A glenosphere includes a body and a flange. The body includes a first body surface and a spherical second body surface, and includes an engagement feature to engage with an attachment structure attachable to a bone. The flange extends radially outward from the body and includes a first flange surface contiguous with a first body surface and a second flange surface contiguous with the second body surface. The flange has a flange length extending from a first end and a second end such that an angle defined by a first line from a center of the body to the first end and a second line from the center of the body to the second end is less than 180 degrees.
In some implementations, apparatuses and methods are provided herein useful to reamer assemblies. In some implementations, a reamer assembly comprises a housing forming a channel extending therethrough and defining a longitudinal axis, a drive shaft at least partially positioned in the channel and configured to rotate about a first axis of rotation, a reamer configured to be removably coupled to the housing such that the drive shaft (i) engages the reamer and (ii) is configured to cause the reamer to rotate about a second axis of rotation that is different than the first axis of rotation, and a boss drill configured to be removably coupled to the drive shaft such that the drive shaft is configured to cause the boss drill to rotate about the first axis of rotation.
A prosthetic device includes a baseplate with a peripheral bore, a central screw extending from a bone-contacting surface of the baseplate, and a peg having an osteogenic coating. The peg is able to couple to the peripheral bore and extend a first length beyond the bone-contacting surface of the baseplate and into a hole formed within a bone. The depth of the hole in the bone is greater than the first length.
A humeral component of a prosthetic assembly that is used in repairing or reconstructing a joint between a humerus and a scapula that includes a stemless portion and a liner portion. The liner portion is attached to the stemless portion and adapted to receive a ball portion of a cooperating “reverse” type glenoid component.
A surgical tool including a socket having a housing and an aperture within the housing, the socket configured to receive a ball and a pin at least partially in the aperture. The ball is positioned at least partially in the socket and configured to rotate within the socket, the ball comprising an elongated opening extending through the ball. The pin is coupled to the socket and disposed at least partially in the socket on opposite sides of the socket, the pin including a first longitudinal axis and extending through the elongated opening of the ball between opposite sides of the socket. The ball is configured to partially rotate about the first longitudinal axis of the pin, and partially rotate, about a second axis perpendicular to the first longitudinal axis of the pin, in a plane aligned with the elongated opening.
F16D 3/221 - Joints universels dans lesquels la flexibilité est réalisée par pivots ou organes de liaisons coulissants ou roulants une des pièces d'accouplement pénétrant dans un manchon de l'autre pièce d'accouplement et reliée à celle-ci par des organes coulissants ou tournants les organes tournants étant des billes, des rouleaux ou des éléments analogues, guidés dans des gorges ou des logements dans chacune des parties de l'accouplement les organes tournants étants placés dans des logements ménagés dans une des pièces d'accouplement
A61B 17/00 - Instruments, dispositifs ou procédés chirurgicaux
A61B 17/16 - Instruments pour réaliser une ostéoclasieForets ou ciseaux pour osTrépans
A61B 17/88 - Moyens ou procédés pour implanter ou pour extraire des dispositifs de fixation interne
F16D 3/205 - Joints universels dans lesquels la flexibilité est réalisée par pivots ou organes de liaisons coulissants ou roulants une des pièces d'accouplement pénétrant dans un manchon de l'autre pièce d'accouplement et reliée à celle-ci par des organes coulissants ou tournants une pièce d'accouplement présentant des broches orientées radialement, p. ex. joints à tripode les broches étant orientées radialement vers l'extérieur de la pièce d'accouplement
6.
ADJUSTABLE SURGICAL GUIDE, VIRTUAL PLANNING, AND SURGICAL NAVIGATION OF SAME
The technical solutions described herein are systems and methods for adjustable surgical guides, virtual planning, and surgical navigation. The system can process preoperative image data of a glenoid, generate a virtual representation of the glenoid face, and maintain a virtual model of a surgical guide. The system can present the virtual representation and the surgical guide in a user interface, determine version and inclination angles for the surgical guide, and adjust the surgical guide's position or orientation. The system can assess virtual plan data, communicate the data to a surgical system, translate the data into movement commands, and execute the movement commands for drilling. The system can access an intraoperative image of the glenoid face, identify the position of a drilling instrument, generate an image to determine the spatial relationship between the instrument and the virtual representation, and present a dynamic visual indicator to guide drilling.
A surgical guide includes a base and a drill guide coupled to the base. The drill guide includes a drill guide body defining a drill bore for receiving a drill bit and extending through the drill guide, the drill guide being configured to translate relative the base to adjust a drill guide angle defined by the drill bore and the base, the drill guide further being configured to transition between a locked state and an unlocked state, wherein the drill guide angle is fixed in the locked state and the drill guide angle is adjustable in the unlocked state.
A glenoid implant includes a body, a plurality of fins, a collet, and a plug. The body has a central aperture therethrough and a plurality of slots. Each of the plurality of fins are coupled with a respective one of the plurality of slots of the boss of the body such that each of the plurality of fins is configured to move from a first generally inward position towards a second generally outward position. The collet including an interior threaded bore and a plurality of deflectable arms. The plug includes a threaded portion and a tip portion configured to engage with and cause the plurality of deflectable arms of the collet to move and cause the plurality of fins to move from the first generally inward position towards the second generally outward position, thereby aiding in securing the body to a scapula of a patient.
The present disclosure is a femoral preparation guide and a kit of surgical components related to the femoral preparation guide. The femoral preparation guide is for use on a condyle of a femur during a surgical procedure in which the condyle receives a femoral condylar implant. The femoral preparation guide includes a posterior portion for fitting over a posterior region of the condyle and a distal portion for fitting over a distal region of the condyle. The distal portion is at an angle relative to the posterior portion. The distal portion includes first and second resections slots for receiving cutting tools that provide two resections of the condyle. The first and second resections slots being at angles relative to each other.
A medical implant which comprises a porous lattice is fabricated with additive manufacturing techniques such as direct metal laser sintering. A CAD model of the porous lattice is created by defining a trimming volume and merging some lattice elements with adjacent solid substrate.
A shoulder implant system includes a humeral stem implant, a humeral neck implant component, a humeral head implant component, and a glenoid implant. The humeral stem implant has a fin coupled to an exterior surface thereof that is inwardly tapered at an angle relative to vertical. At least a portion of the fin forms a wedge that directly engages and compacts cancellous bone during installation of the humeral stem implant. The humeral neck implant component is configured to be coupled with the humeral stem implant. The humeral head implant component is configured to be coupled to the humeral stem implant via the humeral neck implant component. The glenoid implant has a plurality of peripheral pegs. Each of the peripheral pegs has a plurality of sets of resilient lobes.
In some embodiments, apparatuses and methods are provided herein useful to orthopedic components. In some embodiments, an orthopedic component comprises a stem portion including a proximal end and a distal end, wherein the stem portion is configured to be inserted into a bone, an anatomical portion located at the proximal end of the stem portion, and a plate extending away from the stem portion such that a gap exists between the plate and the stem portion, wherein at least a portion of the plate extends toward the distal end of the stem portion.
An arm retainer for supporting a patient's arm at a desired position on an articulatable support assembly secured to an operating table. The arm retainer includes a rigid arm tray (11) provided with a pair of spaced openings (16) for securement of a disposable arm support liner (10) to the tray. The arm support liner (10) is comprised of a sheet of malleable material (13) with a soft engagement surface (14) for skin contact with the patient and is provided with a predetermined cut configuration for wrapping the malleable liner (10) about the patient's arm for retention of the arm therein. The line (10) has two spaced foldout tabs (17) aligned with the corresponding tray openings (16) for securing the liner to the tray (11) by folding the tabs (17) through respective of the openings (16) and thereafter against the bottom side of the tray.
A surgical guide includes a base and a drill guide coupled to the base. The drill guide includes a drill guide body defining a drill bore for receiving a drill bit and extending through the drill guide, the drill guide being configured to translate relative the base to adjust a drill guide angle defined by the drill bore and the base, the drill guide further being configured to transition between a locked state and an unlocked state, wherein the drill guide angle is fixed in the locked state and the drill guide angle is adjustable in the unlocked state.
An insert component includes an insert body and a cavity defined within the insert body. The insert body includes a first surface, a second surface spaced from the first surface, and a third surface. The second surface cooperates with the first surface to define at least one first channel configured to receive an engagement member. The third surface has a first and second surface end each extending from a perimeter of the first surface. A curved portion of the third surface between the first surface end and the second surface end extends into the insert body. The cavity includes a first cavity opening defined by the first surface. The cavity defines a first cavity region and a second cavity region each coextensive with a third cavity region. The first cavity region and second cavity region each have a cavity diameter greater than a diameter of a plate engagement member.
A modular augment cone system and methods of implanting the modular augment cone system. The system includes a main body cone a first cutout in the cone wall, and including a proximal end, a distal end, and a cone wall extending between the proximal and distal ends. A portion of the cone wall proximal to the first cutout includes an attachment feature. A first augment cone is positionable in the first cutout, the first augment cone including an attachment feature configured to mate with the attachment feature of the cone wall to attach the first augment cone into the first cutout. The main body cone can include a second cutout in the cone wall. In such systems, the modular augment cone system can include a second augment cone configured to mate with an attachment feature of the cone wall to attach the second augment cone into the second cutout.
A surgical tool including a socket having a housing and an aperture within the housing, the socket configured to receive a ball and a pin at least partially in the aperture. The ball is positioned at least partially in the socket and configured to rotate within the socket, the ball comprising an elongated opening extending through the ball. The pin is coupled to the socket and disposed at least partially in the socket on opposite sides of the socket, the pin including a first longitudinal axis and extending through the elongated opening of the ball between opposite sides of the socket. The ball is configured to partially rotate about the first longitudinal axis of the pin, and partially rotate, about a second axis perpendicular to the first longitudinal axis of the pin, in a plane aligned with the elongated opening.
F16D 3/221 - Joints universels dans lesquels la flexibilité est réalisée par pivots ou organes de liaisons coulissants ou roulants une des pièces d'accouplement pénétrant dans un manchon de l'autre pièce d'accouplement et reliée à celle-ci par des organes coulissants ou tournants les organes tournants étant des billes, des rouleaux ou des éléments analogues, guidés dans des gorges ou des logements dans chacune des parties de l'accouplement les organes tournants étants placés dans des logements ménagés dans une des pièces d'accouplement
A61B 17/16 - Instruments pour réaliser une ostéoclasieForets ou ciseaux pour osTrépans
F16D 3/205 - Joints universels dans lesquels la flexibilité est réalisée par pivots ou organes de liaisons coulissants ou roulants une des pièces d'accouplement pénétrant dans un manchon de l'autre pièce d'accouplement et reliée à celle-ci par des organes coulissants ou tournants une pièce d'accouplement présentant des broches orientées radialement, p. ex. joints à tripode les broches étant orientées radialement vers l'extérieur de la pièce d'accouplement
A61B 17/00 - Instruments, dispositifs ou procédés chirurgicaux
A61B 17/88 - Moyens ou procédés pour implanter ou pour extraire des dispositifs de fixation interne
18.
Joint implants having porous structures formed utilizing additive manufacturing and related systems and methods
A medical implant which comprises a porous lattice is fabricated with additive manufacturing techniques such as direct metal laser sintering. A CAD model of the porous lattice is created by defining a trimming volume and merging some lattice elements with adjacent solid substrate.
B22F 10/85 - Acquisition ou traitement des données pour la commande ou la régulation de procédés de fabrication additive
B33Y 50/00 - Acquisition ou traitement de données pour la fabrication additive
G06F 30/17 - Conception mécanique paramétrique ou variationnelle
B22F 5/10 - Fabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser d'articles avec des cavités ou des trous, non prévue dans les sous-groupes précédents
19.
Shoulder arthroplasty systems and configurations for components thereof
Shoulder arthroplasty systems and configurations for components thereof are described. For example, implant systems for a total should arthroplasty (TSA), hemi shoulder arthroplasty, and reverse should arthroplasty (RSA) are described. In addition, exemplary configurations for baseplates, glenoid components, glenosphere components, humeral components, humeral head components, humerosocket components, connectors, and adaptors, are described.
A device for separating a hard acetabular liner (e.g., metal, ceramic, etc.) positioned in an acetabular shell, the device including an elongated member having a proximal and distal end, an engagement structure positioned at the proximal end of the elongated member. The engagement structure includes a first portion having a curved outer surface, a first end-face aligned substantially perpendicular to the longitudinal axis of the device, and an inner surface extending from the first end-face, the first portion structured to fit at least partially into a scallop-shaped recess on a peripheral top surface of the acetabular shell, and further includes a second portion separated from the first portion by an opening, structured to accept the top surface of the acetabular liner, and including an outer surface extending a second length from the proximal end of the elongated member, structured to contact the top surface of the acetabular shell.
A glenoid implant includes a body, a plurality of fins, a collet, and a plug. The body has a central aperture therethrough and a plurality of slots. Each of the plurality of fins are coupled with a respective one of the plurality of slots of the boss of the body such that each of the plurality of fins is configured to move from a first generally inward position towards a second generally outward position. The collet including an interior threaded bore and a plurality of deflectable arms. The plug includes a threaded portion and a tip portion configured to engage with and cause the plurality of deflectable arms of the collet to move and cause the plurality of fins to move from the first generally inward position towards the second generally outward position, thereby aiding in securing the body to a scapula of a patient.
An implant assembly device configured to press an inner femoral head into a plastic outer femoral head by means of actuator system. The actuator system embodies a unique pawl system that acts to reduce the occurrence and severity of device jamming due to over compression. The device includes a unique head support apparatus that aligns and orients the inner and outer femoral heads prior to and throughout the assembly process. The device can also include a grip portion integrated onto the body of the device, for holding and stabilizing the device when in use.
G05G 1/08 - Organes de commande actionnés à la main par un mouvement de rotation, p. ex. volants
A01K 89/01 - Moulinets pour la pêche à la ligne à enrouleur de fil "pick-up", c.-à-d. avec l'élément de guidage du fil tournant et la bobine fixe pendant la récupération normale du fil
An implant assembly device configured to press an inner femoral head into a plastic outer femoral head by means of actuator system. The actuator system embodies a unique pawl system that acts to reduce the occurrence and severity of device jamming due to over compression. The device includes a unique head support apparatus that aligns and orients the inner and outer femoral heads prior to and throughout the assembly process. The device can also include a grip portion integrated onto the body of the device, for holding and stabilizing the device when in use.
A46B 5/02 - Montures de brossesManches faisant corps avec la brosse de formes particulières permettant de les tenir à la main
A46B 9/04 - Position ou disposition des soies par rapport à la surface de la monture, p. ex. inclinées, en rangées, en groupes pour les brosses à dents
An implant trial head includes a distal end, a proximal end including an opening in an exterior surface, and a cavity extending from the opening into the implant trial head. The cavity includes an asymmetric groove in an interior wall of the cavity, the groove aligned substantially perpendicular to a longitudinal axis of the implant trial head, and a cross-sectional diameter of the asymmetric groove. The implant trial head includes an O-ring positioned in the asymmetric groove.
Retractor holding frames and related methods are provided. The frame includes a support body including a first bore extending transversely from a first side of the support body to a second side of the support body opposite the first side, and a second bore extending transversely from the second side to the first side. The frame includes a left support frame arm including a first annular hub configured to be disposed within the first bore and a first plurality of posts disposed along an outer edge of the left support frame arm configured to retain a first retractor in a first orientation. The frame includes a right support frame arm including a second annular hub configured to be disposed within the second bore and a second plurality of posts disposed along an outer edge of the right support frame arm configured to retain a second retractor in a second orientation.
A glenoid implant system includes an anchoring structure and a glenoid liner. The anchoring structure includes a base, a wall, and a ledge. The wall extends from a first surface of the base. The ledge extends generally along at least a portion of a first side of the wall, thereby forming an undercut. The wall has a slot formed in a second opposing side of the wall. The glenoid liner is configured to be removably coupled to the anchoring structure. The glenoid liner has a cap portion, a main body, and a deflectable finger. The main body extends from the cap portion and includes a lip configured to engage the undercut of the anchoring structure. The deflectable finger extends from the cap portion. The deflectable finger has a protrusion configured to engage the slot of the anchoring structure to aid in securing the glenoid liner to the anchoring structure.
A glenoid implant includes a body, a plurality of fins, a collet, and a plug. The body has a central aperture therethrough and a plurality of slots. Each of the plurality of fins are coupled with a respective one of the plurality of slots of the boss of the body such that each of the plurality of fins is configured to move from a first generally inward position towards a second generally outward position. The collet including an interior threaded bore and a plurality of deflectable arms. The plug includes a threaded portion and a tip portion configured to engage with and cause the plurality of deflectable arms of the collet to move and cause the plurality of fins to move from the first generally inward position towards the second generally outward position, thereby aiding in securing the body to a scapula of a patient.
A knee replacement prosthesis includes a distal femoral implant, including a femoral head portion, including an outer arcuate surface, and interior posterior surface, an interior distal surface disposed at a first angle with respect to the interior posterior surface, and a first interior intermediate surface joining the interior posterior surface and the interior distal surface and being disposed at a second angle with respect to the interior posterior surface and at a third angle with respect to the interior distal surface. The distal femoral implant includes stackable femoral spacers secured to at least one of the interior posterior surface and the interior distal surface, thereby adjusting an aggregate spacing between the interior posterior surface and/or the interior distal surface and a resected surface of a distal femur of the patient. A tibial implant is also provided. Related methods of use of either implant or both are also provided.
A glenoid implant system includes an anchoring structure and a glenoid liner. The anchoring structure includes a base, a wall, and a ledge. The wall extends from a first surface of the base. The ledge extends generally along at least a portion of a first side of the wall, thereby forming an undercut. The wall has a slot formed in a second opposing side of the wall. The glenoid liner is configured to be removably coupled to the anchoring structure. The glenoid liner has a cap portion, a main body, and a deflectable finger. The main body extends from the cap portion and includes a lip configured to engage the undercut of the anchoring structure. The deflectable finger extends from the cap portion. The deflectable finger has a protrusion configured to engage the slot of the anchoring structure to aid in securing the glenoid liner to the anchoring structure.
A glenoid implant includes a base element, a coupling element, and an augment. The base element has a central aperture, a second aperture, and a wedge element. The coupling element has a first portion and a second portion. The first portion has a first plurality of apertures and the second portion has a central aperture aligned with the central aperture of the base element. The augment is received within a receiving space of the coupling element. The augment has a second plurality of apertures, each of which is aligned with each of the first plurality of apertures to receive respective second fastening elements. The coupling element and the augment are configured to rotate about an axis of the base element such that the coupling element and the augment are movable relative to the base element.
An acetabular liner having a closed first end, an open second end, and a liner wall having a distal peripheral edge. The acetabular liner wall can include an interior surface, an exterior surface configured to be received within an acetabular shell, a first cutout through the liner wall, a second cutout parallel to the first cutout and through the liner wall, and a third cutout in the interior surface partially through the liner wall, the third cutout extending between the first and second cutouts, and at least one movable tab extending from the peripheral edge inwardly towards an axial center of the liner and having sidewalls defined by one of the sets of cutouts, the tab comprising at least one projection on an exterior surface of the tab configured to removably secure to a portion of an acetabular shell.
Hip implant systems described herein can include a distal stem, a proximal body, and a fastener. In some embodiments, the distal stem can include a cavity configured to receive the fastener when a portion of the distal stem is positioned within the proximal body. In some embodiments, the distal stem can include a threaded exterior surface configured to mate with a fastener when a portion of the distal stem is positioned within the proximal body. In some embodiments, a distal end of the distal stem can include an anterior relief configured to conform to interior surface of a femoral canal of a patient.
A humeral implant is provided. The implant includes a humeral stem including a plurality of fins. At least one fin comprises a serrated bottom edge. A radial distance between an inner bottom edge of the at least one fin and a centerline of the humeral implant increases along a distal length of extension of the at least one fin. At least the serrated bottom edge of the at least one fin is configured to cut into and compact bone of the metaphysis of a humerus toward relatively denser cancellous bone of a peripheral portion of the humerus when press-fit therein, thereby providing sufficient press-fitting for cementless fixation of the humeral stem into the humerus. Related kits and methods are also provided.
A medical implant which comprises a porous lattice is fabricated with additive manufacturing techniques such as direct metal laser sintering. A CAD model of the porous lattice is created by defining a trimming volume and merging some lattice elements with adjacent solid substrate.
B33Y 50/00 - Acquisition ou traitement de données pour la fabrication additive
G06F 30/17 - Conception mécanique paramétrique ou variationnelle
B22F 5/10 - Fabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser d'articles avec des cavités ou des trous, non prévue dans les sous-groupes précédents
A trial implant is provided. The implant includes a central portion. The central portion includes a top articulating surface extending between a first end and a second end and having a convex shape, a bottom surface configured to at least partially contact a first resected surface of a bone, and a first side surface extending between the top articulating surface and the bottom surface. The first side surface is sloped such that a width of the top articulating surface is greater than a width of the bottom surface. The implant further includes a first outer portion extending laterally from the central portion. The first side surface and the first outer portion are separated by a first opening shaped such that up to four resected surfaces of the bone are visible when the trial implant is seated on the bone.
A61F 2/46 - Outils particuliers pour l'implantation des articulations artificielles
A61F 2/42 - Articulations pour les poignets ou les chevillesArticulations pour les mains, p. ex. pour les doigtsArticulations pour les pieds, p. ex. pour les orteils
A61B 17/17 - Dispositifs de guidage pour les forets
Retractor holding frames and related methods are provided. The frame includes a support body including a first bore extending transversely from a first side of the support body to a second side of the support body opposite the first side, and a second bore extending transversely from the second side to the first side. The frame includes a left support frame arm including a first annular hub configured to be disposed within the first bore and a first plurality of posts disposed along an outer edge of the left support frame arm configured to retain a first retractor in a first orientation. The frame includes a right support frame arm including a second annular hub configured to be disposed within the second bore and a second plurality of posts disposed along an outer edge of the right support frame arm configured to retain a second retractor in a second orientation.
An acetabular cup assembly for use with liners is described. The acetabular cup assembly includes a cup and a liner. The cup has an outer surface, a generally concave inner surface and a top face. The inner surface includes a cylindrical band having a plurality of inward-facing recessed scallops, a tapered wall adjacent to the band, and an inner spherical surface adjacent the tapered wall. The inner spherical surface has a substantially uniform radius of curvature. A single groove interrupts the spherical surface. The liner has a substantially convex outer surface and includes a rim and a plurality of outward-projecting scallops adjacent the rim. The scallops of the liner are configured to engage the scallops of the cup when the liner is seated in the cup. Related methods of use are also provided.
The present disclosure is a femoral preparation guide and a kit of surgical components related to the femoral preparation guide. The femoral preparation guide is for use on a condyle of a femur during a surgical procedure in which the condyle receives a femoral condylar implant. The femoral preparation guide includes a posterior portion for fitting over a posterior region of the condyle and a distal portion for fitting over a distal region of the condyle. The distal portion is at an angle relative to the posterior portion. The distal portion includes first and second resections slots for receiving cutting tools that provide two resections of the condyle. The first and second resections slots being at angles relative to each other.
A modular augment cone system and methods of implanting the modular augment cone system. The system includes a main body cone a first cutout in the cone wall, and including a proximal end, a distal end, and a cone wall extending between the proximal and distal ends. A portion of the cone wall proximal to the first cutout includes an attachment feature. A first augment cone is positionable in the first cutout, the first augment cone including an attachment feature configured to mate with the attachment feature of the cone wall to attach the first augment cone into the first cutout. The main body cone can include a second cutout in the cone wall. In such systems, the modular augment cone system can include a second augment cone configured to mate with an attachment feature of the cone wall to attach the second augment cone into the second cutout.
Shoulder arthroplasty systems and configurations for components thereof are described. For example, implant systems for a total should arthroplasty (TSA), hemi shoulder arthroplasty, and reverse should arthroplasty (RSA) are described. In addition, exemplary configurations for baseplates, glenoid components, glenosphere components, humeral components, humeral head components, humerosocket components, connectors, and adaptors, are described.
A glenosphere includes a body and a flange. The body includes a first body surface and a spherical second body surface, and includes an engagement feature to engage with an attachment structure attachable to a bone. The flange extends radially outward from the body and includes a first flange surface contiguous with a first body surface and a second flange surface contiguous with the second body surface. The flange has a flange length extending from a first end and a second end such that an angle defined by a first line from a center of the body to the first end and a second line from the center of the body to the second end is less than 180 degrees.
A humeral prosthetic head has a non-spherical articulation surface coupled with an intermediate component connecting the head and the humerus, the intermediate component connected to the epiphysis, metaphysis, or diaphysis, or to one or more additional components connected to the humerus. The intermediate portion provides for axial and angular offset of the head with respect to a connection to the humerus, using a curvilinear tapered engagement.
An arm retainer for supporting a patient's arm at a desired position on an articulatable support assembly secured to an operating table. The arm retainer includes a rigid arm tray (11) provided with a pair of spaced openings (16) for securement of a disposable arm support liner (10) to the tray. The arm support liner (10) is comprised of a sheet of malleable material (13) with a soft engagement surface (14) for skin contact with the patient and is provided with a predetermined cut configuration for wrapping the malleable liner (10) about the patient's arm for retention of the arm therein. The line (10) has two spaced foldout tabs (17) aligned with the corresponding tray openings (16) for securing the liner to the tray (11) by folding the tabs (17) through respective of the openings (16) and thereafter against the bottom side of the tray.
An elbow prosthesis according to the present teachings can include a stem structure and an articulating component. The stem structure can be operable to be positioned in a bone of a joint. The stem structure can include a stem portion that is operable to be positioned in the bone and a C-shaped body portion having a first retaining mechanism formed thereon. The articulating component can have a second retaining mechanism formed thereon. One of the first and second retaining mechanisms can comprise an extension portion and a first anti-rotation portion. The other retaining mechanism can comprise a receiving portion and a second anti-rotation portion. The articulating component can be advanced from an insertion position to an assembled position, such that the first and second mechanisms cooperatively interlock to inhibit translation and rotation of the articulating component relative to the C-shaped body portion of the stem structure.
An acetabular liner having a closed first end, an open second end, and a liner wall having a distal peripheral edge. The acetabular liner wall can include an interior surface, an exterior surface configured to be received within an acetabular shell, a first cutout through the liner wall, a second cutout parallel to the first cutout and through the liner wall, and a third cutout in the interior surface partially through the liner wall, the third cutout extending between the first and second cutouts, and at least one movable tab extending from the peripheral edge inwardly towards an axial center of the liner and having sidewalls defined by one of the sets of cutouts, the tab comprising at least one projection on an exterior surface of the tab configured to removably secure to a portion of an acetabular shell.
A surgical tool including a socket having a housing and an aperture within the housing, the socket configured to receive a ball and a pin at least partially in the aperture. The ball is positioned at least partially in the socket and configured to rotate within the socket, the ball comprising an elongated opening extending through the ball. The pin is coupled to the socket and disposed at least partially in the socket on opposite sides of the socket, the pin including a first longitudinal axis and extending through the elongated opening of the ball between opposite sides of the socket. The ball is configured to partially rotate about the first longitudinal axis of the pin, and partially rotate, about a second axis perpendicular to the first longitudinal axis of the pin, in a plane aligned with the elongated opening.
F16D 3/22 - Joints universels dans lesquels la flexibilité est réalisée par pivots ou organes de liaisons coulissants ou roulants une des pièces d'accouplement pénétrant dans un manchon de l'autre pièce d'accouplement et reliée à celle-ci par des organes coulissants ou tournants les organes tournants étant des billes, des rouleaux ou des éléments analogues, guidés dans des gorges ou des logements dans chacune des parties de l'accouplement
F16D 3/221 - Joints universels dans lesquels la flexibilité est réalisée par pivots ou organes de liaisons coulissants ou roulants une des pièces d'accouplement pénétrant dans un manchon de l'autre pièce d'accouplement et reliée à celle-ci par des organes coulissants ou tournants les organes tournants étant des billes, des rouleaux ou des éléments analogues, guidés dans des gorges ou des logements dans chacune des parties de l'accouplement les organes tournants étants placés dans des logements ménagés dans une des pièces d'accouplement
F16D 3/205 - Joints universels dans lesquels la flexibilité est réalisée par pivots ou organes de liaisons coulissants ou roulants une des pièces d'accouplement pénétrant dans un manchon de l'autre pièce d'accouplement et reliée à celle-ci par des organes coulissants ou tournants une pièce d'accouplement présentant des broches orientées radialement, p. ex. joints à tripode les broches étant orientées radialement vers l'extérieur de la pièce d'accouplement
A61B 17/00 - Instruments, dispositifs ou procédés chirurgicaux
47.
Glenosphere with inserts for augmented fixation and related methods
An insert component includes an insert body and a cavity defined within the insert body. The insert body includes a first surface, a second surface spaced from the first surface, and a third surface. The second surface cooperates with the first surface to define at least one first channel configured to receive an engagement member. The third surface has a first and second surface end each extending from a perimeter of the first surface. A curved portion of the third surface between the first surface end and the second surface end extends into the insert body. The cavity includes a first cavity opening defined by the first surface. The cavity defines a first cavity region and a second cavity region each coextensive with a third cavity region. The first cavity region and second cavity region each have a cavity diameter greater than a diameter of a plate engagement member.
A container for bone cement includes a first member defining a chamber, which contains a first ingredient. The chamber also includes a second member movably coupled to the first member. The second member includes a mixing device that is movably disposed within the first chamber, and the second member defines a second chamber containing a second ingredient. The container additional includes an opening device that selectively opens the second chamber and allows the second ingredient to enter from the second chamber into the first chamber. The mixing device is movable within the first chamber to promote mixing of the first ingredient and the second ingredient to prepare the bone cement. A corresponding method of preparing bone cement is also disclosed.
A shoulder implant system includes a humeral stem implant, a humeral neck implant component, a humeral head implant component, and a glenoid implant. The humeral stem implant has a fin coupled to an exterior surface thereof that is inwardly tapered at an angle relative to vertical. At least a portion of the fin forms a wedge that directly engages and compacts cancellous bone during installation of the humeral stem implant. The humeral neck implant component is configured to be coupled with the humeral stem implant. The humeral head implant component is configured to be coupled to the humeral stem implant via the humeral neck implant component. The glenoid implant has a plurality of peripheral pegs. Each of the peripheral pegs has a plurality of sets of resilient lobes.
An elbow prosthesis constructed in accordance to one example of the present teachings can include a capitellar implant having an articulating head and a stem. The articulating head can have a first articulating surface positioned generally between a lateral side and a medial side. A passage can extend through the articulating head from the lateral side to the medial side. The articulating head can define a counterbore formed at the lateral side and that is concentric with the passage. According to other features, the elbow prosthesis can include a coronoid implant that has a body and a stem. The body can have a superior articulating surface that includes a central ridge and an anterior buttress. The central ridge can be configured to accommodate articulation with a trochlea in an implanted position.
A joint prosthesis is provided and may include first and second stem structures and first and second bearing members. The first stem structure may include a generally U-shaped portion having first and second legs. The second stem structure may include first and second bearing surfaces. The first bearing member may be removably coupled to the first leg and may include a first laterally facing bearing surface rotatably contacting the first bearing surface. The second bearing member may be removably coupled to the second leg and may include a second laterally facing bearing surface rotatably contacting the second bearing surface. The first laterally facing bearing surface may be disposed between the first leg and a first lateral side of the second stem. The second laterally facing bearing surface may be disposed between the second leg and a second lateral side of the second stem. The second lateral side may oppose the first lateral side.
A glenosphere includes a body and a flange. The body includes a first body surface and a spherical second body surface, and includes an engagement feature to engage with an attachment structure attachable to a bone. The flange extends radially outward from the body and includes a first flange surface contiguous with a first body surface and a second flange surface contiguous with the second body surface. The flange has a flange length extending from a first end and a second end such that an angle defined by a first line from a center of the body to the first end and a second line from the center of the body to the second end is less than 180 degrees.
In one embodiment, a surgical guide structure configured for placement on a resected bone surface includes a body with at least one aperture and an opening. The at least one aperture extends through the body and is sized for placement of a hole formation instrument therethrough. Additionally, the at least one aperture is defined by an inner wall that includes a first portion having a first slope and a second portion having a second slope different from the first slope so that a cross-section of the aperture varies over its depth. The opening is sized and positioned so that when the surgical guide structure is positioned on a first resected surface of a bone, the first resected surface and a second resected surface of the bone are visible through the opening.
A61B 17/17 - Dispositifs de guidage pour les forets
A61F 2/46 - Outils particuliers pour l'implantation des articulations artificielles
A61F 2/42 - Articulations pour les poignets ou les chevillesArticulations pour les mains, p. ex. pour les doigtsArticulations pour les pieds, p. ex. pour les orteils
A glenosphere includes a body, a first surface, and a cavity defined with the body. The body defines a center and an engagement axis, the engagement axis spaced by an offset from the center. The first surface includes a first rim positioned radially outward from a second rim, a base surface portion, and a hood surface portion extending from the base surface portion and oriented at an obtuse angle relative to the base surface portion. The body defines a hood portion extending from the hood surface portion to a plane including the base surface portion. The cavity has a perimeter defined by the second rim, and includes a first cavity portion configured to receive an attachment structure attachable to a bone, and a second cavity portion configured to engage an engagement member of the attachment structure and oriented along the engagement axis.
An elbow prosthesis includes a capitellar implant having an articulating head and a stem. The articulating head includes a first passage along a first axis, a second passage along a second axis, and a receiving groove. The stem includes a proximal end and a connecting end. The connecting end includes a curved body having a bore. The curved body selectively mates with the receiving groove such that the bore axially aligns with the first axis of the first passage in an assembled position for collectively receiving a securing member. The second axis is located between the first axis and the proximal end of the stem.
The present disclosure includes, in one embodiment, a talar component of an ankle joint prosthesis for engagement with a talus bone having a medial side wall and a lateral side wall, opposite the medial side wall, each side wall terminating at a distal edge, and the distal edges adapted to drive into the talus bone. When implanted, the side walls may form a seal between the talus bone and the component to prevent fluid from flowing under the component.
A61F 2/42 - Articulations pour les poignets ou les chevillesArticulations pour les mains, p. ex. pour les doigtsArticulations pour les pieds, p. ex. pour les orteils
A container for bone cement includes a first member defining a chamber, which contains a first ingredient. The chamber also includes a second member movably coupled to the first member. The second member includes a mixing device that is movably disposed within the first chamber, and the second member defines a second chamber containing a second ingredient. The container additional includes an opening device that selectively opens the second chamber and allows the second ingredient to enter from the second chamber into the first chamber. The mixing device is movable within the first chamber to promote mixing of the first ingredient and the second ingredient to prepare the bone cement. A corresponding method of preparing bone cement is also disclosed.
A tissue resection guide for use with a datum includes a base releasably engagable with the datum. The tissue resection guide has a first frame fixed relative to the base and the first frame has at least one integral first guide path that is sized and configured to at least partially capture and guide a first tissue resection tool relative to the first frame.
A61B 5/107 - Mesure de dimensions corporelles, p. ex. la taille du corps entier ou de parties de celui-ci
A61F 2/42 - Articulations pour les poignets ou les chevillesArticulations pour les mains, p. ex. pour les doigtsArticulations pour les pieds, p. ex. pour les orteils
A61B 17/17 - Dispositifs de guidage pour les forets
A61B 17/02 - Instruments, dispositifs ou procédés chirurgicaux pour maintenir les blessures ouvertes, p. ex. rétracteursÉcarteurs
A61B 17/16 - Instruments pour réaliser une ostéoclasieForets ou ciseaux pour osTrépans
A61F 2/46 - Outils particuliers pour l'implantation des articulations artificielles
Hip implant systems described herein can include a distal stem, a proximal body, and a fastener. In some embodiments, the distal stem can include a cavity configured to receive the fastener when a portion of the distal stem is positioned within the proximal body. In some embodiments, the distal stem can include a threaded exterior surface configured to mate with a fastener when a portion of the distal stem is positioned within the proximal body. In some embodiments, a distal end of the distal stem can include an anterior relief configured to conform to interior surface of a femoral canal of a patient.
A shoulder implant system includes a humeral stem implant, a humeral neck implant component, a humeral head implant component, and a glenoid implant. The humeral stem implant has a fin coupled to an exterior surface thereof that is inwardly tapered at an angle relative to vertical. At least a portion of the fin forms a wedge that directly engages and compacts cancellous bone during installation of the humeral stem implant. The humeral neck implant component is configured to be coupled with the humeral stem implant. The humeral head implant component is configured to be coupled to the humeral stem implant via the humeral neck implant component. The glenoid implant has a plurality of peripheral pegs. Each of the peripheral pegs has a plurality of sets of resilient lobes.
Various embodiments of the present invention provide systems and methods for treating a proximal humeral fracture. A system according to one embodiment includes a longitudinal member configured to be received within the humeral shaft. The system includes a jig assembly configured to be coupled to the longitudinal member, wherein the jig assembly includes at least one hole defined therethrough that is configured to guide placement of at least one hole in the humeral shaft, and wherein the hole formed in the humeral shaft is configured to align with at least one hole in the humeral implant such that the jig assembly is configured to locate the position of the humeral implant in the humeral shaft.
Embodiments of this application relate to the use of porous coating implants to repair soft tissue injuries. Implant frames are coated with a porous coating, such as a titanium porous coating, for example, on both the bone-facing and the soft tissue-facing sides of the implant. The implant may then be sandwiched between the bone and soft tissue so that the bone grows into one side, and the soft tissue grows into the other side.
A61B 17/04 - Instruments, dispositifs ou procédés chirurgicaux pour refermer les plaies ou les maintenir ferméesAccessoires utilisés en liaison avec ces opérations pour la suture des plaiesSupports ou emballages pour aiguilles ou matériaux de suture
A glenosphere includes a body, a first surface, and a cavity defined with the body. The body defines a center and an engagement axis, the engagement axis spaced by an offset from the center. The first surface includes a first rim positioned radially outward from a second rim, a base surface portion, and a hood surface portion extending from the base surface portion and oriented at an obtuse angle relative to the base surface portion. The body defines a hood portion extending from the hood surface portion to a plane including the base surface portion. The cavity has a perimeter defined by the second rim, and includes a first cavity portion configured to receive an attachment structure attachable to a bone, and a second cavity portion configured to engage an engagement member of the attachment structure and oriented along the engagement axis.
An elbow prosthesis according to the present teachings can include a stem structure and an articulating component. The stem structure can be operable to be positioned in a bone of a joint. The stem structure can include a stem portion that is operable to be positioned in the bone and a C-shaped body portion having a first retaining mechanism formed thereon. The articulating component can have a second retaining mechanism formed thereon. One of the first and second retaining mechanisms can comprise an extension portion and a first anti-rotation portion. The other retaining mechanism can comprise a receiving portion and a second anti-rotation portion. The articulating component can be advanced from an insertion position to an assembled position, such that the first and second mechanisms cooperatively interlock to inhibit translation and rotation of the articulating component relative to the C-shaped body portion of the stem structure.
A glenosphere includes a body, a first surface, a second surface, a cavity defined within the body, and a plurality of channels. The body defines a central axis passing through the body. The first surface includes a first rim and a second rim. The first rim is positioned radially outward from the second rim relative to the central axis. The second surface extends from the first rim of the first surface. The second surface has a convex shape. The cavity has a perimeter defined by the second rim and is configured to receive an attachment structure attachable to a bone. The plurality of channels extend from the first surface through the body to the second surface. Each channel defines a first opening positioned on the first surface between the first rim and the second rim and defines a second opening positioned on the second surface. Each channel is configured to receive a bone fixation member configured to secure the glenosphere to the bone.
A glenosphere includes a body and a flange. The body includes a first body surface and a spherical second body surface, and includes an engagement feature to engage with an attachment structure attachable to a bone. The flange extends radially outward from the body and includes a first flange surface contiguous with a first body surface and a second flange surface contiguous with the second body surface. The flange has a flange length extending from a first end and a second end such that an angle defined by a first line from a center of the body to the first end and a second line from the center of the body to the second end is less than 180 degrees.
An elbow prosthesis constructed in accordance to one example of the present teachings can include a capitellar implant having an articulating head and a stem. The articulating head can have a first articulating surface positioned generally between a lateral side and a medial side. A passage can extend through the articulating head from the lateral side to the medial side. The articulating head can define a counterbore formed at the lateral side and that is concentric with the passage. According to other features, the elbow prosthesis can include a coronoid implant that has a body and a stem. The body can have a superior articulating surface that includes a central ridge and an anterior buttress. The central ridge can be configured to accommodate articulation with a trochlea in an implanted position.
A humeral prosthetic head has a non-spherical articulation surface coupled with an intermediate component connecting the head and the humerus, the intermediate component connected to the epiphysis, metaphysis, or diaphysis, or to one or more additional components connected to the humerus. The intermediate portion provides for axial and angular offset of the head with respect to a connection to the humerus, using a curvilinear tapered engagement.
Shoulder arthroplasty systems and configurations for components thereof are described. For example, implant systems for a total should arthroplasty (TSA), hemi shoulder arthroplasty, and reverse should arthroplasty (RSA) are described. In addition, exemplary configurations for baseplates, glenoid components, glenosphere components, humeral components, humeral head components, humerosocket components, connectors, and adaptors, are described.
A container for bone cement includes a first member defining a chamber, which contains a first ingredient. The chamber also includes a second member movably coupled to the first member. The second member includes a mixing device that is movably disposed within the first chamber, and the second member defines a second chamber containing a second ingredient. The container additional includes an opening device that selectively opens the second chamber and allows the second ingredient to enter from the second chamber into the first chamber. The mixing device is movable within the first chamber to promote mixing of the first ingredient and the second ingredient to prepare the bone cement. A corresponding method of preparing bone cement also disclosed.
Various embodiments of the present invention provide systems and methods for treating a proximal humeral fracture. A system according to one embodiment includes a longitudinal member configured to be received within the humeral shaft. The system includes a jig assembly configured to be coupled to the longitudinal member, wherein the jig assembly includes at least one hole defined therethrough that is configured to guide placement of at least one hole in the humeral shaft, and wherein the hole formed in the humeral shaft is configured to align with at least one hole in the humeral implant such that the jig assembly is configured to locate the position of the humeral implant in the humeral shaft.
An arm retainer for supporting a patient's arm at a desired position on an articulatable support assembly secured to an operating table. The arm retainer includes a rigid arm tray (11) provided with a pair of spaced openings (16) for securement of a disposable arm support liner (10) to the tray. The arm support liner (10) is comprised of a sheet of malleable material (13) with a soft engagement surface (14) for skin contact with the patient and is provided with a predetermined cut configuration for wrapping the malleable liner (10) about the patient's arm for retention of the arm therein. The liner (10) has two spaced foldout tabs (17) aligned with the corresponding tray openings (16) for securing the liner to the tray (11) by folding the tabs (17) through respective of the openings (16) and thereafter against the bottom side (9) of the tray.
An elbow prosthesis includes a capitellar implant having an articulating head and a stem. The articulating head includes a first passage along a first axis, a second passage along a second axis, and a receiving groove. The stem includes a proximal end and a connecting end. The connecting end includes a curved body having a bore. The curved body selectively mates with the receiving groove such that the bore axially aligns with the first axis of the first passage in an assembled position for collectively receiving a securing member. The second axis is located between the first axis and the proximal end of the stem.
A joint prosthesis is provided and may include first and second stem structures and first and second bearing members. The first stem structure may include a generally U-shaped portion having first and second legs. The second stem structure may include first and second bearing surfaces. The first bearing member may be removably coupled to the first leg and may include a first laterally facing bearing surface rotatably contacting the first bearing surface. The second bearing member may be removably coupled to the second leg and may include a second laterally facing bearing surface rotatably contacting the second bearing surface. The first laterally facing bearing surface may be disposed between the first leg and a first lateral side of the second stem. The second laterally facing bearing surface may be disposed between the second leg and a second lateral side of the second stem. The second lateral side may oppose the first lateral side.
A container for bone cement includes a first member defining a chamber, which contains a first ingredient. The chamber also includes a second member movably coupled to the first member. The second member includes a mixing device that is movably disposed within the first chamber, and the second member defines a second chamber containing a second ingredient. The container additional includes an opening device that selectively opens the second chamber and allows the second ingredient to enter from the second chamber into the first chamber. The mixing device is movable within the first chamber to promote mixing of the first ingredient and the second ingredient to prepare the bone cement. A corresponding method of preparing bone cement is also disclosed.
Various embodiments of the present invention provide systems and methods for treating a proximal humeral fracture. A system according to one embodiment includes a longitudinal member configured to be received within the humeral shaft. The system includes a jig assembly configured to be coupled to the longitudinal member, wherein the jig assembly includes at least one hole defined therethrough that is configured to guide placement of at least one hole in the humeral shaft, and wherein the hole formed in the humeral shaft is configured to align with at least one hole in the humeral implant such that the jig assembly is configured to locate the position of the humeral implant in the humeral shaft.
A container for bone cement includes a first member defining a chamber, which contains a first ingredient. The chamber also includes a second member movably coupled to the first member. The second member includes a mixing device that is movably disposed within the first chamber, and the second member defines a second chamber containing a second ingredient. The container additional includes an opening device that selectively opens the second chamber and allows the second ingredient to enter from the second chamber into the first chamber. The mixing device is movable within the first chamber to promote mixing of the first ingredient and the second ingredient to prepare the bone cement. A corresponding method of preparing bone cement is also disclosed.
An elbow prosthesis according to the present teachings can include a stem structure and an articulating component. The stem structure can be operable to be positioned in a bone of a joint. The stem structure can include a stem portion that is operable to be positioned in the bone and a C-shaped body portion having a first retaining mechanism formed thereon. The articulating component can have a second retaining mechanism formed thereon. One of the first and second retaining mechanisms can include an extension portion and a first anti-rotation portion. The other retaining mechanism can include a receiving portion and a second anti-rotation portion. The articulating component can be advanced from an insertion position to an assembled position, such that the first and second mechanisms cooperatively interlock to inhibit translation and rotation of the articulating component relative to the C-shaped body portion of the stem structure.
An elbow prosthesis can include a capitellar implant that has an articulating head and a stem. The articulating head can have a first substantially hemispherical portion and a second portion that collectively extend between lateral and medial sides of the articulating head and are separated by a plane. The first and second portions can generally extend between the lateral and medial sides. The second portion can generally have an attachment lobe that extends on the lateral side and that defines a passage therethrough. The passage can extend at least partially on the second portion.
A method and system for monitoring impaction of a femoral component of a hip prosthesis into a femur in which impaction data generated during the impaction of the femoral component into the femur is received from at least one measurement transducer attached to the femoral component and is normalized by a data acquisition and analysis device. An impaction monitoring metric is calculated based on the normalized impaction data, and femoral component fit and stability data is then generated and output to a user interface based on the impaction monitoring metric.
A61B 17/58 - Instruments ou procédés chirurgicaux pour le traitement des os ou des articulationsDispositifs spécialement adaptés à cet effet pour ostéosynthèse, p. ex. plaques, vis ou matériels de fixation
A61B 17/60 - Instruments ou procédés chirurgicaux pour le traitement des os ou des articulationsDispositifs spécialement adaptés à cet effet pour ostéosynthèse, p. ex. plaques, vis ou matériels de fixation pour l'ostéosynthèse externe, p. ex. appareils étireurs ou constricteurs
A61B 19/00 - Instruments, outillage ou accessoires pour la chirurgie ou le diagnostic non couverts par l'un des groupes A61B 1/00-A61B 18/00, p.ex. pour stéréotaxie, opération aseptique, traitement de la luxation, protecteurs des bords des blessures(masques de protection du visage A41D 13/11; blouses de chirurgien ou vêtements pour malades A41D 13/12; dispositifs pour retirer, traiter ou transporter les liquides du corps A61M 1/00)
A61B 5/103 - Dispositifs de mesure pour le contrôle de la forme, du dessin, de la dimension ou du mouvement du corps ou de parties de celui-ci, à des fins de diagnostic
A61F 2/00 - Filtres implantables dans les vaisseaux sanguinsProthèses, c.-à-d. éléments de substitution ou de remplacement pour des parties du corpsAppareils pour les assujettir au corpsDispositifs maintenant le passage ou évitant l'affaissement de structures corporelles tubulaires, p. ex. stents
An elbow prosthesis constructed in accordance to one example of the present teachings can include a first stem structure that is operable to be positioned in a first bone of a joint. The first stem structure can include a first stem portion and a cage structure. The first stem portion may be operable to be positioned in the first bone. The cage structure can be formed generally between an inner sidewall and an outer surface. The stem portion can have opposing surfaces that define a disconnect formed entirely through the cage structure from the inner sidewall to the outer surface. A first bearing component can have an exterior cage opposing surface. The first bearing component can be selectively inserted into the cage structure from an insertion position to an installed position. A fastener can be threadably advanced into an engaged position with the cage structure to reduce a gap defined between the opposing surfaces of the disconnect while radially contracting the cage structure around the first bearing.
A method and apparatus for replacing a selected portion of the anatomy is described. In particular, a prosthesis can be provided to replace a portion of an articulating joint, such as an elbow. The apparatus can be modular for various reasons and each of the modular portions can include a different dimension to achieve a selected result. For example, the prosthesis can achieve a different size condylar replacement, a selected offset, a selected articulation, or combinations thereof.
An elbow prosthesis constructed in accordance to one example of the present teachings can include a capitellar implant having an articulating head and a stem. The articulating head can have a first articulating surface positioned generally between a lateral side and a medial side. A passage can extend through the articulating head from the lateral side to the medial side. The articulating head can define a counterbore formed at the lateral side and that is concentric with the passage. According to other features, the elbow prosthesis can include a coronoid implant that has a body and a stem. The body can have a superior articulating surface that includes a central ridge and an anterior buttress. The central ridge can be configured to accommodate articulation with a trochlea in an implanted position.
A container for bone cement includes a first member defining a chamber, which contains a first ingredient. The chamber also includes a second member movably coupled to the first member. The second member includes a mixing device that is movably disposed within the first chamber, and the second member defines a second chamber containing a second ingredient. The container additional includes an opening device that selectively opens the second chamber and allows the second ingredient to enter from the second chamber into the first chamber. The mixing device is movable within the first chamber to promote mixing of the first ingredient and the second ingredient to prepare the bone cement. A corresponding method of preparing bone cement is also disclosed.
A shoulder surgery attachment for a surgical table having an articulated leg section with accessory attachment rails on opposite sides. An upright chair back assembly is supported at its base or bottom end thereof for attachment to the accessory attachment rails and the chair back assembly includes a headrest assembly positioned above a back support. The headrest assembly includes a removable neck support and a head fixation assembly. The headrest assembly is adjustably moveable up and down the chair back assembly. The neck support is positioned below the head fixation assembly and protrudes from the front of the headrest assembly for engagement with the back of the patient's neck. The head fixation assembly includes a forward protruding U-shaped forehead clamp having two distal rearwardly extending free ends that are adjustably secured to the headrest assembly whereby the head clamp may be adjusted for engaging the forehead of the patient to clamp the patient's head against the headrest assembly.
A method and apparatus is disclosed for forming a mixed material. For example, two components of a bone cement may be positioned in the apparatus and mixed under vacuum. An increase in pressure on one side of a movable piston can move the material for ease of access and reducing voids in the mixed material.
A method and system for monitoring impaction of a femoral component of a hip prosthesis into a femur in which impaction data generated during the impaction of the femoral component into the femur is received from at least one measurement transducer attached to the femoral component and is normalized by a data acquisition and analysis device. An impaction monitoring metric is calculated based on the normalized impaction data, and femoral component fit and stability data is then generated and output to a user interface based on the impaction monitoring metric.
A61B 17/58 - Instruments ou procédés chirurgicaux pour le traitement des os ou des articulationsDispositifs spécialement adaptés à cet effet pour ostéosynthèse, p. ex. plaques, vis ou matériels de fixation
A61B 17/60 - Instruments ou procédés chirurgicaux pour le traitement des os ou des articulationsDispositifs spécialement adaptés à cet effet pour ostéosynthèse, p. ex. plaques, vis ou matériels de fixation pour l'ostéosynthèse externe, p. ex. appareils étireurs ou constricteurs
A61B 19/00 - Instruments, outillage ou accessoires pour la chirurgie ou le diagnostic non couverts par l'un des groupes A61B 1/00-A61B 18/00, p.ex. pour stéréotaxie, opération aseptique, traitement de la luxation, protecteurs des bords des blessures(masques de protection du visage A41D 13/11; blouses de chirurgien ou vêtements pour malades A41D 13/12; dispositifs pour retirer, traiter ou transporter les liquides du corps A61M 1/00)
A61B 5/103 - Dispositifs de mesure pour le contrôle de la forme, du dessin, de la dimension ou du mouvement du corps ou de parties de celui-ci, à des fins de diagnostic
A61F 2/00 - Filtres implantables dans les vaisseaux sanguinsProthèses, c.-à-d. éléments de substitution ou de remplacement pour des parties du corpsAppareils pour les assujettir au corpsDispositifs maintenant le passage ou évitant l'affaissement de structures corporelles tubulaires, p. ex. stents
A prosthetic joint kit, particularly well suited for an elbow, transmits load through the prosthetic joint through a pair of spherically shaped bearing surfaces so as to transmit load over a relatively large area rather than at a point or over a line of contact. The prosthetic joint kit may be configured in a modular manner wherein a plurality of interchangeable stem structures, bearing structures and/or bearing inserts of various types are available. Construction in this manner enables a surgeon to configure the prosthetic joint to best suit the needs of the patient. For example, the surgeon may employ a modular flange for compressing a bone graft, a tissue fastener for securing soft tissue to a portion of the prosthetic joint, a cam for limiting the amount by which the prosthetic joint articulates or a bearing insert for tailoring the degree of varus/valgus constraint.
A prosthetic joint kit, particularly well suited for an elbow, transmits load through the prosthetic joint through a pair of spherically shaped bearing surfaces so as to transmit load over a relatively large area rather than at a point or over a line of contact. The prosthetic joint kit may be configured in a modular manner wherein a plurality of interchangeable stem structures, bearing structures and/or bearing inserts of various types are available. Construction in this manner enables a surgeon to configure the prosthetic joint to best suit the needs of the patient. For example, the surgeon may employ a modular flange for compressing a bone graft, a tissue fastener for securing soft tissue to a portion of the prosthetic joint, a cam for limiting the amount by which the prosthetic joint articulates or a bearing insert for tailoring the degree of varus/valgus constraint.
The present invention relates to a method for bringing a powder and a liquid component, preferably polymer and monomer, in contact with each other for mixing thereof, preferably to form bone cement, wherein the powder component (P) is placed in a mixing container (1) in which the mixing shall occur and the liquid component (M) in a liquid container (18) from which said the liquid component (M) is transferred to the powder component (P) in the mixing container (1). In this method, a vacuum is generated in the mixing container (1) and the liquid container (18) is opened by means of at least one cannula (14) or similar member through which the liquid component (M) can be brought to flow from the liquid container (18) to the mixing container (1). The vacuum is brought to suck the liquid component (M) from the liquid container (18), through the cannula (14) and into the mixing container (1) to the powder component (P) therein, and/or is the liquid component (M) pressed into the mixing container (1) through the cannula (14) while the liquid container (18) is compressed because of the pressure difference between the vacuum in the interior of the liquid container (18) and the air pressure outside the liquid container. The invention also relates to a device for carrying through the method.
A container for storing a liquid component of bone cement. The container includes a flexible film sealed about its periphery to define a cavity. The cavity has a first layer, a second layer, and a vinyl barrier layer between the first layer and the second layer. The cavity is operable to store the liquid component of bone cement.
A61B 19/02 - Boîtiers ou étuis protecteurs pour appareils ou pour instruments, p.ex. boîtes ou étuis stériles; Tables ou armoires pour instruments; Sacs de docteur
A method and apparatus for replacing a selected portion of the anatomy is described. In particular, a prosthesis can be provided to replace a portion of an articulating joint, such as an elbow. The apparatus can be modular for various reasons and each of the modular portions can include a different dimension to achieve a selected result. For example, the prosthesis can achieve a different size condylar replacement, a selected offset, a selected articulation, or combinations thereof.
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