An insufflation needle include s a hub portion and a shaft portion. The shaft portion extends at least partially into the hub portion and include s an outer lumen and at least one inner lumen. The outer lumen has a diameter between approximately 3. 0 mm and 5. 0 mm and includes at least one aperture at a f irst end of the outer lumen, which is positioned proximal to the hub portion of the needle, and at lea st one aperture at a second end of the outer lumen, which terminates in a needle point. The at lea st one inner lumen ha s a diameter between approximately 0. 8 mm and 2 mm.
A61M 16/10 - Preparation of respiratory gases or vapours
A61M 16/16 - Devices to humidify the respiration air
A61B 90/00 - Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups , e.g. for luxation treatment or for protecting wound edges
2.
METHOD AND SYSTEM FOR INSUFFLATING A BODY CAVITY USING A PERCUTANEOUS NEEDLE
An insufflation needle includes a hub portion and a shaft portion. The shaft portion extends at least partially into the hub portion and includes an outer lumen and at least one inner lumen. The outer lumen has a diameter between approximately 3.0 mm and 5.0 mm and includes at least one aperture at a first end of the outer lumen, which is positioned proximal to the hub portion of the needle, and at least one aperture at a second end of the outer lumen, which terminates in a needle point. The at least one inner lumen has a diameter between approximately 0.8 mm and 2 mm.
A method for supplying insufflation fluid to a patient cavity includes positioning a secondary trocar at least partially within a primary trocar, the secondary trocar being configured to facilitate delivery of insufflation fluid to a patient cavity. The method further includes, upon positioning the secondary trocar at least partially within the primary trocar, coupling the secondary trocar to the primary trocar thereby forming a trocar assembly. The method further includes coupling the primary trocar to a surgical robot and delivering the insufflation fluid to the patient cavity using the trocar assembly.
According to one embodiment, a trocar assembly having a proximal end and a distal end comprises an inner tubular member and an outer tubular member. The inner tubular member is formed with an opening at the proximal end and an opening at the distal end, the openings adapted to provide access for one or more surgical instruments during a surgical procedure. The outer tubular member is disposed about the inner tubular member, the outer tubular member being partitioned into at least a first chamber and a second chamber, wherein: the inner tubular member is separated from the outer tubular member by an inner wall; the first chamber is separated from the second chamber; and the first chamber and the second chamber are defined by the inner wall and an outer wall of the outer tubular member.
A method includes receiving, from a primary pressure sensor, a pressure measurement indicative of a pressure of a patient cavity and controlling, by an insufflator, a supply of the insufflation fluid to the patient cavity based on the pressure measurement from the primary pressure sensor. The method further includes delivering, by a trocar, the supplied insufflation fluid to the patient cavity via an access port, wherein: the access port comprises a seal and a retractor; and the access port facilitates access therethrough to the patient cavity.
A system includes a bypass valve, a first conduit, and a second conduit. The bypass valve includes at least a first channel and a second channel and is configured to permit insufflation fluid to flow along a first flow path when the second channel is closed and permit the insufflation fluid to flow along a second flow path when the first channel is closed. The first conduit is coupled to the bypass valve and is configured to facilitate delivery of the insufflation fluid from an insufflator to the bypass valve. The second conduit is coupled to the first channel of the bypass valve and configured to facilitate delivery of the insufflation fluid from the bypass valve to the patient cavity via a first medical appliance.
According to one embodiment, a method includes positioning a portion of a trocar into a patient cavity and inserting a surgical instrument into the trocar. The method also includes measuring, by a pressure sensor disposed within the trocar, a pressure within the trocar. The measured pressure is indicative of a pressure in the patient cavity. The method also includes supplying, based at least in part on the measured pressure, an insufflation gas to the patient cavity by providing the insufflation gas through the trocar.
A method for supplying insufflation fluid to a patient cavity includes positioning a secondary trocar at least partially within a primary trocar, the secondary trocar being configured to facilitate delivery of insufflation fluid to a patient cavity. The method further includes, upon positioning the secondary trocar at least partially within the primary trocar, coupling the secondary trocar to the primary trocar thereby forming a trocar assembly. The method further includes coupling the primary trocar to a surgical robot and delivering the insufflation fluid to the patient cavity using the trocar assembly.
A method includes receiving, from a primary pressure sensor, a pressure measurement indicative of a pressure of a patient cavity and controlling, by an insufflator, a supply of the insufflation fluid to the patient cavity based on the pressure measurement from the primary pressure sensor. The method further includes delivering, by a trocar, the supplied insufflation fluid to the patient cavity via an access port, wherein: the access port comprises a seal and a retractor; and the access port facilitates access therethrough to the patient cavity.
A61B 5/03 - Measuring fluid pressure within the body other than blood pressure, e.g. cerebral pressure
A61B 90/00 - Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups , e.g. for luxation treatment or for protecting wound edges
A61M 13/00 - Insufflators for therapeutic or disinfectant purposes
A61M 16/00 - Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators Tracheal tubes
10.
Method and system for gas maintenance to a body cavity using a trocar
According to one embodiment, a trocar assembly having a proximal end and a distal end comprises an inner tubular member and an outer tubular member. The inner tubular member is formed with an opening at the proximal end and an opening at the distal end, the openings adapted to provide access for one or more surgical instruments during a surgical procedure. The outer tubular member is disposed about the inner tubular member, the outer tubular member being partitioned into at least a first chamber and a second chamber, wherein: the inner tubular member is separated from the outer tubular member by an inner wall; the first chamber is separated from the second chamber; and the first chamber and the second chamber are defined by the inner wall and an outer wall of the outer tubular member.
A system includes a bypass valve, a first conduit, and a second conduit. The bypass valve includes at least a first channel and a second channel and is configured to permit insufflation fluid to flow along a first flow path when the second channel is closed and permit the insufflation fluid to flow along a second flow path when the first channel is closed. The first conduit is coupled to the bypass valve and is configured to facilitate delivery of the insufflation fluid from an insufflator to the bypass valve. The second conduit is coupled to the first channel of the bypass valve and configured to facilitate delivery of the insufflation fluid from the bypass valve to the patient cavity via a first medical appliance.
A method includes receiving, from a primary pressure sensor, a pressure measurement indicative of a pressure of a patient cavity and controlling, by an insufflator, a supply of the insufflation fluid to the patient cavity based on the pressure measurement from the primary pressure sensor. The method further includes delivering, by a trocar, the supplied insufflation fluid to the patient cavity via an access port, wherein: the access port comprises a seal and a retractor; and the access port facilitates access therethrough to the patient cavity.
According to one embodiment, a method includes positioning a portion of a trocar into a patient cavity and inserting a surgical instrument into the trocar. The method also includes measuring, by a pressure sensor disposed in, on, or through a medical appliance, a pressure indicative of a pressure in the patient cavity. The method also includes supplying, based at least in part on the measured pressure, an insufflation gas to the patient cavity by providing the insufflation gas through the trocar.
A61M 13/00 - Insufflators for therapeutic or disinfectant purposes
A61B 90/00 - Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups , e.g. for luxation treatment or for protecting wound edges
14.
Method and system for gas maintenance to a body cavity using a trocar
According to one embodiment, a trocar assembly having a proximal end and a distal end comprises an inner tubular member and an outer tubular member. The inner tubular member is formed with an opening at the proximal end and an opening at the distal end, the openings adapted to provide access for one or more surgical instruments during a surgical procedure. The outer tubular member is disposed about the inner tubular member, the outer tubular member being partitioned into at least a first chamber and a second chamber, wherein: the inner tubular member is separated from the outer tubular member by an inner wall; the first chamber is separated from the second chamber; and the first chamber and the second chamber are defined by the inner wall and an outer wall of the outer tubular member.
A method comprises positioning a medical appliance having a primary pressure sensor at or within a patient incision site and supplying an insufflation fluid to the patient cavity. The method further comprises measuring a pressure in the patient cavity by the primary pressure sensor and controlling the supply of insufflation fluid by an insufflator to the patient cavity based at least on the measured pressure. The method further comprises determining, by a processor associated with the insufflator, that the measured pressure may be inaccurate and, in response to determining that the measured pressure may be inaccurate, controlling, by the insufflator, the supply of the insufflation fluid to the patient cavity based at least on a pressure measured by a backup pressure sensor.
A61M 16/00 - Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators Tracheal tubes
A61B 90/00 - Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups , e.g. for luxation treatment or for protecting wound edges
16.
Method and system for controlling pressurization of a patient cavity using a pressure sensor in a trocar
According to one embodiment, a method includes positioning a trocar having a primary pressure sensor in or on the trocar into a patient cavity. The method also includes supplying an insufflation fluid to the patient cavity and measuring a pressure in the patient cavity by the primary pressure sensor. The method further includes controlling the supply of insufflation fluid by an insufflator to the patient cavity based at least on the measured pressure and determining by a processor associated with the insufflator that the measured pressure may be inaccurate and in response, controlling, by the insufflator, the supply of insufflation fluid to the patient cavity based at least on a pressure measured by a backup pressure sensor rather than based on the measured pressure.
A61B 90/00 - Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups , e.g. for luxation treatment or for protecting wound edges
A61B 17/00 - Surgical instruments, devices or methods
G16H 10/60 - ICT specially adapted for the handling or processing of patient-related medical or healthcare data for patient-specific data, e.g. for electronic patient records
17.
Method and system for controlling pressurization of a patient cavity using cavity distension measured by a pressure sensor of a trocar
According to one embodiment, a method includes positioning a trocar having a pressure sensor in or on the trocar into a patient cavity such that distension of the patient cavity causes an altitude of the pressure sensor to increase. The method also includes distending the patient cavity by supplying an insufflation gas to the patient cavity, thereby increasing an altitude of the pressure sensor from a first altitude to a second altitude. The method also includes determining a change in pressure at the pressure sensor resulting from increasing the altitude of the pressure sensor from the first altitude to the second altitude and controlling the supply of insufflation gas to the patient cavity in response to the determined change in pressure resulting from increasing the altitude of the pressure sensor from the first altitude to the second altitude.
A61B 17/00 - Surgical instruments, devices or methods
A61M 13/00 - Insufflators for therapeutic or disinfectant purposes
A61B 90/00 - Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups , e.g. for luxation treatment or for protecting wound edges
18.
METHOD AND SYSTEM FOR CONTROLLING PRESSURIZATION OF A PATIENT CAVITY USING CAVITY DISTENSION MEASURED BY A PRESSURE SENSOR OF A TROCAR
According to one embodiment, a method includes positioning a trocar having a pressure sensor in or on the trocar into a patient cavity such that distension of the patient cavity causes an altitude of the pressure sensor to increase. The method also includes distending the patient cavity by supplying an insufflation gas to the patient cavity, thereby increasing an altitude of the pressure sensor from a first altitude to a second altitude. The method also includes determining a change in pressure at the pressure sensor resulting from increasing the altitude of the pressure sensor from the first altitude to the second altitude and controlling the supply of insufflation gas to the patient cavity in response to the determined change in pressure resulting from increasing the altitude of the pressure sensor from the first altitude to the second altitude.
According to one embodiment, a method includes positioning a portion of a trocar into a patient cavity and inserting a surgical instrument into the trocar. The method also includes measuring, by a pressure sensor disposed within the trocar, a pressure within the trocar. The measured pressure is indicative of a pressure in the patient cavity. The method also includes supplying, based at least in part on the measured pressure, an insufflation gas to the patient cavity by providing the insufflation gas through the trocar.
A61M 5/00 - Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular wayAccessories therefor, e.g. filling or cleaning devices, arm rests
A61M 13/00 - Insufflators for therapeutic or disinfectant purposes
20.
Method and system for measuring pressure in a body cavity using a trocar
According to one embodiment, a method includes positioning a portion of a trocar into a patient cavity and inserting a surgical instrument into the trocar. The method also includes measuring, by a pressure sensor disposed within the trocar, a pressure within the trocar. The measured pressure is indicative of a pressure in the patient cavity. The method also includes supplying, based at least in part on the measured pressure, an insufflation gas to the patient cavity by providing the insufflation gas through the trocar.
A61M 13/00 - Insufflators for therapeutic or disinfectant purposes
A61B 90/00 - Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups , e.g. for luxation treatment or for protecting wound edges
A medical gas condition system for supplying a liquid hydration fluid to a hydrator before or during an ongoing medical procedure by coupling the flow of liquid hydration fluid into the hydrator to either the absence of flow of medical insufflation gas into the hydrator or to a condition where the liquid hydration fluid can be absorbed by a hydrator without being forced through the hydrator in liquid form.
According to one embodiment, a method includes positioning a portion of a trocar into a patient cavity. The trocar includes an inner tubular member and an outer tubular member disposed about the inner tubular member. The outer tubular member has at least a first chamber and a second chamber separated from the first chamber. The method also includes inserting a surgical instrument into the inner tubular member, and supplying an insufflation gas to the patient cavity by providing the insufflation gas through the first chamber of the outer tubular member.
A gas conditioning trocar, which is in contact with a patient, having an exterior surface that is maintained at a temperature below a temperature of the heated insufflation gas by using a portion of an unheated insufflation gas to cool the exterior surface of the trocar before the unheated insufflation gas is subsequently heated to a conditioned state suitable for insufflating the body cavity of the patient.
A cannula adapter for converting a trocar insufflator into a two-phase or two-mode insufflation system. In the needle insufflation mode the insufflation gas flows through a trocar cannula, a cannula adapter and an insufflation needle before entering a body cavity and in the trocar insufflation mode gas flows directly into the body cavity from the trocar cannula. The cannula adapter although sealingly attachable to the trocar cannula during the needle insufflation mode is removable therefrom for a seamless transfer between the needle insufflation mode and the trocar insufflation mode.
A fail-safe insufflation device having a thermal cutoff for interrupting power to an electrical heater to prevent overheating of insufflation gas wherein the thermal cutoff operates independent of a temperature control system to provide electrical shutdown of an electrical heater in response to a hostile temperature condition of the insufflation gas or a hostile temperature condition proximate the electrical heater.
A trocar assembly wherein a trocar with an elongated polygonal tube can receive either an obturator or a medical instrument of a dissimilar cross-sectional shape with the medical instrument of the different cross sectional shape maintable in a central condition therein to inhibit pressure losses to lateral flow to thereby permit use of a cannula having a smaller cross sectional area than a cylindrical cannula as well as inhibit trauma to an entry site around the cannula.
One aspect of the invention is an apparatus including an alarm for alerting an operator to recharge a humidifier, wherein such alarm is generated other than through the use of a humidity sensor. In one embodiment the total work performed during heating and hydrating an insufflation gas is measured and an alarm generated when the total work performed exceeds a particular threshold. In another embodiment, a flow meter is used to measure the total flow of insufflation gas so that when the total flow of insufflation gas reaches a predetermined level an alarm is activated.
One aspect of the invention is a method to vent gas from a body cavity during an endoscopic procedure. A body cavity is in fluid communication with an exhaust gas inlet of a vacuum break device. The vacuum break device has a chamber in fluid communication with both the inlet and an outlet. The chamber may comprise one or more openings in fluid communication with the atmosphere. A conduit in fluid communication with the exhaust gas outlet may be connected directly or indirectly to a suction source. The suction source may be activated.
A61M 1/00 - Suction or pumping devices for medical purposesDevices for carrying-off, for treatment of, or for carrying-over, body-liquidsDrainage systems
29.
Surgical method for performing an open surgical site surgery
In accordance with one embodiment of the present disclosure, a surgical method may include making an incision in a patient. The method may also include opening the incision in order to create an open surgical site in the patient. The method may further include receiving a gas from a source. The method may further include humidifying and warming the gas received from the source. The method may further include successively reflecting the humidified and warmed gas off a plurality of non-porous surfaces within a non-porous gas delivery mechanism to create a flow. The method may further include delivering the flow of the humidified and warmed gas adjacent to or into the open surgical site.
The present invention comprises devices and methods that, in certain embodiments, provide a lighted cup, ring or cap that comprises a customizable size and fit, for use in hysterectomy procedures, whereby the ring or cup engages the vaginal fornix and is covered by the vaginal cervical tissue. The lighting allows the surgeon to visualize the location of the lighted cup, ring or cap, thereby quickly and accurately identifying the incision site while providing protection of the associated vasculature and the ureters.
A61B 1/06 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor with illuminating arrangements
A medical gas condition system for supplying a liquid hydration fluid to a hydrator before or during an ongoing medical procedure by coupling the flow of liquid hydration fluid into the hydrator to either the absence of flow of medical insufflation gas into the hydrator or to a condition where the liquid hydration fluid can be absorbed by a hydrator instead of being forced through the hydrator in liquid form.
Devices and methods for vacuum-assisted removal of surgically contaminated gas from an insufflated body cavity, the contaminants comprising smoke, aerosols, vapor, mist and the like generated during surgical procedures in order to clear the surgeon's vision of the surgical site and prevent exposure of the surgical staff to the gas. One embodiment of the present invention comprises a series of flow restriction devices to enable stepping down of the flow rate generated by an external vacuum. This reduced flow rate allows safe yet rapid removal of the toxic and vision-obstructing surgical byproducts from the patient's body cavity. The initial flow restriction device may comprise a perforated trocar sleeve in fluid communication with the vacuum source that allows retention of the surgical instrument within the trocar's inner lumen with concurrent smoke removal. The flow rate is infinitely variable, adjustable and selectable using a flow control adjuster comprising a smoothly varying orifice.
Devices and methods for vacuum-assisted removal of contaminants (smoke, aresols, vapor and the like) in insufflated gas from a body cavity to clear the surgeon's vision of the site and prevent exposure of the surgical staff to the gas. One embodiment of the present invention comprises a series of flow restriction devices for stepping down of the flow rate generated by an external vacuum. This reduced flow rate allows safe yet rapid removal of the toxic and vision obstructing surgical byproducts from the patient's body cavity. The initial flow restriction device may comprise a perforated trocar sleeve in fluid communication with the vacuum source that allows retention of the surgical instrument within the trocar sleeve's inner lumen with concurrent smoke removal. Additional flow restriction devices located downstream of the perforated sleeve's intake ports are employed to safely limit the flow rate to a manageable and known value.
An apparatus and method for clearing of a surgical site during the performance of a medical procedure where a single phase wash fluid, which has been conditioned, is directed at the surgical site to inhibit or prevent harm to the body tissue as unwanted debris is blown away from the surgical site thereby permitting a surgeon to safely perform a medical procedure without the presence of unwanted liquids or unwanted debris at the surgical site.
A61B 19/00 - Instruments, implements or accessories for surgery or diagnosis not covered by any of the groups A61B 1/00-A61B 18/00, e.g. for stereotaxis, sterile operation, luxation treatment, wound edge protectors(protective face masks A41D 13/11; surgeons' or patients' gowns or dresses A41D 13/12; devices for carrying-off, for treatment of, or for carrying-over, body liquids A61M 1/00)
A61M 1/00 - Suction or pumping devices for medical purposesDevices for carrying-off, for treatment of, or for carrying-over, body-liquidsDrainage systems
A61C 17/00 - Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prosthesesSaliva removersDental appliances for receiving spittle
An insufflation apparatus and/or insufflation kit for use during a medical procedure including a fluid stabilizer wherein the insufflation apparatus can be used in different modes with a mode change between needle insufflation or cannula insufflation accomplished without having to use a different fluid stabilizer or a different trocar wherein the trocar may be a gas conditioning trocar having a chamber for on-the-go heating and hydrating an unconditioned insufflation gas prior to injecting a conditioned insufflation gas into a body cavity.
In accordance with one embodiment of the present disclosure, a surgical method may include making a first incision in a patient. The surgical method may also include receiving a gas from a source and humidifying and warming the gas received from the source. The surgical method may further include delivering the humidified and warmed gas into the first incision. The surgical method may further include separating one or more blood vessel branches from a blood vessel using at least one surgical instrument inserted through a second incision in the patient. The surgical method may further include removing a blood vessel segment from the patient through a third incision in the patient, wherein the blood vessel segment was in contact with the humidified and warmed gas delivered into the first incision prior to the removal.
A gas conditioning trocar having a chamber for heating and hydrating an unconditioned insufflation gas prior to injecting a conditioned insufflation gas into a body cavity during a medical procedure and a port through which surgical instruments can pass into a body cavity without inhibiting the flow of insufflation gas during the medical procedure.
One aspect of the invention is a method to vent gas from a body cavity during an endoscopic procedure. A body cavity is in fluid communication with an exhaust gas inlet of a vacuum break device. The vacuum break device has a chamber in fluid communication with both the inlet and an outlet. The chamber may comprise one or more openings in fluid communication with the atmosphere. A conduit in fluid communication with the exhaust gas outlet may be connected directly or indirectly to a suction source. The suction source may be activated.
A61M 1/00 - Suction or pumping devices for medical purposesDevices for carrying-off, for treatment of, or for carrying-over, body-liquidsDrainage systems
One aspect of the invention is an apparatus including an alarm for alerting an operator to recharge a humidifier, wherein such alarm is generated other than through the use of a humidity sensor. In one embodiment the total work performed during heating and hydrating an insufflation gas is measured and an alarm generated when the total work performed exceeds a particular threshold. In another embodiment, a flow meter is used to measure the total flow of insufflation gas so that when the total flow of insufflation gas reaches a predetermined level an alarm is activated.
One aspect of the invention is a method to vent gas from a body cavity during an endoscopic procedure. A body cavity is in fluid communication with an exhaust gas inlet of a vacuum break device. The vacuum break device has a chamber in fluid communication with both the inlet and an outlet. The chamber may comprise one or more openings in fluid communication with the atmosphere. A conduit in fluid communication with the exhaust gas outlet may be connected directly or indirectly to a suction source. The suction source may be activated.
A61M 1/00 - Suction or pumping devices for medical purposesDevices for carrying-off, for treatment of, or for carrying-over, body-liquidsDrainage systems
patents
