Abstract

The present invention relates to a device which can be applied to the body surface to guide the motion of treatment medical instruments at target tissues inside the body by allowing to adjust their insertion and extraction trajectory.

IPC Classes  ?

• A61B 90/11 - 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 for stereotaxic surgery, e.g. frame-based stereotaxis with guides for needles or instruments, e.g. arcuate slides or ball joints
• A61B 17/34 - TrocarsPuncturing needles

Abstract

The present invention relates to a device which can be applied to the body surface to guide the motion of treatment medical instruments at target tissues inside the body by allowing to adjust their insertion and extraction trajectory.

IPC Classes  ?

• A61B 17/34 - TrocarsPuncturing needles
• A61B 90/11 - 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 for stereotaxic surgery, e.g. frame-based stereotaxis with guides for needles or instruments, e.g. arcuate slides or ball joints

Abstract

An antenna for a microwave device for tissue ablation includes a metal cannula inside which there are arranged an external conductor and an internal conductor of the antenna, between which a layer of electrically insulating material is interposed, and a penetrating tip connected to the antenna. The antenna further includes a reinforcing element connected to a distal end of the cannula, the penetrating tip being connected to a distal end of the reinforcing element.

IPC Classes  ?

• A61B 18/18 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
• A61B 18/00 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body

Abstract

An antenna (1) for a microwave device for tissue ablation comprises a metal cannula (2) inside which there are arranged an external conductor (3) and an internal conductor (4) of the antenna (1), between which a layer (5) of electrically insulating material is interposed, and a penetrating tip (9) connected to the antenna (1); the antenna (1) further comprises a reinforcing element (7) connected to a distal end of said cannula (2), said penetrating tip (9) being connected to a distal end (10) of said reinforcing element (7).

IPC Classes  ?

• A61B 18/18 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
• A61N 5/04 - Radiators for near-field treatment

Abstract

A microwave device for the ablation of biological tissues including a coaxial antenna, including an internal conductor, surrounded by a layer of dielectric material, an external conductor coaxial to the dielectric metal tip electrically connected to the internal conductor, and a quarter wave impedance transformer including a sleeve made of dielectric material having a proximal end covered with a layer of metal, the metal extending over nearly a quarter wavelength of electromagnetic field in the dielectric at the operating frequency of the device or of odd multiples of the quarter wavelength, the layer of metal material being connected electrically to the external conductor.

IPC Classes  ?

• A61B 18/18 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
• A61B 18/00 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body

Abstract

A microwave device (10; 100) for the ablation of biological tissues comprising a coaxial antenna (11), said coaxial antenna (1 1) comprising an internal conductor (13), surrounded by a layer of dielectric material, a external conductor (12) that is externally coaxial to said layer of dielectric material, a metal tip for penetrating tissues (14) that is connected electrically to said internal conductor (13), a quarter wave impedance transformer (16; 116) ending in a short circuit; the impedance transformer (16; 116) comprises a sleeve (15; 115) made of dielectric material having a proximal end covered with a layer of metal material (16a; 116a) obtained by depositing said metal material on the surface of said dielectric material, said layer of metal material extending over a length near a quarter of wavelength of the electromagnetic field in the dielectric material at the operating frequency of the device (10; 100) or of odd multiples of said quarter of wavelength, said layer of metal material being connected electrically to said external conductor (12); the microwave device (10; 100) further comprises a metal cannula (19) inserted above said sleeve (15; 115), said metal cannula being connected to said layer of metal material (16a; 116a) by gluing, brazing, welding or mechanical interference.

IPC Classes  ?

• A61B 18/18 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
• A61N 5/04 - Radiators for near-field treatment

Abstract

A device for transcutaneous biopsy includes a casing consisting of a first half shell and a second half shell that are fixable to one another. Inside the casing there is defined a chamber into which slides a slide element to which a first cannula and a second cannula are connected. The second cannula is inserted inside the first cannula, both of them having a common longitudinal axis. The first cannula is provided with a locking element. The locking element, which is suitable for interacting with the second cannula, is provided with a pair of notches interacting with a pair of lamina elements with which the second cannula is provided.

IPC Classes  ?

• A61B 10/02 - Instruments for taking cell samples or for biopsy

Abstract

A device (1) for transcutaneous biopsy comprising a casing (2) consisting of a first half shell (P) and a second half shell (Q) that are fixable to one another, inside said casing (2) there being defined a chamber (3) into which a slide element (E) is slidable in a sliding direction, to the slide element (E) there are connected a first cannula (A), consisting of a first hollow cylindrical body, and a second cannula (C) consisting of a second hollow cylindrical body, said first cannula (A) and said second cannula (C) having a common longitudinal axis (Z) parallel to said sliding direction, said second cannula (C) being inserted inside said first cannula (A), said first cannula (A) being provided, at a distal end thereof, with a locking element (B) suitable for interacting with said second cannula (C), said locking element (B) comprising a third hollow cylindrical body fixed to the inside of said distal end of the first cannula (A), said third hollow cylindrical body being provided, at a proximal end with a pair of notches (B10), said second cannula (C) being provided at a distal en*d thereof with a pair of lamina elements (C10) that are diametrically opposite one another and are suitable for interacting with said pair of notches (B10).

IPC Classes  ?

• A61B 10/02 - Instruments for taking cell samples or for biopsy

Abstract

A biopsy device includes a first hollow cylindrical element, a second hollow cylindrical element inside which the first hollow cylindrical element is insertable and a locking element that is suitable for locking a tissue sample inside the first hollow cylindrical element. The locking element includes a deformable portion of the first hollow cylindrical element that is able to become deformed to enable a cross section of the first hollow cylindrical element to be closed, the deformable portion connecting a distal end of the first hollow cylindrical element to a body of the first hollow cylindrical element.

IPC Classes  ?

• A61B 10/02 - Instruments for taking cell samples or for biopsy
• A61B 17/32 - Surgical cutting instruments

Abstract

A device for tracheotomy comprising: an endotracheal tube (1) that has, near a distal end (2a) thereof, an inflatable sealing cuff (C); inflating means (D; E) of said sealing cuff (C) associated with said endotracheal tube (1), said endotracheal tube (1) is provided at said distal end (2a) with an appendage (2b) consisting of a sector of cylindrical wall.

IPC Classes  ?

• A61M 16/04 - Tracheal tubes

Abstract

A biopsy device (1) comprising a body (2), a mandrel (5) near the distal end of which a housing (8) is obtained intended to receive a sample of organic tissue to be taken, said mandrel (5) being provided with an axial hole (9) extending from a proximal end of the mandrel to said housing (8) and with a groove (10) extending on the bottom of said housing and aligned with said axial hole (9) , a hollow needle (7) having a proximal end, fixed to said body (2) and into which said mandrel (5) is insertable and which is movable with respect to said mandrel (5) in a direction parallel to a longitudinal axis of the mandrel (5) ; the device (1) furthermore comprises cannula means (12) insertable into said axial hole (9) and into said groove (10), said cannula means (12) being closed at a distal end and being provided, on a surface portion facing the exterior of said housing (8) , with a plurality of through openings (13) .

IPC Classes  ?

• A61B 10/00 - Instruments for taking body samples for diagnostic purposesOther methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determinationThroat striking implements
• A61B 10/02 - Instruments for taking cell samples or for biopsy

Abstract

A device (1) for biopsy that comprises a mandrel (4) provided at a distal end thereof , with a seat (4a) for receiving a sample of tissue, a hollow needle (5) arranged concentrically outside said mandrel (4), said mandrel (4) and said hollow needle (5) being movable with respect to one another in a direction that is substantially parallel to the respective longitudinal axes, said mandrel (4) and said hollow needle (5) are drivable to slide in said direction through automatic driving means (17, 24, 24a), said automatic driving means (17, 24, 24a) driving in sequence both the mandrel (4) and the hollow needle (5).

IPC Classes  ?

• A61B 10/00 - Instruments for taking body samples for diagnostic purposesOther methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determinationThroat striking implements