A device for implanting a prosthesis 12 in a body tissue equipped with a tubular element 7, within which a prosthesis 12 can slide, and a pressure element 16 for moving said prosthesis 12. The device also comprises a cartridge 5 provided with a seat 31 at its interior, such seat housing the prosthes
A device for implanting a prosthesis 12 in a body tissue equipped with a tubular element 7, within which a prosthesis 12 can slide, and a pressure element 16 for moving said prosthesis 12. The device also comprises a cartridge 5 provided with a seat 31 at its interior, such seat housing the prosthesis 12 and movable under the action of a pusher element 13 from a first position, in which the seat 31 is not facing the tubular element 7, to a second position, in which the seat 31 is in communication with the tubular element 7 in order to allow the insertion of the prosthesis 12 inside the tubular element 7 upon command of the pressure element 16.
대표청구항▼
1. A device for implanting a prosthesis in a body tissue, comprising a tubular element having an open end through which the prosthesis can exit outward, a pressure element acting on a rear end of the prosthesis, first movement means programmed for advancing the pressure element inside the tubular el
1. A device for implanting a prosthesis in a body tissue, comprising a tubular element having an open end through which the prosthesis can exit outward, a pressure element acting on a rear end of the prosthesis, first movement means programmed for advancing the pressure element inside the tubular element so as to bring a front end of the prosthesis closer to the open end and second movement means programmed for moving the tubular element back with respect to the pressure element a pre-established calculated amount, in a manner such that the rear end of the prosthesis exits outward from the open end, wherein the first movement means are programmed for advancing the pressure element inside the tubular element along a path such to bring the front end of the prosthesis to a pre-established distance from the open end, the second movement means being programmed for moving the tubular element back an amount that is equal to a longitudinal size of the prosthesis, plus said pre-established distance. 2. The device according to claim 1, wherein the first movement means are programmed for advancing the pressure element inside the tubular element along a path such to bring the front end of the prosthesis flush with the open end, the second movement means being programmed for subsequently moving the tubular element back an amount equal to a longitudinal size of the prosthesis. 3. The device according to claim 1, wherein the first movement means and the second movement means are housed in an applicator pistol of said device, the tubular element being included in a cartridge associable with a front terminal region of the applicator pistol. 4. The device according to claim 3, wherein the pressure element is initially housed in the applicator pistol. 5. The device according to claim 3, wherein the cartridge comprises a support body provided with a seat for housing the prosthesis. 6. The device according to claim 5, wherein the seat faces a passage aligned with the tubular element, in a manner such that a longitudinal axis of the prosthesis received in the seat is parallel to a longitudinal axis of the tubular element. 7. The device according to claim 6, and also comprising a pusher element for pushing the prosthesis into said passage when said passage is empty. 8. The device according to claim 6, wherein the cartridge comprises a locking element removably positioned inside said passage for maintaining the prosthesis inside the seat before mounting the cartridge on the applicator pistol. 9. The device according to claim 1, wherein the first movement means and the second movement means comprise respective motors each driving a worm screw, the worm screw of the first movement means being associated with a carriage supporting the pressure element, the worm screw of the second movement means being associated with a slide supporting the tubular element. 10. The device according to claim 1, wherein the pressure element is shaped as a needle having a pointed end for piercing the body tissue. 11. The device according to claim 10, wherein the pointed end is closed. 12. A device for implanting a prosthesis in a body tissue, comprising a tubular element having an open end through which the prosthesis can exit outward, a pressure element acting on a rear end of the prosthesis, first movement means programmed for advancing the pressure element inside the tubular element so as to bring a front end of the prosthesis closer to the open end and second movement means programmed for moving the tubular element back with respect to the pressure element a pre-established calculated amount, in a manner such that the rear end of the prosthesis exits outward from the open end, wherein the first movement means are programmed for advancing the pressure element inside the tubular element along a path such to bring the front end of the prosthesis flush with the open end, the second movement means being programmed for subsequently moving the tubular element back an amount equal to a longitudinal size of the prosthesis. 13. A device for implanting a prosthesis in a body tissue, comprising a tubular element having an open end through which the prosthesis can exit outward, a pressure element acting on a rear end of the prosthesis, first movement means programmed for advancing the pressure element inside the tubular element so as to bring a front end of the prosthesis closer to the open end and second movement means programmed for moving the tubular element back with respect to the pressure element a pre-established calculated amount, in a manner such that the rear end of the prosthesis exits outward from the open end, wherein the first movement means and the second movement means are housed in an applicator pistol of said device, the tubular element being included in a cartridge associable with a front terminal region of the applicator pistol. 14. A device for implanting a prosthesis in a body tissue, comprising a tubular element having an open end through which the prosthesis can exit outward, a pressure element acting on a rear end of the prosthesis, first movement means programmed for advancing the pressure element inside the tubular element so as to bring a front end of the prosthesis closer to the open end and second movement means programmed for moving the tubular element back with respect to the pressure element a pre-established calculated amount, in a manner such that the rear end of the prosthesis exits outward from the open end, wherein the pressure element is shaped as a needle having a pointed end for piercing the body tissue.
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