System for performing a surgical procedure inside a body
First Claim
1. A medical system for enabling a physician to operate at a surgical site inside a body, which comprises:
- a) an elongated cannula providing a cannula bore having a first length extending between a distal cannula end and a spaced apart proximal cannula end, wherein the distal cannula end is adapted to reside inside the body adjacent to the surgical site with the proximal cannula end accessible from outside the body;
b) a sleeve providing a sleeve bore having a second length extending between a distal sleeve end and a spaced apart proximal sleeve end, wherein the sleeve has a first outer surface;
c) a surgical tool comprising a tool rod having a third length extending between a tool rod head and a spaced apart proximal tool rod end, wherein the tool rod head comprises a proximal head end and a distal head end supporting a surgical tool with the third length enabling the surgical tool to be housed inside the sleeve with the sleeve housing the surgical tool residing inside the cannula adjacent to the distal cannula end positioned adjacent to the surgical site and with the proximal tool end being manipulatable from outside the body adjacent to the proximal cannula end; and
d) wherein the tool rod head has a second outer surface including a second J-shaped channel and the sleeve supports a second pin extending into the sleeve bore oriented perpendicular to a longitudinal axis thereof, wherein the second pin is matable with the second J-shaped channel to provide for locking and unlocking the surgical tool inside the sleeve.
1 Assignment
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Accused Products
Abstract
A surgical system comprising a cannula for an elongate surgical tool that enables a physician to operate on a surgical site within a body from outside the body is described. The cannula supports a pin that is locked and unlocked from a J-shaped channel provided in the sidewall of a sheath for a surgical tool. The sheath prevents the surgical tool, such as a scalpel, from cutting the cannula as it is moved there through to the surgical site. The surgical tool, in turn, is provided with a second J-shaped channel that engages with a pin supported by the sheath for locking and unlocking the tool there from to enable a physician to perform the surgical procedure. One surgical tool is interchangeable with another for performing different tasks at the surgical site during the procedure.
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Citations
19 Claims
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1. A medical system for enabling a physician to operate at a surgical site inside a body, which comprises:
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a) an elongated cannula providing a cannula bore having a first length extending between a distal cannula end and a spaced apart proximal cannula end, wherein the distal cannula end is adapted to reside inside the body adjacent to the surgical site with the proximal cannula end accessible from outside the body; b) a sleeve providing a sleeve bore having a second length extending between a distal sleeve end and a spaced apart proximal sleeve end, wherein the sleeve has a first outer surface; c) a surgical tool comprising a tool rod having a third length extending between a tool rod head and a spaced apart proximal tool rod end, wherein the tool rod head comprises a proximal head end and a distal head end supporting a surgical tool with the third length enabling the surgical tool to be housed inside the sleeve with the sleeve housing the surgical tool residing inside the cannula adjacent to the distal cannula end positioned adjacent to the surgical site and with the proximal tool end being manipulatable from outside the body adjacent to the proximal cannula end; and d) wherein the tool rod head has a second outer surface including a second J-shaped channel and the sleeve supports a second pin extending into the sleeve bore oriented perpendicular to a longitudinal axis thereof, wherein the second pin is matable with the second J-shaped channel to provide for locking and unlocking the surgical tool inside the sleeve. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for performing a surgical operation inside a body, comprising the steps of:
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a) providing a medical system, which comprises; i) an elongated cannula providing a cannula bore having a first length extending between a distal cannula end and a spaced apart proximal cannula end, wherein the distal cannula end is adapted to reside inside the body adjacent to the surgical site with the proximal cannula end accessible from outside the body; ii) a sleeve providing a sleeve bore having a second length extending between a distal sleeve end and a spaced apart proximal sleeve end, wherein the sleeve has a first outer surface including a first J-shaped channel that is matable with a first pin supported by the cannula and extending into the cannula bore oriented perpendicular to a longitudinal axis thereof to provide for locking and unlocking the sleeve inside the cannula; and iii) a surgical tool comprising a tool rod having a third length extending between a tool rod head and a spaced apart proximal tool rod end, wherein the tool rod head comprises a proximal head end and a distal head end supporting a surgical tool with the third length enabling the surgical tool to be housed inside the sleeve with the sleeve housing the surgical tool residing inside the cannula adjacent to the distal cannula end positioned adjacent to the surgical site with the proximal tool end being manipulatable from outside the body adjacent to the proximal cannula end, and wherein the tool rod head has a second outer surface including a second J-shaped channel that is mateable with a second pin supported by the sleeve and extending into the sleeve bore oriented perpendicular to a longitudinal axis thereof to provide for locking and unlocking the surgical tool inside the sleeve; and b) positioning the cannula inside the body such that the distal cannula end resides adjacent to the surgical site and the proximal cannula end is accessible from outside the body; c) locking the surgical tool inside the sleeve by manipulating the tool rod so that the second pin of the sleeve is in the second J-shaped channel of the tool rod, thereby forming a surgical tool/sleeve assembly; d) moving the surgical tool/sleeve assembly into the proximal cannula end and along the cannula bore to lock the sleeve inside the cannula with the first pin of the cannula in the first J-shaped channel of the sleeve; and e) unlocking the tool rod and the surgical tool from the sleeve and then moving the surgical tool out of the distal sleeve end and the distal cannula end to perform a surgical function on the body. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A medical system for enabling a physician to operate at a surgical site inside a body, which comprises:
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a) an elongated cannula providing a cannula bore having a first length extending between a distal cannula end and a spaced apart proximal cannula end, wherein the distal cannula end is adapted to reside inside the body adjacent to the surgical site with the proximal cannula end accessible from outside the body; b) a sleeve providing a sleeve bore having a second length extending between a distal sleeve end and a spaced apart proximal sleeve end; c) a surgical tool comprising a tool rod having a third length extending between a tool rod head and a spaced apart proximal tool rod end, wherein the tool rod head comprises a proximal head end and a distal head end supporting a surgical tool with the third length enabling the surgical tool to be housed inside the sleeve with the sleeve housing the surgical tool residing inside the cannula adjacent to the distal cannula end positioned adjacent to the surgical site and with the proximal tool end being manipulatable from outside the body adjacent to the proximal cannula end; d) wherein the sleeve has a first outer surface including a first J-shaped channel and the cannula supports a first pin extending into the cannula bore oriented perpendicular to a longitudinal axis thereof, wherein the first pin is matable with the first J-shaped channel to provide for locking and unlocking the sleeve inside the cannula; and e) wherein the tool rod head has a second outer surface including a second J-shaped channel and the sleeve supports a second pin extending into the sleeve bore oriented perpendicular to a longitudinal axis thereof, wherein the second pin is matable with the second J-shaped channel to provide for locking and unlocking the surgical tool inside the sleeve.
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Specification