Instrumentarium and method for implanting a cruciate ligament replacement in a knee joint
First Claim
1. An instrumentarium for implanting a cruciate ligament replacement in a knee joint comprisingan applicator for inserting a peg into a bore in a bone, into which bore said cruciate ligament is received, said peg being inserted into a clear space between said cruciate ligament replacement and a wall of said bore in said bone, said applicator having a hollow shaft, open at its distal end, a push-rod disposed in said hollow shaft, an operating element connected to said push-rod for moving said push-rod between a first position with a distal end of said push-rod being retracted into said hollow shaft allowing a peg to be inserted into said hollow shaft via open end of said hollow shaft, and a second position for pushing said peg out of said distal open end of said hollow shaft, and a releasable locking mechanism comprising a spring-biased member for fixing said push rod to said hollow shaft in said first position and allowing displacement of said push-rod to said second position when said locking mechanism is released.
4 Assignments
0 Petitions
Accused Products
Abstract
An instrumentarium for implanting a cruciate ligament replacement in a knee joint comprises an applicator for inserting a peg into a bore in a bone into which bore the cruciate ligament is received. The peg is inserted into a clear space between said cruciate ligament replacement and a wall of the bore in the bone. The applicator comprises a hollow shaft open at its distal end, a push-rod disposed in said hollow shaft and an operating element connected to the push-rod for moving it between a first position with a distal end retracted into the hollow shaft allowing a peg to be inserted, and a second position for pushing the peg out of said distal open end.
146 Citations
27 Claims
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1. An instrumentarium for implanting a cruciate ligament replacement in a knee joint comprising
an applicator for inserting a peg into a bore in a bone, into which bore said cruciate ligament is received, said peg being inserted into a clear space between said cruciate ligament replacement and a wall of said bore in said bone, said applicator having a hollow shaft, open at its distal end, a push-rod disposed in said hollow shaft, an operating element connected to said push-rod for moving said push-rod between a first position with a distal end of said push-rod being retracted into said hollow shaft allowing a peg to be inserted into said hollow shaft via open end of said hollow shaft, and a second position for pushing said peg out of said distal open end of said hollow shaft, and a releasable locking mechanism comprising a spring-biased member for fixing said push rod to said hollow shaft in said first position and allowing displacement of said push-rod to said second position when said locking mechanism is released.
Specification