Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Hair or skin
Patent
1992-10-05
1993-11-30
Isabella, David
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
Hair or skin
606138, A61F 208, A61B 1700
Patent
active
052660753
ABSTRACT:
A tendon threader and process for its use for positioning and endosteally mounting a tendon within the endosteum of a closed tunnel end of a straight ligament tunnel that has been formed in a patient's knee in an arthroscopic surgical procedure for replacement of a cruciate ligament. The tendon threader includes a straight tubular body, with a handle arranged on one end, and the other tube end includes a pair of aligned wide longitudinal slots formed, with tube end remainder portions adjacent to which wide longitudinal slots each having a small longitudinal slot formed therein, the small slots for receiving a tendon, or a suture sewn onto the end of a tendon, fitted therein, forming a loop across the tube end. The tendon threader is for insertion into the straight ligament tunnel to where the tendon or suture loop is proximate to a ligament tunnel section end. Which procedure may be observed on a fluoroscopic monitor or utilizing an arthroscope fitted in the tendon threader tubular body, with a surgeon turning a pin into the side of the patient's knee, that travels through the ligament tunnel section and through the tendon or suture loop. The tendon threader is then removed leaving the tendon or suture folded over the pin, and the tendon or suture end is pulled over the pin to where the tendon ends are positioned over one another for mounting, under tension, as by stapling, onto the bone cortex surface adjacent to the straight ligament open tunnel end, completing the installation.
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Clark Roy
Olsen Raymond E.
Isabella David
Russell M. Reid
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