Method and apparatus for repair of torn rotator cuff tendons

Details Method and apparatus for repair of torn rotator cuff tendons Method and apparatus for repair of torn rotator cuff tendons

2004-11-09

2009-10-20

Ramana, Anu (Department: 3775)

Surgery

Instruments

Orthopedic instrumentation

Reexamination Certificate

active

07604659

ABSTRACT:
A minimally invasive orthopedic fastener for the repair of torn rotator cuff tendons. The rotator cuff is thereby repaired transarthroscopically to bring the tendons tight to the bone. This is accomplished by the use of a bone screw having a plurality of vanes pivotally mounted thereon. The vanes are pivotal from a retracted position extending along a length of the screw to an extended position extending substantially perpendicular to the shaft of the screw. The fastener is cannulated and taken down over a guide wire through a minimal incision to the operative site. Under direct vision, the screw is initially rotated into the bone by a screwdriver passed from the proximal end of the cannula to the distal end of the cannula to engage the fastener. The cannula is then partially withdrawn and by continued rotation of the screw, the vanes are moved into a position substantially perpendicular to the screw, thereby entrapping the tendons between the vanes of the screw and the bone.

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