Apparatus for attaching soft tissue to bone

Details Apparatus for attaching soft tissue to bone Apparatus for attaching soft tissue to bone

1994-02-23

1996-06-04

Pellegrino, Stephen C.

Surgery

Instruments

Suture retaining means

606 73, A61B 1700

Patent

active

055228437

ABSTRACT:
A bone anchor for securing a suture to a bone comprising a head portion and a shaft. The head portion includes a flat head portion for impeding axial migration of the bone anchor into the bone and a dome portion having a tunnel for receiving a suture. The shaft secures the bone anchor to the bone. It extends from the head portion to a flat, distal end. The shaft includes a plurality of tine segments disposed in planes substantially perpendicular to the longitudinal axis of the bone anchor and a plurality of grooves extending along the shaft that divide each of the plurality of tine segments into a plurality of tines. Each of the plurality of tines has an upper surface substantially perpendicular to the longitudinal axis of the anchor, a frustroconical portion, and an arcuate junction defined by the intersection of the upper surface and the frustroconical portion. The angle of the arcuate junction for each of the plurality of tines at each of the tine segments increases along the length of the shaft from the head to the distal end.

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Fracture Appliances Brochure, Zimmer Co. Feb., 1947.

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