Surgical fastener with selectively coated ridges

Details Surgical fastener with selectively coated ridges Surgical fastener with selectively coated ridges

1995-09-08

1996-04-09

Brown, Michael A.

Surgery

Instruments

Orthopedic instrumentation

606 73, 606 76, A61B 1756

Patent

active

055057365

ABSTRACT:
A fastener including an elongated body having one or more ridges passing across its exterior surface intersecting root portions between them. Each ridge has a crest portion with edges bounded by distal and proximal slope portions extending inwardly from the crest edges to the root portions. A coating is disposed on the crest portion and at least part of the distal slope portion but not on at least part of the root portion. The coating has a selected coefficient of friction different from that of the exterior surface of the elongated body. The fastener further includes an element for engaging a driver to enable insertion of the elongated body into a tissue of the patient. The coating modifies the amount of force which must be applied to the driver to insert the fastener.

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Leslie S. Matthews, M.D. & Stephen R. Soffer, M.D., Pitfalls in the Use of Interference Screws for Anterior Cruciate Ligament Reconstruction: Brief Report, Published Arthroscopy, 1989.

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