Self foreshortening fastener

Details Self foreshortening fastener Self foreshortening fastener

2005-06-06

2010-11-02

Philogene, Pedro (Department: 3733)

Surgery

Instruments

Orthopedic instrumentation

C606S331000, C606S077000

Reexamination Certificate

active

07824434

ABSTRACT:
Disclosed is a fastener that can be mounted to a bone of a patient and can foreshorten and swell of a desired period of time. The fastener can include a head portion and a body portion extending from the head portion. At least one of the head portion and the body portion has a first width that changes to a second width greater than the first width and collectively the head portion and the body portion have a first length that changes to a second length shorter than the first length upon the head portion and the body portion being exposed to a temperature below a glass transition temperature of a polymeric material forming the head portion and the body portion.

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João F. Mano et al.,Bioinert, biodegradable and injectable polymeric matrix composites for hard tissue replacement: state of the art and recent developments, Composites Science and Technology 64 (2004) 789-817.
Christiane König et al.,Autosterilization of biodegradable implants by injection molding process, printed from the website: http://www3.interscience.wiley.com/cgi-bin/abstract/44214/ABSTRACT on May 21, 2005, (2 pages).
C. Mauli Agrawal et al.,Biodegradable polymeric scaffolds for musculoskeletal tissue engineering, Copyright 2001 John Wiley & Sons, Inc. (10 pages).
U.S. Appl. No. 60/577,640, filed Jun. 7, 2004, von Oepen.

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