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Dynamic mechanical properties of Silastic HP-100 finger joint implants were studied. Sixteen sections of unimplanted and 14 sections of retrieved implants were analyzed with standard thermal analysis techniques. Results show that implantation does not alter the viscoelastic properties of Silastic HP-100 elastomers. The authors conclude that fracture of Silastic HP-100 implants cannot be attributed to changes in rheologic properties of the implanted elastomer.
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Accepted: October 1, 1996
Received: July 3, 1995
*Supported by the NSF-MRL Program under grant #DMR 91-20668. Silastic, is a registered trademark of Dow Corning, Auburn, MI.
**No benefits in any form have been received or will be received from a commerical party related directly or indirectly to the subject of this article.
© 1997 The American Society for Surgery of the Hand. All rights reserved. Published by Elsevier Inc.