Pre- and postimplantation dynamic mechanical properties of silastic HP-100 finger joints.
biomechanical · Level V
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Abstract
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.
Medical subject headings
- Finger Joint
- Joint Prosthesis
- Silicone Elastomers