Implantable bone lengthening apparatus

Details Implantable bone lengthening apparatus Implantable bone lengthening apparatus

1995-11-27

1997-05-06

Buiz, Michael Powell

Surgery

Instruments

Orthopedic instrumentation

606 62, 606 67, 606 68, 606 78, 606 53, A61B 1756

Patent

active

056265816

ABSTRACT:
An implantable bone lengthening apparatus may utilize an entirely self-contained lengthening mechanism which includes a shape memory material-powered hydraulic pump, a shape memory material-powered ratchet mechanism, a permeable head piston mechanism, and a bellows extension mechanism. The bone lengthening nails are more compact, simpler, eliminate unnecessary shifting or torsional movement, and maintain alignment of the bone during its natural healing process.

REFERENCES:
patent: 4945727 (1990-08-01), Whitehead et al.
patent: 5356411 (1994-10-01), Spievack
patent: 5415660 (1995-05-01), Campbell et al.
patent: 5466261 (1995-11-01), Richelsoph

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