Means for removal of osteal prostheses

Details Means for removal of osteal prostheses Means for removal of osteal prostheses

1995-04-17

1997-05-06

Tucker, Guy V.

Surgery

Instruments

Orthopedic instrumentation

606 86, A61B 1756

Patent

active

056265840

ABSTRACT:
A relatively massive annular body is driven in radial-mode resonant oscillation by an ultrasonic driver that is fixed to the periphery of the annular body, with the axis of its ultrasonic drive oriented for intersection with the central axis of the annular body. A selected chucking device within the bore of the annular body is adapted to engage part of a prosthetic device, to which the resonant oscillation is imparted, for melting bone cement and for severing bony ingrowth into the prosthetic, thus permitting immediate retraction of the prosthetic from its pre-existing implantation in a living bone.

REFERENCES:
patent: 4686971 (1987-08-01), Harris et al.
patent: 5167619 (1992-12-01), Wuchinich
patent: 5196018 (1993-03-01), Willert et al.
patent: 5352230 (1994-10-01), Hood

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