Surgery – Instruments – Orthopedic instrumentation
Patent
1997-07-29
1998-12-01
Tucker, Guy V.
Surgery
Instruments
Orthopedic instrumentation
606 86, A61B 1756
Patent
active
058430865
ABSTRACT:
An instrument assembly for removing, as single segments, a mass of previously formed thermoplastic bone cement from a bone in a patient. A first component of the assembly includes an elongate probe having a heater tip assembly provided at one end thereof. A second component of the assembly includes an electrical system for supplying electricity to the aforesaid heater tip assembly when appropriately interconnected for effecting a heating of the heater tip. A releasable connectability of the first and second components facilitates a removal of the second component only to be replaced by a third component, namely, a hammer device so that repeated impact forces can be imparted to the elongate probe and the heater tip assembly of which is embedded in the bone cement until the impact force will cause the bone cement to crack and permit a segment thereof to be removed while being fixedly coupled to the elongate probe.
REFERENCES:
patent: 5041120 (1991-08-01), McColl et al.
patent: 5151099 (1992-09-01), Young et al.
patent: 5462552 (1995-10-01), Kiester
Huyser Richard F.
Monroe Bryan T.
Stratton Dennis A.
Stryker Corporation
Tucker Guy V.
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