Surgery – Instruments – Orthopedic instrumentation
Patent
1993-06-04
1995-04-04
Pellegrino, Stephen C.
Surgery
Instruments
Orthopedic instrumentation
606 56, A61B 1700
Patent
active
054033195
ABSTRACT:
A system and method for positioning a tool relative to a patient's bone to facilitate the performance of a surgical bone alteration task. The system comprises a bone immobilization device for supporting the bone in a fixed position with respect to a reference structure, and a robot that includes a base fixed in position with respect to the reference structure. The bone imobilization device includes two semicircular frame pieces having a plurality of radial apertures through which bone gripping components adjustably extend in order to contact the bone. The bone gripping components include a shaft with a point inserted through a shaft bore of a serrated bone contact element. A support attaches to the frame to adjustably secure and position the frame relative to the reference structure.
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Baumgarten Donald C.
Garbini Joseph L.
Matsen, III Frederick A.
Pratt Brian S.
Sidles John A.
Board of Regents of the University of Washington
Dawson Glenn K.
Pellegrino Stephen C.
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