Surgery – Instruments – Orthopedic instrumentation
Patent
1992-07-08
1994-08-30
Hafer, Robert A.
Surgery
Instruments
Orthopedic instrumentation
606 87, A61F 504
Patent
active
053423682
ABSTRACT:
An intramedullary universal proximal tibial resector guide is disclosed which combines several unique features together to provide an extremely versatile instrument. The inventive guide includes structure allowing anterior-posterior adjustment, medial-lateral adjustment, posterior slope adjustment and vertical adjustment. The design of the precision slot of the present invention best facilitates resection of the proximal tibia beneath the patellar fat pad. The vertical adjustment utilizes a micrometer-type actuator to allow precise adjustment of the appropriate cutting depth. Deep grooves on the intramedullary rod facilitate decompression of the intramedullary fat. The resector cutting head may be removed from the rest of the instrument in an easy one-step procedure leaving the resector cutting head in place ready to receive a surgical resection cutting blade.
REFERENCES:
patent: 4567886 (1986-02-01), Petersen
patent: 4759350 (1988-07-01), Dunn
patent: 4945904 (1990-08-01), Bolton
patent: 4952213 (1990-08-01), Bowman
patent: 5049149 (1991-09-01), Schmidt
patent: 5053039 (1991-10-01), Hofmann
patent: 5211645 (1993-05-01), Baumgart
patent: 5228459 (1993-07-01), Caspari
Hafer Robert A.
Kenealy David
Spiegel H. Jay
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