Surgery – Instruments – Orthopedic instrumentation
Patent
1996-02-21
1998-02-24
Buiz, Michael
Surgery
Instruments
Orthopedic instrumentation
606 87, 606 86, 606 89, 606 79, A61B 1715
Patent
active
057207526
ABSTRACT:
A distal femoral sizing instrument includes an intramedullary rod for referencing the patient's intramedullary canal. A valgus module mounts to the intramedullary rod at a bore of the valgus. The bore of the module has a slant with respect to the flat reference surface of a valgus block. The module slidably connects to the block. The valgus block, referencing guide and a stylus (for connecting the valgus block and cutting together) are removed as a unit before shaping of the distal femur. An indexing system includes a gauge having a series of openings corresponding to "anterior" referencing and to "posterior" referencing. During anterior referencing, the gauge allows the surgeon to select the next smaller size prosthesis if the size falls in between available sizes. In posterior referencing, the gauge allows the surgeon to select the next larger size prosthesis if the gauge measures a size that falls in between available sizes.
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Elliott Scott
Lackey Jennifer J.
Marik Gregory C.
Schumacher Brian
Tokish, Jr. Leonard J.
Buiz Michael
Shai Daphja
Smith & Nephew Inc.
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