Method and instruments for resection of the patella

Details Method and instruments for resection of the patella Method and instruments for resection of the patella

1990-01-23

1992-07-14

Hafer, Robert A.

Surgery

Instruments

Orthopedic instrumentation

606 86, A61B 1756

Patent

active

051299089

ABSTRACT:
Disclosed is a method of performing surgery to resect the patella for the purpose of installation of a patellar prosthesis, along with instruments used in such surgery. The instruments include a combined clamping device and reaming guide which when clamped about the patella provides a guide for reaming the surface thereof as well as a limit stop device designed to prevent reaming the patella too deeply. The instruments also include a reaming device designed to ream an annulus of material from the patella, leaving a central raised portion for fixation of a patellar prosthesis.

REFERENCES:
patent: D273326 (1984-04-01), Peterson et al.
patent: 339526 (1886-04-01), Butterworth
patent: 2291413 (1942-07-01), Siebrandt
patent: 2427128 (1947-09-01), Ettinger
patent: 2698483 (1955-01-01), Berkowitz
patent: 4312337 (1982-02-01), Donohue
patent: 4444180 (1984-04-01), Schneider et al.
patent: 4565192 (1986-01-01), Shapiro
patent: 4586497 (1986-05-01), Dapra et al.
patent: 4633862 (1987-01-01), Petersen
patent: 4706660 (1987-11-01), Petersen
Dow Corning Wright Publication titled "We're Pushing all the Wright Buttons".
Richards Catalogue Pages for Patella Reamer Guide and Associated Instruments.
Dow Corning Wright Publication titled "Whiteside Ortholoc II Total Knee System".
Depuy Literature Showing Patellar Clamp and Reamer.
Biomet, Inc. Literature Showing Patellar Instruments.

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