Median ridge referencing patella cutting system

Details Median ridge referencing patella cutting system Median ridge referencing patella cutting system

1995-09-29

1997-08-19

Buiz, Michael

Surgery

Instruments

Orthopedic instrumentation

606 88, A61B 1756

Patent

active

056582919

ABSTRACT:
A median ridge referencing system and method of use in prosthetic knee implantation surgery is provided. The median ridge referencing system comprises a patella clamp including a guide sleeve having a length and a lumen extending through the length and a referencing device comprising a stop ring and stop plug. The ring may be coupled to the guide sleeve at a plurality of locations along the length of the guide sleeve. The stop plug is removably coupled to the stop ring, and extends into lumen of the guide sleeve until it reaches the bone. The stop ring is then coupled to the guide sleeve and the stop plug is removed. A reamer is inserted into the lumen of the guide sleeve and used to ream the patella until the reamer's stop reaches the top of the stop ring. When the reamer reaches the top of the stop ring, the patella has been reamed to the proper depth for insertion of the patella prosthesis.

REFERENCES:
patent: 5129907 (1992-07-01), Heldreth et al.
patent: 5129908 (1992-07-01), Peterson
patent: 5222955 (1993-06-01), Mikhail
patent: 5284482 (1994-02-01), Mikhail
patent: 5486177 (1996-01-01), Mumme et al.
patent: 5520692 (1996-05-01), Ferrante
patent: 5536271 (1996-07-01), Daly et al.

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