Tibial spacer saw guide

Details Tibial spacer saw guide Tibial spacer saw guide

1993-07-29

1994-11-15

Graysay, Tamara L.

Surgery

Instruments

Orthopedic instrumentation

606 96, A61B 1700

Patent

active

053644026

ABSTRACT:
A tibial spacer saw guide for guiding the resection of a bony defect of the lateral or medial condyle of the proximal tibia to accommodate a spacer to be implanted beneath a tibial baseplate of a tibial prosthesis. The saw guide includes a plate having a plurality of locating holes corresponding in spacing and location to pins extending from the inferior surface of the tibial baseplate. The plate has medial and lateral guide edges for guiding a sagittal osteotomy where the guide edges are located relative to the locating holes, and thus relative to the pegs of the tibial baseplate. The saw guide also includes an anterior block extending from the plate and having a plurality of slots for guiding a horizontal osteotomy for the spacer of selected depth. The plate rests on an initially resected surface, and thus the horizontal osteotomy for the spacer is located relative to the initial osteotomy surface. The block is repositionable relative to the plate such that the saw guide can be used for both medial and lateral spacers of both the left and right tibias.

REFERENCES:
patent: 4892093 (1990-01-01), Zarnowski et al.
patent: 4963152 (1990-10-01), Hofmann et al.
patent: 5122144 (1992-06-01), Bert et al.

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