Drill guide

Details Drill guide Drill guide

1988-12-27

1990-02-20

Hafer, Robert A.

Surgery

Instruments

Orthopedic instrumentation

606 97, A61F 504

Patent

active

049017110

ABSTRACT:
The present invention is in a drill guide (20) that is for use with and for mounting to a "K" wire (13) that has been fitted through an anterior or posterior cruciate ligament tunnel. The drill guide (20) includes identical parallel rails (21) that are mounted to a stationary bracket (22), essentially at right angles, and are journaled to a traveling bracket (25), the traveling bracket further including set screws (28) to releasably lock it to the rails. The stationary and traveling brackets (22) and (25), respectively, are each isosceles triangular in shape, and each mounts a guide cylinder (23) and (26), respectively, at right angles through their apexes such that longitudinal openings through which guide cylinders are aligned to receive the "K" wire fitted therethrough. A trolley (30) is arranged for travel on rails (21) between the stationary and traveling brackets (22) and (25), and can be releasably locked in place. The trolley mounts a replaceable drill sleeve (36) with a barrel (40) that includes a longitudinal hole (41) formed therethrough wherethrough a drill (44) is turned.

REFERENCES:
patent: 2267157 (1941-12-01), Lippincott
patent: 4257411 (1981-03-01), Cho
patent: 4535768 (1985-08-01), Hourahane et al.
patent: 4573459 (1986-03-01), Litton
patent: 4722331 (1988-02-01), Fox
patent: 4773417 (1988-09-01), Moore et al.
patent: 4781182 (1988-11-01), Purnell et al.
patent: 4784126 (1988-11-01), Hourahane
patent: 4787377 (1988-11-01), Laboureau
Johnson & Johnson, "The AI Guide: Arthroscopic, Isometric ACL Reconstruction", Jan. 1988.

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