Surgical drill guide for tibia

Details Surgical drill guide for tibia Surgical drill guide for tibia

1991-03-04

1992-11-17

Hafer, Robert A.

Surgery

Instruments

Orthopedic instrumentation

606 88, 606103, A61F 504

Patent

active

051639408

ABSTRACT:
The invention comprises arcuate support beam (22) having a drill guide locator (24) and locator probe (28) mounted thereon. The drill guide locator (24) is adapted to hold a cannulated drill sleeve (32) by means of a sleeve locking mechanism (26). The sleeve locking mechanism (26) comprises cam surface trigger lock with an inclined surface (168) and biased plunger member (174, 176). The locator probe (28) is held in place on the support beam (22) by a probe locking mechanism (30). The mechanism (30) has teeth (122) which mate in locking engagement with a series of ribs (40) on the beam (22). Spring biased pins (124) keep the mechanism (30) from engaging the ribs (40) in the unlocked condition.

REFERENCES:
patent: 4672957 (1987-06-01), Hourahane
patent: 4781181 (1988-11-01), Tanguy
patent: 4860742 (1989-08-01), Park
patent: 4883048 (1989-11-01), Purnell
patent: 4920958 (1990-05-01), Walt
patent: 4922897 (1990-05-01), Sapega

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