Retractor blade locking mechanism

Details Retractor blade locking mechanism Retractor blade locking mechanism

1998-03-19

1999-04-13

Hirsch, Paul J.

Surgery

Specula

Retractor

600215, 600222, A61B 1702

Patent

active

058938311

ABSTRACT:
An improved retractor blade mounting system for use in surgical instrument retractors. In one embodiment the system includes a mounting clip attached to a retractor blade that engages a longitudinal groove in the retractor arm. To assure a positive tight grip on retractor arm the clip has a tongue that fits a longitudinal groove in a retractor arm and has tapered or angled surface that abuts a sharp edge of the longitudinal groove preventing the blade from moving once installed. In an optional embodiment the mounting clip is provided with a narrower tongue that is constructed with a beveled surface that fits over the corner or edge of the longitudinal groove securely holding the clip on the retractor arm.

REFERENCES:
patent: D361381 (1995-08-01), Koros et al.
patent: 4213451 (1980-07-01), Swenson
patent: 5052373 (1991-10-01), Michalson
patent: 5067477 (1991-11-01), Santangelo
patent: 5231974 (1993-08-01), Giglio et al.
patent: 5616117 (1997-04-01), Dinkler et al.
patent: 5667481 (1997-09-01), Villalta et al.
patent: 5795291 (1998-08-01), Koros et al.

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