Vaginal specula

Details Vaginal specula Vaginal specula

1999-02-18

1999-12-07

Hirsch, Paul J.

Surgery

Specula

Retractor

600222, A61B 132, A61M 2900

Patent

active

059974745

ABSTRACT:
A vaginal speculum has two hinged arms forming jaws at one end, and handles at the opposite end. A locking bar of a soft plastics material is pivotally mounted at one end on one of the handles, its other end projecting through an aperture in the other handle. The aperture has two portions of the aperture of different widths. One portion is wider than the locking bar, so that the bar can slide freely through the aperture to enable the separation of the jaws to be adjusted. The other portion of the aperture is slightly narrower than the locking bar so that the bar can be pushed into this narrower portion at any separation of the jaws to lock the arms in position.

REFERENCES:
patent: 1090746 (1914-03-01), Nourse
patent: 2672859 (1954-03-01), Jones
patent: 3528409 (1970-09-01), Bruder
patent: 4385626 (1983-05-01), Danz
patent: 4899734 (1990-02-01), Gelley
patent: 5179937 (1993-01-01), Lee

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