One-piece disposable speculum

Details One-piece disposable speculum One-piece disposable speculum

1990-01-26

1990-10-30

Grieb, William H.

Surgery

Truss

Perineal

A61B 130

Patent

active

049661302

ABSTRACT:
A disposable speculum made of a unitary molded plastic construction. Upon folding, a pair of elongated members form opposing jaws or blades which are pivotally attached to a central ring. A handle portion is formed on an end of the lower blade and can be used to insert the speculum into a body cavity. Once inside a body opening, the opening can be dilated by pushing forward on the upper blade to elevate the upper blade from the lower blade of the speculum. The blades can be adjustably held at a desired opening size by support rods formed near the handle end of the speculum.

REFERENCES:
patent: D232779 (1974-09-01), Olson
patent: 325647 (1885-09-01), Baily
patent: 832201 (1906-10-01), Kistler
patent: 3246646 (1966-04-01), Murphy, Jr.
patent: 3528409 (1970-09-01), Bruder
patent: 3716047 (1973-02-01), Moore et al.
patent: 3736919 (1973-06-01), Cotey
patent: 3745992 (1973-07-01), Poirier
patent: 3769980 (1973-11-01), Karman
patent: 3835843 (1974-09-01), Karman
patent: 3841318 (1974-10-01), Olson
patent: 3890961 (1975-06-01), Moore et al.
patent: 4432351 (1984-02-01), Hoary
patent: 4766887 (1988-08-01), Cecil, Jr. et al.
patent: 4854300 (1989-08-01), Corbo

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