Inflatable speculum

Details Inflatable speculum Inflatable speculum

1994-10-12

1996-08-13

Apley, Richard J.

Surgery

Specula

Retractor

600186, 600195, 600203, 600207, 604 98, 604104, 606193, A61B 132

Patent

active

055451225

ABSTRACT:
A speculum comprises a pair of elongated blades having elongated hollow bills therein. Each bill is at least partly covered by a flexible expandable bladder. One or more ports communicate between the interior of each bill and the interior of the bladder. Gas lines are connected to each bill for supplying compressed gas to a valve to each bill to expand each bladder. A second valve can be activated for deflating each bladder. For use, the speculum blades are inserted into a body cavity and the bladders inflated to gently expand the body cavity. Blades can then be moved apart to perform an examination. When the examination is completed, the blades are moved toward each other and the bladders are deflated before the blades are withdrawn from the body cavity.

REFERENCES:
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patent: 3332414 (1967-07-01), Gasper
patent: 3575163 (1971-04-01), Gasper
patent: 3720199 (1973-03-01), Rishton et al.
patent: 3841317 (1974-10-01), Awais
patent: 3900033 (1975-08-01), Leininger et al.
patent: 4884559 (1989-06-01), Collins
patent: 5007409 (1991-04-01), Pope
patent: 5072720 (1991-12-01), Francis et al.
patent: 5179937 (1993-01-01), Lee
patent: 5231973 (1993-08-01), Dickie
patent: 5236437 (1993-08-01), Wilk et al.
patent: 5250074 (1993-10-01), Wilk et al.
patent: 5329937 (1994-07-01), Krstevich et al.

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