Locking adjustable speculum

Details Locking adjustable speculum Locking adjustable speculum

1978-11-08

1981-04-28

Michell, Robert W.

Surgery

Truss

Perineal

128 20, 128341, A61B 106, A61B 1702

Patent

active

042638992

ABSTRACT:
An adjustable speculum includes a base rotatably supporting a pair of shafts, and a pair of dilating members. Each dilating member has a distal end for contacting and restraining a wall of an orifice or incision and a proximal end for detachably engaging a respective shaft. The base includes a mechanism for adjusting the distance between the shafts whereby the distance between the proximal ends of the dilating members is adjustable. Each shaft includes a portion for preventing the dilating member from rotating with respect to the shaft. The distance between the distal ends of the dilating members is also adjustable.

REFERENCES:
patent: 281880 (1883-07-01), Hubbell
patent: 605652 (1898-06-01), Pitt
patent: 1230873 (1917-06-01), Crossley
patent: 1706500 (1929-03-01), Smith
patent: 2247258 (1941-06-01), Shepard
patent: 2977958 (1961-04-01), Seiger
patent: 3035582 (1962-05-01), Seiger
patent: 3664330 (1972-05-01), Deutsch
patent: 3749088 (1973-07-01), Gauthier
patent: 3762400 (1973-10-01), McDonald
patent: 3796214 (1974-03-01), Davis
patent: 3890960 (1975-06-01), Wunsch nee Kuhn et al.
patent: 3965890 (1976-06-01), Gauthier
patent: 4037588 (1977-07-01), Heckele

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