Locking adjustable speculum

Details Locking adjustable speculum Locking adjustable speculum

1978-05-01

1979-05-29

Pellegrino, Stephen C.

Surgery

Truss

Perineal

128 20, 128341, A61B 106, A61B 1702

Patent

active

041564243

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 the orifice 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 rotation with respect to the shaft. The distance between the distal ends of the dilating members is also rotatably adjustable.

REFERENCES:
patent: 605652 (1898-06-01), Pitt
patent: 1222478 (1917-04-01), Sheaff
patent: 1230873 (1917-06-01), Crossley
patent: 1706500 (1929-03-01), Smith
patent: 1780912 (1930-11-01), Gau
patent: 3196865 (1965-07-01), Rose

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