Apparatus for dilating a body cavity

Details Apparatus for dilating a body cavity Apparatus for dilating a body cavity

1989-04-11

1991-02-19

Hafer, Robert A.

Surgery

Instruments

Internal pressure applicator

606192, 606193, A61M 2900

Patent

active

049940708

ABSTRACT:
A vaginal speculum has a sheet member of inherently resilient material capable of being rolled into a normal position in which the member forms a narrow generally elongate shape. The sheet member is expandable under its inherent resilience to a dilated position in which the member forms a hollow generally open ended elongate shape having a substantially continuous sidewall. The sheet member is provided with first and second handle members which are atttached to the sheet member along left and right edges, respectively.

REFERENCES:
patent: 3077194 (1963-02-01), Walden et al.
patent: 3192928 (1965-07-01), Horton
patent: 3841318 (1974-10-01), Olson
patent: 4237893 (1980-12-01), Michaels
patent: 4562832 (1986-01-01), Wilder et al.
patent: 4740207 (1988-04-01), Kreamer
European published application 0043218 (Appl. 81302797.6, filed Jun. 22, 1981).

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