Undulating rectal speculum

Details Undulating rectal speculum Undulating rectal speculum

1988-12-22

1990-07-24

Pellegrino, Stephen C.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

100 29, A61M 302

Patent

active

049432850

ABSTRACT:
A rectal speculum for use in conjunction with colonic lavage has an axially undulating exterior surface for defining an annular depression to receive and be gripped by the rectal sphincter muscle upon insertion of the speculum.

REFERENCES:
patent: 2458719 (1949-01-01), McCormick
patent: 4325370 (1982-04-01), Young
patent: 4712536 (1987-12-01), Hawks
patent: 4842580 (1989-06-01), Ouelette

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