Cervical dilator

Details Cervical dilator Cervical dilator

1975-04-02

1977-04-19

Pace, Channing L.

Surgery

Truss

Pad

A61M 2900

Patent

active

040182304

ABSTRACT:
A cervical dilator is formed of a mushroom shaped elastic sack having inelastic members embedded therein configured to maintain the general shape and limit the size of the sack during expansion under internal pressure.
The dilator is inserted with the head portion folded and fluid is introduced to unfold it and expand it.

REFERENCES:
patent: 157343 (1874-12-01), Molesworth
patent: 899477 (1908-09-01), Williams
patent: 2701559 (1955-02-01), Cooper
patent: 3626949 (1971-12-01), Shute

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