Instrument and method of tubal insufflation

Details Instrument and method of tubal insufflation Instrument and method of tubal insufflation

1985-07-05

1986-09-16

Howell, Kyle L.

Surgery

Truss

Pad

A61B 1500

Patent

active

046116028

ABSTRACT:
A gaseous dispensing instrument and method for dispensing carbon dioxide gas into the fallopian tube canals of a female is disclosed. The instrument uses a manually operable pump vented to the atmosphere that communicates with a balloon secured to the end of a cannula. Upon insertion of the deflated balloon and cannula through the cervical opening into the uterine cavity, the balloon is expanded and partially withdrawn against the inner walls of the uterine cavity to seal the same. A chamber is charged with carbon dioxide, and upon the balloon being in place in the uterine cavity, gas is released into the uterine cavity and fallopian tube canals through a separate passage in the cannula. After a given period of time, a patency indicator indicating the ratio of carbon dioxide remaining in the chamber compared with the volume introduced therein, indicates and measures any flow of carbon dioxide from the uterine cavity through the fallopian tube canals and informs the operator of the patency of the fallopian tube canals.

REFERENCES:
patent: 2441237 (1948-05-01), Davies

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