Dispensing instrument

Details Dispensing instrument Dispensing instrument

1975-01-24

1978-11-21

Yasko, John D.

Surgery

Respiratory method or device

Ozone or ion generation

128349B, A61M 100

Patent

active

041261348

ABSTRACT:
A dispensing instrument and method for simultaneously injecting fluids, as drug materials, into the canals of the Fallopian tubes of a female primate. The dispensing instrument has a body accommodating a container for storing the drug materials. An elongated member carrying an expandable balloon is mounted on the body. A sheath encloses the elongated member and balloon. The sheath is attached to a tubular needle which extends through the elongated member. A releasable lock holds both the sheath and needle in assembled relation with the body. A plunger moves the container into dispensing relation with the needle whereby the fluid in the container is carried via the needle into the uterine cavity. The fluid flows into the canals of the Fallopian tubes. The expandable member is subjected to fluid under pressure. The fluid is continuously monitored to maintain a continuous and uniform low pressure on the expanded balloon.

REFERENCES:
patent: 2541520 (1951-02-01), Kegel
patent: 2696212 (1954-12-01), Dunmire
patent: 2854982 (1958-10-01), Pagano
patent: 3211151 (1965-10-01), Foderick et al.
patent: 3380448 (1968-04-01), Sadove et al.
patent: 3394705 (1968-07-01), Abramson
patent: 3401689 (1968-09-01), Greenwood
patent: 3422813 (1969-01-01), Braley, Jr. et al.
patent: 3448739 (1969-06-01), Stark et al.
patent: 3459175 (1969-08-01), Miller
patent: 3640268 (1972-02-01), Davis
patent: 3680542 (1972-08-01), Cimber
"The Effect of Methyl Cyanoacrylate Tissue Adhesive on the Human Fallopian Tube and Endometrium," by Stevenson, et al., The Journal of Obstetrics and Gynaecology of the British Commonwealth, Nov. 1972, vol. 79, pp. 1028-1039.

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