Surgery – Means for introducing or removing material from body for... – Material introduced into and removed from body through...
Patent
1989-04-27
1991-03-19
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Material introduced into and removed from body through...
604175, 604180, 604280, A61M 3100
Patent
active
050007327
ABSTRACT:
A simple, inexpensive construction, utilizing commonly available plastic ing, hypodermic needle hub, suture materials and cyanoacrylic glue is provided for subcutaneous implantation within a test animal, one of the generally tubular structure being permanently affixed in communication with a selected portion of the gastrointestinal tract consisting essentially of the small intestines, colon, stomach or gut-associated lymphoid tissue (GALT) of the test animal, with the other end of the tubular structrure firmly located behind the head of the test animal for easy access thereto. This invention, following implantation thereof into a test animal, may be readily utilized for the controlled delivery therethrough of multiple doses of one or more selected liquid materials for direct delivery thereof to the gastrointestinal tract of the test animal.
REFERENCES:
patent: 3918456 (1975-11-01), Patel
patent: 4534760 (1985-08-01), Raible
patent: 4569675 (1986-02-01), Prosl et al.
patent: 4692146 (1987-09-01), Hilger
patent: 4699611 (1987-10-01), Bowden
patent: 4756707 (1988-07-01), MacLeod et al.
Banks Ronald E.
Hadick Clayton
Roy Michael
Bellamy Werten F. W.
Cermak Adam J.
Lane Anthony T.
The United States of America as represented by the Secretary of
Yasko John D.
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