Subcutaneous peritoneal injection catheter

Details Subcutaneous peritoneal injection catheter Subcutaneous peritoneal injection catheter

1981-02-17

1983-09-20

Truluck, Dalton L.

Surgery

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

Material introduced into and removed from body through...

604 29, 604175, A61M 2500

Patent

active

044053053

ABSTRACT:
A novel implantable, peritoneal injection catheter apparatus and method, the apparatus including an open top, fluid-receiving reservoir mounted to one end of a hollow stem and a penetrable membrane covering the open top of the receiving reservoir. The hollow stem is configurated to extend into the peritoneal cavity and includes a retaining flange system for retaining the hollow stem in fluid communication with the peritoneal cavity. The penetrable membrane serves as an injection site for inserting a hollow needle into the receiving reservoir. The penetrable membrane also includes a dome configuration that may be depressed to expel injection fluids from the reservoir into the peritoneal cavity. A substantial portion of the injection catheter is covered with a velour coating to accomodate tissue ingrowth for further securement of the catheter in the tissue of the abdominal wall.

REFERENCES:
patent: 3137299 (1964-06-01), Tabor
patent: 3310051 (1967-03-01), Schulte
patent: 3783868 (1974-01-01), Bokros
patent: 3818511 (1974-06-01), Goldberg et al.
patent: 4184497 (1980-01-01), Kolff et al.
patent: 4256102 (1981-03-01), Monaco
Boen et al.-Trans. Amer. Soc. Artificial Inter. Orgs., vol. VIII, 1962, pp. 256-262.

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