Fluid draining system

Details Fluid draining system Fluid draining system

1978-02-22

1980-08-05

Pellegrino, Stephen C.

Surgery

Truss

Pad

128231, A61M 100, A61M 2700

Patent

active

042156955

ABSTRACT:
An improved cerebrospinal fluid draining system adapted for insertion into the human body in order to control fluid flow passage of the cerebrospinal fluid from an area in the vicinity of the brain to a remote point of the body. The cerebrospinal fluid drain system includes a longitudinally extended sleeve member having a through opening in fluid communication with a catheter extending into the brain area of the body. A check valve mechanism having an inlet opening is in fluid communication with the sleeve member for receiving the fluid and includes an outlet passage for egressing fluid inserted under pressure into the check valve mechanism. The check valve mechanism includes a hinge element formed at a predetermined location to allow opening of the outlet passage responsive to a predetermined fluid pressure value and to further reliably close the outlet passage when the fluid pressure is less than some predetermined value.

REFERENCES:
patent: 2969066 (1961-01-01), Holter et al.
patent: 3566875 (1971-03-01), Stoehr
patent: 3683929 (1972-08-01), Holter

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