Apparatus and method for a side port cathether adapter with a on

Details Apparatus and method for a side port cathether adapter with a on Apparatus and method for a side port cathether adapter with a on

1991-01-31

1992-03-24

Wilson, John J.

Surgery

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

Treating material introduced into or removed from body...

604246, 604256, A61M 500

Patent

active

050984055

ABSTRACT:
A catheter adapter, with a side port connection, contains a one-piece integral bifunctional resilient combination valve which serves to prevent back flow from the patient. It allows infusion from either the primary axial port or from the side port and provides automatic shut-off when the infusion pressure becomes lower than the ambient pressure in the patient's body from either port.

REFERENCES:
patent: 3385301 (1968-05-01), Harautuneian
patent: 3416567 (1968-12-01), von Dardel et al.
patent: 3572375 (1971-03-01), Rosenberg
patent: 3710942 (1973-06-01), Rosenberg
patent: 4063555 (1977-12-01), Ulinder
patent: 4084606 (1978-04-01), Mittleman
patent: 4106491 (1978-08-01), Guerra
patent: 4871356 (1989-10-01), Haindl et al.

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