Valved two-way catheter

Details Valved two-way catheter Valved two-way catheter

1983-05-03

1985-10-29

Truluck, Dalton L.

Surgery

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

Treating material introduced into or removed from body...

604 9, A61M 2500

Patent

active

045498792

ABSTRACT:
Catheter of soft, flexible material is formed with closed end. Fluid opening formed by single slit through tubing wall of such length that valve will open only upon application of predetermined pressure differentials. Removable stiffener member is positioned in catheter, abutting closed end to push catheter into body vessel when inserting.

REFERENCES:
patent: 2393003 (1946-01-01), Smith
patent: 3020913 (1962-02-01), Heyer
patent: 3128769 (1964-04-01), Scislowicz
patent: 3885561 (1975-05-01), Cami
patent: 4434810 (1984-03-01), Atkinson
patent: 4475898 (1984-10-01), Brodner et al.

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