Disc valve for a catheter

Details Disc valve for a catheter Disc valve for a catheter

1992-07-24

1993-09-07

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604256, A61M 5178

Patent

active

052424138

ABSTRACT:
A valve element adapted to be positioned in the infeed for a catheter is disclosed. By slits in Y arrangement relative to each other, an automatically closable passage opening is formed therein. The passage is especially easy to locate for the catheter tip due to the fact that the valve element is provided on its proximal side with a truncated cone-shaped recess. In addition, due to the recess the flexibility of the gussets of material defined by the slits is enhanced, which gussets sealingly hug the outside of the catheter when the catheter is present The distal face of the valve may be provided also with a truncated cone-shaped recess.

REFERENCES:
patent: 4655752 (1987-04-01), Honkanen et al.
patent: 4705511 (1987-11-01), Kocak
patent: 5114408 (1992-05-01), Fleischhaker et al.

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