Valved arterial catheter

Details Valved arterial catheter Valved arterial catheter

1991-03-04

1992-09-15

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604247, 604280, A61M 532

Patent

active

051473186

ABSTRACT:
A catheter for arterial delivery of medication or the like includes an elongate flexible shaft with a self-sealing valve element at the distal tip of the shaft. The tip is molded from polymeric material filled with a radiopaque compound and is visually dark to facilitate surgical implantation. The value element also includes a pair of closely spaced circumferential retention ridges to facilitate securing the device in an artery by sutures or the like. Retention ridges are located very close to each other to reduce the risk of axial shifting of the device in the artery and are located close to the distal tip of the tip element to reduce the formation of spaces in which thrombus might develop.

REFERENCES:
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patent: 4434810 (1984-03-01), Atkinson
patent: 4657536 (1987-04-01), Dorman
patent: 4685905 (1987-08-01), Jeanneret nee Aab
patent: 4701166 (1987-10-01), Groshong et al.
patent: 4784646 (1988-11-01), Feingold
patent: 4801297 (1989-01-01), Mueller
patent: 5030210 (1991-07-01), Alchas

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