Catheter with exterior tunnel member

Details Catheter with exterior tunnel member Catheter with exterior tunnel member

1990-07-27

1992-01-07

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

606194, A61M 2900

Patent

active

050786857

ABSTRACT:
A vascular catheter comprises an elongated, flexible tubular catheter body. In accordance with this invention, a relatively rigid tunnel member is carried laterally on the catheter body outside of the catheter body. The tunnel member defines an open, non-collapsible, longitudinal passageway for blood flow outside of the catheter body when the vascular catheter is inserted in a blood vessel of a patient.

REFERENCES:
patent: 4183102 (1980-01-01), Guiset
patent: 4289128 (1981-09-01), Rusch
patent: 4581017 (1986-04-01), Sahota
patent: 4762129 (1988-08-01), Bonzel
patent: 4877031 (1989-10-01), Conway et al.
patent: 4909252 (1990-03-01), Goldberger
patent: 4944745 (1990-07-01), Sogard et al.

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