Perfusion dilatation catheter

Details Perfusion dilatation catheter Perfusion dilatation catheter

1990-07-02

1992-08-11

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604 53, A61M 2900

Patent

active

051375133

ABSTRACT:
A perfusion-type intravascular catheter having an outer sheath disposed about the catheter body with a sealing element on the distal end of the sheath to seal off the distal end thereof at a location distal to perfusion ports provided in the wall of the catheter body proximal to an expandable working member such as an inflatable balloon whereby blood can be directed through the proximal perfusion ports into an inner lumen extending through the working member and out of perfusion ports provided into the walls of the catheter distal to the expandable working member to ensure that ischemic conditions do not occur distal to the catheter when the working member is expanded to perform a vascular procedure therein.

REFERENCES:
patent: 3889686 (1975-06-01), Duturbure
patent: 3923065 (1975-12-01), Nozick et al.
patent: 4821722 (1989-04-01), Miller et al.
patent: 4857054 (1989-08-01), Helfer

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