Angioplasty perfusion catheter

Details Angioplasty perfusion catheter Angioplasty perfusion catheter

1996-06-26

1997-07-01

Hafer, Robert A.

Surgery

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

Treating material introduced into or removed from body...

604 96, 606191, 606192, 606194, A61M 2900

Patent

active

056432100

ABSTRACT:
The catheter comprises a perfusion catheter, a balloon connected by its distal end to a conduit and by its proximal end to an inflating tube, a guide wire inside the conduit, a dilator member in the perfusion catheter around the conduit and with a tapered front portion, and side orifices in the walls of the perfusion catheter and of the conduit before the balloon to allow blood flow. Upon usage, only the guide wire and conduit dragging the deflated balloon are inserted into the stenosis, the balloon is then inflated a short while to break the stenosis and thereafter deflated to permit insertion of the perfusion catheter therein by means of the dilator member; the dilator member and guide wire are then withdrawn and the balloon is re-inflated for supporting the vessel wall.

REFERENCES:
patent: 4892519 (1990-01-01), Songer et al.
patent: 4983167 (1991-01-01), Sahota
patent: 5024658 (1991-06-01), Kozlov et al.
patent: 5046503 (1991-09-01), Schneiderman
patent: 5108370 (1992-04-01), Walinsky
patent: 5137513 (1992-08-01), McInnes et al.
patent: 5181911 (1993-01-01), Shturman
patent: 5284473 (1994-02-01), Calabria
patent: 5370617 (1994-12-01), Sahota
patent: 5378237 (1995-01-01), Boussignac et al.

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