Low profile perfusion-type dilatation catheter

Details Low profile perfusion-type dilatation catheter Low profile perfusion-type dilatation catheter

1993-01-15

1994-01-18

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

606194, A61M 2500

Patent

active

052795624

ABSTRACT:
A balloon dilatation catheter which has a coiled supporting element disposed within a guidewire receiving inner lumen extending within the interior of the balloon. Substantially lower profiles can be obtained with catheters of this type, particularly with perfusion-type dilatation catheters with little chance that the inner member will collapse when the balloon is inflated to high pressures. Additionally, the coiled supporting element provides much smoother transitions at the ends of the balloon and thereby improves the trackability of the catheter over a guidewire.

REFERENCES:
patent: 3915171 (1975-10-01), Shermeta
patent: 4737153 (1988-04-01), Shimamura et al.
patent: 4748982 (1988-06-01), Horzewski et al.
patent: 4892519 (1990-01-01), Songer et al.
patent: 4925445 (1990-05-01), Sakamoto et al.
patent: 4944745 (1990-07-01), Sogard et al.
patent: 4990143 (1991-02-01), Sheridan

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