Collapsible balloon catheters

Details Collapsible balloon catheters Collapsible balloon catheters

1991-04-26

1993-03-23

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

606194, A61M 2902

Patent

active

051959704

ABSTRACT:
A flexible plastic inflatable and collapsible medical dilatation balloon and balloon catheter wherein the internal surface of the balloon has been formed with a longitudinal geometry that prevents a flat collapsed configuration of the balloon. The internal surface of the balloon is imparted with a small raised rib configuration, which maintains a minimal contact with the internal surface of the balloon, so that the ribs remain in place along the length of the balloon. The geometry so formed on the internal surface of the balloon also increases the pressures the balloon would normally withstand when the balloon is inflated to dilate a vein or artery. The internal surface geometry can be manufactured by extrusion methods.

REFERENCES:
patent: 2248934 (1941-07-01), Auzin
patent: 4796629 (1989-01-01), Grayzel
patent: 4941877 (1990-07-01), Montano, Jr.

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