Collapsible balloon catheters

Details Collapsible balloon catheters Collapsible balloon catheters

A - Human Necessities

61

M

A61M 25/10 (2006.01) A61L 29/04 (2006.01) A61M 25/00 (2006.01)

Patent

CA 2106845

2106845 9219306 PCTABS00017 A flexible plastic inflatable and collapsible medical dilatation balloon (10) 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 (11) 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.

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