Hydrodynamic device for the elimination of an organic deposit ob

Details Hydrodynamic device for the elimination of an organic deposit ob Hydrodynamic device for the elimination of an organic deposit ob

1989-06-08

1992-08-04

Thaler, Michael H.

Surgery

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

With means for cutting, scarifying, or vibrating tissue

606128, 606159, A61B 1722

Patent

active

051354829

ABSTRACT:
A device and method for removal of organic deposit obstructions in blood vessels by use of a supersonic microjet liquid flow for canalizing the organic deposit obstruction to be removed. The device has a bendable tube insertable into a blood vessel in which an obstruction is to be removed. Within the tube extends a pressure-resistant duct having an outlet or nozzle orifice developed therein by a liquid under pressure provided from a pump. A small collapsable balloon, when inflated, centers the outlet and isolates a volume within the blood vessel upstream of the outlet for containing the microjet fluid and matter from the obstruction eroded and abraded from the deposit during canalizing. The volume is evacuated by a suction on the tube taken by a pump and the small balloon is inflated through the bendable tube with which it communicates.

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