Method and apparatus for removing blood clots and other objects

Details Method and apparatus for removing blood clots and other objects Method and apparatus for removing blood clots and other objects

1998-08-06

1999-09-07

Buiz, Michael

Surgery

Instruments

Internal pressure applicator

A61M 2900

Patent

active

059479957

ABSTRACT:
A catheter has a central lumen so that it may be positioned by a guidewire within a tubular structure of the human body. The catheter has attached to its distal end an inflatable cuff featuring an inflation space with a ring-like cross section. A pouch is circumferentially attached to the cuff The catheter features an inflation lumen that is in communication with the inflatable cuff. The proximal port of the inflation lumen receives a syringe so that the cuff may be inflated when the cuff and pouch are positioned within a tubular structure. A filament passes through the inflation space of the cuff and the inflation lumen and exits the proximal port of the inflation lumen. As a result, the cuff may be cinched so that the pouch is closed in a purse-string fashion to capture an object in the tubular structure. The object may then be removed from the patient's body.

REFERENCES:
patent: 5053008 (1991-10-01), Bajaj
patent: 5769816 (1998-06-01), Barbut et al.
patent: 5814064 (1998-09-01), Daniel et al.
patent: 5827324 (1998-10-01), Cassell et al.

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