Method and apparatus for removing blood clots and other objects

Surgery – Instruments – Internal pressure applicator

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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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