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Method and apparatus for removing blood clots and other objects

  • US 5,947,995 A
  • Filed: 08/06/1998
  • Issued: 09/07/1999
  • Est. Priority Date: 06/06/1997
  • Status: Expired due to Term
First Claim
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1. An apparatus for removing objects from tubular structures in the human body comprising:

  • a) a catheter having a longitudinal axis, a proximal portion and a distal portion;

    b) said catheter having an inflation lumen extending longitudinally and at least partially therethrough with ports in the proximal and distal portions of the catheter;

    c) an inflatable cuff having an inflation space, said cuff permanently attached near the distal portion of said catheter, said inflation space being in communication with the distal inflation lumen port;

    d) means for inflating and deflating the cuff with inflation material;

    e) a pouch attached to the inflatable cuff for deployment when said cuffs inflated so that objects may be received within said pouch; and

    f) a filament disposed in the inflation space of the cuff, said filament having a portion extending out of the proximal portion of the catheter so that said cuff may be cinched and said pouch closed in a purse string fashion to capture objects within said pouch for removal from the human body.

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