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Retrievable umbrella sieve and method of use

  • US 6,245,088 B1
  • Filed: 08/14/1999
  • Issued: 06/12/2001
  • Est. Priority Date: 07/07/1997
  • Status: Expired due to Fees
First Claim
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1. An umbrella sieve for capturing objects in a blood vessel comprising:

  • an inserter tube being a hollow tube and having a top and inflation line opening;

    an umbrella cap having a lower peripheral circumference edge and an ability to fold like a rain umbrella;

    said umbrella cap having a perforated surface to allow the passage of fluids of the blood vessel;

    said umbrella cap attached to said top of said inserter tube; and

    an inflatable circumfrential balloon attached to said lower peripheral circumference edge for extending said umbrella cap when inflated;

    a first inflation line connected to said circumfrential balloon for inflating said circumfrential balloon, said first inflation line running along an inside of said hollow tube and exiting out said inflation line opening.

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