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Apparatus and method for retaining a catheter in a blood vessel in a fixed position

  • US 6,071,263 A
  • Filed: 06/07/1995
  • Issued: 06/06/2000
  • Est. Priority Date: 03/02/1992
  • Status: Expired due to Fees
First Claim
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1. A catheter adapted for insertion into a blood vessel having blood flowing therethrough, comprising:

  • a catheter having a distal end, a proximal end, a tip and an internal passageway for permitting fluids to pass through the catheter; and

    a tip immobilizing means located at the distal end of the catheter for anchoring the distal end of the catheter within the blood flow to maintain the tip of the catheter in a spaced relationship from a blood vessel wall and to prevent the tip of the catheter from contacting a wall of the blood vessel without substantially obstructing fluid flow of blood through the blood vessel, such that catheter failure due to stenosis or thrombosis at the catheter distal end if reduced.

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