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Thrombolytic filtration and drug delivery catheter with a self-expanding portion

  • US 6,280,413 B1
  • Filed: 07/08/1997
  • Issued: 08/28/2001
  • Est. Priority Date: 06/07/1995
  • Status: Expired due to Fees
First Claim
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1. A catheter comprising:

  • a shaft with a proximal and distal portion, the distal portion comprising longitudinal ribs which in a first position flare beyond the diameter of the shaft;

    means for compressing the longitudinal ribs such that when the means for compressing is released from the longitudinal ribs, the longitudinal ribs flare to the first position; and

    delivery conduits extending longitudinally through the shaft and ribs and at least one port in each rib for a delivered drug or agent to exit each rib.

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