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Catheter with filtering and sensing elements

  • US 8,876,754 B2
  • Filed: 08/31/2006
  • Issued: 11/04/2014
  • Est. Priority Date: 08/31/2006
  • Status: Expired due to Fees
First Claim
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1. An apparatus for infusing a therapeutic agent into a body lumen, the apparatus comprising:

  • a multiple coaxial catheter assembly comprising a first lumenal body;

    a second lumenal body extending beyond the first lumenal body, said second lumenal body having at least one infusion port for infusing the therapeutic agent into the body lumen;

    a third lumenal body extending beyond the second lumenal body;

    a sensing element attached to the third lumenal body distal of the at least one infusion port and adapted to sense an amount of infused therapeutic agent or any compound derived from the therapeutic agent in the body lumen;

    a sensing element signal produced by the sensing element; and

    a feedback component associated with the sensing element and adapted to provide the sensing element signal to a location outside of the body lumen.

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