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Devices, Systems and Methods for Acute or Chronic Delivery of Substances or Apparatus to Extravascular Treatment Sites

  • US 20080058759A1
  • Filed: 10/30/2007
  • Published: 03/06/2008
  • Est. Priority Date: 01/17/2002
  • Status: Abandoned Application
First Claim
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1. A method for delivering a substance or apparatus to an extravascular target site within the body of a human or veterinary patient, said method comprising the steps of:

  • (A) providing a vessel wall penetrating catheter that is insertable into the vasculature of the patient, said vessel wall penetrating catheter having a penetrating member that is advanceable through the wall of a blood vessel in which the catheter body is positioned, said vessel wall penetrating member having a lumen extending longitudinally therethrough;

    (B) inserting the vessel wall penetrating catheter into the vasculature of the patient;

    (C) positioning the vessel wall penetrating catheter within the vasculature of the patient such that the penetrator, when advanced, will pass through the wall of a blood vessel to a location near the target site;

    (D) advancing the penetrator through the wall of a blood vessel and to a location near the target site;

    (E) advancing through the lumen of the penetrator and to the target site, a second apparatus selected from the group consisting of;

    i. an elongate delivery catheter having a lumen through which a substance may be injected or withdrawn;

    ii. an elongate member that comprises a therapeutic apparatus operative to deliver a therapy to the target site;

    iii. an elongate member that comprises an information-obtaining apparatus operative to obtain information from the target site; and

    , iv. possible combinations thereof.

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