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INSERTABLE ULTRASOUND PROBES, SYSTEMS, AND METHODS FOR THERMAL THERAPY

  • US 20090062697A1
  • Filed: 08/29/2008
  • Published: 03/05/2009
  • Est. Priority Date: 10/25/1999
  • Status: Abandoned Application
First Claim
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1. A method for producing hemostasis, tissue closure, and/or vessel closure following a percutaneous medical procedure wherein an access device is introduced to a patient creating a passageway, said method comprising the step of:

  • a) inserting an introducer sheath transcutaneously into an artery, thereby creating the passageway and an arteriotomy;

    b) inserting a catheter through the passageway and arteriotomy to perform a transcatheter procedure;

    c) inserting a thermal delivery probe into the passageway;

    d) ultrasonically interrogating a section of the passageway using pulsed Doppler;

    e) advancing the thermal delivery probe down the passageway until the pulsed Doppler indicates that the probe is at a pre-determined distance from the arteriotomy;

    f) emitting sufficient thermal energy to the arteriotomy site in order to raise native tissue temperatures; and

    g) inducing tissue and/or blood coagulation at the site.

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