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Implantable medical elongated member including a tissue receiving fixation cavity

  • US 9,993,639 B2
  • Filed: 10/31/2006
  • Issued: 06/12/2018
  • Est. Priority Date: 10/31/2006
  • Status: Active Grant
First Claim
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1. An implantable medical elongated member configured to deliver a therapy from a medical device to a target therapy delivery site in a patient, the implantable elongated member comprising:

  • an elongated body extending between a proximal end configured to couple to the medical device and a distal end;

    a vacuum cavity defined by the elongated body and configured to receive vacuum pressure from a vacuum source to draw tissue of the patient into the vacuum cavity, wherein the vacuum cavity defines at least a first opening and a second opening;

    a positive pressure line disposed within the elongated body and connected to the vacuum cavity via the first opening;

    a fixation element disposed within the positive pressure line, wherein the fixation element is configured to enter the vacuum cavity from the positive pressure line through the first opening when a positive pressure is exerted on the fixation element via the positive pressure line; and

    a vacuum channel disposed within the elongated body to couple the vacuum cavity to the vacuum source, wherein the vacuum channel is connected to the vacuum cavity via the second opening,wherein the elongated member comprises a catheter.

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