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Apparatus for deployment of micro-coil using a catheter

  • US 7,198,613 B2
  • Filed: 12/22/2004
  • Issued: 04/03/2007
  • Est. Priority Date: 02/09/2000
  • Status: Expired due to Fees
First Claim
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1. An apparatus for release of a therapeutic device within the vasculature of a patient, comprising:

  • an elongated, flexible pusher member having a distal end;

    an elongated coaxial mandrel disposed in said elongated, flexible pusher member and having a distal portion extending beyond the distal end of the elongated, flexible pusher member;

    a connector fiber connecting the therapeutic device to the pusher member disposed over said distal portion of said elongated coaxial mandrel and having a distal portion extending beyond said distal portion of said elongated coaxial mandrel, the connector fiber being capable of being broken by heat;

    at least one annular collar disposed over said connector fiber and said distal portion of said mandrel and retaining said connector fiber on said mandrel; and

    a heater disposed adjacent to the connector fiber for heating the connector fiber to cause the connector fiber to break and release the therapeutic device and to detach the therapeutic device from the flexible pusher member when a desired placement of the therapeutic device within the vasculature is achieved.

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