Implant delivery system

  • US 9,717,500 B2
  • Filed: 04/15/2010
  • Issued: 08/01/2017
  • Est. Priority Date: 04/15/2009
  • Status: Active Grant
First Claim
Patent Images

1. A delivery system for an implant comprising:

  • an elongated member having a distal end and a proximal end;

    said distal end of said elongated member operable to hold said implant;

    a tether member connectable to said elongated member and to said implant; and

    ,a heating member comprising a resistance-type heater coil that is disposed on said elongated member;

    said heating member having a hollow passage in which at least a portion of said tether member resides;

    a first electrical wire connected at a distal end of said heater coil and a second electrical wire connected at a proximal end of said heater coil, wherein said first electrical wire and said second electrical wire supply direct current between said distal end of said heater coil and said proximal end of said heater coil;

    said hollow passage comprising a first region having a first plurality of loops with a first internal diameter and a second region having a second plurality of loops with a second internal diameter that is different from said first diameter;

    wherein said tether member passes through said first plurality of loops and said second plurality of loops; and

    wherein said second diameter is substantially the same as an outer diameter of said tether member.

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