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Endovascular embolic device detachment detection method and apparatus

  • US 5,669,905 A
  • Filed: 07/11/1995
  • Issued: 09/23/1997
  • Est. Priority Date: 03/03/1994
  • Status: Expired due to Term
First Claim
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1. An implant detachment detection system comprising:

  • an implant suitable for implanting in a mammal;

    a delivery member for delivering the implant to a selected site in the mammal;

    a link coupling said delivery member to said implant;

    a power supply circuit for supplying DC power with AC power superposed thereon;

    a conductive path, said power supply circuit and link being in said path; and

    an AC impedance monitoring circuit coupled to said path.

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