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Universal, programmable guide catheter

  • US 7,261,686 B2
  • Filed: 12/30/2005
  • Issued: 08/28/2007
  • Est. Priority Date: 06/21/2002
  • Status: Expired due to Fees
First Claim
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1. A guide catheter apparatus, comprising:

  • (a) a guide catheter portion comprising a plurality of electroactive polymer actuators disposed along its axial length, said actuators changing guide catheter portion shape based upon received control signals, wherein each of said electroactive polymer actuators comprises (a) an active member portion, (b) a counter-electrode portion and (c) a region comprising an electrolyte, wherein said active portion, said counter-electrode portion and said region comprising an electrolyte are disposed between one or more substrate layers and a barrier layer, wherein said substrate layer is in the shape of a tube, said guide catheter portion further comprising a plurality of strained gauges attached to one or more substrate layers in the shape of a tube; and

    (b) a control unit coupled to said plurality of actuators and sending said control signals to said plurality of actuators.

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