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Remote steering system for medical catheter

  • US 5,279,559 A
  • Filed: 03/06/1992
  • Issued: 01/18/1994
  • Est. Priority Date: 03/06/1992
  • Status: Expired due to Fees
First Claim
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1. A thermal energy responsive surgical device insertable into the body of a patient, the device comprising:

  • a generally cylindrical flexible member comprising a first non-metallic material having a coefficient of thermal expansion;

    at least one strip formed from a second non-metallic material, said strip being bonded to said flexible member, said second non-metallic material having a coefficient of thermal expansion greater than that of said first non-metallic material; and

    a supply system for supplying thermal energy to said second non-metallic material strip from a position remote therefrom to effect expansion of said second non-metallic material strip and a change in angular configuration of said flexible member.

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