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Steerable medical instrument

  • US 20070282358A1
  • Filed: 05/21/2007
  • Published: 12/06/2007
  • Est. Priority Date: 05/19/2006
  • Status: Abandoned Application
First Claim
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1. A steerable medical instrument comprising:

  • a shaft comprising a proximal end and a distal end;

    an end effector at the distal end of the shaft, said end effector comprising a proximal end and a distal end;

    one or more steering control wires anchored in the end effector such that tension applied to the wire proximal to the anchor point causes deflection of the end effector in the direction that tension is applied; and

    a control handle connected to the proximal end of the shaft;

    wherein a material property of the end effector varies along its length to account for variable bending moments experience by the end effector when tension is applied to the one or more steering control wires.

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