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Active catheter device and associated system and method

  • US 9,789,286 B2
  • Filed: 03/16/2016
  • Issued: 10/17/2017
  • Est. Priority Date: 03/28/2011
  • Status: Active Grant
First Claim
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1. An active catheter device, comprising:

  • an elongate catheter having multiple segments, including;

    an elongate flexible tube member defining an axis;

    a plurality of ferrule members operably engaged with the tube member, in successive spaced apart relation with respect to each other, such that the ferrule members are positioned at the ends of each segment and are not rotatable about the axis relative to each other; and

    at least one articulation member operably engaged with and extending between adjacent ferrule members of a first segment along the tube member configured to be actuatable to cause a change in a distance between the adjacent ferrule members so as to articulate the first segment of the tube member; and

    at least one articulation member operably engaged with and extending between a pair of non-adjacent ferrule members spanning more than one segment, including spanning the first segment and an adjacent segment, the tube member configured to be actuatable to cause a change in a distance between the pair of non-adjacent ferrule members so as to articulate the segments, including further articulation of the first segment.

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