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Steerable laser probe

  • US 9,351,876 B1
  • Filed: 11/17/2015
  • Issued: 05/31/2016
  • Est. Priority Date: 05/10/2012
  • Status: Active Grant
First Claim
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1. An instrument comprising:

  • a handle having a handle distal end and a handle proximal end;

    a handle base of the handle;

    an actuation structure of the handle;

    a plurality of actuation arms of the actuation structure wherein each actuation arm of the plurality of actuation arms has an extension mechanism and an inverted actuation joint;

    an actuation platform of the handle having an actuation platform distal end and an actuation platform proximal end, the actuation platform at least partially disposed in the actuation structure;

    an optic fiber draw sleeve housing of the actuation platform wherein the optic fiber draw sleeve housing is disposed between the actuation platform distal end and the actuation platform proximal end;

    a housing tube platform of the handle;

    an optic fiber draw sleeve guide of the housing tube platform;

    a housing tube having a housing tube distal end and a housing tube proximal end wherein the housing tube proximal end is disposed in the optic fiber draw sleeve guide;

    a first housing tube portion of the housing tube, the first housing tube portion having a first stiffness;

    a second housing tube portion of the housing tube, the second housing tube portion having a second stiffness wherein the second stiffness is greater than the first stiffness;

    an optic fiber draw sleeve having an optic fiber draw sleeve distal end, an optic fiber draw sleeve proximal end, and an optic fiber draw sleeve flexible portion of a distal portion of the optic fiber draw sleeve wherein the optic fiber draw sleeve proximal end is disposed in the optic fiber draw sleeve housing and the optic fiber draw sleeve distal end is disposed in the housing tube wherein the optic fiber draw sleeve flexible portion is adjacent to the first housing tube portion; and

    an optic fiber having an optic fiber distal end and an optic fiber proximal end, the optic fiber disposed in an inner bore of the handle, the optic fiber draw sleeve, and the housing tube wherein the optic fiber distal end extends from the optic fiber draw sleeve distal end and wherein the optic fiber distal end is adjacent to the housing tube distal end.

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