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Steerable laser probe

  • US 10,070,923 B2
  • Filed: 08/23/2017
  • Issued: 09/11/2018
  • Est. Priority Date: 07/31/2012
  • Status: Active Grant
First Claim
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1. A laser probe comprising:

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

    an actuation mechanism guide of the handle;

    an actuation mechanism having an actuation mechanism distal end and an actuation mechanism proximal end wherein the actuation mechanism is disposed in the actuation mechanism guide and wherein the actuation mechanism is disposed between a handle end cap and a handle base;

    a proximal chamber of the handle;

    a flexible housing tube housing of the actuation mechanism;

    a plurality of actuation control guides of the handle wherein each actuation control guide of the plurality of actuation control guides has an actuation control guide distal end and an actuation control guide proximal end;

    a plurality of actuation controls wherein each actuation control of the plurality of actuation controls has an actuation control distal end and an actuation control proximal end and wherein each actuation control of the plurality of actuation controls is disposed in an actuation control guide of the plurality of actuation control guides and wherein an actuation of an actuation control of the plurality of actuation controls is configured to actuate each actuation control of the plurality of actuation controls;

    a single flexible housing tube having a flexible housing tube distal end and a flexible housing tube proximal end wherein the flexible housing tube proximal end is disposed in the flexible housing tube housing and wherein the flexible housing tube is fixed in the housing tube housing and wherein the flexible housing tube distal end extends from the handle distal end and wherein the flexible housing tube is manufactured from nitinol having an ultimate tensile strength in a range of 700 to 1000 MPa;

    a cable having a cable distal end and a cable proximal end wherein the cable is disposed in the handle and the flexible housing tube and wherein a portion of the cable is fixed in the flexible housing tube; and

    an optic fiber having an optic fiber distal end and an optic fiber proximal end wherein the optic fiber is disposed in the handle and the flexible housing tube and wherein an actuation of the actuation control of the plurality of actuation controls towards an actuation control guide distal end and away from an actuation control guide proximal end is configured to extend the flexible housing tube relative to the optic fiber proximal end and curve the optic fiber.

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