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Steerable laser probe

  • US 9,216,111 B2
  • Filed: 08/23/2013
  • Issued: 12/22/2015
  • Est. Priority Date: 09/24/2012
  • 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;

    an actuation control mount of the handle having an actuation control mount distal end and an actuation control mount proximal end, the actuation control mount disposed within a handle inner portion of the handle wherein the actuation control mount distal end is disposed between the handle distal end and the actuation control mount proximal end and the actuation control mount proximal end is disposed between the actuation control mount distal end and the handle proximal end;

    a single flexible housing tube having a flexible housing tube distal end and a flexible housing tube proximal end, the flexible housing tube having dimensions configured to perform ophthalmic surgical procedures, the flexible housing tube having an ultimate tensile strength in a range of 700 to 1000 MPa;

    an optic fiber having an optic fiber distal end and an optic fiber proximal end, the optic fiber disposed in the flexible housing tube and the handle inner portion wherein the optic fiber is fixed within the flexible housing tube and the optic fiber distal end is adjacent to the flexible housing tube distal end;

    an auto-fixing component disposed in an auto-fixing component housing of the handle wherein the auto-fixing component is configured to produce a magnetic field;

    an actuation control of the handle having an actuation control distal end, an actuation control proximal end, an actuation control anterior end, an actuation control posterior end, and a fixation pin guide; and

    a fixation pin disposed in the fixation pin guide and the actuation control mount wherein a rotation of the actuation control within the actuation control mount about the fixation pin in a first direction is configured to gradually curve the optic fiber and wherein a rotation of the actuation control within the actuation control mount about the fixation pin in a second direction is configured to gradually straighten the optic fiber.

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