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Steerable laser probe

  • US 10,709,609 B2
  • Filed: 01/02/2018
  • Issued: 07/14/2020
  • Est. Priority Date: 11/03/2011
  • Status: Active Grant
First Claim
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1. An ophthalmic laser probe comprising:

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

    an actuation channel of the handle having an actuation channel distal end and an actuation channel proximal end;

    an inner bore of the handle;

    a single housing tube having a housing tube distal end and a housing tube proximal end wherein the housing tube is at least partially disposed in the handle;

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

    a plurality of apertures of the first housing tube portion wherein at least two apertures of the plurality of apertures are configured to separate at least one solid portion of the housing tube;

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

    a wire having a wire distal end and a wire proximal loop wherein the wire is disposed in the inner bore of the handle and the housing tube and wherein the wire distal end is adjacent to the housing tube distal end, the wire proximal loop being connected to a pulley mechanism of the handle;

    an actuation lever having an actuation lever distal end and an actuation lever proximal end wherein the actuation lever is at least partially disposed in the handle; and

    an optic fiber having an optic fiber distal end wherein the optic fiber is disposed in the inner bore of the handle and the housing tube and wherein the optic fiber distal end is adjacent to the housing tube distal end and wherein an actuation of the actuation lever in a first direction is configured to retract the wire relative to the housing tube and curve the housing tube and the optic fiber by compressing the first housing tube portion.

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