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Ophthalmic surgical instruments and methods of use thereof

  • US 10,292,862 B1
  • Filed: 05/03/2018
  • Issued: 05/21/2019
  • Est. Priority Date: 05/03/2018
  • Status: Active Grant
First Claim
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1. An ophthalmic surgical instrument, comprising:

  • a housing including;

    a handle body; and

    a hollow shaft extending distally of the handle body and defining a longitudinal axis, the hollow shaft having a bottom surface configured to be oriented toward a human eye, the bottom surface defining an opening; and

    a snare operably coupled to the housing and including a looped segment defining a length that is parallel with the longitudinal axis of the hollow shaft, the loop segment configured to move between a contracted configuration and a dilated configuration, in which the looped segment assumes a diameter approximating a diameter and shape of a lens of the human eye, wherein the looped segment is configured to sever the lens upon moving toward the contracted configuration, wherein the looped segment overlaps a portion of the bottom surface of the hollow shaft that is distal to the opening and a portion of the bottom surface of the hollow shaft that is proximal to the opening when the looped segment is in the dilated configuration, such that a majority of the length of the looped segment overlaps with the bottom surface of the hollow shaft when the looped segment is in the dilated configuration.

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