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Device for use in ophthalmologic procedures

  • US 6,527,736 B1
  • Filed: 10/23/2000
  • Issued: 03/04/2003
  • Est. Priority Date: 10/23/2000
  • Status: Expired due to Term
First Claim
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1. A device for use in ophthalmologic surgery for suctioning, cutting and removing portions of the vitreous humor and/or tissue particles, comprising:

  • a housing defining a longitudinal axis;

    a guide tube disposed at the housing for insertion into a hollow space of the vitreous humor, said guide tube having a distal end forming a suction opening;

    an inner tube received coaxially in the guide tube;

    a drive; and

    a control member operatively connected with the drive, and receiving the inner tube, for moving the inner tube in the direction of the longitudinal axis between a resting position in which the suction opening of the guide tube is cleared to allow withdrawing the vitreous humor and/or tissue particles and a closing position in which the suction opening is sealed, said control member being configured to allow a movement of the inner tube in the guide tube in the direction of the longitudinal axis from the resting position to the closing position and back to the resting position by translating a rotational movement of the drive into a linear movement of the inner tube, and to refrain from acting on the inner tube at rotational movement of the drive when the inner tube is in the resting position.

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