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Handpiece tip

  • US 7,857,794 B2
  • Filed: 06/14/2004
  • Issued: 12/28/2010
  • Est. Priority Date: 06/14/2004
  • Status: Active Grant
First Claim
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1. A tip for a handpiece for use in an ophthalmic lens removal procedure, comprising:

  • an inner tube mounted within an outer tube so as to form an annular gap between the inner tube and the outer tube; and

    a tip cap sealing distal ends of the inner tube and the outer tube, the tip cap having an aspiration port in fluid communication with the inner tube, and an irrigation port in fluid communication with the annular gap and wherein a centerline of the aspiration port is offset at an angle relative to a centerline of the outer tube and a centerline of the irrigation port is offset relative to a centerline of the outer tube;

    wherein the tip cap comprises a cylindrical side surface and a rounded outer distal surface on an end of the cylindrical side surface and is configured to direct fluid onto the lens from the irrigation port and aspirate fluid from the lens through the aspiration port;

    wherein the aspiration port is a hole in the rounded outer distal surface; and

    wherein the irrigation port is another hole in the rounded outer distal surface;

    wherein the irrigation port is configured to provide irrigation and the aspiration port is configured to provide aspiration for the ophthalmic lens removal procedure.

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