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Cannula for use in corrective laser eye surgery

  • US 6,135,984 A
  • Filed: 01/06/1999
  • Issued: 10/24/2000
  • Est. Priority Date: 01/06/1999
  • Status: Expired due to Fees
First Claim
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1. A cannula for use in conjunction with a fluid source and operative to irrigate a corneal surface of an eye, comprising:

  • (a) a connector adapted to attach to the fluid source, said connector oriented along a longitudinal axis; and

    (b) an elongated hollow prong element having a proximal end supported by said connector and a distal tip opposite said proximal end, said prong element preformed to include an arcuate distal section formed in a plane along a curvature, wherein a contact surface of said arcuate distal section is oriented toward said longitudinal axis, said contact surface having a portion thereof which is adapted to be coextensive with the corneal surface of an eye, and wherein said prong element has a fluid passageway therein that is surrounded by a sidewall with the fluid passageway being in fluid communication with the fluid source when said connector is fastened thereto, said prong element having a port in said distal section that extends from the fluid passageway through said sidewall whereby fluid from the fluid source may be ejected out of the port and onto the corneal surface during use.

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