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Apparatus for implanting an artifical meshwork in glaucoma surgery

  • US 5,676,679 A
  • Filed: 06/13/1996
  • Issued: 10/14/1997
  • Est. Priority Date: 03/19/1993
  • Status: Expired due to Term
First Claim
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1. A guide knife assembly for inserting a filter member into an eye, comprising:

  • a guide knife apparatus, including;

    a handle portion;

    a blade portion projecting distally from a distal end of said handle portion, said blade portion terminating distally in a sharp distal end, said blade portion having first and second major side surfaces;

    a flange element having proximal and distal ends and first and second generally parallel, major side faces, said flange element being coupled to one of said blade portion and said handle portion and extending distally in side by side generally parallel relation to said blade portion such that the first major side face thereof is in parallel, opposed facing relation to said first major side surface of said blade portion and defining a filtering member receiving space therebetween; and

    a filtering member mounted to said guide knife apparatus so that at least a portion of said filtering member is disposed in said filter element receiving space, said filtering member comprising a sheet of polymer material which has been folded to define a front portion and a back portion, side edges of said front portion being coupled to respective side edges of the back portion.

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