Title:
【発明の名称】レーザナイフの切断深さを制御するための方法及び装置
Document Type and Number:
Japanese Patent JPH03502765
Kind Code:
A
Abstract:
An apparatus and method are provided for cutting tissue, such as cornea, to a predetermined depth by an ablative laser. A probe delivers ablative laser energy through coaxial irrigating fluids to cut the tissue, and an optical image of the site is acquired and electronically scanned to produce a voltage analog signal. The laser fire pulse is controlled by a circuit including a first gate controlled by a counter settable to maximum depth of cut and a second gate controlled by signals representing the uncut portion of the tissue.
Inventors:
Taboda John
Poilia robert h
Poilia robert h
Application Number:
JP50267989A
Publication Date:
June 27, 1991
Filing Date:
February 15, 1989
Export Citation:
Assignee:
Refractive Laser Research and Development Inc.
International Classes:
A61B18/20; A61F9/00; A61F9/01; B23K26/00; B23K26/03; (IPC1-7): A61B17/36; A61F9/00; B23K26/00
Attorney, Agent or Firm:
Minoru Nakamura (6 outside)