Medical device for cutting a cornea that has a vacuum ring with a slitted vacuum opening
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United States of America Patent
Stats
-
Mar 9, 2004
Grant Date -
Mar 6, 2003
app pub date -
Oct 15, 2002
filing date -
Jul 8, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A medical device that can be used to cut a cornea. The device may include a blade that is coupled to a head by a blade holder. The device may also have a retention spring that exerts a force on the blade and blade holder. The head and blade can be moved across a ring by a drive assembly that contains a lead screw. The ring may contain one or more openings which have a length that is greater than a width. The openings may be coupled to a vacuum source by a tube. The vacuum pressure of the tube can be displayed by a console. The console may also have switches that allow different operating parameters to be entered through a single knob.
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