Method and apparatus for facilitating removal of a corneal graft
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 30, 2002
Grant Date -
May 30, 2002
app pub date -
Nov 29, 2000
filing date -
Nov 29, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention relates to an artificial chamber that can support and pressurize a donor cornea to extract a corneal graft. The artificial chamber has a stationary stem that is adapted to support a cornea. The stem has an inner channel that allows air to pressurize the cornea. The artificial chamber has an outer cap that can be moved in a downward direction to secure the cornea. The cap has an opening that exposes a portion of the cornea to allow for the extraction of a corneal graft. The outer cap is attached to an outer sleeve that is moved by rotation of a cam. The chamber includes a spring that exerts a clamping force onto the cornea. The clamping force can be adjusted by rotating an adjustment wheel. The adjustable spring force allows an operator to set a desired clamping force that is then repeated for each grafting procedure.
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