Surgical knife production method
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United States of America Patent
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-
Apr 15, 2008
Grant Date -
May 13, 2004
app pub date -
May 16, 2003
filing date -
Aug 23, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method for producing a surgical knife of a very small size for use in ophthalmic surgery under a microscopic environment having a sharp edge without causing reflection of lights. The surgical knife comprises a handle, and a blade attached to the handle. The blade has a sharp polished cutting edge, a rough machined surface provided inside of the cutting edge having a relatively rough surface area, and an inner flat area. An anti-reflection treatment is provided on an upper and lower surfaces of the blade except for the cutting edge, thereby prohibiting reflection or emission of lights from the knife.
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