METHODS FOR AMELIORATING TISSUE TRAUMA FROM SURGICAL INCISIONS
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United States of America Patent
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Issued Date -
Apr 8, 2010
app pub date -
Jan 22, 2008
filing date -
Jan 22, 2007
priority date (Note) -
Abandoned
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Abstract
Methods for ameliorating tissue trauma from a surgical incision comprise making the surgical incision with a cutting instrument comprising a cutting instrument body defining two opposed sides and a direction of elongation, and having at least one cutting edge extending along the direction of elongation. The cutting edge defines an ultimate edge and two beveled faces adjacent the ultimate edge. The cutting edge of the cutting instrument has at least one characteristic selected from the group consisting of (a) a uniform ultimate edge having a maximum height deviation of 4 m or less along any 680 m segment of thereof; (b) each beveled face having a maximum height deviation of 4 m or less along any 680 m segment of thereof; and (c) each beveled face adjacent the ultimate edge having a root mean square surface roughness (Rq) of not more than about 200 nm. Improved cutting instruments are also provided.
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