Ocular cutter with enhanced cutting action
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 22, 1991
Grant Date -
N/A
app pub date -
Oct 26, 1989
filing date -
Oct 26, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The inner needle in a guillotine type ocular cutter is ground and placed within the swaged outer needle in an interference fit, so that a radial force is exerted by said inner needle on said outer needle to better shear the ocular tissue. Further, a positive stop is effected on the drive shaft controlling the inner needle so that the distance from the end of the outer needle port to the tissue is minimized. Alternately, the drive shaft has a dwell exerted on it.
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Cited Art Landscape
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