Surgical cutting instrument with distal suction passage forming member
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United States of America Patent
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Feb 19, 2013
Grant Date -
Jul 26, 2012
app pub date -
Jan 25, 2011
filing date -
Jan 25, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A surgical instrument having a first cutting blade and a second cutting blade that rotates within the first cutting blade during a cutting operation to cause cutting windows of the cutting blades to remove tissue from a patient also includes a suction passage forming member disposed over a suction aperture of the first cutting blade. The suction passage forming member includes an inlet, an outlet and a passage between the inlet and the outlet, the outlet communicating with the suction aperture, and the inlet facing distally. The surgical instrument can be used as a suction tool by applying a vacuum through an internal bore of the second cutting blade while the second cutting blade is stopped from rotating with the cutting windows of the first and second cutting blades misaligned with each other so that the vacuum is applied through the suction aperture and the suction passage forming member.
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