DRILLING APPARATUS WITH SHUTTER
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United States of America Patent
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N/A
Issued Date -
Jan 10, 2013
app pub date -
Mar 15, 2010
filing date -
Mar 15, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The present disclosure relates to a drilling apparatus including a cutting unit defining at least one through-hole that provides fluid communication between a distal side and a proximal side of the cutting unit. The cutting unit includes a plurality of cutting elements at the distal side of the cutting unit. The cutting unit also includes a shutter for selectively opening and blocking the through-hole of the cutting unit.
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