US PATENT SUBCLASS 606 / 173
.~.~.~ By disconnecting cutter drive

Current as of: June, 1999
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606 /   HD   SURGERY

1  DF  INSTRUMENTS {42}
167  DF  .~ Cutting, puncturing or piercing {10}
172  DF  .~.~ Means to limit cutter penetration depth (e.g., dura guard) {1}
173.~.~.~ By disconnecting cutter drive

DEFINITION

Classification: 606/173

By disconnecting cutter drive:

(under subclass 172) Subject matter wherein the advance or movement of the cutting means is stopped by a means which interrupts or disables the drive train between the cutting means and a driving force therefor.