US PATENT SUBCLASS 606 / 172
.~.~ Means to limit cutter penetration depth (e.g., dura guard)

Current as of: June, 1999
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606 /   HD   SURGERY

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

DEFINITION

Classification: 606/172

Means to limit cutter penetration depth (e.g., dura guard):

(under subclass 167) Subject matter comprising a stop or guard which limits the advance or movement of a cutting device to prevent cutting too deeply into the body portion being cut.