US PATENT SUBCLASS 604 / 162
.~.~.~.~ Having guard on piercing conduit for protecting body entering conduit

Current as of: June, 1999
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604 /   HD   SURGERY

19  DF  MEANS FOR INTRODUCING OR REMOVING MATERIAL FROM BODY FOR THERAPEUTIC PURPOSES (E.G., MEDICATING, IRRIGATING, ASPIRATING, ETC.) {7}
48  DF  .~ Treating material introduced into or removed from body orifice, or inserted or removed subcutaneously other than by diffusing through skin {9}
93  DF  .~.~ Material introduced or removed through conduit, holder, or implantable reservoir inserted in body {30}
158  DF  .~.~.~ Body entering conduit axially movable within body piercing conduit while former is disposed in the body {5}
162.~.~.~.~ Having guard on piercing conduit for protecting body entering conduit

DEFINITION

Classification: 604/162

Having guard on piercing conduit for protecting body entering conduit:

(under subclass 158) Subject matter provided with means shielding or otherwise protecting the piercing conduit from damaging the body entering conduit or patient during use.

SEE OR SEARCH THIS CLASS, SUBCLASS:

192+, and 263, for needle covers or protectors, per se.