US PATENT SUBCLASS 604 / 117
.~.~.~ Having structure for controlling depth of insertion of body piercer

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}
117.~.~.~ Having structure for controlling depth of insertion of body piercer

DEFINITION

Classification: 604/117

Having structure for controlling depth of insertion of body piercer:

(under subclass 93) Subject matter including specific structure for regulating the extent of penetration of a needle, or a body piercing element into the body.

(1) Note. Obviously the needle holding hub of a hypodermic syringe limits the depth of penetration of the needle into the body. However, to be classified as an original in this subclass, a patent must include in its claimed subject matter a recitation of structure specifically designed to control the depth of insertion of a piercing member into the body and not intended primarily for some other purpose, such as, for example, holding a needle.