US PATENT SUBCLASS 604 / 196
.~.~.~.~.~.~.~ And extended therefrom by piston when syringe is used


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}
181  DF  .~.~.~ Means moved by person to inject or remove fluent material to or from body inserted conduit, holder, or reservoir {3}
187  DF  .~.~.~.~ Injector or aspirator syringe supported only by person during use (e.g., hand held hypodermic syringe, douche tube with forced injection, etc.) {13}
192  DF  .~.~.~.~.~ Having cover or protector for body entering conduit {5}
195  DF  .~.~.~.~.~.~ Portion of body entering conduit stored in material receiving syringe reservoir {1}
196.~.~.~.~.~.~.~ And extended therefrom by piston when syringe is used


DEFINITION

Classification: 604/196

And extended therefrom by piston when syringe is used:

(under subclass 195) Subject matter wherein a portion of the body insertible conduit is projected from the material holding reservoir by a ram or plunger when the conduit is to be placed in the body.