US PATENT SUBCLASS 604 / 208
.~.~.~.~.~.~ Including means for controlling piston stroke length


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}
207  DF  .~.~.~.~.~ Having means for metering material flow to or from body {1}
208.~.~.~.~.~.~ Including means for controlling piston stroke length {3}
209  DF  .~.~.~.~.~.~.~> By rachet and pawl
210  DF  .~.~.~.~.~.~.~> By detent
211  DF  .~.~.~.~.~.~.~> By rotatable means (e.g., micrometer, etc.)


DEFINITION

Classification: 604/208

Including means for controlling piston stroke length:

(under subclass 207) Subject matter comprising a piston for forcing material into or out of the body and a means for regulating the distance of travel of the piston.