US PATENT SUBCLASS 604 / 141
.~.~.~.~.~ Material impelled by means (e.g., diaphragm, piston) moved by gas or vacuum pressure

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
131  DF  .~.~.~ Treating material forced into or out of body by self-acting fluid pressure, motor-driven, or mechanical energy storing means (e.g., pressure infusion or aspiration, etc.) {8}
140  DF  .~.~.~.~ Material impelled by pressurized charge of gas or vacuum {5}
141.~.~.~.~.~ Material impelled by means (e.g., diaphragm, piston) moved by gas or vacuum pressure {2}
142  DF  .~.~.~.~.~.~> Reservoir prepressurized or exhausted by squeeze bulb
143  DF  .~.~.~.~.~.~> Piston impelled by gas or vacuum pressure {1}

DEFINITION

Classification: 604/141

Material impelled by means (e.g., diaphragm, piston) moved by gas or vacuum pressure:

(under subclass 140) Subject matter wherein the pressurized charge of gas or vacuum moves an intermediate means which in turn forces the material into or out of the body.