US PATENT SUBCLASS 604 / 129
.~.~.~.~ With vacuum breaking means (e.g., vent, etc.)

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}
128  DF  .~.~.~ Having siphon means for removing material from external source or body {1}
129.~.~.~.~ With vacuum breaking means (e.g., vent, etc.)

DEFINITION

Classification: 604/129

With vacuum breaking means (e.g., vent, etc.):

(under subclass 128) Subject matter including suction breaking means on the siphon to prevent the formation of tissue necrosis on body inserted conduits caused by an excess of liquid column suction in the conduit during siphoning of material from the body.

SEE OR SEARCH THIS CLASS, SUBCLASS:

10, for antisiphon devices in body inserted shunts.

SEE OR SEARCH CLASS

137, Fluid Handling,

215+, for antisiphoning devices of general utility.