US PATENT SUBCLASS 604 / 324
.~.~ With vent or overflow opening

Current as of: June, 1999
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604 /   HD   SURGERY

317  DF  MEANS AND METHODS FOR COLLECTING BODY FLUIDS OR WASTE MATERIAL (E.G., RECEPTACLES, ETC.) {5}
322  DF  .~ Material collector or receptacle having attaching means to static support independent of body {4}
324.~.~ With vent or overflow opening

DEFINITION

Classification: 604/324

With vent or overflow opening:

(under subclass 322) Subject matter wherein the receptor is provided with pressure or equalizing means to prevent a return flow of the collected material to the patient.