US PATENT SUBCLASS 604 / 516
.~.~.~.~ To or from the intestines through nasal or esophagal conduit

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}
500  DF  .~.~ Method {8}
514  DF  .~.~.~ Therapeutic material introduced or removed from natural body orifice {3}
516.~.~.~.~ To or from the intestines through nasal or esophagal conduit

DEFINITION

Classification: 604/516

To or from the intestines through nasal or esophageal conduit:

(under subclass 514) Subject matter for a process of introducing material to or removing material from the gastrointestinal tract without requiring invasive procedures.

(1) Note. Appropriate subject matter for this subclass includes patents disclosing introducing material to or removing material from the gastrointestinal tract by means of a flexible tube inserted through the nasal passages or mouth.

SEE OR SEARCH THIS CLASS, SUBCLASS:

515, for introduction or removal of material from the female reproductory tract.

517, for introduction or removal of material from the urogenital.

158+, body entering conduit axially movable within body piercing while former is disposed in the body.

164+, body piercer, obturator rod, or stylet axially movable with in body while latter is disposed in body. 523+, for a catheter used to inject material into the body, or removed from the same.