US PATENT SUBCLASS 604 / 299
.~.~.~.~ Having means for preventing contact of liquid with syringe bulb

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}
289  DF  .~ Treating material applied to or removed from external surface of body, or cutaneous layer of skin (e.g., eye treatment, removal of skin impurities, etc.) {11}
294  DF  .~.~ Means for treating eye or surface of ocular cavity {1}
295  DF  .~.~.~ Dropper, douche, or eyecup for applying liquid to eye {5}
299.~.~.~.~ Having means for preventing contact of liquid with syringe bulb

DEFINITION

Classification: 604/299

Having means for preventing contact of liquid with syringe bulb:

(under subclass 295) Subject matter provided with specific structure which ensures against the return of the treating material to a resilient collapsible bulb in order to avoid contamination or deterioration of said bulb by said material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

199, for devices preventing contamination of body treating material.