Enema administration unit

Claim 1

A LIQUID ADMINISTRATION UNIT COMPRISING: A RECEPTACLE COMPRISING A GENERALLY CYLINDRICAL SIDE WALL, A BOTTOM WALL INTEGRAL THEREWITH, A SKIRT EXTENDING BELOW SAID BOTTOM WALL AS AN EXTENSION OF SAID SIDE WALL, AND AN OPEN END OPPOSITE SAID BOTTOM WALL; OUTLET MEANS FOR SAID RECEPTACLE COMPRISING AN INWARDLY EXTENDING CYLINDRICAL WALL INTEGRAL WITH SAID SIDE WALL AND BOTTOM WALL, AN INTERNAL ANNULAR WALL EXTENDING ABOVE AND BELOW SAID BOTTOM WALL, SAID CYLINDRICAL INWARDLY EXTENDING WALL DEFINING AN OUTWARDLY OPENING RECESS, A NIPPLE IN SAID RECESS, INTEGRAL WITH SAID ANNULAR WALL AND TERMINATING WITHIN SAID RECESS, SAID NIPPLE AND ANNULAR WALL PROVIDING A DRAIN PASSAGEWAY FOR SAID RECEPTACLE FLUSH WITH THE BOTTOM WALL.