Hygienic syringe devices

Claim 1

THE COMBINATION OF A CASING HAVING AT LEAST ONE STIFF SUBSTANTIALLY PLANNAR WALL PORTION WITH AN APPENDED SYRINGE UNIT INCLUDING A FLEXIBLE COLLAPSIBLE FLUID RETAINING BAG FORMATION HAVING AN UPPER FLUID RECEIVING OPENING AND A LOWER DEPENDING FLUID DISPENSING TUBE, SAID BAG FORMATION AND TUBE BEING FOLDABLE INTO SAID CASING FOR STORAGE, SAID BAG FORMATION CONSISTING ESSENTIALLY OF A FRONT WALL PANEL, REAR WALL PANEL OF FLEXIBLE WATERPROOF MATERIAL BOTH HAVING A LIKE CONFIGURATION AND EXTENT AND ARRANGED IN SUPERIMPOSED FLATWISE DISPOSITION TO ONE ANOTHER AND JOINED ALONG THEIR COMMON BOUNDING PERIPHERAL EDGES TO DEFINE A FLUID RETAINING PORTION AND LEAVING THEIR UPPER EDGE PORTIONS UNSECURED TO DEFINE SAID UPPER FLUID RECEIVING OPENING, SAID STIFF PLANAR WALL PORTION OF SAID CASING HAVING AN EXTENT AT LEAST OF THE ORDER OF THE EXTENT OF THE UNSECURED EDGE PORTION OF SAID REAR WALL PANEL BOUNDING SAID UPPER FLUID RECEIVING OPENING AND MEANS SECURING SAID LATTER MENTIONED EDGE PORTION OF SAID REAR WALL PANEL ONLY SUBSTANTIALLY THROUGHOUT ITS EXTENT IN FLATWISE RELATION TO SAID STIFF PLANAR WALL PORTION, WHEREBY SAID FLEXIBLE COLLAPSIBLE BAG FORMATION IS RENDERED SUBSTANTIALLY STABLE UNDER FORCES IMPARTED THERETO BY A BODY OF FLUID DISPOSED THEREIN.