Patent ID: 6652494
Filing Date: 2003-11-25
Classification: A21D,A23G,A61C,A61M,B05C

Abstract:
A syringe and collapsible ampule for dispensing a material comprising:a barrel having an open end; an ampule chamber formed adjacent the open end and having an ampule chamber longitudinal length, said barrel having a breech spaced from the open end; a slot having a slot lateral dimension and extending from the breech to the open end; an integral unitary collapsible ampule comprising a body portion made of a flexible plastic material that is capable of easily collapsing and folding over onto itself dispensing the material and a dispensing nozzle portion placed within the syringe, the body portion having a body portion longitudinal length and the nozzle portion having a nozzle portion lateral width; wherein the ampule chamber longitudinal length is less than the body portion longitudinal length of said integral unitary collapsible ampule and the slot lateral dimension is adapted to permit the nozzle portion of said integral unitary collapsible ampule to pass there through, whereby when said integral unitary collapsible ampule is placed within said ampule chamber in position for dispensing, part of the body portion extends under the breech out of said ampule chamber; a plunger sliding within the barrel; and wherein said integral unitary collapsible ampule has a hemispherical end and said plunger has a concave front surface, whereby the body portion of said integral unitary collapsible ampule may be inserted through the breech and the nozzle portion of said integral unitary collapsible ampule may pass through said slot and lateral movement of the ampule body is prevented during dispensing.