Patent ID: 9327080
Filing Date: 2016-05-03
CPC Classification: A61M

Claim Text:
1. A medical dispensing device comprising: a hollow body; a piston disposed in the hollow body and defining at least one receiving area, the piston including at least one sliding surface in contact with the hollow body, the piston including at least one radially extending channel, the piston disposed between an upper subspace and a lower subspace of the hollow body; a lubricant disposed in the at least one receiving area; and at least one diaphragm which closes the at least one receiving area at least in certain areas; a device for pressurizing the upper subspace such that pressure in the upper subspace dispenses lubricant through the at least one radially extending channel to the at least one sliding surface and pressure in the upper subspace further translates the piston within the hollow body; wherein the medical dispensing device is selected from a group consisting of a syringe and a carpule.