Patent ID: 9433959
Filing Date: 2016-09-06
CPC Classification: A61B,A61M,B05B

Claim Text:
1. A dispenser, comprising: a container that defines a distal end located most distally with respect to said dispenser and a proximal end located most proximally with respect to said dispenser, the container contains a liquid; a proximal surface that encloses fixedly the proximal end of the container; a cover of rigid construction sealingly engaged with the distal end of the container; a piston slidably sealingly engagable within the container to position a piston face of the piston from the distal end of the container into contact with the proximal surface of the container liquid; a cutting edge disposed about the piston face of the piston to open the cover; and, a passage formed between the piston face of the piston and a nozzle outlet of a nozzle to communicate the liquid from the container through the nozzle outlet by sliding of the piston within the container from the distal end into contact with the proximal surface.