Patent ID: 9572750
Date: 2017-02-21
CPC Classifications: A61J,A61M,B65B

Claim:
1. A syringe comprising: a barrel comprising (a) a barrel tube having a proximal end, a distal end, and an interior; (b) a post coupled to the proximal end and extending partially into the interior toward the distal end; (c) a first fluid passage extending from the proximal end of the barrel tube into the interior; and (d) a second fluid passage extending from the proximal end of the barrel tube through the post; and a plunger comprising (a) a plunger tube partially disposed in the barrel tube such that the post extends into a proximal end of the plunger tube and (b) a flexible member coupled to the proximal end of the plunger tube, wherein the flexible member is in fluid communication with the second fluid passage; wherein the proximal end of the barrel tube and the proximal end of the plunger tube define therebetween a first fluid volume that is configured to hold fluid and is in fluid communication with the first fluid passage.