SYRINGE ASSEMBLY AND BARREL FOR USE IN SUCH AN ASSEMBLY

摘要

A syringe barrel includes a tubular wall having an inner surface, a front end configured for attachment of a needle, and a tail end having an opening configured to receive a plunger. The opening leads to an interior of the syringe barrel and traverses the barrel to the front end thereof. The tubular wall has a first zone located longitudinally toward the tail end and having a first inner diameter, and a second zone located longitudinally towards the front end and having a second inner diameter that is greater than the first inner diameter.