Patent ID: 8668972
Filing Date: 2014-03-11
Classification: A61B,A61L,A61M,B05D,Y10T

Abstract:
1. A syringe comprising: (a) a barrel having an inner surface coated with a first PTFE layer having a thickness of between about 1 nm and about 25 microns, at least a portion of the first PTFE layer comprises polymeric chains formed of repeat units with at least 70% of the repeat units being CF (b) a seal having an outer surface coated with a second PTFE layer having a thickness of between about 1 nm and about 25 microns, at least a portion of the second PTFE layer comprises polymeric chains formed of repeat units with at least 70% of the repeat units being CF wherein the seal is constructed and arranged to move from a first position within the barrel to a second position within the barrel.