Patent ID: 7164133
Filing Date: 2007-01-16
Classification: A61M,Y10S

Abstract:
1. A multi chamber syringe cartridge container, configured for use with a portable preparation delivery device, comprising a generally cylindrical barrel with a general symmetry axis and having a front end and a rear end, provided with an opening or a preparation for an opening at its front end; at least one displaceable piston inserted in the barrel between the front end and the rear end; and a machine readable marking on the barrel, wherein the marking comprises at least two marking areas with different detectable absorbency or reflectance when irradiated with radiation in non-visible frequency ranges, wherein the piston has at least one surface part with detectable absorbency or reflectance when irradiated with radiation in non-visible frequency ranges and said piston surface part is exposed or exposable to the radiation through at least a part of the barrel, and wherein at least one of said marking areas and said piston surface part are located at the same position along the barrel symmetry axis.