Patent ID: 8100295

Claim:
A dispensing assembly comprising: a syringe or cartridge including at least one container and a first fastening area including a first retaining portion, wherein the first retaining portion includes at least a first pair of retaining elements provided in mutually opposite side areas of the first fastening area; and at least one accessory including a housing that includes a second fastening area and mutually opposite, compressible housing portion, wherein the second fastening area includes a second retaining portion that includes at least a second pair of retaining elements cooperating with the first pair of retaining elements, wherein the housing portions are offset along a circumference of the housing in relation to the second pair of retaining elements, and wherein the first retaining portion and the second retaining portion are configured such that the at least one accessory is configured to slip onto the syringe or cartridge and be removed from the syringe or cartridge without a twisting motion by applying pressure to the compressible housing portions, thereby releasing the second pair of retaining elements from the first pair of retaining elements.