Patent ID: 11865309
Assignee: BECTON DICKINSON FRANCE S.A.S.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A drug delivery device comprising:
a reservoir for containing a medical product, and
a distally projecting frustoconical end-piece having an outer surface and a total length measured along a longitudinal axis of said end-piece, said end-piece defining an axial passageway for a transfer of said medical product contained in said reservoir, said end-piece having a proximal region configured to be fixed to an adaptor,
wherein a gripping surface is provided on a portion of said outer surface, said portion being located in a distal half of said end-piece and outside a proximal half forming the proximal region of the end-piece, a length of said portion representing at most 40% of the total length of the end-piece,
wherein the end-piece comprises an annular groove located in the proximal region on the outer surface of the end-piece, and further wherein the proximal region and the annular groove do not include the gripping surface,
wherein the annular groove has a diameter less than at least a portion of the proximal region, and wherein the annular groove engages entirely with an inner surface of a collar of the adapter, and
wherein the portion of the outer surface having the gripping surface is spaced apart from the inner surface of the collar of the adapter such that the adapter does not contact the gripping surface when being slid over the end-piece.