# US 10,864,331 B2 · Adaptor for a drug delivery device and drug delivery device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,864,331 B2 - Document ID: US10864331B2 - Status: Granted - Kind: B2 - Application number: 15/580,294 - Filed: 2016-06-10 - Published: 2018-06-14 - Granted: 2020-12-15 - Earliest claimed: 2015-06-12 - Assignees: Becton Dickinson France - Applicants: Becton Dickinson France - Inventors: Marc Flippe; Freddy Mills - Web page: https://patentgrep.com/patent/US10864331B2 ## CPC - A61M 5/344: {using additional parts, e.g. clamping rings or collets} - A61M 5/349: {using adhesive bond or glues} - A61M 5/347: {rotatable, e.g. bayonet or screw (A61M5/344 takes precedence)} - A61M: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals A61D7/00; means for inserting tampons A61F13/26; devices for administering food or medicines orally A61J; containers for collecting, storing or administering blood or medical fluids A61J1/05); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery A61B; chemical aspects of surgical articles A61L); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents A61N1/36021)} ## Abstract The present invention relates to adaptor (30) for a drug delivery device having a reservoir (12) and a longitudinal tip (20), the adaptor (30) comprising a distal part defining a connecting ring (31) intended to receive a connector, and a proximal part defining a mounting ring (33) having an inner surface (34), the mounting ring (33) being shaped and configured such that, when the adaptor (30) is mounted around the longitudinal tip (20) of the drug delivery device, at least one annular space (38) is created between said inner surface (34) of the mounting ring (33) and said outer surface (20a) of the longitudinal tip (20), said at least one annular space (38) being able to accommodate an adhesive layer (40) in order to bond said adaptor (30) to said longitudinal tip. The invention further relates to a drug delivery device comprising such an adaptor. ## Claims ### Claim 1 An adaptor for a drug delivery device having a reservoir and a longitudinal tip having an outer surface and a longitudinal channel for dispensing any material stored into the reservoir, the adaptor comprising: a distal part defining a connecting ring; a proximal part defining a mounting ring having an inner surface; and an annular ring between the connecting ring and the mounting ring, wherein with the adaptor mounted around the longitudinal tip of the drug delivery device, at least one annular space is created between an inner annular recess of said inner surface of the mounting ring and said outer surface of the longitudinal tip, said at least one annular space accommodates an adhesive layer to bond said adaptor to said longitudinal tip, wherein the annular ring is provided at a distal extremity of the inner surface of the mounting ring, wherein a proximal end of the inner annular recess is open and a distal end of the inner annular recess is closed by a proximal wall of the annular ring, and wherein the inner surface of the mounting ring comprises at least one protrusion wherein, with the adaptor mounted around the longitudinal tip of the drug delivery device, said at least one protrusion protrudes into said at least one annular space. ### Claim 2 (depends on 1) The adaptor according to claim 1, wherein said at least one protrusion is chosen among, at least one continuous longitudinal rib, at least one segmented rib, transversal segments, at least one diagonal rib, bulbs or cylinders, T or crosses. ### Claim 3 (depends on 1) The adaptor according to claim 1, wherein the inner surface of the mounting ring comprises protrusions in the form of longitudinal ribs. ### Claim 4 (depends on 3) The adaptor according to claim 3, wherein the longitudinal ribs extend on the whole length of the mounting ring. ### Claim 5 (depends on 3) The adaptor according to claim 3, wherein the longitudinal ribs are continuous longitudinal ribs. ### Claim 6 (depends on 3) The adaptor according to claim 3, wherein the longitudinal ribs are segmented longitudinal ribs. ### Claim 7 (depends on 1) The adaptor according to claim 1, wherein the inner surface of the mounting ring comprises protrusions in the form of three longitudinal ribs projecting from the inner surface of the mounting ring. ### Claim 8 (depends on 7) The adaptor according to claim 7, wherein the longitudinal ribs are regularly placed along a circumference of the inner surface. ### Claim 9 (depends on 1) The adaptor according to claim 1, wherein the inner surface of the mounting ring comprises protrusions in the form of transversal segments. ### Claim 10 (depends on 1) The adaptor according to claim 1, wherein the inner surface of the mounting ring comprises protrusions in the form of three diagonal ribs. ### Claim 11 (depends on 1) The adaptor according to claim 1, wherein the inner surface of the mounting ring comprises protrusions in the form of bulbs or cylinders. ### Claim 12 (depends on 1) The adaptor according to claim 1, wherein the inner surface of the mounting ring comprises protrusions in the form of T or crosses. ### Claim 13 (depends on 1) The adaptor according to claim 1, wherein R1 being the radius of an inner diameter of the mounting ring and R2 being the radius of an inner diameter of the annular ring, R1 being greater than R2, said inner annular recess having a radius R3 corresponding to R1-R2, wherein R3 ranges from 0.3 to 0.5 mm. ### Claim 14 (depends on 1) The adaptor according to claim 1, wherein said adaptor is made of rigid plastic. ### Claim 15 (depends on 1) The adaptor according to claim 1, wherein said adaptor consists of a single piece of material. ### Claim 16 (depends on 1) The adaptor according to claim 1, wherein said adaptor is made of a light-transmitting material. ### Claim 17 (depends on 1) A drug delivery device comprising an adaptor according to claim 1. ### Claim 18 (depends on 17) The drug delivery device according to claim 17, wherein the adaptor is irreversibly bonded to the longitudinal tip by an adhesive layer accommodated into the annular space. ### Claim 19 (depends on 18) The drug delivery device according to claim 18, wherein the adhesive layer has a thickness of at least 0.3 mm. ### Claim 20 (depends on 18) The drug delivery device according to claim 18, wherein said adhesive layer covers an area of at least 20 mm2 of the outer surface. ### Claim 21 (depends on 18) The drug delivery device according to claim 18, wherein said at least one protrusion protrudes into said adhesive layer. ### Claim 22 (depends on 18) The drug delivery device according to claim 18, wherein the adaptor is exclusively bonded to the drug delivery device by the adhesive layer. ### Claim 23 (depends on 17) The drug delivery device according to claim 17, wherein the longitudinal tip does not have any mechanical attaching means such as an annular groove or a ring. ### Claim 24 (depends on 17) The drug delivery device according to claim 17, wherein the inner surface of the mounting ring is substantially parallel to the outer surface of the longitudinal tip. ### Claim 25 (depends on 17) The drug delivery device according to claim 17, wherein the longitudinal tip is made of glass.