# US 10,500,353 B2 · Medicament delivery device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,500,353 B2 - Document ID: US10500353B2 - Status: Granted - Kind: B2 - Application number: 15/515,094 - Filed: 2015-09-30 - Published: 2018-08-16 - Granted: 2019-12-10 - Earliest claimed: 2014-10-08 - Assignees: Shl Medical AG - Applicants: Carebay Europe Ltd. - Inventors: Daniel Sall - Web page: https://patentgrep.com/patent/US10500353B2 ## CPC - A61M 5/5086: {for indicating if defective, used, tampered with or unsterile} - A61M 5/3204: {Needle cap removers, i.e. devices to dislodge protection cover from needle or needle hub, e.g. deshielding devices} - A61M 5/28: Syringe ampoules or carpules, i.e. ampoules or carpules provided with a needle - A61M 5/3213: {Caps placed axially onto the needle, e.g. equipped with finger protection guards (axially-extensible protective sleeves A61M5/3243)} - A61M 2005/3247: {Means to impede repositioning of protection sleeve from needle covering to needle uncovering position} - 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 disclosure relates to a medicament delivery device for injection of a medicament. The medicament delivery device comprises a housing (3) arranged to receive a medicament delivery member, a medicament delivery member cover (7) received by the housing (3), which medicament delivery member cover (7) has a cap-fitting portion (7a), wherein the medicament delivery member cover (1) is moveable relative to the housing (3) from an extended position in which the cap-fitting portion (7a) extends from the housing (3), to a retracted position in which the medicament delivery member cover (7) is biased towards the extended position, and a cap (11) arranged to receive the cap-fitting portion (7a), wherein the medicament delivery member cover (7) and the cap (1) comprise a tamper evidence mechanism which is activated by removal of the cap (11) from the cap-fitting portion (7a). ## Claims ### Claim 1 A medicament delivery device for injection of a medicament, comprising: a housing arranged to receive a medicament delivery member, a medicament delivery member cover received by the housing, which medicament delivery member cover has a cap-fitting portion, wherein the medicament delivery member cover is moveable relative to the housing from an extended position in which the cap-fitting portion extends from the housing, to a retracted position in which the medicament delivery member cover is biased towards the extended position, and a cap arranged to receive the cap-fitting portion, wherein the medicament delivery member cover and the cap comprises a tamper evidence mechanism which is activated by removal of the cap from the cap-fitting portion, wherein the tamper evidence mechanism comprises a groove and a first shoulder, wherein first shoulder is arranged in the groove prior to removal of the cap, wherein the tamper evidence mechanism comprises a second shoulder arranged adjacent to the groove in the axial direction, and wherein the second shoulder has a first shoulder abutment surface arranged in an opposite direction relative to a second shoulder abutment surface of the first shoulder when the cap-fitting portion is received by the cap. ### Claim 2 (depends on 1) The medicament delivery device as claimed in claim 1, wherein the tamper evidence mechanism comprises a flexible tongue, wherein the first shoulder defines an end portion of the flexible tongue. ### Claim 3 (depends on 1) The medicament delivery device as claimed in claim 1, wherein the first shoulder increases in radial dimension along the axial direction, in that direction which enables release of the first shoulder from the groove by means of axial motion. ### Claim 4 (depends on 1) The medicament delivery device as claimed in claim 1, wherein the groove is defined by a surface which along the axial direction gradually increases in depth from its edge towards the midpoint of the groove. ### Claim 5 (depends on 1) The medicament delivery device as claimed in claim 1, wherein the second shoulder increases in radial dimension in the opposite direction relative to the direction along which the first shoulder increases in radial dimension. ### Claim 6 (depends on 1) The medicament delivery device as claimed in claim 1, wherein the groove is provided on an internal surface of the cap. ### Claim 7 (depends on 6) The medicament delivery device as claimed in claim 6, wherein the first shoulder is arranged on an external surface of the medicament delivery member cover. ### Claim 8 (depends on 6) The medicament delivery device as claimed in claim 6, wherein the groove extends along the inner periphery of the cap. ### Claim 9 (depends on 1) The medicament delivery device as claimed in claim 1, wherein the housing comprises a guide structure extending axially along an internal surface of the housing. ### Claim 10 (depends on 9) The medicament delivery device as claimed in claim 9, wherein the guide structure is arranged to cooperate with that part of the tamper evidence mechanism which is arranged on the medicament delivery member cover. ### Claim 11 (depends on 9) The medicament delivery device as claimed in claim 9, wherein the guide structure comprises a groove arranged to receive a first shoulder of the tamper evidence mechanism. ### Claim 12 (depends on 11) The medicament delivery device as claimed in claim 11, wherein the cap comprises a stop member. ### Claim 13 (depends on 12) The medicament delivery device as claimed in claim 12, wherein the stop member and the inner flange defines a play (P) for the proximal end flange of the medicament delivery member deshielder. ### Claim 14 (depends on 13) The medicament delivery device as claimed in claim 13, wherein the axial distance between the stop member and the inner flange is at least as large as the axial distance between the first shoulder abutment surface and a midpoint of the groove. ### Claim 15 (depends on 9) The medicament delivery device as claimed in claim 9, wherein the guide structure comprises a rib, wherein the first shoulder of the tamper evidence mechanism is arranged to receive the rib. ### Claim 16 (depends on 1) The medicament delivery device as claimed in claim 1, wherein the groove and the first shoulder define a snap fit. ### Claim 17 (depends on 1) The medicament delivery device as claimed in claim 1, comprising a medicament delivery member deshielder which comprises a proximal end flange, wherein the cap is arranged to receive the medicament delivery member deshielder. ### Claim 18 (depends on 17) The medicament delivery device as claimed in claim 17, wherein the cap comprises an inner flange arranged to cooperate with proximal end flange of the medicament delivery member deshielder.