# US 11,077,258 B2 · Sub-assembly for a 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 11,077,258 B2 - Document ID: US11077258B2 - Status: Granted - Kind: B2 - Application number: 16/337,681 - Filed: 2017-09-25 - Published: 2020-01-30 - Granted: 2021-08-03 - Earliest claimed: 2016-10-13 - Assignees: Shl Medical AG - Applicants: Shl Medical AG - Inventors: Hsuan Wang; Jung-Chien Chou; Wen-Yen Lee - Web page: https://patentgrep.com/patent/US11077258B2 ## CPC - A61M 5/3213: {Caps placed axially onto the needle, e.g. equipped with finger protection guards (axially-extensible protective sleeves A61M5/3243)} - A61M 5/3204: {Needle cap removers, i.e. devices to dislodge protection cover from needle or needle hub, e.g. deshielding devices} - A61M 5/3202: {Devices for protection of the needle before use, e.g. caps (A61M5/50 takes precedence; protectors for sharps A61B50/3001)} - A61M 2005/3215: {Tools enabling the cap placement} - A61M 2207/10: Device therefor - 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 cap assembly for a medicament delivery device, having a cap containing a tubular body provided with a distal opening, the cap being configured to be mounted to a proximal end of a medicament delivery device, a tubular remover configured to be received in the distal opening of the cap, the remover having flexible radially inwards extending grippers configured to engage with a delivery member shield, and a tubular remover insert configured to be received by the remover and configured to be fixedly attached to the cap to prevent axial displacement of the remover insert relative to the cap, wherein the remover is axially displaceable relative to the cap and relative to the remover insert, from a first position in which the grippers are pressed radially outwards by an outer surface of the remover insert, to a second position located distally relative to the first position, in which second position the grippers are arranged distally beyond the outer surface of the remover insert, enabling the grippers to flex radially inwards to allow engagement with a delivery member shield. ## Claims ### Claim 1 A sub-assembly for a medicament delivery device, which sub-assembly comprises: a housing; a delivery member cover configured to be received by the housing and configured to move axially relative to the housing; and a cap assembly comprising: a cap having a tubular body provided with a distal opening, the cap being configured to be mounted to a proximal end of a medicament delivery device; a tubular remover configured to be received in the distal opening of the cap, the remover having flexible radially inwards extending grippers configured to engage with a delivery member shield; and a tubular remover insert configured to be received by the remover and configured to be fixedly attached to the cap to prevent axial displacement of the remover insert relative to the cap, wherein the remover is axially displaceable relative to the cap and relative to the remover insert from a first position in which the grippers are pressed radially outwards by an outer surface of the remover insert to a second position located distally relative to the first position, where in the second position the grippers are arranged distally beyond the outer surface of the remover insert enabling the grippers to flex radially inwards to allow engagement with a delivery member shield, and wherein the cap assembly is configured to be mounted onto a proximal end of the housing, and wherein the remover is configured to be received by the delivery member cover. ### Claim 2 (depends on 1) The sub-assembly as claimed in claim 1, wherein the remover has an outer surface provided with a first radial protrusion. ### Claim 3 (depends on 2) The sub-assembly as claimed in claim 2, wherein the first radial protrusion extends in the circumferential direction along the outer surface of the remover. ### Claim 4 (depends on 2) The sub-assembly as claimed in claim 2, wherein the outer surface of the remover is provided with a second radial protrusion. ### Claim 5 (depends on 4) The sub-assembly as claimed in claim 4, wherein the second radial protrusion is located proximally relative to the first radial protrusion. ### Claim 6 (depends on 4) The sub-assembly as claimed in claim 4, wherein the second radial protrusion extends in the circumferential direction along the outer surface of the remover. ### Claim 7 (depends on 4) The sub-assembly as claimed in claim 4, wherein the remover has a proximal end portion provided with a flange. ### Claim 8 (depends on 7) The sub-assembly as claimed in claim 7, wherein the cap has a base member defining a proximal end of the cap and a radial surface arranged distally from the base member, where the base member and radial surface delimit a remover movement space, wherein the flange of the remover is configured to be arranged in the remover movement space thereby enabling axial movement of the flange between the base member when the remover is in the first position and the radial surface when the remover is in the second position. ### Claim 9 (depends on 8) The sub-assembly as claimed in claim 8, wherein the base member is configured to be attached to the tubular body of the cap, and wherein the remover insert is configured to be fixedly attached to the base member. ### Claim 10 (depends on 2) The sub-assembly as claimed in claim 2, wherein the first radial protrusion is configured to engage with a proximal end portion of the delivery member cover such that proximal movement of the cap causes distal movement of the remover relative to the cap, from the first position to the second position thereof. ### Claim 11 (depends on 4) The sub-assembly as claimed in claim 4, wherein the second radial protrusion is configured to be arranged proximally from a proximal end of the delivery member cover when the cap assembly is mounted to the delivery member cover to restrict distal movement of the remover relative to the delivery member cover. ### Claim 12 (depends on 1) A medicament delivery device comprising the sub-assembly of claim 1. ### Claim 13 (depends on 9) A medicament delivery device comprising the sub-assembly of claim 9. ### Claim 14 (depends on 12) The medicament delivery device as claimed in claim 12, wherein the medicament delivery device further comprises a medicament container assembly inside the housing and a power pack. ### Claim 15 A method of assembling a medicament delivery device, comprising the steps of: a) providing a sub-assembly comprising: a cap having a body provided with a distal opening; a remover received in the distal opening of the cap, the remover having flexible radially inwards extending grippers configured to engage with a delivery member shield; a remover insert received by the remover and fixedly attached to the cap to prevent axial displacement of the remover insert relative to the cap, wherein the remover is axially displaceable relative to the cap and relative to the remover insert from a first position in which the grippers are pressed radially outwards by an outer surface of the remover insert to a second position located distally relative to the first position, where in the second position the grippers are arranged distally beyond the outer surface of the remover insert enabling the grippers to flex radially inwards to allow engagement with a delivery member shield; a housing; and a delivery member cover having a proximal opening, b) mounting the delivery member cover inside the housing, and c) connecting the cap assembly to the delivery member cover by pushing the remover inside the delivery member cover through the proximal opening of the delivery member cover such that the remover engages with the delivery member cover. ### Claim 16 (depends on 15) The method of assembling a medicament delivery device of claim 15 further comprising the steps of: inserting a medicament container assembly inside the housing through a distal end of the housing; and mounting a “power pack” from a distal end of the housing.