Shl Medical Ag

Brian Maxfield

Mattias Daniel

Sebastian Karlsson

Anders Lennart Boström

Anders Boström

Dane Kris

Jason Frost

A dose delivery mechanism and a medicament delivery device are presented having a housing holding a medicament container and a power unit, where the power unit has a plunger rod, a drive spring, operably arranged to act on the plunger rod and on the medicament container. A locking ring is operatively engaged with an actuator having a holding ledge that can releasably hold the plunger rod with the drive spring in a tensioned state, and with an actuator sleeve to form a lock that prevents axially movement of the actuator after dose delivery. The locking ring also cooperates with the actuator to generate an end-of-dose delivery signal. An activator is directly engaged with the actuator to provide a well-defined activation point.

Medicament delivery device with a locking mechanism

A triggering mechanism for a medicament delivery device, wherein the triggering mechanism comprises: a delivery member cover, a rotator, and a delivery member hub, wherein the delivery member cover is configured to move linearly relative to the rotator, wherein the delivery member cover is configured to cause rotation of the rotator when the delivery member cover is moved linearly in a first direction, and wherein the rotator is configured to cause linear movement of the delivery member hub in a second direction opposite to the first direction when the rotator is rotated.

Triggering mechanism for a medicament delivery device

A medicament delivery device extends along a longitudinal axis and includes: a generally tubular elongated housing having a proximal and a distal end, where the generally tubular elongated housing is arranged to accommodate a medicament container; a drive unit comprising a drive element and plunger rod operably arranged to act on the medicament container; a tubular element rotatably arranged in relation to the housing and operably arranged to the plunger rod, where the plunger rod includes at least one holding member and where the tubular element includes at least one arm extending generally transversal to the longitudinal axis of the device, wherein the at least one arm is arranged to engage the at least one holding member on the plunger rod to releasable hold the drive unit in an energy accumulated state.

Medicament delivery device with rotator retaining the plunger rod

A sub-assembly of a medicament delivery device is presented, where the sub-assembly includes a plunger rod that is biased, a main body arranged on the plunger rod, and a coupling member movable relative to the main body, where the main body includes a first locking element, the coupling member includes a second locking element, and where the first locking element and the second locking element are configured to be releasably engaged with each other such that the coupling member is prevented from moving relative to the main body.

Sub-assembly of a medicament delivery device and a medicament delivery device

A needle shield remover is presented having a generally tubular body with a longitudinal extension and a grip element composed of a braided sleeve arranged to the tubular body, where the braided sleeve has an opening of such a diameter that a needle shield may be introduced, where the diameter narrows such that a friction fit is created between the braided sleeve and the needle shield when said needle shield is pulled for removing the needle shield.

Needle shield remover

A needle shield remover is presented having a generally tubular body with a longitudinal extension and a number of grip elements arranged at a distal area of the body, where the grip elements extend radially inwards from a circumference of the body. At least one longitudinally extending cut-out in the body and adjacent to the grip elements engage an outer surface of a needle shield when the needle shield remover is pushed onto the needle shield, where the at least one cut-out enables a generally radial outwardly bias of the grip elements during the pushing action to facilitate mounting of the needle shield remover on the needle shield.

A medicament delivery device extends along a longitudinal axis and includes: a generally tubular elongated housing having a proximal and a distal end, where the generally tubular elongated housing is arranged to accommodate a medicament container; a drive unit comprising a drive element and plunger rod operably arranged to act on the medicament container; a tubular element rotatable rotatably arranged in relation to the housing and operably arranged to the plunger rod, where the plunger rod includes at least one holding member and where the tubular element includes at least one arm extending generally transversal to the longitudinal axis of the device, wherein the at least one arm is arranged to engage the at least one holding member on plunger rod to releasable hold the drive unit in an energy accumulated state.

A cap assembly for a medicament delivery device is disclosed. The cap assembly includes a cap configured to be mounted to a proximal end of the medicament delivery device, wherein the cap comprises a cam surface. The cap assembly further includes a squeezer comprising (i) a body defining a first longitudinally extending channel configured to receive a delivery member shield and (ii) a plurality of radial arms flexible in a radial direction. The cap assembly also includes a spinner comprising (i) a proximal end face configured to cooperate with the cam surface of the cap, (ii) a body defining a second longitudinally extending channel configured to receive the squeezer, and (iii) a plurality of holes in the body of the spinner configured to receive the plurality of radial arms of the squeezer.

Cap assembly for a medicament delivery device

The present invention relates to a drive mechanism for a medicament delivery device, comprising a plunger rod () arranged to act on a stopper () arranged in a medicament container (); a compression drive spring () operably connected to said plunger rod () and capable of applying a force on said plunger rod (); a spring guide () arranged coaxial with, and radially outside, said compression drive spring (), capable of preventing buckling of said drive spring, wherein said spring guide () comprises a resilient force element () capable of applying a force on said medicament container ().

Drive mechanism

The present disclosure relates to a medicament container assembly () for a medicament delivery device, comprising: an elongated body () configured to receive a medicament container () and provided with a radially flexible first gripper arm () extending in the axial direction of the body () and an oppositely arranged radially flexible second gripper arm () extending in the axial direction of the body (), wherein the first gripper arm () and the second gripper arm () are configured to support a neck portion of a medicament container, and a clamp member () configured to be arranged radially outside of the first gripper arm () and the second gripper arm (), to press the first gripper arm () and the second gripper arm () radially inwards, to prevent proximal displacement of a medicament container.

Medicament container assembly for a medicament delivery device

A medicament delivery device is presented having an elongated housing extending in a longitudinal direction, which housing is arranged to accommodate a medicament container, an end cap arranged with a first attachment element designed to engage with a second attachment element on the housing for attaching the end cap to the housing, a rotator rotatably arranged inside the housing, an activator axially slidable with respect to the housing from an extended position to a retracted position and operably connected to the rotator such as to rotate the rotator from an initial non-activated rotational position and an activated rotational position when the activator is moved from the extended to the retracted position. The rotator further comprises a blocking element arranged to cooperate with the first attachment element for preventing disengagement of the first attachment element from the second attachment element when the rotator is in the activated rotational position.

Medicament delivery device

The present disclosure relates to a cap assembly () for a medicament delivery device, comprising: a cap () having a tubular body () defining an axially extending distal opening () and configured to be mounted to a proximal end of a medicament delivery device, wherein the cap () has a bottom structure () defining a proximal end of the distal opening (), wherein the bottom structure () has a cam structure () provided inside the tubular body (), and wherein the tubular body () has inner walls provided with radial recesses (), and an elongated squeeze member () configured to be received in the distal opening () of the tubular body (), and having a longitudinally extending channel () configured to receive a delivery member shield, and which squeeze member () has radial arms () flexible in the radial direction and forming part of a wall of the channel (), wherein the squeeze member () has a proximal end face () configured to cooperate with the cam structure () of the cap (), whereby axial displacement of the squeeze member () from a first position in which the proximal end face () bears against the cam structure () to a second position in which the squeeze member () is received further by the cap () causes rotation of the squeeze member () relative to the cap (), wherein the radial arms () are configured to engage with a respective radial recess () of the tubular body () in the first position of the squeeze member (), and wherein the radial arms () are configured to disengage from the respective radial recess when the squeeze member () is displaced from the first position to the second position and rotated, whereby the flexible radial arms () are pressed into the channel () by the inner walls of the tubular body (), reducing a cross-sectional area of the channel ().

Growing community of inventors

Delray Beach, FL, United States of America

Brian Maxfield