Apparatuses and methods for delivering a fluid, including a viscous fluid. These apparatuses may include a fluid reservoir, two or more piston chambers, a manifold, a delivery port, and a drive assembly and may be configured to inject either a predetermined amount of fluid or a continuous stream of fluid. These apparatuses may also be configured to switch between filling, injection and aspiration modes. These apparatuses may generally be hand-held and lightweight and may provide a significant mechanical advantage to the user.

A medicament delivery device is presented having a housing with a proximal end and a distal end, a multi-chamber container arranged in the housing, a power assembly having accumulated energy arranged in the housing and configured to act on the multi-chamber container for obtaining and delivering a blended compound inside the multi-chamber container and a manually operable assembly extending from the distal end of the housing and being connected with the power assembly, wherein upon a manual movement of the manually operable assembly the power assembly is forced to move towards the proximal end to pressurize the multi-chamber container and wherein the medicament delivery device further comprises a needle shield sleeve slidably arranged in the housing, the needle shield sleeve being configured to interact with the power assembly to release the accumulated energy after the power assembly has been moved towards the proximal end.

A mixing device configured to hold two containers, each having a separate medicament component disposed therein. A fluidic channel is provided that upon creating fluidic communication with each container once seals about each container are opened. Then a transfer mechanism can transfer the medicament components from one container to the other container until ready to be delivered or transferred through the fluidic channel through a delivery assembly.

An apparatus includes a housing, an energy storage member, a carrier, a medicament container, and a delivery control mechanism. The housing defines a gas chamber configured to receive pressurized gas from the energy storage member to pressurize the gas chamber. The carrier has a proximal surface that defines a portion of the gas chamber. The medicament container is coupled to the carrier and has a distal end portion coupled to a delivery member. The medicament container contains a medicament and includes an elastomeric member that seals the medicament within the medicament container. The delivery control mechanism is coupled to a proximal end portion of the medicament container and includes a flow restriction member for regulating a pressure supplied by the gas chamber and entering into the medicament container that acts on the elastomeric member.

A medicament delivery device includes a housing having a longitudinal axis, a container holder, an axially movable plunger adapted to be displaced along the longitudinal axis into the container holder, and an energy accumulating member arranged inside the housing and adapted for displacing the plunger along the longitudinal axis. The plunger includes an outer plunger rod and an inner plunger rod arranged at least partially inside the outer plunger rod, the inner plunger rod being threadedly engaged with the outer plunger rod and manually rotatable to displace the inner plunger rod along the longitudinal axis into the container holder.

A medicament delivery device is presented having a second housing part, a plunger rod arranged in the second housing part and configured to act on a stopper arranged inside a multi-chamber container. A first housing part contains the multi-chamber container, where the first housing part is arranged to be manually displaced into the second housing part by relative rotation between the first and the second housing parts for mixing at least two substances arranged inside the multi-chamber container. The delivery device further has a rotating contact element arranged between said plunger rod and said stopper capable of rotating in relation to said plunger rod.

A dual chamber syringe, comprising a syringe barrel having a forward end, a rearward end and at least one bypass protrusion arranged along the longitudinal extent of the syringe barrel; a finger grip element coupled to the rearward end of the syringe barrel, the finger grip comprises at least one protrusion extending radially inwardly from an inner surface thereof; a plunger rod operatively coupled with the finger grip element; a guiding track is formed on the plunger rod and comprises a helical track portion and a longitudinal track portion; and wherein upon relative displacement of the plunger rod and said finger grip element, the at least one protrusion is guided along the guiding track.

An autoinjector for administering medications. The autoinjector includes an injector unit that includes a cartridge housing, a first carpule to contain a medication for administration and a second carpule to contain a second medication. The carpules are positioned within the interior area of the cartridge housing. The autoinjector further includes an activator unit having an activation housing, a first and second activation engine positioned within an interior area of the activation housing. Each activation engine includes a spring and a piston, such that the spring and piston are co-axial with the carpules. The autoinjector further includes a retainer to retain the springs, a safety disk positioned at a proximal end of the activation housing, and a safety element to engage the safety disk and maintain the activator unit in a storage setting.

A cartridge for use with a beneficial agent delivery device having a tillable reservoir. The cartridge includes a reconstitution, unit dose package having first and second compartments and a fitment. The first compartment contains at least a first constituent of the beneficial agent. The second compartment contains at least a second constituent of the beneficial agent. The fitment is disposed on the package for interfacing the package to the tillable reservoir.

Disclosed is an auto injector and a related method, and a related system, for administering injection of a medicament comprising a first medicament component and a second medicament component. The auto injector comprising a housing, a receiving part, an operational module and a processing unit. The processing unit being configured to operate a syringe operational part to move a carrier to mix the first medicament component and the second medicament component to obtain a mixed medicament. The movement of the carrier having a time varying acceleration profile. The time varying acceleration profile having a first maximum acceleration in a first mixing direction and a second maximum acceleration in a second mixing direction. The first maximum acceleration and/or the second maximum acceleration is larger than a predetermined acceleration threshold.