A syringe (200, 400) for use in a medication delivery device (100) comprises a vial. The vial (201, 411) comprises a chamber (206). The chamber is configured to receive a piston or plunger (205, 416). The syringe further comprises a needle attachment point (202), for the attachment of a hypodermic needle (204). The chamber is offset from the needle attachment point.

A fluid dispensing device adapted for intramuscular injection into a living organism is provided. The device has an energy storage arrangement providing energy in at least two bursts. The first burst is provided from a first energy source and is that which is necessary to pierce the skin of the living organism and insert the needle to the injection site. The second burst is provided by a second energy source and is that which is necessary to pump the fluid out of the reservoir and into the living organism. Optionally, the remaining energy is used to retract the needle out of the living organism. Together with a prescribed operating sequence of the device, use of the two sources of energy contained in the device is optimized to provide the at least two bursts of energy.

In one aspect, the disclosure relates to an injection device configured for expelling of a dose of a medicament. The injection device comprises a housing configured to accommodate a medicament reservoir, and a drive mechanism comprising an electric propulsion configured to mechanically interact with the medicament reservoir and configured to withdraw or to expel an amount of the medicament from the medicament reservoir. The injection device has at least a first interface directly or indirectly connected to the electric propulsion and configured to connect to a second interface of an auxiliary electronic device. The electric propulsion is controllable by the auxiliary electronic device when the first interface and the second interface are interconnected.

A dosage verification system for use prior to administering an injection of a medicinal fluid drawn into a medical syringe, the system comprising a medical syringe having a barrel with an outwardly facing, flat indicia display surface, plunger having a plunger seal disposed inside and slidably engaging an inwardly facing wall of the barrel and a plunger handle projecting rearwardly from the barrel, and a hypodermic needle projecting forwardly from the barrel, all in combination with an imaging device configured to view and selectively capture, store or transmit a digital image of the plunger position relative to the barrel when a dose of the medicinal fluid is drawn into the fluid chamber of the barrel prior to an injection to verify and provide a record of the dosage drawn, and to alert a user prior to injection when an incorrect dosage is drawn into the fluid chamber of the syringe.

An auto-injector for receiving and operating a syringe, the auto-injector comprising: a housing for receiving the syringe. The housing comprise a main body and a door operable between a first and a second position. The syringe is receivable within the housing when the door is in the first position. The auto-injector comprises at least one biaser configured to bias the door from the first position towards the second position, or from the second position towards the first position. The auto-injector comprises a plunger driver being configured, on activation of the auto-injector, to drive a plunger forward within the auto-injector to operate the syringe received within the auto-injector, the plunger driver being further configured to be primed when the door is moved in the direction that the biaser biases the door.

An injector device for the percutaneous injection of fluids, such as medications, is disclosed. The device can have a mobile phone case. The mobile phone case can hold an auto-injector cartridge having a trigger, spring-loaded needle and reservoir holding a medication such as epinephrine or insulin. The device mobile phone case can communicate injection data to the phone. The phone can communicate the injection data to an emergency service provider.

A self-injection device with a miniaturized drug delivery portion is provided. The device includes a housing (10) having an interior volume and the drug delivery portion (20) has a volume enclosed within the housing. The drug delivery portion includes a reservoir (30) containing a fluid to be delivered to a user and a microneedle (22) in fluid communication with the reservoir and extendable through the housing. The drug delivery portion also includes a drive mechanism for expelling fluid from the reservoir through the microneedle, wherein the volume of the drug delivery portion is less than 40% of the interior volume of the housing. The volume of the drug delivery portion may be less than 30% of the interior volume of the housing.

Described is an autoinjector comprising a case, a door hingedly coupled to the case and having an open position and a closed position, a plunger slidably disposed in the case, and at least one drive spring applying a biasing force on the plunger relative to the case, wherein the door is operably coupled to the plunger, and wherein rotation of the door from the closed position to the open position moves the plunger from a distal position in the case to a proximal position in the case and compresses the at least one drive spring.

Some embodiments of a low profile intramuscular auto-injector optionally comprise a contact surface contoured to fit a body surface. Optionally a height of the injector is less than ¼ a perimeter of the contact surface. Optionally a cover protects said contact surface. Optionally the device includes a priming mechanism coupled to the cover wherein removal of the cover activates the priming mechanism for priming the injector and/or increasing a height of the injector. Optionally the injector includes a cylindrical pharmaceutical reservoir rigidly attached to an injection needle. Optionally in a compact storage state the injection needle is at a low angle to the contact surface. Optionally during priming the needle and/or reservoir rotate to orient the needle at a higher angle to the contact surface.

Aspects of the present invention relate to an injection device comprising a housing configured to house a syringe, an activation member, a drive mechanism configured to, upon activation by the activation member, drive the plunger driver between a first, initial, position and a second, final, position thereby to operate the syringe within the housing and a damping mechanism configured to damp movement of the plunger driver in either a forward or rearward motion. In this way, tolerances in plunger position may be accounted for. Plunger position may affect the amount of travel of the plunger driver before the plunger driver is in contact with the plunger and the plunger is in contact with the drug within the barrel. During this travel, the drive force may cause rapid acceleration of the plunger driver, which may then cause damage to the syringe or discomfort to the recipient of the injection when contact between the three elements is made. Damping of the forward motion of the plunger driver reduces or overcomes the risk of this.