An autoinjector including a housing; an axially fixed product container; a torsion spring; a drive element; a propulsion element; and a needle protection sleeve is configured such that when the autoinjector is pressed against an injection location, the needle protection sleeve undergoes an actuation movement in the proximal direction. For discharging liquid from the product container through an injection needle into the injection location, the torsion spring sets the drive element into rotation and the rotating drive element causes a movement of the propulsion element and a piston in the product container in the distal direction. The autoinjector includes a coupling which, due to the actuation movement of the needle protection sleeve, releases the drive element for rotation, where the coupling is between a first and second coupling element in an engagement of locking surfaces, and can be disengaged by an axial coupling stroke of the two coupling elements.

An electronic add-on module for an injection device includes a longitudinal axis and a discharge button arranged at a proximal end and configured to be movable in a distal direction along the longitudinal axis for discharging a liquid medication out of a container of the injection device. The add-on module includes a sensor unit, a receiving region adapted to the shape of the housing of the injection device for placing on along the longitudinal axis thereof, and a holding mechanism configured to releasably secure the add-on module against moving axially relative to the injection device. The receiving region is configured such that the discharge button can be accessed or contacted when the add-on module is on the injection device. The add-on module comprises a release element configured to be moved solely on a plane perpendicular to the longitudinal axis in a release movement for releasing the holding mechanism.

An electronic add-on module for an injection device includes a longitudinal axis and a discharge button arranged at a proximal end and configured to be movable in a distal direction along the longitudinal axis for discharging a liquid medication out of a container of the injection device. The add-on module includes a sensor unit, a receiving region adapted to the shape of the housing of the injection device for placing on along the longitudinal axis thereof, and a holding mechanism configured to releasably secure the add-on module against moving axially relative to the injection device. The receiving region is configured such that the discharge button can be accessed or contacted when the add-on module is on the injection device. The add-on module comprises a release element configured to be moved solely on a plane perpendicular to the longitudinal axis in a release movement for releasing the holding mechanism.

According to an embodiment, a painless syringe with an anti-slip structure for perforating an alveolar bone and injecting an anesthetic comprises an injecting part having a needle for perforating the alveolar bone and injecting the anesthetic, a holder having a first end coupled with the injecting part and a second end open and empty, an ampoule formed to be inserted into the holder and having a first end into which the needle of the injecting part is inserted and a second end having a piston for discharging the anesthetic, a housing formed to receive the holder and having a through hole to expose the first end of the holder to an outside, and a handpiece coupled with the housing, rotating the ampoule, the holder, and the injecting part to perforate the alveolar bone, and pressing the piston to inject the anesthetic.

According to an embodiment, a painless syringe for reducing noise and friction caused when perforating an alveolar bone comprises an injecting part having a needle for perforating the alveolar bone and injecting an anesthetic, a holder having a first end coupled with the injecting part and a second end open and empty, an ampoule formed to be inserted into the holder and having a first end into which the needle of the injecting part is inserted and a second end having a piston for discharging the anesthetic, a housing formed to receive the holder and having a through hole to expose the first end of the holder to an outside, and a handpiece coupled with the housing, rotating the ampoule, the holder, and the injecting part to perforate the alveolar bone, and pressing the piston to inject the anesthetic.

A drive mechanism for a medication delivery device containing a resilient member and having a rotation member configured to be rotated in a first direction during setting of a dose of a medication and to be rotated in a second direction during delivery of the dose, where the rotation member is coupled to a drive member that is coupled to a piston rod such that on dose delivery the piston rod is displaced in a distal direction to dispense a medicament and where the resilient member prevents movement of the drive member and the piston rod during dose setting.

A drive mechanism for a medication delivery device containing a resilient member and having a rotation member configured to be rotated in a first direction during setting of a dose of a medication and to be rotated in a second direction during delivery of the dose, where the rotation member is coupled to a drive member that is coupled to a piston rod such that on dose delivery the piston rod is displaced in a distal direction to dispense a medicament and where the resilient member prevents movement of the drive member and the piston rod during dose setting.

An illustrated view of an exemplary emergency kit for use in an emergency medical condition and a method for automating the ordering of the emergency kits for dentist is presented. The emergency kit is useful for providing short-term medical relief in an emergency while waiting for ambulance or other emergency medical personnel to arrive at the scene. The emergency kit provides a useful medical syringe for use by a dentist in a mouth of a patient experiencing an emergency medical condition.

An injector device includes a housing and a cartridge having a reservoir for medicament. The injector device further includes a needle unit comprising a needle, and an actuator. The needle unit is movably mounted to the housing and, prior to use of the injector device the reservoir, is sealed from the needle. The actuator is configured to move the needle unit 5 into engagement with the cartridge such that the needle is moved into fluid communication with the reservoir. A thread is arranged to cause rotation of the needle unit as the needle unit moves into engagement with the cartridge.

The disclosure relates to systems, methods and apparatus of storing, transporting, mixing, and injecting a drug as a solution, and in some embodiments, to a drug injection apparatus and system intended for use in mixing on demand a drug with a liquid, such as water, in a premeasured quantity and dosage, and injecting the drug mixture using an integrated hypodermic needle assembly. Also provided are methods of using such apparatus and systems.