An electric injection device at least comprises an outer case, a drive mechanism, a transmission mechanism, a linkage mechanism and a push mechanism. The drive mechanism, the transmission mechanism, the linkage mechanism and the push mechanism are all assembled in the outer case, and the drive mechanism is used to drive the transmission mechanism. The transmission mechanism can transmit power to rotate a push block regularly and drive a brake end of the linkage mechanism continuously. The push mechanism comprises at least a pushing shaft and a pushing element. The brake end can continuously push the pushing element, and the pushing element propels the pushing shaft to further push a syringe assembled on the outer case, so as to use electric injection instead of manual injection to complete the syringe.

Various embodiments of a device, a kit and method for delivering a drug depot are disclosed. The device comprises a housing including a lower body, an upper body, a ring member; and a drug cartridge. The lower body defines a lower body channel. The upper body defines an upper body channel. The drug cartridge defines a depot channel. The ring member is disposed extending upward from an annular step surface of the lower body toward a housing upper end. The ring member includes indicia indicating a characteristic of one or more drug depots in the drug cartridge. A plunger has a push rod for expelling the drug depot through the cannula to a site in the patient. A kit comprises the above components. A method includes assembling the components including selecting a ring member having indicia corresponding to one or more drug depots in the drug cartridge.

A drug delivery device configured to provide a dose of medicament is disclosed. The drug delivery device includes a main housing, a syringe arranged in the main housing, and a pneumatic power pack arranged in the main housing. The pneumatic power pack includes a pressurized gas source storing pressurized gas, a valve for the pressurized gas source, a sleeve having an inner wall, and a plunger. The sleeve is configured to receive pressurized gas released from the pressurized gas source. The plunger is in sliding gas-tight engagement with the inner wall of the sleeve. Upon activation of the valve, the valve releases the pressurized gas, and the released pressurized gas flows into the sleeve and propels the plunger in a distal direction with respect to the sleeve and the syringe, so as to eject medicament from the syringe.

A drug delivery device for sequentially delivering a predefined plurality of fixed doses, wherein the drug delivery device comprises a housing assembly, a drive mechanism comprising a drive tube and adapted to sequentially deliver the predefined plurality of doses, and an activation mechanism for activating the drive mechanism. The drive mechanism further comprises a pre-strained torsional drive spring (108, 208) conserving an initial amount of energy, and adapted for rotating the drive tube, wherein each activation of the drive mechanism, and completion of a drive tube dose sequence reduces the amount of conserved energy in the drive spring, and wherein the initial amount of conserved energy, which is the conserved energy before the first activation, is sufficient to deliver the predefined plurality of fixed doses.

A crawling mechanism for a drug delivery device has a central longitudinal axis and is arranged to crawl in an axial direction. The crawling mechanism includes a housing and one or more swing members pivotally coupled to the housing that are arranged to swing relative to the housing between an initial position and a terminal position suitable for urging crawling of the mechanism.

An injection system can have a Syringe Dose and Position Apparatus (SDPA) mounted to a syringe. The SDPA can have one or more circuit boards. The SDPA can include one or more sensors for determining information about an injection procedure, such as the dose measurement, injection location, and the like. The SDPA can also include a power management board, which can be a separate board than a board mounted with the sensors. The syringe can also include a light source in the needle. Light emitted from the light source can be detected by light detectors inside a training apparatus configured to receive the injection. The syringe can have a power source for powering the sensors and the light source. The SDPA and the power source can be mounted to the syringe flange.

A calibration system for calibrating a pressure output of a fluid injector having a housing configured for connecting to the fluid injector; a drive member engagement portion configured for contacting a drive member of the fluid injector; a compressible member, which may have a known modulus of compression, connected at its proximal end to the drive member engagement portion, wherein the compressible member is compressed with movement of the drive member of the fluid injector between a first, uncompressed position and a second, at least partially compressed position of the fluid injector in a distal direction; and a sensor connected to the compressible member is described. The sensor is configured for measuring at least one of a force imparted by the drive member and a displacement of the drive member when the compressible member is in the second, at least partially compressed position. The system may generate a calibration curve for the drive member of the fluid injector and allow the generation of a fault condition. Methods for calibrating a fluid injector are also described.

A drug delivery device configured to provide a dose of medicament is disclosed. The drug delivery device includes a main housing, a syringe arranged in the main housing, and a pneumatic power pack arranged in the main housing. The pneumatic power pack includes a pressurized gas source storing pressurized gas, a valve for the pressurized gas source, a sleeve having an inner wall, and a plunger. The sleeve is configured to receive pressurized gas released from the pressurized gas source. The plunger is in sliding gas-tight engagement with the inner wall of the sleeve. Upon activation of the valve, the valve releases the pressurized gas, and the released pressurized gas flows into the sleeve and propels the plunger in a distal direction with respect to the sleeve and the syringe, so as to eject medicament from the syringe.

Syringe shield for using a syringe that includes a barrel, a tip and a plunger when manipulating a radioactive solution. The syringe shield includes: a shield body in which the syringe is insertable, the shield body having a window; a first flange at a first open end of the syringe shield; a second flange at a second open end of the syringe shield; wherein the second flange, the shield body, and the window include radiation shielding material, and wherein the tip of the syringe is accessible by the second open end of the syringe shield and the plunger extends outside the first open end when the syringe is inserted in the syringe shield.

An injector for delivering a therapeutic product may include a base having a flexible surface that conforms to various body contours of a patient and defines one or more an injection chambers. The injector may have a height that is substantially less than its width, thereby defining a low profile, which provides a larger more stable base that can pinch or stretch the skin in a controlled manner. The larger base can also accommodate larger volumes via multiple injection chambers and/or large combined primary containers.