INJECTION DEVICE Russian patent published in 2012 - IPC A61M5/20 

FIELD: medicine.

SUBSTANCE: invention refers to medical equipment, namely to injection devices. The injection device placed and actuating a carpule or a syringe with an injection needle comprises elements relative travel of which enables injection of the active substance. For this purpose, a body holds a receiving element for carpule/syringe insertion and fixation. The receiving element is movable by slide rails. The receiving element holds a movable pusher loading a carpule/syringe piston (pistons). A pull cable inclined by a rolled mounted on the slide rails for following piercing motion, injection motion and back-driving motion. One end of the pull cable is connected with the receiving element, while the other end is connected to a tension spring held on the body. Facilities actuated automatically and/or manually between the body, the receiving element, the pusher and the slide rails are operated by their mutual connection with the pull cable and thereby a sequence of piercing motion, injection motion and back-driving motion. The facilities comprise at least one means with a variable position for user setting of an operation profile of at least one motion.

EFFECT: along with design simplicity, the invention provides higher comfort and safety for the patient.

13 cl, 19 dwg