INJECTION DEVICE WITH FEEDBACK MECHANISM FOR DOSING TERMINATION REPORT Russian patent published in 2010 - IPC A61M5/315 A61M5/24 

FIELD: medicine.

SUBSTANCE: invention refers to a device for the introduction of liquid dosage forms to a mammal, preferentially to a human, preferentially subcutaneously, in more detail, the present invention refers to an injection device able to transfer a non-visual feedback signal to the user to indicate that a specified dose is introduced by the injection device. The injection device contains a body, a dose adjustment element, a piston rod and a dosing mechanism. The dose adjustment element is actuated by the user to specify a required dose for injection. The rod is designed to interact with the piston to ensure the introduction of the adjusted dose from an ampoule. The dosing mechanism is designed to actuate on the piston rod to ensure the introduction of the adjusted dose. Besides the dosing mechanism is designed to transmit a non-visual feedback signal to the user after the dosing termination only. The first and second sections of the injection device rotate relatively to each other during dosing that causes at least two sections of the injection device to rest on or interlock with each other. Said rest or interlocking enables a non-visual feedback signal to be transmitted.

EFFECT: invention ensuring exact and non-visual indication of the dosing termination to the user.

12 cl, 15 dwg