DEVICE FOR INJECTING IMPLANT IN PROCESS OF REVERSE INJECTION OPERATION Russian patent published in 2010 - IPC A61M37/00 A61M5/32 

FIELD: medicine.

SUBSTANCE: invention relates to medical equipment, namely to devices for injection, in particular device for intramuscular or subcutaneous injection of active pharmaceutical component in solid or semi-solid state, usually called implant. Device for injecting implant in the process of reverse injection operation into the subject skin includes hollow main body, to which attached is hollow needle into which implant is introduced, additional body, located coaxially inside main body and surrounding needle and rod with piston which can slide coaxially inside hollow needle. Included are means which allow rod with piston to preserve its position with respect to needle unchanged, when device for injection is pressed to the subject's skin and when additional body is pulled inside main body and which allows rod with piston to enter hollow needle for holding implant at the required depth in the subject's skin while hollow needle in withdrawn from the subject's skin, in which process additional body leaves main body. Device includes means for springy withdrawal of additional body from main body. Resilient means of reverse movement which control withdrawal of additional body from main body are released automatically bringing additional body into initial position, in which it surrounds hollow needle again.

EFFECT: invention considerably simplifies operation of implant injection.

29 cl, 32 dwg