FIELD: medical engineering. SUBSTANCE: bush for striking is set on hand-operated electromagnetic hammer and secured on it by means of spring fixatives. Sterile needle is inserted into bush through hole in telescopic guide, and the latter is distributed over entire length of needle. Needle is introduced into soft tissues by simple pressure at required place. This done, hand-operated electromagnetic hammer is switched on. Hammer strikes on bush, thereby moving needle forward. In this case telescopic guide moves and shortens distance from level of introduced part of needle to remaining part of the latter. EFFECT: reduced hazard of traumaticity. 1 dwg
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