Impact instrument for joining prosthetic implants

摘要

Impact instrument (1) for joining prosthetic implants, comprising a housing (2) which has a striking pin (3), a first spring element (4) assigned to the striking pin (3), a release device (5) and at least partially a striking piece (6 ), the striker (6) protruding from the housing (2) at one end (7), the triggering device (5) being movable between a fixing position (8) and a release position (9), the firing pin (3) in the fixing position (8) is at a distance from the striking piece (6), the triggering device (5) automatically moving from the fixing position (8) to the release position (9) upon an axial movement of the striking piece (6) into the housing (2) ) moves to release the firing pin (3) after reaching the release position (9) so that it accelerates from the first spring element (4) moves in the direction of the hammer (6), the triggering device (5) having a first sleeve ( 10) which is arranged axially movable in the housing (2) and receives the firing pin (3), the first sleeve (10) having at least one opening (11) on the circumference, at least one blocking body (12) being arranged in the opening (11) .