Endoscopic insertion apparatus

Endoscopic insertion apparatus for a spinal column implant system, said implant system having at least one anchoring element, a bone plate connected to the anchoring element, and at least one connection element for connecting at least two bone plates, said apparatus comprising:

• a screwing-in tool;
• and
• an elongated holding device for holding the bone plate, wherein:
• the holding device comprises an insertion sleeve and a centering element,
• the centering element and the insertion sleeve are connectable to one another in a screwing-in position by a coupling mechanism in the direction of a longitudinal axis of the holding device,
• the centering element and the insertion sleeve are separable from one another in a centering position,
• the coupling mechanism comprises a latch connection having at least one projecting latching lug and at least one projecting latching edge, and
• said latching lug being arranged on one of said centering element or said insertion sleeve and the latching edge is arranged on the other of said centering element or said insertion sleeve.