R. Kölbli

A mechanical distal aiming device for distal locking in femoral nails.

C. Krettek, H. Tscherne, B. Könemann, 1999, Clinical orthopaedics and related research.

Distal locking of unslotted femoral nails. A comparison between a radiolucent drill (RD) and a mechanical distal aiming device (DAD)

C. Krettek, H. Tscherne, B. Könemann, 1998, Der Unfallchirurg.

A new mechanical aiming device for the placement of distal interlocking screws in femoral nails

C. Krettek, H. Tscherne, C. Krettek, 1998, Archives of Orthopaedic and Trauma Surgery.