A device for a correctly targeted formation of a drill bore centrally in a femoral attachment site of a posterior cruciate ligament of a knee joint comprises a hollow shaft for guiding a drill wire therethrough and a sighting element arranged at a distal end of the hollow shaft. Said sighting element...http://www.google.es/patents/US7972341?utm_source=gb-gplus-sharePatente US7972341 - Device for forming a drill hole in bone
