| 摘要 |
A screw device having a thread part 12 which is intended to be screwed into a hole in bone 1, preferably for orthopaedic use, with the screw 11 being locked against rotation by means of at least one disc-shaped locking leaf 21 which, after the screw has been screwed in, is pressed axially into a slit 24 in the surface of the screw 11 and, in connection with this, cuts, by means of a projecting part, a notch in surrounding bone material. <IMAGE> |
