| 摘要 |
The present invention relates to a device at medullary nails for fixation of bone fragments at bone fractures, wherein a medullary nail (5) is insertable into holes (6) in medullary canals in the bone fragments. Front parts (5b) of the medullary nail (5) can be locked to one of the bone fragments by means of a locking means (9) which is transversely located in the bone fragment and extends through a transverse hole (10) in said front parts (5b) of the medullary nail (5). The front members (5b) of the medullary nail (5) includes a snap-in device (11) for attaching with a snap-in action the medullary nail (5) to the locking means (9).
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