| 摘要 |
A medical system (200), system parts (221, 230) and a method for detachabl y establishing a spatial orientation between a body implant (210) and an aimin g device (280) comprise the invention. Thereby, a positioning arm (230) being connect ed to the aiming device (280) and an adaptor device (221) being connected to or integrally formed with a bone stabilizing plate (210) are hooked into each other. This is realized by means of an engaging element (245a, 245b) of the positioning arm (230), which engaging element (245a, 245b) is designed such that it may be coupled with a n attachment element (225a, 225b) of the adaptor device (221). Further, there is provided a snapping mechanism (350) which is designed to automatically engag e in an interlocking element (327) of the adaptor device (321), when the positioning arm (330), when hooked into the adaptor device (321), is rotated relative to the adaptor (321) device towards a final angular position.
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