| 摘要 |
It is described a medical system (200), system parts (221, 230) and a method for detachably establishing a spatial orientation between a body implant (210) and an aiming device (280). Thereby, a positioning arm (230) being connected 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 one engaging element (245a, 245b) of the positioning arm (230), which engaging element (245a, 245b) is designed such that it may be coupled with an attachment element (225a, 225b) of the adaptor device (221). Further, there are provided two snapping mechanism (350) which are designed to automatically engage in interlocking elements (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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