软件名称：Osteotomy MR
版本：1.0
平台：Apple Vision Pro / visionOS
Osteotomy MR 只在本机运行，用于研究与教学中的三维观察和截骨练习。软件不设账号，不登录，不上网，也不向开发者或其他第三方发送数据。
Osteotomy MR runs only on this device, for research and teaching. It has no accounts, no sign-in, and no network connection. It does not send data to the developer or any third party.
一、收集哪些信息 / What is used
软件不收集姓名、联系方式、健康档案、病历、影像报告或任何可识别个人身份的信息。
The app does not collect names, contact details, health records, medical reports, imaging reports, or other personally identifying information.
使用过程中，软件只在设备上处理以下内容：
During use, the app processes the following only on this device:
你导入的骨骼 STL，以及你导入的 USDZ 截骨工具。
Bone STL files and USDZ cut tools that you import.
截骨后的三维模型。只有在你点「导出 STL」并自己选择保存位置时，才会写成文件。
The cut 3D model. A file is written only if you tap Export STL and choose a save location.
手部追踪数据，用于抓住骨骼、截骨工具，以及使用空间橡皮擦。这些数据只在设备上实时用于操作，不保存、不上传。
Hand-tracking data, used to grab the bone, grab the cut tool, and run the space eraser. This data is used in real time on the device only. It is not stored or uploaded.
世界感知数据，用于在混合空间中放置骨骼和截骨工具。软件不保存房间扫描、环境地图或周围影像。
World-sensing data, used to place the bone and cut tool in mixed space. The app does not save room scans, environment maps, or surrounding images.
二、权限 / Permissions
手部追踪：用于抓住模型和空间橡皮擦。可在系统设置中关闭。关闭后，抓取和橡皮擦不能使用。
Hand tracking: used to grab models and to use the space eraser. You can turn it off in Settings. After that, grabbing and the eraser will not work.
世界感知：用于在混合空间中放置模型。可在系统设置中关闭。关闭后，模型可能无法正确放进真实空间。
World sensing: used to place models in mixed space. You can turn it off in Settings. After that, models may not sit correctly in the room.
软件不申请相机、麦克风、通讯录、相册或位置权限。