采用本实用新型可使所钻骨孔的位置精度显著提高，且操作方便。
The application of the utility model can improve the accuracy of the place of the bone hole that is to be drilled, and the operation is convenient.
一些助听装置也是通过骨传导将声音传至耳蜗，但有的需要钻颅骨放置钛棒，还有的需要戴累赘的耳机。
Some existing hearing AIDS also use bone conduction to transmit sounds to the cochlea, but these either require a titanium post to be drilled into the skull, or rely on cumbersome headsets.
此外，3个病人术中钻20个螺钉骨通道，同样应用术中超声导管和CT扫描进行检查。
In addition, 20 screw holes were placed intraoperatively in 3 patients, and equally assessed by intraoperative intraosseous ultrasonography and postoperative CT scanning.
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