| 摘要 |
<p>1. Device for detecting the rotatability of the cervical vertebral column, characterised by a mounting (12) for the back of the head which permits a rotating movement of the head in relation to the trunk of an examinee (27) about the axis of the cervical vertebral column, a writing surface (38) perpendicular to the axis of the cervical vertebral column and a carrier (28), for securing to the facial part of the examinee, for a writing element (30) for the recording of an arc (42), corresponding to the rotatability of the cervical vertebral column, on the writing surface (38).</p> |
