Methods: Questionnaires were used to measure the reasons for the comfort changing of 80 cases after inside-nostril speculum operations.
方法对80例鼻内窥镜术后病人舒适改变原因进行问卷调查。
The invention can use the nasal speculum in a magnetic field without generating shifting or influencing magnetic resonance imaging in the operation, and has simple and practical structure.
本发明可以在磁场下使用鼻窥镜，不发生移位，不影响术中磁共振成像，结构简单、实用。
The utility model adopts the technical proposal that the checker comprises an arc elastic arm and an extending arm, and is characterized in that a speculum is fixedly arranged on the arc elastic arm.
本实用新型的技术方案是：包括弧形弹力臂和扩撑臂，其特征是在弧形弹力臂上固定设有窥视镜。
The utility model adopts the technical proposal that the checker comprises an arc elastic arm and an extending arm, and is characterized in that a speculum is fixedly arranged on the arc elastic arm.
本实用新型的技术方案是：包括弧形弹力臂和扩撑臂，其特征是在弧形弹力臂上固定设有窥视镜。
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