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 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。
应用推荐