Head ring fixation device effectively restricts the head rotation and ensures the fixation of the cervical spine.
Height control device of the occipital bone can control the height of the occipital bone and the occipital bone.
Height control structure of thoracic pressure plate can be adjusted according to the patient's body size.
Occipital vernier device can adjust the height of the occipital to 15 degrees.
Occipital control device is suitable for all kinds of occipital shape.
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