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Cervical vertebra retractor applies to the cure and prevention of cervical fracture, vertebra surge, 

protrusion of the intervertebral disc and over-extended and over-flection. 

Retracting from the cervical vertebra retractor may make the vertebra expedite, 

improve the blood support to the brain, prevent disease with cervical vertebra. 

It adopts flocking cloth of soft stockinet, with emulision of tensile elasticity as the middle layer.

Retracting pressure：0～30 Kpa

Retracting distance：1～20cm