surgery treat the problems of end-nerve cervical spine. subsite the sympoms.easy in operation and safe and efficient in the tr

1)it can treat the problems of end-nerve cervical spine. it can subsite the sympoms.it is easy in operation and safe and efficient in the treatment.

2) three layers

3)it is suitable  to treat the problems of ennerve spine,surgery,

There are three Inflatable layers ,and big  Inflatable ball with one  Inflatable tubes.

Tractors for cervical spine JZ884