A cervical traction and exercise device adapted to be secured about the head and neck for imparting the desired lordotic shape into the cervical region of the spine and manipulating the spine and surrounding tissue to promote fluid and cellular exchange in and around the intervertebral discs. The device...http://www.google.com/patents/US5569176?utm_source=gb-gplus-sharePatent US5569176 - Inflatable cervical traction and exercising device
