Trade name: Kefu medical cervical spine fixator, head cervical support, neck protection, post operation male and female cervical spine with support, domestic support, fixator upgrade, foam type, M size, new upgrade, enhanced version [cervical tractor] | Trade name: Kefu medical cervical spine fixator, head cervical support, neck protection, post operation male and female cervical spine with support, domestic support, fixator upgrade, foam type, M size, new upgrade, enhanced version [cervical tractor] |