A patient support and software evaluate spinal instability by controlled isocentric rotation of the spine and measurement of rotation among vertebra to detect damaged vertebra having disproportionately large rotations....http://www.google.es/patents/US7127281?utm_source=gb-gplus-sharePatente US7127281 - Patient support and method for studies of lumbar vertebra rotation
Patient support and method for studies of lumbar vertebra rotation