A portable intelligent stretching device for use by patients suffering from spastic and contractured joints and limbs. The intelligent stretching device has a motor and a motor shaft for rotating the joint or limb. The variable velocity and stretch distance of the device is determined by a torque sensor...http://www.google.es/patents/US6599255?utm_source=gb-gplus-sharePatente US6599255 - Portable intelligent stretching device
