Wearable monitors used to measure biometric data for medical use; Wearable walking assistive robots for medical purposes; Wearable wrist, ankle and torso monitors used to measure biometric data for medical use; Weight lifting machines for physical therapy; Weighted knives, forks, and spoons being tableware adapted for persons with disabilities; Wheeled walkers to aid mobility; Whirlpools for use in hospitals or for therapeutic use; Wireless transmitters and receivers for use with hearing aids; Wound drainage apparatus; Wound irrigation apparatus; Wound suction apparatus; X-ray apparatus for dental imaging; X-ray apparatus for medical purposes; X-ray apparatus for medical use; X-ray apparatus for veterinary use; X-ray appliances for dental and medical use; X-ray CT scanners; X-ray diagnostic apparatus; X-ray photographs for medical purposes; X-ray tubes for medical purposes