10 medical goods, namely, folding invalid walkers with or without wheels; forearm and underarm crutches; over-bed patient treatment tables; over-the-door traction apparatus for medical use; invalid lifts; phototherapeutic apparatus for medical purposes; tens units; portable oxygen units for medical use; aerosol therapy units for medical purposes, including intermittent positive pressure bennett machines and ultrasonic nebulizers; heated mist units for medical purposes; percussors, continuous positive airway pressure units; stationary suction machines; oximetry units; blood glucose monitors; apnea monitors; overnight oximetry units; orthotic and prosthetic devices for use in cervical, throat, shoulder, arm, wrist, finger, thoratic, breast, spinal, hip, leg, knee, ankle, and foot use; bone growth stimulators; and doppler monitors used in venus studies to identify blood clots and other obstructions in veins