Medical apparatus and instruments, namely, compression socks for therapeutic and medical purposes, knee-high hosiery for medical, surgical and prophylactic purposes, medical and surgical socks and gloves, graduated compression hosiery, namely, knee high hose; electrical appliances for medical purposes, namely, apparatus for stimulating circulation; electrical appliances for medical purposes, namely, portable apparatus for stimulating circulation; electrical appliances for medical purposes, namely, contact apparatus for deriving electrical signals from human bodies; electrical appliances for medical purposes, namely, portable ultrasound devices, namely, portable medical ultrasound imaging apparatus and structural parts and fittings therefor; electrical appliances for medical purposes, namely, apparatus for reducing breathlessness; electrical appliances for medical purposes, namely, apparatus for improving breathing performance; electrical appliances for medical purposes, namely, apparatus for training breathing techniques; electrical appliances for medical purposes, namely, apparatus for the treatment of breathing difficulties; therapeutic body training apparatus, namely, a medical device for applying therapeutic stimulation to the body for the treatment of vascular disease and Oedema; a medical device for respiratory muscle training; physical exercise articles for physical training for medical purposes, namely, electronic stimulation devices for applying therapeutic stimulation to the body for improving circulation, improving muscle performance, for muscle strengthening, relieving pain, relieving muscle pain, relieving tired muscles and limbs, relieving aching muscles and limbs, for reducing swelling, for reducing oedema, for relieving swollen feet, for relieving cramp, for relieving restless leg syndrome, for relieving chronic pain, for relieving pain associated with arthritis and osteoarthritis, for relieving musculoskeletal pain, for relieving diabetic neuropathic pain, for reducing pain and symptoms associated with arterial disease, for reducing pain and symptoms associated with venous disease and varicose veins, and for relieving post-surgical pain; respiratory apparatus for loading the breathing muscles for medical or curative purposes in order to improve their performance; body massage apparatus; electronic body massagers; foot massage apparatus; electronic foot massagers