Maternity support belts for medical purposes; Massage apparatus and instruments; Pessaries; Breathing apparatus for medical purposes; Oxygen concentrators for medical applications; Beds specially made for medical purposes; Medical apparatus and instruments for treating osteoarthritis, osteoporosis, osteotraumatic injuries, degenerative bone diseases and joint diseases; Medical devices for Kegel exercises, namely, pelvic floor exercisers for use to treat symptoms of urinary incontinence and fo...