Ключевые слова: 3d, 3d rendering, aid, assistance, background, certified, concentration, concept, control, delivery, digital, display, electronic, fingertip, guarantee, health, healthcare, heart rate monitor, heartbeat, help, illustration, instrument, insurance, isolated, maintenance, measurement, medical, medicine, mending, meter, monitor, oxygen, portable, protection, pulse, pulse oximeter, quality, recovery, repair, revamp, safety, saturation, security, sensor, service, so2, storage, support, warranty, white,