Sphygmotensiometers; Blood glucose meter; Devices for measuring blood sugar; Electrocardiographic (ECG) recorders; Electronic aesthetic skin treatment devices using light emitting diodes, namely, infrared, red, orange, yellow, green, and blue wavelengths for generating light rays; Light-based medical devices, namely, a light emitting diode (LED) device for increasing the human body's own production of collagen; Medical apparatus for detecting rapid eye movement and other physiological conditi...