10 Devices for medical diagnosis of speech disorders, cancer, infertility, diabetes, high blood pressure, and covid19; medical examination lamps; Devices for medical analysis, namely, hematology analyzers for medical diagnostic uses; Devices for medical analysis of speech disorders, cancer, infertility, diabetes, high blood pressure, covid19; Ring-shaped devices for medical analysis, namely, skin moisture analyzers for medical purposes; Ring-shaped devices for medical analysis of speech disorders, cancer, infertility, diabetes, high blood pressure, and covid19 for medical purposes; Medical devices for measuring blood pressure, cholesterol, body fat, pulse, blood sugar level, body temperature, brain wave and perspiration; Medical devices for monitoring health condition, namely, medical apparatus and instruments for monitoring vital signs, blood pressure, cholesterol, body fat, heart rate, blood sugar level, body temperature, body weight, brain wave and perspiration