Medical apparatus and instrument for diagnostic use, namely, apparatus for medical diagnostic testing in the fields of cancer or other tissue-based diagnostic testing, cytology and cell-based testing; Medical apparatus and instruments for monitoring blood oxygen saturation, blood gas concentrations, vital signs and respiratory events; Medical apparatus and instruments for monitoring vital signs, ecg, heart abnormalities and arrhythmias, blood pressure, heart rate, pulse, blood oxygen saturation, temperature, skin temperature, fall detection, body weight and cardiac output; Medical apparatus and instruments for monitoring vital signs that result in emergent health events and alerts while the patient is sleeping, namely, vital signs, ecg, heart abnormalities and arrhythmias, blood pressure, heart rate, pulse, blood oxygen saturation, temperature, skin temperature, fall detection and cardiac output for nightly patient monitoring; Medical apparatus and instruments for monitoring vital signs to detect sleep apnea while the patient is sleeping, namely, vital signs, ecg, heart abnormalities and arrhythmias, blood pressure, heart rate, pulse, blood oxygen saturation, temperature, skin temperature, fall detection, excessive movement, restlessness, respitory rate and cardiac output; Medical apparatus and instruments for monitoring patients aging at home, patients who need home assistance, patients recovering from postoperative surgery, patients undergoing preoperative approval for surgery, patients in a contaminated environment, patients quarantined, patients with acute undefined illness; Medical apparatus and instruments for monitoring vital signs, ecg, heart abnormalities and arrhythmias, blood pressure, heart rate, pulse, blood oxygen saturation, temperature, skin temperature, fall detection, body weight and cardiac output for a patient who is attending a virtual telemedicine visit; Medical apparatus and instruments for monitoring health, namely, vital signs, ecg, heart abnormalities and arrhythmias, blood pressure, heart rate, pulse, blood oxygen saturation, temperature, skin temperature, fall detection, body weight and cardiac output; Medical apparatus and instruments for treating cardiovascular disease; Medical devices for monitoring blood oxygen saturation, blood gas concentrations, respiratory events, and vital signs, and also featuring a system consisting of central processing unit, computer memory, wifi, bluetooth, ble, wireless routers, data storage, data transfer, remote monitoring, machined learning models, deep learning neural networks and led screens for transmitting monitored data through the Internet, as a component of the medical devices; Medical devices for treating sleep disorders; Medical devices for use in treating or diagnosing coronavirus, flu, colds, cardiac arrhythmias, atrial fibrillation, ventricular fibrillation, p waves, hypertension, sepsis, fever, sleep apnea, sleeping disorders, pneumonia and respiratory illnesses; Medical devices, namely, pulse oximeters