Medical device for accessing subcutaneous structures of the human body for the purpose of administering medical treatment; Medical device, namely, a device for improving cardiac performance through aortic flow therapy; Medical devices for closing wounds; Medical devices for nonsurgical cosmetic treatments; Medical devices for use in treating or diagnosing non healing wounds and high blood pressure; Medical devices to treat intravascular sites; Medical apparatus, namely, infusion and injection devices for administering drugs; Medical apparatus, namely, therapeutic devices for delivering specifically engineered pressure and gas mixtures for medical benefit