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The Electronic Stethoscope DS101 is intended for the detection, and recording of sounds from the heart, lungs, anterior and posterior chest, abdomen, neck, limbs, arteries, veins and other internal organs with selective frequency ranges. And the stethoscope chest piece is designed for use with child, adolescent and adult patients. It is used for any subject undergoing a physical examination and intended only for medical diagnostic purposes in clinic or hospital. The Electronic Stethoscope Omni-Steth is intended for the detection, amplification and recording of sounds from the heart, lungs, anterior and posterior chest, abdomen, neck, limbs, arteries, veins and other internal organs with selective frequency ranges. And the stethoscope chest piece is designed for use with child, adolescent and adult patients. It is used for any subject undergoing a physical examination and intended only for medical diagnostic purposes in clinic or hospital.

The proposed Electronic Stethoscopes Models DS101 and Omni-Steth detect and display the sounds from the heart, lungs, anterior/posterior chest, abdomen, neck, limbs, arteries, veins and other internal organs from a patient's body. After amplifying and filtering, the sounds are also sent to the user's ears bilaterally through the active speaker embedded at the bottom of the stethoscopes. Sound processing is conducted with the aid of a digital signal processor. Power to the device is provided by two AAA1.2V batteries. The one-hand operable user interface consists of a full-color OLED display, the Record button, arrow keys, the OK button, and a tube connector to output sounds to the headset consisting of tubes and ear tips. The proposed devices can detect and display an acoustic based heart rate when presented with consistent heart sounds. In addition, using a Bluetooth wireless link, the proposed stethoscopes can exchange raw audio data with external devices such as personal computers. Note: The models DS101 and Omni-Steth are standalone devices and do not require Bluetooth data transfer to fulfill their intended use. The differences between the proposed stethoscope models DS101 and Omni-Steth are cosmetic: specifically, the design of top housing and keyboard layout. The OLED Display information are identical.