• Technical Name
  • A High Frequency Ventilator and Electrical Impedance Tomography for Respiratory Treatment
  • Operator
  • National Chiao Tung University
  • Booth
  • Precision Health Ecosystem
  • Contact
  • 陳珮瑜
  • Email
  • fifichen@nctu.edu.tw
Technical Description The high-frequency jet ventilator uses the solenoid valve and feedback techniques to control the operational parameters of the ventilator. The proposed dual-mode control mechanism allows dynamic adjustment of the tidal volume, pressure, and duration of ventilation simultaneously. The system has been verified in animal experiments and demonstrated a significant improvement in the gas exchange efficiency. Besides, the bioelectrical impedance measurement can provide real-time and accurate regional information of the lungs, which helps to monitor the patient’s condition during respiratory treatment. This work also adopts wireless communication and remote-control technology to reduce the risk of infection of medical professionals.
Scientific Breakthrough Compared with traditional positive pressure ventilator, the high-frequency ventilator can achieve better gas exchange rates in specific lung conditions without pressure-caused damages to the lungs. Due to the small tidal volume and the treatment method without intubation, the high-frequency ventilator system is more suitable for portable treatment and emergent conditions. This technology provides real-time and accurate regional information in the lungs through bio-impedance measurement that helps to adjust parameters of the ventilator to achieve optimal ventilation efficiency.
Industrial Applicability More than 50-million people rely on a ventilator for sustaining their lives. About 10% of the patients suffer from lung damages or complications due to operation mistakes in the treatment. High-frequency jet ventilator has advantages in (1) small tidal volume, (2) low intrathoracic pressure, (3) small size, and (4) medium alveolar expansion. The low-tidal volume and pressure can reduce the chances of complications during respiratory treatment. Electrical impedance tomography provides a noninvasive and radiation-free method to observe lung contraction information in real-time. Besides, this method can monitor food spoilage, noninvasive tumor detection, mechanical structure detection, and plant health detection.
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