Aithre Inc
AVI-G 1-Place Oxygen System for Gliders
The AVI is first installed smart oxygen system integrated with avionics, the Healthview, iOS, and the Aithre suite of health technology products, delivering smart pulsed oxygen based on factors such as pressure altitude, respiration rate, oximetry, and heart rate.
SYSTEMS OVERVIEW
The AVI system is a complete kit for health and hypoxia management in gliders, including the AVI control unit, Healthview, Illyrian oximeter, choice of Aluminum bottle, a carbon fiber composite bottle backup, plumbing, and ports. The system is everything you need for installation to support oxygen delivery in combination with health monitoring of blood oxygen, heart rate, oxygen flow, and more.
MORE PERMANENT SEMI-BUILT-IN SYSTEM
AVI is designed as a a more permanent semi-built-in oxygen system. We coined the term semi-built-in to describe the oxygen system because the plumbing is hidden while the bottle is accessible and removable. This is an improvement of the fully-built-in systems because the bottles are easier to fill at small FBOs or to remove when not needed, yet the install is clean, tidy, and professional. However, the AVI is otherwise a fully-built-in system because the control unit is ship powered and the plumbing lines are routed behind paneling and concealed with panel-mounted cannula plugs.
HEALTHVIEW
The Healthview is the first dedicated avionics system that both controls oxygen delivery and outputs health information, including gauges for blood oxygen, heart rate, respiration rate, flow rate, cabin pressure, cabin temperature, carbon monoxide, and oxygen tank pressure.
The Healthview features a 240 x 320 pixel TFT resistive touch LCD display with rich and vibrant graphical gauges, enclosed in an ultra-compact aluminum anodized laser etched case. The Healthview is powered by three parallel low energy processors and a wireless communication module for an exciting low heat, low power, high functionality display, using only 150mA of current at 14V.
The Healthview works as a standalone device for cabin pressure altitude, using an internal barometric pressure sensor. But, the real power lies in the Healthview's ability to dynamically expand to feature any available Aithre device, wirelessly and with or without use of the popular Aithre Connect iOS app. The Healthview is compatible with all Aithre devices, including the Shield series of carbon monoxide detectors, the Illyrian oximeter, the Meso oxygen pressure, the Metis wingtip temperature/dewpoint sensor, and the AVI and Turbo oxygen systems.
Additionally, the Healthview controls the built-in AVI with dedicated serial communication, including pulse dosage based on pressure altitude and blood oxygen saturation levels. For advanced oxygen users, the Healthview provides an auto mode functionality that automatically turns your oxygen on and off on a station-by-station basis, using parameters of pressure altitude, SPO2, heart rate, and carbon monoxide.
Power requirements are 12-18V and only 150 mA (0.15 A). Dimensions are 90mm x 61mm x 21.5mm and weight is just under 6 ounces.
OXYGEN DELIVERY
Simply activate the system and breathe while monitoring the flow and delivery in the Healthview or the Aithre Connect iOS app. The AVI adjusts dosage automatically based on pressure altitude and provides for further user customization and emergency overrides.
The pulse system is the first ever to based on MEMS flow measurements as opposed to pressure measurements. This technology provides enhanced inhalation detection plus real-time flow rate determinations and accurate respiration rate feedback.
To provide smoother oxygen delivery, the AVI delivers each pulse of oxygen as a series of micro bursts with each inhalation. The micro bursts start immediately upon inhalation and extend over the first critical portion of the inhalation cycle. The number and spacing of the microbursts are adjusted in real-time and customized for each inhalation based on respiration length and pressure altitude.
ALTUS WIRELESS PRESSURE GAUGE
The AVI includes the Aithre Altus Meso wireless tank pressure gauge, which allows for monitoring the oxygen pressure remaining while the bottle is out of sight. Readings from 0-2500 PSI are transmitted to the Healthview and the Aithre Connect iOS app to supplement the analog pressure gauge.
ILLYRIAN OXIMETER
The AVI system includes an Illyrian II oximeter. The Illyrian wearable oximeter provides continuous real-time SPO2 and heart rate information to the Healthview and to the Aithre Connect iOS app. Advanced features include head movement and cabin altitude monitoring with haptic vibration feedback.
BACKUP COMPOSITE BOTTLE
The system includes a standalone 47L carbon fiber composite bottle with a fixed flow regulator that outputs approximately 0.5 LPM for 2 hrs. This handheld bottle is designed to supply a simple independent flow of oxygen for pilot use in the event of any system failure or leakage. The bottle can be stowed and secured in a flight bag or seat back pocket for additional peace of mind during flight.
- AVIG Control Unit
- Healthview
- Choice of Aluminum Bottle with MH Regulator
- Backup 47L Fixed Flow Composite Bottle
- Aithre Silicone Cannula
- Aithre Illyrian Oximeter
- Aithre Altus Meso Wireless Pressure Gauge
- Plumbing and Fittings
- Aithre USB
- iOS Aithre Connect App
AVI TECHNICAL FEATURES
- 50 PSI Rating
- 300mA Max Current (including Healthview)
- Low Energy Wireless Connection to iOS Phone/iPad
- UART Serial communication to Healthview
WARNINGS AND LIMITATIONS
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The AVI is not authorized for operations above 15,000 MSL except as provided in the Aithre High Altitude Addendum.
- Flight above 15,000 MSL in unpressurized aircraft can be extremely dangerous. Risks include: Hypoxia, loss of consciousness, altitude sickness, and death.
- Safe use of the AVI system requires compliance with the Aithre Connect iOS app instructions, the Aithre Healthview instructions, the Aithre High Altitude Addendum, and the checklists provided therein.
- Use the Aithre AVI only with Aithre-approved portable oxygen bottles and regulators to ensure correct operation and to prevent damage to the system.
