TreyMed, Inc.
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TreyMed - Respiratory Mechanics Modules
FromTreyMed, Inc.
TreyMed`s OEM Respiratory Mechanics system is a small, low power and fully digital system that is available with or without a purge. The system utilizes a proprietary smart connector which interfaces to the disposable EZ-Flow flow sensor. This chassis mount connector tells the system that a sensor is properly placed, identifies the type of sensor and maintains tubing polarity.
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- The module is based upon a Philips 80C51 XA 16 bit microprocessor.
- Pressures are measured by two piezoresistive bridge based differential pressure transducers: 5” H2O and 5 psi ranges. These transducers are internally compensated for temperature, but additional compensation is made from a digital temperature device on the board, placed between the transducers.
- The system utilizes a 24 bit A/D converter to interface transducer output to the microprocessor. The standard system has two micro-solenoid valves for atmospheric zeroing and the optional purge function.
- Power regulation on the board allows for input voltages to range from 4V - 9V. The purge system consumes approximately 1000mW.
- Bi-directional RS232 serial communication is used to interface to the module. The specific protocol is available upon request.
- Clearance above the board can be no less than 0.6 inch; below board clearance needed is 0.4 inch.
- The purge system is for long term, continuous monitoring - purgeless for less than four hours of monitoring. The purge function maintains pressure line patency.