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Yes, that is probably where they would fit into the scheme of things. But lifecycle testing would provide data. And for third world builders it provides an option. They are meant to be inserted in the

Could be useful for rapid prototyping. I fear they would be too narrow to allow free flow and wouldn't last very long...

Hi, Here is the information Dr. Schmidt created on orifice disc meter flow sensors. ---------------------------------------- https://github.com/DRWJSCHMIDT/OSVentFLow Tom, wb6b

Hi, I was thinking of using a check valve to pressurize my Toro jar-top exhalation valve. The idea is to not need an extra solenoid valve to get the dwell time. The pressure to close the valve would

OK,? want to give everyone somewhat of an update. The team at UF is "huddling" now and may be less accessible as they work with a private vounteer to get ONE VERSION through the FDA, named the

A team of one electrical engineer and one materials scientist + mech engineer in Dortmund, Germany. We are working on a system that does pretty much everything a modern ventilator does, CMV, IMV, CSV

Thanks. Once I get the system (still with FedEx) I will play with it and I may better to understand the numbers I will be getting.

Sorry Marcelo, not completely following you but hopefully the following is groggily It's more turbulence, bends and diameter changes that could effect pressure readings, rather than diameter when gas

I am not talking about a "dynamic" calibration (a zero reference for ambient pressure) But a "calibration" about the physic aspects where the sensor is located. For example: if the sensor is located

Hera Lichtenbeld, Assistant Director and Licensing Officer ..contact info can be found on the UF Innovate website: https://innovate.research.ufl.edu/tech-licensing/

Generally there is a calibration stage. Open to air =0, Hose in x cm in bucket of water with expiration allows calibration to matching pressure. [email protected]> wrote:

Sorry yes that her. thanks

Thanks Dave, but the other questions still stand: What method do you recommend to establish a baseline to calculate the coefficients ? I guess a same controller monitoring sensors in pipers with

who is the "her" whose contact info you need?????? Hera at the office of technology licensing at UF??? Gordon [email protected]> wrote:

Gordon, when you have time can you send me her contact info. thanks Phil M

please refer to engineering specifications document V1.6 posted here, it describes the alarm conditions.

Hi Erich, now about Tidal Volume, What is the unit used for it in ventilators and what kind of alarm it would require? What method do you recommend to establish a baseline to calculate the

Thanks a lot Erich, MV

Hi Marcelo - I've never used units other than cmH2O for patient side pressures. You really need 4 separate alarm conditions: - sustained high - machine/algorithm fault (aka a Vasalva manoeuvre,

Since the last report the passive valves were updated to use steel coil springs. The pressure range and and cycle to cycle consistency are much improved. The Rainbirds have accumulated 1,278,000