How to disassemble the Tesla Model 3, modify it with a file and make a ventilator

Although Elon Musk did not behave in the most ethical way at the beginning of the coronacrisis, he was one of the first to respond, came to the aid of doctors and already showed a prototype (assembled on the basis of the parts and electronics of Tesla cars) of an artificial lung ventilation device that is not acutely enough in America.


Transcript:

Hello!

I represent the Tesla engineering team, now we are in the laboratory where we are working on projects that we would like to talk about. We are trying to develop ventilation systems from automobile parts to help the medical industry without using their supplies. I will give the floor to Joe Mardall, who will tell you about our work.



As already mentioned, we are working on a project of our own ventilation system. In particular, we focus on the use of our own parts for Tesla cars.



We want to work with components that are familiar to us, that we trust, and that are easily accessible. In this diagram you can see a generalized project.



All orange parts are parts of Tesla cars, so we use them in large quantities.

Mechanical ventilation is a device that helps people with respiratory problems to breathe. The ventilator supplies air to the lungs, controls its volume and pressure, and displays it for exhalation.



Hello everyone, I will show you our first prototype.





So, you can see the medical equipment connected to the mixing chamber used in cars.



In it, oxygen is mixed with air and enters a device that generates a wave-like change in pressure and volume.



Then the air passes through the flow and pressure sensors and filters, after which the air enters the patient's lungs.





Simulator of the patient’s lungs.

Further, carbon dioxide enters the air and it is discharged through the exhalation tubes passing through the sensors, and as a result it enters the exhalation valve, which is used to provide pressure.



Thus, positive pressure is constantly maintained in the lungs, which helps patients with COVID-19 breathe.

Next, I will give the floor to Ben, who will show you the assembled system.



This system is controlled by the infotainment system from Tesla Model 3.



From the top you can see the touch screen from Model 3.



Vehicle Controller



This computer also monitors the operation of automotive sensors working with high-precision variable valves. These valves are housed in a one-piece manifold that has been designed with an eye on ease of assembly.



Thus, we get three ways to monitor the patient's condition: monitoring air volume against pressure, monitoring pressure and controlling air volume.

This provides flexibility in using the system when dealing with patients with the most acute symptoms. Also in our device there is a backup system, which includes an oxygen cylinder, a battery and a compressor. This system provides a reserve of 20-40 minutes, during which the patient must be moved to safe conditions.



Let's take a look at the user interface. Now an artificial respiratory system is connected to the system, which imitates the functioning of the human lungs. The breath of this system is reflected in three graphs that record the pressure, volume and air flow. You can see the construction of the graph line as the system works.



If something happens to the lung, then you will see a comparison of the resulting deviation and the breathing schedule over the past 12 seconds. This is very important, and thus the doctor will be able to see improvements or deteriorations in the patient's condition. We still have a lot of work, and we are trying very hard to help people who need it.

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PS

In the UK, Dyson is also developing mechanical ventilation:



Ford and 3M and GE Healthcare are developing respirators, face shields and mechanical ventilation: