Such continuous positive airway pressure (Cpap) devices, which are being used extensively in hospitals in Italy and China, bridge the gap between an oxygen mask and full ventilation. UK hospitals have the apparatus but it is in short supply.
Engineers from UCL and doctors at University College London hospital (UCLH) developed the device, which is claimed to be an improvement on existing Cpap systems, with Mercedes
Formula One in less than 100 hours from first meeting to first production model. The device has been approved by the UK’s Medicines and Healthcare products Regulatory Agency.
“These devices will help to save lives by ensuring that ventilators, a limited resource, are used only for the most severely ill,” said Prof Mervyn Singer, a UCLH critical care consultant who worked on the design.
https://www.theguardian.com/world/20...id-19-patien
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The British have just invented a valve that when attached to a compressed air supply can act like a ventilator - I suspect that it was intended to be used in conjunction with a CPAP machine?
Google it under Project Pitlane!