UK Fingertip Pulse Oximeter, £0.99, bought from eBay. Failed to meet required CE standards. Claimed to be 'NHS approved'. Unbranded finger pulse oximeter, £4.66, bought from Wish.

Vital fingertip alarm that can protect lives: Doctors call for oxygen monitors to be prescribed to most vulnerable Doctors want pulse oximeters to be given to those in most urgent need for free ...

Currently, hospitals use a fingertip probe to monitor the respiratory status of COVID-19 patients. These probes monitor blood oxygen saturation and send the data to bedside monitors that must be read ...