Medical devices, personal protective equipment, ventilators, masks, gowns and other medical supplies should meet manufacturing and testing standards to ensure they are safe for use. Below, you will find a select list of standards. ASTM and IEEE standards are available for the CSULB community - search by standard number or title from here. ISO and other standards standards can be searched in Techstreet, and if a CSULB member would like access, please contact me to request purchase.
This is not an exhaustive list, and you may need to consult other resources.
Note: Please ensure that the standards you are using are appropriate for the geographic area you are designing for, as different jurisdictions have different requirements. FDA regulationsM
You may also want to visit this page from the Government of Canada about the expedited review of of veNtilators during the COVID-19 crisis:
ASTM F3387-19 Standard Practice for Respiratory Protection
There is a flow chart in "Annex B" of this document that may be particularly useful.