First 'Ventilator Challenge' machines shipped

The video discusses the development of the ESO and ES O2 ventilators, highlighting their historical significance and naming. It emphasizes the dedication of the team in producing these ventilators for NHS hospitals, detailing the collaboration with various organizations for regulatory approval. The video also explains the functionality of the ventilator, describing how it assists in breathing.

What kind of collaboration was mentioned in relation to the development of the ventilator?

What is the primary function of the ventilator as described in the text?