'Beaver' anaesthetic ventilator, 1955.
4 0 c m
actual image size: 27cm x 32cm

'Beaver' anaesthetic ventilator, 1955.

Chaphekar, Robin

© Science Museum / Science & Society Picture Library


This positive presure ventilator blew air or other gases into a patient's lungs at a regular rate. The technology was developed from work with iron lungs. Modern anaesthetics and intensive care are based on positive presure ventilation.



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