John H. Blease (1906 – 1985) British inventor and anaesthetic technician.
Between 1939 and 1960 Blease invented and successfully applied for 19 anaesthetic equipment patents.
- Born 1906, Moreton, Wirral UK
- Butcher assistant, clock repairer, tractor mechanic and finally set up car maintenance garage with his younger brother
- 1985 – Honorary Member of Liverpool Society of Anaesthetists
- Died 1985
- Alfo-Blease anaesthetic machine
- Blease ‘Pulmoflator’ – first British positive-pressure ventilator in commercial production
- Blease-Manley ventilator
- Blease JH, Fowler G. Improvements in Anaesthetic Apparatus. British Patent 519,203, 1940
- Blease JH, Fowler G. Improvements in Anaesthetising Apparatus. British Patent 535,447, 1941
- Blease JH, Fowler G. Improvements in Anaesthetizing Apparatus. British Patent 548,617, 1942
- Blease JH, Alexander & Fowler Ltd. Improvements in Anaesthetizing Apparatus. British Patent 562,887, 1944
- Blease JH. Improvements in Apparatus for the Control of Respiration and Anaesthesia. British Patent 695,586, 1953
- Blease JH. Improvements in or relating to Needles for Use in Intravenous Injection. British Patent 689,131, 1953
- Blease JH. An improved Endotracheal Tube. British Patent 693,510, 1953
- Blease JH. Improved human respiration control valve. British Patent 750,152, 1956
- McKenzie AG. The inventions of John Blease. Br J Anaesth. 2000; 85(6): 928-35.
- Manley RW. A new mechanical ventilator. Anaesthesia. 1961; 16: 317-23.
- Gray TC. A butcher boy’s story. Anaesthetic Annotations 1997; 5: 4–5
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