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Normothermia System


Not all warming blankets


warm the same way. The effectiveness of a forced-air warming system, is mainly determined by blanket design and even heat distribution.1,2


43ºC 3M™ 39ºC 36ºC Bair Hugger™ System


Model 775 (120V, 60Hz) warming unit and Model 300 blanket


34ºC


Blanket temperatures3 Greatest: 41.8ºC* Lowest: 37.1ºC* Mean: 39.9ºC*


Heat transfer rate4 Q-Value: 67.7 Watts*


32ºC Other manufacturer


Warming unit (120V, 60Hz) and equivalent full body blanket


Blanket temperatures3 Greatest: 40.7ºC* Lowest: 34.8ºC* Mean: 37.4ºC*


Heat transfer rate4 Q-Value: 42.5 Watts*


3M™


Bair Hugger™


Normothermia System Designed to be different. *Denotes a statistically significant difference (p < 0.05) between the Bair Hugger system and the other manufactures system


1 Brauer, A., et al., What determines the efficacy of forced air warming systems? A manikin evaluation with upper body blankets. Anesth Analg, 2009. 108(1): p. 192–8. 2 Brauer, A. and M. Quintel, Forced-air warming: technology, physical background and practical aspects. Curr Opin Anaesthesiol, 2009.


3 3M data on file. In vitro study performed without body weight. Contact surface temperature testing performed under IEC Standard 80601-2-35 which does not require the use of a mannequin. Testing performed by 3M using Bair Hugger Model 775 (120V, 60Hz), and other manufacturer warming unit (120V, 60Hz).


4 3M data on file. In vitro study. Testing performed using a test stand configuration of the human body (Ref: Brauer A, et al. Comparison of forced-air warming systems with upper body blankets using a copper manikin of the human body. Acta Anaesthesiol Scand. 2002;46:965-972. Brauer A, et al. Construction and evaluation of a manikin for perioperative heat exchange. Acta Anaesthesiol Scand. 2002;46:43–50. Brauer A, et al. Comparison of forced-air warming systems with upper body blankets using a copper manikin of the human body. Acta Anaesthesiol Scand. 2003;47:58–64.). Testing performed by 3M using: 3M Bair Hugger 775 (120V, 60 Hz) warming unit and 3M Model 30000 blanket. Other manufacturer warming unit (120V, 60 Hz) and full body blanket.


3M United Kingdom PLC 01509 611 611


3M Ireland Ltd 1 800 320 500


www.3M.co.uk/whybairhugger


3M and Bair Hugger are trademarks of 3M Company. © 3M 2019. All rights reserved. OMG55153.


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