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Authors: Inês Pantaleão 1 ; Joana Cabral 1 ; Joaquim Gabriel 1 ; José Sousa 2 and Adélio Mendes 1

Affiliations: 1 University of Porto, Portugal ; 2 University of Porto and University of Trás-os-Montes e Alto Douro, Portugal

Keyword(s): Anaesthetic circuits; Carbon dioxide removal; Hollow fiber membrane contactors.

Abstract: Carbon dioxide (CO2) removal from anaesthetic circuits is currently performed by soda-lime canisters. However, this procedure has many drawbacks, being the most important its relation with post operative cognitive decline and death in the first year after surgery. In this paper an alternative technology is proposed based on a self-regenerative unit using hollow fiber membrane contactors and amino acid salts for gas-liquid absorption of CO2. This technology, is expected to overcome all the drawbacks associated with soda-lime units. A preliminary experiment was evaluated under real conditions for CO2 removal, using hydroxide solutions. The system performed similarly to soda-lime canisters, being able to remove CO2 from 5 % to 0.5 % (in nitrogen) during an hour, from a 10 L/min gas stream.

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Paper citation in several formats:
Pantaleão, I.; Cabral, J.; Gabriel, J.; Sousa, J. and Mendes, A. (2012). Development of a Self-regenerative Unit for Carbon Dioxide Removal from Anaesthetic Circuits: Preliminary Results using Hydroxide Solutions - Preliminary Results using Hydroxide Solutions. In Proceedings of the International Workshop on Veterinary Biosignals and Biodevices (BIOSTEC 2012) - VBB; ISBN 978-989-8425-94-2, SciTePress, pages 69-75. DOI: 10.5220/0003883800690075

@conference{vbb12,
author={Inês Pantaleão. and Joana Cabral. and Joaquim Gabriel. and José Sousa. and Adélio Mendes.},
title={Development of a Self-regenerative Unit for Carbon Dioxide Removal from Anaesthetic Circuits: Preliminary Results using Hydroxide Solutions - Preliminary Results using Hydroxide Solutions},
booktitle={Proceedings of the International Workshop on Veterinary Biosignals and Biodevices (BIOSTEC 2012) - VBB},
year={2012},
pages={69-75},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003883800690075},
isbn={978-989-8425-94-2},
}

TY - CONF

JO - Proceedings of the International Workshop on Veterinary Biosignals and Biodevices (BIOSTEC 2012) - VBB
TI - Development of a Self-regenerative Unit for Carbon Dioxide Removal from Anaesthetic Circuits: Preliminary Results using Hydroxide Solutions - Preliminary Results using Hydroxide Solutions
SN - 978-989-8425-94-2
AU - Pantaleão, I.
AU - Cabral, J.
AU - Gabriel, J.
AU - Sousa, J.
AU - Mendes, A.
PY - 2012
SP - 69
EP - 75
DO - 10.5220/0003883800690075
PB - SciTePress

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