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Studies on the temperature distribution of a thick film transcutaneous oxygen sensor and its thermal influences on oxygen measurement

Studies on the temperature distribution of a thick film transcutaneous oxygen sensor and its thermal influences on oxygen measurement
Studies on the temperature distribution of a thick film transcutaneous oxygen sensor and its thermal influences on oxygen measurement
The partial pressures of gases, namely oxygen and carbon dioxide, in the arterial blood are important parameters for doctors to determine the respiratory conditions of patients. Currently in practice, there are a number of ways to measure these parameters, one of which is transcutaneous blood gas monitoring. This technique is a popular noninvasive measurement method for obtaining fast and relatively accurate responses. In this investigation, thick film technology has been employed to develop an amperometric oxygen sensor which consists of a heating module to elevate the temperature at the skin surface to transcutaneous levels. The heating module includes a heating element and its temperature is regulated by a temperature control circuit. Using an infrared camera, the transient and steady-state temperature distributions as well as the stability of the heating element have been analysed. The influence of temperature on the oxygen sensing module is also studied. In addition, a three-dimensional theoretical model is established to evaluate the thermal response of the sensor and subsequently compared with the results from the practical prototype. With this model, the design stages can be simplified and future heating modules for transcutaneous sensors could be generated and improved more easily and effectively
0018-9294
2341-2346
Lam, Liza
3ed9cea5-c4eb-4961-8d63-4118cde3a33a
Bilek, Jaromir
44c35320-4330-4f07-9ec8-2d180390116f
Atkinson, John
5e9729b2-0e1f-400d-a889-c74f6390ea58
Lam, Liza
3ed9cea5-c4eb-4961-8d63-4118cde3a33a
Bilek, Jaromir
44c35320-4330-4f07-9ec8-2d180390116f
Atkinson, John
5e9729b2-0e1f-400d-a889-c74f6390ea58

Lam, Liza, Bilek, Jaromir and Atkinson, John (2006) Studies on the temperature distribution of a thick film transcutaneous oxygen sensor and its thermal influences on oxygen measurement. IEEE Transactions on Biomedical Engineering, 53 (11), 2341-2346. (doi:10.1109/TBME.2006.879466).

Record type: Article

Abstract

The partial pressures of gases, namely oxygen and carbon dioxide, in the arterial blood are important parameters for doctors to determine the respiratory conditions of patients. Currently in practice, there are a number of ways to measure these parameters, one of which is transcutaneous blood gas monitoring. This technique is a popular noninvasive measurement method for obtaining fast and relatively accurate responses. In this investigation, thick film technology has been employed to develop an amperometric oxygen sensor which consists of a heating module to elevate the temperature at the skin surface to transcutaneous levels. The heating module includes a heating element and its temperature is regulated by a temperature control circuit. Using an infrared camera, the transient and steady-state temperature distributions as well as the stability of the heating element have been analysed. The influence of temperature on the oxygen sensing module is also studied. In addition, a three-dimensional theoretical model is established to evaluate the thermal response of the sensor and subsequently compared with the results from the practical prototype. With this model, the design stages can be simplified and future heating modules for transcutaneous sensors could be generated and improved more easily and effectively

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More information

Submitted date: 16 April 2005
Published date: November 2006

Identifiers

Local EPrints ID: 43835
URI: https://eprints.soton.ac.uk/id/eprint/43835
ISSN: 0018-9294
PURE UUID: 624ff057-20e1-4cc4-955d-1430f7df2663
ORCID for John Atkinson: ORCID iD orcid.org/0000-0003-3411-8034

Catalogue record

Date deposited: 02 Feb 2007
Last modified: 14 Mar 2019 01:57

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