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Medical applications of model based dynamic thermography

Medical applications of model based dynamic thermography
Medical applications of model based dynamic thermography
The proposal to use active thermography in medical diagnostics is promising in some applications concerning investigation of directly accessible parts of the human body. The combination of dynamic thermograms with thermal models of investigated structures gives attractive possibility to make internal structure reconstruction basing on different thermal properties of biological tissues. Measurements of temperature distribution synchronized with external light excitation allow registration of dynamic changes of local temperature dependent on heat exchange conditions. Preliminary results of active thermography applications in medicine are discussed. For skin and under- skin tissues an equivalent thermal model may be determined. For the assumed model its effective parameters may be reconstructed basing on the results of transient thermal processes. For known thermal diffusivity and conductivity of specific tissues the local thickness of a two or three layer structure may be calculated. Results of some medical cases as well as reference data of in vivo study on animals are presented. The method was also applied to evaluate the state of the human heart during the open chest cardio-surgical interventions. Reference studies of evoked heart infarct in pigs are referred, too. We see the proposed new in medical applications technique as a promising diagnostic tool. It is a fully non-invasive, clean, handy, fast and affordable method giving not only qualitative view of investigated surfaces but also an objective quantitative measurement result, accurate enough for many applications including fast screening of affected tissues.
0277-786X
492-503
Nowakowski, A.
e93a8423-f273-4421-a27e-a2791439f0f6
Kaczmarek, M.
408ec59b-8dba-41c1-89d0-af846d1bf327
Ruminski, J.
8bf44af6-d2ea-4ca4-90ff-9ac3358d5e59
Hryciuk, M.
16d71363-11b8-4405-afd4-bf5d397ad558
Renkielska, A.
1632f9eb-628d-470d-821b-9563d3f6e7fa
Grudzinski, J.
c0d442b6-9c9e-4a71-b393-8186b3ed6d17
Siebert, J.
2f68f6de-28fc-4c69-86dc-601d745e7b1c
Jagielak, D.
0fc53028-c98f-433a-8d72-88a176525c3b
Rogowski, J.
af1da92a-d99d-4951-b45f-e29b8228e2b0
Roszak, K.
35b85320-5c79-408c-bbcf-7418a60494ea
Stojek, W.
248fe37b-273f-4ad5-a845-e11cab79ed29
Nowakowski, A.
e93a8423-f273-4421-a27e-a2791439f0f6
Kaczmarek, M.
408ec59b-8dba-41c1-89d0-af846d1bf327
Ruminski, J.
8bf44af6-d2ea-4ca4-90ff-9ac3358d5e59
Hryciuk, M.
16d71363-11b8-4405-afd4-bf5d397ad558
Renkielska, A.
1632f9eb-628d-470d-821b-9563d3f6e7fa
Grudzinski, J.
c0d442b6-9c9e-4a71-b393-8186b3ed6d17
Siebert, J.
2f68f6de-28fc-4c69-86dc-601d745e7b1c
Jagielak, D.
0fc53028-c98f-433a-8d72-88a176525c3b
Rogowski, J.
af1da92a-d99d-4951-b45f-e29b8228e2b0
Roszak, K.
35b85320-5c79-408c-bbcf-7418a60494ea
Stojek, W.
248fe37b-273f-4ad5-a845-e11cab79ed29

Nowakowski, A., Kaczmarek, M., Ruminski, J., Hryciuk, M., Renkielska, A., Grudzinski, J., Siebert, J., Jagielak, D., Rogowski, J., Roszak, K. and Stojek, W. (2001) Medical applications of model based dynamic thermography. Proceedings of SPIE, 4360, 492-503.

Record type: Article

Abstract

The proposal to use active thermography in medical diagnostics is promising in some applications concerning investigation of directly accessible parts of the human body. The combination of dynamic thermograms with thermal models of investigated structures gives attractive possibility to make internal structure reconstruction basing on different thermal properties of biological tissues. Measurements of temperature distribution synchronized with external light excitation allow registration of dynamic changes of local temperature dependent on heat exchange conditions. Preliminary results of active thermography applications in medicine are discussed. For skin and under- skin tissues an equivalent thermal model may be determined. For the assumed model its effective parameters may be reconstructed basing on the results of transient thermal processes. For known thermal diffusivity and conductivity of specific tissues the local thickness of a two or three layer structure may be calculated. Results of some medical cases as well as reference data of in vivo study on animals are presented. The method was also applied to evaluate the state of the human heart during the open chest cardio-surgical interventions. Reference studies of evoked heart infarct in pigs are referred, too. We see the proposed new in medical applications technique as a promising diagnostic tool. It is a fully non-invasive, clean, handy, fast and affordable method giving not only qualitative view of investigated surfaces but also an objective quantitative measurement result, accurate enough for many applications including fast screening of affected tissues.

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Published date: 2001

Identifiers

Local EPrints ID: 57522
URI: https://eprints.soton.ac.uk/id/eprint/57522
ISSN: 0277-786X
PURE UUID: d696bd3c-3995-4868-aa2f-a6b457d27dbe

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Date deposited: 15 Aug 2008
Last modified: 13 Mar 2019 20:33

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Contributors

Author: A. Nowakowski
Author: M. Kaczmarek
Author: J. Ruminski
Author: M. Hryciuk
Author: A. Renkielska
Author: J. Grudzinski
Author: J. Siebert
Author: D. Jagielak
Author: J. Rogowski
Author: K. Roszak
Author: W. Stojek

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