Document IIF
Étude comparative de la température de transition et des distributions des chocs thermiques pendant la cryochirurgie : la nouvelle cryosonde pour la cryochirurgie et l'hypothermie comparée à la cryosonde Endocare.
Comparative study of the transient temperature and thermal stress distributions during cryosurgery: the novel combined cryosurgery-hyperthermia cryoprobe versus the Endocare cryoprobe.
Résumé
In order to explore the new features of the novel combined cryosurgery/hyperthermia cryoprobe from the viewpoint of thermal stress, the heat transfer and thermal stress problems during the common cryosurgery process using this cryoprobe and the Endocare cryoprobe were comparatively studied. The enthalpy form of the classical bioheat equation coupled with the stress equations was solved by using the commercial software Ansys (version 7.0). The tissues were treated as nonideal materials freezing over a temperature range, and the thermophysical and mechanical properties of which were temperature dependent. The model was verified using the finite difference method put forward by us recently. The two kinds of cryoprobes capable of heating during the rewarming process, i.e. the novel combined cryosurgery/hyperthermia cryoprobe and the Endocare cryoprobe, were then studied using the verified model.
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Pages : ICR07-C1-1511
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Détails
- Titre original : Comparative study of the transient temperature and thermal stress distributions during cryosurgery: the novel combined cryosurgery-hyperthermia cryoprobe versus the Endocare cryoprobe.
- Identifiant de la fiche : 2008-0401
- Langues : Anglais
- Source : ICR 2007. Refrigeration Creates the Future. Proceedings of the 22nd IIR International Congress of Refrigeration.
- Date d'édition : 21/08/2007
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Indexation
- Thèmes : Cryomédecine et cryochirurgie
- Mots-clés : Choc thermique; Cryosonde; Comparaison; Température; Régime transitoire; Cryochirurgie
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