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A combined cryosurgical/hyperthermia system using the Peltier thermoelectric effect.

Author(s) : DENG Z. S., ZHOU Y. X., LIU J.

Summary

To conveniently accommodate to the need for combined cryosurgical and hyperthermia treatments, a hand-held cryoprobe system for general-purpose thermotherapy (including both cryosurgery and hyperthermia) has been developed using multi-stage Peltier thermoelectric coolers/heaters in this study. The advantages of the present cryosurgical/hyperthermia system consist of hand-held, fully electrically-controlled, no movement of cooling medium and refrigerant-free. To test the performance of the new system, a series of experiments are respectively performed in air and tissue phantom. The results indicate that the temperature at the probe tip of the new system can easily reach -60°C during freezing and above 60°C during heating. It suggests that the new cryosurgical/hyperthermia system would allow reliable combined cryosurgery and hyperthermia, especially when cryo-refrigerants are not available.

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Pages: ICR07-C1-1174

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Details

  • Original title: A combined cryosurgical/hyperthermia system using the Peltier thermoelectric effect.
  • Record ID : 2007-2832
  • Languages: English
  • Source: ICR 2007. Refrigeration Creates the Future. Proceedings of the 22nd IIR International Congress of Refrigeration.
  • Publication date: 2007/08/21

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