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ANALYSIS OF THERMAL DAMAGE DURING CRYOSURGERY.

Author(s) : HAYES L. J., DILLER K. R., AMBROSE C. G.

Summary

A FINITE ELEMENT MODEL HAS BEEN DEVELOPED TO SIMULATE THE TRANSIENT TEMPERATURE HISTORY EFFECTED IN NORMAL TISSUE AND IN A SUPERFICIAL TUMOUR DURING A PRESCRIBED CRYOSURGICAL PROCEDURE. THE THREE-DIMENSIONAL PHYSICAL SYSTEM CONSISTS OF PARALLEL TISSUE LAYERS OF SKIN, FAT, AND MUSCLE. THE CRYOSURGICAL PROCEDURE IS PRODUCED BY APPLICATION OF A LIQUID NITROGEN REFRIGERATED CRYOPROBE TO THE TUMOUR-TISSUE VALUES OF THE COOLING RATES AT ALL POINTS IN THE TISSUE AND TUMOUR WERE CALCULATED BASED ON AT LEAST 10 SECONDS' EXPOSURE TO A LOCAL MINIMUM TEMPERATURE OF 268 K (-5E) OR THE MODEL PRODUCED A CONTOUR MAP OF DAMAGE WITHIN THE TISSUE AND TUMOUR FOR EACH PROTOCOL STUDIED.

Details

  • Original title: ANALYSIS OF THERMAL DAMAGE DURING CRYOSURGERY.
  • Record ID : 1990-2636
  • Languages: English
  • Publication date: 1989/10/11
  • Source: Source: Proc. 7th int. Congr. Cryosurg., Beijing
    107-114; 7 fig.; 1 tabl.; 12 ref.
  • Document available for consultation in the library of the IIR headquarters only.

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