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A novel closed cycle cryosurgical system

Record type: Article

Cryosurgery is a well established technique that can offer considerable advantages to the patient. To date cryosurgical instruments have predominantly employed either liquid cryogens or the J–T expansion of high-pressure gases in an open cycle. The handling of cryogens or high pressure gases in a surgical environment poses logistical problems. A two-stage vapour cycle cryosurgical system has been designed to use either R23 or R508B in the low temperature stage and R404A for pre-cooling. This paper reports the results of trials of the prototype using R23 in the low temperature stage. The cooling performance achieved equals that of existing, open cycle, cryosurgical systems.

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Citation

Coleman, R.B. and Richardson, R.N. (2005) A novel closed cycle cryosurgical system International Journal of Refrigeration, 28, (3), pp. 412-418. (doi:10.1016/j.ijrefrig.2004.07.021).

More information

Published date: 2005
Additional Information: Article in English. French title: Un nouveau cycle fermé utilisé dans les applications cryochirurgicales
Keywords: cryosurgery, cryoprobe, thermodynamic cycle, liquid nitrogen, two-stage system, r-23, r-508b, r404a, performance

Identifiers

Local EPrints ID: 22347
URI: http://eprints.soton.ac.uk/id/eprint/22347
ISSN: 0140-7007
PURE UUID: fcd878fd-f943-4ac7-b338-bc0bcc492952

Catalogue record

Date deposited: 14 Mar 2006
Last modified: 17 Jul 2017 16:22

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Contributors

Author: R.B. Coleman
Author: R.N. Richardson

University divisions

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