A novel closed cycle cryosurgical system

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).


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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.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1016/j.ijrefrig.2004.07.021
Additional Information: Article in English. French title: Un nouveau cycle fermé utilisé dans les applications cryochirurgicales
ISSNs: 0140-7007 (print)
Keywords: cryosurgery, cryoprobe, thermodynamic cycle, liquid nitrogen, two-stage system, r-23, r-508b, r404a, performance
ePrint ID: 22347
Date :
Date Event
Date Deposited: 14 Mar 2006
Last Modified: 16 Apr 2017 22:51
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/22347

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