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), 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.
|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|
|Keywords:||cryosurgery, cryoprobe, thermodynamic cycle, liquid nitrogen, two-stage system, r-23, r-508b, r404a, performance|
|Subjects:||T Technology > TJ Mechanical engineering and machinery
R Medicine > RD Surgery
|Divisions :||University Structure - Pre August 2011 > School of Engineering Sciences
|Accepted Date and Publication Date:||
|Date Deposited:||14 Mar 2006|
|Last Modified:||31 Mar 2016 11:41|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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