Multi-probe cryosurgical configurations extract significantly less energy per probe than single probe configurations: Implications for clinical cryosurgery

Xiaoqing Zhang; Christoph Leng; Mithun M. Shenoi; John C. Bischof

Multi-probe cryosurgical configurations extract significantly less energy per probe than single probe configurations: Implications for clinical cryosurgery

Xiaoqing Zhang, Christoph Leng, Mithun M. Shenoi, John C. Bischof

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

In the present study, the interaction between different cryoprobes was investigated in multi-probe configurations. Using a careful experimental and computational approach we show here that the ability of a single probe to cool (i.e. the cooling power of a probe governed by convective cooling of the cryogen within the probe) is greatly reduced in a simple dual probe configuration with 1.0-2.0 cm separation of these probes over the single probe case. One approach that shows promise for predicting multi-probe performance is the use of a "weighting factor" that governs this loss of cooling power in a given probe.

Original language	English (US)
Title of host publication	Proceedings of the ASME Summer Bioengineering Conference, SBC2008
Pages	631-632
Number of pages	2
Edition	PART B
State	Published - 2009
Event	10th ASME Summer Bioengineering Conference, SBC2008 - Marco Island, FL, United States Duration: Jun 25 2008 → Jun 29 2008

Publication series

Name	Proceedings of the ASME Summer Bioengineering Conference, SBC2008
Number	PART B

Other

Other	10th ASME Summer Bioengineering Conference, SBC2008
Country/Territory	United States
City	Marco Island, FL
Period	6/25/08 → 6/29/08

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Zhang, X., Leng, C., Shenoi, M. M., & Bischof, J. C. (2009). Multi-probe cryosurgical configurations extract significantly less energy per probe than single probe configurations: Implications for clinical cryosurgery. In Proceedings of the ASME Summer Bioengineering Conference, SBC2008 (PART B ed., pp. 631-632). (Proceedings of the ASME Summer Bioengineering Conference, SBC2008; No. PART B).

Multi-probe cryosurgical configurations extract significantly less energy per probe than single probe configurations: Implications for clinical cryosurgery. / Zhang, Xiaoqing; Leng, Christoph; Shenoi, Mithun M. et al.
Proceedings of the ASME Summer Bioengineering Conference, SBC2008. PART B. ed. 2009. p. 631-632 (Proceedings of the ASME Summer Bioengineering Conference, SBC2008; No. PART B).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Zhang, X, Leng, C, Shenoi, MM & Bischof, JC 2009, Multi-probe cryosurgical configurations extract significantly less energy per probe than single probe configurations: Implications for clinical cryosurgery. in Proceedings of the ASME Summer Bioengineering Conference, SBC2008. PART B edn, Proceedings of the ASME Summer Bioengineering Conference, SBC2008, no. PART B, pp. 631-632, 10th ASME Summer Bioengineering Conference, SBC2008, Marco Island, FL, United States, 6/25/08.

Zhang X, Leng C, Shenoi MM, Bischof JC. Multi-probe cryosurgical configurations extract significantly less energy per probe than single probe configurations: Implications for clinical cryosurgery. In Proceedings of the ASME Summer Bioengineering Conference, SBC2008. PART B ed. 2009. p. 631-632. (Proceedings of the ASME Summer Bioengineering Conference, SBC2008; PART B).

Zhang, Xiaoqing ; Leng, Christoph ; Shenoi, Mithun M. et al. / Multi-probe cryosurgical configurations extract significantly less energy per probe than single probe configurations : Implications for clinical cryosurgery. Proceedings of the ASME Summer Bioengineering Conference, SBC2008. PART B. ed. 2009. pp. 631-632 (Proceedings of the ASME Summer Bioengineering Conference, SBC2008; PART B).

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abstract = "In the present study, the interaction between different cryoprobes was investigated in multi-probe configurations. Using a careful experimental and computational approach we show here that the ability of a single probe to cool (i.e. the cooling power of a probe governed by convective cooling of the cryogen within the probe) is greatly reduced in a simple dual probe configuration with 1.0-2.0 cm separation of these probes over the single probe case. One approach that shows promise for predicting multi-probe performance is the use of a {"}weighting factor{"} that governs this loss of cooling power in a given probe.",

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AB - In the present study, the interaction between different cryoprobes was investigated in multi-probe configurations. Using a careful experimental and computational approach we show here that the ability of a single probe to cool (i.e. the cooling power of a probe governed by convective cooling of the cryogen within the probe) is greatly reduced in a simple dual probe configuration with 1.0-2.0 cm separation of these probes over the single probe case. One approach that shows promise for predicting multi-probe performance is the use of a "weighting factor" that governs this loss of cooling power in a given probe.

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Multi-probe cryosurgical configurations extract significantly less energy per probe than single probe configurations: Implications for clinical cryosurgery

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