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Proceedings Paper

Assessment of penetrating thermal tissue damage/spread associated with PhotonBlade™, Valleylab™ Pencil, Valleylab™ EDGE™ Coated Pencil, PlasmaBlade® 3.0S and PlasmaBlade® 4.0 for intraoperative tissue dissection using the fresh extirpated porcine muscle model
Author(s): Haydon E. Bennett; Scott D. Taylor; James H. Fugett; Joshua L. Shrout; Paul O. Davison; S. Eric Ryan; James E. Coad
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Paper Abstract

Penetrating thermal tissue damage/spread is an important aspect of many electrosurgical devices and correlates with effective tissue cutting, hemostasis, preservation of adjacent critical structures and tissue healing. This study compared the thermal damage/spread associated with the PhotonBlade, Valleylab Pencil, Valleylab EDGE Coated Pencil, PlasmaBlade 3.0S and PlasmaBlade 4.0, when performing a single pass dynamic tissue cut in fresh extirpated porcine longissimus muscle. These devices were used in a fashion that emulated their use in the clinical setting. Each device’s thermal damage/spread, at Minimum, Median and Maximum power input settings, was assessed with nitroblue tetrazolium viability staining in the WVU Pathology Laboratory for Translational Medicine. The thermal damage/spread associated with the PhotonBlade was compared with the other devices tested based on the individual treatment results (n=179 cuts combined). In summary, the PhotonBlade overall demonstrated the least penetrating thermal tissue damage/spread, followed by the PlasmaBlade 4.0, then Valleylab Pencil and PlasmaBlade 3.0S and then Valleylab EDGE Coated Pencil in order of increasing thermal damage/spread depths.

Paper Details

Date Published: 22 February 2017
PDF: 15 pages
Proc. SPIE 10066, Energy-based Treatment of Tissue and Assessment IX, 100660J (22 February 2017); doi: 10.1117/12.2252111
Show Author Affiliations
Haydon E. Bennett, West Virginia Univ. Health Sciences Ctr. (United States)
Scott D. Taylor, Taylor Engineering (United States)
James H. Fugett, West Virginia Univ. Health Sciences Ctr. (United States)
Joshua L. Shrout, West Virginia Univ. Health Sciences Ctr. (United States)
Paul O. Davison, Invuity, Inc. (United States)
S. Eric Ryan, Invuity, Inc. (United States)
James E. Coad, West Virginia Univ. Health Sciences Ctr. (United States)


Published in SPIE Proceedings Vol. 10066:
Energy-based Treatment of Tissue and Assessment IX
Thomas P. Ryan, Editor(s)

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