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Special Section Technical Briefs

Bipolar Radiofrequency-Induced Colonic Anastomoses1

[+] Author and Article Information
Chengli Song, Yu Zhou, Lingxi Zhao

Shanghai Institute for Minimally Invasive Therapy,
School of Medical Instrument and Food Engineering,
University of Shanghai for Science and Technology,
Shanghai, China

Accepted and presented at The Design of Medical Devices Conference (DMD2015), April 13-16, 2015, Minneapolis, MN, USA.

Manuscript received March 3, 2015; final manuscript received March 16, 2015; published online April 24, 2015. Editor: Arthur Erdman.

J. Med. Devices 9(2), 020931 (Jun 01, 2015) (2 pages) Paper No: MED-15-1124; doi: 10.1115/1.4030142 History: Received March 03, 2015; Revised March 16, 2015; Online April 24, 2015

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Topics: Pressure , Electrodes
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References

Schrock, T. R., Deveney, C. W., and Dunphy, E., 1973, “Factors Contributing to Leakage of Colonic Anastomoses,” Ann. Surg., 177(5), pp. 513–518. [CrossRef] [PubMed]
Smulders, J. F., de Hingh, I. H. J. T., Stavast, J., and Jackimowicz, J. J., 2007, “Exploring New Technologies to Facilitate Laparoscopic Surgery: Creating Intestinal Anastomoses Without Sutures or Staples, Using a Radio-Frequency-Energy-Driven Bipolar Fusion Device,” Surg. Endoscopy Other Interventional Tech., 21(11), pp. 2105–2109. [CrossRef]
Zhao, L. X., Zhou, Y., Zhuo, C. H., Li, X. X., Li, D. L., Yan, S. J., Yan, B. W., Ou, K. W., and Song, C. L., 2013, “Preliminary Study of Radio-Frequency Induced Tissue Fusion in Colorectal Anastomosis,” Chin. J. Biomed. Eng., 32(5), pp. 24–28.
Holmer, C., Winter, H., Kroeger, M., Nagel, A., Jaenicke, A., Lauster, R., Kraft, M., Buhr, H. J., and Ritz, J.-P., 2011, “Bipolar Radiofrequency-Induced Thermofusion of Intestinal Anastomoses—Feasibility of a New Anastomosis Technique in Porcine and Rat Colon,” Langenbecks Arch. Surg., 396(4), pp. 529–533. [CrossRef] [PubMed]
Winter, H., Holmer, C., Buhr, H.-J., Lindner, G., Lauster, R., Kraft, M., and Ritz, J.-P., 2010, “Pilot Study of Bipolar Radiofrequency-Induced Anastomotic Thermofusion—Exploration of Therapy Parameters Ex Vivo,” Int. J. Colorectal Dis., 25(1), pp. 129–133. [CrossRef] [PubMed]
Dilley, A. V., Friend, M.-A. G., and Morris, D. L., 1995, “An Experimental Study of Optimal Parameters for Bipolar Electrocoagulation,” Gastrointest. Endoscopy, 42(1), pp. 27–30. [CrossRef]
Laine, L., Long, G. L., Bakos, G. J., Vakharia, O. J., and Cunningham, C., 2008, “Optimizing Bipolar Electrocoagulation for Endoscopic Hemostasis: Assessment of Factors Influencing Energy Delivery and Coagulation,” Gastrointest. Endoscopy, 67(3), pp. 502–508. [CrossRef]
Reyes, D. A. G., Brown, S. I., Cochrane, L., Motta, L. S., and Cuschieri, A., 2012, “Thermal Fusion: Effects and Interaction of Temperature, Compression, and Duration Variables,” Surg. Endoscopy, 26(12), pp. 3626–3633. [CrossRef]
Lim, C. B. B., Goldin, R. D., Elson, D. S., Darzi, A., and Hanna, G. B., 2010, “In Vivo Thermography During Small Bowel Fusion Using Radiofrequency Energy,” Surg. Endoscopy, 24(10), pp. 2465–2474. [CrossRef]
Tucker, R. D., Platz, C. E., and Landas, S. K., 1997, “Histologic Characteristics of Electrosurgical Injuries,” J. Am. Assoc. Gynecol. Laparoscopists, 4(2), pp. 201–206. [CrossRef]
Bass, L. S., and Treat, M. R., 1995, “Laser Tissue Welding: A Comprehensive Review of Current and Future Clinical Applications,” Lasers Surg. Med., 17(4), pp. 315–349. [CrossRef] [PubMed]
Wallwiener, C. W., Med, C., Rajab, T. K., Zubke, W., Isaacson, K. B., Enderle, M., Schaller, D., and Wallwiener, M., 2008, “Thermal Conduction, Compression, and Electrical Current—An Evaluation of Major Parameters of Electrosurgical Vessel Sealing in a Porcine In Vitro Model,” J. Minimally Invasive Gynecol., 15(5), pp. 605–610. [CrossRef]
Zhao, L. X., Song, C. L., Wang, Z. Z., Zhou, Y., Li, X. X., and Zhu, W., Cuschieri, A., 2014, “Novel Concave–Convex Electrode for Colonic Anastomoses by Radiofrequency Thermo-Fusion,” Surg. Endoscopy (in press). [CrossRef]

Figures

Grahic Jump Location
Fig. 1

Representative transmission electron micrographs of colon sections taken after fusion. (a) An image of normal collagen in colonic wall (×15,000 magnification). (b) Representative of fused areas correspond to CPs of 313 kPa (×15,000 magnification). The arrow marks gaps between collagen bundles. T, transverse-section of collagen fibrils, and L, longitudinal-section of collagen fibrils.

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