Objective: Development of ultrasonic technology in surgical devices includes mechanisms of monitoring and adjusting energy delivery to target tissues for the purpose of limiting thermal spread. The objective of the current study was to evaluate performance of a new Adaptive Tissue Technology algorithm, designed to enhance thermal management in the HARMONIC 1100 Shears. Methods: The HARMONIC 1100 Shears were evaluated with bench-top and in vivo preclinical (porcine) analyses for tissue thermal spread, blade heat, transection speed, hemostasis and vessel sealing performance. Testing was performed in parallel with the current production HARMONIC HD 1000i Shears to confirm non-inferiority of the new Adaptive Tissue Technology algorithm. Results: Bench top analysis revealed significantly lower average maximum blade temperatures for HARMONIC 1100 compared to HARMONIC HD 1000i as well as HARMONIC ACE+ 7 Shears with Advanced Hemostasis. Thermal spread, transection speeds, and burst pressure tests of excised porcine carotid arteries did not show a statistical difference between HARMONIC 1100 and HD 1000iShears. In vivo analysis of hemostasis following sealing/transection of various blood vessels in acute porcine testing demonstrated similar efficacy for HARMONIC 1100 and HD 1000i Shears. Likewise, tissue lateral thermal damage showed no statistical difference between the new and previous generation Harmonic device in the porcine model. Conclusion: The new Adaptive Tissue Technology in HARMONIC 1100 Shears allows for reduced maximum blade temperatures while providing effective hemostasis, sealing strength, transection speed, and limited thermal damage.
Published in | Journal of Surgery (Volume 8, Issue 6) |
DOI | 10.11648/j.js.20200806.12 |
Page(s) | 178-183 |
Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
Copyright |
Copyright © The Author(s), 2020. Published by Science Publishing Group |
Ultrasonic, Harmonic, Laparoscopy, Tissue Sealing, Hemostasis
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APA Style
David Singleton, Natalia Juncosa-Melvin, Patrick Scoggins, Geisa Paulin-Curlee, John Cummings, et al. (2020). Intelligent Ultrasonic Energy: New Adaptive Tissue Technology in Harmonic Shears. Journal of Surgery, 8(6), 178-183. https://doi.org/10.11648/j.js.20200806.12
ACS Style
David Singleton; Natalia Juncosa-Melvin; Patrick Scoggins; Geisa Paulin-Curlee; John Cummings, et al. Intelligent Ultrasonic Energy: New Adaptive Tissue Technology in Harmonic Shears. J. Surg. 2020, 8(6), 178-183. doi: 10.11648/j.js.20200806.12
AMA Style
David Singleton, Natalia Juncosa-Melvin, Patrick Scoggins, Geisa Paulin-Curlee, John Cummings, et al. Intelligent Ultrasonic Energy: New Adaptive Tissue Technology in Harmonic Shears. J Surg. 2020;8(6):178-183. doi: 10.11648/j.js.20200806.12
@article{10.11648/j.js.20200806.12, author = {David Singleton and Natalia Juncosa-Melvin and Patrick Scoggins and Geisa Paulin-Curlee and John Cummings and Crystal Ricketts}, title = {Intelligent Ultrasonic Energy: New Adaptive Tissue Technology in Harmonic Shears}, journal = {Journal of Surgery}, volume = {8}, number = {6}, pages = {178-183}, doi = {10.11648/j.js.20200806.12}, url = {https://doi.org/10.11648/j.js.20200806.12}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.js.20200806.12}, abstract = {Objective: Development of ultrasonic technology in surgical devices includes mechanisms of monitoring and adjusting energy delivery to target tissues for the purpose of limiting thermal spread. The objective of the current study was to evaluate performance of a new Adaptive Tissue Technology algorithm, designed to enhance thermal management in the HARMONIC 1100 Shears. Methods: The HARMONIC 1100 Shears were evaluated with bench-top and in vivo preclinical (porcine) analyses for tissue thermal spread, blade heat, transection speed, hemostasis and vessel sealing performance. Testing was performed in parallel with the current production HARMONIC HD 1000i Shears to confirm non-inferiority of the new Adaptive Tissue Technology algorithm. Results: Bench top analysis revealed significantly lower average maximum blade temperatures for HARMONIC 1100 compared to HARMONIC HD 1000i as well as HARMONIC ACE+ 7 Shears with Advanced Hemostasis. Thermal spread, transection speeds, and burst pressure tests of excised porcine carotid arteries did not show a statistical difference between HARMONIC 1100 and HD 1000iShears. In vivo analysis of hemostasis following sealing/transection of various blood vessels in acute porcine testing demonstrated similar efficacy for HARMONIC 1100 and HD 1000i Shears. Likewise, tissue lateral thermal damage showed no statistical difference between the new and previous generation Harmonic device in the porcine model. Conclusion: The new Adaptive Tissue Technology in HARMONIC 1100 Shears allows for reduced maximum blade temperatures while providing effective hemostasis, sealing strength, transection speed, and limited thermal damage.}, year = {2020} }
TY - JOUR T1 - Intelligent Ultrasonic Energy: New Adaptive Tissue Technology in Harmonic Shears AU - David Singleton AU - Natalia Juncosa-Melvin AU - Patrick Scoggins AU - Geisa Paulin-Curlee AU - John Cummings AU - Crystal Ricketts Y1 - 2020/11/04 PY - 2020 N1 - https://doi.org/10.11648/j.js.20200806.12 DO - 10.11648/j.js.20200806.12 T2 - Journal of Surgery JF - Journal of Surgery JO - Journal of Surgery SP - 178 EP - 183 PB - Science Publishing Group SN - 2330-0930 UR - https://doi.org/10.11648/j.js.20200806.12 AB - Objective: Development of ultrasonic technology in surgical devices includes mechanisms of monitoring and adjusting energy delivery to target tissues for the purpose of limiting thermal spread. The objective of the current study was to evaluate performance of a new Adaptive Tissue Technology algorithm, designed to enhance thermal management in the HARMONIC 1100 Shears. Methods: The HARMONIC 1100 Shears were evaluated with bench-top and in vivo preclinical (porcine) analyses for tissue thermal spread, blade heat, transection speed, hemostasis and vessel sealing performance. Testing was performed in parallel with the current production HARMONIC HD 1000i Shears to confirm non-inferiority of the new Adaptive Tissue Technology algorithm. Results: Bench top analysis revealed significantly lower average maximum blade temperatures for HARMONIC 1100 compared to HARMONIC HD 1000i as well as HARMONIC ACE+ 7 Shears with Advanced Hemostasis. Thermal spread, transection speeds, and burst pressure tests of excised porcine carotid arteries did not show a statistical difference between HARMONIC 1100 and HD 1000iShears. In vivo analysis of hemostasis following sealing/transection of various blood vessels in acute porcine testing demonstrated similar efficacy for HARMONIC 1100 and HD 1000i Shears. Likewise, tissue lateral thermal damage showed no statistical difference between the new and previous generation Harmonic device in the porcine model. Conclusion: The new Adaptive Tissue Technology in HARMONIC 1100 Shears allows for reduced maximum blade temperatures while providing effective hemostasis, sealing strength, transection speed, and limited thermal damage. VL - 8 IS - 6 ER -