Novel quantum molecular resonance energy source for laparoscopic bipolar vessel sealer: An experimental study in animal model
Abstract
Abstract Background: The majority of conventional bipolar energy-based vessel sealing devices utilize energy at frequencies between 300 kHz and 500 kHz. The use of such frequencies has the disadvantages including unintended damage to surrounding tissues and excessive surgical smoke production. Here, we developed an bipolar energy source using Quantum Molecular Resonance (QMR) energy of 4–64 MHz and combined this into a laparoscopic vessel sealer. We investigate the microscopic tissue effect and surgeon's experiences of laparoscopic bipolar vessel sealer using a novel QMR energy source through animal experiments. Results: In an open surgical setting, QMR energy sources showed higher sealing success rates (100% vs. 66.7%) and higher burst pressure (963 mmHg vs. 802mmHg) of the sealed vessels compared to LigaSure™. Histological analysis showed less vessel wall injury in the QMR energy source (55.0% vs. 73.9%). In the laparoscopic setting experiments, compared to LigaSure™, QMR energy sources showed statistically significantly less smoke formation (p = 0.014), less tissue carbonization (p = 0.013), and less stickiness (p = 0.044) during sealing tissues. Conclusions: Novel QMR energy source for laparoscopic bipolar vessel sealer could produce better sealing performance and less surrounding tissue damage compared to the conventional devices. Laparoscopic surgery using QMR energy sources showed better surgeon's experiences in terms of surgical smoke formation, tissue carbonization,…
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