Experimental study of combined treatment using laser, cryogenic and radiofrequency preliminary processing

2018 Ural Symposium on Biomedical Engineering, Radioelectronics and Information Technology (USBEREIT) Pub Date : 2018-05-01 DOI:10.1109/USBEREIT.2018.8384538

N. V. Belikov, I. V. Khaydukova, G. V. Savrasov, A. V. Gavrilenko, A. Borde

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Abstract

Among existing surgical methods for treating atherosclerotic lesions of the arteries there are open, semi-closed and minimally invasive. Traumatization of open and semi-closed methods significantly exceeds the trauma caused by minimally invasive methods. The method of combined treatment is designed to combine the minimally invasive vascular surgery with the advantage of ultrasonic treatment of pathological tissue, which consists in the selectivity of the effect on the tissue. In this experimental study, we made a comparison between the efficiency of preliminary laser and cryogenic treatment of the cortex of the sheep kidney, and treatment of atherosclerotic plaque with high-frequency currents, with subsequent ultrasonic contact or hydrotreatment. During the preliminary treatment, a thin surface layer of carbonized tissue was obtained and then removed by ultrasonic treatment. Initial analysis of the results suggests that all the three pre-treatment methods are applicable for the combined method of ultrasonic treatment.

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激光、低温和射频预处理联合处理的实验研究

目前治疗动脉粥样硬化病变的手术方法有开放、半封闭和微创三种。开放和半封闭方法造成的创伤明显超过微创方法造成的创伤。联合治疗的方法是将微创血管手术与超声治疗病理组织的优点结合起来，其优点在于对组织的作用具有选择性。在本实验研究中，我们比较了对羊肾皮质进行初步激光和低温治疗的效率，以及用高频电流治疗动脉粥样硬化斑块，随后进行超声接触或加氢治疗的效率。在初步处理过程中，获得一层薄薄的碳化组织，然后通过超声波处理去除。初步分析结果表明，三种预处理方法均适用于超声联合处理方法。

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2018 Ural Symposium on Biomedical Engineering, Radioelectronics and Information Technology (USBEREIT)

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