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Plasma Medicine
SJR: 0.278 SNIP: 0.183 CiteScore™: 0.57

ISSN Печать: 1947-5764
ISSN Онлайн: 1947-5772

Plasma Medicine

DOI: 10.1615/PlasmaMed.2016015879
pages 99-108

Study on Thermal Characteristics of Ionized Gas Coagulation Equipment

Jaeho Kim
Innovative Plasma Processing Group, Electronics and Photonics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 2, 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, Japan
Hajime Sakakita
Innovative Plasma Processing Group, Electronics and Photonics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 2, 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, Japan; Department of Engineering Mechanics and Energy, Graduate School of Systems and Information Engineering, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba, Ibaraki 305-8573, Japan
Hiromasa Yamada
Innovative Plasma Processing Group, Electronics and Photonics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 2, 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, Japan; Department of Engineering Mechanics and Energy, Graduate School of Systems and Information Engineering, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba, Ibaraki 305-8573, Japan
Sanae Ikehara
Biotherapeutic Research Group, Biotechnology Research Institute for Drug Discovery, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan
Hayao Nakanishi
Division of Oncological Pathology, Aichi Cancer Center Research Institute, 1-1 Kanokoden, Chikusa, Nagoya, Aichi 464-8681, Japan
Toru Niwa
Wakayama Medical University, 811-1 Kimiidera, Wakayama, Wakayama 641-8509, Japan
Nobuyuki Shimizu
Sanno Hospital, International University of Health and Welfare, Tokyo, Japan
Masao Ichinose
Wakayama Medical University, 811-1 Kimiidera, Wakayama, Wakayama 641-8509, Japan
Yuzuru Ikehara
Innovative Plasma Processing Group, Electronics and Photonics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 2, 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, Japan; Biotherapeutic Research Group, Biotechnology Research Institute for Drug Discovery, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan

Краткое описание

Low energy ionized gas coagulation equipment (LE-IGCE) using low temperature nonthermal atmospheric pressure plasmas has been attracting special attention with the popularization of minimally invasive surgery. In this work, the thermal characteristics of a commercial high energy ionized gas coagulation equipment (HE-IGCE) and a specially designed LE-IGCE have been studied using an infrared camera and optical emission spectroscopy during their treatments. The four substrates used for the treatments were pork meats, copper (Cu) plates, wet tissues, and glass plates. In the HE-IGCE treatment, the surface temperature of the pork meat rose to 350°C, and the rotational temperatures of nitrogen molecules in plasmas were 450 to 1630 K, depending on which substrate was used during HE-IGCE treatments. In the LE-IGCE treatment, the surface temperature of pork meats was lower than 40°C, and the rotational temperatures of nitrogen molecules were lower than 350 K. The results show that the LE-IGCE can maintain the temperature of biological tissue below the threshold that would cause irreversible tissue damage.


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