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초음파 치료 시 초음파 세기 변화에 따른 생리적 효과 연구
김성민,이만표,최병철,최상혁,배하석,정회승,박성윤,Kim, S.M.,Lee, M.P.,Choi, B.C.,Choi, S.H.,Bae, H.S.,Jung, H.S.,Park, S.Y. 대한의용생체공학회 2008 의공학회지 Vol.29 No.1
Therapeutic ultrasound which is developed for rehabilitation therapy have already been used for healing joint contracture, synechia, acute and chronic inflammatory diseases. Medical devices for pain-relief and healing using therapeutic ultrasound are actively being developed. This study measured the change of PTT with the transmitted ultrasound through the human body to find out the increase of compliance of blood vessels. Measurement method of PTT in this study is employed as useful ways to acquire physiological information of patients in the clinical case in order to measure the change of mechanical characteristics of blood vessels. This study confirmed the PTT change of rehabilitation patients through the thermal effects of ultrasound by using PTT and also found that it is possible to increase PTT by adjusting the warm water and ultrasound. The increase of PTT means the decrease of the pulse wave velocity from the cardiovascular system to the peripheral arteries. The physiological effects occurred using the warm water and ultrasound.