How to squeeze cancer cells to death by cavitation of ultrasonic waves and its resonance frequency

Abstract

In PDT, a patient by cancer must be confined in the dark room for one month, to avoid the severe burns. So, to release a patient from such a harsh condition which is accompanied by the decline in the quality of life and at the same time so as to correspond to the late stage cancer, in this study, the combine therapy of cavitation by ultrasonic waves and the resonant phenomenon on the cancer cells by the outer vibration. Here, cavitation is the generation of the bubble, its swelling, and its rupture, in accordance with the change of the pressure from outside. Utilizing the energy convergence, (1) high heat (2) Compression of cancer cells (3) drawing effect. And outerly given vibration whose frequency is close to the eigenfrequency of cell itself, (4) tears cells swung away from the neovascularity. In this paper its integrated effect is shown.