| abstract |
(57) [Summary] [Object] To provide an acoustic medium which is not affected by moisture, has shape retention, flexibility, and appropriate elasticity and is excellent in acoustic characteristics used for ultrasonic diagnosis and ultrasonic treatment. [Structure] A rubber-like elastic body having a double bond in the molecule, such as natural rubber or synthetic rubber, an oily substance that dissolves the rubber-like elastic body, and a composition containing an organic peroxide, such as heating means. A gel acoustic medium is obtained by crosslinking and molding by. In addition, this medium has acoustic characteristics similar to those of a living body. |