(57) [summary] [purpose] arranged attached to the penis outer periphery, by performing the strangulation of the penis sequentially from the central side to the peripheral side, to induce penile erection of erectile dysfunction, and to maintain the erection state. [Configuration] The array is mounted on the outer circumference of the penis A, inner diameter R is reduced in diameter, The increased diameter there is a plurality of strangulation tool 1, 2, and 3 that strangulated the penis A to. Reduced in diameter by connecting each of the above-mentioned strangulation tool 1, 2 and 3, there is a strangulation tool drive mechanism 9 for large-diameter behavior. The drive mechanism 9, a plurality of strangulation tool 1, 2, 3, sequentially reduced in diameter from the base side of the penis A to the peripheral side, as well as large-diameter operation, and function to perform this operation is repeated.
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