| 摘要 |
Disclosed by the present invention is a chair seat board which has a perineum ventilation function capable of inducing the perineum ventilation of a sitting person. The structure of the chair seat board which has a plate shape of being smoothly curved in the front side according to the present invention has: two hip accommodating dents which are arranged to accommodate hip of a sitting person in the rear central side of the plate; a coccyx accommodating groove which accommodates the coccyx of the sitting person by being extended from the center of the hip accommodating dents to the rear side; a perineum ventilation groove which accommodates the perineum of the sitting person by being extended from the center of the hip accommodating dents to the front side and induces the inflow of air; and a thighbone settlement groove which has a radial shape to the front side of the plate from both lateral parts around the perineum ventilation groove in order to settle the thighbone of the sitting person. Therefore, the present invention is able to induce the health of a sitting person by preventing the suppression of a perineum and inducing a ventilation by accommodating the bladder and urethra of the sitting person enough by forming the two hip accommodating dents for accommodating each hip in the rear side of the chair seat board and forming the perineum ventilation groove for accommodating the prostate of the sitting person by being extended from the center of the hip accommodating dents to the front side. |
