The present invention relates to a sling device which is provided in a long tubular supply and is cut to the specific length needed for a user. A ratio rw of a radius r of the surface of the resin portion to a width w of the pressure generation chamber defined by the vibrating wall is greater than or equal to 0. Also provided are small molecule selective aromatase inhibitors having a molecular weight of less 500 gmol. The second driver circuit including a second sequential circuit is electrically connected with the even scanning lines, and supplies the scanning signals to the even scanning lines in order.