Abstract: A light-drawing type display apparatus according to the present invention is formed by: a plate provided in the front side of the apparatus and having a plurality of light-transmitting small holes and standing upright; each light-cutting member is provided to each of the small holes of the plate in order to open or close each of the small holes; and a light source provided to the rear of the light-cutting members for irradiating the whole of the plate; wherein the light-cutting members are moved by using a predetermined writing means so that the light-transmitting small holes are opened, and the light from the light source is transmitted to the front side, then, characters or pictures are drawn on the plate; and wherein the light-cutting members are moved by using a predetermined erasing means so that the light-transmitting small holes are closed, and the light from the light source is cut off, then, characters or pictures are erased from the plate.

Abstract: A method and an apparatus for training for cardiac surgery using endoscopic techniques are provided. The apparatus comprises a model thorax having an internal cavity and a plurality of ribs, intercostal spaces between the ribs through which an endoscopic instrument can be inserted during use of the model, and a heart located in the internal cavity and removably connected to the model, the heart having a coronary artery on which surgical training can be performed during use of the model. The apparatus also comprises a sternum located on the anterior aspect of the thorax, and at least one internal mammary artery located on a posterior surface of the sternum. The apparatus can also include a fluid system in communication with the heart and providing pressurized fluid to the coronary artery, such that cutting the artery simulates bleeding as the pressurized fluid effuses from the artery.

Abstract: A riding gaming machine has display means for displaying game information and a riding horse body imitating a horse body. The riding horse body is provided with manipulation means for performing game manipulation and a control section being connected to the display means and the manipulation means for controlling game information displayed on the display means.