Abstract: A patch having expansion and supporting effects, comprising a body (10, 10A, 10B), at least one first support member (20, 20A, 20B), and at least one second support member (30, 30A, 0B).

Abstract: A body cavity illumination apparatus has a position-controlling trocar and an intra-corporeal light element. The position-controlling trocar has a sticker, a positioning device, a trocar tube, and a trocar connector. The sticker has a through hole. The positioning device is deposited on the sticker. The trocar tube is connected to the positioning device, extends through the sticker, and has an inner end and an outer end. The trocar connector is connected to the outer end of the trocar tube. The intra-corporeal light element is detachably mounted in the position-controlling trocar and has a shaft, a shaft connector, a cable connector, and a light cable. The positioning-controlling trocar may provide a holding effect to the intra-corporeal light element without manual holding to keep the position. In use, the intra-corporeal light element may provide an intra-corporeal illumination effect at multi-angles.