Patent ID: 9131997
Filing Date: 2015-09-15
Classification: A61C

Abstract:
1. A hooded simple suction tray for dental extraoral operations which is installed in a suction hose for a dental suction apparatus incorporated in a dental unit and which is removably held by a nozzle holder of the dental unit, wherein the hooded simple suction tray includes: a tray main body having an internal space in which an extraoral operation is performed; a communication pipe that allows the internal space of the tray main body and the suction hose to communicate with each other; and a fly prevention hood that prevents a flying substance resulting from the extraoral operation from flying around, the tray main body, the communication pipe, and the fly prevention hood being integrally formed of a synthetic resin, and wherein the tray main body includes a substantially rectangular bottom plate that is long in an X 1 -X 2 direction and short in a Y 1 -Y 2 direction orthogonal to the X 1 -X 2 direction in a plan view and a peripheral side plate that stands from a peripheral portion of the bottom plate and inclining gradually outward in an upward direction, the bottom plate includes a base hooking and mounting portion formed on the bottom plate and having a partly flat lower surface, the communication pipe extends downward from the bottom plate and is attached to an X 2 -side end portion of the bottom plate in the X 1 -X 2 direction, with this X 2 -side end portion being corresponding to an intermediate portion of the bottom plate in the Y 1 -Y 2 direction, the communication pipe is a funnel-shaped pipe that has a diameter gradually increasing upward, the fly prevention hood includes a petal-shaped plate which is erected at a communication pipe-side upper end portion of the peripheral side plate and which gradually decreases outward in length in the Y 1 -Y 2 direction, gently recessed finger placing portions are arranged in an area of the base hooking and mounting portion, on junctions of an upper edge of the peripheral side plate which are connected to opposite ends of the fly prevention hood in the Y 1 -Y 2 direction, the bottom plate has a maximum length of 6 cm to 8 cm in the X 1 -X 2 direction and a maximum length of 2 cm to 6 cm in the Y 1 -Y 2 direction, and the base hooking and mounting portion is hooked to and mounted at an end portion of an upper surface of a work table to allow the extraoral operation to be performed.