Patent ID: 7169037
Filing Date: 2007-01-30
Classification: A61B

Abstract:
1. An air curtain apparatus for an ophthalmological inspection instrument, the air curtain apparatus comprising: an air blower, an air suction device connected to medical level air-suction and cleaning equipment through an air flow duct for pushing, pulling and filtrating the air existing in the front side of the ophthalmological inspection instrument, wherein the air blower is installed on the upper side of a pair of support columns of the ophthalmological inspection instrument for generating an air flow stream downwardly in a vertical direction; and the air suction device is installed on the lower side of the support columns of the ophthalmological inspection instrument and includes: (1) a hollow inner side constructed of a thin sheet material to form the air flow duct, (2) a slot-shaped opening as an air inlet connected to the air flow duct, (3) a buffer plate extending from the lower edge of the slot-shaped opening, and (4) a tube connector as an air outlet through which the air suction device is connected to the air-suction and cleaning equipment.