1 results about "Index finger" patented technology

A corneal foreign body draw-out spoon is an apparatus applied for drawing out a corneal foreign body, which can reach the purpose of conveniently, thoroughly and safely drawing out the corneal foreign body. The corneal foreign body draw-out spoon comprises a spoon part, a connecting rod and a handheld section. The spoon part comprises a semicircular spoon and a spoon tip formed by the tapering of the top end of the semicircular spoon, and a transition part between the semicircular spoon and the spoon tip is a shoveling part with the two sides being sharp. The connecting rod connects the spoon part with the handheld section, and the angle between the connecting rod and the spoon part is 30 degrees. The entire corneal foreign body draw-out spoon is made of stainless steel, can be disinfected by high temperature and can be used repeatedly. An operator can pinch the handheld section by an index finger and a thumb and aligns the head of the spoon with a corneal foreign body under a slit lamp; as for a smaller foreign body, the operator can be directly pick out the foreign body through the spoon tip; and as for a bigger foreign body or a foreign body which has turned to a rust ring, the operator can first stir to loosen the foreign body, then adjust the angle of the corneal foreign body draw-out spoon, and scrape the remaining foreign body or rust ring through the shoveling part at the side face or the spoon part at the back end of the spoon.