Spoon-shaped device for subgingival scaling in department of stomatology

Abstract

The invention provides a spoon-shaped device for subgingival scaling in the department of stomatology. The spoon-shaped device comprises a handle and working ends, wherein each working end comprises aneck, a spoon-shaped fixed block is arranged at the terminal end of each neck, an unidirectional tooth groove is formed in each spoon-shaped fixed block, the direction of each unidirectional tooth groove is perpendicular to the direction of the corresponding neck, each unidirectional tooth groove is arranged along the circumferential direction of the corresponding spoon-shaped fixed block, each unidirectional tooth groove comprises an inner groove area and an outer groove area from the inside to the outside, the side wall of each inner groove area is set to be rigid, the side wall of each outer groove area is set to be flexible, the inside of each unidirectional tooth groove is provided with a tension spring along the groove-forming direction of the unidirectional tooth groove, each tension spring is connected with a spoon-shaped movable block opposite to the corresponding spoon-shaped fixed block, each spoon-shaped movable block is provided with a blade surface, and a unidirectionaltooth block matched with the corresponding unidirectional tooth groove, and each unidirectional tooth block is set to be rigid. Under the pulling force action of each tension spring, each unidirectional tooth block is embedded in the corresponding unidirectional tooth groove and the movement is restricted by the corresponding inner groove area, and when each spoon-shaped movable block is pulled outward so that the corresponding unidirectional tooth block is located in the corresponding outer groove area, each spoon-shaped movable block can be rotated in one direction along the circumferentialdirection to adjust an angle between each blade surface, and the terminal end surface of the corresponding neck.

Description

technical field [0001] The invention relates to the technical field of precision instruments for stomatology treatment, in particular to a spoon-shaped device for subgingival curettage in the stomatology department. Background technique [0002] Subgingival curettage is the use of fine instruments to scrape subgingival plaque, subgingival calculus and diseased cementum, etc., so as to form a smooth and smooth root surface with good histocompatibility, which is conducive to the formation of new periodontal attachments. [0003] The current commonly used instruments are spoon-shaped devices. Because they need to fit the tooth surfaces of different teeth, there are two specifications for the working end of the spoon-shaped device, such as figure 1 shown. On the left working end, the blade surface 01 and the neck end surface 02 form an angle of 90 degrees, which is used for ordinary tooth surfaces. The working end on the right has a 70-degree angle between the blade face 01 an...

AI Technical Summary

Problems solved by technology

And there is currently no spoon suitable for all tooth surfaces

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