一种防咬舌开牙器

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By designing a combination of stop plate, expansion component, sleeve, push component and fixing component for the tongue-biting mouth opener, the problem of existing tongue-biting mouth openers being easy to fall off is solved, and the tongue-biting mouth opener is firmly fixed, reducing the number of operations required by medical staff.

CN224505600UActive Publication Date: 2026-07-17ZHEJIANG HOSPITAL

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: ZHEJIANG HOSPITAL
Filing Date: 2025-02-27
Publication Date: 2026-07-17

AI Technical Summary

Technical Problem

Existing tongue-biting devices are prone to falling off, increasing the workload of medical staff and making them inconvenient to use.

Method used

An anti-biting tongue opener was designed, comprising a stop plate, an expansion component, a sleeve, a pusher, a finger buckle plate, and a fixing component. The expansion component is stably clamped by the pusher and the fixing component is fastened to prevent it from falling off.

Benefits of technology

It effectively prevents the tongue-biting device from falling off, reduces the number of operations required by medical staff, and improves ease of use.

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Abstract

本实用新型公开了一种防咬舌开牙器，属于开牙器领域，包括止挡板；两个扩张件，对称设置在止挡板一侧；套管，设置在止挡板另一侧；推动件，一端依次滑动贯穿套管和止挡板并与两个扩张件连接；推动件用于推动两个扩张件进行扩张；指扣板，套设在套管外壁。本实用新型的防咬舌开牙器，当推动件头端完全穿过固定件时，固定件可对推动件进行扣接固定，以供维持两个扩张件的当前状态，由于患者口腔一直会施加力度使上下两侧牙齿合拢，而扩张件又与患者牙齿紧抵，通过所形成的咬合力以及扩张件的限位能力，进而实现防掉的效果。

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Claims

1. An anti-tongue-biting tooth expander, characterized by, Including the stop plate (1); Two expansion members (2) are symmetrically arranged on one side of the stop plate (1); The sleeve (3) is set on the other side of the stop plate (1); The pusher (4) slides through the sleeve (3) and the stop plate (1) at one end and is connected to the two expansion members (2); The pusher (4) is used to push the two expanders (2) to expand; The snap plate (5) is fitted onto the outer wall of the sleeve (3); The fastener (6) is set on the outer wall of the finger buckle plate (5) and is used to fix the pusher (4).

2. The anti-eating tongue opening tooth expander according to claim 1, characterized in that, The expansion member (2) includes a flared plate (21) rotatably disposed on the outer wall of the stop plate (1); the side of the flared plate (21) away from the stop plate (1) is inclined and has an arc-shaped groove (22); and a toothed groove (23) is formed on the outer wall of the flared plate (21).

3. The anti-eating tongue opening tooth expander according to claim 2, characterized in that, The pusher (4) includes a push rod (41) that slides through the sleeve (3) and the stop plate (1) at one end; several hinge seats (42) set on one end of the push rod (41) and the inner wall of the two flared plates (21); two hinge seats (42) are hinged to each other by a connecting rod (43); and a push plate (44) set on the other end of the push rod (41), with a fixing hole (45) on the push plate (44) for the fixing member (6) to pass through.

4. The anti-eieating tongue spade as claimed in claim 3, wherein The fastener (6) consists of several plugs, the outer wall of which has a bevel and a recess for fastening the push plate (44).

5. The anti-eating tongue opening tooth expander according to claim 3, wherein, The surface of the push plate (44) is provided with several grooves to increase the friction with the user's hand.