An oral expansion retainer

By designing an adjustable oral cavity retainer, the problem of existing technologies being unable to adapt to different patients' oral cavity sizes has been solved, enabling flexible opening adjustments and improving the effectiveness of examinations and treatments as well as the patient experience.

CN224357581UActive Publication Date: 2026-06-16Stomatological Hospital Affiliated to Anhui Medical University (Anhui Stomatological Hospital)
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2026-06-16

AI Technical Summary

Technical Problem

Existing oral retractors cannot be adjusted according to the size of different patients' mouths, resulting in over-retraction and discomfort for patients with smaller mouths or insufficient retraction for patients with larger mouths, affecting the effectiveness of examinations and treatments.

Method used

An oral cavity opening and retainer was designed, comprising a groove, a mounting plate, a fixed opening block, a sliding opening block, and an intermediate opening block. Through the coordinated operation of the adjustment components and the lever, the opening component can be adjusted to adapt to the oral conditions of different patients.

Benefits of technology

It allows for flexible adjustment of the opening range according to the patient's oral condition, improving the operational efficiency of examination and treatment and enhancing the patient's user experience.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224357581U_ABST
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Abstract

The utility model discloses a kind of oral cavity distraction retainers, including shell, the front side wall of the shell is equipped with sliding slot, the lower side of shell is equipped with mounting bracket, further include distraction mechanism;Distraction mechanism: it includes mounting piece, fixed distraction block, sliding distraction block and intermediate distraction block, the inside sliding connection of the sliding slot is equipped with symmetric distribution mounting piece, the right end of the outer side of two mounting pieces is equipped with fixed distraction block, the left end of fixed distraction block is cooperatively equipped with sliding distraction block, the opposite inner side of two sliding distraction blocks is slidably connected with the outer side of the mounting piece adjacent to inner side, the inside of the right side adjacent fixed distraction block of sliding distraction block is cooperatively equipped with intermediate distraction block;The oral cavity distraction retainer, by multiple components collaborative operation, with oral cavity distraction range adjustable function, can effectively adapt to different patient oral cavity condition, improve the use experience and operation effect in oral cavity examination and treatment process.
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