一种口腔开口器
By introducing a fixation component and a strength adjustment component into the oral mouth opener, the problem of insufficient flexibility of the hook C-shaped mouth opener is solved, and a stable connection and adjustable bending of the side hook body and the pull rod body are achieved, improving the flexibility and safety of the operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DALIAN DENTAL HOSPITAL
- Filing Date
- 2025-06-17
- Publication Date
- 2026-07-17
AI Technical Summary
The existing C-shaped retractor mouth opener has poor flexibility and cannot adapt to different surgical perspective requirements, resulting in insufficient surgical precision and safety.
An oral cavity opener was designed. By setting a fixing component and a strength adjustment component, a quick and stable connection between the side hook body and the pull rod body can be achieved. The flexibility of the pull rod body can be adjusted, enhancing the flexibility and adaptability of the device.
It improves the flexibility and adaptability of the surgery, reduces pressure on the patient's oral tissues, lowers the risk of postoperative discomfort and complications, and improves the precision and safety of the surgery.
Smart Images

Figure CN224505601U_ABST
Abstract
Claims
1. An oral cavity speculum, characterized by, Includes a side pull hook body, a pull tab fixedly connected to the side pull hook body, a pull rod body installed on the top of the side pull hook body, and an installation block fixedly connected to the top of the side pull hook body; A fixing component is provided for fixing the side hook body and the pull rod body together, and the fixing component is connected to the mounting block; A strength adjustment component is provided, which is used to adjust the strength of the pull rod body and is connected to the pull rod body.
2. The oral cavity speculum of claim 1, wherein, The fixing component includes mounting screws mounted on the mounting block, mounting holes adapted to the shape of the mounting screws on the mounting block, washers fitted on the mounting screws, mounting plates fitted on the mounting screws, and mounting grooves adapted to the shape of the mounting screws on both sides of the pull rod body.
3. The oral cavity speculum of claim 2, wherein, The mounting screws are made of stainless steel, and the washers are made of rubber.
4. The oral cavity speculum of claim 2, wherein, The mounting plate is an irregularly shaped polygonal structure made of stainless steel, and grooves that match the shape of the mounting plate are provided on both sides of the pull rod body.
5. The oral cavity opener according to claim 1, characterized in that, Both the side hook body and the pull rod body are made of plastic, and the outer edges of both the side hook body and the pull rod body are rounded.
6. The oral cavity speculum of claim 1, wherein, The strength adjustment component includes a reinforcing wire installed on the pull rod body, the pull rod body has a movable groove, and the pull rod body has equidistant limiting grooves that are adapted to the shape of the reinforcing wire.
7. The oral cavity speculum of claim 1, wherein, The pull rod body has lightweight grooves evenly spaced on it, and the pull rod body is an arc-shaped structure that protrudes away from the side hook body.
8. The oral cavity speculum of claim 6, wherein, The pull rod body has a first weakening part, and the side hook body, the pull tab and the mounting block are integrally formed.
9. The oral cavity speculum of claim 6, wherein, The pull rod body has an end piece on the side near the opening of the movable slot, and the end piece has a guide portion.
10. The oral cavity speculum of claim 9, wherein, The reinforcing wire is made of stainless steel. The end piece has a second weakening part on the side near the pull rod body, and the pull rod body has a third weakening part on the side near the first weakening part.