Temporomandibular joint projection positioning mold

Abstract

The invention relates to the technical field of oral cavity projection auxiliary tools, in particular to a temporomandibular joint projection positioning mold, which comprises a box body, a supporting plate is arranged above the box body, the left side of the supporting plate is hinged to the box body, a driving structure is arranged in the box body, and a first threaded rod is arranged above the driving structure. The top of the first threaded rod is sleeved with a supporting pipe. Through the arrangement of the supporting plate, the driving structure, the supporting pipe, a transmission structure, a fixing plate, a lower tooth socket, a upper tooth socket and a fixing structure, the head of a patient can be manually fixed, the patient is prevented from moving during projection, the projection effect is improved, and a doctor can conveniently perform diagnosis work; the problems that an existing projection positioning device is inconvenient to fix the head of a patient, so that when the head of the patient rotates or deviates in the shooting process, a shot CT film is poor in effect, and diagnosis work is inconvenient are solved.

Description

technical field [0001] The invention relates to the technical field of oral projection aids, in particular to a mold for projection and positioning of temporomandibular joints. Background technique [0002] Temporomandibular joint is also called "temporomandibular joint" or "mandibular joint". It is composed of the mandibular head, the temporal bone-mandibular fossa and the articular tubercle, forming a joint joint on the left and right, mainly responsible for mouth opening and closing and chewing movement. The joint capsule is loose, and the side is strengthened by the medial and lateral ligaments. The articular disc in the capsule is oval and composed of fibrocartilage, which is divided into three parts: front, middle and back. The upper surface is saddle-shaped, with anterior concave and posterior convex, corresponding to the convex-concave contour of the joint tubercle and mandibular fossa; the lower concave is facing the mandibular head, the peripheral edge is connect...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a mold for projection and positioning of temporomandibular joints, which has the advantages of manually fixing the head of the patient, preventing the patient from moving during projection, improving the effect of projection, and facilitating the diagnosis of the doctor , to solve the problem that the existing projection positioning device is inconvenient to fix the patient's head, resulting in that when the patient's head rotates or shifts during the shooting process, the effect of the captured CT film is poor, and it is inconvenient to carry out diagnosis work question

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