Novel distracter used for oral and maxillofacial surgery

Abstract

The invention discloses a novel distracter used for the oral and maxillofacial surgery. The novel distracter comprises an upper tooth socket and a lower tooth socket, wherein the upper tooth socket and the lower tooth socket are arranged in U-shaped structures, two fixing blocks are arranged between the upper tooth socket and the lower tooth socket, a screw hole is arranged in the top face of thefixing block positioned at the upper end, a screw hole is also arranged in the bottom face of the fixing block positioned at the lower end, a lug is fixedly mounted on each of the end faces, just opposite to the screw holes, of the upper tooth socket and the lower tooth socket, one end of each lug is inserted into the corresponding screw hole and is in threaded connection with the screw hole, a sleeve is fixedly mounted on the bottom surface of the fixing block positioned at the upper end, a bearing is mounted on the top face of the fixing block at the lower end in an embedding manner, a screwrod is fixedly mounted on an inner ring of the bearing, and one end of the screw rod is inserted into the sleeve and is in threaded connection with the sleeve. The novel distracter is simple in structure and small in size, and can be completely positioned in the oral cavity, the distracting degree can be effectively controlled, and meanwhile, the tooth sockets can be replaced according to the sizes of the teeth, so that the comfort of a patient is increased.

Description

technical field [0001] The invention relates to the field of medical instruments, in particular to a novel retractor for oral and maxillofacial surgery. Background technique [0002] Oral and maxillofacial surgery mainly focuses on surgical treatment, and mainly studies and prevents oral organs (teeth, alveolar bone, lips, cheeks, tongue, palate, pharynx, etc.), facial soft tissues, and maxillofacial bones (maxilla, mandible, zygomatic bone, etc.) Bones, etc.), temporomandibular joints, salivary glands, and some related diseases in the neck. During diagnosis and treatment, the doctor needs to open the patient's mouth. [0003] However, the current stretching device is difficult to grasp when stretching, which makes the patient feel uncomfortable; in addition, the angle between the upper stretching part and the lower stretching part is fixed, which cannot adapt to the individual differences of patients and affects the degree of stretching. Accuracy, in addition, the current ...

AI Technical Summary

Problems solved by technology

[0003] However, the current stretching device is difficult to grasp when stretching, which makes the patient feel uncomfortable; in addition, the angle between the upper stretching part and the lower stretching part is fixed, which cannot adapt to the individual differences of patients and affects the degree of stretching. Accuracy, in addition, the current spreader is generally large in size, and the large handle is left outside the patient's mouth after the spreader is opened, causing psychological burden to the patient

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