Front traction device for correcting anterior crossbite

Abstract

The invention relates to a front traction device for correcting anterior crossbite. The front traction device comprises a support, a graduated holder, a traction member, an adjusting device and a digitizing module. The graduated holder is arranged at the bottom of the support, the traction member is clamped to the support through a slot and can slide relative to the support, the adjusting device is mounted at the slot of the traction member in a sleeving mode, a pressure sensor connected with the digitizing module is arranged in the graduated holder, the digitizing module is mounted on the support through a strap, and two ends of the strap are wound around the frontal bone of the human body by one circle to be fastened through a connecting device. The front traction device has the advantages that the traction angle can be rapidly and conveniently adjusted through the adjusting device, traction strength and traction time can be displayed in real time, and immeasurable injuries caused byabnormity of the traction strength and the traction time, namely the wearing time, to patients are avoided; the front traction device is humanized through the application of the digitizing module, and the correction accuracy and the treatment effect are improved.

Description

technical field [0001] The invention relates to a medical device, in particular to a front retractor for correcting anterior crossbite. Background technique [0002] Anterior crossbite is a major malocclusion that affects facial aesthetics and oral function. Severe skeletal crossbite needs to be corrected by orthognathic surgery, which is very risky. However, many severe skeletal anterior crossbite can be treated early, avoiding high-risk and high-cost orthognathic surgery. In the early treatment of anterior crossbite, the front retractor is one of the most important devices, which connects the intraoral device and the extraoral front retractor through a rubber ring. Among them, the traction angle of the rubber ring, the traction force, the length of time it is worn every day, and the cooperation degree of the front tractor worn by children all have a decisive impact on the therapeutic effect. Therefore, how to ensure the correct traction angle, appropriate traction force a...

AI Technical Summary

Problems solved by technology

[0003] At present, the cross bar of the front tractor to hang the traction apron needs to be adjusted with a screwdriver. Usually, it is necessary to repeatedly hang and remove the traction apron, and repeatedly remove and put on the front tractor to complete the adjustment of the angle of the traction apron. The operation is cumbersome; In addition, the current front tractor has no traction display function, and doctors need to measure it with a tension meter. Not only is there a certain error between the tension generated by the apron and the measurement, but the use steps are cumbersome; Ask the parents or the child to obtain information. As for the wearing time, the patient's compliance cannot be accurately judged, and the front tractor has no chin and temporomandibular force monitoring device, and there is too much force, which may damage the temporomandibular. Jaw joint risk

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