A device for testing the mechanical properties of periodontal ligament in orthodontics

1. The present utility model mainly relates to the technical field of medical devices, in particular to an orthodontic periodontal ligament mechanical property testing device.

Background technique:

2. Medical devices refer to instruments, equipment, appliances, in vitro diagnostic reagents and calibrators, materials and other similar or related items that are directly or indirectly used in the human body, including required computer software, and medical devices include medical equipment and medical consumables , the utility is mainly obtained through physical and other means, and the purpose is the diagnosis, prevention, monitoring, treatment or alleviation of disease, the diagnosis, monitoring, treatment, alleviation or functional compensation of injury, the inspection, replacement, adjustment or support of physiological structure or physiological process, To provide information for medical or diagnostic purposes by examining samples from the human body, where in stomatology, orthodontics refers to the direct or indirect action of orthodontic forces on teeth and their supporting tissues, resulting in a series of tissue biochemical changes Therefore, medical personnel need to test the mechanical properties of the orthodontic periodontal ligament to understand the patient's condition and formulate an appropriate medical plan.

3. In today's existing orthodontic periodontal ligament mechanical performance testing devices, such as the technical structure of the application document with the application number of cn202123086193.1, it includes a base, and the right side of the top surface of the base is provided with a fixing plate, so A vacuum pump is installed on the top of the left side of the fixed plate, the output end of the vacuum pump is equipped with a pressure test assembly, the left side of the pressure test assembly is provided with a push rod, and the front of the fixed plate is provided with an electrical signal with the pressure test assembly The connected data display, although the device can achieve the mechanical test of the periodontal ligament, but because the shape of the alveolar bone of each tooth is different and the surface is uneven, the device cannot be well aligned with only two splints. The tooth body is fixed, and the splint has a large area and a small volume of the tooth. The space occupied by the splint will hinder the pressure test component from being tested and reduce the work efficiency.

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