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Air-pressure-type constant-tensile force orthodontic apparatus

A constant tension, pneumatic technology, applied in the field of medical devices, can solve problems such as affecting the effect of orthodontic treatment and attenuation of orthodontic force

Pending Publication Date: 2018-03-23
NANJING FORESTRY UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a pneumatic constant tension orthodontic device, which solves the problem that the orthodontic force generated by the arch wire, spring, rubber band or rubber chain ring in the existing oral orthodontic device will attenuate, thereby affecting the orthodontic effect The problem

Method used

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  • Air-pressure-type constant-tensile force orthodontic apparatus
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  • Air-pressure-type constant-tensile force orthodontic apparatus

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Embodiment Construction

[0013] The present invention will be described in detail below in combination with specific embodiments.

[0014] The present invention as Figure 1 to Figure 3 As shown, it includes a cylinder body 1, the upper cover 2 of the cylinder body 1 is connected with the buckle ring 3 by bolts, the cylinder body 1 is provided with a piston 4, and the edge of the sealing ring 5 and the piston 4 is bonded by medical biological glue, so that the piston 4 can It is sealed with the inner wall of the cylinder body 1, and the elastic positioning clip 6 is fixed on the protrusion of the piston 4 by bolts. The geometric center of the piston 4 is clamped and fixed with bolts and nuts. Press down to make the piston 4 and the sealing gasket 8 and the bottom plate 9 fit closely. The sealing gasket 8 and the bottom plate 9 are fixed on the bottom of the cylinder body 1. When the external force When the arch wire 7 is stretched, the arch wire 7 pulls the piston 4 to move along the inner surface of...

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Abstract

The invention discloses a pneumatic constant tension oral orthodontic device, which comprises a cylinder body, an upper cover of the cylinder body and a buckle ring are connected by bolts, a piston is arranged in the cylinder body, and the sealing ring is bonded to the edge of the piston by medical biological glue. The piston can be sealed with the inner wall of the cylinder, and the elastic positioning clip is fixed on the protrusion of the piston through bolts. One end of the arch wire enters the cylinder body through the center hole of the buckle, and is positioned at the geometric center of the piston through the right-angle groove on the elastic positioning clip. and fixed with bolts and nuts, and the sealing gasket and bottom plate are fixed at the bottom of the cylinder. The beneficial effect of the invention is that the adopted orthodontic device can generate constant traction force on the teeth, and the traction force will not become attenuated.

Description

technical field [0001] The invention belongs to the technical field of medical devices and relates to a pneumatic constant tension orthodontic device. Background technique [0002] Orthodontics refers to the direct or indirect action of orthodontic force on teeth and their supporting tissues, thereby causing a series of tissue biochemical reactions to achieve the purpose of tooth movement. Existing orthodontic studies have shown that constant orthodontic force can make teeth move faster. In the current orthodontic clinical practice, the orthodontic force generated by the elasticity of orthodontic components such as arch wires, springs, rubber bands or rubber chains added to the orthodontic brackets is usually used to correct the teeth. The arch wire is pre-bent and molded with memory alloy, and then runs through the entire row of teeth (upper jaw or lower jaw) through the dental bracket to align the teeth as a whole. Springs, rubber bands or rubber chain rings, etc. are co...

Claims

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Application Information

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IPC IPC(8): A61C7/22A61C7/12
CPCA61C7/22A61C7/12
Inventor 吴斌鹿如鑫范龙严斌黄辉祥朱芸芸杨宇葛天怿
Owner NANJING FORESTRY UNIV
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