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Intraoral intermaxillary bone traction device

A technology of bone traction and jawbone, applied in the field of medical devices, can solve problems affecting patients' daily life and learning, inability to wear for a long time, discomfort when wearing, etc., to achieve long-term wear, convenient surgical insertion, appearance and daily life. small effect

Inactive Publication Date: 2016-09-14
PLASTIC SURGERY HOSPITAL CHINESE ACAD OF MEDICAL SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this utility model patent also has many deficiencies. For example, the fixation mode relies on the external fixation bracket with the skull as the anchorage, and the traction device is external, so there is discomfort when wearing it. The bulky appearance affects the daily life and learning of patients. Weak sex and other disadvantages
In addition, for the traction treatment of moderate to severe maxillary retrusion in adolescent patients, it cannot be worn for a long time for postoperative long-term maintenance treatment

Method used

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  • Intraoral intermaxillary bone traction device
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Embodiment Construction

[0024] Below in conjunction with the accompanying drawings, the intraoral intermaxillary bone traction device in the present invention, its specific structure, characteristics are described in detail as follows:

[0025] Such as Figure 1-2 As shown, an intraoral intermaxillary bone traction device is used for bone anchorage between the upper and lower jaws in the mouth. The traction device includes four anchorage type retractors 9. There are two anchorage tractors 9 on both sides of 10, and the two anchorage tractors use rubber bands 11 to hook the hook cylinders 4 on the respective traction arms 2 to realize the connection of the two anchorage tractors. . In addition, the two retractors on the left and the two retractors on the right are symmetrical with respect to the X axis. In addition, the anchorage retractor is cast from titanium alloy material without welding.

[0026] The anchor type retractor comprises a fixed end 1 with a hole and a traction arm 2, the fixed end ...

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Abstract

The invention discloses an intraoral intermaxillary bone traction device. The intraoral intermaxillary bone traction device comprises four anchorage type tractors. The anchorage type tractors are arranged on the maxillary bone, two anchorage type tractors are arranged on one side of the maxillary bone, the other two anchorage type tractors are arranged on the other side of the maxillary bone, the two anchorage type tractors on the left side and the two anchorage type tractors on the right side are symmetrical about the X axis, and the anchorage type tractors on the two sides are connected through rubber bands respectively.

Description

technical field [0001] The invention mainly relates to the technical field of medical devices, in particular to an intraoral intermaxillary bone traction device for maintenance after correcting mild maxillary retrusion or maxillary traction in adolescent patients. Background technique [0002] Skeletal dysplasia in the middle of the face with maxillary retrusion is a common maxillofacial deformity in clinical practice. It can occur primarily in normal patients but is often secondary to patients with congenital cleft lip and palate. Because the deformity occurs earlier, it usually affects adolescents It will lead to the impairment of the function of the oral and jaw system and the poor facial appearance of the patient, which will have a negative impact on the psychological development of the child. Therefore, early correction of the deformity is not only conducive to the recovery of the function of the oral and jaw system and the improvement of the facial appearance of the pa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/66
CPCA61B17/66
Inventor 童海洲赵振民刘磊张辰
Owner PLASTIC SURGERY HOSPITAL CHINESE ACAD OF MEDICAL SCI
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