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Integrated mandible osteotomy external fixing device and use method

A mandible and external fixation technology, applied in bone drill guidance, medical science, surgery, etc., to achieve the effects of improving recovery and treatment effects, reducing operational difficulty, and improving accuracy

Active Publication Date: 2021-06-25
SHANGHAI NINTH PEOPLES HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is still no good method for the accurate fixation and restoration of the spatial position relationship of the amputated mandibular stump, and a device or method is urgently needed to achieve

Method used

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  • Integrated mandible osteotomy external fixing device and use method
  • Integrated mandible osteotomy external fixing device and use method
  • Integrated mandible osteotomy external fixing device and use method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0043]Firstly, according to the size data of the patient’s mandibular osteotomy position, the first fixed guide plate 2, the second fixed guide plate 3, the connecting rod 1, the first upper osteotomy guide plate 7, the second Two upper osteotomy guide plates 9, a first lateral osteotomy guide plate 4 and a second lateral osteotomy guide plate 5;

[0044] Such as figure 2 As shown, the first fixed guide plate 2 and the second fixed guide plate 3 are aligned on the mandible at both ends of the mandibular part to be resected, and the first fixed guide plate 2 and the second fixed guide plate are inserted through the fixed nail holes 10 with steel nails. 3. The first upper osteotomy guide plate 7 and the second upper osteotomy guide plate 9 are fixed;

[0045] Such as image 3 As shown, the osteotomy is performed, and the first lateral osteotomy guide plate 4 and the second lateral osteotomy guide plate 5 are cut off together along the gap during osteotomy;

[0046] Such as ...

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Abstract

The invention discloses an integrated mandible osteotomy external fixing device and a using method. The integrated mandible osteotomy external fixing device comprises a first fixed guide plate and a second fixed guide plate. a connecting rod which is used for connecting the first fixed guide plate and the second fixed guide plate; a first upper osteotomy guide plate and a second upper osteotomy guide plate which are respectively connected to the upper sides of the first fixed guide plate and the second fixed guide plate; wherein the side parts of the first upper osteotomy guide plate and the first fixed guide plate are connected with a first side osteotomy guide plate, the side parts of the second upper osteotomy guide plate and the second fixed guide plate are connected with a second side osteotomy guide plate, and the first side osteotomy guide plate and the second side osteotomy guide plate are oppositely arranged. According to the invention, osteotomy can be accurately guided in an operation, and the spatial position relation of the residual mandible relative to the maxilla can be accurately fixed.

Description

technical field [0001] The invention relates to the field of medical devices, in particular to an integrated external fixation device for mandibular osteotomy and a use method. Background technique [0002] The mandible is the only movable bone in the oral and maxillofacial region. It is an important bone support for the oral and maxillofacial region and participates in maintaining the appearance of the maxillofacial region and performing oral functions. The mandibular granules, the joint fossa and articular nodules on both sides of the skull base form the temporomandibular joint, and each group of muscle tissues attached to the mandible drives the mandible to move the mandible forward and laterally around the temporomandibular joint. Complete the functions of the mandible. [0003] Inflammation, deformity, and various benign and malignant tumors involving the mandible are common clinical problems in oral surgery, and surgery is the main method for treating these jaw lesion...

Claims

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Application Information

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IPC IPC(8): A61B17/17
CPCA61B17/1732A61B17/176
Inventor 王进兵孙坚李军高欣杨鑫郑志伟杨胜兵陈宇晖
Owner SHANGHAI NINTH PEOPLES HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE
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