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Temporomandibular joint (TMJ) and mandible joint prosthesis

A temporomandibular joint and mandibular technology, applied in the field of temporomandibular joint and mandibular joint prosthesis, can solve problems such as inability to perform dental implantation and dentition restoration

Pending Publication Date: 2020-11-17
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

The main advantages of this prosthesis are that no autogenous bone is needed, the surgical trauma is small, and the function of the temporomandibular joint is restored well.

Method used

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  • Temporomandibular joint (TMJ) and mandible joint prosthesis
  • Temporomandibular joint (TMJ) and mandible joint prosthesis
  • Temporomandibular joint (TMJ) and mandible joint prosthesis

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Embodiment Construction

[0045] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0046] see Figure 1 to Figure 10 . It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the present invention. Limiting conditions, so there is no technical substantive meaning, any modification of structure, change of proportional relationship or adjustment of size, without affecting the effect and purpose of the present invention, should still fall within the scope of the present invention. The disclosed technical content must be within the scope covered. At the s...

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Abstract

The invention provides a temporomandibular joint (TMJ) and mandible joint prosthesis which at least comprises a TMJ fossa prosthesis, a mandible prosthesis and a joint head prosthesis, wherein the mandible prosthesis comprises a mandible ascending ramus part and a mandible extending part, the mandible ascending ramus part and the mandible extending part are connected to form an individualized simulation mandible ascending ramus and at least part of mandible body form; the tail end of the mandible ascending ramus part of the mandible prosthesis is fixedly connected with the articular head prosthesis; and the bent concave surface of the mandible prosthesis is used as the upper side, and a continuous or discontinuous porous structure area is arranged in the middle of the mandible prosthesis.The TMJ and mandible joint prosthesis can repair TMJ functions, mandible forms, dentition defects and the like of various TMJ-mandible joint defects individually at the same time to achieve joint reconstruction of TMJ-mandible-dentitions.

Description

technical field [0001] The invention relates to the field of medical devices, in particular to a temporomandibular joint and mandibular combined prosthesis. Background technique [0002] The temporomandibular joint (TMJ) is located in front of the tragus, adjacent to the base of the skull upward, and extends downward to the ramus of the mandible and the mandibular body. It is the only bilateral linkage joint in the human body. It has a fine structure and complex functions. When various lesions result in TMJ-mandibular joint defect or complete mandible, it will lead to severe dysfunction of mastication, swallowing, language and breathing, and even death. How to simultaneously restore the function of the temporomandibular joint, the shape of the mandible and the defect of the dentition has always been a difficult point in the field of oral and maxillofacial surgery. [0003] For temporomandibular joint-mandibular joint defects and total mandibular lesions, there are two main ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/30
CPCA61F2/3099A61F2002/30991
Inventor 杨驰郑吉驷焦子先陈敏洁姜闻博
Owner SHANGHAI NINTH PEOPLES HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE
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