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Bionic artificial temporal-mandibular joint replacement prosthesis

A temporomandibular joint and prosthesis technology, applied in the field of bionic artificial temporomandibular joint replacement prosthesis, can solve problems such as inability to achieve muscle bioattachment, inability to achieve joint physiological range of motion, increase the burden on healthy side joints, etc., to prevent bone loss Bacterial necrosis, increasing the range of motion, improving the effect of use and longevity

Pending Publication Date: 2018-11-02
SHANGHAI NINTH PEOPLES HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE
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  • Abstract
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AI Technical Summary

Problems solved by technology

However, none of the current prosthetic designs can realize the bioattachment of muscles, so the physiological range of motion of the joint cannot be achieved, and at the same time, it increases the burden on the healthy side joint

Method used

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  • Bionic artificial temporal-mandibular joint replacement prosthesis
  • Bionic artificial temporal-mandibular joint replacement prosthesis
  • Bionic artificial temporal-mandibular joint replacement prosthesis

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Embodiment Construction

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0025] see Figure 1-5 , the present invention provides a technical solution:

[0026] A bionic artificial temporomandibular joint replacement prosthesis, comprising a glenoid prosthesis 1 and a mandibular branch prosthesis 2, the glenoid prosthesis 1 includes a tissue surface 3 and a functional surface 4, wherein the tissue surface 3 includes a wing plate 5 and an extension part 6, the bottom surface of the functional surface 4 is provided with a glenoid dep...

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Abstract

The invention relates to the technical field of medical treatment and in particular relates to a bionic artificial temporal-mandibular joint replacement prosthesis. According to the bionic artificialtemporal-mandibular joint replacement prosthesis, in-growth and attachment of lateral pterygoid muscles can be realized, so that the motion range of the joint prosthesis is widened, and the defects that the pure mechanical joint has limited motion and burdens on lateral healthy joints are increased are overcome. Due to hydroxyapatite coating on the contact surface of socket prosthesis and bones and the porous titanium structure of the contact surface of mandibular prosthesis and bones, the bonding capacity of the prosthesis and bones is increased, and aseptic necrosis of bones caused by micromotion of the prosthesis is avoided, so that the using effect of the prosthesis is improved and the service life of the prosthesis is prolonged.

Description

technical field [0001] The invention relates to the field of medical technology, in particular to a bionic artificial temporomandibular joint replacement prosthesis. Background technique [0002] Temporomandibular joint replacement is an effective means of treating advanced osteoarthropathy, joint ankylosis, tumor, idiopathic resorption and other diseases. Among them, the artificial temporomandibular joint prosthesis has the advantages of being stable and non-absorbing, and does not need to open up a second operation area, thereby reducing surgical trauma, and is widely used abroad. However, none of the current prosthetic designs can achieve muscle bioattachment, thus failing to achieve the physiological range of motion of the joint, while increasing the burden on the healthy side joint. Contents of the invention [0003] The technical problem solved by the invention is to overcome the defects of the prior art and provide a bionic artificial temporomandibular joint replac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/30
CPCA61F2/3099A61F2002/30718A61F2002/30517A61F2002/30507A61F2002/3039A61F2002/30991
Inventor 何冬梅朱慧敏邹璐芗王成焘李祥张露珠杨磊孙琦
Owner SHANGHAI NINTH PEOPLES HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE
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