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Jawbone restoration

A prosthetic and jawbone technology, applied in the direction of prostheses, skulls, bone implants, etc., can solve the problems of unsatisfactory hard tissue bonding, poor retention, unsatisfactory filling and sealing, etc., and achieve long-term bone fusion , good effect of fixed position

Active Publication Date: 2013-02-13
BEIJING AKEC MEDICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a jaw prosthesis to solve the problem that it is difficult to ideally reconstruct a jaw prosthesis whose shape conforms to the physiological bone in the jaw repair technology in the prior art, and there are problems of unsatisfactory filling and sealing of the defect position and poor retention And the long-term hard tissue bonding effect of the prosthesis directly processed by metal is not ideal

Method used

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  • Jawbone restoration
  • Jawbone restoration
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Embodiment Construction

[0027] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0028] see figure 1 As shown, the present invention provides a jaw prosthesis, comprising a maxillary prosthetic body 10 and a mandibular prosthetic body 20; the maxillary prosthetic body has a bone fusion surface 30, an implant abutment fixing hole 40, tendon or soft tissue Attachment area 50 , tendon lock hole 60 , through hole 70 , and outstretched screw hole 80 .

[0029] The main body of jaw restoration is based on CT, MRI and other scanning data of the part to be repaired and the surrounding tissues that the patient needs to fill, and reversely reconstructs the 3D model through computer software, and then designs a jaw restoration that fully conforms to the individual anatomical shape. ...

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Abstract

The invention provides a jawbone restoration which is arranged at a physiological jawbone lacking position of a patient to replace a physiological jawbone and comprises a jawbone restoration main body and an osseous fusion surface, wherein the jawbone restoration main body is in the same shape as the physiological jawbone; the osseous fusion surface is arranged on the joint surface of the jawbone restoration main body and the adjacent physiological jawbone; and the osseous fusion surface has a micropore structure into whcih bone cells are grown. By using the technical scheme, the jawbone restoration is highly similar to the lacking physiological bone of the patient in form, the closed lacking position is fully filled, and the position fixation is good; and by setting the osseous fusion surface facilitating growth of bone cells, long-term bone fusion of the restoration and the physiological bone is facilitated.

Description

technical field [0001] The invention relates to the field of medical repair prosthesis, in particular to a jaw prosthesis. Background technique [0002] Craniomaxillofacial and mandibular defects are common in clinical cases. Maxillofacial cysts and tumors, acute and chronic osteomyelitis of the jaw, osteoradionecrosis, severe trauma, infection, and congenital genetic diseases can lead to partial or complete resection or loss of the mandible, interrupting the continuity of the bone structure, and many with adjacent soft tissue defects. Mandibular defects seriously affect the physiological functions of patients such as language, breathing, chewing, swallowing and facial beauty, which seriously reduces the quality of life of patients. [0003] At present, the commonly used clinical methods for the treatment of jaw defects include autologous bone grafting, allograft bone grafting, distraction osteogenesis and bone tissue engineering, but there are still problems such as unsat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/28
CPCA61F2/28A61F2/2803A61F2/2875A61F2002/2889A61F2002/3092
Inventor 张卫平
Owner BEIJING AKEC MEDICAL