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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, and achieve long-term bone fusion , good effect of fixed position

Active Publication Date: 2014-07-23
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

A jawbone prosthesis is arranged at a position lacking physiological jawbone of a patient to replace the physiological jawbone and comprises a jawbone repairing main body in the same shape as the physiological jawbone and a bone fusion surface (30) provided on the joint surface between the jawbone repairing main body and the adjacent physiological jawbone. The bone fusion surface is provided with a micro-porous structure into which bone cells can grow. The jawbone repairing main body has highly similar configuration to the lacked physiological bone of the patient, and thereby can fill and close the defection position fully and firmly. The bone fusion surface (30) facilitates long-term bone fusion between the prosthesis and the physiological bone.

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 Patents(China)
IPC IPC(8): A61F2/28
CPCA61F2/28A61F2/2803A61F2002/3092A61F2002/2889A61F2/2875
Inventor 张卫平
Owner BEIJING AKEC MEDICAL