Titanium material personalized skull-jaw facial bone renovation unit and preparation method thereof

A craniofacial and bone repair technology, applied in prosthesis, medical science, image data processing, etc., can solve the problems that the strength of titanium mesh cannot meet the requirements, structural defects are difficult to repair, and achieve excellent mechanical properties and ensure mechanical properties. Effect

Active Publication Date: 2009-08-05
北京吉马飞科技发展有限公司
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Problems solved by technology

Although this method can make a more accurate restoration model, because the titanium mesh is pressed against the restoration model to make the restoration, it is difficult to make a fitting restoration for defects with complex structures. For large defect surfaces or parts with high mechanical requirements, the strength of titanium mesh cannot meet the requirements, so it cannot be used for repairing defects in large craniomaxillofacial bones or parts with high mechanical requirements

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  • Titanium material personalized skull-jaw facial bone renovation unit and preparation method thereof
  • Titanium material personalized skull-jaw facial bone renovation unit and preparation method thereof
  • Titanium material personalized skull-jaw facial bone renovation unit and preparation method thereof

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Embodiment Construction

[0042] The present invention will be further described below with reference to the accompanying drawings.

[0043] figure 1 The basic steps of the present invention are described: the first step, using CT tomography to obtain craniomaxillofacial bone image data of patients, the second step, computer three-dimensional reconstruction of craniomaxillofacial bone, the third step, computer-aided design of prosthesis, the second step The fourth step is rapid prototyping and processing of repair parts model, and the fifth step is investment precision casting.

[0044] Among them, the CT tomographic scan in the first step requires that the scanning slice thickness is ≤10 mm, and the reconstruction slice thickness is ≤2 mm, preferably 1.5 mm. In this way, there are more than one hundred images for a craniomaxillofacial bone of more than ten centimeters data. Record the data in standard DICOM format and save it as a CD-ROM file.

[0045] Preferably, the above-mentioned image files a...

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Abstract

The invention relates to a method for producing titanium personal head facial bone repair material. Wherein, it comprises that using CT section to scan and obtain the image data of facial bone, using computer to build three-dimension model, designing repair element, shaping processing model, and casting. The invention is characterized in that: in the computer assisted design of repair element, the hurt part is covered by quadrangle to form four sealed curvatures, to generate sealed curvature surface. And it uses two kinds of personal head facial bone curvature cover methods, to realize personal accurate casting model.

Description

Technical field: [0001] The invention relates to a preparation method of an artificial prosthesis used to replace craniomaxillofacial bone defects, in particular to a preparation method of a personalized cranial and maxillofacial bone prosthesis made of titanium materials. The processing of maxillofacial bone prosthetics, this method is mainly used in the fields of neurosurgery, plastic surgery, oral and maxillofacial surgery and other fields of craniofacial bone trauma or bone defect repair after lesion resection. Background technique: [0002] Medical implant replacement surgery is one of the common surgical operations, but one of the difficulties faced by clinical prosthesis replacement surgery is that the optimal geometry of the implant cannot be known before surgical intervention. The particularity of craniomaxillofacial bone defects is that the requirements for postoperative morphology are more prominent than those of other parts. Traditional repair materials include ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61L27/06G06F17/50G06T17/00
Inventor 李晓峰曹会志刘灿姜谦
Owner 北京吉马飞科技发展有限公司
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