Fibula positioning and shaping assisting plastic device and manufacturing method thereof

A technology for assisting positioning and manufacturing methods, which is applied in computer-aided surgery, medical science, surgery, etc., can solve the problems of indeterminate surgical effect and inability to ensure installation accuracy, and reduce the difficulty and risk of surgery, with simple structure and convenient operation. Effect

Inactive Publication Date: 2014-08-06
ZHEJIANG UNIV OF TECH
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AI Technical Summary

Problems solved by technology

[0003] In order to overcome the disadvantage that the installation of the fibula in the existing precise jaw repair surgery cannot ensure the accuracy of the installation due to the manual operation, the operation effect cannot be determined. Shaped device and method of making the same

Method used

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  • Fibula positioning and shaping assisting plastic device and manufacturing method thereof

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Embodiment Construction

[0014] With reference to the accompanying drawings, the manufacturing method of the fibula auxiliary positioning and shaping device includes the following steps:

[0015] 1. CT scanning is performed on patients with jaw defects, and then the CT is imported into the calculation to reconstruct the maxillofacial bone model and fibula model.

[0016] 2. On the reconstructed maxillofacial bone model, clarify the resection site and the cutting route of the diseased jaw, and simulate the cutting of the maxillofacial bone model in the computer along the cutting route; replace the resected diseased jaw model with the fibula model, find A substitute fibula segment model with the most suitable length and angle for the incision of the maxillofacial bone model was obtained.

[0017] 3. Using the outer surface of the fibular segment model as the inner surface 11 of the positioning and shaping guide plate 1, perform three-dimensional modeling on the positioning and shaping guide plate 1 to o...

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Abstract

A manufacturing method of a fibula positioning and shaping assisting device comprises the steps that a jaw surface bone model and a fibula model are reconstructed; the parts in need of cutting and cutting paths are determined; cutting is simulated to find out a most suitable backup fibula section model; positioning and shaping guide plate models are obtained; a model of the fibula positioning and shaping assisting device is obtained and the fibula positioning and shaping assisting device is manufactured. The fibula positioning and shaping assisting device manufactured through the manufacturing method of the fibula positioning and shaping assisting device is formed by connecting a plurality of positioning and shaping guide plates, the inner surface of each positioning and shaping guide plate is completely attached with the outer surface of a corresponding fibula section, and a track formed by fixing the adjacent positioning and shaping guide plates end to end according to the break angle is uniform with the installation track of the set fibula on the maxillofacial skeleton. By means of the fibula positioning and shaping assisting device, the cut fibular can be accurately installed into the jaw surface bone according to the ideal operative plan, and the operation effect is guaranteed.

Description

technical field [0001] The invention relates to a fibula auxiliary positioning and shaping device and a manufacturing method thereof, in particular to a fibula auxiliary positioning and shaping device for precise jaw repair surgery and a manufacturing method thereof. Background technique [0002] With the development of the economy, people's pursuit of quality of life is getting higher and higher, and they put forward higher requirements for their own medical treatment and health. Among the many disease threats that people face, oral diseases have always been one of the main threats to human health, especially gum cancer and enamel tumors have been on the rise in recent years. The main treatment for these diseases is currently through The diseased jaw area is surgically removed, and the patient's own fibula or ilium is transplanted into the oral cavity to replace the diseased mandible. At present, stomatologists in most hospitals in China perform this type of operation by o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/56
CPCA61B17/56A61B2017/564A61B2034/101
Inventor 张鹏园刘云峰仵健磊张燕红
Owner ZHEJIANG UNIV OF TECH
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