Digital data design method of local joint surface implant

A digital data and design method technology, which is applied in joint implants, joint implants, electrical digital data processing, etc., can solve the problems of inability to meet the design requirements of customized implants, poor bone matching, etc.

Inactive Publication Date: 2009-09-16
POU YUEN TECH
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  • Claims
  • Application Information

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Problems solved by technology

As far as the surface of the implant used in partial surface replacement is concerned, it is designed by the designer himself using one or more sets of software, and most of the standardized implants are used for design. It does not refer to the patient's own digital bone data, that is, in terms

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  • Digital data design method of local joint surface implant
  • Digital data design method of local joint surface implant
  • Digital data design method of local joint surface implant

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Embodiment Construction

[0029] In order to describe the technical features of the present invention in detail, the following preferred embodiment is given and described as follows in conjunction with the accompanying drawings, wherein:

[0030] Such as figure 1 As shown, a digital data design method of a local joint surface implant provided by a preferred embodiment of the present invention mainly has the following steps:

[0031] a) Obtain the digital data of the joint to be implanted: digitally scan the patient's joint to be implanted to obtain the digital data 11 of the joint to be implanted, such as figure 2 shown. During digital scanning, multiple digital 2D images can be obtained through computerized tomography (CT) or computerized magnetic resonance (MRI).

[0032] b) Define the repair area and the reserved area: such as Figure 3 to Figure 4 As shown, the digital data 11 of the joint to be implanted is divided into two regions and defined. The resected region to be removed is defined as t...

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Abstract

The invention discloses a digital data design method of a local joint surface implant, which comprises the steps as follows: (a) obtaining digital data of joints to be implanted: the joints of patients to be implanted are digitally scanned, thus obtaining the digital data of the joints to be implanted; (b) defining a repairing area and a preserving area: the digital data of the joints to be implanted is divided into two areas which are respectively defined, a cut area required to be cut is defined as the repairing area, and an area left after the cutting is defined as the preserving area; and (c) creating digital data of the implant: characteristics of the repairing area are selected and/or guide characteristics are automatically constructed, and the characteristics are defined as reference data and coordinates with digital data of the preserving area, thus generating a curved surface shape which can cover the outline of the repairing area after the process of mathematical operation, and the curved surface shape is cut and adjusted so as to fit for the size of the repairing area, and further defined as the digital data of the implant.

Description

technical field [0001] The invention relates to the manufacturing technology of artificial joints, in particular to a digital data design method for local joint surface implants. Background technique [0002] Press, in the design field of medical engineering human implants, at present most of the whole joint is replaced, so the overall design direction is mostly designed towards the structure and function of the whole joint. However, most of the joint damage is only localized. Therefore, when a total joint replacement is performed on a partially damaged joint, some healthy joints will also be replaced at the same time. Total artificial joint surgery is complicated, the wound is large, and the recovery of the patient is slow. In addition, if the artificial joint needs to be replaced again due to wear or disease in the future, more complicated surgery and treatment are often required. [0003] Nowadays, when performing joint replacement, partial surface replacement technology...

Claims

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Application Information

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IPC IPC(8): A61F2/30A61B5/103G06T1/00G06T15/00G06F17/50A61B17/56
Inventor 陈国仁林冠元许圣函赖景义林上智王文腾
Owner POU YUEN TECH
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