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Calibrating and tracking method and system for bone cutting guide block

A tracking system and positioning system technology, applied in the medical field, can solve problems such as guide block calibration, complex tracking, large size changes, and restrictions on the application of surgical navigation technology, so as to improve the quality of life of patients, reduce complexity, and reduce medical costs. Effect

Inactive Publication Date: 2019-04-16
ARIEMEDI SCI SHIJIAZHUANG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in hip and knee replacement surgery, there are many types of osteotomy guide blocks, and the size changes greatly. The calibration and tracking of the guide block are very complicated, which restricts the application of surgical navigation technology in hip and knee joint replacement surgery.

Method used

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  • Calibrating and tracking method and system for bone cutting guide block
  • Calibrating and tracking method and system for bone cutting guide block
  • Calibrating and tracking method and system for bone cutting guide block

Examples

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Effect test

Embodiment 1

[0028] see figure 1 , a flow chart of the steps of the osteotomy guide block calibration and tracking method provided by the embodiment of the present invention, including the following steps:

[0029] Step S110: installing the tracking marker on the osteotomy guide block;

[0030] see figure 2 , in the step of installing the tracking marker on the osteotomy guide block, specifically using a clamp to install the tracking marker 300 on the osteotomy guide block 400, fixing the cut of the osteotomy guide block 400 and the tracking marker The relative position of the object 300 makes the tracking marker 300 adaptable to various osteotomy guide blocks.

[0031] Step S120: calibrate the incision of the osteotomy guide block through optical positioning;

[0032] see figure 2 In the step of calibrating the incision of the osteotomy guide block through optical positioning, specifically, the optical positioning system 200 is used to calibrate the osteotomy guide block 400, and th...

Embodiment 2

[0038] The present invention also provides an osteotomy guide block calibration and tracking system 200, comprising: an installation unit 210 for installing tracking markers on the osteotomy guide block; The incision is marked; the positioning unit 230 optically locates the tracking marker to locate the incision of the osteotomy guide block, and displays the relative position of the incision and the leg bone; the tracking unit 240 determines that the osteotomy guide block is installed position to realize calibration and tracking of the osteotomy guide block.

[0039] In some preferred embodiments, the installation unit 210 is used to install the tracking marker on the osteotomy guide block, and fix the relative position between the cut of the osteotomy guide block and the tracking marker, so that the tracking The markers are compatible with a variety of osteotomy guide blocks.

[0040] In some preferred embodiments, the calibration unit 220 uses an optical positioning system ...

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Abstract

The invention provides a calibrating and tracking method and system for a bone cutting guide block. The method includes the steps that a tracking marker is installed on the bone cutting guide block, acut of the bone cutting guide block is calibrated through optical positioning, the tracking marker is subjected to optical positioning to position the cut of the bone cutting guide block, relative positions of the cut and a shank are displayed, the installing position of the bone cutting guide block is determined, and therefore the bone cutting guide block is calibrated and tracked. According tothe calibrating and tracking method and system for the bone cutting guide block, by designing a general tracking marker clamp and a mated calibrating tool, the calibrating and tracking system adapts to kinds of bone cutting guide blocks of hip and knee joint replacement operations, the application range of navigation of the hip and knee joint replacement operations is enlarged, the operation complexity of navigation is lowered, the operation process is optimized, operation efficiency is improved, medical treatment costs are lowered, and the life quality of patients is improved.

Description

technical field [0001] The invention relates to the field of medical technology, in particular to an osteotomy guide block calibration and tracking method and system. Background technique [0002] Artificial hip and knee arthroplasty is currently the most effective means of treating end-stage disease of the hip and knee joint. my country has gradually entered an aging society, and the amount of artificial hip and knee replacements is increasing at a rate of 25%-30% per year, leaving a huge gap in the market for joint replacement surgery. [0003] Artificial hip and knee arthroplasty in my country has been developed and applied for more than 20 years. It is a relatively safe and effective method for reconstructing hip and knee joint function and relieving pain in clinical practice. In clinical practice, preoperative X-ray and CT imaging examinations and intraoperative mechanical guides are used to perform osteotomy positioning in conventional hip and knee arthroplasty, and t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/17A61B34/20
CPCA61B17/1732A61B17/1746A61B17/1764A61B34/20A61B2017/564A61B2034/2055
Inventor 杨峰
Owner ARIEMEDI SCI SHIJIAZHUANG CO LTD
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