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Medical support detection method

A detection method and a technology of rotating brackets, which are applied in the direction of measuring devices, optical devices, and optical testing of flaws/defects, etc., can solve the problems of relatively high manufacturing process costs, slow manual detection, expensive equipment, etc., and achieve the effect of simple operation

Inactive Publication Date: 2013-07-24
KUNSHAN THETA MICRO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is a large error in manual detection
In addition, manual inspection is relatively slow and will increase the relative cost of the manufacturing process
However, the existing visual automatic detection equipment is extremely complicated, and the whole set of equipment is expensive

Method used

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  • Medical support detection method
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Embodiment Construction

[0016] Various preferred embodiments of the invention are discussed below. However, those skilled in the art should understand that the detailed description herein is not intended to limit the protection scope of the present invention, and the present invention can also be realized through the modification of the following embodiments or other equivalent methods.

[0017] Defects such as contamination, incision failure, contact points, island-like defects, damage, corrosion spots, and deformation generally appear after stent processing. In a nutshell, as figure 1 As shown, common defects include shape defects as shown in a, geometric errors as shown in b, and boundary defects as shown in c.

[0018] image 3 A device suitable for the detection method according to one embodiment of the present invention is shown. As shown in the figure, the device mainly includes: a roller device, a horizontal lighting source, a vertical lighting source, an electronic linear array CCD, a dis...

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Abstract

The invention discloses a medical support detection method. The medical support detection method comprises the following steps of rotating a support sample so that all areas of the support sample can be detected conveniently, illuminating an outer surface area of the support sample by a transverse illumination light source, illuminating an inner surface area of the support sample by a longitudinal illumination light source, carrying out support sample scanning by a line-by-line scanning method to obtain an integral image of the support sample, comparing detected geometric feature sizes of the support sample and theoretical benchmark data to determine errors, and displaying the errors on a user interface. Wavelength of light produced by the transverse illumination light source is different from that of light produced by the longitudinal illumination light source.

Description

[0001] technical field [0002] The invention relates to a thin-walled tube laser micromachining technology, in particular to a detection method for a medical bracket. [0003] Background technique [0004] A medical stent implanted in a blood vessel can act as a scaffold to keep the blood vessel open. Medical stents must meet strict working requirements. If the stent contains any rough or sharp edges, it will damage the blood cells or the vessel wall where the stent is implanted, which will lead to further vascular disease, which is potentially life-threatening . Generally, small changes in manufacturing process parameters, such as laser power, tube diameter or mechanical chatter, can cause defects. Because the functional failure of the stent may lead to life-threatening, the detection link after the stent processing is completed is particularly important. [0005] The existing detection methods include manual detection and automatic detection by visual system. Manual ...

Claims

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Application Information

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IPC IPC(8): G01N21/89G01B11/00
Inventor 魏志凌宁军夏发平马秀云
Owner KUNSHAN THETA MICRO
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