Automatic method for detecting dimension of use part of surgical instrument

A surgical instrument, automatic detection technology, applied in instruments, measuring devices, optical devices, etc., can solve the problems of labor-intensive and low efficiency, unavoidable human errors, time-consuming artificial visual inspection, etc., to improve the pass rate and safety. High accuracy, high speed and high speed

Inactive Publication Date: 2011-05-11
UNIV OF SHANGHAI FOR SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This traditional manual visual inspection is time-consuming, l

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  • Automatic method for detecting dimension of use part of surgical instrument
  • Automatic method for detecting dimension of use part of surgical instrument
  • Automatic method for detecting dimension of use part of surgical instrument

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Embodiment Construction

[0039] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0040] like Figure 4 As shown, the automatic detection device for the size of the used part of the surgical instrument includes a computer 1, a camera 2, a light source lamp 3, a calibration gauge fixture 4, a width detection fixture 5, a height / thickness detection fixture 6, a camera fixing device 7, and a calibration gauge. Camera 2 consists of a CMOS image sensor and a CMOS camera.

[0041] like Figure 5 As shown, the camera fixing device 7 includes a camera frame 8, a guide rail slider 9, a guide rail 10, a guide rail base 11, and a detection platform 12. The guide rail base 11 is fixed on the detection platform 12. The helical tooth groove of tooth guide rail 10 connects fixed guide rail slide block 9, and guide rail slide block 9 is provided with camera frame 8, and camera frame 8 fixes camera 2, and guide rail base 11 front is provided with c...

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Abstract

The invention relates to an automatic method for detecting the dimension of the use part of a surgical instrument. The detection method provided by the invention comprises the following steps: image acquisition, system calibration and image processing, wherein the image processing includes automatic use part positioning and sub-pixel edge detection.

Description

[0001] The present invention is a divisional application of the "automatic detection device for the size of the used part of the surgical instrument and its detection method", the filing date of the original application: April 30, 2009, the application number: 200910050294.8, the name of the invention: Automatic size of the used part of the surgical instrument Detection device and detection method thereof. technical field [0002] The invention relates to an instrument for automatically detecting the size of the use part of a surgical instrument, in particular to an automatic detection method for the size of the use part of the surgical instrument based on the principle of machine vision. Background technique [0003] The size detection of surgical instruments is a very common and practical problem in the quality control of surgical instruments. At present, domestic surgical instrument manufacturers mainly adopt manual measurement methods, such as using vernier calipers, mic...

Claims

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Application Information

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IPC IPC(8): G01B11/00G01B11/02G01B11/06G01B11/03
Inventor 王殊轶张敏燕周颍葛斌孟青云郭世俊谢海明尹勋超高艳华韩露
Owner UNIV OF SHANGHAI FOR SCI & TECH
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