CN110132399A - Ultrasound knife cutter head amplitude measurement method - Google Patents
Ultrasound knife cutter head amplitude measurement method Download PDFInfo
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- CN110132399A CN110132399A CN201910464817.7A CN201910464817A CN110132399A CN 110132399 A CN110132399 A CN 110132399A CN 201910464817 A CN201910464817 A CN 201910464817A CN 110132399 A CN110132399 A CN 110132399A
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- image
- cutter head
- ultrasound knife
- knife cutter
- bright spot
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10132—Ultrasound image
Abstract
The present invention relates to a kind of ultrasound knife cutter head amplitude measurement methods, have follow steps: ultrasound knife cutter head tip is placed under ccd optical microphotograph lens head by step 1, opens optical microscope image software；Step 2 adjusts the focal length of optical microscopy, focuses the luminous point at cutter head tip, excites cutter, intercepts the vibrational image of luminous point；Step 3 analyzes vibrational image using MATLAB program and obtains analysis result.The present invention is different from the artificial measuring tool for using Survey Software and is directly measured vibrational image, is measured using MATLAB program amplitude image analysis, and measurement is accurate, precision is high, avoids artificially measurement bring error, precision can be obtained up to 0.0001 μm.
Description
Technical field
The present invention relates to ultrasonic measurement technical field more particularly to a kind of ultrasound knife cutter head amplitude measurement methods.
Background technique
Ultrasound knife is a kind of high frequency electrosurgical equipment, is mainly used for the operation such as cutting and vessel sealing of biological tissue.Tool
Have bleeding it is few, to surrounding tissue injury less, the features such as post-operative recovery is fast, act on tissue and play cutting and the solidifying work closed
With the side effects such as tissue is dry, burns will not be caused to have in situations in the surgery room also without electric current by human body when cutter head works
It is widely applied, there is the title of Bloodless scalpel.
The key parameter of ultrasound knife cutter head is Oscillation Amplitude of the cutter head tip when ultrasound occurs, and amplitude is too small to will affect hand
Art effect extends operating time, if the on the other hand excessive hand-held difficulty and manufacturing cost that will increase hand-held cutter head of amplitude, drop
Low service life.In existing test method, vibrational image is measured by the measuring tool manually using Survey Software.
Since the length of manual operation measurement photoelectric vibration image is there are large error, image length is not easy to measure, the result of measurement
It is larger with the actual amplitude error of cutter head.
Summary of the invention
The purpose of the present invention is overcoming the deficiencies of existing technologies, a kind of ultrasound knife cutter head amplitude measurement that accuracy is high is provided
Method.
Realizing the technical solution of the object of the invention is: a kind of ultrasound knife cutter head amplitude measurement method has follow steps:
Ultrasound knife cutter head tip is placed under ccd optical microphotograph lens head by step 1, and it is soft to open optical microscope image
Part；
Step 2 adjusts the focal length of optical microscopy, focuses the luminous point at cutter head tip, excites cutter, intercepts the vibration of luminous point
Motion video；
Step 3 analyzes vibrational image using MATLAB program and obtains analysis result.
Steps are as follows for the use of MATLAB program described in above-mentioned technical proposal:
Step 1, imports MATLAB program for vibrational image, and RGB image is carried out image conversion；
Step 2, manual frame selects probable ranges and the generation of leftmost side bright spot on carrying out the vibrational image after image conversion
The coordinate of first rectangular area intercepts the image in the first rectangular area；Manual frame selects the big of rightmost side bright spot on grayscale image
General range and the coordinate for generating the second rectangular area, intercept the image in the second rectangular area；
Step 3 calculates the distance of leftmost side bright spot and rightmost side bright spot.
The step of RGB image is carried out image conversion described in above-mentioned technical proposal is as follows:
Step 1 reads image, by eliminating tone and saturation infromation, while retaining brightness, RGB image is converted to
Grayscale image；
Step 2 adjusts the tonal range of grayscale image, is set as 0 less than 255 × 0.1, is set as greater than 255 × 0.9
255；
Image array all elements are subtracted the value of least member, then divided by greatest member value, enable all elements by step 3
After being distributed in 0~1, all elements are multiplied by 255；
Step 4 opens new window, display treated image.
The figure in the second rectangular area of image and the interception in the first rectangular area is intercepted described in above-mentioned technical proposal
Contain the program for preventing chosen area from causing mistake beyond image range in the program of picture.
Described in above-mentioned technical proposal calculating leftmost side bright spot and rightmost side bright spot apart from the step of it is as follows:
Step 1, on carrying out the vibrational image after image conversion, line of being crossed centered on the bright spot of the leftmost side, with most right
It crosses centered on the bright spot of side line；
Step 2 places a scale on carrying out the vibrational image after image conversion, sets the lookup model on scale both sides
It encloses.
Step 3, operation MATLAB program obtain the amplitude of ultrasound knife cutter head.
The seeking scope on scale both sides is set described in above-mentioned technical proposal as x=30:1:60/for x=60:1:
100。
After adopting the above technical scheme, the present invention have the effect of it is following positive:
The present invention is different from the artificial measuring tool for using Survey Software and is directly measured vibrational image, uses
MATLAB program measures amplitude image analysis, and measurement is accurate, precision is high, avoids artificial measurement bring error, can obtain
Precision is up to 0.0001 μm.
Detailed description of the invention
In order that the present invention can be more clearly and readily understood, right below according to specific embodiment and in conjunction with attached drawing
The present invention is described in further detail, wherein
Fig. 1 is the structural schematic diagram of optical microscopy of the invention.
1- ultrasound knife, 2- fixed device, 3- optical microscopy, 11- cutter head.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing and the present invention
Embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is this
Invention a part of the embodiment, instead of all the embodiments.
(embodiment 1)
The present invention provides a kind of ultrasound knife cutter head amplitude measurement method, has follow steps: step 1, by ultrasound knife cutter head
Tip is placed under ccd optical microphotograph lens head, opens optical microscope image software；Step 2 adjusts the coke of optical microscopy
Away from the luminous point at focusing cutter head tip excites cutter, intercepts the vibrational image of luminous point；Step 3 is analyzed using MATLAB program and is shaken
Motion video simultaneously obtains analysis result.
Optical microscope image in the selection of equipment, using existing optical microscopy, with optical microscopy cooperation
Software and computer are the prior art, seldom tired herein to state.Use the optical microscope that computer is first opened before test
As software, the object lens of optical microscopy 3 are adjusted to corresponding multiple, ultrasound knife 1 to be tested is put into the fixation of optical microscopy
On device 2, the universal wheel of optical microscopy 3 is rotated, 11 direction of cutter head of ultrasound knife is adjusted, ultrasound knife cutter head is allowed to be shown in calculating
In the window of machine image software, the knob for adjusting optical microscopy is focused, and finds a small and bright luminous point on cutter head, excites knife
Have work, after vibrational image is stablized, the vibrational image of selected luminous point is intercepted, and name image, by the vibrational image of interception
Title address copies in test program, runs program with MATLAB, obtains image analysis result, measures image using MATLAB
Analysis result obtains the amplitude of interception luminous point.
Steps are as follows: step 1 for the use of the MATLAB program, and vibrational image is imported MATLAB program, RGB is schemed
As carrying out image conversion；Step 2, manual frame selects the general model of leftmost side bright spot on carrying out the vibrational image after image conversion
The coordinate of the first rectangular area is enclosed and generated, the image in the first rectangular area is intercepted；Manual frame selects the rightmost side on grayscale image
The probable ranges of bright spot and the coordinate for generating the second rectangular area intercept the image in the second rectangular area；Step 3 calculates most
The distance of left side bright spot and rightmost side bright spot.
Described the step of RGB image is carried out image conversion is as follows: step 1 reads image, by eliminating tone and satisfying
With degree information, while retaining brightness, RGB image is converted into grayscale image；Step 2 adjusts the tonal range of grayscale image, is less than
255 × 0.1 are set as 0, are set as 255 greater than 255 × 0.9；Image array all elements are subtracted least member by step 3
Value, then divided by greatest member value, after enabling all elements be distributed in 0~1, all elements are multiplied by 255；Step 4 opens new window
Mouthful, display treated image.
It is described calculate leftmost side bright spot and rightmost side bright spot apart from the step of it is as follows: step 1 is carrying out image conversion
On vibrational image afterwards, line of being crossed centered on the bright spot of the leftmost side, line of being crossed centered on the bright spot of the rightmost side；Step 2,
On carrying out the vibrational image after image conversion, a scale is placed, sets the seeking scope on scale both sides.Step 3, operation
MATLAB program obtains the amplitude of ultrasound knife cutter head.
The seeking scope for setting scale both sides is for x=30:1:60/for x=60:1:100.
(embodiment 2)
Embodiment 2 the difference from embodiment 1 is that, it is described interception the first rectangular area in image and it is described interception second
Contain the program for preventing chosen area from causing mistake beyond image range in the program of image in rectangular area.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in guarantor of the invention
Within the scope of shield.
Claims (6)
1. a kind of ultrasound knife cutter head amplitude measurement method, which is characterized in that have follow steps:
Ultrasound knife cutter head tip is placed under ccd optical microphotograph lens head by step 1, opens optical microscope image software；
Step 2 adjusts the focal length of optical microscopy, focuses the luminous point at cutter head tip, excites cutter, intercepts the vibrorecord of luminous point
Picture；
Step 3 analyzes vibrational image using MATLAB program and obtains analysis result.
2. a kind of ultrasound knife cutter head amplitude measurement method according to claim 1, which is characterized in that the MATLAB program
Use steps are as follows:
Step 1, imports MATLAB program for vibrational image, and RGB image is carried out image conversion；
Step 2, manual frame selects the probable ranges of leftmost side bright spot and generates first on carrying out the vibrational image after image conversion
The coordinate of rectangular area intercepts the image in the first rectangular area；Manual frame selects the general model of rightmost side bright spot on grayscale image
The coordinate of the second rectangular area is enclosed and generated, the image in the second rectangular area is intercepted；
Step 3 calculates the distance of leftmost side bright spot and rightmost side bright spot.
3. a kind of ultrasound knife cutter head amplitude measurement method according to claim 2, which is characterized in that described by RGB image
The step of carrying out image conversion is as follows:
Step 1 reads image, by eliminating tone and saturation infromation, while retaining brightness, RGB image is converted to gray scale
Figure；
Step 2 adjusts the tonal range of grayscale image, is set as 0 less than 255 × 0.1, is set as 255 greater than 255 × 0.9；
Image array all elements are subtracted the value of least member, then divided by greatest member value, all elements are enabled to be distributed by step 3
After 0~1, all elements are multiplied by 255；
Step 4 opens new window, display treated image.
4. a kind of ultrasound knife cutter head amplitude measurement method according to claim 2, which is characterized in that the first square of the interception
Containing in the program of the image in the second rectangular area of image and the interception in shape region prevents chosen area beyond figure
As range causes the program of mistake.
5. a kind of ultrasound knife cutter head amplitude measurement method according to claim 2, which is characterized in that the calculating leftmost side
Bright spot and rightmost side bright spot apart from the step of it is as follows:
Step 1, on carrying out the vibrational image after image conversion, line of being crossed centered on the bright spot of the leftmost side is bright with the rightmost side
It crosses line centered on point；
Step 2 places a scale on carrying out the vibrational image after image conversion, sets the seeking scope on scale both sides.
Step 3, operation MATLAB program obtain the amplitude of ultrasound knife cutter head.
6. a kind of ultrasound knife cutter head amplitude measurement method according to claim 5, which is characterized in that the setting scale two
The seeking scope on side is for x=30:1:60/for x=60:1:100.
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| CN201910464817.7A CN110132399A (en) | 2019-05-30 | 2019-05-30 | Ultrasound knife cutter head amplitude measurement method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110916764A (en) * | 2019-12-06 | 2020-03-27 | 厚凯（天津）医疗科技有限公司 | Amplitude determination method and device for ultrasonic scalpel, storage medium and electronic equipment |
| CN113049085A (en) * | 2021-03-18 | 2021-06-29 | 常州安康医疗器械有限公司 | Amplitude detection device of ultrasonic knife |
| CN114136429A (en) * | 2021-11-18 | 2022-03-04 | 孚泽(成都)科技有限公司 | Ultrasonic knife amplitude testing method and device based on improved light spot method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19736169A1 (en) * | 1997-08-20 | 1999-04-15 | Fhu Hochschule Fuer Technik | Method to measure deformation or vibration using electronic speckle pattern interferometry |
| CN2634428Y (en) * | 2003-07-24 | 2004-08-18 | 南京理工大学 | Displacement automatic reading device based on image |
| CN1563892A (en) * | 2004-04-08 | 2005-01-12 | 中国人民解放军南京军区南京总医院 | Amplitude detector for supersonic blade |
| CN103033253A (en) * | 2012-12-10 | 2013-04-10 | 太原科技大学 | Non-contact vibration detecting method of tower crane structure |
| CN104048744A (en) * | 2014-07-08 | 2014-09-17 | 安徽常春藤光电智能科技有限公司 | Non-contact real-time online vibration measurement method based on images |
| CN105509659A (en) * | 2015-11-25 | 2016-04-20 | 淮安市计量测试所 | Image-processing-based flatness detection system |
| WO2018042424A1 (en) * | 2016-08-29 | 2018-03-08 | Elbit Systems Land And C4I Ltd. | Optical detection of vibrations |
| CN208672134U (en) * | 2018-08-30 | 2019-03-29 | 南京明瑞检测技术有限公司 | A kind of ultrasound knife cutter head amplitude measuring apparatus |
-
2019
- 2019-05-30 CN CN201910464817.7A patent/CN110132399A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19736169A1 (en) * | 1997-08-20 | 1999-04-15 | Fhu Hochschule Fuer Technik | Method to measure deformation or vibration using electronic speckle pattern interferometry |
| CN2634428Y (en) * | 2003-07-24 | 2004-08-18 | 南京理工大学 | Displacement automatic reading device based on image |
| CN1563892A (en) * | 2004-04-08 | 2005-01-12 | 中国人民解放军南京军区南京总医院 | Amplitude detector for supersonic blade |
| CN103033253A (en) * | 2012-12-10 | 2013-04-10 | 太原科技大学 | Non-contact vibration detecting method of tower crane structure |
| CN104048744A (en) * | 2014-07-08 | 2014-09-17 | 安徽常春藤光电智能科技有限公司 | Non-contact real-time online vibration measurement method based on images |
| CN105509659A (en) * | 2015-11-25 | 2016-04-20 | 淮安市计量测试所 | Image-processing-based flatness detection system |
| WO2018042424A1 (en) * | 2016-08-29 | 2018-03-08 | Elbit Systems Land And C4I Ltd. | Optical detection of vibrations |
| CN208672134U (en) * | 2018-08-30 | 2019-03-29 | 南京明瑞检测技术有限公司 | A kind of ultrasound knife cutter head amplitude measuring apparatus |
Non-Patent Citations (2)
| Title |
|---|
| 刘铁兵等: "《超声外科手术装置检定系统中超声刀头振幅测量方法的研究》", 《医疗卫生装备》 * |
| 贾政权等: "《基于MATLAB的动态位移监测图像处理方法》", 《华北理工大学学报（自然科学版）》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110916764A (en) * | 2019-12-06 | 2020-03-27 | 厚凯（天津）医疗科技有限公司 | Amplitude determination method and device for ultrasonic scalpel, storage medium and electronic equipment |
| CN110916764B (en) * | 2019-12-06 | 2022-07-29 | 厚凯（天津）医疗科技有限公司 | Amplitude determination method and device for ultrasonic scalpel, storage medium and electronic equipment |
| CN113049085A (en) * | 2021-03-18 | 2021-06-29 | 常州安康医疗器械有限公司 | Amplitude detection device of ultrasonic knife |
| CN113049085B (en) * | 2021-03-18 | 2022-11-15 | 常州安康医疗器械有限公司 | Amplitude detection device of ultrasonic knife |
| CN114136429A (en) * | 2021-11-18 | 2022-03-04 | 孚泽(成都)科技有限公司 | Ultrasonic knife amplitude testing method and device based on improved light spot method |
| CN114136429B (en) * | 2021-11-18 | 2023-10-10 | 孚泽(成都)科技有限公司 | Ultrasonic knife amplitude testing method and device based on improved light spot method |
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