CN107421719A - A kind of endoscope performance device for fast detecting and its detection method - Google Patents
A kind of endoscope performance device for fast detecting and its detection method Download PDFInfo
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- CN107421719A CN107421719A CN201710348883.9A CN201710348883A CN107421719A CN 107421719 A CN107421719 A CN 107421719A CN 201710348883 A CN201710348883 A CN 201710348883A CN 107421719 A CN107421719 A CN 107421719A
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- 238000001514 detection method Methods 0.000 title claims abstract description 12
- 238000012360 testing method Methods 0.000 claims abstract description 63
- 238000000034 method Methods 0.000 claims description 16
- 238000003780 insertion Methods 0.000 claims description 12
- 230000037431 insertion Effects 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 7
- 239000006260 foam Substances 0.000 claims description 5
- 238000003491 array Methods 0.000 claims description 4
- 239000003086 colorant Substances 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 abstract description 6
- 238000010998 test method Methods 0.000 abstract description 4
- 239000004411 aluminium Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 2
- 238000002324 minimally invasive surgery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 244000144985 peep Species 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
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Abstract
The invention discloses a kind of endoscope performance device for fast detecting, it is related to endoscope apparatus, the present invention includes the lower cover and the be hinged casing formed in upper cover plate one end into confined space by inside, it is placed on upper cover plate and shows the display of endoscope institute scan image, it is placed in inside lower cover confined space and for the test card of endoscope scanning, is placed in standby test card, the pipe sleeve of lower cover upper surface inside grooves；The quick detection of the achievable endoscopic system performance of the present invention, including definition, brightness, color reducibility, distortion, the depth of field, the angle of visual field, signal to noise ratio etc..In addition, easy to carry, cost is relatively low.The pipe sleeve of a variety of different sizes is additionally provided, the hard tube and flexible-pipe endoscope of a variety of different sizes such as 4mm, 6mm can be adapted to.With reference to self-test method of determining and calculating, user can identify all kinds of parameters of current test video camera easily, and rational judgement is made to parameter current, or even additionally provide a variety of test cards, in the hope of accurate test endoscope performance.
Description
Technical field
The present invention relates to endoscope, more particularly to a kind of device for fast detecting of endoscope performance detection and its detection side
Method.
Background technology
In today of Medical Devices fast development, Minimally Invasive Surgery is increasingly popularized in surgical operation, and it is a kind of main
Make surgeon through endoscope and various imaging techniques without causing the hand implemented in the case of huge wound to patient
Art.
Endoscopic system is equipment important in Minimally Invasive Surgery, and a set of high-quality endoscopic system can be supplied to doctor outstanding
Visual sensory, help doctor be smoothly accurately finished various judgements and operation.
In current endoscopic system industry, the product quality of in the market is uneven, there is the endoscope system of some SDs
System, the banner for being turned on high definition are sold to purchaser, and general buyer is difficult clearly to distinguish.Some hospitals when product is bought,
Import brand is directly purchased, and have ignored performance and the configuration of product, high performance domestic endoscopic system, it is only necessary to same
Price is even lower.Consumer how is allowed to carry out test identification while purchase to the performance of endoscopic system, be
We will currently solve the problems, such as.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of endoscope performance device for fast detecting and its detection method,
Being intended to can be to major function such as definition, brightness, color reducibility, distortion, the depth of field, the angle of visual field, the noise of endoscopic system
Than etc. parameter detected.
In order to solve the above technical problems, the technical solution used in the present invention is：A kind of endoscope performance quick detection dress
Put, it is characterised in that including the lower cover and the be hinged casing formed in upper cover plate one end by inside into confined space, be placed in Shang Gai
On plate and the display of endoscope institute scan image is shown, is placed in inside lower cover confined space for the test of endoscope scanning
Card, it is placed in standby test card, the pipe sleeve of lower cover upper surface inside grooves；The lower cover side wall is provided with close for endoscope insertion
The through hole in space is closed, the pipe sleeve is used to be enclosed on endoscope insertion part to be adapted to through hole aperture.
Further technical scheme is, the upper cover plate includes upper cover plate frame, upper cover plate bonnet, embedded upper cover plate frame and
Display between upper cover plate bonnet；Cystosepiment is provided with around the display.
Further technical scheme is that the upper cover plate is additionally provided with display process plate, and the display process plate is put
Display rear portion is located between upper cover plate frame and upper cover plate bonnet and by metal backing.
Further technical scheme is that the upper cover plate is provided with data-interface in lower cover and upper cover plate hinged place one end
And power interface；The data-interface communicates for endoscope and display data.
Further technical scheme is that the metal backing installs pcb board；The pcb board includes driving plate and high pressure
Bar.
Further technical scheme is, by lower cover side wall, lower cover bonnet and cystosepiment inside the lower cover
Form confined space.
Further technical scheme is that bushing slot and standby test is made in the downward lid portion inside depression of cystosepiment
Neck.
Further technical scheme is that the cystosepiment opens up place and lower cover in lower cover and upper cover plate hinged place one end
Body sidewall coordinates the test card mounting groove of insertion test card.
Further technical scheme is that the other end activity of the other end and lower cover of the upper cover body is fixed, and
Handle is provided with herein.
Further technical scheme is that the through hole sequentially passes through lower cover body sidewall, cystosepiment.
Further technical scheme is also being, there is provided a kind of detection method of endoscope performance device for fast detecting,
Characterized in that, it comprises the following steps：
(1), endoscope to be measured and described endoscope performance device for fast detecting are attached, by endoscope insertion part
Hole is inserted through, test card is inserted into test card mounting groove；
(2) described endoscope device for detecting performance, is opened, is selected using endoscope in test card in testing image
The heart is that basic point carries out image scanning；
(3) horizontal, longitudinal value range of testing image, is determined in above-mentioned scanning process, and enters line in the range of
Bar scanning obtains testing image pixel number evidence；
(4), using a certain reference colours of pixel as boundary's point, pixel Data Data is handled：Stored more than boundary's point
For 0,1 is stored as less than boundary's point；
(5) all pixels point of all testing images is stored into 1/0 matrix and based on this to determine between lines
Boundary line：{ 1,0,1,0,1 ... ..., 0 }；
(6) original position of character under margin line, is found by the method for Y-axis-X-axis and started with wave above and below endoscope
Scanning obtains character pixels point data, then carries out the data processing of step (4)；Calculating character pixel number evidence is run into value is
1 point position and it is previous be 1 point between X-coordinate and Y-coordinate deviant, be stored among an array；
(7), after the completion of to be scanned, 2 arrays will be obtained simultaneously after data processing, it is determined that being wherein the character picture of 1 point
The number n of vegetarian refreshments, and X the and Y offsets of every two neighboring point in n points are determined, it is n-1 to determine array length；
(8), the array obtained according to scanning establishes the data structure code computing of tree initialization node, according to the knot of tree
Structure goes to the bottom and obtains relevant character, until image terminates scanning acquisition result showing that into display i.e. completion detects.
It is using beneficial effect caused by above-mentioned technical proposal：The quick of endoscopic system performance can be achieved in the present invention
Detection, including definition, brightness, color reducibility, distortion, the depth of field, the angle of visual field, signal to noise ratio etc..In addition, easy to carry, cost
It is relatively low.The pipe sleeve of a variety of different sizes is additionally provided, can be adapted in the hard tube and flexible pipe of a variety of different sizes such as 4mm, 6mm and peep
Mirror.With reference to self-test method of determining and calculating, user can identify all kinds of parameters of current test video camera easily, and conjunction is made to parameter current
The judgement of reason, or even a variety of test cards are additionally provided, in the hope of accurate test endoscope performance.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1-4 is schematic structural view of the invention；
Fig. 5 is ISO12233 reflectance charts；
Fig. 6-8 is embodiment algorithm principle figure；
1st, casing；2nd, display；3rd, cystosepiment；4th, test card installing port；5th, standby test card slot；6th, bushing slot；7th, cover
Pipe；8th, insertion section；9th, optical interface is illuminated；10th, endoscope；11st, display process plate；12nd, metal backing；13rd, lower cover side wall；
14th, test card assembly wall.
Embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still the present invention can be with
It is different from other manner described here using other to implement, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
As illustrated, disclosure sets forth a kind of endoscope performance device for fast detecting, it is characterised in that including by inside
Into the lower cover and the be hinged casing 1 formed in upper cover plate one end of confined space, it is placed on upper cover plate and shows that endoscope 10 is swept
The display 2 of tracing picture, is placed in the test card scanned inside lower cover confined space for endoscope 10, is placed in lower cover upper surface
The standby test card of inside grooves, pipe sleeve 7；The lower cover side wall is provided with the through hole that confined space is inserted for endoscope 10,
The pipe sleeve 7 is used to be enclosed on the insertion section of endoscope 10 to be adapted to through hole aperture.
Preferably, the upper cover plate includes upper cover plate frame, upper cover plate bonnet, between embedded upper cover plate frame and upper cover plate bonnet
Display 2；Cystosepiment 3 is provided with around the display 2.
Preferably, the upper cover plate is additionally provided with display process plate 11, and the display process plate 11 is placed in upper cover plate frame
The rear portion of display 2 is located between upper cover plate bonnet and by metal backing 12.
Preferably, the upper cover plate is provided with data-interface and power interface in lower cover and upper cover plate hinged place one end；
The data-interface is for endoscope and the data communication of display 2.
Preferably, the metal backing 12 installs pcb board；The pcb board includes driving plate and high-pressure section.
Preferably, confined space is formed by lower cover side wall, lower cover bonnet and cystosepiment 3 inside the lower cover.
Preferably, bushing slot 6 and standby test card slot 5 is made in 3 downward lid portion inside of the cystosepiment depression.
Preferably, the cystosepiment opens up place in lower cover and upper cover plate hinged place one end and inserted with the cooperation of lower cover body sidewall
The test card mounting groove (being made up of test card installing port 4 and test card assembly wall 14) of test card.
Preferably, the activity of the other end of the other end of the upper cover body and lower cover is fixed, and is provided with handle here.
Preferably, the through hole sequentially passes through lower cover body sidewall, cystosepiment 3.
Preferably, a kind of detection method of endoscope performance device for fast detecting is also illustrated, it is characterised in that it includes
Following steps：
(1), endoscope to be measured and described endoscope performance device for fast detecting are attached, by endoscope insertion part
Hole is inserted through, test card is inserted into test card mounting groove；
(2) described endoscope device for detecting performance, is opened, is selected using endoscope in test card in testing image
The heart is that basic point carries out image scanning；
(3) horizontal, longitudinal value range of testing image, is determined in above-mentioned scanning process, and enters line in the range of
Bar scanning obtains testing image pixel number evidence；
(4), using a certain reference colours of pixel as boundary's point, pixel Data Data is handled：Stored more than boundary's point
For 0,1 is stored as less than boundary's point；
(5) all pixels point of all testing images is stored into 1/0 matrix and based on this to determine between lines
Boundary line：{ 1,0,1,0,1 ... ..., 0 }；
(6) original position of character under margin line, is found by the method for Y-axis-X-axis and started with wave above and below endoscope
Scanning obtains character pixels point data, then carries out the data processing of step (4)；Calculating character pixel number evidence is run into value is
1 point position and it is previous be 1 point between X-coordinate and Y-coordinate deviant, be stored among an array；
(7), after the completion of to be scanned, 2 arrays will be obtained simultaneously after data processing, it is determined that being wherein the character picture of 1 point
The number n of vegetarian refreshments, and X the and Y offsets of every two neighboring point in n points are determined, it is n-1 to determine array length；
(8), the array obtained according to scanning establishes the data structure code computing of tree initialization node, according to the knot of tree
Structure goes to the bottom and obtains relevant character, until image terminates scanning acquisition result showing that into display i.e. completion detects.
In the present invention, the upper and lower cover plate monolithic case of the test device (upper and lower cover plate bonnet) is made up of, aluminium case aluminium case
On have handle and hinge, it is easy to carry, can open and lock at any time.It is upper cover plate and lower cover in box portion, upper cover plate
There is display screen (display), display screen is fixed on the clamping plate (upper cover plate framework) of the left and right sides, by Boards wall in aluminium case
On, display screen back is equipped with metal backing, and the pcb boards such as driving plate and the high-pressure section of display screen are provided with metal backing, display
The interface of screen is located at below upper lid, including power interface and signal input interface (data-interface).By EVA sponges around upper cover plate
(sponge plate) is filled, and display screen is embedded in into centre position, convenient viewing.Lower cover is mainly by eva foam (sponge plate) conduct
Structure is installed, and on eva foam, upside is test card mounting groove, and left and right is standby test card slot, can be incited somebody to action temporarily no
Standby test card is put into the groove of both sides.There are 3 bushing slots downside, and deploying endoscope sleeve pipe uses.
The mainly main object of placing of lower cover uses, as shown in figure 1, test card installing port is square notch, for putting
Put the test card for being currently needed for test.On both sides, standby test card slot, which has respectively, a notch, and placement is not tested temporarily
Test card.Bushing slot is kidney-shaped notch, shallower, is for deploying endoscope insertion section pipe sleeve.Other lower cover is inside it
In hollow pattern, confined space is formed, the through hole for being slightly less than 10mm is equipped with interposition, with bottom aluminium case face position
10mm through hole is consistent, and hole position is respectively positioned on the center of front test card, thus inserts endoscope insertion part through hole position
Enter, due to eva foam friction in itself and it is elastic the features such as, endoscope can be relatively fixed in eva foam in hole position, will not
Slide, meanwhile, the hole position of 200mm length also provides good supporting role for endoscope.
In use, test card (the being used herein as ISO12233 reflectance charts) picture signal collected by endoscope
It will be output on current display screen (display) and be shown by endoscopic system, can voluntarily judged according to current display user
With the quality of contrast endoscopic system imaging performance, definition, brightness, color reducibility, distortion, the depth of field, the angle of visual field, letter are completed
Make an uproar than etc. parameter self-checking.
The self-checking is to carry out automatic detection, auxiliary operation using self-test method of determining and calculating by display image processing module
Person completes currently to determine the parameter of parameter current image.
Algorithm principle is to scan target image by basic point of center first, by taking ISO12233 resolution charts as an example, really
The value range of vertical and horizontal is set, is scanned changing in value range, vertical and horizontal are required for carrying out line scan, and scanning is completed
Returning result afterwards.It is specific as follows：
There are two kinds of colors, i.e. white and black on picture.A fixed rule in the algorithm, using red as point, as long as picture
As long as red value in element value>=125 be exactly white point,<=125 be exactly stain, and this certain value is differentiated just for ISO12233
The image type of rate test card, perhaps color is different but principle is the same for other images.So our first steps are exactly basis
Oneself fixed rule all pixels point of image in the range of is stored among 1/0 matrix, and 1 represents that the point is not white, 0 table
Show blank space, " boundary line " after so having handled between lines just naturally occurs.Below figure, between each bar line at left,
Before line and line formed by the pixel of grey due to the lack of resolution of video camera, here according to above-mentioned rule, we
Black is defaulted as, black 1 starts effectively the number of cases of line of cut according to this, is ended with white 0, at left side, is all black, i.e., 1,
1,1 ... ..., 0 }, starting blank occur to right, this just forms " boundary line " i.e. described in us { 1,0,1,0,1 ... ..., 0 },
As shown in Figure 6.
Next it is exactly that character picture below " boundary " is appeared in capture range, each character is stored in one tree knot
On structure, the beginning using that pixel in the most upper left corner of character as character, the starting of character is found by the method for Y-axis-X-axis
Wave scanning up and down is begun to after position, as shown in Figure 7：
Until scanning to the value for having a permutation when 0 or matrix-scanning completion all to terminate, it is 1 that value is run into scanning process
Point when then calculate the position and it is previous be 1 point between X-coordinate and Y-coordinate deviant, be stored in one
Among array.After the completion of scanning, the result that we obtain is 2 arrays, it is assumed that the point that character pixels point is 1 has n, then array
Deposit be respectively in the n points per two neighboring point X and Y offsets, array length n-1.
Establish the data structure code of the tree initialization node：
struct roPath
{
int offsetX；//x-axis offset
int offsetY；//y-axis offset
int childNum；// child node quantity
char num；// complete search offspring literary name symbol
int isFinish；// whether complete to search for
struct roPath*child；// child node
struct roPath*next；// the brotgher of node
struct roPath*lastChild；// last child node
}；
The Scan Architecture of tree is as shown in Figure 8.
Continue this operation, until meeting condition position.Going to the bottom all over can find out this character according to the structure of tree is
What, then proceedes to scan backward, finds the starting point of character late, continue cycling through operation, until image terminates.From the graph
It can be seen that path scanning result is numeral 8 with character contrast in database.Shown after the end of scan on automatic display：Take the photograph
Camera resolution ratio is 800TVL.
Similarly, distortion, the depth of field, the angle of visual field can also identify that the lines of image move towards according to above-mentioned scanning algorithm, thus certainly
It is dynamic to identify parameter values.For parameters such as brightness, color reducibility, signal to noise ratio, program directly can join from display image
Display is directly transferred in number.
This equipment additionally provides the pipe sleeve of a variety of different sizes, can be adapted to the hard tube of a variety of different sizes such as 4mm, 6mm
And flexible-pipe endoscope.With reference to self-test method of determining and calculating, user can identify all kinds of parameters of current test video camera easily, and to current
Parameter makes rational judgement.
Claims (10)
- A kind of 1. endoscope performance device for fast detecting, it is characterised in that including by inside into confined space lower cover with it is upper The be hinged casing formed in cover plate one end, it is placed on upper cover plate and shows the display of endoscope institute scan image, be placed in lower cover The test card scanned inside confined space for endoscope, it is placed in standby test card, the pipe sleeve of lower cover upper surface inside grooves；Institute State lower cover side wall and be provided with the through hole that confined space is inserted for endoscope, the pipe sleeve is used to be enclosed on endoscope insertion part with suitable With through hole aperture.
- 2. a kind of endoscope performance device for fast detecting according to claim 1, it is characterised in that the upper cover plate includes Upper cover plate frame, upper cover plate bonnet, the display between embedded upper cover plate frame and upper cover plate bonnet；It is provided with around the display Cystosepiment.
- 3. a kind of endoscope performance device for fast detecting according to claim 1, it is characterised in that the upper cover plate is also set There is display process plate, the display process plate is placed between upper cover plate frame and upper cover plate bonnet and is located at by metal backing Display rear portion.
- A kind of 4. endoscope performance device for fast detecting according to claim 1 or 3, it is characterised in that the upper cover plate Data-interface and power interface are provided with lower cover and upper cover plate hinged place one end；The data-interface is for endoscope and display Device data communication.
- A kind of 5. endoscope performance device for fast detecting according to claim 3, it is characterised in that the metal backing peace Fill pcb board；The pcb board includes driving plate and high-pressure section.
- 6. a kind of endoscope performance device for fast detecting according to claim 3, it is characterised in that inside the lower cover Confined space is formed by lower cover side wall, lower cover bonnet and cystosepiment.
- 7. a kind of endoscope performance device for fast detecting according to claim 6, it is characterised in that the cystosepiment is downward Bushing slot and standby test card slot is made in lid portion inside depression.
- 8. a kind of endoscope performance device for fast detecting according to claim 6, it is characterised in that the cystosepiment is under Cover plate opens up place and the test card mounting groove of lower cover body sidewall cooperation insertion test card with upper cover plate hinged place one end.
- A kind of 9. endoscope performance device for fast detecting according to claim 6, it is characterised in that the upper cover body it is another The activity of the other end of one end and lower cover is fixed, and is provided with handle here；The through hole sequentially passes through lower cover body sidewall, bubble Foam plate.
- A kind of 10. detection method of endoscope performance device for fast detecting according to claim 1, it is characterised in that its Comprise the following steps：(1), endoscope to be measured and described endoscope performance device for fast detecting are attached, endoscope insertion part is inserted Through hole, test card is inserted into test card mounting groove；(2), open described endoscope device for detecting performance, selected using endoscope in test card the center of testing image for Basic point carries out image scanning；(3) horizontal, longitudinal value range of testing image, is determined in above-mentioned scanning process, and carries out lines in the range of and sweeps Retouch and obtain testing image pixel number evidence；(4), using a certain reference colours of pixel as boundary's point, pixel Data Data is handled：0 is stored as more than boundary's point, 1 is stored as less than boundary's point；(5) and based on this all pixels point of all testing images is stored into 1/0 matrix to determine the boundary between lines Line：{ 1,0,1,0,1 ... ..., 0 }；(6) original position of character under margin line, is found by the method for Y-axis-X-axis and starts to be scanned with wave above and below endoscope Character pixels point data is obtained, then carries out the data processing of step (4)；It is 1 that calculating character pixel number evidence is run into value Point position and it is previous be 1 point between X-coordinate and Y-coordinate deviant, be stored among an array；(7), after the completion of to be scanned, 2 arrays will be obtained simultaneously after data processing, it is determined that being wherein the character pixels point of 1 point Number n, and determine X the and Y offsets of every two neighboring point in n points, it is n-1 to determine array length；(8), the array obtained according to scanning establishes the data structure code computing of tree initialization node, is walked according to the structure of tree Relevant character is obtained to the bottom, until image terminates scanning acquisition result showing that into display i.e. completion detects.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109106320A (en) * | 2018-08-08 | 2019-01-01 | 江苏华亘泰来生物科技有限公司 | A kind of capsule endoscope field angle detection fixture |
| WO2020143331A1 (en) * | 2019-01-10 | 2020-07-16 | 苏州智华汽车电子有限公司 | Test system for high-precision and fully automatic drive recorder |
| CN113405781A (en) * | 2021-07-23 | 2021-09-17 | 思脉得(嘉兴)医疗科技有限公司 | Multifunctional endoscope detection equipment |
| CN114390276A (en) * | 2022-03-23 | 2022-04-22 | 广东欧谱曼迪科技有限公司 | Automatic testing method and system |
| WO2023093693A1 (en) * | 2021-11-23 | 2023-06-01 | 上海微觅医疗器械有限公司 | Medical tool inspection method and system, computer device, and storage medium |
| CN116258700A (en) * | 2023-02-28 | 2023-06-13 | 南京索图科技有限公司 | Method for detecting freezing state of endoscope |
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Application publication date: 20171201 |