CN110013574A - Drainage liquid amount real-time monitoring method - Google Patents
Drainage liquid amount real-time monitoring method Download PDFInfo
- Publication number
- CN110013574A CN110013574A CN201910387572.2A CN201910387572A CN110013574A CN 110013574 A CN110013574 A CN 110013574A CN 201910387572 A CN201910387572 A CN 201910387572A CN 110013574 A CN110013574 A CN 110013574A
- Authority
- CN
- China
- Prior art keywords
- drainage
- image
- container
- fluid liquid
- liquid level
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A61M1/0001—
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/73—Suction drainage systems comprising sensors or indicators for physical values
- A61M1/734—Visual indicating means for flow
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/28—Quantising the image, e.g. histogram thresholding for discrimination between background and foreground patterns
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/58—Means for facilitating use, e.g. by people with impaired vision
- A61M2205/583—Means for facilitating use, e.g. by people with impaired vision by visual feedback
Abstract
A drainage liquid amount real-time monitoring method relates to the technical field of clinical medicine and solves the technical problem of improving nursing efficiency. The method adopts a cylindrical transparent bottle body printed with volume scales as a drainage container; utilize the camera to shoot the image of drainage container during clinical drainage to make the camera just to the volume scale of drainage container at the shooting in-process, and according to the drainage container image of shooing, discern the drainage liquid measure in the drainage container. The method provided by the invention is suitable for drainage operation of hospital surgery.
Description
Technical field
The present invention relates to clinical medicine technologies, more particularly to a kind of technology of drainage-fluid liquid measure method of real-time.
Background technique
The common drainage device of Hospitals at Present surgery is mainly disposable drainage bag, according to the scale on drainage bag when use
Labelled amount estimates liquid measure, and the error rate of discreet value and target liquid measure is 90% or more, it is therefore desirable to which drainage-fluid is transferred to measuring cup
Or graduated cylinder carries out double measurement, this liquid capacity metering mode exists as following drawbacks:
1) measurement of liquid measure is all pure manual operations, record, uploads, and is affected by human factor, it may appear that error of omission, mistake
The problems such as note, delay note, real-time and reliability are all poor.
2) the daily action of nurse is complicated, and according to each 50 people of lesion, everyone time of measuring 1.5 minutes needs to occupy 1
Time hour, hand dipping record occupy plenty of time energy, influence the efficiency of nursery work.
3) bacterial cross-infection is easy to appear when drainage-fluid is transferred to measuring cup or graduated cylinder, arbitrarily toppling over waste liquid also can be to environment
It pollutes.
Summary of the invention
For above-mentioned defect existing in the prior art, can be improved technical problem to be solved by the invention is to provide a kind of
Nursing efficiency avoids the drainage-fluid liquid measure method of real-time of cross-infection.
In order to solve the above-mentioned technical problem, a kind of drainage-fluid liquid measure method of real-time provided by the present invention, feature
It is: uses the cylindricality transparent vial body for being printed with volume scale as drainage container；Drawn when clinic drainage using camera shooting
The image of stream container, and make the volume scale of camera face drainage container in shooting process, and according to captured drainage
Container image identifies the drainage-fluid liquid measure in drainage container；
The step of according to drainage container image recognition drainage-fluid liquid measure, is as follows:
1) original image of drainage container is converted into gray level image；
2) binary conversion treatment is implemented to the gray level image of drainage container, obtains the binary image of drainage container；
3) a liquid level demarcation threshold is defined, is calculated in drainage container binary image, the row gray value of each pixel column, row
Gray value refers to the sum of the gray value of same one-row pixels；
If the difference of the row gray value of two neighbouring pixel columns is greater than liquid level demarcation threshold, by two pixel columns
In, the pixel column positioned at downside is defined as drainage-fluid liquid level line；
4) according to drainage-fluid liquid level line computation drainage-fluid liquid measure；
Digital template figure, after identifying drainage-fluid liquid level line, root is made in the number on the volume scale of drainage container in advance
According to digital template figure, the number nearest away from drainage-fluid liquid level line is identified from the original image of drainage container, further according to knowledge
Not Chu number and the positional relationship of drainage-fluid liquid level line, and the spacing between the number identified and drainage-fluid liquid level line, meter
Calculate the volume scale value of drainage-fluid.
Drainage-fluid liquid measure method of real-time provided by the invention is passed through using cylindricality transparent vial body as drainage container
Image recognition mode identifies drainage-fluid liquid level line, and then calculates drainage-fluid liquid measure, opposite manual record, monitoring mode,
Nursing efficiency can be greatly improved, and without transfer drainage-fluid, avoids cross-infection.
Detailed description of the invention
Fig. 1 is the monitoring schematic diagram of the drainage-fluid liquid measure method of real-time of the embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described in further detail below in conjunction with Detailed description of the invention, but the present embodiment is not used to limit
The system present invention, all that protection scope of the present invention should all be included in using similar structure and its similar variation of the invention, present invention
In pause mark indicate the relationship of sum, the English alphabet in the present invention is case sensitive.
As shown in Figure 1, a kind of drainage-fluid liquid measure method of real-time provided by the embodiment of the present invention, it is characterised in that:
Using being printed with the cylindricality transparent vial body of volume scale 3 as drainage container 2；The shooting drainage of camera 1 is utilized when clinic drainage
The image of container 2, and make the volume scale 3 of 1 face drainage container 2 of camera in shooting process, and draw according to captured
Stream container image identifies the drainage-fluid liquid measure in drainage container；
The step of according to drainage container image recognition drainage-fluid liquid measure, is as follows:
1) original image of drainage container is converted into gray level image, the original image of drainage container refers to be shot using camera
Drainage container image, by original image be converted to gray level image method be the prior art；
2) binary conversion treatment is implemented to the gray level image of drainage container, obtains the binary image of drainage container；
Binary processing method is implemented for the prior art to image, in the binary image obtained after binary conversion treatment, each
It is possible that there are two types of the gray values of pixel, for example the value of binaryzation parameter value is 200, using the binaryzation parameter value to gray scale
The mode of image implementation binary conversion treatment are as follows: by gray level image, the gray value of pixel of all gray values more than or equal to 200 changes
At 255, the gray value of pixel of all gray values less than 200 is changed to 0, so that the image after binary conversion treatment only has two kinds of black and white
Color；
Since the physical characteristic color of drainage-fluid is usually colored liquid (dark brown, yellow green etc.), the binaryzation of drainage container
In image, the liquid level boundary line of drainage-fluid is apparent；
3) a liquid level demarcation threshold is defined, is calculated in drainage container binary image, the row gray value of each pixel column, row
Gray value refers to the sum of the gray value of same one-row pixels；
If the difference of the row gray value of two neighbouring pixel columns is greater than liquid level demarcation threshold, by two pixel columns
In, the pixel column positioned at downside is defined as drainage-fluid liquid level line；
4) according to drainage-fluid liquid level line computation drainage-fluid liquid measure；
Digital template figure, after identifying drainage-fluid liquid level line, root is made in the number on the volume scale of drainage container in advance
According to digital template figure, the number nearest away from drainage-fluid liquid level line is identified from the original image of drainage container, further according to knowledge
Not Chu number and the positional relationship of drainage-fluid liquid level line (number identified may be on the upside of drainage-fluid liquid level line, can also be with
On the downside of drainage-fluid liquid level line), and the spacing between the number identified and drainage-fluid liquid level line, calculate the volume of drainage-fluid
Scale value；
It is the prior art according to the method that digital template figure identifies number from original image, the present embodiment is using background
Null method；
After the volume scale value for calculating drainage-fluid, calculated value can be uploaded onto the server storage, form database, Yi Shengke
Using terminal, by network access service, obtain the drainage-fluid liquid level data of patient, it can be achieved that more personal datas monitoring.
Claims (1)
1. a kind of drainage-fluid liquid measure method of real-time, it is characterised in that: using the cylindricality transparent vial body for being printed with volume scale
As drainage container；Using the image of camera shooting drainage container when clinic drainage, and make camera in shooting process just
To the volume scale of drainage container, and according to captured drainage container image, the drainage-fluid liquid measure in drainage container is identified；
The step of according to drainage container image recognition drainage-fluid liquid measure, is as follows:
1) original image of drainage container is converted into gray level image；
2) binary conversion treatment is implemented to the gray level image of drainage container, obtains the binary image of drainage container；
3) a liquid level demarcation threshold is defined, is calculated in drainage container binary image, the row gray value of each pixel column, row
Gray value refers to the sum of the gray value of same one-row pixels；
If the difference of the row gray value of two neighbouring pixel columns is greater than liquid level demarcation threshold, by two pixel columns
In, the pixel column positioned at downside is defined as drainage-fluid liquid level line；
4) according to drainage-fluid liquid level line computation drainage-fluid liquid measure；
Digital template figure, after identifying drainage-fluid liquid level line, root is made in the number on the volume scale of drainage container in advance
According to digital template figure, the number nearest away from drainage-fluid liquid level line is identified from the original image of drainage container, further according to knowledge
Not Chu number and the positional relationship of drainage-fluid liquid level line, and the spacing between the number identified and drainage-fluid liquid level line, meter
Calculate the volume scale value of drainage-fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910387572.2A CN110013574A (en) | 2019-05-10 | 2019-05-10 | Drainage liquid amount real-time monitoring method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910387572.2A CN110013574A (en) | 2019-05-10 | 2019-05-10 | Drainage liquid amount real-time monitoring method |
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| CN110013574A true CN110013574A (en) | 2019-07-16 |
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| CN201910387572.2A Pending CN110013574A (en) | 2019-05-10 | 2019-05-10 | Drainage liquid amount real-time monitoring method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114053489A (en) * | 2020-07-31 | 2022-02-18 | 西伯股份有限公司 | Drainage bag management system and drainage bag thereof |
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| CN109498857A (en) * | 2018-12-29 | 2019-03-22 | 刘铁楠 | A kind of drainage monitoring system and method based on image recognition |
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2019
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060178578A1 (en) * | 2005-02-10 | 2006-08-10 | Dennis Tribble | Vision system to calculate a fluid volume in a container |
| CN201688888U (en) * | 2010-05-14 | 2010-12-29 | 山东大学 | Liquid level detecting device after filling beverage |
| CN103179995A (en) * | 2010-07-15 | 2013-06-26 | 陶锴 | Iv monitoring by video and image processing |
| CN101884575A (en) * | 2010-07-23 | 2010-11-17 | 惠州市华阳多媒体电子有限公司 | Negative pressure wound treating system capable of detecting liquid volume in liquid collecting bottle |
| CN104662559A (en) * | 2012-05-14 | 2015-05-27 | 高斯外科公司 | System and method for estimating a quantity of a blood component in a fluid canister |
| CN104324443A (en) * | 2014-11-07 | 2015-02-04 | 昆山韦睿医疗科技有限公司 | Method and device for detecting liquid level as well as negative-pressure wound therapeutic equipment |
| CN105865570A (en) * | 2016-06-15 | 2016-08-17 | 天津大学 | Machine vision-based glass bottle liquid level detection method |
| CN108830824A (en) * | 2018-04-16 | 2018-11-16 | 中北大学 | Transfusion liquid facial vision detects alarm system and its detection method |
| CN108985274A (en) * | 2018-08-20 | 2018-12-11 | 上海磐波智能科技有限公司 | Water surface method for recognizing impurities |
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| CN114053489A (en) * | 2020-07-31 | 2022-02-18 | 西伯股份有限公司 | Drainage bag management system and drainage bag thereof |
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Application publication date: 20190716 |