CN111505262A - Blood quality detection method and blood quality detection device - Google Patents
Blood quality detection method and blood quality detection device Download PDFInfo
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- CN111505262A CN111505262A CN201910099601.5A CN201910099601A CN111505262A CN 111505262 A CN111505262 A CN 111505262A CN 201910099601 A CN201910099601 A CN 201910099601A CN 111505262 A CN111505262 A CN 111505262A
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- 239000008280 blood Substances 0.000 title claims abstract description 157
- 210000004369 blood Anatomy 0.000 title claims abstract description 155
- 238000001514 detection method Methods 0.000 title claims abstract description 55
- 230000000007 visual effect Effects 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims description 5
- 238000012372 quality testing Methods 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 3
- 238000013517 stratification Methods 0.000 claims 1
- 238000001228 spectrum Methods 0.000 description 20
- 230000003595 spectral effect Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 239000012503 blood component Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/52—Use of compounds or compositions for colorimetric, spectrophotometric or fluorometric investigation, e.g. use of reagent paper and including single- and multilayer analytical elements
Abstract
The invention discloses a blood quality detection method and a blood quality detection device, which utilize a visual identification sensor to obtain a layered interface image of blood, and then compare the image with a teaching model for analysis so as to judge whether the blood quality reaches the standard. If the standard is not met, an alarm is output, and manual intervention is needed. The intelligent automatic detection of blood quality is realized, the storage safety of blood is improved, the medical accident rate is reduced, and the intelligent automatic detection device is simple in structure and low in cost.
Description
Technical Field
The invention relates to the technical field of blood storage, in particular to a blood quality detection method and a blood quality detection device.
Background
Blood is usually stored in a blood bank and kept by a medical unit, a blood station, or a red cross for use when transfusion is required. Because the clinical demand for blood is uncertain, and the types of blood or blood components required are also different, the cryogenic refrigeration technology for prolonging the shelf life of blood and blood components is receiving more and more attention. At present, blood is stored mainly by means of a traditional refrigerator or a cold storage, a three-dimensional shelf is arranged in the refrigerator or the cold storage, a tray is horizontally placed on the three-dimensional shelf, and a blood bag is horizontally placed in the tray, so that the blood is stored. When the blood bag is taken, whether the blood quality meets the standard or not is manually detected, and then the blood bag is pushed to a blood taking place. The judgment of the blood quality completely depends on the personal experience of medical care personnel, and medical accidents are easily caused by misjudgment.
Disclosure of Invention
The invention provides a blood quality detection method and a blood quality detection device, which can realize intelligent automatic detection of blood quality, improve the storage safety of blood and reduce the medical accident rate.
The technical scheme provided by the invention is that the blood quality detection method is used for detecting the condition of the layered interface of blood in a blood bag, and comprises the following steps:
(1) a visual recognition sensor at one side of the blood bag acquires a layered interface image of blood in the blood bag and uploads the layered interface image data to an analysis module;
(2) and the analysis module compares the received layered interface image with the teaching model for analysis and judges whether the blood quality reaches the standard.
Further, the distance between the visual recognition sensor and the blood bag is 2-5 cm.
Further, the visual recognition sensor photographs 1/2 that the area of the blood bag can cover the blood bag.
The invention also provides a blood quality detection device, which comprises a detection box and a storage box for placing the blood bag, wherein one side of the detection box is provided with an opening, the storage box moves in/out the detection box from the opening, a visual recognition sensor is arranged on the side wall of the detection box, and the visual recognition sensor shoots the layered interface image of the blood in the blood bag.
Further, the storage box comprises a back plate and a box body arranged on the back plate, the box body is provided with an upper opening, the blood bag moves into/out of the box body from the upper opening, when the blood bag is arranged in the box body, the layering interface area of the blood in the blood bag extends out of the box body, and the visual identification sensor is positioned on one side far away from the back plate.
Furthermore, a second transparent area is further arranged on the back plate, the identification code on the blood bag is over against the second transparent area, and a code reader is arranged on the side wall of the detection box over against the second transparent area.
Further, the distance between the side of the cartridge and the storage case is 2-5 cm.
Furthermore, the detection box is arranged on the manipulator, the clamping part of the manipulator is arranged in the detection box, and the clamping part is used for clamping the storage box.
Compared with the prior art, the invention has the advantages and positive effects that:
the invention provides a blood quality detection method and a blood quality detection device, which utilize a visual identification sensor to obtain a layered interface image of blood, and then compare the image with a teaching model for analysis so as to judge whether the blood quality reaches the standard. If the standard is not met, an alarm is output, and manual intervention is needed. The intelligent automatic detection of blood quality is realized, the storage safety of blood is improved, the medical accident rate is reduced, and the intelligent automatic detection device is simple in structure and low in cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic perspective view of a storage case according to an embodiment of the present invention;
FIG. 2 is a first schematic view of a connection structure between a storage box and a storage bit according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a second connection structure between the first storage box and the storage bit according to the first embodiment of the present invention;
FIG. 4 is a schematic diagram of a connection structure between a storage box and a storage bit according to a second embodiment of the present invention;
FIG. 5 is a second schematic diagram of the connection structure between the storage box and the storage bit according to the second embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a blood quality detection device according to an embodiment of the present invention;
FIG. 7 is a front view of a blood quality testing device (spectral discrimination sensor) according to an embodiment of the present invention;
FIG. 8 is a top view of a blood quality testing device (spectral discrimination sensor) according to an embodiment of the present invention;
FIG. 9 is a front view of a blood quality detecting apparatus according to a second embodiment of the present invention (visual recognition sensor);
FIG. 10 is a top view of a blood quality testing device according to a second embodiment of the present invention (visual recognition sensor);
fig. 11 is a side view of a three blood quality test device (pressure sensor) according to an embodiment of the present invention.
122-mechanical arm, 1221-clamping part, 200-blood quality detection device, 210-detection box, 220-light source, 230-spectrum recognition sensor, 240-visual recognition sensor, 250-pressure sensor, 900-storage box, 910-backboard, 920-box, 930-first transparent area, 940-second transparent area and 001-blood bag.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the storage box 900 includes a back plate 910 and a box 920 disposed on the back plate 910, an opening is formed at an upper portion of the box 920, a blood bag 001 is moved into/out of the box 920 from the opening, and the back plate 910 is detachably interposed between an upper plate 1121 and a lower plate 1122. The back plate 910 is sequentially provided with a first transparent area 930 and a second transparent area 940 from top to bottom, and the first transparent area 930 functions that, when the blood quality detection device 200 adopts the spectral recognition sensor 230, the light source 220 can shine to the spectral recognition sensor 230 through the layered interface area of blood and through the first transparent area 930. The purpose of the second transparent area 940 is that the identification code on the blood bag 001 can be aligned with the second transparent area 940 when the blood bag 001 is placed in the storage box 900, so that the identification code is scanned by the identification means (e.g. a code reader) in the detection unit. The height of the back plate 910 is higher than that of the box 920, and when the blood bag 001 is placed in the box 920, the blood layered interface area in the blood bag 001 extends out of the box 920, so that the spectrum recognition sensor 230 in the blood quality detection apparatus 200 can obtain the blood layered interface spectrum, or the vision recognition sensor 240 can obtain the blood layered interface image.
The insertion structure between the back plate 910 and the upper plate 1121, lower plate 1122 has two implementation forms, which are:
first, referring to fig. 2 and 3, grooves 1123 are respectively formed on the upper plate 1121 and the lower plate 1122, and both ends of the back plate 910 are respectively inserted into the grooves 1123. Furthermore, two ends of the lower plate 1122 are respectively provided with a protrusion 1126 for plugging the end of the groove 1123 of the lower plate 1122. When the storage box 900 is inserted into the groove 1123, a gap is formed between the upper end of the back plate 910 and the upper plate 1121. When the manipulator 122 picks up the storage box 900 from the storage location 112 and moves out, the process is as follows: the robot 122 grips the magazine 900; the storage box 900 is lifted upwards and the lower end of the back plate 910 is removed from the recess 1123 of the lower plate 1122; the storage box 900 is slid out along the recess 1123 on the upper plate 1121. The protruding portion 1126 can prevent the storage box 900 from slipping off the storage bit 112, improving the device reliability. When the robot 122 places the storage cassette 900 into the storage location 112, the process of action is: the robot 122 grips the magazine 900; the storage box 900 is pushed by the manipulator 122, and the upper end of the back plate 910 slides inwards along the groove 1123 of the upper plate 1121; the storage box 900 is moved downward with the lower end of the back plate 910 inserted into the recess 1123 of the lower plate 1122.
Secondly, referring to fig. 4 and 5, the upper plate 1121 and the lower plate 1122 are respectively provided with a groove 1123, the groove 1123 of the lower plate 1122 is internally provided with a return spring 1124 and a ball 1125, the ball 1125 is arranged at one end of the return spring 1124, the lower end of the back plate 910 is provided with a recess (not shown) adapted to the ball 1125, and when the two ends of the back plate 910 are inserted into the grooves 1123, the ball 1125 is recessed in the recess. When the robot 122 moves out of and into the magazine 900 from the storage location 112, the robot 122 grips the magazine 900 and draws along the groove 1123 to slide the ball 1125 out of and into the recess, which is more convenient and quicker than the first embodiment, and eliminates the need to lift or move the magazine 900 up and down. In addition, the cooperation between the concave portion and the ball 1125 makes the storage box 900 more stable on the storage bit 112 and not easy to shake.
And a blood quality detection device 200 for detecting a layered interface condition of blood in the blood bag 001 and determining a blood quality from the layered interface condition of blood. And when the blood quality does not reach the standard, an alarm is given to remind human intervention.
The blood quality detection device 200 is configured as shown in fig. 6, and includes a detection box 210 with an opening on one side, a detection assembly and an analysis module arranged on the detection box 210, a clamping portion 1221 of a manipulator 122 is located inside the detection box 210, the clamping portion 1221 is used for clamping the storage box 900, the detection assembly is used for acquiring the layered interface condition of blood and sending the layered interface condition of blood to the analysis module, the analysis module includes a teaching model, and the analysis module analyzes and compares the received layered interface condition of blood with the teaching model and judges the quality of blood. The robot means that a robot 122 is provided in the refrigerator for storing blood to grasp the storage cassette 900 to move the storage cassette 900 into/out of the refrigerator. The blood quality measuring device 200 detects the blood quality in the different storage cassettes 900 by moving the hand 122 by mounting the detection cassette 210 on the hand 122.
The detection component has two forms, namely a spectrum identification sensor or a visual identification sensor.
First, the detection assembly adopts a spectrum recognition sensor, referring to fig. 7 and 8, a light source 220 and a spectrum recognition sensor 230 are respectively disposed on two opposite sidewalls of the detection box 210, the light source 220 is located at a side far away from the back plate 910, the spectrum recognition sensor 230 is located at a side close to the back plate 910 and directly faces the first transparent area 930, light emitted from the light source 220 penetrates through the layered interface area of the blood bag 001 and irradiates the spectrum recognition sensor 230 through the first transparent area 930, and the spectrum recognition sensor 230 acquires the layered interface spectrum of the blood. When the blood bag 001 is placed within the storage cassette 900, the layered interface region of the blood extends beyond the cassette 920 so that the spectral recognition sensor 230 successfully acquires the layered interface spectrum.
During detection, the light source 220 illuminates the layered interface region of the blood bag 001; the light emitted by the light source 220 penetrates through the layered interface region of the blood and irradiates the spectral recognition sensor 230 through the first transparent region 930, and the spectral recognition sensor 230 acquires the layered interface spectrum of the blood and uploads the layered interface spectrum data to the analysis module; and the analysis module compares the received layered interface spectrum with the teaching model for analysis and judges whether the blood quality reaches the standard.
In order to improve the spectrum quality of the layered interface, the distance between the light source 220 and the blood bag 001 and the distance between the spectrum recognition sensor 230 and the blood bag 001 are the same. Further, the distance between the two sidewalls of the detecting box 210 and the storing box 900 is 2-5cm, that is, the distance between the light source 220 and one side of the blood bag 001 and the distance between the spectrum recognition sensor 230 and the other side of the blood bag 001 are 2-5cm, respectively. The area of the spectrum recognition sensor 230 receiving the light source can cover 1/2 of the blood bag 001 to ensure that the layered interface spectrum can be recognized for blood bags 001 with different volumes and blood bags 001 placed at different angles within a certain range.
The cartridge 210 having only one side opened forms a relatively closed space, which can ensure the stability of the light source, and prevent recognition errors caused by position changes or external light source changes.
Secondly, the detection assembly adopts a visual recognition sensor, and referring to fig. 9 and 10, a visual recognition sensor 240 is arranged on a side wall of the detection box 210 far away from the back plate 910, and the visual recognition sensor 240 shoots a layered interface image of blood. When the blood bag 001 is placed within the storage cassette 900, the layered interface region of the blood extends beyond the cassette 920 so that the visual recognition sensor 240 successfully acquires the layered interface image.
During detection, the visual recognition sensor 240 on one side of the blood bag 001 shoots layered interface images and uploads the layered interface image data to the analysis module; and the analysis module compares the received layered interface image with the teaching model for analysis and judges whether the blood quality reaches the standard.
In order to improve the quality of the layered interface image, the distance between the two side walls of the cartridge 210 and the storage case 900 is 2-5cm, i.e., the distance between the visual recognition sensor 240 and one side of the blood bag 001 is 2-5 cm. The area of the blood bag shot by the visual recognition sensor 240 can cover 1/2 of the blood bag, so as to ensure that blood bags 001 with different volumes in a certain range and blood bags 001 placed at different angles can be shot by layered interface images.
The cartridge 210 having only one side opened forms a relatively closed space, which can ensure the stability of the light source and prevent an image photographing error caused by a position change or an external light source change.
The blood quality detection method may also use a pressure sensor in addition to the above-described spectrum recognition sensor and the above-described visual recognition sensor, and the principle of using a pressure sensor is that as the storage time of blood increases, the inside of blood is changed in quality, and the change in blood volume due to the quality change causes a change in pressure of the blood bag 001, and the blood quality is determined by detecting the change in pressure of the blood bag 001. Referring to fig. 11, pressure sensors 250 are respectively disposed on two side walls of the storage case 900, and when a blood bag 001 is placed in the storage case 900, the control unit controls the two pressure sensors 250 to be simultaneously activated to start detecting the pressure of the current blood bag 001; when the pressure sensor 250 detects that the pressure value is between 0 and 0.05Pa, the pressure sensor 250 uploads the current pressure value to the analysis module; in the storage process of blood, pressure sensor 250 detects the pressure of blood bag 001 in real time, and when the pressure value that pressure sensor 250 detected exceeded system's setting value, analysis module analyzed that blood quality did not reach standard this moment to send the analysis result to the control unit, the control unit sends the blood quality and reports to the police.
If the blood quality detection device 200 detects that the quality of the blood does not reach the standard, the analysis module sends an analysis result to the control unit, the control unit sends a blood quality alarm, and the output unit displays the information of the blood with the quality not reaching the standard and prompts a user to take out the blood with the quality not reaching the standard in time. If the blood with the quality not up to the standard can not be taken out in time, the control unit locks the blood with the quality not up to the standard and prohibits the blood from being taken out of the warehouse.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A blood quality detection method is used for detecting the condition of a layered interface of blood in a blood bag, and comprises the following steps:
(1) a visual recognition sensor at one side of the blood bag acquires a layered interface image of blood in the blood bag and uploads the layered interface image data to an analysis module;
(2) and the analysis module compares the received layered interface image with the teaching model for analysis and judges whether the blood quality reaches the standard.
2. The method of claim 1, wherein the distance between the visual recognition sensor and the blood bag is 2 to 5 cm.
3. The method of claim 2, wherein the visual recognition sensor photographs 1/2 that the area of the blood bag can cover the blood bag.
4. A blood quality detection device is characterized by comprising a detection box and a storage box for placing a blood bag, wherein one side of the detection box is provided with an opening, the storage box moves in/out the detection box from the opening, a visual recognition sensor is arranged on the side wall of the detection box, and the visual recognition sensor shoots a layered interface image of the blood in the blood bag.
5. The blood quality testing device of claim 4, wherein said storage case comprises a back plate and a case disposed on said back plate, said case having an upper opening, said blood bag being movable into and out of said case from said upper opening, a region of a stratification interface of blood in said blood bag extending beyond said case when said blood bag is disposed in said case, said visual recognition sensor being located on a side remote from said back plate.
6. The blood quality testing device of claim 5, wherein a second transparent area is further disposed on the back plate, the identification code on the blood bag faces the second transparent area, and a code reader is disposed on a side wall of the testing box facing the second transparent area.
7. The blood quality test device according to claim 6, wherein the distance between the side of the cartridge and the storage case is 2-5 cm.
8. The apparatus according to claim 7, wherein the cartridge is provided on a manipulator, and a holder of the manipulator is built in the cartridge, and the holder is configured to grip the cartridge.
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| CN201910099601.5A CN111505262B (en) | 2019-01-31 | 2019-01-31 | Blood quality detection method and blood quality detection device |
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Effective date of registration: 20200915 Address after: Room c2-301-304, science and Technology Park, Qingdao National University, No. 127, huizhiqiao Road, high tech Zone, Qingdao, Shandong Province Applicant after: Qingdao Haite biomedical Co.,Ltd. Applicant after: QINGDAO HAIER BIOMEDICAL Co.,Ltd. Address before: 266555 Haier Industrial Park, Qingdao Economic and Technological Development Zone, Shandong Province Applicant before: QINGDAO HAIER BIOMEDICAL Co.,Ltd. |
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