CN111505262B - 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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- CN111505262B CN111505262B CN201910099601.5A CN201910099601A CN111505262B CN 111505262 B CN111505262 B CN 111505262B CN 201910099601 A CN201910099601 A CN 201910099601A CN 111505262 B CN111505262 B CN 111505262B
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- 239000008280 blood Substances 0.000 title claims abstract description 163
- 210000004369 blood Anatomy 0.000 title claims abstract description 160
- 238000001514 detection method Methods 0.000 title claims abstract description 54
- 230000000007 visual effect Effects 0.000 claims abstract description 26
- 230000008859 change Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 238000012372 quality testing Methods 0.000 claims description 4
- 230000032798 delamination Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims 3
- 238000001228 spectrum Methods 0.000 description 23
- 238000010586 diagram Methods 0.000 description 5
- 230000003595 spectral effect Effects 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 3
- 239000012503 blood component Substances 0.000 description 2
- 239000000306 component Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000007689 inspection Methods 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
- 230000008569 process Effects 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
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- External Artificial Organs (AREA)
Abstract
The invention discloses a blood quality detection method and a blood quality detection device, wherein a visual recognition sensor is utilized to acquire a layered interface image of blood, and then the layered interface image is compared with a teaching model for analysis so as to judge whether the blood quality reaches the standard. If the standard is not reached, an alarm is output, and human intervention is needed. Realize the intelligent automated detection of blood quality, improve the storage security of blood, reduce the medical accident rate to simple structure, with low costs.
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 typically stored in a blood bank, kept by a medical unit, blood station, or red cross, for use when transfusion is required. Because of the clinical uncertainty in the amount of blood required, the type of blood or blood component that is required varies, cryogenic refrigeration techniques that extend the shelf life of blood and blood components have received increasing attention. At present, the storage of blood mainly depends on a traditional refrigerator or a refrigeration house, a three-dimensional goods shelf is arranged in the refrigerator or the refrigeration house, a tray is horizontally arranged on the three-dimensional goods shelf, and a blood bag is horizontally arranged in the tray, so that the storage of blood is realized. When taking the blood bag, the blood quality is manually checked whether the blood quality meets the standard or not, and then the blood bag is pushed to a blood application place. The judgment of the blood quality completely depends on the personal experience of medical staff, 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 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 layering interface condition of blood in a blood bag and comprises the following steps:
(1) The 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 the analysis module;
(2) And the analysis module compares the received layered interface image with the teaching model to analyze and judge whether the blood quality reaches the standard.
Further, the distance between the visual recognition sensor and the blood bag is 2-5cm.
Further, the area of the blood bag photographed by the visual recognition sensor can cover 1/2 of 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 into/out of the detection box from the opening, a visual identification sensor is arranged on the side wall of the detection box, and the visual identification sensor shoots a layered interface image of 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 in/out of the box body from the upper opening, when the blood bag is arranged in the box body, a layering interface area of blood in the blood bag extends outwards from the box body, and the visual identification sensor is positioned on one side far away from the back plate.
Further, a second transparent area is further arranged on the back plate, the identification code on the blood bag is opposite to the second transparent area, and a code reader is arranged on the side wall of the detection box opposite to the second transparent area.
Further, the distance between the side of the detection box and the storage box is 2-5cm.
Further, 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, wherein a visual recognition sensor is utilized to acquire a layered interface image of blood, and then the layered interface image is compared with a teaching model for analysis so as to judge whether the blood quality reaches the standard. If the standard is not reached, an alarm is output, and human intervention is needed. Realize the intelligent automated detection of blood quality, improve the storage security of blood, reduce the medical accident rate to simple structure, with low costs.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic perspective view of a storage case according to an embodiment of the present invention;
FIG. 2 is a schematic diagram showing a connection structure between a first memory cartridge and a memory bit according to an embodiment of the present invention;
FIG. 3 is a schematic diagram showing a connection structure between a first memory cartridge and a memory bit according to an embodiment of the present invention;
FIG. 4 is a schematic diagram showing a connection structure between a second memory cartridge and a memory bit according to an embodiment of the present invention;
FIG. 5 is a schematic diagram showing a connection structure between a second memory cartridge and a memory bit according to a second embodiment of the present invention;
FIG. 6 is a schematic view showing a structure of a blood quality detecting apparatus according to an embodiment of the present invention;
FIG. 7 is a front view of a blood quality testing device (spectrum identification sensor) according to an embodiment of the present invention;
FIG. 8 is a top view of a blood quality testing device (spectral identification sensor) according to an embodiment of the present invention;
FIG. 9 is a front view (visual recognition sensor) of a blood quality measuring device according to a second embodiment of the present invention;
FIG. 10 is a top view (visual recognition sensor) of a blood quality measuring device according to a second embodiment of the present invention;
fig. 11 is a side view (pressure sensor) of a three-blood quality inspection device according to an embodiment of the present invention.
Wherein 122-manipulator, 1221-clamping part, 200-blood quality detection device, 210-detection box, 220-light source, 230-spectrum identification sensor, 240-visual identification sensor, 250-pressure sensor, 900-storage box, 910-backplate, 920-box body, 930-first transparent region, 940-second transparent region, 001-blood bag.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, a schematic structure of the storage case 900 includes a back plate 910 and a case 920 provided on the back plate 910, an opening is formed at an upper portion of the case 920, and a blood bag 001 is moved into/out of the case 920 through the opening, and the back plate 910 is detachably inserted 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 function of the first transparent area 930 is that, when the blood quality detection device 200 adopts the spectrum identification sensor 230, the light source 220 can penetrate through the layered interface area of the blood and irradiate the spectrum identification sensor 230 through the first transparent area 930. The second transparent area 940 is used to allow the identification code on the blood bag 001 to face the second transparent area 940 when the blood bag 001 is placed in the storage box 900, so that the identification code can be scanned by the identification means (e.g., a code reader) in the detecting unit. The back plate 910 has a height higher than that of the case 920, and when the blood bag 001 is placed in the case 920, the blood layered interface region in the blood bag 001 extends outside the case 920, so that the spectrum recognition sensor 230 in the blood quality detection apparatus 200 can conveniently acquire the blood layered interface spectrum, or the visual recognition sensor 240 can acquire the blood layered interface image.
The plugging structure between the back plate 910 and the upper plate 1121 and the lower plate 1122 has two implementation forms, respectively:
first, referring to fig. 2 and 3, grooves 1123 are formed in the upper plate 1121 and the lower plate 1122, respectively, and both ends of the back plate 910 are inserted into the grooves 1123, respectively. Further, protruding portions 1126 are provided at both ends of the lower plate 1122, respectively, to seal the ends of the grooves 1123 of the lower plate 1122. When the storage case 900 is inserted into the recess 1123, there is a certain gap between the upper end of the back plate 910 and the upper plate 1121. When the manipulator 122 clips the storage box 900 from the storage position 112 and moves out, the following actions are performed: the robot 122 grips the storage case 900; the storage case 900 is lifted upward and the lower end of the back plate 910 is removed from the recess 1123 in the lower plate 1122; the cartridge 900 is slid out along the recess 1123 on the upper plate 1121. The protrusion 1126 can prevent the cartridge 900 from slipping off the storage location 112, improving device reliability. When the manipulator 122 places the storage box 900 on the storage position 112, the following actions are performed: the robot 122 grips the storage case 900; the storage box 900 slides inward along the groove 1123 of the upper plate 1121 at the upper end of the back plate 910 under the pushing of the robot 122; the storage case 900 is moved downward with the lower end of the back plate 910 inserted into the recess 1123 in the lower plate 1122.
Second, referring to fig. 4 and 5, grooves 1123 are formed in the upper plate 1121 and the lower plate 1122, return springs 1124 and balls 1125 are provided in the grooves 1123 of the lower plate 1122, the balls 1125 are provided at one ends of the return springs 1124, recesses (not shown) are provided at the lower end of the back plate 910 to be fitted with the balls 1125, and when both ends of the back plate 910 are inserted into the grooves 1123, the balls 1125 are caught in the recesses. When the manipulator 122 moves out of and into the storage box 900 from the storage position 112, the manipulator 122 clamps the storage box 900 and pulls along the groove 1123 to enable the balls 1125 to slide out of and into the concave portion, and compared with the first mode, the second mode is more convenient and quick to operate, and the upward lifting or downward moving of the storage box 900 is omitted. Moreover, the cooperation between the concave portion and the balls 1125 makes the storage box 900 more stable on the storage position 112, and is not easy to shake.
A blood quality detection device 200 for detecting the delamination interface condition of the blood in the blood bag 001 and judging the blood quality based on the delamination interface condition of the blood. And when the blood quality does not reach the standard, an alarm is sent out to remind the human intervention.
Referring to fig. 6, a schematic structural diagram of a blood quality detection device 200 includes a detection box 210 with an opening at one side, a detection assembly disposed on the detection box 210, and an analysis module, wherein a clamping portion 1221 of a manipulator 122 is disposed inside the detection box 210, the clamping portion 1221 is used for clamping a storage box 900, the detection assembly is used for acquiring a layered interface condition of blood and transmitting the layered interface condition of blood to the analysis module, the analysis module includes a teaching model, and the analysis module performs analysis and comparison between the received layered interface condition of blood and the teaching model and determines the quality of blood. The robot means that a robot 122 is provided in the refrigerator for storing blood, for gripping the storage box 900 to move the storage box 900 in/out of the refrigerator. The detection cartridge 210 is provided on the manipulator 122, and the blood quality detection device 200 detects the blood quality in the different cartridges 900 by the movement of the manipulator 122.
The detection component has two forms, namely a spectrum recognition sensor or a visual recognition sensor.
First, the detection assembly employs a spectrum recognition sensor, referring to fig. 7 and 8, two opposite sidewalls of the detection box 210 are respectively provided with a light source 220 and a spectrum recognition sensor 230, 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 is opposite to the first transparent region 930, the light emitted from the light source 220 passes through the layered interface region of the blood bag 001 and irradiates to the spectrum recognition sensor 230 through the first transparent region 930, and the spectrum recognition sensor 230 acquires the layered interface spectrum of blood. When the blood bag 001 is placed in the storage case 900, the layered interface region of the blood extends outside the case 920 so that the spectrum recognition sensor 230 successfully acquires the layered interface spectrum.
Upon detection, the light source 220 illuminates the layered interface region of the blood bag 001; the light emitted by the light source 220 passes through the layered interface region of the blood, irradiates the spectrum recognition sensor 230 through the first transparent region 930, and the spectrum 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 to analyze and judge whether the blood quality reaches the standard.
To improve the layered interface spectral quality, the distance between the light source 220 and the blood bag 001, the distance between the spectral identification sensor 230 and the blood bag 001 are the same. Further, the distance between the two sidewalls of the cartridge 210 and the storage case 900 is 2-5cm, i.e., the distance between the light source 220 and one side of the blood bag 001, and the distance between the spectral recognition sensor 230 and the other side of the blood bag 001 is 2-5cm, respectively. The area of the spectrum recognition sensor 230 that receives the light source can cover 1/2 of the blood bag 001 to ensure that a range of different volumes of blood bag 001 and different angles of blood bag 001 can be recognized as a layered interface spectrum.
The cartridge 210 having only one side open forms a relatively closed space, which can ensure the stability of the light source, and avoid recognition errors due to position changes or external light source changes.
Second, the detecting unit employs a visual recognition sensor, and referring to fig. 9 and 10, a visual recognition sensor 240 is disposed on a side wall of the detecting box 210 remote from the back plate 910, and the visual recognition sensor 240 captures a layered interface image of blood. When the blood bag 001 is placed in the storage case 900, the layered interface region of the blood extends beyond the case 920 so that the visual recognition sensor 240 successfully acquires the layered interface image.
During detection, the visual recognition sensor 240 at the blood bag 001 side shoots a layered interface image and uploads the layered interface image data to an analysis module; and the analysis module compares the received layered interface image with the teaching model to analyze and judge whether the blood quality reaches the standard.
To improve the layered interface image quality, the distance between the two sidewalls of the cartridge 210 and the cartridge 900 is 2-5cm, respectively, i.e., the distance between the visual recognition sensor 240 and the side of the blood bag 001 is 2-5cm. The area of the visual recognition sensor 240 for photographing the blood bag can cover 1/2 of the blood bag to ensure that the blood bags 001 of different capacities and the blood bags 001 placed at different angles within a certain range can be photographed to the layered interface image.
The cartridge 210 having only one side open forms a relatively closed space, which can ensure the stability of the light source, and avoid image photographing errors due to position changes or external light source changes.
In addition to the above-described spectrum recognition sensor and visual recognition sensor, the blood quality detection method may employ a pressure sensor, and the principle of employing the pressure sensor is that, as the blood storage time increases, a change in quality occurs in the blood, and the change in volume of the blood is caused by the change in quality, thereby causing 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 provided on both sidewalls of the storage case 900, respectively, and when the blood bag 001 is placed in the storage case 900, the control unit controls both pressure sensors 250 to be simultaneously activated, and starts to detect the pressure of the current blood bag 001; when the pressure sensor 250 detects that the pressure value is between 0 Pa and 0.05Pa, the pressure sensor 250 uploads the current pressure value to the analysis module; in the blood storage process, the pressure sensor 250 detects the pressure of the blood bag 001 in real time, when the pressure value detected by the pressure sensor 250 exceeds a system set value, the analysis module analyzes that the blood quality does not reach the standard at the moment, and sends the analysis result to the control unit, and the control unit sends out a blood quality alarm.
If the blood quality detection device 200 detects that the blood quality is not up to standard, the analysis module sends the analysis result to the control unit, the control unit sends out a blood quality alarm, and the output unit displays the information of the blood with the quality not up to standard, so that the user is prompted to take out the blood with the quality not up to standard in time. If the blood with the quality not up to standard cannot be taken out in time, the control unit can lock the blood with the quality not up to standard and prohibit the blood from leaving a warehouse.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the 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 scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. The 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 of the detection box from the opening, a first transparent area is arranged on the storage box, a visual recognition sensor is arranged on the side wall of the detection box, and the visual recognition sensor shoots a layering interface image of blood in the blood bag;
the storage box comprises a back plate and a box body arranged on the back plate, the back plate is higher than the box body in height, the box body is provided with an upper opening, the blood bag moves in/out of the box body from the upper opening, the back plate is provided with a first transparent area, when the blood bag is arranged in the box body, a layering interface area of blood in the blood bag extends out of the box body and faces the first transparent area, and the visual identification sensor is positioned on one side far away from the back plate;
the back plate is also provided with a second transparent area, the first transparent area and the second transparent area are positioned on the same side of the back plate, the back plate is sequentially provided with the first transparent area and the second transparent area from top to bottom, the identification code on the blood bag is opposite to the second transparent area, and the side wall of the detection box opposite to the second transparent area is provided with a code reader;
pressure sensors are respectively arranged on two opposite side walls of the storage box.
2. The blood quality testing device of claim 1, wherein a distance between a side of the testing cassette and the storage cassette is 2-5cm.
3. The blood quality testing device of claim 2, wherein the testing cassette is disposed on a manipulator, and wherein a clamping portion of the manipulator is disposed within the testing cassette, the clamping portion being configured to clamp the storage cassette.
4. A blood quality detection method, characterized in that the detection of the delamination interface condition of blood in a blood bag is performed by using the blood quality detection device according to any one of claims 1 to 3, comprising the steps of:
(1) The 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 the analysis module;
(2) The analysis module compares the received layered interface image with the teaching model to judge whether the blood quality reaches the standard;
(3) When a blood bag is placed in the storage box, the control unit controls the two pressure sensors to be started simultaneously, the current pressure of the blood bag is detected, and the blood quality is judged by detecting the pressure change of the blood bag.
5. The method for detecting the quality of blood according to claim 4, wherein a distance between the visual recognition sensor and the blood bag is 2-5cm.
6. The method according to claim 5, wherein the area of the blood bag photographed by the visual recognition sensor can cover 1/2 of the blood bag.
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