CN117091666A - Monitoring system and monitoring method for monitoring capacity of medical water bag - Google Patents
Monitoring system and monitoring method for monitoring capacity of medical water bag Download PDFInfo
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- CN117091666A CN117091666A CN202311031370.7A CN202311031370A CN117091666A CN 117091666 A CN117091666 A CN 117091666A CN 202311031370 A CN202311031370 A CN 202311031370A CN 117091666 A CN117091666 A CN 117091666A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 238000012544 monitoring process Methods 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000005303 weighing Methods 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 238000007781 pre-processing Methods 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims description 18
- 230000008859 change Effects 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 10
- 238000012986 modification Methods 0.000 description 8
- 230000004048 modification Effects 0.000 description 8
- 238000011010 flushing procedure Methods 0.000 description 6
- 238000001802 infusion Methods 0.000 description 4
- 238000012806 monitoring device Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 206010001526 Air embolism Diseases 0.000 description 1
- 208000002847 Surgical Wound Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036737 immune function Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
- A61M5/1684—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion
- A61M5/16845—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion by weight
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F22/00—Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for
- G01F22/02—Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for involving measurement of pressure
-
- 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
- A61M2205/18—General characteristics of the apparatus with alarm
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- External Artificial Organs (AREA)
Abstract
The application discloses a monitoring system and a monitoring method for monitoring the capacity of a medical water bag, wherein the monitoring system comprises: the weighing system comprises a controller, a weighing sensor and an alarm; the weighing sensor and the alarm are respectively and electrically connected with the controller; the weighing sensor is connected with a hook for hanging the medical water bag to be monitored; the controller is configured to: acquiring weight data acquired by the weighing sensor; preprocessing the weight data; calculating the residual capacity percentage of the medical water bag to be monitored according to the pretreated weight data; when the residual capacity percentage is smaller than a preset percentage threshold value, the alarm is controlled to alarm, so that the water bag is light in weight, easy to carry and convenient to transfer, various water bag capacity options are designed, and when the liquid consumption is insufficient, a warning is sent out, and in addition, the water bag can reliably work in various environments under the conditions of magnetic field, radioactivity, chemical corrosion and the like.
Description
Technical Field
The application relates to the field of medical appliances, in particular to a monitoring system and a monitoring method for monitoring the capacity of a medical water bag.
Background
In minimally invasive surgery, endoscopic surgical instruments are usually used, and in the surgical process, an endoscope entering a patient body is required to be continuously flushed with flushing fluid, so that on one hand, the surgical field is kept clear, whether active bleeding exists or not is checked, on the other hand, residual blood and tissues can be flushed, surgical incisions are kept clean, and incision infection is prevented. The current endoscopic surgical instruments are all provided with a flushing pipe, and the other end of the flushing pipe is connected with a flushing liquid bag hung on a bracket. When the operation is performed, the consumption speed of the flushing liquid is high, medical staff can visually observe whether the flushing bag needs to be replaced or not, negligence is easily caused, the lens is blurred and unclear due to untimely replacement of the water bag in the operation process, visual observation of doctors is affected, operation risks are increased, the immune function of patients is adversely affected, and operation time is prolonged.
When the patient carries out infusion treatment, the water bag consumes slowly, and medical staff or family members are required to observe the dosage of the medicine from time to time, so that a large amount of manpower is consumed. Once the family members fail to pay attention to the medical staff in time, the infusion water bag is easy to drip out of the medicine and is not treated, and the situation can lead to the phenomenon of blood reflux of a patient, even air enters veins to cause air embolism, thereby endangering the life of the patient.
Devices for alarming by sensing the weight change of a water bag are proposed, and the using method is as follows:
1) When the weight of the water bag is lightened, the spring can move upwards, and the gravity plate can sequentially loosen a plurality of alarm mechanisms for early warning.
2) And (3) setting an early warning parameter in advance by using a tension sensor, acquiring data by using the tension sensor, comparing the data with the early warning parameter, and outputting an early warning signal.
According to the method, the alarm is given after the weight of the water bag is reduced to a certain fixed critical value, the water bag used in clinical operation and transfusion treatment is various in capacity, and the same device is difficult to use, so that accurate early warning is carried out on various water bags.
Disclosure of Invention
In order to solve the technical problems, the embodiment of the application provides a monitoring system and a monitoring method for monitoring the capacity of a medical water bag, which can improve the accuracy of the early warning of the capacity of the medical water bag.
In order to achieve the above object, an embodiment of the present application provides a monitoring system for monitoring a volume of a medical water bag, including: the weighing system comprises a controller, a weighing sensor and an alarm; the weighing sensor and the alarm are respectively and electrically connected with the controller; the weighing sensor is connected with a hook for hanging the medical water bag to be monitored;
the controller is configured to:
acquiring weight data acquired by the weighing sensor; wherein the weight data is determined from pressure from the hanger;
preprocessing the weight data;
calculating the residual capacity percentage of the medical water bag to be monitored according to the pretreated weight data;
and when the residual capacity percentage is smaller than a preset percentage threshold value, controlling the alarm to alarm.
Further, the calculating the remaining capacity percentage of the medical water bag to be monitored according to the preprocessed weight data specifically includes:
reading the initial weight and the real-time weight of the medical water bag to be monitored from the preprocessed weight data;
calculating a difference between the initial weight and the real-time weight;
dividing the difference value by a preset liquid density to obtain a volume change value of the liquid in the medical water bag to be monitored;
and calculating the percentage of the residual capacity based on the volume change value and the preset standard capacity of the medical water bag to be monitored.
Further, the pretreatment includes at least one of: data zero-tracking processing, median filtering processing, average value filtering processing and creep compensation processing.
Further, the weight data are acquired by detecting the pressure from the hook once every preset period time by the weighing sensor and performing analog-to-digital conversion on the pressure signal generated after detection.
Further, the cycle time is 25ms.
Further, the monitoring system also includes a battery module for powering the monitoring system.
Further, the alarm comprises a display device and a buzzer; the display device and the buzzer are respectively connected with the controller through an acousto-optic drive circuit.
Further, the standard capacities include 500m l, 1000m l and 3000m l.
Further, the percentage threshold is 20%.
The embodiment of the application also provides a monitoring method for monitoring the capacity of the medical water bag, which is suitable for a controller, wherein the controller is electrically connected with a weighing sensor, the controller is electrically connected with an alarm, and the weighing sensor is connected with a hook for hanging the medical water bag to be monitored; the monitoring method comprises the following steps:
acquiring weight data acquired by the weighing sensor; wherein the weight data is determined from pressure from the hanger;
preprocessing the weight data;
calculating the residual capacity percentage of the medical water bag to be monitored according to the pretreated weight data;
and when the residual capacity percentage is smaller than a preset percentage threshold value, controlling the alarm to alarm.
In summary, the application has the following beneficial effects:
the embodiment of the application comprises a controller, a weighing sensor and an alarm; the weighing sensor and the alarm are respectively and electrically connected with the controller; the weighing sensor is connected with a hook for hanging the medical water bag to be monitored; the controller is configured to: acquiring weight data acquired by the weighing sensor; wherein the weight data is determined from pressure from the hanger; preprocessing the weight data; calculating the residual capacity percentage of the medical water bag to be monitored according to the pretreated weight data; when the residual capacity percentage is smaller than a preset percentage threshold value, the alarm is controlled to alarm, so that the complexity of a traditional physical structure is removed through software program control, the internal structure is simple, the weight is light, the carrying is easy, the transfer is convenient, the option of various water bag capacities is designed, when the liquid consumption is less than 20%, an acousto-optic warning is sent out, medical staff is reminded to process, in addition, reliable work can be carried out in various environments under the conditions of magnetic field, radioactivity, chemical corrosion and the like, and the use requirements of different scenes are met.
Drawings
FIG. 1 is a schematic view of an embodiment of a monitoring system for monitoring the volume of a medical water bag according to the present application;
FIG. 2 is a flow chart of an embodiment of a method for monitoring the volume of a medical water bag according to the present application;
fig. 3 is a schematic view of an embodiment of a monitoring system for monitoring the volume of a medical water bag according to the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the description of the present application, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", "a third", etc. may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
In the description of the present application, it should be noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless defined otherwise. The terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application, as the particular meaning of the terms described above in the present application will be understood to those of ordinary skill in the art in the detailed description of the application.
Referring to fig. 1, a schematic structural diagram of an embodiment of a monitoring system for monitoring a volume of a medical water bag according to the present application includes: a controller 102, a load cell 101 and an alarm 103; the weighing sensor 101 and the alarm 103 are respectively and electrically connected with the controller 102; the weighing sensor 101 is connected with a hook for hanging a medical water bag to be monitored;
the controller 102 is configured to:
acquiring weight data acquired by the weighing sensor 101; wherein the weight data is determined from pressure from the hanger;
preprocessing the weight data;
calculating the residual capacity percentage of the medical water bag to be monitored according to the pretreated weight data;
and when the residual capacity percentage is smaller than a preset percentage threshold value, controlling the alarm 103 to alarm.
Illustratively, the monitoring system further includes a mechanical key unit, an outer housing.
Illustratively, the load cell 101 is a strain gauge sensor. It can be understood that the sensor has high resolution, can measure extremely tiny strain, has small error, is generally smaller than 1%, has large measuring range, can always measure plastic deformation (1-2%) from elastic deformation, and can maximally reach 20%, and can measure static state and rapid alternating stress.
As an improvement of the above solution, the calculating the percentage of the remaining capacity of the medical water bag to be monitored according to the preprocessed weight data specifically includes:
reading the initial weight and the real-time weight of the medical water bag to be monitored from the preprocessed weight data;
calculating a difference between the initial weight and the real-time weight;
dividing the difference value by a preset liquid density to obtain a volume change value of the liquid in the medical water bag to be monitored;
and calculating the percentage of the residual capacity based on the volume change value and the preset standard capacity of the medical water bag to be monitored.
Illustratively, the change weight of the water bag (i.e. the difference between the initial weight W1 and the real-time weight W2) is Δw=w1-W2, and the volume change value of the solution in the medical water bag is Δv=Δw/ρ.
As an improvement of the above, the pretreatment includes at least one of: data zero-tracking processing, median filtering processing, average value filtering processing and creep compensation processing.
As an improvement of the above-mentioned scheme, the weight data is acquired by detecting the pressure from the hanger once every a preset cycle time by the load cell 101 and performing analog-to-digital conversion on the pressure signal generated after the detection.
As a modification of the above, the cycle time is 25ms.
It should be noted that the cycle time is a selectable parameter provided by the chip in the sensor as the sampling cycle.
As an improvement of the above solution, the monitoring system further comprises a battery module for powering the monitoring system.
It should be noted that the monitoring system further includes a charging interface unit connected with the battery module.
Illustratively, the battery module is comprised of a plurality of lithium batteries.
As an improvement of the above, the alarm 103 includes a display device and a buzzer; the display device and the buzzer are respectively connected with the controller 102 through an acousto-optic drive circuit.
The display device is an LED indicator light.
The display device is a display screen, and the display screen is used for displaying the residual capacity percentage.
As a modification of the above, the standard volumes include 500m l, 1000ml and 3000ml.
It should be noted that, the standard capacity is configured correspondingly by the monitoring system according to the capacity selection information input by the user.
As a modification of the above scheme, the percentage threshold is 20%.
It should be noted that, the percentage threshold is configured correspondingly by the monitoring system according to the percentage selection information input by the user.
Embodiment one, a specific embodiment of the monitoring system for monitoring the volume of the medical water bag is shown in fig. 3:
the capacity parameter is selected and then zeroed, and its signal is input to the microcontroller 102 for processing. The monitoring device is hung on an infusion support, then a water bag is hung on a hook connected with the weighing sensor 101 in the monitoring device, along with the change of the weight of the water bag, weak analog input signals of the weighing sensor 101 are converted into digital signals through a digital-to-analog converter, and then preprocessing such as data zero-following, median filtering, average value filtering, creep compensation and the like is carried out. And calculating the processed result, judging whether the liquid amount is insufficient, outputting to external equipment if the liquid amount is insufficient, transmitting signals to an LED indicator lamp and a buzzer through an acousto-optic driving circuit, and alarming.
Referring to fig. 2, a flow chart of an embodiment of a method for monitoring the capacity of a medical water bag according to the present application is shown, where the monitoring method is applicable to a controller, the controller is electrically connected to a weighing sensor, the controller is electrically connected to an alarm, and the weighing sensor is connected to a hook for hanging the medical water bag to be monitored; the method comprises the steps S1 to S4, and specifically comprises the following steps:
s1, acquiring weight data acquired by the weighing sensor; wherein the weight data is determined from pressure from the hanger;
s2, preprocessing the weight data;
s3, calculating the percentage of the residual capacity of the medical water bag to be monitored according to the preprocessed weight data;
and S4, when the residual capacity percentage is smaller than a preset percentage threshold value, controlling the alarm to alarm.
Illustratively, the monitoring system further includes a mechanical key unit, an outer housing.
Illustratively, the load cell is a strain gauge sensor. It can be understood that the sensor has high resolution, can measure extremely tiny strain, has small error, is generally smaller than 1%, has large measuring range, can always measure plastic deformation (1-2%) from elastic deformation, and can maximally reach 20%, and can measure static state and rapid alternating stress.
As an improvement of the above solution, the calculating the percentage of the remaining capacity of the medical water bag to be monitored according to the preprocessed weight data specifically includes:
reading the initial weight and the real-time weight of the medical water bag to be monitored from the preprocessed weight data;
calculating a difference between the initial weight and the real-time weight;
dividing the difference value by a preset liquid density to obtain a volume change value of the liquid in the medical water bag to be monitored;
and calculating the percentage of the residual capacity based on the volume change value and the preset standard capacity of the medical water bag to be monitored.
Illustratively, the change weight of the water bag (i.e. the difference between the initial weight W1 and the real-time weight W2) is Δw=w1-W2, and the volume change value of the solution in the medical water bag is Δv=Δw/ρ.
As an improvement of the above, the pretreatment includes at least one of: data zero-tracking processing, median filtering processing, average value filtering processing and creep compensation processing.
As an improvement of the above scheme, the weight data is acquired by detecting the pressure from the hook once every preset cycle time by the weighing sensor and performing analog-digital conversion on the pressure signal generated after detection.
As a modification of the above, the cycle time is 25ms.
It should be noted that the cycle time is a selectable parameter provided by the chip in the sensor as the sampling cycle.
As an improvement of the above solution, the monitoring system further comprises a battery module for powering the monitoring system.
It should be noted that the monitoring system further includes a charging interface unit connected with the battery module.
Illustratively, the battery module is comprised of a plurality of lithium batteries.
As an improvement of the scheme, the alarm comprises a display device and a buzzer; the display device and the buzzer are respectively connected with the controller through an acousto-optic drive circuit.
The display device is an LED indicator light.
The display device is a display screen, and the display screen is used for displaying the residual capacity percentage.
As a modification of the above, the standard volumes include 500m l, 1000ml and 3000ml.
It should be noted that, the standard capacity is configured correspondingly by the monitoring system according to the capacity selection information input by the user.
As a modification of the above scheme, the percentage threshold is 20%.
It should be noted that, the percentage threshold is configured correspondingly by the monitoring system according to the percentage selection information input by the user.
Embodiment one, a specific embodiment of the monitoring system for monitoring the volume of the medical water bag is shown in fig. 3:
the capacity parameter is selected and then zeroed, and the signal is input into the micro controller for processing. The monitoring device is hung on the infusion support, then a water bag is hung on a hook connected with the weighing sensor in the monitoring device, weak analog input signals of the weighing sensor can be converted into digital signals through a digital-to-analog converter along with the weight change of the water bag, and then pretreatment such as data zero-following, median filtering, average value filtering, creep compensation and the like is carried out. And calculating the processed result, judging whether the liquid amount is insufficient, outputting to external equipment if the liquid amount is insufficient, transmitting signals to an LED indicator lamp and a buzzer through an acousto-optic driving circuit, and alarming.
In summary, the application has the following beneficial effects:
the embodiment of the application comprises a controller, a weighing sensor and an alarm; the weighing sensor and the alarm are respectively and electrically connected with the controller; the weighing sensor is connected with a hook for hanging the medical water bag to be monitored; the controller is configured to: acquiring weight data acquired by the weighing sensor; wherein the weight data is determined from pressure from the hanger; preprocessing the weight data; calculating the residual capacity percentage of the medical water bag to be monitored according to the pretreated weight data; when the residual capacity percentage is smaller than a preset percentage threshold value, the alarm is controlled to alarm, so that the complexity of a traditional physical structure is removed through software program control, the internal structure is simple, the weight is light, the carrying is easy, the transfer is convenient, the option of various water bag capacities is designed, when the liquid consumption is less than 20%, an acousto-optic warning is sent out, medical staff is reminded to process, in addition, reliable work can be carried out in various environments under the conditions of magnetic field, radioactivity, chemical corrosion and the like, and the use requirements of different scenes are met.
From the above description of the embodiments, it will be clear to those skilled in the art that the present application may be implemented by means of software plus necessary hardware platforms, but may of course also be implemented entirely in hardware. With such understanding, all or part of the technical solution of the present application contributing to the background art may be embodied in the form of a software product, which may be stored in a storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform the method described in the embodiments or some parts of the embodiments of the present application.
While the foregoing is directed to the preferred embodiments of the present application, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the application, such changes and modifications are also intended to be within the scope of the application.
Claims (10)
1. A monitoring system for monitoring the volume of a medical water bag, comprising: the weighing system comprises a controller, a weighing sensor and an alarm; the weighing sensor and the alarm are respectively and electrically connected with the controller; the weighing sensor is connected with a hook for hanging the medical water bag to be monitored;
the controller is configured to:
acquiring weight data acquired by the weighing sensor; wherein the weight data is determined from pressure from the hanger;
preprocessing the weight data;
calculating the residual capacity percentage of the medical water bag to be monitored according to the pretreated weight data;
and when the residual capacity percentage is smaller than a preset percentage threshold value, controlling the alarm to alarm.
2. The system for monitoring the volume of a medical water bag according to claim 1, wherein the calculating the remaining volume percentage of the medical water bag to be monitored according to the preprocessed weight data comprises:
reading the initial weight and the real-time weight of the medical water bag to be monitored from the preprocessed weight data;
calculating a difference between the initial weight and the real-time weight;
dividing the difference value by a preset liquid density to obtain a volume change value of the liquid in the medical water bag to be monitored;
and calculating the percentage of the residual capacity based on the volume change value and the preset standard capacity of the medical water bag to be monitored.
3. The system for monitoring the volume of a medical water bag according to claim 1, wherein the preprocessing includes at least one of: data zero-tracking processing, median filtering processing, average value filtering processing and creep compensation processing.
4. The monitoring system for monitoring the volume of a medical water bag according to claim 1, wherein the weight data is acquired by detecting the pressure from the hanger once every a preset cycle time by the weighing sensor and performing analog-digital conversion on the pressure signal generated after the detection.
5. The system for monitoring the volume of a medical water bag according to claim 4, wherein the cycle time is 25ms.
6. The system for monitoring the volume of a medical water bag according to claim 1, further comprising a battery module for powering the monitoring system.
7. The monitoring system for monitoring the volume of a medical water bag according to claim 1, wherein the alarm comprises a display device and a buzzer; the display device and the buzzer are respectively connected with the controller through an acousto-optic drive circuit.
8. The monitoring system for monitoring the volume of a medical water bag according to claim 2, wherein the standard volume includes 500ml, 1000ml and 3000ml.
9. The system for monitoring the volume of a medical water bag according to claim 1, wherein the percentage threshold is 20%.
10. The monitoring method for monitoring the capacity of the medical water bag is characterized by being suitable for a controller, wherein the controller is electrically connected with a weighing sensor, the controller is electrically connected with an alarm, and the weighing sensor is connected with a hook for hanging the medical water bag to be monitored; the monitoring method comprises the following steps:
acquiring weight data acquired by the weighing sensor; wherein the weight data is determined from pressure from the hanger;
preprocessing the weight data;
calculating the residual capacity percentage of the medical water bag to be monitored according to the pretreated weight data;
and when the residual capacity percentage is smaller than a preset percentage threshold value, controlling the alarm to alarm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311031370.7A CN117091666A (en) | 2023-08-15 | 2023-08-15 | Monitoring system and monitoring method for monitoring capacity of medical water bag |
| CN202311768955.7A CN117919543A (en) | 2023-08-15 | 2023-12-20 | Monitoring system and monitoring method for monitoring capacity of medical water bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311031370.7A CN117091666A (en) | 2023-08-15 | 2023-08-15 | Monitoring system and monitoring method for monitoring capacity of medical water bag |
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| Publication Number | Publication Date |
|---|---|
| CN117091666A true CN117091666A (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311031370.7A Pending CN117091666A (en) | 2023-08-15 | 2023-08-15 | Monitoring system and monitoring method for monitoring capacity of medical water bag |
| CN202311768955.7A Pending CN117919543A (en) | 2023-08-15 | 2023-12-20 | Monitoring system and monitoring method for monitoring capacity of medical water bag |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311768955.7A Pending CN117919543A (en) | 2023-08-15 | 2023-12-20 | Monitoring system and monitoring method for monitoring capacity of medical water bag |
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| Country | Link |
|---|---|
| CN (2) | CN117091666A (en) |
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2023
- 2023-08-15 CN CN202311031370.7A patent/CN117091666A/en active Pending
- 2023-12-20 CN CN202311768955.7A patent/CN117919543A/en active Pending
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| CN117919543A (en) | 2024-04-26 |
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