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WO2020014895A1 - 输液报警系统、方法、计算机设备和存储介质 - Google Patents

输液报警系统、方法、计算机设备和存储介质 Download PDF

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Publication number
WO2020014895A1
WO2020014895A1 PCT/CN2018/096139 CN2018096139W WO2020014895A1 WO 2020014895 A1 WO2020014895 A1 WO 2020014895A1 CN 2018096139 W CN2018096139 W CN 2018096139W WO 2020014895 A1 WO2020014895 A1 WO 2020014895A1
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WIPO (PCT)
Prior art keywords
pressure data
infusion
alarm
sensor
signal processor
Prior art date
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.)
Ceased
Application number
PCT/CN2018/096139
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English (en)
French (fr)
Inventor
涂有强
何先梁
左鹏飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Mindray Scientific Co Ltd
Original Assignee
Shenzhen Mindray Scientific Co Ltd
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Publication date
Application filed by Shenzhen Mindray Scientific Co Ltd filed Critical Shenzhen Mindray Scientific Co Ltd
Priority to CN201880095414.3A priority Critical patent/CN112384266B/zh
Priority to PCT/CN2018/096139 priority patent/WO2020014895A1/zh
Publication of WO2020014895A1 publication Critical patent/WO2020014895A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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
    • A61M5/142—Pressure infusion, e.g. using pumps
    • 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
    • A61M5/172—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 electrical or electronic

Definitions

  • the present application relates to the technical field of medical devices, and in particular, to an infusion alarm system, method, computer equipment, and storage medium.
  • sensors need to be used to continuously monitor the pressure of the infusion line, and analyze the monitored pressure data to determine whether the infusion line is blocked, and if it is blocked, an alarm is issued.
  • the pressure data that needs to be analyzed is the pressure data monitored by the sensor. If the monitored pressure data is inaccurate, analyzing the monitored pressure data may result in inaccurate analysis results, resulting in inaccuracy. Determine if the infusion line is clogged so that the alarm operation cannot be performed accurately.
  • an infusion alarm system, method, computer equipment, and storage medium that perform an alarm operation based on the calibrated pressure data are provided.
  • An infusion alarm system includes: a drip chamber, an infusion tube, an infusion pump body, a sensor, an infusion device wheel, a signal processor, and an alarm device; the infusion tube is connected to the drip chamber; the infusion The pump body, the sensor and the infusion set roller are arranged on the infusion tube; the signal processor is connected to the sensor; the signal processor is also connected to the alarm device;
  • the sensor is configured to collect pressure data of an infusion tube where the sensor is located, and send the pressure data to the signal processor;
  • the signal processor is configured to monitor the pressure data, and to calibrate the monitored pressure data when a sudden change in the pressure data is detected; the signal processor is further configured to send an alarm according to the calibrated pressure data. Instructions to the alarm;
  • the alarm device is configured to perform an alarm operation according to the alarm instruction.
  • An infusion alarm method which is applicable to an infusion alarm system
  • the infusion alarm system includes: a drip chamber, an infusion tube, an infusion pump body, a sensor, an infusion device wheel, a signal processor, and an alarm device;
  • An infusion tube is connected to the drip chamber;
  • the infusion pump body, the sensor, and the infusion device wheel are arranged on the infusion tube;
  • the signal processor is connected to the sensor;
  • the signal processor And connected to the alarm, the method includes:
  • Monitoring pressure data which is pressure data of the infusion tube where the sensor is collected using the sensor
  • a computer device includes a memory and a processor.
  • the memory stores a computer program that can run on the processor, and the processor implements the following steps when the computer program executes:
  • Monitoring pressure data which is pressure data of the infusion tube where the sensor is collected using the sensor
  • an alarm instruction is sent to the alarm device, so that the alarm device performs an alarm operation according to the alarm instruction.
  • a computer-readable storage medium stores a computer program thereon, and when the computer program is executed by a processor, the following steps are implemented:
  • Monitoring pressure data which is pressure data of the infusion tube where the sensor is collected using the sensor
  • an alarm instruction is sent to the alarm device, so that the alarm device performs an alarm operation according to the alarm instruction.
  • a signal processor is used to monitor whether the pressure data of the infusion tube is abruptly changed, wherein the abrupt change of the pressure data is determined by the trend change of the curve formed by the pressure data.
  • the monitored pressure data is calibrated to ensure the accuracy of the pressure data, and the accurate pressure data after calibration can be used to timely and accurately perform alarm operations.
  • FIG. 1 is an application environment diagram of an infusion alarm system in an embodiment
  • FIG. 2 is a structural block diagram of an infusion alarm system according to an embodiment
  • FIG. 3 is an arrangement diagram of various devices in an infusion alarm system according to an embodiment
  • FIG. 5 is a schematic flowchart of an infusion alarm method according to an embodiment
  • FIG. 6 is a schematic flowchart of a refinement step of step 503 in the embodiment shown in FIG. 5; FIG.
  • FIG. 7 is a schematic flowchart of an additional step in the embodiment shown in FIG. 6;
  • FIG. 8 is a schematic flowchart of another additional step in the embodiment shown in FIG. 6;
  • FIG. 9 is an internal structure diagram of a computer device in an embodiment
  • FIG. 10 is a graph showing changes in pressure data of an infusion tube.
  • the infusion alarm system provided in this application can be applied to the application environment shown in FIG. 1.
  • the infusion alarm system includes a sensor 10 and a signal processor 11.
  • the sensor 10 may be connected to the signal processor 11 through a wireless network connection or a wired network.
  • the sensor 10 is arranged on the infusion tube.
  • the sensor 10 is used to detect the change of the infusion tube where the sensor is located, and output a detection signal.
  • the detection signal is subjected to A / D conversion (analogue-to-digital conversion) to obtain pressure data, and
  • the pressure data is sent to the signal processor 11.
  • the signal processor 11 includes at least one processor 111 and a memory 112.
  • the processor 121 may be a CPU (Central Processing Unit), an IPU (Intelligence Processing Unit), or the like.
  • the memory 112 in the signal processor 11 stores a calibration program, and the processor 111 can call and run the calibration program in the memory 112 to calibrate the pressure data sent by the sensor 10.
  • FIG. 2 a structural block diagram of an infusion alarm system is provided.
  • the system includes: a drip chamber 20, an infusion tube 21, an infusion pump body 22, a sensor 23, an infusion set roller 24, A signal processor 25 and an alarm 26; the infusion tube 21 is connected to the drip chamber 20; the infusion pump body 22, the sensor 23 and the infusion device roller 24 are arranged on the infusion tube 21;
  • the signal processor 25 is connected to the sensor 23; the signal processor 25 is also connected to the alarm device 26;
  • the sensor 23 is configured to collect pressure data of the infusion tube 21 where the sensor 23 is located, and send the pressure data to the signal processor 25;
  • the signal processor 25 is configured to monitor the pressure data and calibrate the monitored pressure data when a sudden change in the pressure data is detected;
  • the signal processor 25 is further configured to send an alarm instruction to the alarm device 26 according to the calibrated pressure data
  • the alarm device 26 is configured to perform an alarm operation according to the alarm instruction.
  • the positions of the infusion pump body 22, the sensor 23, and the infusion set roller 24 are not limited to the arrangement positions in FIG. 2, and the arrangement positions may be based on actual conditions. The situation is adjusted.
  • the sensor 23 may be a pressure sensor, a Hall sensor, or the like.
  • a pressure sensor is used to detect the elastic deformation of the infusion tube where the pressure sensor is located to output a detection signal;
  • a Hall sensor is used to detect the displacement change of the infusion tube where the Hall sensor is located to output a detection signal.
  • the sending of the alarm instruction to the alarm device 26 according to the calibrated pressure data specifically includes:
  • the signal processor 25 After the signal processor 25 detects that the calibrated pressure data is greater than or equal to a preset alarm threshold, it generates a corresponding alarm instruction, and sends the alarm instruction to the alarm device 26, and the alarm device 26 performs an alarm according to the alarm instruction.
  • an alarm threshold is set in advance.
  • the preset threshold value indicates the maximum infusion safety value. When the calibrated pressure data is less than the alarm threshold value, it indicates that the current infusion status is safe. If the calibrated pressure data is greater than or equal to the alarm threshold value, it indicates that the current infusion status is unsafe. Alarms are needed to alert patients and medical staff.
  • the preset threshold may be modified according to actual conditions, for example, according to settings such as the physical fitness of the subject to be infused, the surrounding ambient temperature, and the like.
  • the signal processor 25 is configured to monitor the pressure data uploaded by the sensor 23. Specifically, the signal processor 25 determines whether the pressure data is abruptly changed by monitoring the trend change of the curve formed by the pressure data. The abrupt change in the data is determined by the trend change of the curve formed by the pressure data.
  • the monitored pressure data is calibrated. For example, at the moment when the infusion set wheel 24 is closed, the pressure data will change suddenly, and the signal processor 25 can be used to calibrate the monitored pressure data when the pressure data changes suddenly.
  • the signal processor 25 is used to monitor whether a sudden change occurs in the pressure data of the infusion tube 21, wherein the sudden change in the pressure data is determined by a trend change of a curve formed by the pressure data.
  • the monitored pressure data is calibrated to ensure the accuracy of the pressure data, and the accurate pressure data after calibration can be used to accurately determine whether the infusion line is clogged and occurs in the infusion line. In the event of a blockage, the alarm operation is performed in a timely and accurate manner.
  • FIG. 3 an arrangement diagram of various devices in an infusion alarm system is provided, and specifically:
  • the infusion pump body 22 includes a pump device 221, and the sensor 23 is disposed in the infusion pump body 22;
  • the pump device 221, the sensor 23, and the infusion set roller 24 are sequentially disposed along the infusion tube 21.
  • the a end of the drip chamber 20 is connected to the b1 end of the infusion tube 21, the b2 end of the infusion tube 21 is close to the c1 end of the infusion device roller 24, and the infusion device roller
  • the c2 end of 24 is close to the d1 end of the sensor 23, the d2 end of the sensor 23 is close to the e1 end of the pump device 221, and the e2 end of the pump device 221 is close to the b3 end of the infusion tube 21.
  • FIG. 4 another arrangement diagram of each device in an infusion alarm system is provided, specifically:
  • the infusion pump body 22 includes a pump device 221, and the sensor 23 is disposed in the infusion pump body 22;
  • the infusion set roller 24, the sensor 23, and the pump device 221 are sequentially disposed along the infusion tube.
  • the a end of the drip chamber 20 is connected to the b1 end of the infusion tube 21, the b2 end of the infusion tube 21 is close to the e1 end of the pump device 221, and the e2 end of the pump device 221 is connected to the sensor 23
  • the d1 end is close to each other, the d2 end of the sensor 23 is close to the c1 end of the infusion set roller 24, and the c2 end of the infusion set roller 24 is close to the b3 end of the infusion tube 21.
  • the senor 23 is usually disposed in the infusion pump body 22, and the sensor 23 and the infusion pump body 22 may be detachably connected or non-detachable.
  • the sensor 23 may not be provided in the infusion pump body 22.
  • the infusion device roller 24 and the sensor 23 need to be arranged on the same side of the pump device 221.
  • the signal processor 25 is configured to: monitor the status of the infusion device wheel, wherein the status includes the infusion device wheel being closed; and acquire the instant of the infusion tube 21 where the sensor 23 is located when the infusion device wheel is closed Pressure value; calibrating target pressure data according to the instantaneous pressure value, wherein the target pressure data is pressure data monitored during the infusion set wheel closing.
  • the signal processor 25 is further configured to: monitor the state of the infusion set wheel according to the pressure data, wherein the state includes the infusion set wheel being opened; when the infusion set wheel is detected to be open or is being monitored; Within a preset time period after the infusion device wheel is turned on, the calibration of the monitored pressure data is stopped.
  • the signal processor 25 is further configured to: determine whether a downward mutation occurs in the pressure data; if a downward mutation occurs, obtain a first inflection point value when the downward mutation occurs, and determine the first inflection point value Is the instantaneous pressure value; replacing the target pressure data with the instantaneous pressure value.
  • the senor 23 collects and sends pressure data in real time
  • the signal processor 25 receives and monitors the pressure data in real time.
  • the pressure data received by the signal processor 25 is gently attenuated.
  • Several pressure data and corresponding monitoring time can form a curve of pressure data's gentle decay with monitoring time.
  • the pressure data collected according to the elastic deformation will change downward; if the sensor 23 is a Hall sensor, the pressure data collected according to the displacement change of the infusion tube 21 will also change downward.
  • the first inflection point value when the downward abruption is determined is determined.
  • the pressure data corresponding to the Q point is determined as the first inflection point value, and the first inflection point value is determined as the instantaneous pressure value. .
  • the target pressure data is the pressure data monitored during the infusion set wheel closing.
  • the instantaneous pressure value is a specific data on the curve of pressure data's gentle decay with the monitoring time.
  • the pressure data monitored during the closing of the infusion device roller 24 is replaced with the instantaneous pressure value.
  • This calibration method ensures the gentle change of the monitored pressure data, and avoids the abnormal pressure change that is caused by closing the infusion device roller 24. data.
  • the closing and opening of the infusion set roller 24 is determined by monitoring the change curve formed by the pressure data and the corresponding monitoring time. If the change curve is detected to suddenly change downward, as shown in FIG. 10, from Q The sudden change in pressure data at the start point of the point indicates that the point at which the infusion device wheel 24 is turned off at the time point corresponding to the point Q, and the point at which the abrupt change of the pressure point corresponds to the time point at which the infusion device wheel 24 is closed. If a sudden upward change is detected in the change curve, as shown in FIG. 10, the pressure data suddenly changes upwards from point P, which indicates that the infusion device wheel 24 at the time point corresponding to point P is turned on, and the time point of the upward mutation is corresponding to the infusion device wheel 24 points in time of opening.
  • whether a downward mutation or an upward mutation occurs can be determined by the slope of the curve. For example, if the slope is less than a first preset threshold, it indicates that a downward mutation has occurred.
  • the first preset threshold -40,- 50, -60, etc. are set and modified according to the actual situation; if the slope is greater than the second preset threshold value, it indicates that a sudden change occurs, wherein the second preset threshold value 40, 50, 60, etc. is set according to the actual situation Fix and modify.
  • the above infusion alarm system determines the status of the infusion device wheel by monitoring the pressure data, wherein the status of the infusion device wheel includes the infusion device wheel being closed and the infusion device wheel being open.
  • the infusion device wheel 24 is closed, the infusion solution where the sensor 23 is closed is obtained.
  • the instantaneous pressure value of the tube 21 replaces the pressure data monitored during the closing of the infusion device roller 24 with the instantaneous pressure value.
  • the calibration of the monitored pressure data is stopped from the time point corresponding to the P point, or at a preset time period when the infusion device roller 24 is turned on After that, the calibration of the monitored pressure data is stopped.
  • the infusion set roller 24 is turned on at a time point corresponding to point P.
  • the calibration of the monitored pressure data can be stopped from point M.
  • the calibration of the monitored pressure data is stopped at the corresponding time point, or the monitoring of the monitored pressure data is stopped at the corresponding time point of N point. Calibrated pressure data, thus ensuring the accuracy of the pressure data, accurate pressure data after calibration analysis can accurately determine whether the infusion line clogging occurs, thereby performing an alarm operation accuracy.
  • the above-mentioned stopping of the calibration of the monitored pressure data when the infusion set roller 24 is turned on, or the calibration of the monitored pressure data after a preset period of time when the infusion set roller 24 is turned on, is flexible based on factors such as the sensitivity of the sensor Set. If the sensitivity of the sensor is low, the data from point P to point M may be vertically abrupt, and the calibration of the monitored pressure data will be stopped directly when the infusion device wheel 24 is opened. If the sensitivity of the sensor is higher than the original one, the data from point P to point M may be abruptly abrupt. You need to stop the calibration of the monitored pressure data after the preset time period of turning the infusion set wheel 24 is turned on.
  • FIG. 5 it is a schematic flowchart of an infusion alarm method.
  • the method is applied to the application environment shown in FIG. 1.
  • the infusion alarm method is suitable for an infusion alarm system.
  • the infusion alarm The system includes: an infusion chamber, an infusion tube, an infusion pump body, a sensor, an infusion device wheel, a signal processor, and an alarm; the infusion tube is connected to the infusion room; the infusion pump body, the sensor, and an infusion unit.
  • the infusion device wheel is arranged on the infusion tube; the signal processor is connected to the sensor; the signal processor is also connected to the alarm device, and the method includes the following steps:
  • Step 501 Monitor pressure data, where the sensor is used to collect pressure data of an infusion tube where the sensor is located;
  • the senor is arranged on the infusion tube, and the sensor detects the change of the infusion tube where the sensor is located, outputs a detection signal, and passes the detection signal through A / D conversion (analogue-to-digital conversion). Obtain the pressure data, and send the pressure data to the signal processor, and use the signal processor to monitor the pressure data.
  • the sensor may be a pressure sensor, a Hall sensor, or the like.
  • a pressure sensor is used to detect the elastic deformation of the infusion tube where the pressure sensor is located to output a detection signal;
  • a Hall sensor is used to detect the displacement change of the infusion tube where the Hall sensor is located to output a detection signal.
  • Step 502 Determine whether a sudden change occurs in the pressure data
  • the trend change of the curve formed by the pressure data is gently attenuated, and may be a linear curve.
  • the abrupt change of the pressure data is determined by a trend change of a curve formed by the signal processor on the pressure data.
  • Step 503 If the pressure data is abrupt, perform calibration on the monitored pressure data
  • the infusion set roller 24 when the infusion set roller 24 is rolled, the infusion set roller 24 is opened or closed, and the pressure data may be abruptly changed.
  • Step 504 Send an alarm instruction to the alarm device according to the calibrated pressure data, so that the alarm device performs an alarm operation according to the alarm instruction.
  • sending an alarm instruction to the alarm device, so that the alarm device performs an alarm operation according to the alarm instruction specifically includes:
  • the signal processor After the signal processor detects that the calibrated pressure data is greater than or equal to a preset alarm threshold, it generates a corresponding alarm instruction, and sends the alarm instruction to the alarm device, and the alarm device performs an alarm according to the alarm instruction.
  • an alarm threshold is set in advance.
  • the preset threshold value indicates the maximum infusion safety value. When the calibrated pressure data is less than the alarm threshold value, it indicates that the current infusion status is safe. If the calibrated pressure data is greater than or equal to the alarm threshold value, it indicates that the current infusion status is unsafe. Alarms are needed to alert patients and medical staff.
  • the preset threshold may be modified according to actual conditions, for example, according to settings such as the physical fitness of the subject to be infused, the surrounding ambient temperature, and the like.
  • the alarm operation may include a voice warning and a light warning lamp.
  • a signal processor is used to monitor whether a sudden change occurs in pressure data of an infusion tube, wherein the sudden change in pressure data is determined by a trend change of a curve formed by the pressure data.
  • the monitored pressure data is calibrated to ensure the accuracy of the pressure data, and the accurate pressure data after calibration can be used to accurately determine whether the infusion line is clogged and occurs in the infusion line.
  • the alarm operation is performed in a timely and accurate manner.
  • FIG. 6 it is a schematic flowchart of the detailed steps of step 503 in the embodiment shown in FIG. 5, including:
  • Step 601 Monitor the state of the infusion set wheel according to the pressure data, wherein the state includes that the infusion set wheel is closed;
  • the senor collects and sends pressure data in real time
  • the signal processor receives and monitors the pressure data in real time.
  • the pressure data received by the signal processor is gently attenuated.
  • the corresponding monitoring time can form a curve of pressure data's gentle decay with the monitoring time.
  • the pressure data collected according to the elastic deformation will change abruptly; if the sensor is a Hall sensor, the pressure data collected according to the displacement change of the infusion tube will also change downward. According to the sudden change of pressure data, it is determined that the infusion device wheel is closed. As shown in FIG. 10, the pressure data abruptly changes from the Q point, which indicates that the infusion device wheel 24 is closed at the time point corresponding to the Q point, and the downward mutation time point corresponds to the time point when the infusion device wheel is closed.
  • Step 602 Obtain an instantaneous pressure value of an infusion tube where the sensor is located when the infusion device wheel is closed;
  • the pressure data is abruptly changed from the Q point, and the point Q at which the abrupt change occurs corresponds to the time point at which the infusion device wheel 24 is closed, and the value corresponding to the Q point is Instantaneous pressure value of the infusion tube 21 when closed.
  • Step 603 Calibrate the target pressure data according to the instantaneous pressure value, wherein the target pressure data is pressure data monitored during a period when the infusion device wheel is closed.
  • the calibration of the target pressure data according to the instantaneous pressure value is to replace the target pressure data with the instantaneous pressure value.
  • the instantaneous pressure value is a specific data on a change curve of pressure data that gradually decays with the monitoring time.
  • the target pressure data monitored during the closing of the infusion device roller is calibrated to ensure the accuracy of the monitored pressure data and avoid the abnormally changing pressure data that is caused by closing the infusion device roller 24.
  • FIG. 7 it is a schematic flowchart of an additional step in the embodiment shown in FIG. 6, including:
  • Step 701 Monitor the state of the infusion set wheel according to the pressure data, wherein the state includes that the infusion set wheel is open;
  • the target pressure data is calibrated according to the instantaneous pressure value
  • the pressure data is abruptly changed upward from the point P, which indicates that the time point corresponding to the point P is that the infusion device wheel 24 is opened, and the time point where the pressure is abruptly changed corresponds to the time point when the infusion device wheel 24 is opened.
  • Step 702 Stop the calibration of the monitored pressure data when it is detected that the infusion device wheel is turned on or within a preset time period after the infusion device wheel is monitored.
  • the infusion set roller 24 is opened at a time point corresponding to point P, and the pressure to be monitored is stopped from the time point corresponding to point P.
  • the data is replaced by the operation of the instantaneous pressure value, and the pressure data is continuously monitored.
  • the change curve formed by monitoring the pressure data and the corresponding monitoring time is used to determine the closing and opening of the infusion device wheel. If a sudden downward change in the change curve is detected, it indicates that the infusion device roller is closed and its downward sudden change time The point corresponds to the point in time when the infusion set wheel is closed. If a sudden upward change is detected in the change curve, it indicates that the infusion device wheel is turned on, and the time point of the upward change corresponds to the time point when the infusion device wheel is turned on.
  • the infusion set roller 24 is turned on at the time point corresponding to the point P, and the calibration of the monitored pressure data is stopped within a preset period of time.
  • the monitoring pressure data may be stopped from the time point corresponding to the point M Perform the calibration, or stop the calibration of the monitored pressure data from the time point corresponding to the N point.
  • the time period can be set and modified according to the actual situation.
  • the time period may need to be set according to the sensitivity of the sensor and other factors, for example, it can be 1 second, 2 seconds, 3 seconds, and so on.
  • whether a downward mutation or an upward mutation occurs can be determined by the slope of the curve. For example, if the slope is less than a first preset threshold, it indicates that a downward mutation has occurred.
  • the first preset threshold -40,- 50, -60, etc. are set and modified according to the actual situation; if the slope is greater than the second preset threshold value, it indicates that a sudden change occurs, wherein the second preset threshold value 40, 50, 60, etc. is set according to the actual situation Fix and modify.
  • the above infusion alarm method monitors the status of the infusion device wheel according to the pressure data.
  • the target pressure data monitored during the infusion device wheel is closed is calibrated.
  • the calibration of the monitored pressure data is stopped, thereby ensuring the accuracy of the pressure data within the period from when the infusion set wheel is closed to when it is opened.
  • the infusion line can be accurately determined Whether there is a blockage, and the alarm operation is performed in a timely and accurate manner when the infusion line is blocked.
  • FIG. 8 it is a schematic flowchart of an additional step in the embodiment shown in FIG. 6, including:
  • Step 801 Determine whether a downward mutation occurs in the pressure data
  • Step 802 If a downward mutation occurs, obtain a first inflection point value when the downward mutation occurs, and determine the first inflection point value as the instantaneous pressure value.
  • steps 801 and 802 are performed before step 603 in the embodiment shown in FIG. 6.
  • the sensor is a pressure sensor
  • the pressure data collected according to the elastic deformation will change abruptly; if the sensor is a Hall sensor, the pressure data collected according to the displacement change of the infusion tube will also change downward.
  • the first inflection point value when the downward change is determined is determined, and the first inflection point value is determined as the instantaneous pressure value.
  • the status of the infusion device wheel is monitored according to the pressure data.
  • the instantaneous pressure value of the infusion tube where the sensor is closed when the sensor is closed, and the target pressure data is replaced with the instantaneous pressure value to realize Calibrate the target pressure data monitored during the infusion set wheel shutdown, and monitor whether the infusion set wheel is turned on.
  • stop the calibration of the monitored pressure data to ensure that the infusion set wheel is closed to Open the accuracy of the pressure data within the time period.
  • steps in the flowcharts of FIGS. 5-8 are sequentially displayed in accordance with the directions of the arrows, these steps are not necessarily performed in the order indicated by the arrows. Unless explicitly stated herein, the steps are performed in a non-strict order, and the steps may be performed in other orders. Moreover, at least a part of the steps in FIG. 5-8 may include multiple sub-steps or stages. These sub-steps or stages are not necessarily performed at the same time, but may be performed at different times. These sub-steps or stages The execution order of is not necessarily performed sequentially, but may be performed in turn or alternately with at least a part of another step or a sub-step or stage of another step.
  • a computer device is provided.
  • the computer device may be a server, and its internal structure diagram may be as shown in FIG. 9.
  • the computer device includes a processor, a memory, a network interface, and a database connected through a system bus.
  • the processor of the computer device is used to provide computing and control capabilities.
  • the memory of the computer device includes a non-volatile storage medium and an internal memory.
  • the non-volatile storage medium stores an operating system, a computer program, and a database.
  • the internal memory provides an environment for running an operating system and computer programs in a non-volatile storage medium.
  • the computer equipment database is used to store pressure data.
  • the network interface of the computer device is used to communicate with an external terminal through a network connection.
  • the computer program is executed by a processor to implement an infusion alarm method.
  • FIG. 9 is only a block diagram of a part of the structure related to the scheme of the present application, and does not constitute a limitation on the computer equipment to which the scheme of the present application is applied.
  • the specific computer equipment may be Include more or fewer parts than shown in the figure, or combine certain parts, or have a different arrangement of parts.
  • a computer device which includes a memory and a processor.
  • the memory stores a computer program that can run on the processor.
  • the processor executes the computer program, the following steps are implemented:
  • Monitoring pressure data which is pressure data of the infusion tube where the sensor is collected using the sensor
  • the processor executes the computer program to further implement the following steps:
  • the sudden change of the pressure data is determined by a trend change of a curve formed by the signal processor to the pressure data.
  • the processor executes the computer program to further implement the following steps:
  • the target pressure data is calibrated according to the instantaneous pressure value, wherein the target pressure data is pressure data monitored during the closing of the infusion device wheel.
  • the processor executes the computer program to further implement the following steps:
  • the processor executes the computer program to further implement the following steps:
  • the target pressure data is replaced with the instantaneous pressure value.
  • the processor executes the computer program to further implement the following steps:
  • a computer-readable storage medium on which a computer program is stored.
  • the computer program is executed by a processor, the following steps are implemented:
  • Monitoring pressure data which is pressure data of the infusion tube where the sensor is collected using the sensor
  • the computer program when executed by the processor further implements the following steps:
  • the sudden change of the pressure data is determined by a trend change of a curve formed by the signal processor to the pressure data.
  • the computer program when executed by the processor further implements the following steps:
  • the target pressure data is calibrated according to the instantaneous pressure value, wherein the target pressure data is pressure data monitored during the closing of the infusion device wheel.
  • the computer program when executed by the processor further implements the following steps:
  • the computer program when executed by the processor further implements the following steps:
  • the target pressure data is replaced with the instantaneous pressure value.
  • the computer program when executed by the processor further implements the following steps:
  • Non-volatile memory may include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM), or flash memory.
  • Volatile memory can include random access memory (RAM) or external cache memory.
  • RAM is available in various forms, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), dual data rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous chain Synchlink DRAM (SLDRAM), memory bus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
  • SRAM static RAM
  • DRAM dynamic RAM
  • SDRAM synchronous DRAM
  • DDRSDRAM dual data rate SDRAM
  • ESDRAM enhanced SDRAM
  • SLDRAM synchronous chain Synchlink DRAM
  • Rambus direct RAM
  • DRAM direct memory bus dynamic RAM
  • RDRAM memory bus dynamic RAM

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Abstract

一种输液报警系统、方法、计算机设备和存储介质。系统包括：滴液室(20)、输液管(21)、输液泵体(22)、传感器(23)、输液器滚轮(24)、信号处理器(25)及报警器(26)；输液泵体(22)、传感器(23)及输液器滚轮(24)设置于输液管(21)上；信号处理器(25)与传感器(23)、报警器(25)相连接；传感器(23)用于采集传感器(23)所在处的输液管(21)的压力数据，并将压力数据发送至信号处理器(25)；信号处理器(25)用于监测压力数据，并在监测到压力数据突变时，对监测到的压力数据进行校准；其中，压力数据的突变是通过对压力数据构成的曲线的趋势变化确定的；信号处理器(25)还用于根据校准后的压力数据发送报警指令至报警器(25)；报警器(25)用于根据报警指令执行报警操作，从而可以准确根据校准后的压力数据执行报警操作。

Description

输液报警系统、方法、计算机设备和存储介质 技术领域
本申请涉及医疗器械技术领域，特别是涉及一种输液报警系统、方法、计算机设备和存储介质。
背景技术
在输液的过程中，需要利用传感器持续对输液管路进行压力监测，并对监测到的压力数据进行分析，以确定输液管路是否发生堵塞，若发生堵塞，则进行报警。
传统方法中，需要进行分析的压力数据就是传感器监测到压力数据，若监测到的压力数据不准确，对监测到的压力数据进行分析，得出的分析结果也可能是不准确的，导致无法准确确定输液管路是否发生堵塞，从而无法准确执行报警操作。
发明内容
基于此，提供一种根据校准后的压力数据执行报警操作的输液报警系统、方法、计算机设备和存储介质。
一种输液报警系统，所述系统包括：滴液室、输液管、输液泵体、传感器、输液器滚轮、信号处理器及报警器；所述输液管与所述滴液室连接；所述输液泵体、所述传感器及所述输液器滚轮设置于所述输液管上；所述信号处理器与所述传感器相连接；所述信号处理器还与所述报警器相连接；
所述传感器用于采集所述传感器所在处的输液管的压力数据，并将所述压力数据发送至所述信号处理器；
所述信号处理器用于监测所述压力数据，并在监测到所述压力数据突变时，对监测到的压力数据进行校准；所述信号处理器还用于根据所述校准后的压力数据发送报警指令至所述报警器；
所述报警器用于根据所述报警指令执行报警操作。
一种输液报警方法，所述输液报警方法适用于输液报警系统，所述输液报警系统包括：滴液室、输液管、输液泵体、传感器、输液器滚轮、信号处理器及报警器；所述输液管与所述滴液室连接；所述输液泵体、所述传感器及所述输液器滚轮设置于所述输液管上；所述信号处理器与所述传感器相连接；所述信号处理器还与所述报警器相连接，所述方法包 括：
监测压力数据，所述压力数据是利用所述传感器采集所述传感器所在处的输液管的压力数据；
判断所述压力数据是否发生突变；
若所述压力数据发生突变，则对监测到的压力数据进行校准；
根据所述校准后的压力数据发送报警指令至所述报警器，使得所述报警器根据所述报警指令执行报警操作。
一种计算机设备，包括存储器及处理器，所述存储器上存储有可在处理器上运行的计算机程序，所述处理器执行所述计算机程序时实现以下步骤：
监测压力数据，所述压力数据是利用所述传感器采集所述传感器所在处的输液管的压力数据；
判断所述压力数据是否发生突变；
若所述压力数据发生突变，则对监测到的压力数据进行校准；
在监测到所述校准后的压力数据大于预设报警阈值后，发送报警指令至所述报警器，使得所述报警器根据所述报警指令执行报警操作。
一种计算机可读存储介质，其上存储有计算机程序，所述计算机程序被处理器执行时实现以下步骤：
监测压力数据，所述压力数据是利用所述传感器采集所述传感器所在处的输液管的压力数据；
判断所述压力数据是否发生突变；
若所述压力数据发生突变，则对监测到的压力数据进行校准；
在监测到所述校准后的压力数据大于预设报警阈值后，发送报警指令至所述报警器，使得所述报警器根据所述报警指令执行报警操作。
上述输液报警系统、方法、计算机设备和存储介质，利用信号处理器监测输液管的压力数据是否发生突变，其中，压力数据的突变是通过对压力数据构成的曲线的趋势变化确定的。在监测到压力数据突变时，对监测到的压力数据进行校准，保证了压力数据的准确性，并利用校准后的准确的压力数据，可以及时准确执行报警操作。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请 的实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据公开的附图获得其他的附图。
图1为一个实施例中输液报警系统的应用环境图；
图2为一个实施例中输液报警系统的结构框图；
图3为一个实施例中输液报警系统中的各器件的排布图；
图4为一个实施例中输液报警系统中的各器件的另一排布图；
图5为一个实施例中输液报警方法的流程示意图；
图6为图5所示实施例中的步骤503的细化步骤的流程示意图；
图7为图6所示实施例中的追加步骤流程示意图；
图8为图6所示实施例中的另一追加步骤流程示意图；
图9为一个实施例中计算机设备的内部结构图；
图10为输液管的压力数据的变化曲线图。
具体实施方式
本申请提供的输液报警系统，可以应用于如图1所示的应用环境中。其中，输液报警系统包括：传感器10及信号处理器11。传感器10可通过无线网络连接或有线网络连接信号处理器11。传感器10设置在输液管上，利用传感器10检测传感器所在处的输液管的变化，输出检测信号，将检测信号经过A/D转换(analogue-to-digital conversion，模拟数字转换)得到压力数据，并将压力数据发送给信号处理器11。
其中，信号处理器11包含至少一个处理器111与存储器112。可选地，该处理器121可以为CPU(Central Processing Unit，中央处理器)、IPU(Intelligence Processing Unit，智能处理器)等等。其中，该信号处理器11内的存储器112内存储有校准程序，处理器111可以调用并运行存储器112内的校准程序，对传感器10发送的压力数据进行校准。
在一个实施例中，如图2所示，提供了一种输液报警系统的结构框图，所述系统包括：滴液室20、输液管21、输液泵体22、传感器23、输液器滚轮24、信号处理器25及报警器26；所述输液管21与所述滴液室20连接；所述输液泵体22、所述传感器23与所述输液器滚轮24设置于所述输液管21上；所述信号处理器25与所述传感器23相连接；所述信号处理器25还与所述报警器26相连接；
所述传感器23用于采集所述传感器23所在处的输液管21的压力数据，并将所述压力数据发送至所述信号处理器25；
所述信号处理器25用于监测所述压力数据，并在监测到所述压力数据突变时，对监 测到的压力数据进行校准；
所述信号处理器25还用于根据所述校准后的压力数据发送报警指令至所述报警器26；
所述报警器26用于根据所述报警指令执行报警操作。
在本发明实施例中，如图2所示的输液报警系统的结构框图，输液泵体22、传感器23与输液器滚轮24的位置不限于图2中排布位置，其排布位置可根据实际情况进行调整。
其中，传感器23可以是压力传感器、霍尔传感器等。利用压力传感器是检测压力传感器所在处的输液管的弹性形变从而输出检测信号；利用霍尔传感器是检测霍尔传感器所在处的输液管的位移变化从而输出检测信号。
其中，根据校准后的压力数据发送报警指令至报警器26具体包括：
信号处理器25在监测到校准后的压力数据大于或等于预设报警阈值后，产生相应的报警指令，并将该报警指令发送至报警器26，报警器26根据该报警指令进行报警。
其中，预先设置报警阈值。该预设阈值表示最大输液安全值，在校准后的压力数据小于该报警阈值时，表示当前是安全输液状态，若校准后的压力数据大于或等于该报警阈值，则表示当前是非安全输液状态，需要进行报警，以提醒患者及医护人员。其中，该预设阈值可根据实际情况修改，例如，根据被输液对象的身体素质、周围的环境温度等设定修改。
在本发明实施例中，信号处理器25用于监测传感器23上传的压力数据，具体的，信号处理器25通过对压力数据构成的曲线的趋势变化的监测确定压力数据是否发生突变，其中，压力数据的突变是通过对压力数据构成的曲线的趋势变化确定的。在压力数据发生突变的时候，对监测到的压力数据进行校准。例如，在将输液器滚轮24关闭的瞬间，压力数据会发生突变，则利用信号处理器25可以在压力数据发生突变的时候对监测到的压力数据进行校准。
利用信号处理器25监测输液管21的压力数据是否发生突变，其中，压力数据的突变是通过对压力数据构成的曲线的趋势变化确定的。在监测到压力数据突变时，对监测到的压力数据进行校准，保证了压力数据的准确性，并利用校准后的准确的压力数据，可以准确确定输液管路是否发生堵塞，在输液管路发生堵塞时及时准确执行报警操作。
在一个实施例中，如图3所示，提供了一种输液报警系统中的各器件的排布图，具体的：
所述输液泵体22包括泵装置221，所述传感器23设置于所述输液泵体22内；
所述泵装置221、所述传感器23以及所述输液器滚轮24沿所述输液管21依次设置。
在本发明实施例中，如图3所示，滴液室20的a端与输液管21的b1端相连接，输液管21的b2端与输液器滚轮24的c1端相接近，输液器滚轮24的c2端与传感器23的d1 端相接近，传感器23的d2端与泵装置221的e1端相接近，泵装置221的e2端与输液管21的b3端相靠近。
在一个实施例中，如图4所示，提供了一种输液报警系统中的各器件的另一排布图，具体的：
所述输液泵体22包括泵装置221，所述传感器23设置于所述输液泵体22内；
所述输液器滚轮24、所述传感器23以及所述泵装置221沿所述输液管依次设置。
在本发明实施例中，滴液室20的a端与输液管21的b1端相连接，输液管21的b2端与泵装置221的e1端相接近，泵装置221的e2端与传感器23的d1端相接近，传感器23的d2端与输液器滚轮24的c1端相接近，输液器滚轮24的c2端与输液管21的b3端相靠近。
在本发明实施例中，传感器23通常情况下会设置于输液泵体22内，传感器23与输液泵体22之间可以是可拆卸连接或不可拆卸连接。传感器23也可以不设置于输液泵体22内。
其中，为了监测输液器滚轮24的关闭与打开时引起的传感器23所在处的输液管21的压力数据，需要将输液器滚轮24和传感器23排布在泵装置221的同一侧。
可选的，信号处理器25用于：监测所述输液器滚轮状态，其中，所述状态包括输液器滚轮关闭；获取所述输液器滚轮关闭时所述传感器23所在处的输液管21的瞬时压力值；根据所述瞬时压力值对目标压力数据进行校准，其中，所述目标压力数据为所述输液器滚轮关闭期间监测到的压力数据。
可选的，信号处理器25还用于：根据所述压力数据监测所述输液器滚轮状态，其中，所述状态包括输液器滚轮打开；在监测到所述输液器滚轮打开时或者在监测到所述输液器滚轮打开后的预设时间段内，停止对监测到的压力数据进行校准。
可选的，所述信号处理器25还用于：判断所述压力数据是否发生向下突变；若发生向下突变，获取向下突变时的第一拐点值，将所述第一拐点值确定为所述瞬时压力值；将所述目标压力数据替换为所述瞬时压力值。
在本发明实施例中，传感器23实时采集并发送压力数据，信号处理器25实时接收并监测压力数据，在输液器滚轮24正常工作状态下，信号处理器25接收到的压力数据是平缓衰减的，若干压力数据与对应的监测时间可构成一个压力数据随监测时间平缓衰减的变化曲线。在输液器滚轮24关闭的一瞬间，导致输液器滚轮24与传感器23之间的液体突然减少，输液管21的弹性形变也会突然减少，同时输液管21也会产生相应的位移。若传感器23为压力传感器，则根据弹性形变采集到的压力数据会向下突变；若传感器23为霍 尔传感器，则根据输液管21的位移变化采集到的压力数据也会向下突变。在压力数据向下突变的时候，确定向下突变时的第一拐点值，如图10所示，将Q点对应的压力数据确定为第一拐点值，将第一拐点值确定为瞬时压力值。将目标压力数据替换为瞬时压力值。其中，目标压力数据为输液器滚轮关闭期间监测到的压力数据。其中，该瞬时压力值是压力数据随监测时间平缓衰减的变化曲线上的一个具体数据。将输液器滚轮24关闭期间监测到的压力数据替换为瞬时压力值，该校准方法保证了监测到的压力数据的平缓变化的，避免监测到因关闭输液器滚轮24而发生的非正常变化的压力数据。
其中，在将输液器滚轮24关闭期间监测到的压力数据替换为瞬时压力值的过程中，还需要实时监测输液器滚轮24的状态，确定输液器滚轮24是否被打开，若监测到输液器滚轮24打开，则停止将监测到的压力数据替换为瞬时压力值的操作，并继续监测压力数据；或者，若监测到输液器滚轮24打开，则在打开输液器滚轮24的预设时间段后，停止将监测到的压力数据替换为瞬时压力值的操作，并继续监测压力数据。
在本发明实施例中，通过监测压力数据与对应的监测时间所构成的变化曲线，确定输液器滚轮24的关闭与打开，若监测到变化曲线突然向下突变，如图10所示，从Q点开始压力数据向下突变，则表明Q点对应的时间点输液器滚轮24被关闭，其向下突变的时间点对应着输液器滚轮24关闭的时间点。若监测到变化曲线突然向上突变，如图10所示，从P点开始压力数据向上突变，则表明P点对应的时间点输液器滚轮24被打开，其向上突变的时间点对应着输液器滚轮24打开的时间点。
可选的，可通过曲线的斜率来确定是否发生向下突变或者向上突变，例如，若斜率小于第一预设阈值，则表明发生向下突变，其中，该第一预设阈值-40、-50、-60等等，根据实际情况设定及修改；若斜率大于第二预设阈值，则表明发生向上突变，其中，该第二预设阈值40、50、60等等，根据实际情况设定及修改。
上述输液报警系统，通过监测压力数据确定输液器滚轮状态，其中，输液器滚轮状态包括输液器滚轮关闭和输液器滚轮打开，在输液器滚轮24关闭时，获取关闭时的传感器23所在处的输液管21的瞬时压力值，将输液器滚轮24关闭期间监测到的压力数据替换为瞬时压力值，同时，还需要通过监测压力数据确定输液器滚轮24是否打开，若监测到输液器滚轮24打开，如图10所示，P点对应的时间点输液器滚轮24被打开，则从P点对应的时间点开始停止对监测到的压力数据进行校准，或者在打开输液器滚轮24的预设时间段后，停止对监测到的压力数据进行校准，如图10所示，P点对应的时间点输液器滚轮24被打开，预设时间段后停止对监测到的压力数据进行校准可以是从M点对应的时间点开始停止对监测到的压力数据进行校准，或者从N点对应的时间点开始停止对监测到的压 力数据进行校准，从而保证了压力数据的准确性，对校准后的准确的压力数据进行分析，可以准确确定输液管路是否发生堵塞，从而准确执行报警操作。
上述从输液器滚轮24打开时停止对监测到的压力数据进行校准，或者在打开输液器滚轮24的预设时间段后停止对监测到的压力数据进行校准，是根据传感器的灵敏度等因素进行灵活设置的。若传感器的灵敏度较低，则从P点到M点的数据有可能是垂直突变的，则直接在输液器滚轮24打开时停止对监测到的压力数据进行校准。若传感器的灵敏度较稿，则从P点到M点的数据可能是倾斜突变的，则需要在打开输液器滚轮24的预设时间段后停止对监测到的压力数据进行校准。
在一个实施例中，如图5所示，为一种输液报警方法的流程示意图，所述方法应用于图1所示的应用环境，所述输液报警方法适用于输液报警系统，所述输液报警系统包括：滴液室、输液管、输液泵体、传感器、输液器滚轮、信号处理器及报警器；所述输液管与所述滴液室连接；所述输液泵体、所述传感器及所述输液器滚轮设置于所述输液管上；所述信号处理器与所述传感器相连接；所述信号处理器还与所述报警器相连接，所述方法包括以下步骤：
步骤501、监测压力数据，所述压力数据是利用所述传感器采集所述传感器所在处的输液管的压力数据；
在本发明实施例中，传感器设置在输液管上，利用传感器检测传感器所在处的输液管的变化，输出检测信号，将检测信号经过A/D转换(analogue-to-digital conversion，模拟数字转换)得到压力数据，并将压力数据发送给信号处理器，利用信号处理器监测上述压力数据。
其中，传感器可以是压力传感器、霍尔传感器等。利用压力传感器是检测压力传感器所在处的输液管的弹性形变从而输出检测信号；利用霍尔传感器是检测霍尔传感器所在处的输液管的位移变化从而输出检测信号。
步骤502、判断所述压力数据是否发生突变；
在本发明实施例中，在正常输液状态下，压力数据构成的曲线的趋势变化是平缓衰减的，可为线性曲线。
其中，上述压力数据的突变是通过信号处理器对压力数据构成的曲线的趋势变化确定的。
步骤503、若所述压力数据发生突变，则对监测到的压力数据进行校准；
在本发明实施例中，在滚动输液器滚轮24时，使得输液器滚轮24打开或关闭，压力数据会发生突变。
步骤504、根据所述校准后的压力数据发送报警指令至所述报警器，使得所述报警器根据所述报警指令执行报警操作。
在本发明实施例中，在监测到校准后的压力数据大于预设报警阈值后，发送报警指令至报警器，使得报警器根据报警指令执行报警操作具体包括：
信号处理器在监测到校准后的压力数据大于或等于预设报警阈值后，产生相应的报警指令，并将该报警指令发送至报警器，报警器根据该报警指令进行报警。
其中，预先设置报警阈值。该预设阈值表示最大输液安全值，在校准后的压力数据小于该报警阈值时，表示当前是安全输液状态，若校准后的压力数据大于或等于该报警阈值，则表示当前是非安全输液状态，需要进行报警，以提醒患者及医护人员。其中，该预设阈值可根据实际情况修改，例如，根据被输液对象的身体素质、周围的环境温度等设定修改。
其中，该报警操作可包括语音警告、灯光警告灯。
上述输液报警方法，利用信号处理器监测输液管的压力数据是否发生突变，其中，压力数据的突变是通过对压力数据构成的曲线的趋势变化确定的。在监测到压力数据突变时，对监测到的压力数据进行校准，保证了压力数据的准确性，并利用校准后的准确的压力数据，可以准确确定输液管路是否发生堵塞，在输液管路发生堵塞时及时准确执行报警操作。
在一个实施例中，如图6所示，为图5所示实施例中的步骤503的细化步骤的流程示意图，包括：
步骤601、根据所述压力数据监测所述输液器滚轮状态，其中，所述状态包括输液器滚轮关闭；
在本发明实施例中，传感器实时采集并发送压力数据，信号处理器实时接收并监测压力数据，在输液器滚轮正常工作状态下，信号处理器接收到的压力数据是平缓衰减的，若干压力数据与对应的监测时间可构成一个压力数据随监测时间平缓衰减的变化曲线。在输液器滚轮关闭的一瞬间，导致输液器滚轮与传感器之间的液体突然减少，输液管的弹性形变也会突然减少，同时输液管也会产生相应的位移。若传感器为压力传感器，则根据弹性形变采集到的压力数据会向下突变；若传感器为霍尔传感器，则根据输液管的位移变化采集到的压力数据也会向下突变。根据压力数据向下突变，确定输液器滚轮关闭。如图10所示，从Q点开始压力数据向下突变，则表明Q点对应的时间点输液器滚轮24被关闭，其向下突变的时间点对应着输液器滚轮关闭的时间点。
步骤602、获取所述输液器滚轮关闭时所述传感器所在处的输液管的瞬时压力值；
在本发明实施例中，如图10所示，从Q点开始压力数据向下突变，其向下突变的时 间点Q点对应着输液器滚轮24关闭的时间点，Q点对应的数值即为关闭时的输液管21的瞬时压力值。
步骤603、根据所述瞬时压力值对目标压力数据进行校准，其中，所述目标压力数据为所述输液器滚轮关闭期间监测到的压力数据。
具体的，根据瞬时压力值对目标压力数据进行校准是将目标压力数据替换为瞬时压力值。
在本发明实施例中，该瞬时压力值是压力数据随监测时间平缓衰减的变化曲线上的一个具体数据。根据该瞬时压力值对输液器滚轮关闭期间监测到的目标压力数据进行校准，保证了监测到的压力数据的准确性，避免监测到因关闭输液器滚轮24而发生的非正常变化的压力数据。
在一个实施例中，如图7所示，为图6所示实施例中的追加步骤流程示意图，包括：
步骤701、根据所述压力数据监测所述输液器滚轮状态，其中，所述状态包括输液器滚轮打开；
在本发明实施例中，在根据瞬时压力值对目标压力数据进行校准的同时，还需要实时监测输液器滚轮是否被打开。如图10所示，从P点开始压力数据向上突变，则表明P点对应的时间点输液器滚轮24被打开，其向上突变的时间点对应着输液器滚轮24打开的时间点。
步骤702、在监测到所述输液器滚轮打开时或者在监测到所述输液器滚轮打开后的预设时间段内，停止对监测到的压力数据进行校准。
在本发明实施例中，若监测到输液器滚轮24打开，如图10所示，P点对应的时间点输液器滚轮24被打开，则从P点对应的时间点开始停止将监测到的压力数据替换为瞬时压力值的操作，并继续监测压力数据。
其中，通过监测压力数据与对应的监测时间所构成的变化曲线，确定输液器滚轮的关闭与打开，若监测到变化曲线突然向下突变，则表明输液器滚轮被关闭，其向下突变的时间点对应着输液器滚轮关闭的时间点。若监测到变化曲线突然向上突变，则表明输液器滚轮被打开，其向上突变的时间点对应着输液器滚轮打开的时间点。
在监测到输液器滚轮打开时停止对监测到的压力数据进行校准，或者，在监测到输液器滚轮打开时，不会立即停止校准，因为输液器滚轮打开之后的短时间内，该压力数据可能还是不平缓的，则需要在输液器滚轮打开后的预设时间段内，停止对监测到的压力数据进行校准。如图10所示，P点对应的时间点输液器滚轮24被打开，预设时间段内停止对监测到的压力数据进行校准可以是从M点对应的时间点开始停止对监测到的压力数据进 行校准，或者从N点对应的时间点开始停止对监测到的压力数据进行校准。
其中，时间段可以根据实际情况进行设定与修改，该时间段可能需要根据传感器的灵敏度等因素进行设置，例如，可以为1秒、2秒、3秒等。
可选的，可通过曲线的斜率来确定是否发生向下突变或者向上突变，例如，若斜率小于第一预设阈值，则表明发生向下突变，其中，该第一预设阈值-40、-50、-60等等，根据实际情况设定及修改；若斜率大于第二预设阈值，则表明发生向上突变，其中，该第二预设阈值40、50、60等等，根据实际情况设定及修改。
上述输液报警方法，根据压力数据监测输液器滚轮状态，在监测到输液器滚轮关闭时，对输液器滚轮关闭期间监测到的目标压力数据进行校准，同时，监测输液器滚轮是否打开，在监测到输液器滚轮打开时，停止对监测到的压力数据进行校准，从而保证了输液器滚轮关闭到打开时间段内的压力数据的准确性，利用校准后的准确的压力数据，可以准确确定输液管路是否发生堵塞，在输液管路发生堵塞时及时准确执行报警操作。
在一个实施例中，如图8所示，为图6所示实施例的追加步骤的流程示意图，包括：
步骤801、判断所述压力数据是否发生向下突变；
步骤802、若发生向下突变，获取向下突变时的第一拐点值，将所述第一拐点值确定为所述瞬时压力值。
在本发明实施例中，上述步骤801、步骤802在图6所示实施例中的步骤603之前执行。
在本发明实施例中，在输液器滚轮关闭的一瞬间，导致输液器滚轮24与传感器23之间的液体突然减少，输液管的弹性形变也会突然减少，同时输液管也会产生相应的位移。若传感器为压力传感器，则根据弹性形变采集到的压力数据会向下突变；若传感器为霍尔传感器，则根据输液管的位移变化采集到的压力数据也会向下突变。在压力数据向下突变的时候，确定向下突变时的第一拐点值，将第一拐点值确定为瞬时压力值。
上述输液报警方法，根据压力数据监测输液器滚轮状态，在监测到输液器滚轮关闭时，获取关闭时的传感器所在处的输液管的瞬时压力值，将目标压力数据替换为瞬时压力值，实现对输液器滚轮关闭期间监测到的目标压力数据进行校准，同时，监测输液器滚轮是否打开，在监测到输液器滚轮打开时，停止对监测到的压力数据进行校准，从而保证了输液器滚轮关闭到打开时间段内的压力数据的准确性，利用校准后的准确的压力数据，可以准确确定输液管路是否发生堵塞，在输液管路发生堵塞时及时准确执行报警操作。
应该理解的是，虽然图5-8的流程图中的各个步骤按照箭头的指示依次显示，但是这些步骤并不是必然按照箭头指示的顺序依次执行。除非本文中有明确的说明，这些步骤的 执行并没有严格的顺序限制，这些步骤可以以其它的顺序执行。而且，图5-8中的至少一部分步骤可以包括多个子步骤或者多个阶段，这些子步骤或者阶段并不必然是在同一时刻执行完成，而是可以在不同的时刻执行，这些子步骤或者阶段的执行顺序也不必然是依次进行，而是可以与其它步骤或者其它步骤的子步骤或者阶段的至少一部分轮流或者交替地执行。
在一个实施例中，提供了一种计算机设备，该计算机设备可以是服务器，其内部结构图可以如图9所示。该计算机设备包括通过系统总线连接的处理器、存储器、网络接口和数据库。其中，该计算机设备的处理器用于提供计算和控制能力。该计算机设备的存储器包括非易失性存储介质、内存储器。该非易失性存储介质存储有操作系统、计算机程序和数据库。该内存储器为非易失性存储介质中的操作系统和计算机程序的运行提供环境。该计算机设备的数据库用于存储压力数据数据。该计算机设备的网络接口用于与外部的终端通过网络连接通信。该计算机程序被处理器执行时以实现一种输液报警方法。
本领域技术人员可以理解，图9中示出的结构，仅仅是与本申请方案相关的部分结构的框图，并不构成对本申请方案所应用于其上的计算机设备的限定，具体的计算机设备可以包括比图中所示更多或更少的部件，或者组合某些部件，或者具有不同的部件布置。
在一个实施例中，提供了一种计算机设备，包括存储器及处理器，所述存储器上存储有可在处理器上运行的计算机程序，处理器执行计算机程序时实现以下步骤：
监测压力数据，所述压力数据是利用所述传感器采集所述传感器所在处的输液管的压力数据；
判断所述压力数据是否发生突变；
若所述压力数据发生突变，则对监测到的压力数据进行校准；
根据所述校准后的压力数据发送报警指令至所述报警器，使得所述报警器根据所述报警指令执行报警操作。
在一个实施例中，处理器执行计算机程序时还实现以下步骤：
所述压力数据的突变是通过信号处理器对压力数据构成的曲线的趋势变化确定的。
在一个实施例中，处理器执行计算机程序时还实现以下步骤：
根据所述压力数据监测所述输液器滚轮状态，其中，所述状态包括输液器滚轮关闭；
获取所述输液器滚轮关闭时所述传感器所在处的输液管的瞬时压力值；
根据所述瞬时压力值对目标压力数据进行校准，其中，所述目标压力数据为所述输液器滚轮关闭期间监测到的压力数据。
在一个实施例中，处理器执行计算机程序时还实现以下步骤：
根据所述压力数据监测所述输液器滚轮状态，其中，所述状态包括输液器滚轮打开；
在监测到所述输液器滚轮打开时或者在监测到所述输液器滚轮打开后的预设时间段内，停止对监测到的压力数据进行校准。
在一个实施例中，处理器执行计算机程序时还实现以下步骤：
将所述目标压力数据替换为所述瞬时压力值。
在一个实施例中，处理器执行计算机程序时还实现以下步骤：
判断所述压力数据是否发生向下突变；
若发生向下突变，获取向下突变时的第一拐点值，将所述第一拐点值确定为所述瞬时压力值。
在一个实施例中，提供了一种计算机可读存储介质，其上存储有计算机程序，计算机程序被处理器执行时实现以下步骤：
监测压力数据，所述压力数据是利用所述传感器采集所述传感器所在处的输液管的压力数据；
判断所述压力数据是否发生突变；
若所述压力数据发生突变，则对监测到的压力数据进行校准；
根据所述校准后的压力数据发送报警指令至所述报警器，使得所述报警器根据所述报警指令执行报警操作。
在一个实施例中，计算机程序被处理器执行时还实现以下步骤：
所述压力数据的突变是通过信号处理器对压力数据构成的曲线的趋势变化确定的。
在一个实施例中，计算机程序被处理器执行时还实现以下步骤：
根据所述压力数据监测所述输液器滚轮状态，其中，所述状态包括输液器滚轮关闭；
获取所述输液器滚轮关闭时所述传感器所在处的输液管的瞬时压力值；
根据所述瞬时压力值对目标压力数据进行校准，其中，所述目标压力数据为所述输液器滚轮关闭期间监测到的压力数据。
在一个实施例中，计算机程序被处理器执行时还实现以下步骤：
根据所述压力数据监测所述输液器滚轮状态，其中，所述状态包括输液器滚轮打开；
在监测到所述输液器滚轮打开时或者在监测到所述输液器滚轮打开后的预设时间段内，停止对监测到的压力数据进行校准。
在一个实施例中，计算机程序被处理器执行时还实现以下步骤：
将所述目标压力数据替换为所述瞬时压力值。
在一个实施例中，计算机程序被处理器执行时还实现以下步骤：
判断所述压力数据是否发生向下突变；
若发生向下突变，获取向下突变时的第一拐点值，将所述第一拐点值确定为所述瞬时压力值。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程，是可以通过计算机程序来指令相关的硬件来完成，所述的计算机程序可存储于一非易失性计算机可读取存储介质中，该计算机程序在执行时，可包括如上述各方法的实施例的流程。其中，本申请所提供的各实施例中所使用的对存储器、存储、数据库或其它介质的任何引用，均可包括非易失性和/或易失性存储器。非易失性存储器可包括只读存储器(ROM)、可编程ROM(PROM)、电可编程ROM(EPROM)、电可擦除可编程ROM(EEPROM)或闪存。易失性存储器可包括随机存取存储器(RAM)或者外部高速缓冲存储器。作为说明而非局限，RAM以多种形式可得，诸如静态RAM(SRAM)、动态RAM(DRAM)、同步DRAM(SDRAM)、双数据率SDRAM(DDRSDRAM)、增强型SDRAM(ESDRAM)、同步链路(Synchlink)DRAM(SLDRAM)、存储器总线(Rambus)直接RAM(RDRAM)、直接存储器总线动态RAM(DRDRAM)、以及存储器总线动态RAM(RDRAM)等。
以上实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本申请的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本申请构思的前提下，还可以做出若干变形和改进，这些都属于本申请的保护范围。因此，本申请专利的保护范围应以所附权利要求为准。

Claims (14)

  1. 一种输液报警系统，其特征在于，所述系统包括：滴液室、输液管、输液泵体、传感器、输液器滚轮、信号处理器及报警器；所述输液管与所述滴液室连接；所述输液泵体、所述传感器及所述输液器滚轮设置于所述输液管上；所述信号处理器与所述传感器相连接；所述信号处理器还与所述报警器相连接；
    所述传感器用于采集所述传感器所在处的输液管的压力数据，并将所述压力数据发送至所述信号处理器；
    所述信号处理器用于监测所述压力数据，并在监测到所述压力数据突变时，对监测到的压力数据进行校准；
    所述信号处理器还用于根据所述校准后的压力数据发送报警指令至所述报警器；
    所述报警器用于根据所述报警指令执行报警操作。
  2. 根据权利要求1所述的系统，其特征在于，所述压力数据的突变是通过对压力数据构成的曲线的趋势变化确定的。
  3. 根据权利要求1所述的系统，其特征在于，所述输液泵体包括泵装置，所述传感器设置于所述输液泵体内；
    所述泵装置、所述传感器以及所述输液器滚轮沿所述输液管依次设置；
    或者；
    所述输液器滚轮、所述传感器以及所述泵装置沿所述输液管依次设置。
  4. 根据权利要求1所述的系统，其特征在于，所述信号处理器用于：
    监测所述输液器滚轮状态，其中，所述状态包括输液器滚轮关闭；
    获取所述输液器滚轮关闭时所述传感器所在处的输液管的瞬时压力值；
    根据所述瞬时压力值对目标压力数据进行校准，其中，所述目标压力数据为所述输液器滚轮关闭期间监测到的压力数据。
  5. 根据权利要求4所述的系统，其特征在于，所述信号处理器还用于：
    根据所述压力数据监测所述输液器滚轮状态，其中，所述状态包括输液器滚轮打开；
    在监测到所述输液器滚轮打开时或者在监测到所述输液器滚轮打开后的预设时间段内，停止对监测到的压力数据进行校准。
  6. 根据权利要求4至5任意一项所述的系统，其特征在于，所述信号处理器还用于：
    判断所述压力数据是否发生向下突变；
    若发生向下突变，获取向下突变时的第一拐点值，将所述第一拐点值确定为所述瞬时 压力值；
    将所述目标压力数据替换为所述瞬时压力值。
  7. 一种输液报警方法，其特征在于，所述输液报警方法适用于输液报警系统，所述输液报警系统包括：滴液室、输液管、输液泵体、传感器、输液器滚轮、信号处理器及报警器；所述输液管与所述滴液室连接；所述输液泵体、所述传感器及所述输液器滚轮设置于所述输液管上；所述信号处理器与所述传感器相连接；所述信号处理器还与所述报警器相连接，所述方法包括：
    监测压力数据，所述压力数据是利用所述传感器采集所述传感器所在处的输液管的压力数据；
    判断所述压力数据是否发生突变；
    若所述压力数据发生突变，则对监测到的压力数据进行校准；
    根据所述校准后的压力数据发送报警指令至所述报警器，使得所述报警器根据所述报警指令执行报警操作。
  8. 根据权利要求7所述的方法，其特征在于，所述压力数据的突变是通过信号处理器对压力数据构成的曲线的趋势变化确定的。
  9. 根据权利要求7所述的方法，其特征在于，所述若所述压力数据发生突变，则对监测到的压力数据进行校准，包括：
    根据所述压力数据监测所述输液器滚轮状态，其中，所述状态包括输液器滚轮关闭；
    获取所述输液器滚轮关闭时所述传感器所在处的输液管的瞬时压力值；
    根据所述瞬时压力值对目标压力数据进行校准，其中，所述目标压力数据为所述输液器滚轮关闭期间监测到的压力数据。
  10. 根据权利要求7至9任一项所述的方法，其特征在于，所述则对监测到的压力数据进行校准，之后还包括：
    根据所述压力数据监测所述输液器滚轮状态，其中，所述状态包括输液器滚轮打开；
    在监测到所述输液器滚轮打开时或者在监测到所述输液器滚轮打开后的预设时间段内，停止对监测到的压力数据进行校准。
  11. 根据权利要求9所述的方法，其特征在于，所述根据所述瞬时压力值对目标压力数据进行校准，包括：
    将所述目标压力数据替换为所述瞬时压力值。
  12. 根据权利要求9或11所述的方法，其特征在于，所述根据所述瞬时压力值对目标压力数据进行校准，之前还包括：
    判断所述压力数据是否发生向下突变；
    若发生向下突变，获取向下突变时的第一拐点值，将所述第一拐点值确定为所述瞬时压力值。
  13. 一种计算机设备，包括存储器及处理器，所述存储器上存储有可在处理器上运行的计算机程序，其特征在于，所述处理器执行所述计算机程序时实现权利要求7至12中任一项所述方法。
  14. 一种计算机可读存储介质，其上存储有计算机程序，其特征在于，所述计算机程序被处理器执行时实现权利要求7至12中任一项所述的方法。
PCT/CN2018/096139 2018-07-18 2018-07-18 输液报警系统、方法、计算机设备和存储介质 Ceased WO2020014895A1 (zh)

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