CN111558107A - Infusion monitoring device and monitoring control method - Google Patents

Infusion monitoring device and monitoring control method Download PDF

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Publication number
CN111558107A
CN111558107A CN202010433977.8A CN202010433977A CN111558107A CN 111558107 A CN111558107 A CN 111558107A CN 202010433977 A CN202010433977 A CN 202010433977A CN 111558107 A CN111558107 A CN 111558107A
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CN
China
Prior art keywords
infusion
time
processor
alarm
liquid medicine
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Pending
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CN202010433977.8A
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Chinese (zh)
Inventor
佟丽娜
刘镕恺
许秋岩
王振翀
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China University of Mining and Technology Beijing CUMTB
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China University of Mining and Technology Beijing CUMTB
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Application filed by China University of Mining and Technology Beijing CUMTB filed Critical China University of Mining and Technology Beijing CUMTB
Priority to CN202010433977.8A priority Critical patent/CN111558107A/en
Publication of CN111558107A publication Critical patent/CN111558107A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168Means 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
    • A61M5/16831Monitoring, detecting, signalling or eliminating infusion flow anomalies
    • A61M5/1684Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion
    • A61M5/16845Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion by weight
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/18General characteristics of the apparatus with alarm

Abstract

The invention relates to an infusion monitoring device and a monitoring control method. The infusion monitoring device comprises: the system comprises a patient-side device and a nurse-side device, wherein the patient-side device and the nurse-side device are in wireless communication connection; the patient-side device includes: the system comprises a patient information acquisition device, a tension acquisition device, a first human-computer interaction module, a first wireless communication module and a first processor; nurse end device includes: the second processor, the second man-machine interaction module and the second wireless communication module; the patient information acquisition device, the tension acquisition device, the first human-computer interaction module and the first wireless communication module are all connected with the first processor; the second wireless communication module and the second human-computer interaction module are both connected with the second processor. The invention monitors the infusion process in real time and alarms the imminent completion of the infusion and the abnormal infusion state under the condition of not polluting the liquid medicine, thereby bringing convenience to patients, family members and medical care personnel.

Description

Infusion monitoring device and monitoring control method
Technical Field
The invention relates to the technical field of intelligent medical equipment, in particular to an infusion monitoring device and a monitoring control method.
Background
China has a large population, large hospital wards are full of patients, the number of infusion seats in community hospitals is large, but relatively few nurses are needed, so that medical staff cannot monitor the infusion condition of each patient in real time, and generally, family members accompany the patients or the patients check the patients all the time to prevent unsafe conditions such as untimely termination of infusion liquid medicine, edema or needle displacement from being discovered in time, the nursing burden is increased for the patients and the family members, the medical experience of the patients is influenced, and the danger is increased.
At present, some monitoring equipment is available at home and abroad, for example: (1) the infusion control device is connected with the processor, the alarm device and the infusion control device, and the processor triggers the alarm device to give an alarm and controls the infusion control device to stop infusion if infusion is finished. (2) The drip speed detection device comprises a drip speed detection device and a processor, the processor receives the drip speed detected by the drip speed detection device and transmits the drip speed to a nurse end, and the drip speed or the flow can often pollute liquid medicine due to the need of detection. (3) The infusion alarm device comprises a weight detection device and an alarm, the weight of liquid medicine detected by the weight detection device is used for judging the residual liquid medicine, the alarm is triggered when the residual liquid medicine is insufficient, the application range of the infusion alarm device is more the condition of the completion of the infusion, the whole infusion process is not recorded and analyzed, and the patient cannot be warned under the abnormal infusion conditions such as edema or needle displacement. Therefore, how to realize real-time monitoring of the infusion process and alarm of abnormal infusion state under the condition of no pollution to the liquid medicine is a problem to be solved urgently at present.
Disclosure of Invention
The invention aims to provide an infusion monitoring device and a monitoring control method, which realize real-time monitoring of the infusion process and alarm of the completion of the infusion and abnormal infusion states under the condition of no pollution to liquid medicine, and bring convenience to patients, family members and medical care personnel.
In order to achieve the purpose, the invention provides the following scheme:
an infusion monitoring device comprising: a patient-side device and a nurse-side device, the patient-side device and the nurse-side device being in wireless communication connection;
the patient-side device includes: the system comprises a patient information acquisition device, a tension acquisition device, a first human-computer interaction module, a first wireless communication module and a first processor;
the nurse end device comprises: the second processor, the second man-machine interaction module and the second wireless communication module;
the patient information acquisition device, the tension acquisition device, the first human-computer interaction module and the first wireless communication module are all connected with the first processor; the patient information acquisition device is used for acquiring patient information, wherein the patient information comprises a patient bed/seat number, a patient name and medicine information used by a patient; the tension collecting device is used for collecting the total weight of the liquid medicine, the infusion bag and the infusion tube in real time; the first processor is used for calculating the weight of the liquid medicine at the current moment according to the total weight of the liquid medicine at the current moment, the infusion bag and the infusion tube and the packaging weight, and the packaging weight is the total weight of the infusion bag and the infusion tube; the first processor is also used for calculating the infusion speed at the current moment and the time from the end of infusion according to the calculation cycle set in the system, the weight of the liquid medicine at the last moment and the weight of the liquid medicine at the current moment, wherein the last moment and the current moment are separated by one calculation cycle; the first processor is further used for controlling the first human-computer interaction module to alarm according to an internally stored lowest infusion alarm threshold, the weight of the liquid medicine at the current moment, the time of ending the infusion and a first preset alarm time; the lowest transfusion alarm threshold value is the weight of the remaining liquid medicine when the remaining liquid medicine accounts for one third of the drip cup, and the first preset alarm time is the preset alarm time of the patient end at the first human-computer interaction module; the first processor is further used for controlling the first human-computer interaction module to display the time for ending the distance infusion and the first preset alarm time; the first processor is further used for sending the patient information to the second processor at an initial moment, and sending the bed/seat number, the time of ending the distance infusion and the infusion speed at the current moment in the patient information to the second processor after the initial moment;
the second wireless communication module and the second human-computer interaction module are connected with the second processor, the second processor is used for judging whether the infusion speed continuously decreases within an abnormal infusion time interval set by the system and controlling the second human-computer interaction module to give an alarm according to a judgment result, the time of finishing infusion and the second preset alarm time, the second preset alarm time is the alarm time preset by the second human-computer interaction module at a nurse end, the second processor is further used for controlling the second human-computer interaction module to display the second preset alarm time, the time of finishing infusion, an infusion speed change curve and the patient information, and the infusion speed change curve is obtained by drawing the second processor according to the infusion speed at each moment.
Optionally, the first human-computer interaction module includes: the first alarm device, the first key module and the first display device; the first alarm device, the first key module and the first display device are all connected with the first processor; the first alarm device is used for performing sound-light alarm, the first key module is used for setting first preset alarm time and canceling alarm operation, and the first display device is used for displaying the time of ending the distance infusion and the first preset alarm time.
Optionally, the second human-computer interaction module includes: the second alarm device, the second key module and the second display device; the second alarm device, the second key module and the second display device are all connected with the second processor; the second alarm device is used for performing sound-light alarm, the second key module is used for setting second preset alarm time and canceling alarm operation, and the second display device is used for displaying the second preset alarm time, the time of ending infusion at a distance, the infusion speed change curve and the patient information.
Optionally, the patient information acquisition device is a code scanner.
An infusion monitoring control method is applied to the infusion monitoring device, and comprises the following steps:
if the current time is the initial time, the first processor transmits the acquired patient information to the second processor, calculates the packaging weight according to the relationship between the total weight of the liquid medicine, the infusion bag and the infusion tube at the initial time and the specification and the packaging weight of the infusion bag stored in the first processor, and calculates and stores the weight of the initial liquid medicine according to the packaging weight and the total weight of the liquid medicine, the infusion bag and the infusion tube at the initial time; the total weight of the liquid medicine at the initial moment, the infusion bag and the infusion tube is acquired by the tension acquisition device at the initial moment, and the package weight is the total weight of the infusion bag and the infusion tube; the second processor acquires and stores the patient information transmitted by the first processor;
if the current moment is a moment after the initial moment, the first processor calculates the weight of the liquid medicine at the current moment according to the weight of the package and the total weight of the liquid medicine, the infusion bag and the infusion tube at the current moment; the total weight of the liquid medicine, the infusion bag and the infusion tube at the current moment is acquired by the tension acquisition device at the current moment;
the first processor calculates the infusion speed at the current moment according to an internally set calculation period, the weight of the liquid medicine at the current moment and the weight of the liquid medicine at the last moment, and calculates the time of ending the infusion according to the infusion speed at the current moment and the weight of the liquid medicine at the current moment; the previous time and the current time are separated by a calculation period;
the first processor transmits the bed/seat number, the time of ending the distance infusion and the infusion speed at the current moment to the second processor, and controls the time of ending the distance infusion to be displayed on a first human-computer interaction module;
the first processor judges whether the weight of the liquid medicine at the current moment is less than or equal to a lowest infusion alarm threshold value to obtain a first judgment result, wherein the lowest infusion alarm threshold value is the weight of the liquid medicine when the remaining liquid medicine accounts for one third of the drip cup; if the first judgment result is yes, triggering the first human-computer interaction module to sound and alarm, and controlling the first human-computer interaction module to display the time of ending the distance infusion in a color-changing or flickering mode until the alarm is cancelled manually; if the first judgment result is negative, judging whether the time from the end of infusion reaches a first preset alarm time to obtain a second judgment result; the first preset alarm time is set by the patient end at the first human-computer interaction module;
if the second judgment result is yes, triggering the first human-computer interaction module to give an alarm, controlling the first human-computer interaction module to display the time of finishing the infusion in a color-changing or flickering mode, updating the current moment, and returning to the step that the first processor calculates the weight of the liquid medicine at the current moment according to the package weight and the total weight of the liquid medicine at the current moment, the infusion bag and the infusion tube until the alarm is manually cancelled; if the second judgment result is that the time from the end of infusion does not reach the first preset alarm time, updating the current time, and returning to the step that the first processor calculates the weight of the liquid medicine at the current time according to the package weight and the total weight of the liquid medicine at the current time, the infusion bag and the infusion tube;
the second processor acquires and stores the bed/seat number, the time of ending the distance transfusion and the transfusion speed at the current moment, which are transmitted by the first processor;
the second processor draws an infusion speed change curve according to the infusion speed at each moment, and displays the patient bed/seat number, the time of finishing infusion at the distance, the infusion speed at the current moment and the infusion speed change curve on a second human-computer interaction module;
the second processor judges whether the time from the end of infusion reaches a second preset alarm time or not to obtain a third judgment result; the second preset alarm time is set by the nurse end in the second man-machine interaction module; if the third judgment result is yes, triggering the second human-computer interaction module to sound and alarm, and controlling the second human-computer interaction module to display the time of ending the infusion in a color-changing or flickering mode until the alarm is cancelled manually; if the third judgment result is negative, judging whether the transfusion speed is continuously reduced within the abnormal transfusion time interval set by the system before the current moment to obtain a fourth judgment result;
if the fourth judgment result is yes, controlling the second human-computer interaction module to sound and alarm, controlling the second human-computer interaction module to display the time of finishing the distance infusion in a color changing or flashing mode until the alarm is canceled manually, and returning to the second processor to obtain and store the bed/seat number, the time of finishing the distance infusion and the infusion speed at the current moment, which are transmitted by the first processor; if the fourth judgment result is negative, returning to the step that the second processor acquires and stores the bed/seat number, the time for ending the distance transfusion and the transfusion speed at the current moment, which are transmitted by the first processor.
Optionally, the calculation period is 1 second.
Optionally, the abnormal infusion time interval is set internally in the system and is 3 minutes to 5 minutes.
Optionally, the first processor calculates the infusion speed at the current moment according to an internally set calculation cycle, the weight of the liquid medicine at the current moment and the weight of the liquid medicine at the last moment, specifically:
and dividing the difference between the weight of the liquid medicine at the last moment and the weight of the liquid medicine at the current moment by the calculation period to obtain the infusion speed at the current moment.
Optionally, the calculating the time from the end of infusion according to the infusion speed at the current moment and the weight of the liquid medicine at the current moment specifically comprises:
and dividing the weight of the liquid medicine at the current moment by the infusion speed at the current moment to obtain the time of ending the infusion at the distance.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects: according to the invention, the pulling force acquisition device is arranged, the acquired weight of the residual liquid medicine at the last moment and the acquired weight of the residual liquid medicine at the current moment are combined and calculated to obtain the infusion speed and the time from the end of infusion, so that the patient and a nurse are reminded when the infusion of the patient is about to be ended or abnormal infusion occurs.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic view of an infusion monitoring device according to embodiment 1 of the present invention;
FIG. 2 is a flow chart of a patient-side infusion monitoring device in accordance with example 1 of the present invention;
fig. 3 is a flow chart of the usage of the nurse-side infusion monitoring device in the embodiment 1 of the invention.
Description of the symbols:
100-patient end device, 101-tension acquisition device, 102-first processor, 103-first human-computer interaction module, 104-first wireless communication module, 105-patient information acquisition device, 106-second wireless communication module, 107-second processor, 108-second human-computer interaction module, 109-nurse end device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide an infusion monitoring device and a monitoring control method. According to the invention, by arranging the tension collecting device, the collected weight of the liquid medicine at the last moment and the collected weight of the liquid medicine at the current moment are combined and calculated to obtain the infusion speed and the time away from the end of infusion, so that the patient and the nurse are reminded when the infusion of the patient reaches the preset alarm time of the patient and the nurse or abnormal infusion occurs, compared with the prior art that the alarm cannot be given out when abnormal infusion occurs, the invention monitors the infusion process in real time and gives an alarm to the abnormal infusion state under the condition of no liquid medicine pollution, and brings convenience to the patient, family members and medical care personnel.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example 1
As shown in fig. 1, the infusion monitoring device provided in this embodiment includes: a patient end device 100 and a nurse end device 109, wherein the patient end device 100 and the nurse end device 109 are connected in a wireless communication mode. The patient-side device 100 includes: the system comprises a patient information acquisition device 105, a tension acquisition device 101, a first human-computer interaction module 103, a first wireless communication module 104 and a first processor 102; the tension collecting device 101 is located at the top end of the infusion rod, the detection end of the tension collecting device is connected with the hook and used for hanging an infusion bag, the measuring range of the tension collecting device is more than 4 kilograms so as to meet the requirement of infusion of 3 liters of nutrient solution, and the precision of the tension collecting device is higher than 0.05 gram so as to meet the requirement of a slow dropping speed of 20 drops/ml. The first human-computer interaction module 103 may include: the first alarm device, the first key module and the first display device; the first alarm device, the first key module and the first display device are all connected with the first processor 102; the first alarm device is used for performing sound-light alarm, the first key module is used for setting first preset alarm time and canceling alarm operation, and the first display device is used for displaying the time of ending the distance infusion and the first preset alarm time.
The nurse-side device 109 includes: a second processor 107, a second human-computer interaction module 108 and a second wireless communication module 106. Wherein the second human-computer interaction module 108 may include: the second alarm device, the second key module and the second display device; the second alarm device, the second key module and the second display device are all connected with the second processor 107; the second alarm device is used for performing sound-light alarm, the second key module is used for setting second preset alarm time and canceling alarm operation, and the second display device is used for displaying the second preset alarm time, the time of ending infusion at a distance, the infusion speed change curve and the patient information.
The patient information acquisition device 105, the tension acquisition device 101, the first human-machine interaction module 103 and the first wireless communication module 104 are all connected with the first processor 102; the patient information acquisition device 105 is used for acquiring patient information, the patient information can be acquired from patient information pasted on an infusion bag, a wrist strap of a patient or a bar code of a prescription, and the patient information comprises a patient bed/seat number, a patient name and medicine information used by the patient; the tension collecting device 101 is used for collecting the total weight of the liquid medicine, the infusion bag and the infusion tube in real time; the first processor 102 is configured to calculate the weight of the liquid medicine at the current moment according to the total weight of the liquid medicine at the current moment, the infusion bag and the infusion tube and a packaging weight, where the packaging weight is the total weight of the infusion bag and the infusion tube; the first processor 102 is further configured to calculate the infusion speed at the current moment and the time from the end of infusion according to an internally set calculation cycle, the weight of the liquid medicine at the previous moment and the weight of the liquid medicine at the current moment, the previous moment and the current moment are separated by a calculation cycle, and the calculation cycle is preset by a system and is set according to the adult common dripping speed required in nursing science. The first processor 102 is further configured to control the first human-computer interaction module 103 to alarm according to a lowest infusion alarm threshold value stored inside, the weight of the liquid medicine at the current moment, the time of ending the infusion at the distance, and a first preset alarm time; the lowest infusion alarm threshold is the weight of the liquid medicine when the remaining liquid medicine accounts for one third of the weight of the drip cup, and is set as the lowest alarm threshold in the nursing science when the liquid medicine is left at 1/3 of the drip cup, wherein the first preset alarm time is the preset alarm time of the first human-computer interaction module 103 at the patient end; the first processor 102 is further configured to control the first human-computer interaction module 103 to display the time when the distance infusion ends and the first preset alarm time; the first processor 102 is further configured to send the patient information to the second processor 107 at an initial time, and send the bed/seat number, the time of ending the distance infusion, and the infusion speed at the current time in the patient information to the second processor 107 after the initial time.
The second wireless communication module 106 and the second human-computer interaction module 108 are both connected to the second processor 107, the second processor 107 is configured to determine whether the infusion speed is continuously decreased within an abnormal infusion time interval set by the system, and control the second human-computer interaction module 108 to alarm according to a determination result, the time when infusion is finished and a second preset alarm time, where the second preset alarm time is preset by a nurse end in the second human-computer interaction module 108, the second processor 107 is further configured to control the second human-computer interaction module 108 to display the second preset alarm time, the time when infusion is finished, an infusion speed change curve and the patient information, and the infusion speed change curve is obtained by the second processor 107 according to the infusion speed at each moment.
As an alternative embodiment, the patient information acquisition device 105 is a barcode scanner.
As an alternative embodiment, the tension detecting device 101 is a tension sensor.
And when the first preset alarm time or the second preset alarm time set manually is lower than the default minimum alarm time, the alarm time is considered invalid, and the default minimum alarm time of the system is adopted. After the time of a nurse for going to a ward and preparing articles is fully considered, the nurse manually sets a second preset alarm time, the second man-machine interaction module displays all the bed/seat numbers and the infusion remaining time in real time, and when the infusion remaining time of a certain bed or seat reaches the set alarm time, the displayed bed number (or seat number) changes color and flicks and sounds to alarm; the nurse clicks the bed number, the display screen jumps out of the infusion curve window, the information of the patient and the medicine and the infusion speed curve from the beginning are displayed, so that the nurse can monitor the infusion condition in real time, and when the infusion speed changes suddenly or continuously drops for more than 3-5 minutes (the time interval for judging abnormal infusion is set by the system), the nurse is also alarmed in the same way to prompt the nurse that the infusion process is abnormal (such as needle displacement).
The first processor 102 and the second processor 107 can be implemented by common general processors, and can also be implemented by a single chip, a DSP, a PLC and the like to reduce power consumption and cost; such as the full family of processors of STM32 and STM32 microsystems.
In practical applications, a flow chart of the usage of a patient-side infusion monitoring device in the infusion monitoring device is shown in fig. 2.
Step 201: and starting.
And pressing a start key on the first human-computer interaction module to start working.
Step 202: the code is scanned and the information of the bed/seat number, the patient and the medicine is input.
The bed/seat number of the patient, the patient and the medicine information are acquired by the code scanner and saved to the first processor.
Step 203: and transmitting to a nurse station.
The bed/seat number, patient and drug information is sent to the nurse station device.
Step 204: setting transfusion alarm time TP
If not, the default time of the system is used, and the default time can be set according to the actual conditions of various hospitals, such as 2 minutes set by a patient end; during the infusion process TPCan be reset at any time and displays T in the first human-computer interaction moduleP
Step 205: and judging the specification of the infusion bag.
And judging the specification of the infusion bag to obtain the total weight M of the infusion bag and the infusion tube. Hanging the infusion bag on a hook of a tension collecting device, and measuring the initial total weight M0(total weight of the drug solution, the infusion bag and the infusion tube); here the total weight of the empty infusion bag and infusion tube needs to be stored in advance: the total weight of 100ml transfusion bag and transfusion tube is M1The total weight of the 250ml transfusion bag and the transfusion tube is M2The total weight of the 500ml transfusion bag and the transfusion tube is M3The total weight of the 1000ml transfusion bag and the transfusion tube is M4The total weight of a 3000ml transfusion bag and a transfusion tube is M5
When 100 g is less than or equal to M0If < 250 g, judging M ═ M1
When 250 g is less than or equal to M0If < 500 g, judging that M is M2
When the weight of the mixture is less than or equal to 500 g, M0When < 1000 g, judging M is M ═ M3
When 1000 g is less than or equal to M0When < 3000 g, judging that M is M4
When M is less than or equal to 3000 g0When M is equal to M5. Note: the weight of the needle is not included, the specifications of the needle are different, but a part of the needle is in the human body and cannot generate pulling force on the pulling force acquisition device; the weight of the infusion pump can be ignored, and the infusion pump can support the weight of the infusion pump by an object and can not generate pulling force on the pulling force collecting device.
Step 206: the initial weight of the liquid medicine is calculated.
From the formula m0=M0-M calculating the initial weight M of the liquid medicine0Wherein M is the total weight of the infusion bag and the infusion tube. M0Is the initial total weight (total weight of the liquid medicine, the infusion bag and the infusion tube).
Step 207: timing T0
System every T0The time is calculated into one-time transfusion speed and transfusion remaining time, and the requirements of adult transfusion speed commonly used in nursing science and system power consumption reduction as much as possible are comprehensively considered, for example, the adult commonly used transfusion speed is 60-80 drops per minute, and the setting time can be selected to be 1 second.
Step 208: and calculating the weight m of the liquid medicine at the current moment.
By the formula M ═ MALLM calculating the weight of the liquid medicine at the current moment, wherein MALLIs the total weight of the infusion bag, the infusion tube and the liquid medicine at the current moment measured by the tension collecting device.
Step 209: and calculating the remaining infusion time t and the infusion speed v at the current moment.
Note T0The mass of the liquid medicine immediately before the time is m0The infusion speed at the current moment isBy the formulaAnd calculating the remaining infusion time t, and displaying the remaining infusion time t at the first human-computer interaction module.
Step 210: and transmitting to a nurse station.
And transmitting the bed/seat number, the transfusion remaining time t and the transfusion speed v at the current moment to a nurse end.
Step 211: judging whether M is less than or equal to MT
The set mass value MTThe weight of the liquid inside the infusion tube as it comes to the drip chamber 1/3.
The nursing requires that the infusion be terminated when the liquid medicine is left at 1/3 of the drip chamber, and the weight M of the liquid in the infusion tube when the liquid is fed into the drip chamber 1/3 can be estimated by taking water as an exampleTThe infusion liquid is stored in advance, the density of the liquid medicine is slightly larger than that of water, but the difference is not too much, so that the safety accident cannot be caused by taking the water as an example, and the minimum infusion remaining time required by a system is set. When M is less than or equal to MTWhen the minimum remaining infusion time is reached, the system proceeds to step 212, otherwise to step 214.
Step 212: and alarming until the manual cancellation.
The alarm is continued until the alarm is canceled manually, and then the step 213 is entered, wherein the alarm mode sounds for the first human-computer interaction module, and the remaining time of the infusion in the first human-computer interaction module is displayed in a color-changing or flashing mode.
Step 213: and (6) ending.
And (5) finishing the infusion, storing the bed/seat number, the patient, the medicine information and the total infusion time, and finishing the program.
Step 214: judging whether the residual infusion time T reaches the alarm time T set by the patient endP
If T is less than or equal to TPThen the alarm goes to step 215, otherwise go to step 207 to continue monitoring.
Step 215: and (6) alarming.
The alarm mode is that the first human-computer interaction module makes a sound and the infusion remaining time in the first human-computer interaction module changes colorOr flashing until the alarm is canceled manually. If no one cancels the alarm manually, the infusion condition is continuously monitored, and the step 207 is switched to; if the alarm time T is changedPIf the condition of step 214 is not met, the alarm is not given any more, otherwise, the alarm is continued to reduce the safety accidents.
In practical application, a flow chart of the nurse-side infusion monitoring device in the infusion monitoring device is shown in fig. 3.
Step 301: and starting.
And pressing a start key on the second man-machine interaction module to start working.
Step 302: receiving information: bed/seat number, patient and drug information.
The information is received to indicate that the patient on the bed/seat number is about to start transfusion, and the bed/seat number of the patient is displayed in the second human-computer interaction module.
Step 303: setting transfusion alarm time TN
As the nurse needs to arrive at the ward, the nurse fully considers the actual situation setting when setting the time; if not, the default time of the system is used, and the default time can be set according to the actual conditions of various hospitals; during the infusion process TNCan be reset at any time and displays T in the second human-computer interaction moduleN
Step 304: receiving information: bed/seat number, infusion remaining time t and velocity v.
Step 305: and displaying the information and drawing a transfusion speed curve.
The nurse end manages a plurality of patients, so that the nurse end only displays the bed/seat number at ordinary times, and when the nurse clicks the bed/seat number on the screen, a new window is popped up to display the bed/seat number, the patient information, the medicine information, the residual infusion time T and the alarm time TNAnd the infusion speed v from the start to the current time.
Step 306: judging whether T is less than or equal to TN
If T is less than or equal to TNThen go to step 307, otherwise go to step 309 to continue monitoring.
Step 307: and alarming until the manual cancellation.
Continuing to alarm until the alarm is canceled manually, and then entering step 308, wherein the alarm mode is that the second man-machine interaction module makes a sound and the remaining infusion time and the bed/seat number in the second man-machine interaction module are displayed in a color-changing or flashing mode until the alarm is canceled manually.
Step 308: and (6) ending.
And storing the bed/seat number, the patient, the medicine information, the total infusion time and the infusion speed at all times, and ending the program.
Step 309: and judging whether v is abnormal or not.
If v changes suddenly or drops continuously for a period of time (e.g., 5 minutes), an abnormality (e.g., needle dislodgement, etc.) occurs in the infusion process, and the process proceeds to step 310, otherwise the process proceeds to step 304 for further monitoring. Injecting; sampling time interval T used in calculation0In line with the patient side.
Step 310: and (6) alarming.
And continuing to alarm until the alarm is canceled manually, and simultaneously turning to the step 304 to continue monitoring, wherein the alarm mode is that the second human-computer interaction module makes a sound, and the remaining infusion time and the bed/seat number in the second human-computer interaction module are displayed in a color-changing or flashing mode.
This embodiment is for saving cost, easy operation, uses simple display device at the patient end, only shows apart from the time that the infusion ended and the first alarm time of predetermineeing of setting, need show all patients 'infusion information at nurse's end, needs great touch-sensitive screen.
The infusion monitoring device of this embodiment can gather the quality of the liquid medicine at the present moment in real time through the pulling force collection device, calculate the infusion speed at the present moment and the time of ending the distance infusion through the first processor, and feed back the time of ending the distance infusion to the patient and the nurse end. The patient end and the nurse end can set different remaining time alarm threshold values to control the first human-computer interaction module and the second human-computer interaction module to alarm, the nurse end can observe the infusion speed change curve of the patient in real time to observe the infusion condition of the patient, and alarm to remind a nurse when the infusion speed change curve changes seriously. The device has the characteristics of simple structure, convenient operation, no pollution to liquid medicine, low power consumption, safety, reliability, improvement on the treatment comfort and reduction in the nursing cost of family members and medical care personnel.
Example 2
The embodiment provides an infusion monitoring control method applied to the infusion monitoring device in embodiment 1, and the method includes:
s1: if the current time is the initial time, the first processor transmits the acquired patient information to the second processor, calculates the packaging weight according to the relationship between the total weight of the liquid medicine, the infusion bag and the infusion tube at the initial time and the specification and the packaging weight of the infusion bag stored in the first processor, and calculates and stores the weight of the initial liquid medicine according to the packaging weight and the total weight of the liquid medicine, the infusion bag and the infusion tube at the initial time; the total weight of the liquid medicine at the initial moment, the infusion bag and the infusion tube is acquired by the tension acquisition device at the initial moment, and the package weight is the total weight of the infusion bag and the infusion tube; the second processor acquires and stores the patient information transmitted by the first processor.
S2: if the current moment is a moment after the initial moment, the first processor calculates the weight of the liquid medicine at the current moment according to the weight of the package and the total weight of the liquid medicine, the infusion bag and the infusion tube at the current moment; the total weight of the liquid medicine, the infusion bag and the infusion tube at the current moment is acquired by the tension acquisition device at the current moment.
S3: the first processor calculates the infusion speed at the current moment according to an internally set calculation period, the weight of the liquid medicine at the current moment and the weight of the liquid medicine at the last moment, and calculates the time of ending the infusion according to the infusion speed at the current moment and the weight of the liquid medicine at the current moment; the last time is separated from the current time by a calculation period, and the calculation period can be set according to the common dripping speed of the adult transfusion, for example, the calculation period can be set to be 1 second.
The first processor calculates the infusion speed at the current moment according to an internally set calculation cycle, the weight of the liquid medicine at the current moment and the weight of the liquid medicine at the last moment, and specifically comprises the following steps: and dividing the difference between the weight of the liquid medicine at the last moment and the weight of the liquid medicine at the current moment by the calculation period to obtain the infusion speed at the current moment. The method comprises the following steps of calculating the time from the end of infusion according to the infusion speed at the current moment and the weight of liquid medicine at the current moment, and specifically comprises the following steps: and dividing the weight of the liquid medicine at the current moment by the infusion speed at the current moment to obtain the time of ending the infusion at the distance.
S4: the first processor transmits the bed/seat number, the time of ending the distance infusion and the infusion speed at the current moment to the second processor, and controls the time of ending the distance infusion to be displayed on a first human-computer interaction module.
S5: the first processor judges whether the weight of the liquid medicine at the current moment is less than or equal to a lowest infusion alarm threshold value to obtain a first judgment result, wherein the lowest infusion alarm threshold value is the weight of the liquid medicine when the remaining liquid medicine accounts for one third of the drip cup. If the first judgment result is yes, triggering the first human-computer interaction module to sound and alarm, and controlling the first human-computer interaction module to display the time of ending the distance infusion in a color-changing or flickering mode until the alarm is cancelled manually. If the first judgment result is negative, judging whether the time from the end of infusion reaches a first preset alarm time to obtain a second judgment result; the first preset alarm time is set by the patient end at the first human-computer interaction module.
S6: if the second judgment result is yes, triggering the first human-computer interaction module to give an alarm, controlling the first human-computer interaction module to display the time of finishing the infusion in a color-changing or flickering mode, updating the current moment, and returning to the step of calculating the weight of the liquid medicine at the current moment by the first processor according to the package weight and the total weight of the liquid medicine at the current moment, the infusion bag and the infusion tube until the alarm is cancelled manually. And if the second judgment result is that the time from the end of infusion does not reach the first preset alarm time, updating the current moment, and returning to the step that the first processor calculates the weight of the liquid medicine at the current moment according to the package weight and the total weight of the liquid medicine at the current moment, the infusion bag and the infusion tube.
S7: the second processor acquires and stores the bed/seat number, the time of ending the infusion and the infusion speed at the current moment, which are transmitted by the first processor.
S8: and the second processor draws an infusion speed change curve according to the infusion speed at each moment, and displays the patient bed/seat number, the time of finishing infusion at the distance, the infusion speed at the current moment and the infusion speed change curve on a second human-computer interaction module.
S9: the second processor judges whether the time from the end of infusion reaches a second preset alarm time or not to obtain a third judgment result; the second preset alarm time is set by the nurse end at the second human-computer interaction module. If the third judgment result is yes, triggering the second human-computer interaction module to sound and alarm, and controlling the second human-computer interaction module to display the time of ending the infusion in a color-changing or flickering mode until the alarm is cancelled manually. And if the third judgment result is negative, judging whether the infusion speed is continuously reduced within an abnormal infusion time interval set by the system before the current moment to obtain a fourth judgment result, wherein the abnormal infusion time interval is 3-5 minutes.
S10: and if the fourth judgment result is yes, controlling the second human-computer interaction module to sound and alarm, controlling the second human-computer interaction module to display the time of finishing the distance infusion in a color changing or flashing mode until the alarm is canceled manually, and returning to the step that the second processor acquires and stores the bed/seat number, the time of finishing the distance infusion and the infusion speed at the current moment, which are transmitted by the first processor. If the fourth judgment result is negative, returning to the step that the second processor acquires and stores the bed/seat number, the time for ending the distance transfusion and the transfusion speed at the current moment, which are transmitted by the first processor.
The infusion monitoring method of the embodiment monitors the infusion process in real time and gives an alarm for abnormal infusion state under the condition of no pollution to liquid medicine, and brings convenience to patients, family members and medical care personnel.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.

Claims (9)

1. An infusion monitoring device, comprising: a patient-side device and a nurse-side device, the patient-side device and the nurse-side device being in wireless communication connection;
the patient-side device includes: the system comprises a patient information acquisition device, a tension acquisition device, a first human-computer interaction module, a first wireless communication module and a first processor;
the nurse end device comprises: the second processor, the second man-machine interaction module and the second wireless communication module;
the patient information acquisition device, the tension acquisition device, the first human-computer interaction module and the first wireless communication module are all connected with the first processor; the patient information acquisition device is used for acquiring patient information, wherein the patient information comprises a patient bed/seat number, a patient name and medicine information used by a patient; the tension collecting device is used for collecting the total weight of the liquid medicine, the infusion bag and the infusion tube in real time; the first processor is used for calculating the weight of the liquid medicine at the current moment according to the total weight of the liquid medicine at the current moment, the infusion bag and the infusion tube and the packaging weight, and the packaging weight is the total weight of the infusion bag and the infusion tube; the first processor is also used for calculating the infusion speed at the current moment and the time from the end of infusion according to an internally set calculation cycle, the weight of the liquid medicine at the last moment and the weight of the liquid medicine at the current moment, wherein the last moment and the current moment are separated by a calculation cycle; the first processor is further used for controlling the first human-computer interaction module to alarm according to an internally stored lowest infusion alarm threshold, the weight of the liquid medicine at the current moment, the time of ending the infusion and a first preset alarm time; the lowest transfusion alarm threshold value is the weight of the remaining liquid medicine when the remaining liquid medicine accounts for one third of the drip cup, and the first preset alarm time is the preset alarm time of the patient end at the first human-computer interaction module; the first processor is further used for controlling the first human-computer interaction module to display the time for ending the distance infusion and the first preset alarm time; the first processor is further used for sending the patient information to the second processor at an initial moment, and sending the bed/seat number, the time of ending the distance infusion and the infusion speed at the current moment in the patient information to the second processor after the initial moment;
the second wireless communication module and the second human-computer interaction module are connected with the second processor, the second processor is used for judging whether the infusion speed continuously decreases within an abnormal infusion time interval set by the system and controlling the second human-computer interaction module to give an alarm according to a judgment result, the time of finishing infusion and the second preset alarm time, the second preset alarm time is the alarm time preset by the second human-computer interaction module at a nurse end, the second processor is further used for controlling the second human-computer interaction module to display the second preset alarm time, the time of finishing infusion, an infusion speed change curve and the patient information, and the infusion speed change curve is obtained by drawing the second processor according to the infusion speed at each moment.
2. The infusion monitoring device of claim 1, wherein the first human-machine interaction module comprises: the first alarm device, the first key module and the first display device; the first alarm device, the first key module and the first display device are all connected with the first processor; the first alarm device is used for performing sound-light alarm, the first key module is used for setting first preset alarm time and canceling alarm operation, and the first display device is used for displaying the time of ending the distance infusion and the first preset alarm time.
3. The infusion monitoring device of claim 1, wherein said second human-machine interaction module comprises: the second alarm device, the second key module and the second display device; the second alarm device, the second key module and the second display device are all connected with the second processor; the second alarm device is used for performing sound-light alarm, the second key module is used for setting second preset alarm time and canceling alarm operation, and the second display device is used for displaying the second preset alarm time, the time of ending infusion at a distance, the infusion speed change curve and the patient information.
4. The infusion monitoring device of claim 1, wherein said patient information acquisition device is a barcode scanner.
5. An infusion monitoring control method applied to the infusion monitoring device according to any one of claims 1-4, the method comprising:
if the current time is the initial time, the first processor transmits the acquired patient information to the second processor, calculates the packaging weight according to the relationship between the total weight of the liquid medicine, the infusion bag and the infusion tube at the initial time and the specification and the packaging weight of the infusion bag stored in the first processor, and calculates and stores the weight of the initial liquid medicine according to the packaging weight and the total weight of the liquid medicine, the infusion bag and the infusion tube at the initial time; the total weight of the liquid medicine at the initial moment, the infusion bag and the infusion tube is acquired by the tension acquisition device at the initial moment, and the package weight is the total weight of the infusion bag and the infusion tube; the second processor acquires and stores the patient information transmitted by the first processor;
if the current moment is a moment after the initial moment, the first processor calculates the weight of the liquid medicine at the current moment according to the weight of the package and the total weight of the liquid medicine, the infusion bag and the infusion tube at the current moment; the total weight of the liquid medicine, the infusion bag and the infusion tube at the current moment is acquired by the tension acquisition device at the current moment;
the first processor calculates the infusion speed at the current moment according to an internally set calculation period, the weight of the liquid medicine at the current moment and the weight of the liquid medicine at the last moment, and calculates the time of ending the infusion according to the infusion speed at the current moment and the weight of the liquid medicine at the current moment; the previous time and the current time are separated by a calculation period;
the first processor transmits the bed/seat number, the time of ending the distance infusion and the infusion speed at the current moment to the second processor, and controls the time of ending the distance infusion to be displayed on a first human-computer interaction module;
the first processor judges whether the weight of the liquid medicine at the current moment is less than or equal to a lowest infusion alarm threshold value to obtain a first judgment result, wherein the lowest infusion alarm threshold value is the weight of the liquid medicine when the remaining liquid medicine accounts for one third of the drip cup; if the first judgment result is yes, triggering the first human-computer interaction module to sound and alarm, and controlling the first human-computer interaction module to display the time of ending the distance infusion in a color-changing or flickering mode until the alarm is cancelled manually; if the first judgment result is negative, judging whether the time from the end of infusion reaches a first preset alarm time to obtain a second judgment result; the first preset alarm time is set by the patient end at the first human-computer interaction module;
if the second judgment result is yes, triggering the first human-computer interaction module to give an alarm, controlling the first human-computer interaction module to display the time of finishing the infusion in a color-changing or flickering mode, updating the current moment, and returning to the step that the first processor calculates the weight of the liquid medicine at the current moment according to the package weight and the total weight of the liquid medicine at the current moment, the infusion bag and the infusion tube until the alarm is manually cancelled; if the second judgment result is that the time from the end of infusion does not reach the first preset alarm time, updating the current time, and returning to the step that the first processor calculates the weight of the liquid medicine at the current time according to the package weight and the total weight of the liquid medicine at the current time, the infusion bag and the infusion tube;
the second processor acquires and stores the bed/seat number, the time of ending the distance transfusion and the transfusion speed at the current moment, which are transmitted by the first processor;
the second processor draws an infusion speed change curve according to the infusion speed at each moment, and displays the patient bed/seat number, the time of finishing infusion at the distance, the infusion speed at the current moment and the infusion speed change curve on a second human-computer interaction module;
the second processor judges whether the time from the end of infusion reaches a second preset alarm time or not to obtain a third judgment result; the second preset alarm time is set by the nurse end in the second man-machine interaction module; if the third judgment result is yes, triggering the second human-computer interaction module to sound and alarm, and controlling the second human-computer interaction module to display the time of ending the infusion in a color-changing or flickering mode until the alarm is cancelled manually; if the third judgment result is negative, judging whether the transfusion speed is continuously reduced within the abnormal transfusion time interval set by the system before the current moment to obtain a fourth judgment result;
if the fourth judgment result is yes, controlling the second human-computer interaction module to sound and alarm, controlling the second human-computer interaction module to display the time of finishing the distance infusion in a color changing or flashing mode until the alarm is canceled manually, and returning to the second processor to obtain and store the bed/seat number, the time of finishing the distance infusion and the infusion speed at the current moment, which are transmitted by the first processor; if the fourth judgment result is negative, returning to the step that the second processor acquires and stores the bed/seat number, the time for ending the distance transfusion and the transfusion speed at the current moment, which are transmitted by the first processor.
6. The infusion monitoring control method according to claim 5, wherein the calculation period is 1 second.
7. The infusion monitoring and control method according to claim 5, wherein the abnormal infusion time interval is 3 minutes to 5 minutes.
8. The infusion monitoring and controlling method according to claim 5, wherein the first processor calculates the infusion speed at the current time according to the internally set calculation cycle, the weight of the liquid medicine at the current time and the weight of the liquid medicine at the last time, and specifically comprises:
and dividing the difference between the weight of the liquid medicine at the last moment and the weight of the liquid medicine at the current moment by the calculation period to obtain the infusion speed at the current moment.
9. The infusion monitoring and control method according to claim 5, wherein the calculating of the time from the end of infusion according to the infusion speed at the current moment and the weight of the liquid medicine at the current moment comprises:
and dividing the weight of the liquid medicine at the current moment by the infusion speed at the current moment to obtain the time from the current moment to the end of infusion.
CN202010433977.8A 2020-05-21 2020-05-21 Infusion monitoring device and monitoring control method Pending CN111558107A (en)

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