CN106964022B - Infusion monitoring device - Google Patents
Infusion monitoring device Download PDFInfo
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- CN106964022B CN106964022B CN201710144532.6A CN201710144532A CN106964022B CN 106964022 B CN106964022 B CN 106964022B CN 201710144532 A CN201710144532 A CN 201710144532A CN 106964022 B CN106964022 B CN 106964022B
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- infusion
- turbidity
- liquid level
- liquid medicine
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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
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
- A61M5/1684—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion
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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
-
- 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
- A61M5/16886—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 for measuring fluid flow rate, i.e. flowmeters
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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
- A61M2005/1401—Functional features
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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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/18—General characteristics of the apparatus with alarm
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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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
Abstract
Infusion monitoring device belongs to medical monitoring field. The two sides of the infusion drip tube are respectively provided with a light beam emitter 1 and a photosensitive element array 2 above the liquid level of the infusion drip tube, and a turbidity and color difference detection module 3 is arranged below the liquid level of the infusion drip tube and on the same side as the photosensitive element array 2, so that light rays directionally emitted by the light beam emitter 1 can be received by the photosensitive element array 2 after being reflected by the liquid level in the infusion drip tube, and can be received by the turbidity and color difference detection module 3 after being refracted by the liquid level in the infusion drip tube; the photosensitive element array 2 detects the liquid drop speed of the medicine and the liquid level height in the infusion dropper, and the turbidity and chromatic aberration detection module 3 judges the type and quality of the medicine. The invention can carry out real-time remote monitoring on the liquid medicine dropping speed, type and quality, calculates and uploads the residual time and the residual quantity after the liquid medicine is completely transferred, realizes the remote control of the dropping speed, and safely blocks the liquid medicine when the liquid medicine is completely transferred or the liquid medicine type has problems.
Description
Technical Field
The invention relates to the field of medical monitoring, in particular to an infusion monitor.
Background
According to the statistics of the China safety injection alliance, china is unsafe to inject for killing 39 tens of thousands of people every year. Infusion is a commonly used injection mode, and is characterized in that: the process duration is long, and medical staff is not required to accompany under most conditions, but the medical staff is required to go to nursing immediately when inserting the needle, changing the liquid and pulling the needle. Especially, if medical staff can not process in time at the end, the liquid medicine flows out, the venous return of a patient can be caused, if the gas entering the infusion catheter below the dropper is not perceived, the liquid medicine can be injected into the vein along with the liquid medicine after the liquid change, and unnecessary pain and potential safety hazard are caused to the patient. In emergency situations, such as earthquake relief, if medical staff negligence causes liquid medicine errors or fails to find quality problems such as liquid medicine turbidity, color change and the like, serious medical accidents can be caused, and the life of a patient is endangered. Therefore, medical staff can control the infusion progress of patients in real time, and has important significance for checking the types of liquid medicine and detecting the quality.
Medical staff need to patrol back and forth between wards, observe patient's infusion progress, adjust the drip rate, the manual check liquid medicine kind observes liquid medicine quality. However, in actual hospitals, especially in the peak period of treatment, the medical staff is complicated and busy, the patients are often difficult to find in time when the liquid medicine is completely infused, and the patients or the accompanying family members are required to call actively. If the patient sleeps and is not accompanied by people, the medical staff is difficult to perceive the medical liquid after the medical liquid is completely infused. Meanwhile, the medical staff is difficult to predict the infusion time of the controllable liquid medicine, so that the nursing work of the medical staff lacks planning and ordering.
Disclosure of Invention
In order to solve the problems, the invention provides an infusion monitoring device which monitors infusion drip speed, liquid medicine type and liquid medicine quality of a patient, analyzes the residual quantity of the liquid medicine and the residual time after infusion, transmits information to a nurse station terminal through a wireless transmission module for summarizing, receives a command of the nurse station terminal to control the infusion drip speed, blocks an infusion pipeline when the liquid medicine is infused, and protects the safety of the patient.
The technical scheme of the invention is as follows:
the transfusion monitoring device comprises a supporting body, a transfusion tube containing a dropper is fixed in the supporting body,
the two sides of the drip tube of the infusion tube are respectively provided with a light beam emitter 1 and a photosensitive element array 2 above the liquid level of the drip tube, so that the light rays directionally emitted by the light beam emitter 1 can be received by the photosensitive element array 2 after being reflected by the liquid level in the drip tube;
a turbidity and color difference detection module 3 is arranged below the liquid level of the drip tube of the infusion tube and on the same side with the photosensitive element array 2, so that the light rays directionally emitted by the light beam emitter 1 can be received by the turbidity and color difference detection module 3 after being refracted by the liquid level in the drip tube;
the light beam emitter 1, the photosensitive element array 2 and the turbidity and chromatic aberration detection module 3 are connected with a computer;
the photosensitive element array 2 detects fluctuation and position data of the facula and transmits the fluctuation and position data to a computer for calculation and recording the liquid drop speed of the medicine and the liquid level height in the drip tube of the infusion tube;
the turbidity and color difference detection module 3 detects the light spot dispersion degree and the light color transmission, calculates the turbidity and color difference correlation coefficient for a computer, compares the calculated turbidity and color difference correlation coefficient with the liquid medicine data provided by the nurse station terminal, and judges the type and quality of the liquid medicine.
Specifically, the support body bottom is close to transfer line department still is provided with spout and motor 4, is provided with mobilizable pressure head 5 in the spout, motor 4 and pressure head 5 pass through gear and rack connection, and motor 4 is connected with the computer, drives pressure head 5 through computer control motor 4 and slides in the spout, extrudees the infusion pipe to different degrees, controls the drip speed.
Specifically, the surface of the supporting body is also provided with an alarm module 8, the alarm module 8 is connected with a computer, and the alarm module 8 alarms when the data acquired by the turbidity and color difference detection module 3 is not matched with the data of the terminal liquid medicine and the liquid level in the infusion tube is lower than the detection range.
Specifically, the surface of the supporting body is also provided with a key module 7, the key module 7 is connected with a computer, and instructions which can be input by the key module 7 comprise zero clearing, alarm releasing and liquid medicine volume selecting.
Specifically, the surface of the supporting body is also provided with a display module 6, the display module 6 is connected with a computer, and the display content of the display module 6 comprises the current medicine dropping speed, the residual medicine amount, the residual time, a control mode and alarm information.
Specifically, the back of the support body is also provided with a clamping device for clamping the infusion monitoring device on the infusion rod.
Specifically, the turbidity and chromatic aberration detection module 3 is a high-definition camera, and the photosensitive element is strip-shaped.
Specifically, still be provided with wireless transmission module in the support body, wireless transmission module connects computer and nurse station terminal, and the computer is through wireless transmission module to the terminal uploading of nurse station including operating condition, liquid medicine drip speed, remaining liquid medicine volume, anticipated completion time and patient call instruction information, and the control command control motor 4 that receives the terminal of nurse station drives pressure head 5 and controls infusion drip speed to block the transfer line when alarm module 8 reports to the police.
The beneficial effects of the invention are as follows: one incident ray can detect a plurality of groups of parameters such as dropping speed, liquid level height, turbidity, chromatic aberration, refractive index and the like; the support body can fix the dropper and hang or clamp the dropper on the infusion rod along with the dropper, so that the dropper is flexible and convenient to detach and has wider application range; the drop speed is detected by utilizing the light path change caused by the liquid level fluctuation, compared with a correlation type infrared sensor for detecting drops, the allowable deviation is larger when a dropper is arranged, and the light-sensitive element array 2 at the upper part of the liquid level and the turbidity and color difference detection module 3 at the lower part of the liquid level can detect the light path fluctuation at the same time, so that the reliability is high; the computer can calculate the liquid level height through the position of the reflected light rays measured by the photosensitive element array 2, and can primarily identify the type of the liquid medicine and judge the quality through the comparison of the liquid medicine parameters measured by the turbidity and color difference detection module 3 and a database; the motor 4 can block the infusion pipeline under the control of the computer when the liquid medicine is used up or the type of the liquid medicine is wrong, so that the safety of patients is protected; the wireless module can realize the transmission of the detected liquid medicine dripping speed and liquid medicine quality so as to calculate the information of the residual quantity, the expected infusion time and the like, and receive the dripping speed control signal of the terminal, thereby being beneficial to the real-time grasp and control of the infusion state of all patients by a nurse station, making a service path and improving the working efficiency.
Drawings
FIG. 1 is a schematic view of the structure and principle of an infusion monitoring device according to an embodiment of the invention;
reference numerals illustrate: 1-beam emitter, 2-photosensitive element array, 3-turbidity and color difference detection module, 4-motor, 5-pressure head, 6-display module, 7-key module and 8-alarm module
Detailed Description
The invention will now be described in detail with reference to the following illustrative examples. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way.
As shown in FIG. 1, the structure diagram of the infusion monitoring device provided by the invention comprises a support body, an infusion tube is fixed in the support body, and a light beam emitter 1 and a photosensitive element array 2 are respectively arranged at the positions, above the liquid level, in the infusion dropper on two sides of the infusion tube, so that light rays directionally emitted by the light beam emitter 1 can be received by the photosensitive element array 2 after being reflected by the liquid level in the infusion dropper; the turbidity and color difference detection module 3 is arranged below the liquid level in the infusion drip tube and at the same side with the photosensitive element array 2, so that the light rays directionally emitted by the light beam emitter 1 can be received by the turbidity and color difference detection module 3 after being refracted by the liquid level in the infusion drip tube; in this embodiment, the beam emitter 1, the photosensitive element array 2 and the turbidity and chromatic aberration detection module 3 are connected with a singlechip.
The bottom of the supporting body is also provided with a chute and a motor 4 close to the infusion tube, a movable pressure head 5 is arranged in the chute, the motor 4 and the pressure head 5 are connected through a gear and a rack, the motor 4 is connected with a single chip microcomputer, the motor 4 is controlled by the single chip microcomputer to drive the pressure head 5 to slide in the chute, the infusion catheter is extruded to different degrees, and the dripping speed is controlled.
The infusion monitoring device has the advantages that the dropper detection grooves can be formed in the support body, the size is based on the national standard of the infusion apparatus, the guide pipe grooves are formed in the upper end and the lower end of the connecting dropper detection grooves, the distance between the guide pipe grooves is smaller than the diameter of an infusion guide pipe, the dropper is prevented from being separated in the horizontal direction, the infusion monitoring device can be hung along with the infusion apparatus, and the infusion monitoring device is suitable for various practical conditions such as a vertical rod type infusion support and a ceiling hanging type infusion hook.
The back of the support body is also provided with a clamping device which clamps the transfusion detection device on the transfusion rod.
The beam emitter 1 emits concentrated light beams in a fixed angle orientation, the light is polychromatic light, and different colors of liquid can be detected only by using a color difference sensor of the turbidity color difference detection module when the polychromatic light is used.
The liquid level position in the infusion dropper is adjusted to a proper range by medical staff through squeezing the dropper.
The photosensitive element array 2 can receive reflected light rays obtained by liquid level reflection in the dropper, record the dropping speed and the liquid level according to the fluctuation frequency and the position of the light spot detected by the photosensitive element, and transmit the recorded light spot position to the singlechip. When the spot position fluctuates severely, judging that the liquid drops drop down, and calculating the dropping speed; and judging that the liquid medicine is completely infused when the light spot position recorded by the photosensitive element array is unchanged within a period of time. The total amount of the liquid medicine is obtained by manually setting or reading the medical record of the patient at the beginning, and the expected infusion time can be calculated according to the dripping speed in the working process.
The turbidity and chromatic aberration detection module 3 can receive refraction light obtained by refraction of liquid level in the dropper, and is essentially a special high-definition camera, the photosensitive element is in a strip shape, the traditional photosensitive element is in a round shape or a rectangular shape, for example, a photosensitive chip in the camera, and the length of the photosensitive element is larger than the width by several times. The single chip microcomputer calculates turbidity and chromatic aberration correlation coefficient through the detected facula chromatic dispersion degree and light color, compares the turbidity and chromatic aberration correlation coefficient with liquid medicine data downloaded in advance by the wireless module, and judges the type and quality of the liquid medicine. When the turbidity and color difference detection module 3 detects that the data is inconsistent with the normal data of medical liquor of a patient medical record, the type or quality of the medical liquor is judged to be abnormal.
The display contents of the display module 6 include the current medicine dropping speed, the residual medicine amount, the residual time, the control mode and alarm information.
The alarm module 8 alarms when the data acquired by the turbidity and color difference detection module 3 is not matched with the terminal liquid medicine data and the liquid level in the infusion dropper is lower than the detection range.
The singlechip uploads the information including the working state, the liquid medicine dripping speed, the residual liquid medicine amount, the expected completion time and the patient calling instruction to the nurse station terminal through the wireless transmission module, receives the control instruction, controls the motor 4 to drive the pressure head 5 to control the liquid medicine dripping speed, and blocks the infusion tube when the alarm module 8 alarms. In addition, the singlechip also receives control commands from the remote control and key module 7 in real time, and realizes functions of manual dripping speed control, parameter calibration, calling and the like.
The key module 7 comprises at least the following instructions: a zero clearing instruction, namely a zero clearing instruction input by medical staff when the liquid medicine is completely infused and replaced, and clearing counter data; a liquid medicine volume selection instruction is manually input into the actual conveying volume when the medical staff changes the liquid medicine; the alarm instruction is released, and the alarm of the alarm module can be manually released.
The calculation principle of the invention is as follows:
and reading the maximum and minimum coordinates of each received light signal photosensitive unit on each sampling time photosensitive element array.
Judging whether the liquid medicine is used up (or a pipeline is blocked): judging whether the coordinates are stable within a certain time (more than 2 s); if the liquid level is stable, the liquid level is static, the liquid medicine is used up or a pipeline is blocked, and an alarm is sent out.
Judging the liquid level position: and (3) calculating a coordinate mean value (namely a point on the reflected light path) in a period of time, wherein each liquid level position necessarily corresponds to a unique reflected light path, so that the actual liquid level coordinate is mapped according to a mapping table obtained through a pre-experiment.
Judging the infusion speed and the expected infusion completion time: when the coordinates exceeded a certain value determined experimentally, it was determined that the liquid level fluctuated severely, and the droplet was dropped, and the count value of the counter n=n+1. The time interval of the counter +1 is read, namely the time interval T(s) of two drops, and the drop speed Q (mL/min) =V0×60/T can be determined according to the average value V0 (mL) of the volume of each drop determined by experiments. According to the set total volume V (which can be set remotely through a terminal and set through a monitor button), the expected time for the end of infusion can be obtained: t=v/Q (min).
Judging the type of the liquid medicine: the image obtained by the turbidity and color difference detection module 3 at the lower part of the liquid level is read and sent to a terminal (nurse station computer), the terminal can access a medical database to find out the liquid medicine used by a patient, the liquid medicine image obtained by experiments in the database is called out, and the two images are compared, and as different liquid medicines have different turbidity and color differences, whether the actually used liquid medicine is consistent with the liquid medicine which should be used or is deteriorated can be judged.
Claims (7)
1. The transfusion monitoring device comprises a supporting body, a transfusion tube containing a dropper is fixed in the supporting body,
the liquid level detector is characterized in that two sides of the infusion tube dropper are respectively provided with a light beam emitter (1) and a photosensitive element array (2) above the liquid level of the dropper, so that light rays directionally emitted by the light beam emitter (1) can be received by the photosensitive element array (2) after being reflected by the liquid level in the dropper; recording the dropping speed and the liquid level according to the fluctuation frequency and the position of the light spot detected by the photosensitive element array (2), and transmitting the recorded light spot position to the singlechip;
a turbidity and color difference detection module (3) is arranged below the liquid level of the drip tube of the infusion tube and on the same side with the photosensitive element array (2), so that the light rays directionally emitted by the light beam emitter (1) can be received by the turbidity and color difference detection module (3) after being refracted by the liquid level in the drip tube;
the light beam emitter (1), the photosensitive element array (2) and the turbidity and color difference detection module (3) are connected with a computer;
the turbidity and color difference detection module (3) detects the light spot dispersion degree and the light color, transmits the light color and the light color dispersion degree and the light color difference correlation coefficient to a computer to calculate turbidity and color difference correlation coefficient, compares the calculated turbidity and color difference correlation coefficient with liquid medicine data provided by a nurse station terminal, and judges the type and quality of the liquid medicine;
the infusion support is characterized in that a chute and a motor (4) are further arranged at the bottom of the support body, which is close to the infusion tube, a movable pressure head (5) is arranged in the chute, the motor (4) and the pressure head (5) are connected through a gear and a rack, the motor (4) is connected with a computer, the motor (4) is controlled by the computer to drive the pressure head (5) to slide in the chute, the infusion catheter is extruded to different degrees, and the dropping speed is controlled.
2. The infusion monitoring device according to claim 1, wherein an alarm module (8) is further arranged on the surface of the support body, the alarm module (8) is connected with a computer, and the alarm module (8) alarms when the data acquired by the turbidity and color difference detection module (3) are not matched with the terminal liquid medicine data and the liquid level in the infusion tube is lower than a detection range.
3. The infusion monitoring device according to claim 2, wherein the surface of the support body is further provided with a key module (7), the key module (7) is connected with a computer, and the instructions which can be input by the key module (7) comprise clearing, alarm releasing and liquid medicine volume selecting.
4. The infusion monitoring device according to claim 2, wherein a display module (6) is further arranged on the surface of the support body, the display module (6) is connected with a computer, and display content of the display module (6) comprises current medicine dripping speed, residual medicine amount, residual time, control mode and alarm information.
5. An infusion monitoring device according to claim 1, wherein the back of the support body is further provided with clamping means for clamping the infusion monitoring device to the infusion rod.
6. The infusion monitoring device according to claim 1, wherein the turbidity and chromatic aberration detection module (3) is a high-definition camera, and the photosensitive element is a strip.
7. The infusion monitoring device according to any one of claims 1 to 6, wherein a wireless transmission module is further arranged in the support body, the wireless transmission module is connected with the computer and the nurse station terminal, the computer uploads information including working states, liquid medicine dripping speed, residual liquid medicine amount, expected completion time and patient calling instructions to the nurse station terminal through the wireless transmission module, and the control instruction of the nurse station terminal is received to control the motor (4) to drive the pressure head (5) to control the liquid medicine dripping speed, and the infusion tube is blocked when the alarm module (8) alarms.
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| CN201710144532.6A CN106964022B (en) | 2017-03-13 | 2017-03-13 | Infusion monitoring device |
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| CN201710144532.6A CN106964022B (en) | 2017-03-13 | 2017-03-13 | Infusion monitoring device |
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| CN106964022B true CN106964022B (en) | 2023-05-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110269971A (en) * | 2018-03-16 | 2019-09-24 | 京东方科技集团股份有限公司 | Intelligent infusion control device |
| CN109692381B (en) * | 2018-12-29 | 2021-02-12 | 中国人民解放军陆军军医大学第一附属医院 | Intelligent transfusion detection control system |
| CN111375103B (en) * | 2020-03-27 | 2020-12-25 | 四川大学 | Intravenous infusion safety monitoring device and using method thereof |
| CN112915316A (en) * | 2021-01-19 | 2021-06-08 | 上海市第十人民医院 | Infusion control system |
| CN113491806B (en) * | 2021-09-10 | 2021-11-09 | 南通华恩医疗设备制造有限公司 | Medical data variable measurement monitoring method and system based on big data |
| CN115154756A (en) * | 2022-07-07 | 2022-10-11 | 中国人民解放军陆军军医大学第一附属医院 | Automatic infusion management device |
| CN116764028A (en) * | 2023-08-14 | 2023-09-19 | 首都医科大学宣武医院 | Microinjection system |
| CN117379631A (en) * | 2023-11-21 | 2024-01-12 | 中国航天科工集团七三一医院 | Injection auxiliary device |
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