CN107349487A - A kind of intravenous transfusion monitoring equipment and warning system - Google Patents

Abstract

The invention discloses an intravenous transfusion monitoring device and an alarm system. The device includes: an infusion mechanism, and the infusion mechanism is sequentially provided with a bottle inserting needle, a drip funnel, a hose, a liquid medicine filter and an intravenous infusion needle, wherein, A fixing piece is arranged between the dripping funnel and the hose, the fixing piece includes a housing, and an enlarged structure is arranged on the outer wall of the housing; a detection mechanism, the detection mechanism includes a fixed base and is arranged on the The accommodating cavity above the fixed base is provided with a liquid level detection unit in the accommodating cavity, and the liquid level detection unit includes a magnifying lens, a lens group and a photosensitive element sequentially arranged from outside to inside. The invention collects image information during infusion, monitors the infusion state in real time, analyzes and processes the real-time state of infusion, and informs relevant personnel in multiple ways in time, and has the advantages of high detection accuracy, strong practicability, and strong anti-interference ability as a whole.

Description

A kind of intravenous infusion monitoring equipment and alarm system

technical field

The invention relates to the medical field, in particular to an intravenous transfusion monitoring device and an alarm system.

Background technique

As an important part of current medical activities, intravenous infusion plays a decisive role in the prevention and treatment of diseases. Especially for hospitalized patients, infusion is an important task for their treatment. At present, during the use of the intravenous infusion set used by most medical institutions, the patient or family members need to monitor the infusion situation during the infusion process, so as to detect the infusion completion, reflux, etc. in time, and then call the medical staff through the call button Treatment, to a certain extent, increases the mental burden of patients and their families and affects rest. Therefore, it is very important to research and develop a method that can monitor the status of intravenous infusion, collect information and feed it back to medical personnel in time, so that it can be processed in time and eliminate the harm.

For example, the patent literature with the publication number CN205007376U provides a "infusion monitoring device", which is used to monitor the liquid entering the infusion dripping funnel from the infusion tube, including a droplet speed detection unit arranged at the infusion dripping funnel, and The controller connected with the droplet speed detection unit, and the infusion adjustment mechanism arranged at the infusion tube upstream of the infusion drip funnel to receive the control signal of the controller to adjust the size of the flow section of the infusion tube; The display module is connected with the controller, and the alarm module is activated by receiving the control signal of the controller. In general, it can monitor the infusion status, control the flow rate, facilitate the medical staff to grasp the infusion status, and arrange the time reasonably. However, the anti-interference ability is poor, and it is used as a stand-alone machine. There is no systematic and perfect reaction chain, and it does not allow medical staff to understand patients in real time. situation, deal with it in a timely manner.

Another example is that the patent literature with the publication number CN106730162A provides "an intelligent infusion alarm device and system", the device includes a housing, an alarm circuit and a remote controller wirelessly connected to the alarm circuit, wherein the alarm circuit includes: a controller, a drip speed Detector, wireless liquid level detector, timer, wireless communication module, LCD touch screen and sound and light alarm, dripping speed detector is used to detect the dripping speed of the medicine liquid in Murphy's dropper; wireless liquid level detector is used to detect the dripping speed of the infusion bottle or The liquid level height of the liquid medicine in the infusion bag; the liquid crystal touch screen is used to receive the infusion parameters input by the user; the controller is used to calculate the remaining liquid medicine volume in the current infusion bottle or infusion bag according to the drip speed information, the liquid level height information and the infusion parameters , and when the remaining liquid medicine volume is lower than the threshold value or the liquid level is lower than the preset safe liquid level, the acousto-optic alarm is driven to alarm, and an alarm signal is sent to the remote controller at the same time. Through the above technical solution, intelligent monitoring of the infusion rate and infusion progress can be realized. The device has many detection equipments, and the alarm method used when detecting various situations is relatively single. The reason for the actual alarm is displayed, and the medical staff cannot make advance preparations according to the actual situation.

Contents of the invention

The technical problem to be solved by the present invention is to propose an intravenous infusion monitoring device and an alarm system with high detection accuracy, strong practicability, strong anti-interference ability, and low false alarm rate, which can monitor multiple The various infusion states of the infusion device remind the medical staff to make advance preparations according to the actual situation.

The present invention solves its technical problem, adopts following technical scheme:

An intravenous infusion monitoring device, comprising: an infusion mechanism, the infusion mechanism is sequentially provided with a bottle insertion needle, a drip funnel, a hose, a liquid medicine filter and an intravenous infusion needle, wherein the drip funnel and the soft A fixing piece is arranged between the tubes, the fixing piece includes a housing, and an enlarged structure is arranged on the outer wall of the housing;

A detection mechanism, the detection mechanism includes a fixed base and an accommodating cavity arranged above the fixed base, a liquid level detection unit is arranged in the accommodating cavity, and the liquid level detection unit includes magnifying lenses arranged from outside to inside in sequence , lens group and photosensitive element.

Further, the infusion mechanism further includes a light emitting element arranged above the casing.

Further, the accommodating cavity further includes a sound unit, an image processing unit and a wireless communication unit, and the image processing unit is electrically connected to the photosensitive element.

Further, the housing of the fixing member is integrally formed with the hose.

Further, the fixing member further includes a shape-limiting body sleeved outside the housing, and the shape-limiting body is integrally formed with the housing.

Further, the fixing member further includes a shape-limiting body sleeved outside the housing, a locking portion is provided at the top of the shape-limiting body, and threads are provided on the inner surface of the locking portion.

Further, a drive unit is provided inside the fixed base, and the drive unit is electrically connected to the liquid level detection unit.

Further, the connection between the fixed base and the accommodation cavity is inwardly recessed to form a recess, and a rotating shaft is arranged in the recess, and the accommodation chamber is connected to the rotating shaft.

Further, the lens group is a microlens array.

Further, a suspension mechanism is also included, the suspension mechanism includes a column, and a buckle is arranged on the column.

An intravenous infusion alarm system, comprising a host on duty, a display extension, a wearable device and the above-mentioned intravenous infusion monitoring equipment, the on-duty host and the display extension are connected by wire, and the detection mechanism and the display extension signal connected, the wearable device is signal-connected with the on-duty host computer.

Further, the display extension includes:

A processing module, configured to process the image information transmitted by the detection mechanism, and determine the state corresponding to the detection mechanism according to a preset state classification standard;

Judgment module, used to judge whether the alarm condition is reached;

A control module, used to control the detection mechanism to make a sound and transmit the result processed by the processing module to the on-duty host computer when the judging module judges that an alarm condition is reached;

The liquid crystal display module is used to display the information obtained by the processing module.

Further, the on-duty host includes a calling module, used to call the information processed by the processing module; a parameter setting module, used to set the number of the bed where the detection mechanism is located.

Further, the host computer on duty also includes an alarm response module, which is used to save and display the bed number, corresponding status and alarm time of the detection mechanism after the control module sends the status information.

Further, the alarm response module includes a prompt unit for issuing voice prompts.

Compared with the prior art, the beneficial effects of the present invention are: (1) The infusion mechanism is provided with an amplifying structure, which can amplify the state of the liquid in the infusion tube, which is convenient for detection and observation, and improves detection accuracy; the detection mechanism detects The method adopts image acquisition, and after the detection object is enlarged and image processed, various conditions of the liquid to be tested can be clearly detected; (2) the shape-limiting body can make the detected part not easy to bend and deform, and maintain a vertical state, which is Accurate detection provides guarantee; the suspension mechanism is provided with a buckle, which can buckle the hose into it, reducing shaking and reducing adverse effects on detection; (3) the display extension can analyze the collected images more systematically, and adopt The more practical measures reduce the false alarm rate; (4) the wearable device is used to receive status calls, and the infusion status can be notified to medical staff more directly and in a timely manner.

Description of drawings

For more clearly describing the embodiment of the present invention in detail, accompanying drawing is as follows:

Fig. 1 is the schematic structural diagram of the transfusion mechanism of embodiment 1 of the present invention;

Fig. 2 is a schematic structural diagram of the detection mechanism of Embodiment 1 of the present invention;

Fig. 3 is the schematic structural diagram of the suspension mechanism of Embodiment 1 of the present invention;

4 is a schematic diagram of a liquid level detection unit in Embodiment 1 of the present invention;

5 is a schematic diagram of the application of the infusion mechanism of Embodiment 2 of the present invention;

Figure 6 is a schematic diagram of the application of the infusion mechanism of Embodiment 3 of the present invention;

Fig. 7 is a working principle block diagram of an intravenous infusion alarm system according to Embodiment 4 of the present invention;

Fig. 8 is a block diagram of a display extension of an intravenous infusion alarm system according to Embodiment 4 of the present invention;

Fig. 9 is a block diagram of an on-duty host computer of an intravenous infusion alarm system according to Embodiment 4 of the present invention.

detailed description

The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

Example 1

As shown in Figure 1 and Figure 2, a kind of intravenous infusion monitoring equipment provided by this embodiment includes:

Infusion mechanism 100, the infusion mechanism 100 is sequentially provided with a bottle inserting needle, a drip funnel, a hose, a liquid medicine filter and an intravenous infusion needle, wherein a fixing piece is arranged between the drip funnel and the hose 110, the fixing part 110 includes a housing 111, the outer wall of the housing 111 is provided with an enlarged structure; the housing 111 is made of a transparent material with high hardness and magnifying effect, which is not easy to deform, and can be enlarged in all directions The state of the liquid where the housing 111 is placed is convenient for detection. The housing 111 is provided with a floating body 112, and the lower end of the floating body 112 is provided with a sealing sheet 1121. When the housing 111 is filled with liquid, the The floating body 112 is suspended in the housing 111. When the liquid in the housing 111 gradually decreases, the floating body 112 descends with the liquid, and finally the sealing piece 1121 is in close contact with the bottom of the housing 111, which can Prevent the entry of air and ensure the safety of infusion.

The detection mechanism 200, the detection mechanism 200 includes a fixed base 210 and an accommodating chamber 220 arranged above the fixed base 210, the accommodating chamber 220 is provided with a liquid level detection unit 221, as shown in Figure 4, the liquid level The bit detection unit 221 includes a magnifying lens, a lens group and a photosensitive element arranged in sequence from outside to inside. The detection mechanism 200 can be placed on the wall or on the head of a bed, and can realize the detection of multiple infusion mechanisms 100, detect and obtain the image information of the liquid level at the position of the fixing member 110, and can analyze the specific corresponding to the change of the liquid level. The state of the infusion (such as air, color change, etc.) is like the human eye staring at the infusion equipment all the time. When any situation is considered to be bad, it can be notified in time with the help of sound and light reminders. personnel, take appropriate measures.

The infusion mechanism 100 also includes a light-emitting element 114 arranged above the casing 111, the light emitted by it can illuminate the infusion hose, making the change of the liquid level there clearer, and at the same time helping the detection mechanism 200 Identify the objects to be acquired.

The accommodating cavity 220 also includes a sound unit 222, an image processing unit 223 and a wireless communication unit 224, the image processing unit 223 is electrically connected to the photosensitive element, and the detection mechanism 200 obtains The range of the original collected images is relatively large, and the image processing unit 223 can intercept useful liquid level image information for analysis, and make measures according to the analysis results whether the sound unit 222 needs to send a sound reminder, and the wireless communication unit 224 Using TI's CC2500 can transmit the information obtained through analysis and processing to other processing platforms, so that other platforms can more clearly display the status of the infusion mechanism 100, and issue corresponding reminders to inform more people, so that relevant personnel can Better and more timely discovery and processing.

The casing 111 of the fixing member 110 is integrally formed with the hose.

The fixing member 110 also includes a shape-limiting body 113 sleeved outside the housing 111, the shape-limiting body 113 is made of a transparent material, and the shape-limiting body 113 is integrally formed with the housing 111 to protect the housing 111. No bending caused by external force traction.

The fixed base 210 is provided with a drive unit 211, the drive unit 211 is electrically connected to the liquid level detection unit 221, and is used to start or close the liquid level detection unit 221, which can be driven by remote control or by setting The switch button on one side of the fixed base turns on or off the driving unit 211 .

The connection between the fixed base 210 and the accommodation cavity 220 is concave inwardly to form a concave portion, and a rotating shaft is arranged in the concave portion, and the accommodation cavity 220 is connected to the rotating shaft, which can realize multi-angle rotation and improve detection efficiency. Anti-interference ability.

The lens group is a microlens array, and the microlens array acquires images more comprehensively, ensures high precision of image acquisition, and improves the actual availability of later analysis samples (liquid level changes).

As shown in Figure 3, it also includes a suspension mechanism 300, the suspension mechanism 300 includes a column, the column is provided with a buckle 310, the diameter of the buckle 310 is adjustable, and when in use, the medical staff put the infusion bottle or infusion After the bag is hung on the suspension mechanism, the hose or the fixing member 110 can be buckled into it, which reduces shaking and can reduce adverse effects on detection. The patient's infusion status table is hung on the hanging ring, which can help medical staff to understand the infusion status.

This embodiment is mainly used to meet the infusion needs of medical institutions. The detection mechanism 200 can realize the detection of multiple infusion mechanisms 100, which improves work efficiency. The setting can distinguish the situation of liquid dripping, bubbles and color change. When the above phenomenon occurs, a sound prompt will be issued. If the above situation does not occur, it will default to the normal infusion state without any processing. Detection method Simple and practical.

Example 2

This embodiment is basically the same as Embodiment 1, the difference is that the shape-restricting body 113 and the housing 111 are arranged separately, as shown in FIG. The detection mechanism 200 tracks and detects; the top part of the shape-limiting body 113 is provided with a locking part 1131, and the inner surface of the locking part 1131 is provided with threads, and the locking part 1131 is screwed into the infusion bottle or the infusion bag. The liquid outlet is fixed, which can better protect the objects surrounded by the shape-limiting body and keep them in a vertical state, thereby reducing interference and improving the accuracy of detection. Both the housing 111 and the shape-limiting body 113 are It is made of transparent material, which does not hinder the observation of personnel, and also has the function of magnifying the state of the liquid level for better observation. In addition, in order to facilitate the setting of the medicine-adding branch pipe at the dropping funnel, a window is set on the side of the shape-limiting body 113 close to the medicine-dosing branch pipe to facilitate the medicine-dosing operation.

Example 3

The difference between this embodiment and the previous embodiments is that this embodiment emphasizes the structure of the infusion mechanism when the anesthetic is used.

As shown in Figure 6, the lower part of the hose is provided with a branch pipe 120 close to the liquid medicine filter, and a fixing piece 110 is set between the dropping funnel and the hose, and the fixing piece 110 is more specifically It is arranged above the connection between the branch pipe 120 and the hose, and the fixing part 110 is placed here, so that the color change can be detected more timely during detection, and the adverse consequences caused by the change can be contained in time, for example, when the injected The anesthetic drug is propofol (milky white). When propofol is injected, reflux occurs. If it is not detected in time, most of the propofol will be diluted after reflux, and the effect of anesthesia will be poor. Conversely, if it passes through the detection device This problem can be well solved by detecting that the liquid changes from transparent to milky white and notifying the medical staff in time. The fixing member 110 and the flexible tube can be set separately and sleeved on the flexible tube; It can also be integrally formed to reduce detection errors caused by activities; a signal generator 115 is arranged inside the shape-limiting body 113, and the signal generator 115 is arranged above the housing 111, and the signal generator 115 carries a light-emitting The component can be used for tracking and detecting while illuminating the infusion tube, so that the change of the liquid level there is clearer, and at the same time, it helps the detection mechanism 200 to identify the object to be collected.

Example 4

As shown in Figures 7 to 9, this embodiment provides an intravenous infusion alarm system, including an on-duty host 400, a display extension 500, a wearable device 600, and the intravenous infusion monitoring device in the above-mentioned embodiment, the on-duty host 400 and the The display extension 500 is connected by wire, the wearable device 600 is connected to the on-duty host 400 by signal, and the detection mechanism 200 and the display extension 500 realize two-way communication through a wireless signal with a frequency of 2.4GHz. The communication distance Up to 10 meters. Each on-duty host 400 has several display extensions 500, each display extension 500 corresponds to multiple detection mechanisms 200, each detection mechanism 200 is used to detect the infusion mechanism 100 of all beds in a ward, and each relevant medical staff wears one The wearable device 600 receives the infusion status information of the wards within its jurisdiction, and the on-duty host 400 is a PC.

The display extension 500 includes:

The processing module 510 is used to process the image information transmitted by the detection mechanism 200, and determine the state corresponding to the detection mechanism 200 according to the preset state classification standard; for example, the preset states include infusion, dripping, bubbles and color changes , by comparing the collected image information with the preset information to determine the current infusion state of the detection mechanism 200 .

The judging module 520 is used to judge whether the alarm condition is reached; for example, if the compared state is infusion, it is judged that the alarm condition is not reached; the judgment module 520 of the display extension 500 can judge the infusion state in more detail and accurately, and reduce the false alarm rate ,Improve work efficiency.

The control module 530 is configured to control the detection mechanism 200 to make a sound and transmit the result (bed + infusion status) processed by the processing module 510 to the on-duty host computer 400 when the judging module 520 judges that an alarm condition is reached ;

The liquid crystal display module 540 is configured to display the information obtained by the processing module 510 .

The CPU of the display extension 500 can be selected to use Broadcom's BCM2837 chip to complete the content editing of the above-mentioned multiple modules. The display extension 500 is generally installed in the corridor outside the ward.

The on-duty host computer 400 includes a calling module 410, which is used to call the information processed by the processing module 510; a parameter setting module 420, which is used to set the number of the bed where the detection mechanism 200 is located, so that the bed and the infusion state One-to-one correspondence, more intelligently remind medical staff.

The on-duty host 400 also includes an alarm response module 430, which is used to save and display the bed number, corresponding status and alarm time of the detection mechanism 200 after the control module 530 sends the status information, so as to realize multi-directional reminders to relevant medical staff. personnel.

The alarm response module 430 includes a prompt unit 431, configured to issue a corresponding voice prompt according to the displayed information.

The detailed working principle of the system of the present invention is as follows: the detection mechanism 200 detects the infusion state of the infusion mechanism 100 in real time, and transmits the data to the display extension 500, and the display extension 500 analyzes the received data, and displays the corresponding bed position and the infusion state. ; When it is analyzed that there is a bad state (such as the liquid dripping), the display extension 500 controls the detection mechanism 200 to send a "didi" sound, and the information of the bad state is sent to the duty host 400; the duty host 400 will use the bed (such as 2 No. 1 bed in room No. 1) + bad state of infusion (end of drip) flashes on its display and saves the bad state and the occurrence time of the bad state, and at the same time sends out a voice prompt corresponding to the text and transmits the information to the wearable device 600 , notify the relevant personnel, after the relevant personnel know, press the answer mode on the wearable device 600 or the answer mode on the duty host 400, the duty host 400 will stop displaying and voice prompt; the display extension 500 and the duty host 400 can set the number corresponding to the detection mechanism 200, so that it is not limited to the detection of a specific ward. When the room placed by the detection mechanism 200 is changed, the number can be renumbered; All the infusion states detected by the detection mechanism 200 are raised and taken out, so that relevant personnel can understand the situation when they do not call the police.

In summary, the present invention can not only detect whether the liquid has been dripped, but also detect whether there are bubbles in the liquid, whether the color of the liquid has changed, and many other bad states, and can display and inform the medical staff of the bad state according to different states. What; in addition, the data has been transmitted in multiple ways, and the relevant personnel at each location can receive the alarm signal in time, and prepare countermeasures according to the corresponding bad state displayed by the alarm, so as to give reasonable care to the patient and reduce the occurrence of danger.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which the present invention belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the present invention or go beyond the definition of the appended claims range.

Claims (10)

1. An intravenous infusion monitoring device, characterized in that, comprising: An infusion mechanism (100), the infusion mechanism (100) is sequentially provided with a bottle insertion needle, a drip funnel, a hose, a liquid medicine filter, and an intravenous infusion needle, wherein, between the drip funnel and the hose A fixing part (110) is provided, and the fixing part (110) includes a housing (111), and an enlarged structure is arranged on the outer wall of the housing (111); A detection mechanism (200), the detection mechanism (200) comprising a fixed base (210) and an accommodating chamber (220) arranged above the fixed base (210), the accommodating chamber (220) is provided with a liquid level detection A unit (221), the liquid level detection unit (221) includes a magnifying lens, a lens group and a photosensitive element arranged sequentially from outside to inside. 2. A kind of intravenous infusion monitoring device according to claim 1, characterized in that, the accommodating cavity (220) also includes a sound unit (222), an image processing unit (223) and a wireless communication unit (224), The image processing unit (223) is electrically connected to the photosensitive element. 3. A kind of intravenous infusion monitoring device according to claim 1, characterized in that, the fixing member (110) further comprises a shape-limiting body (113) sleeved outside the casing (111), and the limiting body (113) A locking portion (1131) is provided at the top of the body (113), and threads are provided on the inner surface of the locking portion (1131). 4. A kind of intravenous infusion monitoring device according to claim 1, characterized in that, a driving unit (211) is arranged in the fixed base (210), and the driving unit (211) is connected with the liquid level detection unit (221) electrical connection. 5 . The intravenous infusion monitoring device according to claim 1 , further comprising a suspension mechanism ( 300 ), the suspension mechanism ( 300 ) comprising a column, and a buckle ( 310 ) is provided on the column. 6. An intravenous infusion alarm system, characterized in that it comprises an on-duty host (400), a display extension (500), a wearable device (600) and the infusion monitoring device according to any one of claims 1 to 4, wherein The on-duty host (400) is connected to the display extension (500) by wire, the detection mechanism (200) is connected to the display extension (500) by a signal, and the wearable device is connected to the on-duty host (400) by signal. connect. 7. A kind of intravenous infusion alarm system according to claim 6, is characterized in that, described display extension (500) comprises: A processing module (510), configured to process the image information transmitted by the detection mechanism (200), and determine the state corresponding to the detection mechanism (200) according to a preset state classification standard; Judging module (520), used for judging whether the alarm condition is reached; A control module (530), configured to control the detection mechanism (200) to make a sound and transmit the result processed by the processing module (510) to the on-duty when the judging module (520) judges that an alarm condition is reached host(400); A liquid crystal display module (540), configured to display the information obtained by the processing module (510). 8. A kind of intravenous infusion alarm system according to claim 7, characterized in that, the host computer on duty (400) includes a calling module (410), which is used to call the information processed by the processing module (510) ; A parameter setting module (420), used to set the number of the bed where the detection mechanism (200) is located. 9. A kind of intravenous infusion alarm system according to claim 7, characterized in that, the host computer on duty (400) also includes an alarm response module (430), which is used to send status information to the control module (530) Afterwards, the bed number, corresponding state and alarm time of the detection mechanism (200) are saved and displayed. 10. The intravenous infusion alarm system according to claim 9, characterized in that, the alarm response module (430) includes a prompt unit (431) for issuing voice prompts.