Infusion device

Abstract

The utility model relates to the technical field of infusion consumables, in particular to an infusion device, which comprises an infusion tube and a drip chamber, and is particularly additionally provided with a monitoring device such as a clamping component, an alarm and a flowmeter structure, the infusion regulator and the flow meter are both installed on the infusion tube, the flow meter is arranged above the infusion regulator, the flow meter is communicated with the infusion tube, the flow meter can monitor and record the amount of flowing liquid medicine in real time, and when the controller monitors that the amount of the liquid medicine reaches or exceeds a preset threshold value, the flow meter is started. The controller controls the clamping assembly in the monitoring device to cut off flow, meanwhile, the buzzer triggers the alarm function, medical staff is reminded to go to process in time, the risks of blood return and the like caused by negligence of monitoring are greatly reduced through the real-time monitoring and alarm function, and the problems that a traditional infusion device cannot give an alarm prompt, and the infusion safety is affected are solved. The potential risk of transfusion blood return exists.

Description

TECHNICAL FIELD

[0001] The utility model relates to infusion consumables technical field, concretely relates to an infusion device. BACKGROUND

[0002] At present, intravenous infusion as an important treatment method is widely used in the auxiliary treatment of various diseases, and in the usual case, the patient or his family members need to personally pay attention to the remaining situation of the liquid in the infusion device when the infusion is about to be completed; once the liquid amount is observed to be close to exhaustion, they will use the bedside button, bell and other communication means to inform the medical staff to come and handle. However, this way of relying on manual monitoring has significant defects; the primary problem is that due to the large number of patients in the infusion room, the medical staff often have difficulty in implementing instant and detailed monitoring of all patients, which may lead to the situation that the infusion is completed but cannot be timely handled. At this time, due to the pressure difference, the patient's blood may flow back into the infusion tube, thereby causing unnecessary pain and potential health hazards to the patient. In addition, requiring the patient or family members to monitor the infusion process undoubtedly increases their psychological burden and labor intensity, and in the long monitoring process, they may fail to timely discover the end of the infusion due to fatigue or negligence, thereby missing the best needle removal opportunity. More seriously, in the case of no monitoring, if the switch on the infusion device cannot be closed in time, the long-term backflow of blood not only increases the patient's pain, but also may cause serious complications such as vascular embolism, which brings great hidden dangers to medical safety. SUMMARY

[0003] The utility model aims at providing an infusion device to solve the problem that the traditional infusion device cannot give alarm and has potential risk of infusion backflow.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] An infusion device comprises an infusion tube and a drip chamber, and further comprises a monitoring device installed on the infusion tube.

[0006] The monitoring device comprises a shell, a monitoring assembly and a clamping assembly arranged in the shell.

[0007] The monitoring assembly comprises symmetrically arranged capacitor A plates and capacitor B plates on both sides of the infusion tube, the capacitor A plates and the capacitor B plates are both connected with a controller, and the controller is connected with an alarm and a power supply.

[0008] The clamping assembly comprises a driving member fixed inside the housing, a disc seat, and a movable member arranged in the disc seat, a clamping hole is formed in the center of the disc seat, the infusion tube penetrates through the clamping hole, and the driving member can drive the movable member to move in the disc seat to clamp or release the infusion tube.

[0009] Further, the alarm is a buzzer.

[0010] Further, an indicator lamp is installed on the housing and connected with the controller.

[0011] Further, the disc seat comprises an upper connecting plate, a middle connecting plate, and a lower connecting plate, the middle connecting plate is arranged between the upper connecting plate and the lower connecting plate, a plurality of support columns are arranged on the lower connecting plate, and the upper connecting plate is connected with the lower connecting plate through the support columns.

[0012] The middle connecting plate is fixed on the lower connecting plate.

[0013] Further, the movable member comprises a rotating disc and a plurality of clamping strips, each clamping strip is movably arranged on the middle connecting plate, and each clamping strip has a first state and a second state.

[0014] A plurality of guide grooves are formed in the rotating disc, a guide column is fixedly arranged at the middle position of each clamping strip, each guide column is arranged in a corresponding guide groove, and when the rotating disc rotates, each clamping strip can be driven to change from the first state to the second state or from the second state to the first state.

[0015] Further, an infusion regulator and a flow meter are arranged on the infusion tube, the flow meter is arranged above the infusion regulator, and the flow meter is electrically connected with the controller.

[0016] According to the above technical solution, medical staff can strictly control the infusion speed through the infusion regulator, avoid patient discomfort caused by too fast infusion or treatment delay caused by too slow infusion, help to ensure that the drug enters the patient's body at an appropriate speed, and thus improve the treatment effect.

[0017] Further, an installation groove is formed in the lower connecting plate, the rotating disc is arranged in the installation groove, and the rotating disc is rotatably connected with the middle connecting plate.

[0018] Further, the driving member comprises a mounting frame, a motor arranged on the mounting frame, and a connecting rod, one end of the connecting rod is connected with the rotating disc, the other end of the connecting rod is connected with the motor, and the motor is connected with the controller.

[0019] Further, the connecting rod comprises a first connecting part, a connecting rod and a second connecting part, the first connecting part and the second connecting part are arranged at two ends of the connecting rod.

[0020] Further, the first connecting part comprises a disc coaxially fixed on the motor output shaft and a connecting column eccentrically arranged on the disc, the connecting column is hinged with the connecting rod;

[0021] The second connecting part comprises a connecting block, an avoiding slot is formed on the lower connecting plate, the connecting block penetrates through the avoiding slot and is connected with the rotating disc, and the other end of the connecting block is hinged with the connecting rod.

[0022] The beneficial effects of the utility model are as follows:

[0023] 1, the infusion device of the application not only contains the conventional infusion tube and the drop, especially increase the monitoring device, this monitoring device is installed on the infusion tube, by the shell, monitoring assembly and clamping assembly three parts are composed; The core of the alarm function is the monitoring assembly, it includes the capacitor A plate and the capacitor B plate which are symmetrically arranged on the two sides of the infusion tube and are connected with the controller, when the liquid in the infusion tube reduces to a certain degree, the dielectric constant between the capacitor A plate and the capacitor B plate will change, the controller receives the signal and reacts, sends out the sound and light signal, reminds the medical staff to come in time to deal with.

[0024] 2, the infusion device of the application is provided with an infusion regulator, medical staff can accurately control the infusion speed through adjusting the infusion regulator according to the specific condition of patients and the nature of medicine, not only improve the treatment efficiency, but also help to ensure that the medicine enters the patient's body at an appropriate speed, thereby improving the treatment effect.

[0025] 3, the application can realize the clamping or loosening operation of the infusion tube through the driving of the motor and the transmission of the connecting rod, when the controller receives the abnormal signal, the motor will be controlled to rotate immediately, drives the rotating disc and the clamping strip to change the state, so as to realize the clamping of the infusion tube, and avoid the backflow phenomenon.

[0026] Other advantages, objects and features of the application will be set forth in the following specification, and in part will become apparent to those skilled in the art upon examination of the following specification, or can be learned from practice of the application, the objects and other advantages of the application can be achieved and obtained by the following specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is the structure schematic view of the utility model infusion device;

[0028] Figure 2The utility model discloses a monitoring device structure schematic drawing of infusion device.

[0029] Figure 3 The utility model discloses a control connection schematic drawing of infusion device.

[0030] Figure 4 The utility model discloses a partial structure schematic drawing of clamping assembly in infusion device.

[0031] Figure 5 The utility model discloses a whole structure schematic drawing of clamping assembly in infusion device.

[0032] Figure 6 The utility model discloses an explosion structure schematic drawing of one direction of clamping assembly in infusion device.

[0033] Figure 7 The utility model discloses an explosion structure schematic drawing of another direction of clamping assembly in infusion device.

[0034] Figure 8 The utility model discloses an explosion structure schematic drawing of clamping assembly in infusion device.

[0035] Among them, infusion pipe 1, drop 2, shell 3, monitoring component 4, clamping assembly 5, drive piece 51, mounting frame 511, motor 512, connecting rod piece 513, disc 5131, connecting column 5132, connecting rod 5133, connecting block 5134, disc seat 52, upper connecting plate 521, middle connecting plate 522, lower connecting plate 523, support 5231, installation groove 5232, movable part 53, carousel 531, guide groove 5311, guide column 5312, clamping strip 532, pilot lamp 6, infusion regulator 7, flowmeter 8. DETAILED DESCRIPTION

[0036] Other advantages and effects of the present application can be easily understood by those skilled in the art from the disclosure of the present application. The present application can also be implemented or applied by other different embodiments, and various modifications or changes can be made to the details in the present application based on different viewpoints and applications without departing from the spirit of the present application. It should be understood that the preferred embodiments are only for illustrating the present application, but not for limiting the protection scope of the present application.

[0037] It should be noted that the drawings provided in the following embodiments only illustrate the basic concept of the present application in a schematic manner, and only show the components related to the present application in the drawings, but not drawn according to the number, shape and size of the components in actual implementation. The shape, number and proportion of each component in actual implementation can be randomly changed, and the component layout pattern can be more complex.

[0038] The embodiment provides an infusion device, such as Figures 1 to 8 As shown, the infusion device comprises an infusion tube 1, a drip chamber 2 and a monitoring device fixedly installed on the infusion tube 1; specifically, in the utility model, the monitoring device is installed above the drip chamber 2. The monitoring device comprises a shell 3, a monitoring assembly 4 arranged in the shell 3 and a clamping assembly 5; wherein, as shown, Figure 3 As shown, the monitoring assembly 4 comprises a controller, capacitor A plates and capacitor B plates symmetrically arranged on both sides of the infusion tube 1, the capacitor A plates and the capacitor B plates are connected with the controller, the controller is connected with an alarm and a power supply; the power supply is used for power supply of the controller, a motor and electronic elements such as a flowmeter, in the embodiment, the alarm is preferably a buzzer; the controller is a single-chip microcomputer, such as an STM32 series single-chip microcomputer, an 8051 series, an ARM Cortex-M0 / M3 / M4 series single-chip microcomputer, the capacitor A plates and the capacitor B plates can adopt a film capacitor, such as a CBB65 series, a CBB60 series film capacitor, or other types of capacitors, as long as the monitoring of the liquid medicine can be realized; wherein, the capacitor A plates and the capacitor B plates are electronic elements familiar to those skilled in the art.

[0039] The shell 3 is provided with an indicating lamp 6, and the indicating lamp 6 is connected with the controller; wherein, the indicating lamp 6 comprises a normal indicating lamp and an abnormal indicating lamp. In the process that the liquid medicine keeps uniform flow in the infusion tube 1, the capacitor A plates and the capacitor B plates are responsible for sending and capturing signals (such as optical signals) reflected when the liquid medicine flows, whenever a signal is received, the two capacitors will generate an electric pulse signal respectively, and the signals are transmitted to the signal input port of the controller, if the single-chip microcomputer successfully receives the electric pulse signal from the capacitor A plates and the capacitor B plates within the preset reference time period, the single-chip microcomputer will judge that the system is in a normal working state according to the internal preset program, at this time, the controller activates the normal indicating lamp 6, and then automatically enters the next working period to repeat the above control process.

[0040] On the other hand, if there is gas in the infusion tube 1 or there is no liquid medicine flow, the capacitor A plates and the capacitor B plates will not be able to receive any signal, so no electric pulse signal will be generated, if the single-chip microcomputer fails to receive the electric pulse signal within the corresponding reference time period, the single-chip microcomputer will judge that the system is in an abnormal working state according to the preset program, at this time, the single-chip microcomputer controls the abnormal indicating lamp to be bright, and simultaneously triggers the buzzer to continuously sound, so as to realize the sound and light alarm function, and remind medical staff to come in time to handle, the real-time monitoring and alarm function greatly reduces the risk events such as backflow caused by monitoring negligence.

[0041] As shown, Figures 4 to 8As shown, the clamping assembly 5 comprises a driving member 51 fixed inside the housing 3, a disc seat 52 and a movable member 53 arranged in the disc seat 52, the disc seat 52 is provided with a clamping hole (not shown) in the center, the infusion tube 1 penetrates through the clamping hole, the driving member 51 can drive the movable member 53 to move in the disc seat 52 to clamp or release the infusion tube 1. Figure 6 、 Figure 7 and Figure 8 As shown, the disc seat 52 comprises an upper connecting plate 521, a middle connecting plate 522 and a lower connecting plate 523, the middle connecting plate 522 is arranged between the upper connecting plate 521 and the lower connecting plate 523, and the middle connecting plate 522 is fixed on the lower connecting plate 523, the lower connecting plate 523 is provided with a plurality of support columns 5231, and the upper connecting plate 521 is connected and fixed with the lower connecting plate 523 through the support columns 5231.

[0042] The movable member 53 comprises a rotating disc 531 and a plurality of clamping strips 532, the lower connecting plate 523 is provided with a mounting groove 5232, and the rotating disc 531 is arranged in the mounting groove 5232, and the rotating disc 531 is rotationally connected with the middle connecting plate 522.

[0043] In the embodiment, the number of clamping strips 532 is six; each clamping strip 532 is arranged on the middle connecting plate 522, each clamping strip 532 has a first state and a second state; when all the clamping strips 532 are in the first state, the clamping hole is in a through state, and each clamping strip 532 will not clamp the infusion tube 1; when all the clamping strips 532 are in the second state, each clamping strip 532 clamps the infusion tube 1, so as to avoid the flow of air in the infusion tube 1. The rotating disc 531 is provided with a plurality of guide grooves 5311.

[0044] In the embodiment, the number of guide grooves 5311 is six; each clamping strip 532 is fixedly provided with a guide column 5312 at the middle position, each guide column 5312 is arranged in the corresponding guide groove 5311, when the rotating disc 531 rotates forward, each clamping strip 532 can be driven to change from the first state to the second state; when the rotating disc 531 reversely rotates, each clamping strip 532 can be driven to change from the second state to the first state.

[0045] As a preferred embodiment, the driving member 51 comprises a mounting frame 511, a motor 512 arranged on the mounting frame 511 and a connecting rod member 513, one end of the connecting rod member 513 is connected with the rotating disc 531, the other end of the connecting rod member 513 is connected with the motor 512, the motor 512 is connected with a controller, and the motor 512 is preferably a forward and reverse motor 512.

[0046] Specifically, the connecting rod 513 includes a first connecting portion, a connecting rod 5133, and a second connecting portion, the first connecting portion and the second connecting portion are arranged at two ends of the connecting rod 5133; the first connecting portion includes a disc 5131 coaxially fixed on the output shaft of the motor 512 and a connecting column 5132 eccentrically arranged on the disc 5131, the connecting column 5132 is hinged with the connecting rod 5133; the second connecting portion is a connecting block 5134, the lower connecting plate 523 is provided with an avoiding slot, the connecting block 5134 penetrates through the avoiding slot and is connected with the rotating disc 531, the other end of the connecting block 5134 is hinged with the connecting rod 5133.

[0047] According to the above technical scheme, when the controller receives the signal that there is gas flow or no drug liquid flow in the infusion tube 1 through the monitoring assembly 4, the controller will immediately send a signal to the motor 512 to control the motor 512 to rotate a certain angle, the output shaft of the motor 512 drives the connecting rod 513 to rotate a certain angle through the disc 5131 and the eccentrically arranged connecting column 5132, the first connecting portion of the connecting rod 513 is connected with the second connecting portion through the connecting rod 5133, the second connecting portion (i.e. the connecting block 5134) is connected with the rotating disc 531 on the middle connecting plate 522 through the avoiding slot, thereby driving the rotating disc 531 to rotate a certain angle, the guide groove 5311 on the rotating disc 531 cooperates with the guide column 5312 on the clamping strip 532, when the rotating disc 531 rotates, the guide column 5312 moves along the guide groove 5311, drives the clamping strip 532 to change from the loosening state (first state) to the clamping state (second state), and realizes the clamping of the infusion tube 1, after the infusion is completed, the air is prevented from entering the vein, and the infusion backflow phenomenon is avoided.

[0048] In an embodiment, as shown in Figure 1 It also includes an infusion regulator 7 and a flow meter 8, medical staff can control the infusion speed through the infusion regulator 7, avoid patient discomfort caused by too fast infusion or treatment delay caused by too slow infusion, help to ensure that the drug enters the patient's body at an appropriate speed, thereby improving the treatment effect.

[0049] In some clinical application scenarios, the infusion speed and infusion liquid volume of the drug liquid have strict requirements, such as mannitol injection, and too much or too little infusion volume can affect the treatment effect and even cause adverse effects on the patient. The utility model discloses a liquid infusion device, which comprises a liquid infusion pipe 1, a liquid infusion regulator 7 and a flowmeter 8, wherein the liquid infusion regulator 7 and the flowmeter 8 are both installed on the liquid infusion pipe 1, the flowmeter 8 is arranged above the liquid infusion regulator 7, the flowmeter 8 is connected with the liquid infusion pipe 1, the flowmeter 8 can monitor and record the volume of the drug liquid that has flowed in real time, the flowmeter 8 is connected with a controller, the controller is used for receiving the data signal sent by the flowmeter 8 and processing the data, the controller can set a threshold value according to requirements, the threshold value can be set to 50ml, 100ml, 125ml, 200ml or the like, and when the controller monitors that the volume of the drug liquid reaches or exceeds the threshold value, the controller controls the clamping assembly 5 to cut off the flow and triggers the alarm function of the buzzer to remind medical staff to come and deal with it in time.

[0050] For the convenience of the examiner, if the preset value in the controller is 100ml, the flowmeter transmits the monitored signal to the controller, the controller processes and analyzes, if the flowmeter detects the signal corresponding to 99ml of the drug liquid, the signal corresponding to 99ml of the drug liquid is also transmitted to the controller, and the controller compares the signal corresponding to 99ml of the drug liquid with the signal corresponding to the preset 100ml of the drug liquid, at this time, the controller does not make a reaction action; similarly, if the controller receives the signal corresponding to 101ml of the drug liquid which is greater than the signal corresponding to the preset 100ml of the drug liquid, the controller makes a reaction action, controls the indicator light, the alarm, the motor and the like to work, controls the clamping assembly 5 to cut off the flow and triggers the alarm function of the buzzer to remind medical staff to come and deal with it in time.

[0051] It should be noted that the flowmeter 8 used in the embodiment is an electronic element known to those skilled in the art, which can cooperate with the controller to realize drug liquid flow monitoring; the problems of the traditional liquid infusion device, such as the need for manual monitoring and the inability to provide alarm prompts, which may lead to potential risks of infusion backflow, are solved, and the structure is compact and has high practicability.

[0052] The above embodiments are only preferred embodiments for fully illustrating the utility model, and the protection scope of the utility model is not limited thereto. Equivalent substitutions or transformations made by those skilled in the art on the basis of the utility model are within the protection scope of the utility model.

Claims

1. An infusion device comprising an infusion tube and a drip chamber, characterized in that, The monitoring device is installed on the infusion tube; The monitoring device comprises a housing, a monitoring assembly arranged in the housing, and a clamping assembly; The monitoring assembly comprises a controller, symmetrically arranged capacitor A plates and capacitor B plates on both sides of the infusion tube, the capacitor A plates and the capacitor B plates are connected with the controller, and the controller is connected with an alarm and a power supply; The clamping assembly comprises a driving member fixed in the housing, a disc seat, and a movable member arranged in the disc seat, a clamping hole is formed in the center of the disc seat, the infusion tube penetrates through the clamping hole, and the driving member can drive the movable member to move in the disc seat to clamp or release the infusion tube.

2. The infusion device of claim 1, wherein: The alarm is a buzzer.

3. The infusion device of claim 2, wherein: An indicator lamp is installed on the housing and connected with the controller.

4. The infusion device of claim 1, wherein: The disc seat comprises an upper connecting plate, a middle connecting plate, and a lower connecting plate, the middle connecting plate is arranged between the upper connecting plate and the lower connecting plate, a plurality of support columns are arranged on the lower connecting plate, the upper connecting plate is connected with the lower connecting plate through the support columns, and the middle connecting plate is fixed on the lower connecting plate.

5. The infusion device of claim 1, wherein: An infusion regulator and a flowmeter are also included, both of which are installed on the infusion tube, and the flowmeter is arranged above the infusion regulator; the flowmeter is connected with the controller.

6. The infusion device of claim 4, wherein: The movable member comprises a rotating disc and a plurality of clamping strips, each clamping strip is movably arranged on the middle connecting plate, each clamping strip has a first state and a second state; A plurality of guide grooves are formed in the rotating disc, a guide column is fixedly arranged at the middle position of each clamping strip, each guide column is arranged in a corresponding guide groove, and when the rotating disc rotates, each clamping strip can be driven to change from the first state to the second state or from the second state to the first state.

7. The infusion device of claim 6, wherein: An installation groove is formed in the lower connecting plate, the rotating disc is arranged in the installation groove, and the rotating disc is rotatably connected with the middle connecting plate.

8. The infusion device of claim 7, wherein: The driving member comprises a mounting frame, a motor arranged on the mounting frame, and a connecting rod, one end of the connecting rod is connected with the rotating disc, the other end of the connecting rod is connected with the motor, and the motor is connected with the controller.

9. The infusion device of claim 8, wherein: The connecting rod comprises a first connecting portion, a connecting rod, and a second connecting portion, the first connecting portion and the second connecting portion are arranged at both ends of the connecting rod.

10. The infusion device of claim 9, wherein: The first connecting portion comprises a disc coaxially fixed on the output shaft of the motor and a connecting column eccentrically arranged on the disc, the connecting column is hinged with the connecting rod; The second connecting portion comprises a connecting block, an avoiding groove is formed in the lower connecting plate, the connecting block penetrates through the avoiding groove and is connected with the rotating disc, and the other end of the connecting block is hinged with the connecting rod.

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