CN220917876U

CN220917876U - Active transfusion device

Info

Publication number: CN220917876U
Application number: CN202322033178.3U
Authority: CN
Inventors: 管翔; 陈建; 王江涛
Original assignee: Nanjing Hanke Mingde Medical Technology Co ltd
Current assignee: Nanjing Hanke Mingde Medical Technology Co ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-05-10
Anticipated expiration: 2033-07-31

Abstract

The utility model discloses an active infusion device which comprises a controller, a micro pump head and an infusion assembly, wherein the micro pump head is detachably arranged on the controller, the infusion assembly is connected with the micro pump head, the micro pump head is provided with a liquid inlet and a liquid outlet, the controller is used for controlling the micro pump head to work at a preset speed, the infusion assembly comprises an infusion bag, a liquid inlet pipe and a liquid outlet pipe, the infusion bag is provided with an infusion cavity capable of storing liquid and a placing cavity for placing the controller, the infusion cavity is not communicated with the placing cavity, the top of the placing cavity is open and is positioned at the upper end of the infusion bag, one end of the liquid inlet pipe is communicated with the infusion cavity, the other end of the liquid inlet pipe is connected with the liquid inlet of the micro pump head, and one end of the liquid outlet pipe is connected with the liquid outlet, and the other end of the liquid outlet pipe is communicated with veins of a human body. Unlike the traditional mode that the infusion bag needs to be lifted for infusion by gravity, the micro pump head is driven to work at the preset speed by the pump driving mechanism controlled by the controller, so that active infusion is realized, and the patient can move conveniently.

Description

Active transfusion device

Technical Field

The utility model relates to the technical field of medical appliances, in particular to an active infusion device.

Background

Intravenous infusion is an important clinical administration way, not only can maintain the balance of water, electrolyte, acid and alkali in human body, but also can maintain the stability of internal environment, and can supplement nutrition and treat diseases. At present, when a patient is transfused in a hospital, an infusion bag or an infusion bottle is generally required to be hung on an infusion support at a higher position, an infusion set is inserted into the infusion bag, and liquid flows into veins through the infusion set under the action of gravity, so that the effect of infusing the patient is achieved. When a patient is in the process of transfusion, because the time consumption of transfusion is long, when the patient needs to go to the toilet or go out to purchase articles and walk, the transfusion stand is required to be moved or the family members or the patient himself or herself is required to lift the transfusion bag for transfusion, the height of the transfusion bag is inconvenient to measure when the patient walks, normal transfusion is affected, and fatigue is easily caused. In addition, when medical staff needs field first aid, transfusion environment is not manufactured under the condition, and transfusion is needed for patients, but the transfusion is difficult to hang.

Although the prior art also discloses a wearable infusion support, the whole structure is complex, the infusion support is inconvenient to move after being worn, the gravity is taken as power for conveying the liquid medicine, and the infusion quantity and the infusion speed can not be well controlled. Therefore, there is a need to find an infusion device that can achieve active infusion without hanging up and that well controls the amount and rate of infusion.

Disclosure of utility model

In order to solve the above problems in the prior art, an object of the present utility model is to provide an active infusion device, which solves the technical problems described in the background art.

In order to solve the technical problems, the utility model adopts the following technical scheme: an active infusion device comprising:

the miniature pump head is provided with a liquid inlet and a liquid outlet;

The top of the controller is provided with a mounting groove for accommodating the micro pump head, the micro pump head is detachably arranged on the mounting groove, and the controller is used for controlling the micro pump head to work at a preset speed;

The infusion assembly comprises an infusion bag, a liquid inlet pipe and a liquid outlet pipe, wherein the infusion bag is provided with an infusion cavity capable of storing liquid and a placing cavity of the controller, the infusion cavity is not communicated with the placing cavity, the placing cavity is positioned at the upper end of the infusion bag, the top of the placing cavity is opened, one end of the liquid inlet pipe is communicated with the infusion cavity, the other end of the liquid inlet pipe is connected with a liquid inlet of the micro pump head, one end of the liquid outlet pipe is connected with the liquid outlet, and the other end of the liquid outlet pipe is communicated with veins of a human body.

As a further improvement of the utility model, the two ends of the infusion bag are respectively provided with a connecting hole, and the connecting holes are detachably provided with binding belts or elastic telescopic belts.

As a further improvement of the utility model, one end of the liquid inlet pipe positioned in the transfusion cavity is provided with a hollowed-out ball cage.

As a further improvement of the utility model, the liquid outlet pipe is provided with a blood return prevention clamp.

As a further improvement of the utility model, one end of the liquid outlet pipe far away from the liquid outlet is connected with a vein needle.

As a further improvement of the utility model, the cross section of the transfusion cavity is concave, and the transfusion cavity is arranged around the placement cavity.

As a further improvement of the utility model, the controller comprises a shell, a pump driving mechanism, a singlechip and a power module, wherein the pump driving mechanism, the singlechip and the power module are arranged in the shell, the shell is provided with a control button and an alarm lamp, the control button is connected with the input end of the singlechip through a wire, the alarm lamp is connected with the output end of the singlechip, and the power module supplies power for the singlechip.

As a further improvement of the utility model, the pump driving mechanism is a small-sized stepping motor, an output shaft of the stepping motor is positioned in the mounting groove, and a jack matched with the output shaft of the stepping motor is arranged at the bottom of the micro pump head.

The utility model further provides a monitoring device, which comprises a flow sensor and/or a pressure sensor and a bubble sensor which are arranged on the liquid outlet pipe, wherein the flow sensor and/or the pressure sensor and the bubble sensor are electrically connected with a controller, and the controller judges that the liquid outlet pipe is blocked or the bubbles exceed a preset range according to the liquid medicine flow and/or the pressure and the bubble condition in the liquid outlet pipe monitored by the monitoring device, and outputs pipe alarm information.

Compared with the prior art, the utility model has the following beneficial effects:

The active infusion device is different from the traditional mode that the infusion bag is lifted to infuse by gravity, the micro pump head is driven to work at the preset speed by the pump driving mechanism controlled by the controller, active infusion is realized, the movement of a patient is convenient, and the liquid medicine in the pipeline can be extruded at a uniform speed, so that the infusion quantity and the infusion speed can be well controlled.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the connection of a micropump head with a controller according to the present utility model;

FIG. 3 is a schematic view of the structure of a micro-pump head infusion bag according to the utility model;

FIG. 4 is a schematic diagram of the connection of the monitoring device of the present utility model;

Drawings

In the figure: 100. a micro pump head; 110. a liquid inlet; 120. a liquid outlet;

200. a controller; 210. a housing; 220. a control button; 230. an alarm lamp;

An infusion assembly; 310. an infusion bag; 3110. an infusion chamber; 3120. a placement cavity; 3130. a connection hole; 320. a liquid inlet pipe; 330. a liquid outlet pipe; 340. hollow ball cage; 350. a blood return prevention clamp; 360. a venous needle;

400. a monitoring device; 410. a flow sensor; 420. a pressure sensor; 430. a bubble sensor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Fig. 1 to 4 are schematic structural views of an active infusion device according to an embodiment of the utility model, and a main body portion of the active infusion device includes a micro-pump head 100, a controller 200, an infusion set 300 and a monitoring device 400, wherein the micro-pump head 100 and the infusion set 300 are used as disposable consumables.

The micro pump head 100 is used for driving the liquid medicine in the infusion assembly 300 to flow and be input into the vein of a patient, and the micro pump head 100 is provided with a liquid inlet 110 and a liquid outlet 120.

The controller 200 is used for controlling the micro pump head 100 to operate at a preset speed, the top of the controller 200 is provided with a mounting groove for accommodating the micro pump head 100, and the micro pump head 100 is detachably arranged on the mounting groove. Specifically, the controller 200 includes a casing 210, a pump driving mechanism, a single-chip microcomputer and a power module, wherein the pump driving mechanism, the single-chip microcomputer and the power module are disposed in the casing 210, a control button 220 and an alarm lamp 230 are disposed on the casing 210, the control button 220 is connected with an input end of the single-chip microcomputer through a wire, the alarm lamp 230 is connected with an output end of the single-chip microcomputer, and the power module supplies power to the single-chip microcomputer. The pump driving mechanism drives the liquid medicine in the liquid inlet pipe 320 to flow, in this embodiment, the pump driving mechanism is a small-sized stepper motor, an output shaft of the stepper motor is located in the mounting groove, and an insertion hole adapted to the output shaft of the stepper motor is provided at the bottom of the micro pump head 100. The controller 200 is used for controlling the flow rate of the liquid medicine in the liquid inlet pipe 320 and the liquid outlet pipe 330, ensuring that the speed of the medicine is uniform, and the medicine amount accurately and safely enters the patient body to play a role. In general, the flow rate of the infusion fluid is recommended to be 4 to 6 ml/min, namely, about 40 to 50 drops, the singlechip in the controller 200 presets the flow rate, pressure and bubble quantity or volume threshold, and the alarm lamp 230 blinks when the flow rate, pressure and bubble quantity of the medicine in the pipeline exceed the preset values. Or when the liquid medicine in the infusion bag is reduced to a certain amount, the pressure sensor transmits a signal to the controller 200, the controller 200 starts the alarm lamp 230, the alarm lamp 230 flashes to remind medical staff, and simultaneously, the alarm information is synchronously displayed on a display screen at the infusion position or a mobile phone terminal of a patient. In this embodiment, the power module includes one of a non-rechargeable battery, a power interface, and a wireless charging unit.

The infusion assembly 300 is used for storing and delivering liquid, specifically, the infusion assembly 300 includes an infusion bag 310, a liquid inlet pipe 320 and a liquid outlet pipe 330, the infusion bag 310 is located outside the controller 200, the infusion bag 310 is provided with an infusion cavity 3110 capable of storing liquid and a placing cavity 3120 for placing the controller 200, the infusion cavity 3110 and the placing cavity 3120 are not communicated with each other, the placing cavity 3120 is located at the upper end of the infusion bag 310, the top opening of the placing cavity 3120 is provided, one end of the liquid inlet pipe 320 is communicated with the infusion cavity 3110, the other end is connected with the liquid inlet 110 of the micro pump head 100, one end of the liquid outlet pipe 330 is connected with the liquid outlet 120, the other end is communicated with a vein of a human body through a vein needle 360 connected with the other end, and the liquid outlet pipe 330 is provided with a blood return preventing clamp 350 on a pipeline. In this embodiment, the infusion bag 310 is designed with a chamfer to prevent a patient from being injured, the cross section of the infusion cavity 3110 is concave, and the infusion bag is arranged around the placing cavity 3120, so that the stability of the whole infusion bag 310 during infusion is conveniently maintained, and the outer wall of the infusion cavity 3110 is transparent, so that observation is convenient. Preferably, in this embodiment, for the convenience of wearing by the patient, connectors are provided at both ends of the infusion bag 310, connection holes 3130 are provided at both ends of the infusion bag 310, and a binding band or an elastic telescopic band is detachably provided at the connection holes 3130. In addition, in order to prevent the inlet tube 320 from being located at one end of the infusion chamber 3110, that is, the inlet of the inlet tube 320 is blocked by the interior of the infusion bag 310, a hollowed-out ball cage 340 is provided at one end of the inlet tube 320 located in the infusion chamber 3110.

Preferably, in this embodiment, the monitoring device 400 further includes a flow sensor 410 and/or a pressure sensor 420 and a bubble sensor 430 disposed on the liquid outlet pipe 330, where the flow sensor 410 and/or the pressure sensor 420 and the bubble sensor 430 are electrically connected to the controller 200, and the controller 200 determines that the liquid outlet pipe 330 is blocked or the bubbles exceed a preset range according to the liquid medicine flow and/or the pressure and the bubble conditions in the liquid outlet pipe 330 monitored by the monitoring device 400, and outputs the pipeline alarm information. In the infusion process, the flow sensor 410 and/or the pressure sensor 420 can monitor the flow and pressure of the liquid medicine in the liquid outlet pipe 330, the bubble sensor 430 is used for monitoring whether bubbles exist in the liquid outlet pipe 330, so as to ensure the stability and safety of the infusion, meanwhile, the condition that the blood flows back easily when the pressure is insufficient is avoided, the alarm lamp 230 flashes, the blood return preventing clamp 350 clamps the pipeline, and the infusion is completed. In the present embodiment, the blood return prevention clip 350 may be a manual line clip or an electric pinch valve, and is not particularly limited as long as it can control the closing of the line clip. The controller 200 can realize safety monitoring and alarm control of the infusion process by outputting pipeline alarm information when judging that the liquid outlet pipe 330 is blocked or the air bubble exceeds the preset range, so that a patient or medical staff is conveniently prompted to adjust in time, and the situation that the pipeline is blocked for a long time or the liquid is conveyed too fast or too slow is avoided.

Referring to fig. 1 to 4, an active infusion device according to this embodiment is specifically used as follows:

Firstly, the infusion bag 310 is tied on the upper side of the arm of a patient through a connecting piece, the controller 200 is inserted into a placing cavity 3120 arranged on the infusion bag 310, then the micro pump head 100 is inserted into a mounting groove at the top end of the controller 200 and is fixedly connected with a pump driving mechanism, the intravenous needle 360 is connected to the vein of the patient, the blood return prevention clamp 350 is opened, at the moment, a control button 210 on the controller 200 is started, the pump driving mechanism drives the micro pump head 100 to start working at a preset speed, and the liquid medicine is conveyed into the patient through the action of the micro pump head 100. In the infusion process, the flow sensor 410, the pressure sensor 420 and the bubble sensor 430 monitor the flow, pressure and bubble of the liquid medicine in the pipeline in real time, and transmit the pressure, flow and bubble data to the controller 200, and when the flow, pressure or bubble of the medicine in the pipeline exceeds a preset value, the alarm lamp 260 blinks, the blood return prevention clamp 350 is clamped, and the infusion is completed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An active infusion device, comprising:

The micro pump head (100) is provided with a liquid inlet (110) and a liquid outlet (120);

The device comprises a controller (200), wherein the top of the controller (200) is provided with a mounting groove for accommodating a micro pump head (100), the micro pump head (100) is detachably arranged on the mounting groove, and the controller (200) is used for controlling the micro pump head (100) to work at a preset speed;

Infusion set (300), infusion set (300) include infusion bag (310), go into liquid pipe (320) and drain pipe (330), infusion bag (310) are provided with infusion chamber (3110) that can deposit liquid and place chamber (3120) of controller (200), infusion chamber (3110) and place chamber (3120) each other not communicate, place chamber (3120) are located the upper end of infusion bag (310), place the open-top in chamber (3120), the one end of going into liquid pipe (320) with infusion chamber (3110) intercommunication, the other end with the inlet (110) of micropump head (100) are connected, the one end and the outlet (120) of drain pipe (330) are connected, the other end communicates with the vein of human body.

2. An active infusion device as claimed in claim 1, wherein: connecting holes (3130) are respectively formed in two ends of the infusion bag (310), and binding bands or elastic telescopic bands are detachably arranged on the connecting holes (3130).

3. An active infusion device as claimed in claim 1, wherein: one end of the liquid inlet pipe (320) positioned in the infusion cavity (3110) is provided with a hollowed-out ball cage (340).

4. An active infusion device as claimed in claim 1, wherein: the liquid outlet pipe (330) is provided with a blood return prevention clamp (350).

5. An active infusion device as claimed in claim 1, wherein: one end of the liquid outlet pipe (330) far away from the liquid outlet (120) is connected with a vein needle (360).

6. An active infusion device as claimed in claim 1, wherein: the infusion lumen (3110) is concave in cross-section and is disposed around the placement lumen (3120).

7. An active infusion device according to any one of claims 1-6, wherein: the controller (200) comprises a shell (210), a pump driving mechanism, a singlechip and a power module, wherein the pump driving mechanism, the singlechip and the power module are arranged in the shell (210), a control button (220) and an alarm lamp (230) are arranged on the shell (210), the control button (220) is connected with the input end of the singlechip through a wire, the alarm lamp (230) is connected with the output end of the singlechip, and the power module supplies power for the singlechip.

8. The active infusion device of claim 7, wherein: the pump driving mechanism is a small-sized stepping motor, an output shaft of the stepping motor is positioned in the mounting groove, and a jack matched with the output shaft of the stepping motor is arranged at the bottom of the micro pump head (100).

9. The active infusion device of claim 7, wherein: the liquid outlet pipe monitoring device is characterized by further comprising a monitoring device (400), wherein the monitoring device (400) comprises a flow sensor (410) and/or a pressure sensor (420) and a bubble sensor (430) which are arranged on the liquid outlet pipe (330), the flow sensor (410) and/or the pressure sensor (420) and the bubble sensor (430) are/is electrically connected with the controller (200), and the controller (200) judges that the liquid outlet pipe (330) is blocked or bubbles exceed a preset range according to the liquid medicine flow and/or the pressure and the bubble conditions in the liquid outlet pipe (330) monitored by the monitoring device (400), and outputs pipeline alarm information.