CN211835603U

CN211835603U - Automatic infusion switching device

Info

Publication number: CN211835603U
Application number: CN201921821905.XU
Authority: CN
Inventors: 陈锋州
Original assignee: Zhejiang Cancer Hospital
Current assignee: Zhejiang Cancer Hospital
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-11-03
Anticipated expiration: 2029-10-28

Abstract

The utility model relates to the technical field of medical equipment, in particular to an automatic transfusion switching device, which comprises a gravity sensing weighing system, the gravity sensing weighing system comprises a plurality of weighing modules, a saline bag is arranged below each weighing module, the gravity sensing weighing system also comprises a weighing module provided with a washing bag below, an electromagnetic valve is arranged below the saline water bag, a plurality of saline bag access ports are arranged on the upper surface of the electromagnetic valve, a lower end path is arranged below the electromagnetic valve, a flushing inlet and a main output interface are sequentially arranged on the path at the lower end from left to right, the flushing inlet is connected with an outlet below the flushing bag, the main output interface is connected with a liquid conveying pipe, a flow velocity meter, a Murphy dropper and an adjuster are sequentially arranged on the liquid conveying pipe and below the electromagnetic valve, and the flow velocity meter, the electromagnetic valve and the gravity sensing weighing system are connected with a PC terminal. The utility model discloses but automatic switch-over infusion bag, the measurement velocity of flow controls infusion process.

Description

Automatic infusion switching device

Technical Field

The utility model relates to a medical equipment technical field specifically is an automatic infusion auto-change over device.

Background

Intravenous infusion is one of clinical common nursing technical operations, at present, 70% of hospitalized patients need to receive intravenous infusion treatment, and during the infusion process, nurses are required to constantly visit wards or family members for nursing at intervals, so that the workload is extremely large. However, the infusion time is generally long and the hospital is various, so that the situations of energy dispersion and insufficient hands are inevitable. If no person is in care of the infusion apparatus, the patient needs to worry about the infusion process all the time in the infusion process, so that the patient is stressed greatly, and the patient cannot have a good rest during infusion. While not timely withdrawing the infusion needle may not present a life hazard, the appearance of venous return may present a level of disconcerting to patients who do not have substantial medical knowledge, affecting the normal functioning of the hospital.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic infusion auto-change over device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an automatic transfusion switching device comprises a gravity sensing weighing system, wherein the gravity sensing weighing system comprises a plurality of weighing modules, the saline water bag is arranged below each weighing module, the gravity sensing weighing system also comprises a weighing module provided with a flushing bag below, an electromagnetic valve is arranged below the saline bag, a plurality of saline bag access ports are arranged on the upper surface of the electromagnetic valve, the saline water bag inlets are correspondingly connected with the outlets below the saline water bags one by one, the lower end path is arranged below the electromagnetic valve, a flushing inlet and a main output interface are sequentially arranged on the path at the lower end from left to right, the flushing inlet is connected with an outlet below the flushing bag, the main output interface is connected with a liquid conveying pipe, a flow velocity meter, a Murphy dropper and an adjuster are sequentially arranged on the liquid conveying pipe and below the electromagnetic valve, and the flow velocity meter, the electromagnetic valve and the gravity sensing weighing system are connected with a PC terminal.

Preferably: the inside three-layer that divide into of weighing module, the inside top of weighing module is equipped with the bearing plate, the bearing plate below is equipped with the gasket, the gasket below is equipped with deformation formula sensing piece, deformation formula sensing piece below is equipped with the gasket, the inside bottom of weighing module is equipped with the installation base.

Preferably: the electromagnetic valve is characterized in that a valve signal access module is arranged on the right side of the electromagnetic valve and connected with an electromagnetic relay module inserted into the electromagnetic valve, an internal passage is formed between the electromagnetic relay module and the inner wall of the electromagnetic valve, and electromagnetic contacts are arranged in the internal passage and correspond to the flushing inlet, the main output interface and the saline bag access ports one to one respectively.

Preferably: the flowmeter is characterized in that the outer surface of the flowmeter is a triangular prism, a display screen is arranged on one side of the flowmeter, a flowmeter switch is arranged on the adjacent side of the display screen, a flat cable connector is arranged beside the flowmeter switch, the two ends of the flowmeter are provided with the flowmeter connectors, a Venturi tube is arranged inside the flowmeter, two-point pressure detection points are arranged at the narrow part of the Venturi tube, and a pressure monitoring module is further arranged inside the flowmeter.

Preferably: the numerical value signal of the flow rate meter is connected with a valve signal access module on the electromagnetic valve through a flat cable interface, the signal is also sent to the gravity sensing weighing system, and the weighing module signal of the flushing bag and the weighing module signal of the saline water bag are independently connected with a PC terminal.

Compared with the prior art, the beneficial effects of the utility model are that:

1. by utilizing the setting of the PC terminal and the flow setting of the electromagnetic valve, the switching and flushing time of the transfusion saline bag can be automatically controlled, the phenomenon that a transfusion needle is not pulled out in time can be avoided, the mental cost of nursing for a patient is reduced, the patient can be treated with ease, and better rehabilitation is facilitated. The occurrence of adverse reactions is reduced, and potential medical risks are reduced.

2. Reduce the nursing cost, but solenoid valve automatic switch-over salt water bag, salt water bag can dispose in advance, need not artifical the change, and the adjustable velocity of flow of cooperation gravity sensing weighing system improves the nursing quality, lets the better ward tour of nurse, in time handles the patient's state of an illness. But also can reduce the configuration of nursing staff and optimize the staff structure.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of a gravity sensing weighing system of the present invention;

fig. 3 is a schematic structural view of the electromagnetic valve of the present invention;

fig. 4 is a side view of the solenoid valve structure of the present invention;

fig. 5 is a sectional view of the electromagnetic valve structure of the present invention;

fig. 6 is a schematic front view of the flow meter of the present invention;

fig. 7 is a schematic back view of a flow rate meter according to the present invention;

fig. 8 is a sectional view of a flow rate meter according to the present invention.

In the figure: 1. a gravity sensing weighing system; 10. a saline bag; 101. washing the bag; 11. a weighing module; 12. a bearing plate; 13. a gasket; 14. a deformation type sensor sheet; 15. installing a base; 2. an electromagnetic valve; 21. a valve signal access module; 211. an electromagnetic relay module; 22. a lower end path; 23. a main output interface; 24. a flushing inlet; 25. a saline bag access port; 26. an electromagnetic contact; 27. an internal passageway; 3. a flow rate meter; 31. a pressure monitoring module; 32. a display screen; 33. an anemometer interface; 34. a flat cable interface; 35. a flow meter switch; 36. a venturi tube; 37. a pressure detection point; 4. a Murphy dropper; 5. a regulator; 6. a transfusion tube; 7. and a PC terminal.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-8, the present invention provides a technical solution:

an automatic transfusion switching device comprises a gravity sensing weighing system 1, wherein the gravity sensing weighing system 1 comprises a plurality of weighing modules 11, a saline bag 10 is arranged below each weighing module 11, the gravity sensing weighing system 1 further comprises a weighing module 11 provided with a flushing bag 101 below, an electromagnetic valve 2 is arranged below the saline bag 10, a plurality of saline bag inlets 25 are arranged on the upper surface of the electromagnetic valve 2, the saline bag inlets 25 are connected with outlets below the saline bag 10 in a one-to-one correspondence manner, a lower end path 22 is arranged below the electromagnetic valve 2, a flushing inlet 24 and a main output interface 23 are sequentially arranged on the lower end path 22 from left to right, the flushing inlet 24 is connected with the outlet below the flushing bag 101, the main output interface 23 is connected with a transfusion tube 6, a flow rate meter 3, a Murphy dropper 4 and a regulator 5 are sequentially arranged on the transfusion tube 6 and below the electromagnetic valve 2, the flow rate meter 3, The electromagnetic valve 2 and the gravity sensing weighing system 1 are connected with a PC terminal 7.

In particular, the access of the flush bag 101 from below into the solenoid valve 2 allows a complete circulation of fluid to be performed so that the flushing within the valve is more complete.

The inside three-layer that divide into of weighing module 11, the inside top of weighing module 11 is equipped with bearing plate 12, and bearing plate 12 below is equipped with

gasket

13, and 13 below gaskets are equipped with deformation formula sensing piece 14, and 14 below of deformation formula sensing piece are equipped with

gasket

13, and 11 inside bottoms of weighing module are equipped with installation base 15.

Specifically, the deformation sensor sheet 14 is an HX711 module weighing sensor manufactured by yunhui corporation. The installation base 15 can be additionally provided with a butt joint structure with the saline water bag 10 and the flushing bag 101, and the bearing plate 12 can be provided with a suspension structure.

Further, in the debugging process of the weighing module 11, the weight of the equipment below needs to be reduced, the average value is obtained in a non-load mode for multiple times, and an ESP8266 WIFI module CP2102 produced by TELESKY company is also configured inside the weighing module 11 and used for being connected with the PC terminal 7.

The right side of the electromagnetic valve 2 is provided with a valve signal access module 21, the valve signal access module 21 is connected with an electromagnetic relay module 211 inserted in the electromagnetic valve 2, an internal passage 27 is formed between the electromagnetic relay module 211 and the inner wall of the electromagnetic valve 2, and electromagnetic contacts 26 are respectively arranged in the internal passage 27 and in one-to-one correspondence with the flushing inlet 24, the main output interface 23 and the saline bag access ports 25.

Specifically, the electromagnetic contact 26 is a POGOPIN pin of CHGKJ brand, and the electromagnetic relay module 211 receives the signal and forms a logic flow to control the opening and closing of each valve.

The appearance of the flow meter 3 is triangular prism, a display screen 32 is arranged on one side of the flow meter 3, a flow meter switch 35 is arranged on the adjacent side of the display screen 32, a flat cable connector 34 is arranged beside the flow meter switch 35, flow meter connectors 33 are arranged at two ends of the flow meter 3, a Venturi tube 36 is arranged inside the flow meter 3, two-point pressure detection points 37 are arranged at the narrow part of the Venturi tube 36, and a pressure monitoring module 31 is arranged inside the flow meter 3.

Specifically, the venturi tube 36 is a section of pipe with a reduced diameter in the middle, when the flow passes through the pipe, the change in diameter will bring about a change in the pressure of the inner wall, and the pressure difference is related to the flow rate, so that the current flow rate can be inversely calculated by monitoring the parameters through the pressure sensor.

The display screen 32 is a 0.96-inch OLED display screen 32 manufactured by seikawa corporation, and the pressure monitoring module 31 used herein is a BME280 embedded pressure monitoring module 31.

Furthermore, the two ends of the venturi tube 36 need to be sterilized each time they are used, and the treatment method is fumigation with glacial acetic acid. The waterproof process rating of the flowmeter 3 is not lower than IPX 8. The two ends of the Venturi tube 36 are provided with threads which can be butted with a PN4612 type disposable antibacterial joint.

Specifically, the venturi tube 36 may be provided with a disposable soft membrane tube therein for improving the sterility of the entire apparatus, and the old membrane tube may be discarded and replaced with a new one after each use.

The numerical value signal of the flow meter 3 is connected with the valve signal access module 21 on the electromagnetic valve 2 through the flat cable interface 34, the signal is also sent to the gravity sensing weighing system 1, and the weighing module 11 signal of the flushing bag 101 and the weighing module 11 signal of the saline water bag 10 are independently connected with the PC terminal 7.

Specifically, the current flow rate information is sent to the weighing module 11 by the flow rate meter 3, the time required by the current flow total calculation is combined, and when the patient hanging up within 20min is expected to be displayed with a front yellow label on the display page of the PC terminal 7, the nurse is prompted to be able to configure the next bag of saline; and the patient who hangs up within the expected 10min is displayed with a red mark to indicate that the transfusion is about to be finished. When the infusion is about to be finished, an early warning signal is sent out on the PC terminal, and when the infusion is finished or a fault occurs, an alarm signal is sent out.

If a plurality of bags of saline water are configured, a flow is set on the PC terminal 7, and signals are sent to the weighing module 11 in a wireless mode and then sent to the electromagnetic valve 2 for control; in addition, in the valve switching logic, when one bag of saline is hung up, the valve can be automatically switched to the normal saline for flushing for 2min and then switched to the other bag of saline.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An automatic infusion switching device, includes gravity sensing weighing system (1), its characterized in that: the gravity sensing weighing system (1) comprises a plurality of weighing modules (11), a saline bag (10) is arranged below each weighing module (11), the gravity sensing weighing system (1) further comprises a weighing module (11) provided with a flushing bag (101) below, an electromagnetic valve (2) is arranged below the saline bag (10), a plurality of saline bag inlets (25) are arranged on the upper surface of the electromagnetic valve (2), the saline bag inlets (25) are connected with outlets below the saline bags (10) in a one-to-one correspondence manner, a lower end path (22) is arranged below the electromagnetic valve (2), a flushing inlet (24) and a main output interface (23) are sequentially arranged on the lower end path (22) from left to right, the flushing inlet (24) is connected with the outlet below the flushing bag (101), and the main output interface (23) is connected with a perfusion tube (6), the infusion tube (6) is sequentially provided with a flow rate meter (3), a Murphy dropper (4) and an adjuster (5) below the electromagnetic valve (2), and the flow rate meter (3), the electromagnetic valve (2) and the gravity sensing weighing system (1) are connected with a PC terminal (7).

2. The automatic infusion switching device of claim 1, wherein: the utility model discloses a weighing module, including weighing module (11), weighing module (11) inside is divided into the three-layer, weighing module (11) inside top is equipped with bearing plate (12), bearing plate (12) below is equipped with gasket (13), gasket (13) below is equipped with deformation formula sensing piece (14), deformation formula sensing piece (14) below is equipped with gasket (13), weighing module (11) inside bottom is equipped with installation base (15).

3. The automatic infusion switching device of claim 2, wherein: electromagnetic valve (2) right side is equipped with valve signal access module (21), valve signal access module (21) are connected and are inserted electromagnetic relay module (211) inside electromagnetic valve (2), internal passage (27) have been constituteed between electromagnetic relay module (211) and electromagnetic valve (2) inner wall, internal passage (27) in and with wash entry (24), main output interface (23) and a plurality of salt solution bag access mouth (25) one-to-one are equipped with electromagnetic contact (26) respectively.

4. The automatic infusion switching device of claim 1, wherein: the outer surface of the flow meter (3) is triangular prism, one side of the flow meter (3) is provided with a display screen (32), the adjacent side of the display screen (32) is provided with a flow meter switch (35), a flat cable connector (34) is arranged beside the flow meter switch (35), flow meter connectors (33) are arranged at two ends of the flow meter (3), a Venturi tube (36) is arranged inside the flow meter (3), two-point pressure detection points (37) are arranged at the narrow part of the Venturi tube (36), and a pressure monitoring module (31) is further arranged inside the flow meter (3).

5. The automatic infusion switching device of claim 4, wherein: the numerical value signal of the flow meter (3) is connected with a valve signal access module (21) on the electromagnetic valve (2) through a flat cable interface (34), the signal is also sent to the gravity sensing weighing system (1), and the signal of a weighing module (11) of the flushing bag (101) and the signal of a weighing module (11) of the saline water bag (10) are independently connected with a PC terminal (7).