CN215134415U

CN215134415U - High-precision quantitative water injection device for hemodialysis

Info

Publication number: CN215134415U
Application number: CN202120380950.7U
Authority: CN
Inventors: 艾国迎
Original assignee: Wuhan Huacheng Chuangfu Medical Technology Co ltd
Current assignee: Wuhan Huacheng Chuangfu Medical Technology Co ltd
Priority date: 2021-02-19
Filing date: 2021-02-19
Publication date: 2021-12-14
Anticipated expiration: 2031-02-19

Abstract

The utility model discloses a hemodialysis is with high accuracy ration water injection device relates to medical instrument technical field, including mixing liquid bucket and water tank, the top intercommunication of mixing liquid bucket has first inlet tube, the top intercommunication of first inlet tube has a water storage section of thick bamboo, the top intercommunication of a water storage section of thick bamboo has the second inlet tube, the tip intercommunication of second inlet tube has the water pump, the water inlet of water pump leads to pipe and the water tank is linked together, join in marriage on the second inlet tube and be equipped with electromagnetic flowmeter, the internally mounted of a water storage section of thick bamboo has level sensor. The electromagnetic flow meter is assembled on the second water inlet pipe, the liquid level sensor is arranged in the water storage barrel, the electromagnetic flow meter measures the amount of water entering the water storage barrel, the liquid level sensor detects the water level, and the accuracy of adding water is guaranteed through simultaneous measurement of the liquid level sensor and the liquid level sensor, so that quantitative water injection is realized.

Description

High-precision quantitative water injection device for hemodialysis

Technical Field

The utility model relates to the technical field of medical equipment, specifically a high accuracy ration water injection device for hemodialysis.

Background

The configuration of dialysate is one of the conventional works in hemodialysis centers, and dialysis refers to the movement of solutes from a highly concentrated solution to a less concentrated solution through a semi-permeable membrane, including the movement of solutes and the movement of water. In recent years, hemodialysis technology has been widely applied and developed in the medical field, the treatment range of hemodialysis is wider and wider, and hemodialysis centers of many medical units are scaled and have larger and larger workload. The task of dispensing hemodialysis concentrates is also becoming increasingly a significant problem in routine dialysis treatment tasks. In the past, because of the small workload, when preparing the hemodialysis concentrated solution, usually dry hemodialysis powder is poured into a solution preparation barrel, and a certain amount of water for dialysis is added.

At present, when adding dialysis water, mostly add by artifical utilization measuring vessel, have following drawback: 1. dialysis water is easily contaminated; 2. measuring is inaccurate; 3. the working strength is high, and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hemodialysis is with high accuracy ration water injection device, the outfit has electromagnetic flowmeter on the second inlet tube, and the internally mounted of a water storage section of thick bamboo has level sensor, by the earlier water yield that enters into a water storage section of thick bamboo of measurement of electromagnetic flowmeter, detects the water level by level sensor again, through both simultaneous measurements, guarantees to add the accuracy of water, realizes the ration water injection to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-precision quantitative water injection device for hemodialysis comprises a liquid mixing barrel and a water tank, wherein the top of the liquid mixing barrel is communicated with a first water inlet pipe, the top of the first water inlet pipe is communicated with a water storage barrel, the top of the water storage barrel is communicated with a second water inlet pipe, the end part of the second water inlet pipe is communicated with a water pump, the water inlet of the water pump is communicated with the water tank through a water pipe, an electromagnetic flow meter is assembled on the second water inlet pipe, a liquid level sensor is installed inside the water storage barrel, and a water injection switch is assembled on the first water inlet pipe;

the top of the liquid mixing barrel is rotatably provided with a steel pipe through a sealing bearing, the outside of the steel pipe is communicated with a connecting pipe, the surface of the connecting pipe is provided with an air hole, the upper end of the steel pipe is sleeved with a pneumatic rotary joint, the pneumatic rotary joint is communicated with a high-pressure air pipe and a steam air pipe, and the high-pressure air pipe and the steam air pipe are both provided with air pipe valves;

and a transmission device is arranged at the upper end of the steel pipe.

Preferably, the transmission device comprises a first gear sleeved outside the steel pipe, one side of the first gear is connected with a second gear in a meshed mode, the second gear is connected to the end portion of an output shaft of the motor in a key mode, and the motor is installed at the top of the liquid mixing barrel through a bolt.

Preferably, the pneumatic rotary joint is fixed on the top of the liquid mixing barrel through a connecting rod.

Preferably, the bottom of the liquid mixing barrel is communicated with a liquid discharge pipe, and a liquid discharge valve is assembled on the liquid discharge pipe.

Preferably, the bottom of the water storage cylinder is of a conical structure, and a liquid level line is arranged on the surface of the water storage cylinder.

Preferably, the bottom of the water storage cylinder is communicated with a drain pipe, and a drain valve is arranged on the drain pipe.

Preferably, the top of the liquid mixing barrel and the top of the water tank are both communicated with a liquid injection funnel, and a cover plate is assembled on the liquid injection funnel.

Preferably, the top of the cover plate is provided with an air hole, and a waterproof breathable film is arranged inside the air hole.

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

the utility model discloses mixing the liquid bucket through first inlet tube, a water storage section of thick bamboo, the second inlet tube, water pump and water tank intercommunication, and join in marriage on the second inlet tube and be equipped with electromagnetic flowmeter, the internally mounted of a water storage section of thick bamboo has level sensor, the water yield that enters into in the water storage section of thick bamboo by electromagnetic flowmeter earlier measurement, detect the water level by level sensor again, measure through both simultaneously, guarantee to add the accuracy of water, realize quantitative water injection, cause the pollution of dialysis water when avoiding adding, staff's work burden has been alleviateed.

Drawings

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

FIG. 2 is a schematic structural view of the water storage tank of the present invention;

fig. 3 is a schematic structural diagram of the steel pipe of the present invention.

In the figure: 1. a liquid mixing barrel; 2. a first water inlet pipe; 3. a water storage cylinder; 4. a second water inlet pipe; 5. a water pump; 6. a water tank; 7. an electromagnetic flow meter; 8. a liquid level sensor; 9. a water injection switch; 10. a steel pipe; 11. a connecting pipe; 12. air holes; 13. a pneumatic rotary joint; 14. a high-pressure air pipe; 15. a steam pipe; 16. an air pipe valve; 17. a first gear; 18. a second gear; 19. a motor; 20. a connecting rod; 21. a liquid level line; 22. a liquid discharge pipe; 23. and a water discharge pipe.

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.

Referring to fig. 1 to 3, the present invention provides a technical solution: a high-precision quantitative water injection device for hemodialysis mainly comprises a liquid mixing barrel 1, a water tank 6, an electromagnetic flowmeter 7, a water storage barrel 3, a liquid level sensor 8, a steel pipe 10, a high-pressure air pipe 14, a steam air pipe 15 and the like.

Mix liquid bucket 1 and be used for mixing blood and dialysis water, water tank 6 and mix 1 top of liquid bucket are equipped with the notes liquid funnel, join in marriage on the funnel and are equipped with the apron, and the top of apron is seted up has the gas pocket, and the inside of gas pocket is equipped with waterproof ventilated membrane to the bottom intercommunication of mixing liquid bucket 1 has fluid-discharge tube 22, joins in marriage on the fluid-discharge tube 22 and is equipped with the flowing back valve, is convenient for discharge the blood after mixing.

The water tank 6 is used for containing dialysis water, the top of the water tank is provided with a dialysis water adding port, and the water tank 6 and the water storage barrel 3 are both made of transparent hard plastics, so that the liquid level can be observed conveniently.

The bottom of a water storage cylinder 3 sets up to the toper structure, conveniently with during water drainage mixes liquid bucket 1, and the surface of a water storage cylinder 3 is equipped with liquid level line 21, after entering into a water storage cylinder 3, can roughly observe the position of water through liquid level line 21, if deviate too much, can in time handle, and there is drain pipe 23 in the bottom intercommunication of a water storage cylinder 3, install drainage valve on the drain pipe 23, when the water level surpassed more, can open drain pipe 23 and carry out the unnecessary water of discharge.

The electromagnetic flow meter 7 is connected with the water pump 5 through the controller and used for controlling the water pump 5 to work, when the preset water amount is reached, the water pump 5 stops working, and automatic water injection is realized.

The level sensor 8 is a pressure sensor that measures the liquid level. The static pressure drop-in type liquid level transmitter (level gauge) is based on the principle that the measured liquid static pressure is proportional to the height of the liquid, and adopts an advanced foreign isolation type diffused silicon sensitive element or a ceramic capacitance pressure sensitive sensor to convert the static pressure into an electric signal, and then the electric signal is subjected to temperature compensation and linear correction.

The steel pipe 10 can rotate under transmission's drive, can stir the mixture to mixed blood and dialysis water, can let in the high-pressure gas that slightly is greater than normal atmospheric pressure in with steel pipe 10, connecting pipe 11 through high-pressure gas pipe 14 simultaneously, can play the effect that turns over to the mixed liquid, improves mixing efficiency.

Steam trachea 15 and steam engine intercommunication use when wasing, look for that to let in high-pressure steam to mixing liquid bucket 1 through steam trachea 15, steel pipe 10, connecting pipe 11, do benefit to and disinfect to mixing liquid bucket 1 inside.

The connection relationship and the positional relationship between the components in the present embodiment will be described below;

the top of the liquid mixing barrel 1 is communicated with a first water inlet pipe 2, the top of the first water inlet pipe 2 is communicated with a water storage barrel 3, the top of the water storage barrel 3 is communicated with a second water inlet pipe 4, the end part of the second water inlet pipe 4 is communicated with a water pump 5 which is a miniature water suction pump, the noise is low, the vibration is low, the working voltage is low, a water inlet of the water pump 5 is communicated with a water tank 6 through a water pipe, the second water inlet pipe 4 is provided with an electromagnetic flowmeter 7, the inside of the water storage barrel 3 is provided with a liquid level sensor 8, the first water inlet pipe 2 is provided with a water injection switch 9, and after the measurement is finished, the water injection switch 9 is opened to facilitate the injection of the water in the water storage barrel 3 into the liquid mixing barrel 1;

the top of the liquid mixing barrel 1 is rotatably provided with a steel pipe 10 through a sealing bearing, the outside of the steel pipe 10 is communicated with a connecting pipe 11, the surface of the connecting pipe 11 is provided with an air hole 12, the upper end of the steel pipe 10 is sleeved with a pneumatic rotary joint 13, the pneumatic rotary joint 13 is fixed on the top of the liquid mixing barrel 1 through a connecting rod 20, and the pneumatic rotary joint 13 is communicated with a high-pressure air pipe 14 and a steam air pipe 15;

further, in practical application, the high-pressure air pipe 14 and the steam air pipe 15 are both provided with air pipe valves 16, the valves on the steam air pipe 15 are closed during ventilation, and the valves on the high-pressure air pipe 14 are closed during disinfection;

the upper end of the steel pipe 10 is provided with a transmission device. The transmission device comprises a first gear 17 sleeved outside the steel pipe 10, one side of the first gear 17 is meshed with a second gear 18, the second gear 18 is connected to the end portion of an output shaft of a motor 19 through a key, the motor 19 is installed at the top of the liquid mixing barrel 1 through a bolt, and the motor 19 can drive the steel pipe 10 and the connecting pipe 11 to rotate through the second gear 18 and the first gear 17.

The working principle is as follows: when the device is used, blood is injected into the liquid mixing barrel 1, then the water pump 5 is started to pump water in the water tank 6 into the water storage barrel 3 through the second water inlet pipe 4, the amount of water entering the water storage barrel 3 is firstly measured by the electromagnetic flowmeter 7, then the water level is detected by the liquid level sensor 8, the accuracy of water addition is ensured through simultaneous measurement of the water amount and the water level, quantitative water injection is realized, meanwhile, the motor 19 is started to drive the steel pipe 10 and the connecting pipe 11 to rotate through the second gear 18 and the first gear 17, the mixed liquid is stirred, after the mixed liquid is fused, the liquid discharge valve on the liquid discharge pipe 22 is opened, and the mixed blood is discharged;

when the liquid mixing barrel is cleaned, high-pressure steam is introduced into the liquid mixing barrel 1 through the steam air pipe 15, the steel pipe 10 and the connecting pipe 11, and the inside of the liquid mixing barrel 1 is sterilized.

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

Claims

1. The utility model provides a hemodialysis is with high accuracy ration water injection device, includes muddy liquid bucket (1) and water tank (6), its characterized in that: the liquid mixing device is characterized in that the top of the liquid mixing barrel (1) is communicated with a first water inlet pipe (2), the top of the first water inlet pipe (2) is communicated with a water storage barrel (3), the top of the water storage barrel (3) is communicated with a second water inlet pipe (4), the end part of the second water inlet pipe (4) is communicated with a water pump (5), a water inlet of the water pump (5) is communicated with a water tank (6) through a water pipe, the second water inlet pipe (4) is provided with an electromagnetic flow meter (7), a liquid level sensor (8) is installed inside the water storage barrel (3), and the first water inlet pipe (2) is provided with a water injection switch (9);

the top of the liquid mixing barrel (1) is rotatably provided with a steel pipe (10) through a sealing bearing, the outside of the steel pipe (10) is communicated with a connecting pipe (11), the surface of the connecting pipe (11) is provided with an air hole (12), the upper end of the steel pipe (10) is sleeved with a pneumatic rotary joint (13), the pneumatic rotary joint (13) is communicated with a high-pressure air pipe (14) and a steam air pipe (15), and air pipe valves (16) are arranged on the high-pressure air pipe (14) and the steam air pipe (15);

and a transmission device is arranged at the upper end of the steel pipe (10).

2. The high-precision quantitative water-filling device for hemodialysis according to claim 1, comprising: the transmission device comprises a first gear (17) sleeved outside the steel pipe (10), a second gear (18) is meshed and connected to one side of the first gear (17), the second gear (18) is connected to the end portion of an output shaft of a motor (19) through a key, and the motor (19) is installed at the top of the liquid mixing barrel (1) through a bolt.

3. The high-precision quantitative water-filling device for hemodialysis according to claim 1, comprising: the pneumatic rotary joint (13) is fixed at the top of the liquid mixing barrel (1) through a connecting rod (20).

4. The high-precision quantitative water-filling device for hemodialysis according to claim 1, comprising: the bottom of the liquid mixing barrel (1) is communicated with a liquid discharge pipe (22), and a liquid discharge valve is assembled on the liquid discharge pipe (22).

5. The high-precision quantitative water-filling device for hemodialysis according to claim 1, comprising: the bottom of the water storage cylinder (3) is of a conical structure, and a liquid level line (21) is arranged on the surface of the water storage cylinder (3).

6. The high-precision quantitative water-filling device for hemodialysis according to claim 5, comprising: the bottom of the water storage cylinder (3) is communicated with a drain pipe (23), and a drain valve is arranged on the drain pipe (23).

7. The high-precision quantitative water-filling device for hemodialysis according to claim 1, comprising: the top of the liquid mixing barrel (1) and the top of the water tank (6) are both communicated with a liquid injection funnel, and a cover plate is assembled on the liquid injection funnel.

8. The high-precision quantitative water-filling device for hemodialysis according to claim 7, comprising: the top of the cover plate is provided with an air hole, and a waterproof breathable film is arranged inside the air hole.