CN214049958U

CN214049958U - Hemodialysis liquid supply device

Info

Publication number: CN214049958U
Application number: CN202022850626.5U
Authority: CN
Inventors: 祝荣文; 魏黔斌
Original assignee: Affiliated Hospital of Zunyi Medical University
Current assignee: Affiliated Hospital of Zunyi Medical University
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-08-27
Anticipated expiration: 2030-12-01

Abstract

The utility model discloses a hemodialysis liquid feeding device relates to medical auxiliary assembly field, has solved the current process that has the dialysate backward flow in the dialysate supply process, leads to the dialysate reagent to receive the problem of pollution, and its technical scheme main points are: the dialysate bottle comprises a dialysate bottle body, wherein a sealed liquid injection end is fixedly arranged at the central position of the upper surface of the dialysate bottle body, a liquid outlet pipe is fixedly arranged on one side of the upper surface of the dialysate bottle body, a negative pressure structure is arranged on one side of the dialysate bottle body, a connecting air pipe is fixedly arranged at the output end of the negative pressure structure, the tail end of the connecting air pipe is communicated with the dialysate bottle body, a dialysate reagent is arranged in the dialysate bottle body, the connecting air pipe is positioned above the liquid level of the dialysate reagent, and the liquid outlet pipe is positioned at the bottom end of the inner wall of the dialysate bottle body; the effect of improving connection stability is reached, simultaneously, has played the effect of anti-return, and is simple direct in the use.

Description

Hemodialysis liquid supply device

Technical Field

The utility model relates to a medical auxiliary assembly field, more specifically say, it relates to a hemodialysis liquid feeding device.

Background

The dialysate is the liquid which is needed to be aided by solute exchange with blood on both sides of the dialysis membrane through diffusion during hemodialysis. The dialysate contains K +, Na +, Ca2+, Mg2+, Cl-, HCO 3-and acetic acid. The dialysate has a certain osmotic pressure and is used for rectal, abdominal or extracorporeal dialysis. Hemodialysis (hemodia), also called artificial kidney and kidney washing in popular terms, is called Hemodialysis for short, and is one of the blood purification technologies. The device utilizes the principle of a semipermeable membrane, removes various harmful and redundant metabolic wastes and excessive electrolytes in the body out of the body by dispersion and convection to achieve the aim of purifying blood and achieve the aim of correcting water electrolyte and acid-base balance, is one of means for treating blood diseases at present, but in the using process, in the process of supplying dialysate to a dialysis device, in the process of fixing and removing a dialysate connecting port, the problem of backflow of dialysate in a dialysis machine can occur to cause the pollution of a dialysate reagent, and therefore, in order to solve the problems, the device for supplying hemodialysis solution is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hemodialysis liquid feeding device reaches the effect that improves connection stability, simultaneously, has played the effect of anti-return, and is simple direct in the use.

The above technical purpose of the present invention can be achieved by the following technical solutions: including the dialysate bottle body, dialysate bottle body upper surface central point puts fixed mounting and has sealed notes liquid end, just one side fixed mounting has the drain pipe on the dialysate bottle body, one side of dialysate bottle body is provided with the negative pressure structure, the output fixed mounting of negative pressure structure has the connection trachea, connect intercommunication between tracheal end and the dialysate bottle body, the inside of dialysate bottle body is provided with the dialysate reagent, it is located on the dialysate reagent liquid level to connect the trachea, the drain pipe is located the inner wall bottom of dialysate bottle body, just the terminal fixed mounting of drain pipe has a liquid end cap.

Through adopting above-mentioned technical scheme, utilize the mode of pressure boost among the device, carry the dislysate among the cerini dialyser cerini, also can be through changing the size of negative pressure structure delivery pressure, control the transport speed of dislysate.

The utility model discloses further set up to: the liquid outlet end cap is characterized in that a return blocking sleeve is fixedly mounted at the bottom end of the inside of the liquid outlet end cap, a blocking ball is arranged inside the return blocking sleeve, the blocking ball is close to one side of the outer wall of the liquid outlet end cap, a return spring is fixedly mounted at the other side of the blocking ball, and the return spring is fixedly connected with the return blocking sleeve.

Through adopting above-mentioned technical scheme, be provided with and hinder the return jacket, hinder the return jacket under the normal state, stifled ball is under the effect of return spring, stops up the one end that hinders the return jacket, makes and hinders that the return jacket is inside in the encapsulated situation to can play the effect of anti-return.

The utility model discloses further set up to: go out outer wall one side fixed mounting of liquid end cap and have interior tight ring piece, just threaded connection has the connection end cap on the circumference outer wall of liquid end cap, be evenly distributed and seted up U type slot on the interior tight ring piece, outer wall one side fixed mounting who connects the end cap has the locking cap that matches with interior tight ring piece.

Through adopting above-mentioned technical scheme, at the in-process of connecting play liquid end cap, fix the dislysate access hole through interior tight ring piece and locking sleeve cap, stability is higher.

The utility model discloses further set up to: the inner tight ring sheet is in an outward direction and is in an inverted frustum shape.

Through adopting above-mentioned technical scheme, because interior tight ring piece sets up to the form of the round platform of falling, at the in-process of rotating locking sleeve cap, can grasp the dislysate access hole, play the effect of fixed play liquid end cap.

The utility model discloses further set up to: the inner wall of the liquid outlet end cap is provided with a connecting plate in a sliding manner, a top column casing is fixedly arranged at the central position of one side of the connecting plate, which is close to the return-preventing sleeve, and the outer diameter of the top column casing is matched with the inner diameter of the return-preventing sleeve.

Through adopting above-mentioned technical scheme, the top position column casing that sets up is used for pushing up and opens stifled ball, makes to hinder that the back cover is inside to be in the circulation state.

The utility model discloses further set up to: a push plate is slidably mounted on one side, located on the connecting plate, of the liquid outlet end cap, a liquid inlet pipe is fixedly mounted at the center of one side, close to the connecting plate, of the push plate, and the outer diameter of the liquid inlet pipe is slidably connected with the top-position column barrel.

Through adopting above-mentioned technical scheme, match between the feed liquor pipe that sets up and the top position column casing, after stifled ball was opened on top position column casing top, the dialysate entered into the cerini dialyser cerini along the direction of hindering back cover, top position column casing and feed liquor pipe.

The utility model discloses further set up to: and a buffer spring is arranged on the circumferential outer wall of the liquid inlet pipe.

Through adopting above-mentioned technical scheme, removing the in-process that goes out the liquid end cap, the buffer spring that sets up makes the feed liquor pipe break away from a position column casing to stifled ball resumes to initial position, plays the effect of anti-reflux.

To sum up, the utility model discloses following beneficial effect has: the device utilizes the mode of pressure boost transport to carry out the dislysate and supplies, and stability is higher in the connection process to have the effect of anti-return, prevent that the dislysate reagent from receiving the pollution.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

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

fig. 2 is a sectional view of the dialysate bottle body of the present invention;

fig. 3 is a split view of the connection end cap member of the present invention.

In the figure: 1. a dialysate bottle body; 2. a negative pressure structure; 3. connecting an air pipe; 4. sealing the liquid injection end; 5. a liquid outlet pipe; 6. connecting an end cap; 7. locking the sleeve cap; 8. liquid outlet end caps; 9. a loop blocking sleeve; 10. a return spring; 11. blocking the ball; 12. jacking the column casing; 13. a connecting plate; 14. a liquid inlet pipe; 15. pushing the plate; 16. a buffer spring; 17. an inner tightening ring plate; 18. u-shaped groove.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings 1 to 3 and the embodiments.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the 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.

Example (b): the utility model provides a hemodialysis liquid feeding device, including

dialysate bottle body

1, 1 upper surface central point of dialysate bottle body puts fixed mounting has sealed notes

liquid end

4, and 1 upper surface one side fixed mounting of dialysate bottle body has drain pipe 5, one side of dialysate bottle body 1 is provided with negative pressure structure 2, negative pressure structure 2's output fixed mounting has connection trachea 3, connect intercommunication between trachea 3's the end and the dialysate bottle body 1, the inside of dialysate bottle body 1 is provided with the dialysate reagent, connect trachea 3 and be located on dialysate reagent liquid level, drain pipe 5 is located the inner wall bottom of dialysate bottle body 1, and the terminal fixed mounting of drain pipe 5 has a liquid end cap 8.

As shown in fig. 1 and 3, a back blocking sleeve 9 is fixedly installed at the bottom end inside the liquid outlet end cap 8, a blocking ball 11 is arranged inside the back blocking sleeve 9, the blocking ball 11 is close to one side of the outer wall of the liquid outlet end cap 8, a return spring 10 is fixedly installed at the other side of the blocking ball 11, the return spring 10 is fixedly connected with the back blocking sleeve 9, an inner tightening ring piece 17 is fixedly installed at one side of the outer wall of the liquid outlet end cap 8, a connecting end cap 6 is connected to the circumferential outer wall of the liquid outlet end cap 8 through threads, U-shaped grooves 18 are uniformly distributed on the inner tightening ring piece 17, a locking sleeve cap 7 matched with the inner tightening ring piece 17 is fixedly installed at one side of the outer wall of the connecting end cap 6, the inner tightening ring piece 17 is in an outward inverted circular truncated cone shape, a connecting plate 13 is slidably installed on the inner wall of the liquid outlet end cap 8, a top column 12 is fixedly installed at the central position of the connecting plate 13 close to one side of the back blocking sleeve 9, the outer diameter of the top column 12 is matched with the inner diameter of the back blocking sleeve 9, a push plate 15 is slidably mounted on one side of the connecting plate 13 inside the liquid outlet end cap 8, a liquid inlet pipe 14 is fixedly mounted at the center of one side of the push plate 15 close to the connecting plate 13, the outer diameter of the liquid inlet pipe 14 is slidably connected with the top column casing 12, and a buffer spring 16 is arranged on the circumferential outer wall of the liquid inlet pipe 14.

The working principle is as follows: in the using process, firstly, a dialysate reagent is injected into the dialysate bottle body 1 through the sealed liquid injection end 4, then the whole liquid outlet end cap 8 is placed on a dialysate inlet hole at a corresponding position on a dialyzer, the inlet hole on the dialyzer firstly extrudes the push plate 15 to drive the liquid inlet pipe 14 to move towards the inside of the top position column barrel 12 and drive the top position column barrel 12 to move towards the position of the return-blocking sleeve 9, the top position column barrel 12 firstly extrudes the blocking ball 11 to move towards the inner side, so that the inside of the return-blocking sleeve 9 is in a circulation state, then the end cap 6 is rotationally connected, and the dialysate inlet hole is fixed through the locking sleeve cap 7 and the inner tightening ring piece 17;

play negative pressure structure 2, to the inside delivery pressure of dialysate bottle body 1, because connect trachea 3 and be located the dialysis liquid level on, so the dislysate removes along drain pipe 5 to the dialyzer is inside, can be through changing the size of the inside delivery pressure of negative pressure structure 2, the admission speed of control dislysate.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A hemodialysis liquid supply device comprises a dialysate bottle body (1), and is characterized in that: the utility model discloses a dialysis liquid bottle, including dialysis liquid bottle body (1), upper surface central point puts fixed mounting and has sealed liquid end (4) of annotating, just dialysis liquid bottle body (1) upper surface one side fixed mounting has drain pipe (5), one side of dialysis liquid bottle body (1) is provided with negative pressure structure (2), the output fixed mounting of negative pressure structure (2) has connection trachea (3), communicate between the end of connecting trachea (3) and dialysis liquid bottle body (1), the inside of dialysis liquid bottle body (1) is provided with the dialysate reagent, it is located on the dialysate reagent liquid level to connect trachea (3), drain pipe (5) are located the inner wall bottom of dialysis liquid bottle body (1), just the terminal fixed mounting of drain pipe (5) has a liquid end cap (8).

2. The hemodialysis solution supply apparatus according to claim 1, wherein: the inside bottom fixed mounting who goes out liquid end cap (8) has and hinders back cover (9), the inside that hinders back cover (9) is provided with stifled ball (11), stifled ball (11) are close to outer wall one side of going out liquid end cap (8), just the opposite side fixed mounting of stifled ball (11) has back power spring (10), back power spring (10) and hinder back fixed connection between cover (9).

3. The hemodialysis solution supply apparatus according to claim 1, wherein: go out tight ring piece (17) in outer wall one side fixed mounting of liquid end cap (8), just threaded connection has connection end cap (6) on the circumference outer wall of liquid end cap (8), it has U type slot (18) to be evenly distributed to set up on interior tight ring piece (17), the outer wall one side fixed mounting of connection end cap (6) has locking sleeve cap (7) that matches with interior tight ring piece (17).

4. The hemodialysis solution supply apparatus according to claim 3, wherein: the inner tight ring piece (17) is in an outward direction inverted circular truncated cone shape.

5. The hemodialysis solution supply apparatus according to claim 1, wherein: the inner wall of the liquid outlet end cap (8) is provided with a connecting plate (13) in a sliding mode, a top column barrel (12) is fixedly installed at the center position, close to one side of the return preventing sleeve (9), of the connecting plate (13), and the outer diameter of the top column barrel (12) is matched with the inner diameter of the return preventing sleeve (9).

6. The hemodialysis solution supply apparatus according to claim 5, wherein: a push plate (15) is slidably mounted on one side, located on the connecting plate (13), of the interior of the liquid outlet end cap (8), a liquid inlet pipe (14) is fixedly mounted at the center of one side, close to the connecting plate (13), of the push plate (15), and the outer diameter of the liquid inlet pipe (14) is slidably connected with the top-position column barrel (12).

7. The hemodialysis solution supply apparatus according to claim 6, wherein: and a buffer spring (16) is arranged on the circumferential outer wall of the liquid inlet pipe (14).