Degassing device for blood purification
By introducing a drainage channel and an exhaust pipe structure into the blood purification device, the problem of bubbles generated during reverse osmosis water heating is solved, achieving effective separation of gas and liquid and ensuring patient safety.
Patent Information
- Application Number
- CN202422753873.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-11-12
AI Technical Summary
In existing blood purification devices, air bubbles generated during the heating process of reverse osmosis water may enter the blood, causing air embolism and threatening the patient's life.
A degassing device for blood purification is designed. By setting a drainage channel and an exhaust pipe in the receiving cavity, the difference in liquid level of reverse osmosis water is used to cause the bubbles to burst, and the gas escapes and rises to be discharged from the exhaust pipe, thereby achieving the separation of gas and liquid.
It effectively removes air bubbles from the reverse osmosis water, preventing gas from entering the bloodstream, reducing the risk of air embolism, and ensuring patient safety.
Smart Images
Figure CN223586316U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of medical apparatus and instruments, and particularly relates to a gas removal device for blood purification. BACKGROUND
[0002] Blood purification is a treatment mode for replacing kidney work of patients with end-stage renal disease, and its principle is that blood is introduced into a blood return side of a hemodialysis machine through a blood pump, and dialysate is introduced into a dialysate side of the hemodialysis machine, small and medium molecular substances in the dialysate and the blood exchange materials through a semi-permeable membrane, the reverse osmosis water in the equipment is heated and treated, and other solutions are matched to form dialysate, air bubbles are generated in the heating process of the reverse osmosis water, the air bubbles enter the blood, air embolism is possibly generated, and the life of the patient is threatened. SUMMARY
[0003] In view of the defects of the prior art, the purpose of the utility model is to provide a gas removal device for blood purification, reverse osmosis water mixed with gas enters the containing cavity after entering through the liquid inlet pipe, when the liquid level of the reverse osmosis water in the containing cavity is higher than the groove bottom of the drainage groove, the reverse osmosis water enters the drainage groove, the reverse osmosis water falls back into the tank through the drainage of the drainage groove, when the reverse osmosis water in the tank is filled more, the reverse osmosis water flows out from the liquid outlet pipe. In the flowing process of the reverse osmosis water, the air bubbles are broken, the air rises, and the gas is discharged from the exhaust pipe.
[0004] The purpose of the utility model can be achieved through the following technical solutions:
[0005] A gas removal device for blood purification comprises:
[0006] A tank body, a liquid inlet pipe communicated with the inside of the tank body is fixedly connected to the bottom of the tank body along the axis line thereof, the upper end of the liquid inlet pipe extends into the tank body, and a liquid outlet pipe communicated with the inside of the tank body is fixedly connected to the sidewall of the bottom of the tank body;
[0007] A cover body is fixedly connected to the top end of the tank body, and an exhaust pipe communicated with the inside of the cover body is fixedly connected to the cover body;
[0008] A drainage disc is fixedly connected to the top end of the liquid inlet pipe, a containing cavity is formed in the middle of the drainage disc, the containing cavity is communicated with the liquid inlet pipe, a plurality of drainage grooves are formed in the upper surface of the drainage disc and are uniformly distributed along the circumferential direction of the drainage disc, and the drainage grooves are communicated with the containing cavity.
[0009] The above technical solutions have the following principles and technical effects:
[0010] When the reverse osmosis water mixed with gas enters from the liquid inlet pipe and gathers in the containing cavity, when the liquid level of the reverse osmosis water in the containing cavity is higher than the groove bottom of the drainage groove, the reverse osmosis water enters the drainage groove, and through the drainage of the drainage groove, the reverse osmosis water falls back into the tank body, and when the reverse osmosis water in the tank body is filled more, the reverse osmosis water flows out from the liquid outlet pipe. In the process of flowing, the bubbles break, the air rises, and the gas is discharged from the exhaust pipe.
[0011] In a preferred example, the utility model discloses further can be configured as: the tank body is the conical structure, and its diameter decreases from top to bottom.
[0012] In a preferred example, the utility model discloses further can be configured as: the drainage disc is the conical structure, and its diameter increases from top to bottom.
[0013] In a preferred example, the utility model discloses further can be configured as: the gap is left between the circumferential side of the drainage disc and the inner wall of the tank body.
[0014] In a preferred example, the utility model discloses further can be configured as: the cover body is the bowl-shaped structure of inverted buckle.
[0015] In a preferred example, the utility model discloses further can be configured as: the drainage disc is provided with a plurality of air holes.
[0016] In a preferred example, the utility model discloses further can be configured as: the upper end of the containing cavity is provided with an umbrella cap, and the umbrella cap and the drainage disc are fixedly connected with the connecting column.
[0017] The nouns, conjunctions or adjective parts involved in the above technical solutions are explained as follows:
[0018] Fixed connection refers to the connection of parts or components after being fixed, without any relative movement. It is divided into two kinds: detachable connection and non-detachable connection.
[0019] (1) detachable connection is to fix the parts together by using screw, spline, wedge pin, etc. This connection mode can be disassembled during maintenance, and the parts will not be damaged. However, the specifications of the connecting parts (such as bolt, key and wedge pin) must be correct, and the fastening must be appropriate.
[0020] (2) non-detachable connection mainly refers to welding, riveting and over mortise cooperation, etc. Because maintenance or replacement needs to be forged, sawed or oxygen cut to disassemble, so the parts generally cannot be used twice. At the same time, attention should be paid to the process quality, technical detection and remedial measures (such as correction, polishing, etc.) during connection.
[0021] Threaded connection refers to the detachable connection of connecting parts by using threaded parts (or threaded parts of connected parts).
[0022] Sliding connection refers to the contact of two objects, but not fixed, and the two can slide relative to each other.
[0023] Rotary connection refers to the connection between parts can make parts rotate relative to each other.
[0024] The beneficial effects of the utility model are:
[0025] When the reverse osmosis water mixed with gas enters from the liquid inlet pipe and gathers in the containing cavity, when the liquid level of the reverse osmosis water in the containing cavity is higher than the groove bottom of the drainage groove, the reverse osmosis water will enter the drainage groove, and through the drainage of the drainage groove, the reverse osmosis water falls back to the tank body, when the reverse osmosis water in the tank body is filled more, the reverse osmosis water flows out from the liquid outlet pipe. In the process of flowing, the bubbles break, the air rises, and the gas will escape and rise from the exhaust pipe. BRIEF DESCRIPTION OF DRAWINGS
[0026] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced, and obviously, for those skilled in the art, other drawings can also be obtained without creative labor.
[0027] Figure 1 It is the whole structure internal schematic diagram of the utility model embodiment;
[0028] Figure 2 It is the whole structure external schematic diagram of the utility model embodiment;
[0029] Figure 3 It is the drainage disc structure schematic diagram of the utility model embodiment;
[0030] Figure 4 It is the cavity structure schematic diagram of the utility model embodiment. DETAILED DESCRIPTION
[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0032] In the description of the utility model, it is understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery" and the like indicate the orientation or positional relationship, which is only for the convenience of describing the utility model and simplifying the description, and is not intended to indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.
[0033] According to the conception of the present application, an embodiment of a gas removal device for blood purification is described herein Figures 1 to 4 Specifically, the gas removal device for blood purification is configured in a split structure, which has a tank body 1, a cover body 2, a drainage disc 3 and the like. Through the cooperation of the structures such as the liquid inlet pipe 11, the exhaust pipe 21, the containing cavity 31, the drainage groove 32 and the like, when the reverse osmosis water mixed with gas enters from the liquid inlet pipe 11 and is collected in the containing cavity 31, when the liquid level of the reverse osmosis water in the containing cavity 31 is higher than the groove bottom of the drainage groove 32, the reverse osmosis water will enter the drainage groove 32, and through the drainage of the drainage groove 32, the reverse osmosis water falls back into the tank body 1, when the tank body 1 is filled with more reverse osmosis water, the reverse osmosis water flows out from the liquid outlet pipe 12. In the flowing process of the reverse osmosis water, the bubbles break, the air rises, and the gas will escape and rise to be discharged from the exhaust pipe 21.
[0034] As Figures 1 to 4 shown, a gas removal device for blood purification comprises:
[0035] a tank body 1, the bottom of the tank body 1 is fixedly connected with a liquid inlet pipe 11 communicating with the inside thereof along the axis thereof, the upper end of the liquid inlet pipe 11 extends into the tank body 1, and the bottom side wall of the tank body 1 is fixedly connected with a liquid outlet pipe 12 communicating with the inside thereof;
[0036] a cover body 2, the cover body 2 is fixedly connected to the top end of the tank body 1, and the cover body 2 is fixedly connected with an exhaust pipe 21 communicating with the inside thereof;
[0037] a drainage disc 3, the drainage disc 3 is fixedly connected to the top end of the liquid inlet pipe 11, the middle of the drainage disc 3 is provided with a containing cavity 31, the containing cavity 31 communicates with the liquid inlet pipe 11, and the upper surface of the drainage disc 3 is provided with a plurality of drainage grooves 32 uniformly distributed along the circumference thereof, and the drainage grooves 32 communicate with the containing cavity 31.
[0038] In use, when the reverse osmosis water mixed with gas enters from the liquid inlet pipe 11 and is collected in the containing cavity 31, when the liquid level of the reverse osmosis water in the containing cavity 31 is higher than the groove bottom of the drainage groove 32, the reverse osmosis water will enter the drainage groove 32, and through the drainage of the drainage groove 32, the reverse osmosis water falls back into the tank body 1, when the tank body 1 is filled with more reverse osmosis water, the reverse osmosis water flows out from the liquid outlet pipe 12. In the flowing process of the reverse osmosis water, the bubbles break, the air rises, and the gas will escape and rise to be discharged from the exhaust pipe 21.
[0039] In one embodiment of the utility model, the jar body 1 is the conical structure, its diameter decreases from top to bottom. Such design, make the inner wall of jar body 1 to liquid inlet pipe 11 is inclined, when reverse osmosis water flows after being drained in groove 31 falls on the inner wall of jar body 1, reverse osmosis water follows the inner wall of jar body 1 slowly flows down, avoid reverse osmosis water directly falls, speed is too fast, cause the reverse osmosis water disturbance of jar body 1 bottom, produce gas.
[0040] In one embodiment of the utility model, the drainage disc 3 is the conical structure, its diameter increases from top to bottom. Such design, make the upper surface 1 of drainage disc 3 is inclined, further make drainage groove 32 is inclined, be favorable to the drainage of reverse osmosis water.
[0041] In one embodiment of the utility model, the gap is left between the circumferential side of drainage disc 3 and the inner wall of jar body 1. Such design, make the circumferential side of drainage disc 3 close to the inner wall of jar body 1, reduce the drop of reverse osmosis water from drainage disc 3 to the inner wall of jar body 1, make reverse osmosis water better transition from drainage disc 3 to the inner wall of jar body 1 and slowly flow down.
[0042] In one embodiment of the utility model, the cover body 2 is the bowl structure of inverted buckle. Make the gas in whole jar body 1 can gather at exhaust pipe 21 and discharge.
[0043] In one embodiment of the utility model, a plurality of air holes 33 are formed in the drainage disc 3. Such design, facilitate the gas at the lower end of drainage disc 3 to flow upward and gather through the air holes 33.
[0044] In one embodiment of the utility model, the upper end of containing cavity 31 is provided with an umbrella cap 34, and the umbrella cap 34 and the drainage disc 3 are fixedly connected with a connecting column 35. Such design, avoid the flow speed of reverse osmosis water in liquid inlet pipe 11 being too fast, produce blood column, or splashing reverse osmosis water is discharged from exhaust port 21. Play the role of shielding.
[0045] The utility model provides a kind of gas removal device for blood purification, which is described further below in conjunction with the accompanying drawings and embodiments.
[0046] A kind of gas removal device for blood purification, comprising:
[0047] Jar body 1, the bottom of jar body 1 is fixedly connected with liquid inlet pipe 11 communicated with its inside along its axis, the upper end of liquid inlet pipe 11 extends to jar body 1, and the bottom side wall of jar body 1 is fixedly connected with liquid outlet pipe 12 communicated with its inside;
[0048] Cover body 2, cover body 2 is fixedly connected at the top end of jar body 1, and cover body 2 is fixedly connected with exhaust pipe 21 communicated with its inside;
[0049] The drainage disc 3 is fixedly connected to the top end of the liquid inlet pipe 11, and a containing cavity 31 is formed in the middle of the drainage disc 3 and communicates with the liquid inlet pipe 11.
[0050] The tank body 1 is a conical structure, and the diameter thereof decreases from top to bottom.
[0051] The drainage disc 3 is a conical structure, and the diameter thereof increases from top to bottom.
[0052] A gap is left between the circumferential side of the drainage disc 3 and the inner wall of the tank body 1.
[0053] The cover body 2 is a bowl-shaped structure with a reverse buckle.
[0054] A plurality of air holes 33 are formed in the drainage disc 3.
[0055] An umbrella cap 34 is arranged at the upper end of the containing cavity 31, and a connecting column 35 is fixedly connected between the umbrella cap 34 and the drainage disc 3.
[0056] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0057] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application.
Claims
1. A gas removal device for blood purification, characterized by, Include: The tank body (1), the bottom of the tank body (1) is fixedly connected with the liquid inlet pipe (11) communicated with its inside along its axis, the upper end of the liquid inlet pipe (11) extends into the tank body (1), the sidewall of the bottom of the tank body (1) is fixedly connected with the liquid outlet pipe (12) communicated with its inside; Cover body (2), the cover body (2) is fixedly connected at the top end of the tank body (1), the cover body (2) is fixedly connected with the exhaust pipe (21) communicated with its inside; Drainage disc (3), the drainage disc (3) is fixedly connected at the top end of the liquid inlet pipe (11), the middle of the drainage disc (3) is provided with a containing cavity (31), the containing cavity (31) is communicated with the liquid inlet pipe (11), the upper surface of the drainage disc (3) is provided with a plurality of drainage grooves (32) uniformly distributed along its circumference, the drainage groove (32) is communicated with the containing cavity (31).
2. The gas removal device for blood purification according to claim 1, wherein The tank body (1) is a conical structure, its diameter decreases from top to bottom.
3. The gas removal device for blood purification according to claim 2, wherein The drainage disc (3) is a conical structure, its diameter increases from top to bottom.
4. The gas removal device for blood purification according to claim 3, wherein The gap is left between the circumferential side of the drainage disc (3) and the inner wall of the tank body (1).
5. The gas removal device for blood purification according to claim 1, wherein The cover body (2) is a bowl-shaped structure with inverted buckle.
6. The gas removal device for blood purification according to claim 1, wherein A plurality of air holes (33) are formed in the drainage disc (3).
7. The gas removal device for blood purification according to claim 6, wherein The upper end of the containing cavity (31) is provided with an umbrella cap (34), the umbrella cap (34) and the drainage disc (3) are fixedly connected with the connecting column (35).