CN210355497U - Dialysis pipeline - Google Patents
Dialysis pipeline Download PDFInfo
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- CN210355497U CN210355497U CN201822097804.4U CN201822097804U CN210355497U CN 210355497 U CN210355497 U CN 210355497U CN 201822097804 U CN201822097804 U CN 201822097804U CN 210355497 U CN210355497 U CN 210355497U
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Abstract
The utility model provides a dialysis pipeline, which comprises an arterial blood pipeline, a filter and a venous blood pipeline which are connected in sequence; the arterial blood pipeline comprises a first pipeline switch, an arterial pot, a blood pump and a first replacement branch, the first replacement branch is connected with the first pipeline switch and the arterial pot in parallel and comprises a first branch switch, a first replacement pot and a first one-way valve which are sequentially arranged according to the blood conveying direction; the venous blood pipeline comprises a venous pot, a second pipeline switch and a second replacement branch, and the second replacement branch is connected with the second pipeline switch and the venous pot in parallel. The utility model provides a dialysis pipeline through the first replacement branch road and the second replacement branch road that set up for the arteriovenous kettle of original pipeline is replaced, makes blood carry through first replacement branch road, second replacement branch road. Under the condition of not adding the anticoagulant, the hemodialysis can be carried out for a long time, so that the stable transportation of blood in the hemodialysis is ensured, and the blockage of a dialysis pipeline is effectively prevented.
Description
Technical Field
The utility model relates to the technical field of medical equipment, particularly, relate to a dialysis pipeline.
Background
Hemodialysis is generally used to treat patients with acute or chronic renal failure. Hemodialysis is a process in which blood in vivo is drained to the outside of the body, and substances are exchanged by filtration and convection of a dialyzer to remove metabolic wastes in the body and remove excessive water in the body.
The air collection chamber (also called arteriovenous pot) in the dialysis tubing is connected directly in series with the blood tubing and its main function is to collect and remove air that has inadvertently entered the blood circuit. Because the blood in the arteriovenous pot flows slowly, the blood is easy to coagulate, and the arteriovenous pot is easy to block seriously, thereby influencing the blood transportation.
In order to prevent the blood from coagulating, an anticoagulant can be added, but for some patients, it is not suitable for the addition of the anticoagulant due to its physical constitution, which results in that part of the patients cannot undergo long-term hemodialysis. For example, for general dialysis, the total dialysis time is about 4 hours, while for heparin-free dialysis without anticoagulant, it can only last about two hours, resulting in a large reduction in the dialysis effect.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a dialysis pipeline, simple structure, the operation is convenient, aims at improving the long-time hemodialysis's of dialysis pipeline problem.
The utility model adopts the following scheme:
a dialysis pipeline comprises an arterial blood pipeline, a filter and a venous blood pipeline which are connected in sequence; the arterial blood pipeline is connected to an arterial blood vessel of a human body at one end and connected to the filter at the other end, and the venous blood pipeline is connected to a venous blood vessel of the human body at one end and connected to the filter at the other end;
the arterial blood pipeline comprises a first pipeline switch, an arterial pot, a blood pump and a first replacement branch, the first replacement branch is connected with the first pipeline switch and the arterial pot in parallel and comprises a first branch switch, a first replacement pot and a first one-way valve which are sequentially arranged according to the blood conveying direction;
the venous blood pipeline comprises a venous pot, a second pipeline switch and a second replacement branch, the second replacement branch is connected with the second pipeline switch and the venous pot in parallel, and the venous blood pipeline comprises a second branch switch, a second replacement pot and a second one-way valve which are sequentially arranged according to the blood conveying direction.
As a further improvement, a filter switch is arranged between the blood pump and the filter.
As a further improvement, the blood filter also comprises a third replacement branch, wherein the third replacement branch is connected with the filter switch and the filter in parallel and comprises a third branch switch, a replacement filter and a third one-way valve which are sequentially arranged according to the blood conveying direction.
As a further improvement, a liquid supplementing port and a liquid discharging port are further arranged on the third replacement branch, the liquid supplementing port is arranged between the third branch switch and the replacement filter, and the liquid discharging port is arranged between the replacement filter and the third one-way valve and used for cleaning the replacement filter.
As a further improvement, a blood pressure monitor is arranged on the arterial blood pipeline.
As a further improvement, an air detector is arranged on the venous blood pipeline.
By adopting the technical scheme, the utility model discloses can gain following technological effect:
the utility model provides a dialysis pipeline through the first replacement branch road and the second replacement branch road that set up for the arteriovenous kettle of original pipeline is replaced, makes blood carry through first replacement branch road, second replacement branch road. Under the condition of not adding the anticoagulant, the hemodialysis can be carried out for a long time, so that the stable transportation of blood in the hemodialysis is ensured, and the blockage of a dialysis pipeline is effectively prevented.
Further, the filter is used to filter blood. The filter is provided with a third replacement branch in parallel for replacing the filter of the original pipeline, so that blood is conveyed through the third replacement branch, and continuous filtration of the blood in the dialysis pipeline is realized through the replacement filter of the third replacement branch.
Furthermore, the pipelines on two sides of the replacement filter on the third replacement branch are respectively provided with a liquid supplementing port and a liquid discharging port, physiological saline is input into the replacement filter through the liquid supplementing port to achieve effective cleaning, and impurities such as the cleaned physiological saline are discharged out of the third replacement branch through the liquid discharging port. Ensuring the cleaning of the replacement filter and prolonging the service life.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a dialysis line according to embodiment 1 of the present invention;
FIG. 2 is a schematic diagram of a dialysis circuit according to the prior art;
fig. 3 is a schematic structural diagram of a dialysis line according to embodiment 2 of the present invention.
Icon: 1-arterial blood line; 11-a first line switch; 12-the arteria pot; 13-blood pump; 14-first replacement leg; 141-first branch switch; 142-a first replacement jug; 143-a first one-way valve; 2-a filter; 21-filter switch; 22-a third replacement leg; 221-third branch switch; 222-substitution filter; 223-a third one-way valve; 224-fluid infusion port; 225-drain port; 3-venous blood line; 31-venous pot; 32-a second line switch; 33-a second replacement branch; 331-a second branch switch; 332-a second replacement jug; 333-a second one-way valve; a-a first three-way ball valve; b-a second three-way ball valve; c-a third three-way ball valve.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
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.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Example 1
With reference to fig. 1, the present embodiment provides a dialysis circuit comprising an arterial blood circuit 1, a filter 2 and a venous blood circuit 3 connected in series. The arterial blood pipeline 1 is connected with one end of the human body arterial blood vessel and the other end of the human body arterial blood vessel is connected with the filter 2. The venous blood line 3 is connected at one end to the filter 2 and at the other end for connection to a human venous blood vessel. The patient's blood is conveyed via the arterial blood line 1 to the filter 2 and from the filter 2 back to the patient via the venous blood line 3.
Further, the arterial blood circuit 1 comprises a first circuit switch 11, an arterial pot 12, a blood pump 13 and a first replacement branch 14. The first replacement branch 14 is provided in parallel with the first line switch 11 and the arterial pot 12, and includes a first branch switch 141, a first replacement pot 142, and a first check valve 143, which are provided in this order according to the blood transport direction. The function of the blood pump 13 is to deliver blood to the filter 2 and from the filter 2 back to the patient via the tubing and maintain a suitable blood flow. The first one-way valve 143 is disposed on the first replacement branch 14, and prevents the blood delivered to the first replacement branch 14 from flowing backwards, so as to ensure the normal delivery of the blood. When the arterial vessel 12 is blocked and a branch replacement is required, the first branch switch 141 of the first replacement branch 14 is opened first, so that blood is delivered to the first replacement branch 14. And the first pipeline switch 11 is closed to complete the replacement of the pipeline. At this point, the hemodialysis is continued without being affected by the occlusion of the arterial pot 12. Under the condition that the anticoagulant is not added, even if the arterial pot 12 is blocked, blood can be conveyed through the first replacing branch 14, long-time hemodialysis is realized, stable blood conveying in the hemodialysis is guaranteed, and blockage of a dialysis pipeline is effectively prevented.
Further, the venous blood line 3 comprises a venous pot 31, a second line switch 32 and a second replacement branch 33. The second replacement branch 33 is connected in parallel to the second line switch 32 and the venous pot 31, and includes a second branch switch 331, a second replacement pot 332, and a second check valve 333, which are sequentially arranged according to the blood conveying direction. When the venous kettle 31 is blocked and the branch replacement is required, please refer to the first replacement branch 14 for the pipeline replacement principle of the second replacement branch 33, which will not be described herein again. The first replacement branch 14 and the second replacement branch 33 are arranged to replace the arteriovenous pot of the original pipeline, so that blood is conveyed through the first replacement branch 14 and the second replacement branch 33. In the hemodialysis process, when the artery and vein kettles are blocked, the long-time stable conveying of hemodialysis is ensured by replacing the branch circuits respectively, so that the long-time hemodialysis is realized.
Further, a filter switch 21 is provided between the blood pump 13 and the filter 2. In this embodiment, the arterial blood circuit 1 further comprises a third replacement branch 22. The third replacement branch 22 is provided in parallel with the filter switch 21 and the filter 2, and includes a third branch switch 221, a replacement filter 222, and a third check valve 223 provided in this order in the blood transport direction. For the pipeline replacement principle of the third replacement branch 22, please refer to the first replacement branch 14 and the second replacement branch 33, which will not be described herein again. The filter 2 is used to filter the blood. The filter is provided with a third replacement branch 22 in parallel to replace the filter 2 of the original line, so that blood is conveyed through the third replacement branch 22, and continuous filtration of the blood in the dialysis line is realized through a replacement filter 222 of the third replacement branch 22.
More specifically, the third replacement branch 22 is further provided with a fluid infusion port 224 and a fluid discharge port 225. The fluid infusion port 224 is provided between the third bypass switch 221 and the substitution filter 222, and the fluid discharge port 225 is provided between the substitution filter 222 and the third check valve 223, for cleaning the substitution filter 222. The replacement filter 222 is cleaned effectively by introducing physiological saline into the fluid infusion port 224, and impurities such as the cleaned physiological saline are discharged out of the third replacement branch 22 through the fluid discharge port 225. Cleaning of the replacement filter 222 is ensured and the service life is increased.
Fig. 2 is a schematic structural diagram of a dialysis line in the prior art. In the prior art, the dialysis line mainly comprises an arterial pot 12, a filter 2 and a venous pot 31. Wherein the arterial vessel 12, the filter 2 and the venous vessel 31 are directly connected in series in the dialysis line. Because the blood in the arteriovenous pot flows slowly, the blood is easy to deposit and block the arteriovenous pot seriously, and the blood conveying is influenced. The replacement and cleaning of the arteriovenous pot are generally performed after the hemodialysis is stopped, and the replacement and cleaning cannot be performed in real time. The utility model provides a dialysis pipeline through parallelly connected the setting replacement branch road respectively on the pipeline at arteria pot 12, filter 2 and vein kettle 31, has guaranteed to realize carrying the blood of dialysis pipeline through the replacement branch road to can realize replacing arteria pot 12, filter 2 and vein kettle 31 on the former pipeline at any time. Under the condition of not adding the anticoagulant, the hemodialysis can be carried out for a long time, so that the stable transportation of blood in the hemodialysis is ensured, and the blockage of a dialysis pipeline is effectively prevented.
It can be understood that, in this embodiment, the pipeline switch and the branch switch may be valve switches or clamps to control the connection or the disconnection of the original pipeline and the replacement branch.
Example 2
Referring to fig. 3, a dialysis pipeline provided in embodiment 2 of the present invention is implemented by a principle substantially the same as that in embodiment 1, and reference is made to the contents in embodiment 1 for those parts not mentioned in this embodiment.
For a dialysis circuit of the present embodiment, the arterial blood circuit 1 comprises a first three-way ball valve a, an arterial pot 12, a blood pump 13 and a first replacement branch 14. The first three-way ball valve a is arranged at the intersection of the first replacement branch 14 and the pipeline where the arterial pot 12 is located, and the first replacement branch 14 is arranged in parallel with the arterial pot 12 through the first three-way ball valve a. The first substitution branch 14 includes a first substitution pot 142 and a first check valve 143 which are sequentially disposed according to the blood transfer direction. The first three-way ball valve a is used for controlling the conduction of the pipeline where the arterial pot 12 is located or the conduction of the first replacement branch 14, and can only control the conduction of one of the pipelines. The first three-way valve a is first connected to the line in which the arterial vessel 12 is located, and the first replacement branch 14 is now closed. When the arterial pot 12 is blocked and branch replacement is required, the first three-way valve A is adjusted to be communicated with the first replacement branch 14, the pipeline where the arterial pot 12 is located is closed, and the pipeline replacement is completed. At this point, the hemodialysis is continued without being affected by the occlusion of the arterial pot 12.
Further, the venous blood line 3 comprises a venous pot 31, a second three-way ball valve B and a second replacement branch 33. The second three-way ball valve B is arranged at the intersection of the second replacement branch 33 and the pipeline where the venous pot 31 is located, and the second replacement branch 33 is connected with the venous pot 31 in parallel through the second three-way ball valve B. The second replacement branch 33 includes a second replacement pot 332 and a second check valve 333 which are sequentially disposed according to the blood transfer direction. The second three-way ball valve B is used for controlling the conduction of the pipeline where the venous kettle 31 is located or the conduction of the second replacement branch 33, and can only control the conduction of one of the pipelines. When the venous kettle 31 is blocked and the branch replacement is required, please refer to the first replacement branch 14 for the pipeline replacement principle of the second replacement branch 33, which will not be described herein again.
Further, the dialysis circuit of the present embodiment further includes a third three-way ball valve C and a third replacement branch 22. The third three-way ball valve C is arranged at the intersection of the third replacement branch 22 and the pipeline where the filter 2 is located, and the third replacement branch 22 is connected with the filter 2 in parallel through the third three-way ball valve C. The third substitution branch 22 comprises a substitution filter 222 and a third one-way valve 223 arranged in sequence according to the blood transport direction. For the pipeline replacement principle of the third replacement branch 22, please refer to the first replacement branch 14 and the second replacement branch 33, which will not be described herein again.
It can be understood that, set up the tee bend ball valve through the position that begins to intersect at two pipelines between former pipeline and the replacement branch road, realize changing the pipeline that blood was carried at any time to former pipeline and replacement branch road between, utilize the tee bend ball valve to carry out the branch road replacement to the dialysis pipeline when having guaranteed that the pipeline blocks up, realize long-time hemodialysis.
Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection.
Claims (6)
1. A dialysis pipeline is characterized by comprising an arterial blood pipeline, a filter and a venous blood pipeline which are connected in sequence; one end of the arterial blood pipeline is used for being connected to an arterial blood vessel of a human body, and the other end of the arterial blood pipeline is connected to the filter; one end of the venous blood pipeline is connected to the filter, and the other end of the venous blood pipeline is used for connecting to a human venous blood vessel;
the arterial blood pipeline comprises a first pipeline switch, an arterial pot, a blood pump and a first replacement branch, the first replacement branch is connected with the first pipeline switch and the arterial pot in parallel and comprises a first branch switch, a first replacement pot and a first one-way valve which are sequentially arranged according to the blood conveying direction;
the venous blood pipeline comprises a venous pot, a second pipeline switch and a second replacement branch, the second replacement branch is connected with the second pipeline switch and the venous pot in parallel, and the venous blood pipeline comprises a second branch switch, a second replacement pot and a second one-way valve which are sequentially arranged according to the blood conveying direction.
2. The dialysis circuit of claim 1, wherein a filter switch is further disposed between the blood pump and the filter.
3. The dialysis circuit of claim 2, further comprising a third replacement branch, the third replacement branch being disposed in parallel with the filter switch and the filter, comprising a third branch switch, a replacement filter, and a third one-way valve disposed in order according to the blood transport direction.
4. The dialysis circuit of claim 3, wherein the third replacement branch further comprises a fluid infusion port and a fluid drainage port, the fluid infusion port is disposed between the third branch switch and the replacement filter, and the fluid drainage port is disposed between the replacement filter and the third one-way valve for cleaning the replacement filter.
5. A dialysis pipeline is characterized by comprising an arterial blood pipeline, a filter and a venous blood pipeline which are connected in sequence; the arterial blood pipeline is connected to an arterial blood vessel of a human body at one end and connected to the filter at the other end, and the venous blood pipeline is connected to the filter at one end and connected to a venous blood vessel of the human body at the other end;
the arterial blood pipeline comprises a first three-way ball valve, an arterial pot, a blood pump and a first replacement branch; the first three-way ball valve is arranged at the intersection of the first replacement branch and the pipeline where the arterial kettle is located, the first replacement branch is connected with the arterial kettle in parallel through the first three-way ball valve, and the first replacement branch comprises a first replacement kettle and a first one-way valve which are sequentially arranged according to the blood conveying direction;
the venous blood pipeline comprises a venous pot, a second three-way ball valve and a second replacement branch, the second three-way ball valve is arranged at the intersection of the second replacement branch and the pipeline where the venous pot is located, the second replacement branch is connected with the venous pot in parallel through the second three-way ball valve, and the second replacement branch comprises a second replacement pot and a second one-way valve which are sequentially arranged according to the blood conveying direction.
6. The dialysis circuit of claim 5, further comprising a third three-way ball valve and a third replacement branch; the third three-way ball valve is arranged at the intersection of the third replacement branch and the pipeline where the filter is located, the third replacement branch is connected with the filter in parallel through the third three-way ball valve, and the third replacement branch comprises a replacement filter and a third one-way valve which are sequentially arranged according to the blood conveying direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822097804.4U CN210355497U (en) | 2018-12-13 | 2018-12-13 | Dialysis pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822097804.4U CN210355497U (en) | 2018-12-13 | 2018-12-13 | Dialysis pipeline |
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| CN210355497U true CN210355497U (en) | 2020-04-21 |
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| CN201822097804.4U Active CN210355497U (en) | 2018-12-13 | 2018-12-13 | Dialysis pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115607697A (en) * | 2022-09-28 | 2023-01-17 | 山东泰邦生物制品有限公司 | Sterilization transfer pipeline cleaning and sterilization device and process |
-
2018
- 2018-12-13 CN CN201822097804.4U patent/CN210355497U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115607697A (en) * | 2022-09-28 | 2023-01-17 | 山东泰邦生物制品有限公司 | Sterilization transfer pipeline cleaning and sterilization device and process |
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