CN220276030U - Hemodialysis pipe-line system - Google Patents
Hemodialysis pipe-line system Download PDFInfo
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- CN220276030U CN220276030U CN202321999128.4U CN202321999128U CN220276030U CN 220276030 U CN220276030 U CN 220276030U CN 202321999128 U CN202321999128 U CN 202321999128U CN 220276030 U CN220276030 U CN 220276030U
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- kettle
- venous
- pipe
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- way valve
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- 238000001631 haemodialysis Methods 0.000 title claims abstract description 22
- 230000000322 hemodialysis Effects 0.000 title claims abstract description 22
- 239000008280 blood Substances 0.000 claims abstract description 52
- 210000004369 blood Anatomy 0.000 claims abstract description 52
- 230000008676 import Effects 0.000 claims description 10
- 230000004087 circulation Effects 0.000 abstract description 20
- 230000015271 coagulation Effects 0.000 abstract description 9
- 238000005345 coagulation Methods 0.000 abstract description 9
- 208000032843 Hemorrhage Diseases 0.000 description 3
- 208000034158 bleeding Diseases 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 3
- 206010053567 Coagulopathies Diseases 0.000 description 2
- 230000017531 blood circulation Effects 0.000 description 2
- 230000035602 clotting Effects 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 101100298225 Caenorhabditis elegans pot-2 gene Proteins 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012959 renal replacement therapy Methods 0.000 description 1
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Abstract
The utility model discloses a hemodialysis pipeline system which comprises a blood pump, an arterial kettle, a dialyzer and a venous kettle, wherein the arterial kettle and the venous kettle are respectively provided with an inlet pipe, an outlet pipe and a side pipe, the inlet end of the blood pump is connected with an arterial puncture needle, the outlet end of the blood pump is connected with the inlet pipe of the arterial kettle, the outlet end of the dialyzer is connected with the inlet pipe of the venous kettle, the outlet pipe of the venous kettle is connected with the venous puncture needle, the hemodialysis pipeline system further comprises a controllable three-way valve and a standby pipe, a first valve port of the controllable three-way valve is connected with the outlet pipe of the arterial kettle, a second valve port of the controllable three-way valve is connected with the inlet end of the dialyzer, one end of the standby pipe is connected with a third valve port of the controllable three-way valve, and the other end of the standby pipe is a free end for being connected with the side pipe of the venous kettle or the venous puncture needle. The utility model can avoid the problem that the extracorporeal circulation can not be established during coagulation, and can return blood in the extracorporeal circulation to the human body as soon as possible, thereby improving the working stability of the extracorporeal circulation established by the hemodialysis pipeline system.
Description
Technical Field
The utility model relates to the field of hemodialysis systems, in particular to a hemodialysis pipeline system.
Background
Hemodialysis is a common renal replacement therapy for uremic patients and requires the establishment of extracorporeal circulation through a hemodialysis tubing system. The existing hemodialysis pipeline system is a pipeline system formed by a blood pump, an arterial kettle, a dialyzer, a venous kettle and a connecting pipeline, and human blood is pumped to the arterial kettle by the blood pump and then flows through the dialyzer and the venous kettle in sequence from the arterial kettle and returns to a human body.
When the hemodialysis pipeline system is used for patients, some patients have poor blood flow quantity and high coagulation, and extracorporeal circulation coagulation is easy to occur; some patients have a tendency to bleed due to the combination of active bleeding or high risk of bleeding, and heparin-free dialysis is generally used to ensure patient safety in order to reduce bleeding, which may lead to a further increase in clotting risk. The connecting pipeline of the hemodialysis pipeline system is blocked during coagulation, so that normal operation cannot be realized, even blood in the extracorporeal circulation pipeline is lost, only the connecting pipeline can be replaced and the hemodialysis pipeline system is re-connected after flushing, time and labor are wasted, extracorporeal circulation cannot be established during replacement, blood cannot be returned to a human body in time, and the risk of coagulation still can be aggravated.
Disclosure of Invention
The utility model provides a hemodialysis pipeline system, which aims to solve the problems that a connecting pipeline in the hemodialysis pipeline system in the prior art needs to be replaced when clotting occurs, extracorporeal circulation cannot be established, and the blood of a patient is lost due to the fact that uncondensed blood in the extracorporeal circulation pipeline cannot be returned to the patient in time.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a hemodialysis pipe-line system, includes blood pump, arterial kettle, dialyzer, venous kettle, arterial kettle, venous kettle respectively have import pipe, outlet pipe and side tube respectively, the import end of blood pump is connected with arterial puncture needle through blood inflow pipeline, and the outlet end of blood pump is connected with the import pipe of arterial kettle through the pipeline, the outlet end of dialyzer is connected with the import pipe of venous kettle through the pipeline, and the outlet pipe of venous kettle is connected with venous puncture needle through blood feedback pipeline, still includes controllable three-way valve, reserve pipe, the first valve port of controllable three-way valve is connected with the outlet pipe of arterial kettle through the pipeline, and the second valve port of controllable three-way valve is connected with the import end of dialyzer through the pipeline, the third valve port of controllable three-way valve is connected to reserve pipe one end, the other end of reserve pipe is the free end, and the free end of reserve pipe can connect the side tube of venous kettle or connect the venous puncture needle.
Further, the arterial kettle is of a double-kettle structure formed by two kettle bodies, each kettle body is provided with an inlet pipe, an outlet pipe and a side pipe, the inlet pipes of the two kettle bodies are connected with the outlet end pipeline of the blood pump through the same inlet three-way valve, and the outlet pipes of the two kettle bodies are connected with the pipeline of the corresponding valve port of the controllable three-way valve through the same outlet three-way valve.
Further, the venous kettle is of a double-kettle structure formed by two kettle bodies, each kettle body is provided with an inlet pipe, an outlet pipe and a side pipe, the inlet pipes of the two kettle bodies are connected with the outlet end pipeline of the dialyzer through the same inlet three-way valve, and the outlet pipes of the two kettle bodies are connected with the blood return pipeline through the same outlet three-way valve.
Further, filter screens are arranged in the arterial kettle and the venous kettle.
Aiming at the characteristic that coagulation easily occurs in an arterial and venous kettle, a dialyzer and a blood return pipeline at the lower end of the venous kettle when blood extracorporeal circulation is established, a controllable three-way valve is additionally arranged between the inlet end of the dialyzer and the outlet end of the arterial kettle, and is connected with a standby pipe which can be connected with a side pipe on the venous kettle or a venous puncture needle. Therefore, when the dialyzer coagulates or the pipeline between the dialyzer and the venous kettle coagulates, the blood flowing out of the arterial kettle can directly enter the standby venous kettle through the controllable three-way valve and then is returned to the body; when the blood at the lower end of the venous kettle is coagulated, the blood flowing out of the arterial kettle can directly enter the venous puncture needle through the controllable three-way valve, and at the moment, the extracorporeal circulation is still established while the device for generating coagulation is replaced, so that the blood can be guaranteed to be returned to a human body in time, the blood loss of the human body is avoided, and the time is won for reconstructing the stereoscopic extracorporeal circulation.
Compared with the prior art, the utility model can avoid the problem that the extracorporeal circulation can not be established during coagulation and the problem that blood in the extracorporeal circulation is infused back as soon as possible, and improves the working stability of the extracorporeal circulation established by a hemodialysis pipeline system.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
As shown in fig. 1, the present embodiment discloses a hemodialysis piping system including a blood pump 1, an arterial pitcher 2, a dialyzer 3, a venous pitcher 4, a controllable three-way valve 5. The inlet end of the blood pump 1 is connected with a blood inflow pipeline 6, and the end part of the blood inflow pipeline 6 is connected with an arterial puncture needle 8.
The arterial kettle 2 is a double-kettle structure formed by two kettle bodies 2.1, wherein one kettle body is a main kettle body, the other kettle body is a standby kettle body, at least one layer of filter screen is respectively arranged in each kettle body, each kettle body is provided with an inlet pipe, an outlet pipe and a side pipe, the side pipes are mainly used for exhausting, regulating liquid level and monitoring pressure, and the side pipes can be used as the inlet pipes of the corresponding kettle bodies if necessary. The inlet ends of the two kettle bodies are provided with controllable three-way valves 2.2 for the inlet of the arterial kettle, and the outlet ends of the two kettle bodies are provided with controllable three-way valves 2.3 for the outlet of the arterial kettle. One valve port of the arterial kettle inlet three-way valve 2.2 is connected with an inlet pipe of the main kettle body 2.1 through a pipeline, the other valve port of the arterial kettle inlet three-way valve 2.2 is connected with an inlet pipe of the standby kettle body through a pipeline, and a third valve port of the arterial kettle inlet three-way valve 2.2 is connected with an outlet end of the blood pump 1 through a pipeline. One valve port of the three-way valve 2.3 of the arterial kettle outlet is connected with an outlet pipe of the main kettle body 2.1 through a pipeline, the other valve port of the three-way valve 2.3 of the arterial kettle outlet is connected with an outlet pipe of the standby kettle body through a pipeline, the third valve port of the three-way valve 2.3 of the arterial kettle outlet is connected with one valve port of the three-way valve 5 of the controllable kettle through a pipeline, and the other valve port of the three-way valve 5 of the controllable kettle is connected with an inlet end of the dialyzer 3 through a pipeline.
The venous kettle 4 is a double-kettle structure formed by two venous kettle bodies 4.1, wherein one kettle body is a main venous kettle body, the other kettle body is a standby venous kettle body, at least one layer of filter screen is respectively arranged in each venous kettle body 4.1, each venous kettle body 4.1 is provided with an inlet pipe, an outlet pipe and a side pipe 4.4, the side pipe has the same function as the side pipe in the arterial kettle, and the venous kettle can be used as the inlet pipe when necessary. The inlet ends of the two venous kettle bodies 4.1 are provided with controllable venous kettle inlet three-way valves 4.2, and the outlet ends of the two venous kettle bodies 4.1 are provided with controllable venous kettle outlet three-way valves 4.3. One valve port of the venous kettle inlet three-way valve 4.2 is connected with one inlet end of the main venous kettle body 4.1 through a pipeline, the other valve port of the venous kettle inlet three-way valve 4.2 is connected with one inlet end of the standby venous kettle body through a pipeline, and the third valve port of the venous kettle inlet three-way valve 4.2 is connected with the outlet end of the dialyzer 3 through a pipeline. One valve port of the venous kettle outlet three-way valve 4.3 is connected with the outlet end of the main venous kettle body 4.1 through a pipeline, the other valve port of the venous kettle outlet three-way valve 4.3 is connected with the outlet end of the standby venous kettle body through a pipeline, the third valve port of the venous kettle outlet three-way valve 4.3 is connected with a blood return pipeline 7, and the end part of the blood return pipeline 7 is connected with a venous puncture needle 9.
The third valve port of the controllable three-way valve 5 is provided with a standby pipe 10, one pipe end of the standby pipe 10 is fixedly connected to the third valve port of the controllable three-way valve 5, the other pipe end of the standby pipe 10 is a free end, and the free end of the standby pipe 10 can be connected with a side pipe 4.4 of any one venous kettle body 4.1 or connected with a venous puncture needle 9. In this embodiment, for convenience of connection, the free end of the standby tube 10 is provided with a quick connector such as a screw connector, etc., and the side tube 4.4 of the venous kettle body 4.1 is provided with a quick connector, and the non-needle end of the venous puncture needle 9 is also provided with a quick connector. As shown by two broken lines of the standby tube 10 in fig. 1, the two broken lines respectively represent different connection modes of the free end of the standby tube 10, and the free end of the standby tube 10 can be conveniently and rapidly connected with the side tube 4.4 or the vein puncture needle 9 of the vein kettle body 4.1 during use.
When the embodiment works normally to establish extracorporeal circulation, the arterial puncture needle 8 pierces the human body 11, so that blood of the human body 11 can enter the blood inflow pipeline 6, and the venous puncture needle 9 connected with the blood return pipeline 7 at the lower end of the venous pot is connected, so that the blood can be returned into the human body 11.
The blood pump 1 pumps the blood flowing into the pipeline 6 to the main pot body 2.1 of the arterial pot 2, and then the blood flows through the dialyzer 3 and the main venous pot body 4.1 of the venous pot 4 in sequence and returns to the human body through the blood feedback pipeline 7.
When the main kettle body in the arterial kettle 2 or the venous kettle 4 coagulates, the standby kettle body is directly started.
When the dialyzer 3 coagulates, the standby pipe 10 connected with the controllable three-way valve 5 can be directly connected with the main venous kettle body or the side pipe 4.4 on the standby venous kettle body, and the dialyzer can be replaced while the non-coagulated blood of the extracorporeal circulation is returned, so that the dialyzer does not need to stop the pump, the extracorporeal circulation can not be interrupted, and the dialyzer can still work normally, and the coagulation is not aggravated.
When the pipeline between the dialyzer 3 and the venous kettle 4 coagulates, the standby pipe 10 connected with the controllable three-way valve 5 can be directly connected with the main venous kettle body or the side pipe 4.4 on the standby venous kettle body, so that blood can be returned, and at the moment, when the pipeline between the dialyzer 3 and the venous kettle 4 is replaced, the extracorporeal circulation can not be interrupted and still can work normally.
When both the two kettle bodies of the venous kettle 4 or the blood return pipeline 7 at the lower end of the venous kettle coagulate, the standby pipe 10 connected with the controllable three-way valve 5 can be directly connected with the venous puncture needle 9, so that the blood of the arterial kettle can be returned to a human body through the venous puncture needle 9 as soon as possible, and the extracorporeal circulation can not be interrupted and still work normally when the venous kettle 4 and the blood return pipeline 7 are replaced.
The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, and the examples described herein are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the spirit and scope of the present utility model. The individual technical features described in the above-described embodiments may be combined in any suitable manner without contradiction, and such combination should also be regarded as the disclosure of the present disclosure as long as it does not deviate from the idea of the present utility model. The various possible combinations of the utility model are not described in detail in order to avoid unnecessary repetition.
The present utility model is not limited to the specific details of the above embodiments, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the protection scope of the present utility model without departing from the scope of the technical concept of the present utility model, and the technical content of the present utility model is fully described in the claims.
Claims (4)
1. The utility model provides a hemodialysis pipe-line system, includes blood pump, arterial kettle, dialyzer, venous kettle, arterial kettle, venous kettle respectively have import pipe, outlet pipe and side tube respectively, the import end of blood pump is connected with arterial puncture needle through blood inflow pipeline, and the outlet end of blood pump is connected with the import pipe of arterial kettle through the pipeline, the outlet end of dialyzer is connected with the import pipe of venous kettle through the pipeline, and the outlet pipe of venous kettle is connected with venous puncture needle through blood feedback pipeline, a serial communication port, still includes controllable three-way valve, reserve pipe, the first valve port of controllable three-way valve is connected with the outlet pipe of arterial kettle through the pipeline, the second valve port of controllable three-way valve is connected with the import end of dialyzer through the pipeline, the third valve port of controllable three-way valve is connected to reserve pipe one end, the other end of reserve pipe is the free end, and the free end of reserve pipe can connect the side tube of venous kettle or connect the venous puncture needle.
2. The hemodialysis tubing system of claim 1, wherein the arterial pitcher is a double pitcher structure of two pitcher bodies, each pitcher body having an inlet tube, an outlet tube, and a side tube, the inlet tubes of the two pitcher bodies being in tubing connection with the outlet end of the blood pump through the same inlet three-way valve, the outlet tubes of the two pitcher bodies being in tubing connection with the corresponding ports of the controllable three-way valve through the same outlet three-way valve.
3. The hemodialysis tubing system of claim 1, wherein the venous pitcher is a double pitcher structure of two pitcher bodies, each pitcher body having an inlet tube, an outlet tube, and a side tube, the inlet tubes of the two pitcher bodies being connected to the outlet end tubing of the dialyzer by the same inlet three-way valve, the outlet tubes of the two pitcher bodies being commonly connected to the blood return tubing by the same outlet three-way valve.
4. A hemodialysis tubing system according to claim 1, wherein a filter screen is provided in both the arterial and venous kettles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321999128.4U CN220276030U (en) | 2023-07-27 | 2023-07-27 | Hemodialysis pipe-line system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321999128.4U CN220276030U (en) | 2023-07-27 | 2023-07-27 | Hemodialysis pipe-line system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220276030U true CN220276030U (en) | 2024-01-02 |
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ID=89326637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321999128.4U Active CN220276030U (en) | 2023-07-27 | 2023-07-27 | Hemodialysis pipe-line system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220276030U (en) |
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2023
- 2023-07-27 CN CN202321999128.4U patent/CN220276030U/en active Active
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