CN219501838U - Connecting pipe for hemodialysis and hemoperfusion combined treatment - Google Patents
Connecting pipe for hemodialysis and hemoperfusion combined treatment Download PDFInfo
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- CN219501838U CN219501838U CN202320769643.7U CN202320769643U CN219501838U CN 219501838 U CN219501838 U CN 219501838U CN 202320769643 U CN202320769643 U CN 202320769643U CN 219501838 U CN219501838 U CN 219501838U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
A connecting pipe for hemodialysis combined blood perfusion treatment comprises a pump pipe, six tee connectors, two straight connectors, two drainage bags, a perfusion device and a dialyser; the flow direction of liquid is changed through the mutual cooperation of the three-way connector and the stop valve, the perfusion device and the dialyser are respectively pre-flushed in the pre-flushing stage, the pre-flushing is Cheng Quancheng closed, any pipe joint is not required to be disassembled and assembled when the perfusion device is withdrawn in the treatment process, and the risks of liquid splashing and pipe joint pollution are avoided.
Description
Technical Field
The utility model relates to a connecting pipe for hemodialysis combined blood perfusion treatment.
Background
The blood perfusion gradually becomes one of the treatment modes of the maintenance hemodialysis patients, and the main operation steps of the treatment mode include a pre-flushing stage, a treatment stage and an unloading stage of the perfusion apparatus, and the specific operation flow is as follows: 2010 edition of standard operation procedure for blood purification; in the pre-flushing stage, 2500mL of normal saline is required to be pre-flushed by the perfusion device, but the pre-flushing of the dialyser is only used for exhausting air, and the clinical application effect analysis of a novel connecting pipe of the blood perfusion device is selected from the group consisting of the volume 27 and the 4 th period of the month 8 of 2020 in the journal of first aid of Chinese and Western medicine, wherein the closed pre-flushing and the closed up-and-down operation are recommended by introducing the standard operation rules of blood purification so as to reduce the exposure time of each pipeline interface in the air and the possibility of bacterial pollution; since the hemodiafiltration device actually needs to pre-flush 2500mL of physiological saline, and the pre-flushing of the dialyzer is only to exhaust air, the pre-flushing time and flow rate of the hemodiafiltration device and the hemodiafiltration device are different, so that the hemodiafiltration device and the hemodiafiltration device cannot be simply connected in series and combined for pre-flushing. In order to improve the working efficiency clinically, the perfusion device and the extracorporeal circulation pipeline are respectively and independently subjected to pre-flushing operation, so that the blood perfusion device and the dialyzer are connected in series after the separate pre-flushing operation, and the risk of pollution of the extracorporeal circulation pipeline is increased; in the treatment stage, the treatment time of the blood perfusion device is 2-2.5 hours according to the treatment instruction of the blood perfusion device, and the blood perfusion device is connected with the dialyzer in series in the treatment stage, so that the catheter connector is unnecessarily exposed to the air when the blood perfusion device is unloaded, and the whole airtight sterile environment is damaged. Therefore, the existing pipeline design of hemodialysis combined with hemoperfusion treatment has the requirement that the sealing sterility cannot be ensured in the stages of pre-flushing, treatment and unloading.
Disclosure of Invention
Compared with the prior art, the connecting pipe for hemodialysis combined blood perfusion treatment has the advantages that the blood perfusion device does not need to be unloaded from the beginning of pre-flushing to the end of the blood perfusion treatment process, and the whole pipeline can be guaranteed to be in a closed and sterile state.
In order to solve the technical problems, the utility model provides a connecting pipe for combined hemodialysis and hemoperfusion treatment, which comprises a pump pipe, six tee connectors, two straight connectors, two drainage bags, a perfusion device and a dialyzer;
one end of the pump pipe in the length direction is connected with a first interface of a first three-way connector through a first connecting pipe, a second interface of the first three-way connector is connected with a bottle stopper puncture outfit through a second connecting pipe, a first cut-off valve is arranged on the second connecting pipe, a third interface of the first three-way connector is connected with the first interface of the second three-way connector through a third connecting pipe, a second cut-off valve is arranged on the third connecting pipe, and the second interface of the second three-way connector is connected with a first drainage bag;
the other end of the pump pipe in the length direction is connected with a first interface of a third three-way connector through a fourth connecting pipe, a second interface of the third three-way connector is connected with the first interface of the fourth three-way connector through a fifth connecting pipe, a third shut-off valve is arranged on the fifth connecting pipe, the second interface of the fourth three-way connector is connected with the inlet end of a dialyzer through a sixth connecting pipe, a fourth shut-off valve is arranged on the sixth connecting pipe, the outlet end of the dialyzer is connected with the third interface of the second three-way connector through a seventh connecting pipe, and a fifth shut-off valve is arranged on the seventh connecting pipe;
the third interface of the fourth three-way connector is connected with the first interface of the fifth three-way connector through an eighth connecting pipe, the third interface of the third three-way connector is connected with the inlet end of the perfusion device through a ninth connecting pipe, a sixth stop valve is arranged on the ninth connecting pipe, the outlet end of the perfusion device is connected with the second interface of the fifth three-way connector through a tenth connecting pipe, and a seventh stop valve is arranged on the tenth connecting pipe;
the third interface of the fifth three-way connector is connected with one end of the first straight joint through an eleventh connecting pipe, an eighth stop valve is arranged on the eleventh connecting pipe, the other end of the first straight joint is connected with the first interface of the sixth three-way connector through a twelfth connecting pipe, a ninth stop valve is arranged on the twelfth connecting pipe, the second interface of the sixth three-way connector is connected with the second drainage bag, the third interface of the sixth three-way connector is connected with one end of the second straight joint through a thirteenth connecting pipe, a tenth stop valve is arranged on the thirteenth connecting pipe, and a sealing cover is arranged at the other end of the second straight joint.
For the sake of simplicity, the connecting tube for hemodialysis combined blood perfusion treatment according to the present utility model will be simply referred to as the present connecting tube.
The use method of the connecting pipe comprises the following steps:
pre-punching: the physiological saline bottle is connected with a bottle stopper puncture outfit, the physiological saline bottle and a first drainage bag are hung to the same height, then a pump pipe is arranged on a pump machine, a first stop valve, a sixth stop valve, a seventh stop valve, an eighth stop valve and a ninth stop valve are kept open, a second stop valve, a third stop valve, a fourth stop valve, a fifth stop valve and a tenth stop valve are kept closed, then the pump machine is started to flush a perfusion device, at the moment, physiological saline in the physiological saline bottle sequentially passes through a second connecting pipe, a first three-way connector, a first connecting pipe, a pump pipe, a fourth connecting pipe, a third three-way connector, a ninth connecting pipe, the perfusion device, a tenth connecting pipe, a fifth three-way connector, an eleventh connecting pipe, a first straight joint, a twelfth connecting pipe and a sixth three-way connector and then enters the second drainage bag; after the irrigation of the perfusion device is finished, closing a sixth stop valve, a seventh stop valve, an eighth stop valve and a ninth stop valve, opening a third stop valve, a fourth stop valve and a fifth stop valve to pre-flush the perfusion device, then taking down a sealing cover on a second straight joint, disconnecting a twelfth connecting pipe from a first straight joint, and connecting the sealing cover with one end, far away from an eleventh connecting pipe, of the first straight joint in a matching way, wherein at the moment, physiological saline in a physiological saline bottle sequentially passes through the second connecting pipe, the first three-way connector, the first connecting pipe, the pump pipe, the fourth connecting pipe, the third three-way connector, the fifth connecting pipe, the fourth three-way connector, the sixth connecting pipe, the dialyzer, the seventh connecting pipe and the second three-way connector and enters the first drainage bag; and simultaneously, the exposed end of the twelfth connecting pipe is matched and connected with the second linear joint to form a loop, and the whole system is withdrawn. After the dialyzer is pre-flushed, closing the pump and the fifth stop valve;
treatment: disconnecting the third connecting pipe, the seventh connecting pipe and the second three-way connector, connecting the two pipelines with a patient respectively, then keeping the second stop valve, the sixth stop valve, the seventh stop valve, the fourth stop valve and the fifth stop valve open, keeping the first stop valve, the third stop valve and the eighth stop valve closed, and starting the pump to perform first-stage treatment, wherein blood in the patient sequentially passes through the third connecting pipe, the first three-way connector, the first connecting pipe, the pump pipe, the fourth connecting pipe, the third three-way connector, the ninth connecting pipe, the perfusion device, the tenth connecting pipe, the fifth three-way connector, the eighth connecting pipe, the fourth three-way connector, the sixth connecting pipe, the dialyser and the seventh connecting pipe and returns to the patient; after the treatment is completed in the first stage for two hours, the second stop valve is closed, the first stop valve is opened to perform blood return operation, at the moment, blood in a patient does not enter the system any more, and the physiological saline in the physiological saline bottle sequentially passes through the second connecting pipe, the first three-way connector, the first connecting pipe, the pump pipe, the fourth connecting pipe, the third three-way connector, the ninth connecting pipe, the perfusion device, the tenth connecting pipe, the fifth three-way connector, the eighth connecting pipe, the fourth three-way connector, the sixth connecting pipe, the dialyser and the seventh connecting pipe to flush the blood of the patient in the pipeline back to the patient; after the liquid in the tenth connecting pipe and the eighth connecting pipe at the rear end of the perfusion device is observed to be colorless, the completion of blood return operation is indicated; then closing the first stop valve, the sixth stop valve and the seventh stop valve, and opening the second stop valve to perform second-stage treatment, wherein the blood in the patient sequentially passes through the third connecting pipe, the first three-way connector, the first connecting pipe, the pump pipe, the fourth connecting pipe, the third three-way connector, the fifth connecting pipe, the fourth three-way connector, the sixth connecting pipe, the dialyzer and the seventh connecting pipe and returns to the patient; after the second stage is completed in two hours, the second stop valve is closed, the first stop valve is opened to perform blood return operation, at the moment, blood in the patient does not enter the system any more, and normal saline in the normal saline bottle sequentially passes through the second connecting pipe, the first three-way connector, the first connecting pipe, the pump pipe, the fourth connecting pipe, the third three-way connector, the fifth connecting pipe, the fourth three-way connector, the sixth connecting pipe, the dialyzer and the seventh connecting pipe to wash the blood of the patient in the pipeline back to the patient, and all the pipelines can be removed after the blood return is completed, so that the treatment is completed.
The connecting pipe has the advantages that: the connecting pipe pipeline design is exquisite and reasonable, has changed the liquid flow direction through the mutually supporting of three-way connection ware and stop valve, has realized that perfusion device and dialyser are respectively in the stage of dashing in advance, and dash Cheng Quancheng airtight in advance, need not any coupling of dismouting when the perfusion device is withdrawn in the course of treatment, avoid appearing liquid and splash and the risk that coupling pollutes, compare in prior art, this connecting pipe is from the beginning of dashing in advance the course until the course of treatment is finished all need not the coupling of dismouting perfusion device and dialyser, can guarantee that whole pipeline is in airtight aseptic state, and overall structure is simple in operation is convenient in addition, is suitable for the popularization.
In addition:
the sealing cover is taken down from the second linear joint after the pre-flushing of the perfusion device is finished and is matched with the first linear joint, so that the leakage of liquid at the first joint can be prevented from polluting the environment, the exposed end of the twelfth connecting pipe is matched and connected with the second linear joint to form a loop, and the whole loop can be withdrawn from the system in advance after the pre-flushing of the perfusion device is finished, so that the effects of simplifying pipelines and facilitating operation are achieved;
the fourth three-way connector, the eighth connecting pipe and the fifth three-way connector actually form a four-way structure, but the utility model does not adopt the traditional four-way connector, but adopts two three-way connectors in series, because the two three-way connectors in series can better avoid the influence of liquid vortex on the pipeline compared with the traditional four-way connector from the hydrodynamic angle.
Drawings
Fig. 1 is a schematic diagram of piping connection in the pre-flushing state of the present connection pipe.
Fig. 2 is a schematic diagram of the connection of the pipeline in the treatment state of the connecting pipe.
Detailed Description
Referring to fig. 1 and 2, a connecting tube for combined hemodialysis and hemoperfusion treatment comprises a pump tube 1, six three-way connectors, two straight connectors, two drainage bags, a perfusion device 2 and a dialyser 3;
one end of the pump pipe 1 in the length direction is connected with a first interface of a first three-way connector 51 through a first connecting pipe 41, a second interface of the first three-way connector 51 is connected with a bottle stopper puncture outfit through a second connecting pipe 42, a first shut-off valve 61 is arranged on the second connecting pipe 42, a third interface of the first three-way connector 51 is connected with a first interface of a second three-way connector 52 through a third connecting pipe 43, a second shut-off valve 62 is arranged on the third connecting pipe 43, and a second interface of the second three-way connector 52 is connected with a first drainage bag 71;
the other end of the pump pipe 1 in the length direction is connected with a first interface of a third three-way connector 53 through a fourth connecting pipe 44, a second interface of the third three-way connector 53 is connected with a first interface of a fourth three-way connector 54 through a fifth connecting pipe 45, a third stop valve 63 is arranged on the fifth connecting pipe 45, a second interface of the fourth three-way connector 54 is connected with an inlet end of the dialyzer 3 through a sixth connecting pipe 46, a fourth stop valve 64 is arranged on the sixth connecting pipe 46, an outlet end of the dialyzer 3 is connected with a third interface of the second three-way connecting pipe through a seventh connecting pipe 47, and a fifth stop valve 65 is arranged on the seventh connecting pipe 47;
the third interface of the fourth three-way connector 54 is connected with the first interface of the fifth three-way connector 55 through an eighth connecting pipe 48, the third interface of the third three-way connector 53 is connected with the inlet end of the perfusion apparatus 2 through a ninth connecting pipe 49, a sixth stop valve 66 is arranged on the ninth connecting pipe 49, the outlet end of the perfusion apparatus 2 is connected with the second interface of the fifth three-way connector 55 through a tenth connecting pipe 410, and a seventh stop valve 67 is arranged on the tenth connecting pipe 410;
the third port of the fifth three-way connector 55 is connected to one end of the first straight joint 81 through an eleventh connecting pipe 411, an eighth stop valve 68 is provided on the eleventh connecting pipe 411, the other end of the first straight joint 81 is connected to the first port of the sixth three-way connector 56 through a twelfth connecting pipe 412, a ninth stop valve 69 is provided on the twelfth connecting pipe 412, the second port of the sixth three-way connector 56 is connected to the second drainage bag 72, the third port of the sixth three-way connector 56 is connected to one end of the second straight joint 82 through a thirteenth connecting pipe 413, a tenth stop valve 610 is provided on the thirteenth connecting pipe 413, and a sealing cover 83 is provided on the other end of the second straight joint 82.
The use method of the connecting pipe comprises the following steps:
pre-punching: the physiological saline bottle 9 is connected with the bottle stopper puncture outfit, the physiological saline bottle 9 and the first drainage bag 71 are hung to the same height, then the pump pipe 1 is installed on the pump 10, the first cut-off valve 61, the sixth cut-off valve 66, the seventh cut-off valve 67, the eighth cut-off valve 68 and the ninth cut-off valve 69 are kept open, the second cut-off valve 62, the third cut-off valve 63, the fourth cut-off valve 64, the fifth cut-off valve 65 and the tenth cut-off valve 610 are kept closed, then the pump 10 is started to flush the perfusion device 2, at the moment, the physiological saline in the physiological saline bottle 9 sequentially passes through the second connecting pipe 42, the first three-way connector 51, the first connecting pipe 41, the pump pipe 1, the fourth connecting pipe 44, the third three-way connector 53, the ninth connecting pipe 49, the perfusion device 2, the tenth connecting pipe 410, the fifth three-way connector 55, the eleventh connecting pipe 411, the first straight joint 81, the twelfth connecting pipe 412 and the sixth three-way connector 56 and then enters the second drainage bag 72; after the irrigation of the perfusion unit 2 is completed, the sixth stop valve 66, the seventh stop valve 67, the eighth stop valve 68 and the ninth stop valve 69 are closed, then the third stop valve 63, the fourth stop valve 64 and the fifth stop valve 65 are opened to preshoot the perfusion unit 2, then the sealing cover 83 on the second straight joint 82 is removed, the twelfth connecting pipe 412 is disconnected from the first straight joint 81, the sealing cover 83 is connected with one end of the first straight joint 81 far away from the eleventh connecting pipe 411 in a matched manner, at the moment, the physiological saline in the physiological saline bottle 9 sequentially passes through the second connecting pipe 42, the first three-way connector 51, the first connecting pipe 41, the pump pipe 1, the fourth connecting pipe 44, the third three-way connector 53, the fifth connecting pipe 45, the fourth three-way connector 54, the sixth connecting pipe 46, the dialyzer 3, the seventh connecting pipe 47 and the second three-way connector 52 and then enters the first drainage bag 71; and simultaneously, the exposed end of the twelfth connection pipe 412 is connected with the second straight joint 82 in a matched manner to form a loop, and the whole system is withdrawn. After the dialyzer 3 is pre-flushed, the pump 10 and the fifth shut-off valve 65 are closed;
treatment: disconnecting the third connection tube 43, the seventh connection tube 47 and the second three-way connector 52, connecting the two lines to the patient, respectively, then keeping the second shut-off valve 62, the sixth shut-off valve 66, the seventh shut-off valve 67, the fourth shut-off valve 64 and the fifth shut-off valve 65 open, keeping the first shut-off valve 61, the third shut-off valve 63 and the eighth shut-off valve 68 closed, and starting the pump 10 to perform the first-stage treatment, wherein blood in the patient sequentially passes through the third connection tube 43, the first three-way connector 51, the first connection tube 41, the pump tube 1, the fourth connection tube 44, the third three-way connector 53, the ninth connection tube 49, the perfusion vessel 2, the tenth connection tube 410, the fifth three-way connector 55, the eighth connection tube 48, the fourth three-way connector 54, the sixth connection tube 46, the dialyzer 3 and the seventh connection tube 47 and returns to the patient; after the treatment is completed in the first stage for two hours, the second stop valve 62 is closed, the first stop valve 61 is opened to perform a blood return operation, at this time, blood in the patient does not enter the system any more, and the physiological saline in the physiological saline bottle 9 is flushed back to the patient in the pipeline through the second connecting pipe 42, the first three-way connector 51, the first connecting pipe 41, the pump pipe 1, the fourth connecting pipe 44, the third three-way connector 53, the ninth connecting pipe 49, the perfusion device 2, the tenth connecting pipe 410, the fifth three-way connector 55, the eighth connecting pipe 48, the fourth three-way connector 54, the sixth connecting pipe 46, the dialyzer 3 and the seventh connecting pipe 47 in sequence; after the liquid in the tenth connecting pipe 410 and the eighth connecting pipe 48 at the rear end of the perfusion apparatus 2 is observed to be colorless, the blood return operation is completed; then, the first cut-off valve 61, the sixth cut-off valve 66, the seventh cut-off valve 67 are closed, and the second cut-off valve 62 is opened for the second stage treatment, at which time the blood in the patient is returned to the patient through the third connection tube 43, the first three-way connector 51, the first connection tube 41, the pump tube 1, the fourth connection tube 44, the third three-way connector 53, the fifth connection tube 45, the fourth three-way connector 54, the sixth connection tube 46, the dialyzer 3, the seventh connection tube 47 in this order; after the treatment of the second stage for two hours is completed, the second stop valve 62 is closed, the first stop valve 61 is opened to perform a blood return operation, at this time, blood in the patient does not enter the system any more, and the normal saline in the normal saline bottle 9 sequentially passes through the second connecting pipe 42, the first three-way connector 51, the first connecting pipe 41, the pump pipe 1, the fourth connecting pipe 44, the third three-way connector 53, the fifth connecting pipe 45, the fourth three-way connector 54, the sixth connecting pipe 46, the dialyzer 3 and the seventh connecting pipe 47 to flush the blood of the patient in the pipeline back into the patient, and after the blood return operation is completed, all the pipelines can be removed to complete the treatment.
The connecting pipe has the advantages that: the connecting pipe pipeline design is exquisite and reasonable, has changed the liquid flow direction through the mutually supporting of three-way connection ware and stop valve, has realized that perfusion device 2 and dialyser 3 are respectively in the stage of dashing in advance to dash in advance Cheng Quancheng airtight, need not any coupling of dismouting when perfusion device 2 withdraws from in the treatment process, avoid appearing liquid and splash and the risk that coupling pollutes, compare in prior art, this connecting pipe is from beginning to the treatment process in advance and all need not the coupling of dismouting perfusion device 2 and dialyser 3, can guarantee that whole pipeline is in airtight aseptic state, overall structure is simple in operation moreover, is suitable for the popularization.
In addition:
after the pre-flushing of the perfusion device 2 is finished, the sealing cover 83 is taken down from the second linear joint 82 and is matched with the first linear joint 81, so that the condition that liquid leakage pollutes the environment can be prevented from happening at the first joint, the exposed end of the twelfth connecting pipe 412 is matched and connected with the second linear joint 82 to form a loop, and the whole loop can be withdrawn from the system in advance after the pre-flushing of the perfusion device 2 is finished, so that the effects of simplifying pipelines and facilitating operation are achieved;
the fourth three-way connector 54, the eighth connecting tube 48 and the fifth three-way connector 55 actually form a four-way structure, but the present utility model does not adopt a conventional four-way connector, but adopts two three-way connectors in series, because the two three-way connectors in series can better avoid the influence of the liquid vortex on the tube compared with the conventional four-way connector from the fluid mechanics perspective.
The first three-way connector 51, the third three-way connector 53, the fourth three-way connector 54 and the fifth three-way connector 55 are all T-shaped three-way connectors, and the second three-way connector 52 and the sixth three-way connector 56 are all Y-shaped three-way connectors.
It should be noted that, the hemodialysis combined blood perfusion treatment is an existing mature treatment means, the description of the pre-flushing and treatment process in the embodiments of the present utility model is only for the convenience of explaining the functional association between the components, and no strict description is made on the pre-flushing and treatment process of the hemodialysis combined blood perfusion treatment, in addition, the present utility model is essentially an improvement of the existing blood purification treatment extracorporeal circulation pipeline, only the main pipeline structure is described, and all the branch pipes and the air pot on the existing extracorporeal circulation pipeline are not what is required to be protected by the present utility model, so that the detailed description is not made in the present utility model, and the skilled person can set the branch pipes and the air pot at appropriate positions according to the needs.
Claims (1)
1. A connecting tube for hemodialysis combined blood perfusion treatment, which is characterized in that: comprises a pump pipe, six tee connectors, two straight joints, two drainage bags, a perfusion device and a dialyser;
one end of the pump pipe in the length direction is connected with a first interface of a first three-way connector through a first connecting pipe, a second interface of the first three-way connector is connected with a bottle stopper puncture outfit through a second connecting pipe, a first cut-off valve is arranged on the second connecting pipe, a third interface of the first three-way connector is connected with the first interface of the second three-way connector through a third connecting pipe, a second cut-off valve is arranged on the third connecting pipe, and the second interface of the second three-way connector is connected with a first drainage bag;
the other end of the pump pipe in the length direction is connected with a first interface of a third three-way connector through a fourth connecting pipe, a second interface of the third three-way connector is connected with the first interface of the fourth three-way connector through a fifth connecting pipe, a third shut-off valve is arranged on the fifth connecting pipe, the second interface of the fourth three-way connector is connected with the inlet end of a dialyzer through a sixth connecting pipe, a fourth shut-off valve is arranged on the sixth connecting pipe, the outlet end of the dialyzer is connected with the third interface of the second three-way connector through a seventh connecting pipe, and a fifth shut-off valve is arranged on the seventh connecting pipe;
the third interface of the fourth three-way connector is connected with the first interface of the fifth three-way connector through an eighth connecting pipe, the third interface of the third three-way connector is connected with the inlet end of the perfusion device through a ninth connecting pipe, a sixth stop valve is arranged on the ninth connecting pipe, the outlet end of the perfusion device is connected with the second interface of the fifth three-way connector through a tenth connecting pipe, and a seventh stop valve is arranged on the tenth connecting pipe;
the third interface of the fifth three-way connector is connected with one end of the first straight joint through an eleventh connecting pipe, an eighth stop valve is arranged on the eleventh connecting pipe, the other end of the first straight joint is connected with the first interface of the sixth three-way connector through a twelfth connecting pipe, a ninth stop valve is arranged on the twelfth connecting pipe, the second interface of the sixth three-way connector is connected with the second drainage bag, the third interface of the sixth three-way connector is connected with one end of the second straight joint through a thirteenth connecting pipe, a tenth stop valve is arranged on the thirteenth connecting pipe, and a sealing cover is arranged at the other end of the second straight joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320769643.7U CN219501838U (en) | 2023-04-04 | 2023-04-04 | Connecting pipe for hemodialysis and hemoperfusion combined treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320769643.7U CN219501838U (en) | 2023-04-04 | 2023-04-04 | Connecting pipe for hemodialysis and hemoperfusion combined treatment |
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| Publication Number | Publication Date |
|---|---|
| CN219501838U true CN219501838U (en) | 2023-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320769643.7U Active CN219501838U (en) | 2023-04-04 | 2023-04-04 | Connecting pipe for hemodialysis and hemoperfusion combined treatment |
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| Country | Link |
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| CN (1) | CN219501838U (en) |
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2023
- 2023-04-04 CN CN202320769643.7U patent/CN219501838U/en active Active
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