CN208259964U - Combined artificial kidney pipeline and therapeutic device - Google Patents

Abstract

The utility model provides a kind of combined artificial kidney pipeline and therapeutic device, is related to the technical field of dialysis apparatus for purifying blood.Combined artificial kidney pipeline includes perfusion device, dialyzer, the first pipeline, the second pipeline, third pipeline, the 4th pipeline, the 5th pipeline and pressure sensor；First pipeline, perfusion device, the second pipeline, dialyzer, third pipeline are sequentially connected, and the 4th pipeline and the first pipeline and the second pipeline connection, the 5th pipeline and the first pipeline and air communication, the 5th pipeline are equipped with pressure sensor；Switching mechanism is equipped on each pipeline, switching mechanism is used for each pipeline of closure or openness.It solves in the prior art, repeatedly removes perfusion device and dialyzer, easily increase the technical issues of patient infects germ risk.The 4th pipeline of the utility model is in parallel with perfusion device, so that directly close associated pipe when perfusion device does not need prevents channel interior from the generation of phenomena such as blood blocking, blood coagulation occur using the 5th pipeline and air communication.

Description

Combined artificial kidney pipeline and therapeutic device

Technical field

The utility model relates to the technical fields for using apparatus for purifying blood of dialysing, more particularly, to a kind of combined artificial kidney Pipeline and therapeutic device.

Background technique

Kidney is the vitals of life, once damage, intracorporal harmful substance and extra moisture can not just be removed, together When will cause a large amount of nutriment and be lost, patient the symptoms such as oedema, pain in the loins, out of strength will occurs, and seriously affect people's lives. Haemodialysis is the method for treating nephrosis damage, is the principle using semi-permeable membrane, the blood of patient is drawn simultaneously with dialyzate Into dialyzer, the two is in opposite direction flowing in the two sides of dialysis membrane, by solute gradient, osmotic gradient and the water of dialysis membrane two sides Gradient is pressed, toxin is removed to reach and stores excessive moisture in vivo, while supplementing internal required substance, and maintain electrolyte With the purpose of acid-base balance.Dialyzer, also referred to as filter are the important equipments for completing blood dialysis.

Presently mainly uremic patient is treated using dialyzer and perfusion device series connection.First in apparatus for purifying blood Extracorporeal circulation set tube road connect upper perfusion device, then pre- fliud flushing is input in pipeline and is rushed in advance, will be filled after pre- punching Stream device is separated with extracorporeal circulation pipeline, then dialyzer is connected to extracorporeal circulation set tube road and the perfusion device string of apparatus for purifying blood Connection, rush in advance in the pipe of pre- fliud flushing, thus completes the preceding pre- punching to perfusion device and dialyzer of dialysis, is then combined type The treatment of artificial kidney after therapeutic process carries out two hours, because perfusion device adsorption saturation needs to be removed, is further continued for carrying out blood Liquid dialysis treatment.

In the therapeutic process for being combined type artificial kidney, prepare to treatment end to need repeatedly in blood purification from treatment Perfusion device and dialyzer are removed in the extracorporeal circulation pipeline of device, great inconvenience are brought to the operation of medical staff, moreover, more Secondary dismounting perfusion device and dialyzer are easy to increase the risk that patient infects germ.

Utility model content

It is existing in the prior art to solve the purpose of this utility model is to provide a kind of combined artificial kidney pipeline, It during treatment preparation to treatment end, needs repeatedly to remove perfusion device and dialyzer, is easy to increase the wind of patient's infection Danger, and easy the technical issues of blood coagulation phenomenon occurs.

The utility model additionally provides a kind of therapeutic device, and existing in the prior art to solve, infusion pipeline is single, no The technical issues of facilitating operation.

A kind of combined artificial kidney pipeline provided by the utility model, including perfusion device, dialyzer, the first pipeline, second Pipeline, third pipeline, the 4th pipeline, the 5th pipeline and pressure sensor；

First pipeline, perfusion device, the second pipeline, dialyzer and the third pipeline are sequentially connected, the 4th pipe The one end on road and first pipeline connection, the other end and second pipeline connection of the 4th pipeline, the 5th pipe The connecting pin of the one end on road and first pipeline connection, the 5th pipeline and first pipeline is located at the 4th pipeline Between the perfusion device, the other end and air communication of the 5th pipeline, the 5th pipeline are equipped with pressure sensor；

It is equipped with switching mechanism on first pipeline, the second pipeline, third pipeline, the 4th pipeline and the 5th pipeline, institute Switching mechanism is stated for the first pipeline, the second pipeline described in closure or openness, third pipeline, the 4th pipeline and the 5th pipe Road.

Further, the switching mechanism is clips.

Further, the switching mechanism of the third pipeline is clips, first pipeline and the 4th pipeline it Between switching mechanism be the first three-port structure, switching mechanism between second pipeline and the 4th pipeline is the second threeway Structure, the switching mechanism between first pipeline and the 5th pipeline are third three-port structure.

Further, the 5th pipeline is equipped with for stopping external substance to enter the filter device in pipeline.

It further, further include the 6th pipeline, one end of the 6th pipeline and second pipeline connection, the described 6th The other end of pipeline and the third pipeline connection, the 6th pipeline are equipped with switching mechanism.

Further, the switching mechanism between the 6th pipeline and second pipeline be three-port structure, the described 6th Switching mechanism between pipeline and the third pipeline is three-port structure.

Further, the switching mechanism between the 6th pipeline, second pipeline and the 4th pipeline is four-way Structure, the switching mechanism between the 6th pipeline and the third pipeline are three-port structure.

It further, further include the first waste liquid bumping bag, the liquid feeding end of the first waste liquid bumping bag and first pipe The outlet end on road connects.

It further, further include the 7th pipeline and the second waste liquid bumping bag, one end and the described 4th of the 7th pipeline The other end of pipeline connection, the 7th pipeline is connected to the second waste liquid bumping bag.

The utility model also provides a kind of therapeutic device, including normal saline bottle and combined artificial kidney duct as described above Road；

One end of the normal saline bottle is connect with the liquid feeding end of the third pipeline.

Combined artificial kidney pipeline provided by the utility model, the lower end of first pipeline and the upper end of the perfusion device Connection, the upper end of second pipeline are connect with the lower end of the perfusion device, the lower end of second pipeline and the dialyzer Upper end connection, the upper end of the third pipeline connect with the lower end of the dialyzer, first pipeline, the second pipeline and the Three pipelines, for being connected to the perfusion device and the dialyzer, to treat patient；The upper end and described first of 4th pipeline Pipeline connection, the lower end of the 4th pipeline and second pipeline connection, in parallel with the perfusion device, without using perfusion When device, directly the pipeline of the perfusion device is closed, the pipeline where dialyzer can normally circulate, when avoiding disassembly perfusion device The entrance of brought external world germ；One end of 5th pipeline is located at the liquid feeding end of the 4th pipeline and the perfusion device Between, it is connected with first pipeline, the other end of the 5th pipeline is contacted with air, and the 5th pipeline is equipped with pressure Sensor, when so that the pipeline where perfusion device being closed, air can enter the channel interior, so that the blood of channel interior It can flow back, avoid the generation of blood coagulation, the pressure sensor is used for the inflow of anti-Hemostatic Oral Liquid, only allows air into；It is described Switching mechanism controls the unlatching and closure of each pipeline, and the overall process of control treatment, completes treatment well.

Therapeutic device provided by the utility model, one end of normal saline bottle are connect with the liquid feeding end of the third pipeline, When so that the combined artificial kidney pipeline working, directly rush in advance using the liquid in normal saline bottle, be not necessarily to Increase new device, saves the time of medical staff.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of the first combined artificial kidney pipeline provided by the embodiment of the utility model；

Fig. 2 is the structural schematic diagram of second provided by the embodiment of the utility model combined artificial kidney pipeline；

Fig. 3 is the structural schematic diagram of the third combined artificial kidney pipeline provided by the embodiment of the utility model；

Fig. 4 is the structural schematic diagram of the 4th kind of combined artificial kidney pipeline provided by the embodiment of the utility model；

Fig. 5 is the structural schematic diagram of the 5th kind of combined artificial kidney pipeline provided by the embodiment of the utility model；

Fig. 6 is the structural schematic diagram of the 6th kind of combined artificial kidney pipeline provided by the embodiment of the utility model.

Icon: 11- perfusion device；12- dialyzer；The first pipeline of 13-；The second pipeline of 14-；15- third pipeline；16- the 4th Pipeline；The 5th pipeline of 17-；The 6th pipeline of 18-；19- the first waste liquid bumping bag；The 7th pipeline of 20-；21- the second waste liquid bumping bag； The first three-port structure of 131-；132- third three-port structure；The second three-port structure of 141-.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.

In the description of the present invention, it should be noted that such as occur term " center ", "upper", "lower", " left side ", The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "inner", "outside" is orientation based on the figure or position Relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.This Outside, such as there is term " first ", " second ", " third " are used for description purposes only, be not understood to indicate or imply relatively heavy The property wanted.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, such as there is term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition State the concrete meaning of term in the present invention.

Fig. 1 is the structural schematic diagram of the first combined artificial kidney pipeline provided by the embodiment of the utility model；Fig. 2 is this The structural schematic diagram for second of combined artificial kidney pipeline that utility model embodiment provides；Fig. 3 is the utility model embodiment The structural schematic diagram of the third the combined artificial kidney pipeline provided；Fig. 4 is the 4th kind of group provided by the embodiment of the utility model The structural schematic diagram of mould assembly artificial kidney pipeline；Fig. 5 is the 5th kind of combined artificial kidney pipeline provided by the embodiment of the utility model Structural schematic diagram；Fig. 6 is the structural schematic diagram of the 6th kind of combined artificial kidney pipeline provided by the embodiment of the utility model.

The utility model provides a kind of combined artificial kidney pipeline, and the combined artificial kidney pipeline includes perfusion device 11, dialyzer 12, the first pipeline 13, the second pipeline 14, third pipeline 15, the 4th pipeline 16, the 5th pipeline 17 and pressure sensing Device；First pipeline 13, perfusion device 11, the second pipeline 14, dialyzer 12 and the third pipeline 15 are sequentially connected, and described One end of four pipelines 16 is connected to first pipeline 13, and the other end and second pipeline 14 of the 4th pipeline 16 connect Logical, one end of the 5th pipeline 17 is connected to first pipeline 13, the 5th pipeline 17 and first pipeline 13 Connecting pin is between the 4th pipeline 16 and the perfusion device 11, the other end and air communication of the 5th pipeline 17, 5th pipeline 17 is equipped with pressure sensor；First pipeline 13, the second pipeline 14, third pipeline 15, the 4th pipeline 16 and the 5th are equipped with switching mechanism on pipeline 17, and the switching mechanism is for the first pipeline 13, second described in closure or openness Pipeline 14, third pipeline 15, the 4th pipeline 16 and the 5th pipeline 17.

As shown in figures 1 to 6, the bottom end of first pipeline 13 is connect with the upper end of the perfusion device 11, the perfusion device 11 Lower end connect with the upper end of second pipeline 14, the upper end of the lower end of second pipeline 14 and the dialyzer 12 connects It connects, the lower end of the dialyzer 12 is connect with the upper end of the third pipeline 15, first pipeline 13, the second pipeline 14 and institute It states third pipeline 15 to be sequentially connected, for being connected to the perfusion device 11 and the dialyzer 12, realizes the dialysis treatment of patient；Institute The upper end for stating the 4th pipeline 16 is connected to first pipeline 13, and the lower end of the 4th pipeline 16 and second pipeline 14 connect Logical, the 4th pipeline 16 is in parallel with the perfusion device 11, when not using perfusion device 11, directly by the pipeline of the perfusion device 11 Close, the pipeline where dialyzer 12 can normally circulate, when avoiding because of disassembly perfusion device 11, brought external world germ into Enter；One end of 5th pipeline 17 and first pipeline 13 are connected, and the other end of the 5th pipeline 17 is connected with air, One end of 5th pipeline 17 is between the 4th pipeline 16 and the liquid feeding end of the perfusion device 11, the 5th pipeline 17 are equipped with pressure sensor, and when so that the pipeline where perfusion device 11 being closed, air can enter the channel interior, so that The blood of channel interior can flow back, and avoid the generation of blood coagulation, and the pressure sensor is used for the inflow of anti-Hemostatic Oral Liquid, only allows Air enters；The switching mechanism controls the unlatching and closure of each pipeline, and the overall process of control treatment, is completed well Treatment.

Further, the switching mechanism is clips.

As shown in Figure 1, first pipeline 13, the second pipeline 14, third pipeline 15, the 4th pipeline 16 and the 5th pipeline 17 On switching mechanism be clips, facilitate the unlatching and closure for controlling each pipeline, facilitate the conducting for controlling the pipeline With closing, the clips setting is simple, at low cost, can be good at turning on and off for control piper.

Further, the switching mechanism of the third pipeline 15 is clips, first pipeline 13 and the 4th pipe Switching mechanism between road 16 is the first three-port structure 131, the opening and closing between second pipeline 14 and the 4th pipeline 16 Mechanism is the second three-port structure 141, and the switching mechanism between first pipeline 13 and the 5th pipeline 17 is third threeway Structure 132.

As shown in Fig. 2, switching mechanism on the third pipeline 15 is clips, the outlet end of first pipeline 13 with Switching mechanism between the liquid feeding end of 4th pipeline 16 is the first three-port structure 131, the liquid feeding end of second pipeline 14 Switching mechanism between the outlet end of the 4th pipeline 16 is the second three-port structure 141, and first pipeline 13 goes out liquid Switching mechanism between end and the liquid feeding end of the 5th pipeline 17 is third three-port structure 132.

Specifically, first three-port structure 131, the second three-port structure 141 and third three-port structure 132 are medical three Siphunculus, Medical tee joint pipe are made of tee tube, unidirectional valve and elastic plug, and upper end, the side of tee tube are respectively connected to a list To flap valve, the upper end of tee tube is formed with the valve lower cover of unidirectional valve, the side of tee tube is formed with the valve upper cover of unidirectional valve, elasticity Plug connects in lower end, and directly rotating the unidirectional valve using the Medical tee joint pipe can be realized conducting between pipeline, Simple to operate, the Medical tee joint pipe can be with 360 degree rotation, and then adjusts the pipeline of circulation, and in the process of conversion In will not interrupt the flowing of liquid, vortex will not be generated, pollution is few, and use is safe, rapid and simple, guarantee in infusion process, Pollution will not be generated.

Further, the 5th pipeline 17 is equipped with for stopping external substance to enter the filter device in pipeline.

5th pipeline 17 is equipped with filter device, for stopping external substance to enter pipeline.The filter device is set On the 5th pipeline 17, prevents external substance from entering inside the 5th pipeline 17, the liquid in pipeline is polluted, is prevented Patient infects germ.

The filter device is bag filter or membrane filter.

It further, further include the 6th pipeline 18, one end of the 6th pipeline 18 is connected to second pipeline 14, institute The other end for stating the 6th pipeline 18 is connected to the third pipeline 15, and the 6th pipeline 18 is equipped with switching mechanism.

As shown in Figure 3 and Figure 4, the upper end of the 6th pipeline 18 is connected to second pipeline 14, the 6th pipeline 18 lower end is connected to the third pipeline 15, and the 6th pipeline 18 is equipped with switching mechanism.6th pipeline 18 is used for The dialyzer 12 is in parallel, facilitates the independent pre- punching of the perfusion device 11, prevents because of germ caused by dismantling the dialyzer 12 Into, cause patient infect germ.

Further, the switching mechanism between the 6th pipeline 18 and second pipeline 14 is three-port structure, described Switching mechanism between 6th pipeline 18 and the third pipeline 15 is three-port structure.

As shown in figure 3, the opening and closing structure between the 6th pipeline 18 and second pipeline 14 is three-port structure, it is described Opening and closing structure between 6th pipeline 18 and the third pipeline 15 is three-port structure.It is specifically Medical tee joint pipe, it is medical Tee tube is made of tee tube, unidirectional valve and elastic plug, and upper end, the side of tee tube are respectively connected to a unidirectional valve, and three The upper end of siphunculus is formed with the valve lower cover of unidirectional valve, the side of tee tube is formed with the valve upper cover of unidirectional valve, and elastic plug connects Lower end, directly rotating the unidirectional valve using the Medical tee joint pipe can be realized conducting between pipeline, easy to operate Convenient, the Medical tee joint pipe can be with 360 degree rotation, and then adjusts the pipeline of circulation, and during conversion will not in The flowing of disconnected liquid will not generate vortex, and pollution is few, and use is safe, rapid and simple, guarantee in infusion process, will not generate Pollution.

Further, the switching mechanism between the 6th pipeline 18, second pipeline 14 and the 4th pipeline 16 For four-way structure, the switching mechanism between the 6th pipeline 18 and the third pipeline 15 is three-port structure.

As shown in figure 4, the switching mechanism between the 6th pipeline 18, second pipeline 14 and the 4th pipeline 16 For four-way structure, the switching mechanism between the 6th pipeline 18 and the third pipeline 15 is three-port structure, and four-way structure connects It connects conveniently, when connection, four-way structure need to only be rotated, it is easy to adjust without repeatedly being adjusted, it is easy to operate, Save the operating time.

It further, further include the first waste liquid bumping bag 19, the liquid feeding end of the first waste liquid bumping bag 19 and described the The outlet end of one pipeline 13 connects.

As shown in figure 5, combined artificial kidney pipeline further includes the first waste liquid bumping bag 19, the first waste liquid bumping bag 19 Liquid feeding end connect with the outlet end of first pipeline 13, the perfusion device 11 is carrying out dialysis treatment with the dialyzer 12 It needs to rush perfusion device 11 and dialyzer 12 in advance before, the liquid rushed in advance carries out the first waste liquid bumping bag 19 through the pipeline It is interior, facilitate the Collecting and dealing of waste liquid, avoids pollution environment.The first waste liquid bumping bag 19 is detachably to connect with the pipeline It connects.

It further, further include the 7th pipeline 20 and the second waste liquid bumping bag 21, one end of the 7th pipeline 20 and institute The connection of the 4th pipeline 16 is stated, the other end of the 7th pipeline 20 is connected to the second waste liquid bumping bag 21.

As shown in fig. 6, the combined artificial kidney pipeline further includes the 7th pipeline 20 and the second waste liquid bumping bag 21, it is described Perfusion device 11 needs to rush perfusion device 11 and dialyzer 12 in advance with the dialyzer 12 before carrying out dialysis treatment, described The liquid that perfusion device 11 and the dialyzer 12 rush in advance can enter in the first waste liquid bumping bag 19 simultaneously, can also pass through pipe The control on road is protected so that the liquid after the two is rushed in advance respectively enters in the first waste liquid bumping bag 19 and the second waste liquid bumping bag 21 All waste liquids can be undertaken by demonstrate,proving the first waste liquid bumping bag 19 and the second waste liquid bumping bag 21, meet the needs of using.

It should be noted that the 7th pipeline 20 and the second waste liquid bumping bag 21 are to be detachably connected with the pipeline, It is determined according to specific service condition.

It is doctor that the first three-port structure 131, the second three-port structure 141 and third three-port structure 132 are selected in the present embodiment It before dialysis, needs to rush perfusion device 11 and dialyzer 12 in advance with physiological saline when in use with tee tube, this is practical It is novel it is pre- rush perfusion device 11 and dialyzer 12, Medical tee joint pipe is rotated first so that first pipeline 13, perfusion device 11, Second pipeline 14, dialyzer 12 and third pipeline 15 are interconnected, and physiological saline is injected third pipeline 15, enters dialysis later Device 12, the second pipeline 14, perfusion device 11, finally enter in the first pipeline 13, subsequently into the first waste liquid bumping bag 19 or/and In seven pipelines 20 and the second waste liquid bumping bag 21, whole process, perfusion device 11 and dialyzer 12 rush in advance simultaneously, before realizing treatment Pre- punching.

By in parallel 4th pipeline 16, first rotation Medical tee joint pipe so that the first pipeline 13, the 4th pipeline 16, Second pipeline 14, dialyzer 12 and third pipeline 15 are connected, and physiological saline is injected third pipeline 15, enters dialyzer later 12, the second pipeline 14, the 4th pipeline 16 finally enter in the first pipeline 13, subsequently into the first waste liquid bumping bag 19 or/and In seven pipelines 20 and the second waste liquid bumping bag 21, whole process realizes the pre- punching that dialyzer 12 rushes in advance, before realizing treatment.

By in parallel 6th pipeline 18, first rotation Medical tee joint pipe, so that the first pipeline 13, perfusion device 11, the Two pipelines 14, the 6th pipeline 18 and third pipeline 15 are connected, and physiological saline is injected third pipeline 15, enters the 6th pipeline later 18, the second pipeline 14, perfusion device 11 finally enter in the first pipeline 13, subsequently into the first waste liquid bumping bag 19, entire mistake Journey realizes the pre- punching that perfusion device 11 rushes in advance, before realizing treatment.

By control Medical tee joint pipe opening and closing, it can be achieved that the series connection of dialyzer 12 and perfusion device 11 rush in advance or individually in advance Punching, meets the use demand in a variety of situations.

After pre- punching, Medical tee joint pipe is rotated, realizes the first pipeline 13, the 4th pipeline 16, the 5th pipeline 17, dialyzer The other end of conducting between 12 and third pipeline 15, the 5th pipeline 17 is contacted with air, and air passes through pressure sensor It enters inside the 5th pipeline 17, by the entrance of air, presses the blood in the perfusion device 11, make blood by institute It states the 4th pipeline 16 to return in the first pipeline 13, avoids the generation of the blood coagulation phenomenon on 11 pipeline of perfusion device.

The treatment finally dialysed rotates Medical tee joint pipe, realizes the first pipeline 13, the 4th pipeline 16, dialyzer 12 Conducting between third pipeline 15 inputs blood from the upper end of the first pipeline 13, into first pipeline 13, the 4th pipeline 16, the full treatment of dialysis is realized in the conducting of dialyzer 12 and the third pipeline 15.Avoid repeatedly disassembly perfusion device 11 and thoroughly The intrusion of germ caused by parser 12 avoids the infection of patient.

The utility model additionally provides a kind of therapeutic device, including normal saline bottle and combined artificial kidney as described above Pipeline；One end of the normal saline bottle is connect with the liquid feeding end of the third pipeline 15.

The normal saline bottle is connect with the lower end of the third pipeline 15, facilitates the pre- of the combined artificial kidney pipeline The realization of punching, convenient pre- punching, saves the time that medical staff prepares articles, the time before saving treatment.

Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (9)

1. a kind of combined artificial kidney pipeline, which is characterized in that including perfusion device (11), dialyzer (12), the first pipeline (13), Second pipeline (14), third pipeline (15), the 4th pipeline (16), the 5th pipeline (17) and pressure sensor；

First pipeline (13), perfusion device (11), the second pipeline (14), dialyzer (12) and the third pipeline (15) are successively Connection, one end of the 4th pipeline (16) is connected to first pipeline (13), the other end of the 4th pipeline (16) and Second pipeline (14) connection, one end of the 5th pipeline (17) are connected to first pipeline (13), the 5th pipe Road (17) and the connecting pin of first pipeline (13) are described between the 4th pipeline (16) and the perfusion device (11) The other end and air communication of 5th pipeline (17), the 5th pipeline (17) are equipped with pressure sensor；

On first pipeline (13), the second pipeline (14), third pipeline (15), the 4th pipeline (16) and the 5th pipeline (17) Equipped with switching mechanism, the switching mechanism is for the first pipeline (13), the second pipeline (14), third pipeline described in closure or openness (15), the 4th pipeline (16) and the 5th pipeline (17)；

5th pipeline (17) is equipped with for stopping external substance to enter the filter device in pipeline.

2. combined artificial kidney pipeline according to claim 1, which is characterized in that the switching mechanism is clips.

3. combined artificial kidney pipeline according to claim 1, which is characterized in that the opening/closing machine of the third pipeline (15) Structure is clips, and the switching mechanism between first pipeline (13) and the 4th pipeline (16) is the first three-port structure (131), the switching mechanism between second pipeline (14) and the 4th pipeline (16) is the second three-port structure (141), institute Stating the switching mechanism between the first pipeline (13) and the 5th pipeline (17) is third three-port structure (132).

4. combined artificial kidney pipeline according to claim 1, which is characterized in that it further include the 6th pipeline (18), it is described One end of 6th pipeline (18) is connected to second pipeline (14), the other end and the third pipe of the 6th pipeline (18) Road (15) connection, the 6th pipeline (18) are equipped with switching mechanism.

5. combined artificial kidney pipeline according to claim 4, which is characterized in that the 6th pipeline (18) and described the Switching mechanism between two pipelines (14) is three-port structure, opening between the 6th pipeline (18) and the third pipeline (15) Closing mechanism is three-port structure.

6. combined artificial kidney pipeline according to claim 4, which is characterized in that the 6th pipeline (18), described Switching mechanism between two pipelines (14) and the 4th pipeline (16) is four-way structure, the 6th pipeline (18) and described the Switching mechanism between three pipelines (15) is three-port structure.

7. combined artificial kidney pipeline according to claim 1, which is characterized in that further include the first waste liquid bumping bag (19), the liquid feeding end of the first waste liquid bumping bag (19) is connect with the outlet end of first pipeline (13).

8. combined artificial kidney pipeline according to claim 1, which is characterized in that further include the 7th pipeline (20) and second One end of waste liquid bumping bag (21), the 7th pipeline (20) is connected to the 4th pipeline (16), the 7th pipeline (20) The other end be connected to the second waste liquid bumping bag (21).

9. a kind of therapeutic device, which is characterized in that including normal saline bottle and such as combination of any of claims 1-8 Type artificial kidney pipeline；

One end of the normal saline bottle is connect with the liquid feeding end of the third pipeline (15).