CN209173054U - A kind of filtering device for blood dialysis with blood filtering function - Google Patents
A kind of filtering device for blood dialysis with blood filtering function Download PDFInfo
- Publication number
- CN209173054U CN209173054U CN201821101872.7U CN201821101872U CN209173054U CN 209173054 U CN209173054 U CN 209173054U CN 201821101872 U CN201821101872 U CN 201821101872U CN 209173054 U CN209173054 U CN 209173054U
- Authority
- CN
- China
- Prior art keywords
- blood
- dialysis
- liquid
- pipeline
- waste
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- External Artificial Organs (AREA)
Abstract
The utility model belongs to the field of medical instrument technology, discloses a kind of filtering device for blood dialysis with blood filtering function, including dialyzer, and blood sampling pipe and blood back pipeline are connected with dialyzer, and displacement liquid pipeline is connected with blood sampling pipe；Dialyzer is equipped with dialyzate entrance and waste liquid outlet；Waste-solution line is connected with waste liquid entrance, and waste liquid entrance is matched with waste liquid outlet；Dialyzate piping connection is exported equipped with dialyzate, and dialyzate outlet is matched with dialyzate entrance；Three-way connection includes the first connector, the second connector and third connector, and the first connector is matched with dialyzate outlet, and the second connector is matched with waste liquid outlet, and third connector is matched with waste liquid entrance.The filtering device for blood dialysis of the utility model after only bypassing to exterior line, haves no need to change the operating mode of dialysis machine, while carrying out blood filtering on the basis of having the function of conventional hemodiafiltration, it is ensured that balance operates normally.
Description
Technical field
The utility model belongs to the field of medical instrument technology, and in particular to a kind of haemodialysis with blood filtering function
Filtering device.
Background technique
Haemodialysis (HD) is one of acute or chronic renal failure kidneys of patients Replacement Therapy.It is by by internal blood
Liquid is drained in vitro, through one by the dialyzer that is formed without several hollow fibres, blood electrolysis similar with concentration containing body
Matter solution (dialyzate) carries out mass exchange inside and outside hollow fibre one by one, through disperse, ultrafiltration, absorption and convective principles,
It removes intracorporal metabolic waste, maintain electrolyte and acid-base balance；Moisture excessive in vivo is removed simultaneously, and will be by purification
The whole process of blood recovery is known as haemodialysis.
Blood filtering (HF) refers to without using dialyzate in blood purification process, but persistently supplements in vascular access
A certain amount of displacement liquid, is sufficiently mixed with blood, then carries out ultrafiltration with identical speed, with reach remove excessive water in vivo and
The purpose of toxin.Compared with haemodialysis, blood filtering has to hemodynamic effects small, medium molecular substance clearance rate height etc.
Advantage.
Hemodiafiltration (HDF) combines the advantages of haemodialysis (HD) and blood filtering (HF), that is, passes through disperse height
Effect removes small-molecule substance and efficiently removes medium molecular substance by convection current.Common HD due to the removing to middle molecule toxins not
Foot, and can induce new toxin and generate, caused complication is higher, reduces the quality of life of patient, and the death rate increases.
Existing some dialysis machines only have the function of hemodiafiltration (HDF), do not design individual bypath system, this
As shown in Figure 1, can not carry out the treatment of blood filtering (HF) completely, the utility model is based on existing the principle of class dialysis machine 100
This kind of dialysis machine improve, by simple external bypass system, make it have the function of blood filtering (HF).
Utility model content
In order to solve the above problems existing in the present technology, the utility model aim is to provide a kind of with blood filtering
The filtering device for blood dialysis of function.
The technology employed by the present utility model is
A kind of filtering device for blood dialysis with blood filtering function, including dialyzer, blood sampling pipe, blood back pipeline,
Dialysis liquid pipeline, displacement liquid pipeline, waste-solution line and three-way connection；
Blood sampling pipe and blood back pipeline are connected with dialyzer, and displacement liquid pipeline is connected with blood sampling pipe；
Dialyzer is equipped with dialyzate entrance and waste liquid outlet；
Waste-solution line is connected with waste liquid entrance, and waste liquid entrance is matched with waste liquid outlet；
Dialyzate piping connection is exported equipped with dialyzate, and dialyzate outlet is matched with dialyzate entrance；
Three-way connection includes the first connector, the second connector and third connector, and the first connector is matched with dialyzate outlet, and second
Connector is matched with waste liquid outlet, and third connector is matched with waste liquid entrance.
Preferably, the pipeline that third connector is connected on the three-way connection is equipped with check valve.
Preferably, the dialysis liquid pipeline connects source with respect to the other end that dialyzate exports, and replaces the entrance of liquid pipeline
End connection dialysis liquid pipeline.
Preferably, the dialysis liquid pipeline be equipped with endotoxin filter, endotoxin filter be located at displacement liquid pipeline with
The upstream of dialyzate line connection.
Preferably, the displacement liquid pipeline is equipped with endotoxin filter.
Preferably, the waste-solution line is with respect to other end connection row's mouth of waste liquid entrance, arranges mouth and source and dialysis machine
Counter balance pocket be connected.
Preferably, the blood sampling pipe is equipped with displacement liquid entrance, and displacement liquid piping connection is exported equipped with displacement liquid, displacement
Liquid outlet is detachably connected with displacement liquid entrance.
Preferably, the displacement liquid inlet is equipped with valve.
Preferably, peristaltic pump is equipped on the dialysis liquid pipeline, displacement liquid pipeline and waste-solution line.
Preferably, flowmeter is equipped on the dialysis liquid pipeline, displacement liquid pipeline and waste-solution line.
The utility model has the following beneficial effects:
Filtering device for blood dialysis provided by the utility model, on the basis with conventional hemodiafiltration function
On, after only bypassing to exterior line, the operating mode of dialysis machine is had no need to change, it, can while carrying out blood filtering
To guarantee balance, operate normally.
Detailed description of the invention
Fig. 1 is the schematic diagram of the hemodiafiltration state of the utility model filtering device for blood dialysis.
Fig. 2 is the schematic diagram of the blood filtering state of filtering device for blood dialysis in the utility model embodiment 1.
Fig. 3 is the schematic diagram of the blood filtering state of filtering device for blood dialysis in the utility model embodiment 2.
In figure: 1- dialyzer；11- blood inlet；The outlet of 12- blood back；13- dialyzate entrance；14- waste liquid outlet；2- is adopted
Blood vessel road；21- displacement liquid entrance；22- valve；3- blood back pipeline；4- dialysis liquid pipeline；The outlet of 41- dialyzate；The source 42-；5-
Replace liquid pipeline；The outlet of 51- displacement liquid；6- waste-solution line；61- waste liquid entrance；62- arranges mouth；7- three-way connection；71- first connects
Head；The second connector of 72-；73- third connector；74- check valve；100- dialysis machine；200- counter balance pocket；300- peristaltic pump；400- stream
Meter；500- endotoxin filter.
Specific embodiment
With reference to the accompanying drawing and specific embodiment does further explaination to the utility model.
Embodiment 1:
As depicted in figs. 1 and 2, the present embodiment provides a kind of filtering device for blood dialysis with blood filtering function, packets
Include dialyzer 1, blood sampling pipe 2, blood back pipeline 3, dialysis liquid pipeline 4, displacement liquid pipeline 5, waste-solution line 6 and three-way connection 7.
Dialyzer 1 is equipped with blood inlet 11, blood back outlet 12, waste liquid outlet 14 and dialyzate entrance 13.In dialyzer 1
It is typically provided with the semi-permeable membrane that many hollow fibre forms are realized, is transferred to by the substance that semi-permeable membrane will be removed from blood
It analyses in liquid, the substance to be removed is deflected from by dialyzate.It simultaneously can be by extra amount of liquid from blood by barometric gradient
Ultrafiltration and the removal of the dialyzate by flowing away.It finally can also be using the diffusion gradient of opposite such as sodium ion, thus by saturating
Substance in analysis liquid is transferred in blood.
Blood sampling pipe 2 and blood back pipeline 3 are connected with dialyzer 1, specifically, blood sampling pipe 2 removably connects blood
Import 11, the removably connection blood back outlet 12 of blood back pipeline 3.
One end connection dialyzate outlet 41 of dialysis liquid pipeline 4, the other end connect source 42, dialyzate outlet 41 and dialysis
Liquid entrance 13 matches.
One end of displacement liquid pipeline 5 is connected with blood sampling pipe 2, specifically, blood sampling pipe 2 is equipped with displacement liquid entrance 21,
Valve 22 is equipped at displacement liquid entrance 21.Displacement liquid pipeline 5 is connected with displacement liquid outlet 51, displacement liquid outlet 51 and displacement liquid
Entrance 21 is detachably connected.
The other end connection dialysis liquid pipeline 4 of liquid pipeline 5 is replaced, displacement liquid pipeline 5 is equipped with endotoxin filter 500.
Become dialyzate after machine reverse osmosis water and A, B concentrated liquor mixing of dialysis filtration and enters dialysis liquid pipe from source 42
Road 4, a part are directly entered dialyzer 1, and another part enters displacement liquid pipeline 5, by two concatenated endotoxin filters
500 make the rear displacement liquid that becomes more up to standard such as endotoxin bacterium enter blood sampling pipe 2.
One end of waste-solution line 6 connects waste liquid entrance 61, and waste liquid entrance 61 is matched with waste liquid outlet 14.Waste-solution line 6
Other end connection row's mouth 62.
Row's mouth 62 and source 42 are connected with the counter balance pocket of dialysis machine 200, and source 42 is used for accessing dialyzate, row's mouth 62
In picking out waste liquid.
Three-way connection 7 includes the first connector 71, the second connector 72 and third connector 73, and the first connector 71 is exported with dialyzate
41 matchings, the second connector 72 are matched with waste liquid outlet 14, and third connector 73 is matched with waste liquid entrance 61.
The above-mentioned each component to match each other and each component being detachably connected are corresponding complementaries, and usually with coupling
The form of device is realized mutual matching or is detachably connected.
It is equipped with peristaltic pump 300 on dialysis liquid pipeline 4, displacement liquid pipeline 5 and waste-solution line 6, peristaltic pump 300 is controlled in dialysis
For having enough to meet the need liquid and control liquid discharge during treating.
It is equipped with flowmeter 400 on dialysis liquid pipeline 4, displacement liquid pipeline 5 and waste-solution line 6, in order to system monitoring pipe
The volume of liquid is flowed through in road, realizes balance.
Filtering device for blood dialysis in the present embodiment has hemodiafiltration function and blood filtering function.Such as Fig. 1
It is shown, when which carries out hemodiafiltration, displacement liquid outlet 51 is connected to displacement liquid entrance 21, it will
Waste liquid entrance 61 is connected to waste liquid outlet 14, and dialyzate outlet 41 is connected to dialyzate entrance 13, opens peristaltic pump 300 and valve
Door 22, the displacement liquid accessed from displacement liquid pipeline 5, which is introduced into after blood sampling pipe 2 is mixed with blood, enters back into dialyzer 1, while from
The dialyzate that dialysis liquid pipeline 4 accesses enters dialyzer 1 and carries out hemodiafiltration, and the waste liquid after last hemodiafiltration is logical
Cross the discharge of waste-solution line 6.The volume A of the displacement liquid wherein accessed from displacement liquid pipeline 5 is added from the saturating of the dialysis access of liquid pipeline 4
The volume B of analysis liquid is equal to the volume C for the waste liquid being discharged from waste-solution line 6, to realize balance.
As shown in Fig. 2, when the filtering device for blood dialysis carries out blood filtering, by displacement liquid outlet 51 and displacement liquid entrance
First connector 71 is connected to dialyzate outlet 41, the second connector 72 is connected to waste liquid outlet 14, by third connector by 21 connections
73 are connected to waste liquid entrance 61, open peristaltic pump 300 and valve 22, and the displacement liquid accessed from displacement liquid pipeline 5 is introduced into blood sampling
Pipeline 2 enters back into dialyzer 1 and carries out blood filtering after mixing with blood, while entering from the dialyzate that dialysis liquid pipeline 4 accesses
Three-way connection 7, the waste liquid after blood filtering also enter three-way connection 7, and last dialyzate and waste liquid enter the discharge of waste-solution line 6.
The volume B that the volume A of the displacement liquid wherein accessed from displacement liquid pipeline 5 adds the dialyzate accessed from dialysis liquid pipeline 4 is equal to
The volume C for the waste liquid being discharged from waste-solution line 6.After only bypassing to exterior line, the work of dialysis machine 100 is had no need to change
Operation mode can still guarantee to balance, and system can operate normally.
The waste liquid refluence in waste-solution line 6 pollutes in order to prevent, the pipe that third connector 73 is connected on three-way connection 7
Road is equipped with check valve 74.
Embodiment 2
As shown in figure 3, the present embodiment provides a kind of filtering device for blood dialysis with blood filtering function, with implementation
The difference of filtering device for blood dialysis in example 1 is only that endotoxin filter 500 is set on dialysis liquid pipeline 4, endotoxin mistake
Filter 500 is located at the upstream of displacement liquid pipeline 5 and 4 junction of liquid pipeline of dialysing.
Become after dialyzate comes out from source 42 after machine reverse osmosis water and A, B concentrated liquor mixing of dialysis filtration by two
After a concatenated endotoxin filter 500 keeps endotoxin bacterium etc. more up to standard, a part is directly entered by liquid pipeline 4 of dialysing
Parser 1, another part, which enters displacement liquid pipeline 5, becomes displacement liquid.
The utility model is not limited to above-mentioned optional embodiment, anyone can obtain under the enlightenment of the utility model
Other various forms of products out.Above-mentioned specific embodiment should not be understood the limitation of the pairs of protection scope of the utility model,
The protection scope of the utility model should be subject to be defined in claims, and specification can be used for explaining that right is wanted
Seek book.
Claims (10)
1. a kind of filtering device for blood dialysis with blood filtering function, it is characterised in that: including dialyzer (1), heparin tube
Road (2), blood back pipeline (3), dialysis liquid pipeline (4), displacement liquid pipeline (5), waste-solution line (6) and three-way connection (7)；
Blood sampling pipe (2) and blood back pipeline (3) are connected with dialyzer (1), and displacement liquid pipeline (5) is connected with blood sampling pipe (2)；
Dialyzer (1) is equipped with dialyzate entrance (13) and waste liquid outlet (14)；
Waste-solution line (6) is connected with waste liquid entrance (61), and waste liquid entrance (61) is matched with waste liquid outlet (14)；
Dialysis liquid pipeline (4) is connected with dialyzate outlet (41), and dialyzate outlet (41) is matched with dialyzate entrance (13)；
Three-way connection (7) includes the first connector (71), the second connector (72) and third connector (73), the first connector (71) and dialysis
Liquid exports (41) matching, and the second connector (72) is matched with waste liquid outlet (14), and third connector (73) is matched with waste liquid entrance (61).
2. filtering device for blood dialysis according to claim 1, it is characterised in that: third connects on the three-way connection (7)
The pipeline that head (73) is connected is equipped with check valve (74).
3. filtering device for blood dialysis according to claim 1 or 2, it is characterised in that: the dialysis liquid pipeline (4) is opposite
The other end that dialyzate exports (41) connects source (42), arrival end connection dialysis liquid pipeline (4) of displacement liquid pipeline (5).
4. filtering device for blood dialysis according to claim 3, it is characterised in that: the dialysis liquid pipeline (4) is equipped with
Endotoxin filter (500), endotoxin filter (500) are located at displacement liquid pipeline (5) and the upper of liquid pipeline (4) junction of dialysing
Trip.
5. filtering device for blood dialysis according to claim 3, it is characterised in that: the displacement liquid pipeline (5) is equipped with
Endotoxin filter (500).
6. filtering device for blood dialysis according to claim 3, it is characterised in that: the waste-solution line (6) is with respect to waste liquid
Other end connection row mouth (62) of entrance (61), row mouth (62) and source (42) are connected with the counter balance pocket of dialysis machine (200).
7. filtering device for blood dialysis according to claim 1, it is characterised in that: the blood sampling pipe (2) is equipped with and sets
It changes liquid entrance (21), displacement liquid pipeline (5) is connected with displacement liquid outlet (51), and displacement liquid exports (51) and displacement liquid entrance
(21) it is detachably connected.
8. filtering device for blood dialysis according to claim 7, it is characterised in that: be equipped at the displacement liquid entrance (21)
Valve (22).
9. filtering device for blood dialysis according to claim 1, it is characterised in that: the dialysis liquid pipeline (4), displacement liquid
Peristaltic pump (300) are equipped on pipeline (5) and waste-solution line (6).
10. according to claim 1 or filtering device for blood dialysis described in 9, it is characterised in that: the dialysis liquid pipeline (4) is set
It changes on liquid pipeline (5) and waste-solution line (6) and is equipped with flowmeter (400).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821101872.7U CN209173054U (en) | 2018-07-11 | 2018-07-11 | A kind of filtering device for blood dialysis with blood filtering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821101872.7U CN209173054U (en) | 2018-07-11 | 2018-07-11 | A kind of filtering device for blood dialysis with blood filtering function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209173054U true CN209173054U (en) | 2019-07-30 |
Family
ID=67357573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821101872.7U Active CN209173054U (en) | 2018-07-11 | 2018-07-11 | A kind of filtering device for blood dialysis with blood filtering function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209173054U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744103A (en) * | 2018-07-11 | 2018-11-06 | 何忠贵 | A kind of filtering device for blood dialysis with blood filtering function |
| CN111166953A (en) * | 2020-02-03 | 2020-05-19 | 深圳汉诺医疗科技有限公司 | Extracorporeal circulation system and method for purifying blood |
-
2018
- 2018-07-11 CN CN201821101872.7U patent/CN209173054U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744103A (en) * | 2018-07-11 | 2018-11-06 | 何忠贵 | A kind of filtering device for blood dialysis with blood filtering function |
| CN111166953A (en) * | 2020-02-03 | 2020-05-19 | 深圳汉诺医疗科技有限公司 | Extracorporeal circulation system and method for purifying blood |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100649260B1 (en) | Dual-stage filtration cartridge | |
| JP4436569B2 (en) | Permeation type filtration system by osmotic pressure difference | |
| EP2978468B1 (en) | Disposable cartridge system for use with sorbent or premixed dialysate | |
| CN102389594A (en) | Portable blood purifying system | |
| Ronco | Backfiltration: a controversial issue in modern dialysis | |
| CN102753208A (en) | Dialyzer | |
| CN209173054U (en) | A kind of filtering device for blood dialysis with blood filtering function | |
| CN108744103A (en) | A kind of filtering device for blood dialysis with blood filtering function | |
| CN104689395A (en) | Experimental facility for dialyzer ultrafiltration rate and clearance rate | |
| CN203619966U (en) | Blood ascites purifying device for hemodiafiltration joint ascites ultrafiltration and reinfusion | |
| CN202207346U (en) | Portable blood purifying system | |
| CN204379871U (en) | A kind of hemoperfusion cascading hemodialysis filtration system | |
| CN101987210B (en) | Blood filtration system | |
| CN108697987A (en) | System and method for filtering fluid | |
| CN105536085B (en) | A kind of continous way CRRT machine capability bascules | |
| CN207101561U (en) | A kind of haemodialyser for the detectable liquid level being easily installed | |
| CN204543038U (en) | The external arterial line of front dilution method hemofiltration and circulation line | |
| CN211561296U (en) | Double-chamber blood filter | |
| CN206577183U (en) | The plasmapheresis device extracorporeal circulation pipeline of changeable blood separator | |
| CN110141702A (en) | Inversion hemodiafiltration method and apparatus, blood filter component and its pipeline assembly | |
| JP2005118506A (en) | On-line massive fluid replacement type hemodialyzer | |
| CN105879138B (en) | The plasmapheresis device extracorporeal circulation pipeline of changeable blood separator | |
| CN205649684U (en) | Discontinuous CRRT machine capacity balancing unit | |
| CN204910261U (en) | Hemodialysis uses room hemodialysis adsorber | |
| CN109602967A (en) | A kind of dialysis machine that can carry out fluid infusion |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |