CN109621051A - It is a kind of for blood filtering, the displacement liquid injection pipe of hemodiafiltration - Google Patents
It is a kind of for blood filtering, the displacement liquid injection pipe of hemodiafiltration Download PDFInfo
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- CN109621051A CN109621051A CN201910075560.6A CN201910075560A CN109621051A CN 109621051 A CN109621051 A CN 109621051A CN 201910075560 A CN201910075560 A CN 201910075560A CN 109621051 A CN109621051 A CN 109621051A
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- China
- Prior art keywords
- branch pipeline
- displacement liquid
- hemodiafiltration
- blood
- injection pipe
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- 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.)
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1601—Control or regulation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1621—Constructional aspects thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
- A61M2202/0413—Blood
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Urology & Nephrology (AREA)
- Cardiology (AREA)
- Emergency Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
The invention patent discloses a kind of for blood filtering, the displacement liquid injection pipe of hemodiafiltration, it include: main line, branch pipeline one and branch pipeline two, main line one end is connected by machine port with the saturating dialysis filtration machine displacement liquid outlet of blood, the other end is connected with branch pipeline one, branch pipeline two respectively, branch pipeline one is connect by artery pot port with artery pot, and branch pipeline two is connect by venous chambers port with venous chambers；Folder, which is provided with, in branch pipeline one and branch pipeline two closes device.The present invention is not only simple in structure, easy to use, and production cost is low, and it can be to avoid in Hemofiltration for Treatment and hemodiafiltration, the problem of frequently replacement venous chambers port is with artery pot port, had both alleviated the workload of hemodialysis nurse, and had in turn simplified operating process.
Description
Technical field
The invention patent belongs to hemodialysis technology field, more particularly to a kind of to be used for blood filtering, blood
The displacement liquid injection pipe of dialysis filtration treatment.
Background technique
Uremia is due to renal failure, glomerular filtration rate decline, and interior metabolism product is a series of caused by accumulating
Clinical symptoms, the toxin of thousands different molecular weights takes part in the process of morbidity, and lps molecule is according to quality size point
Are as follows: small molecule toxins, middle molecule toxins and macromolecular toxins.Hemodialysis can effectively remove small molecule toxins, but
Be centering macromolecular toxins Scavenging activity it is almost nil.Since hemodiafiltration mode in 1978 comes out, it is always
Toxin clearance rate (can effectively remove small molecular toxin) and a kind of higher treatment mode of dialysis adequacy in chronic, by universal
It is used in the replacement therapy of uremic patient, in clinic, row hemodiafiltration and the maximum area of hemodialysis
It is not exactly that the hemodiafiltration ultrapure displacement liquid (ingredient is electrolyte) that has blood filter to generate online is directly injected into blood samples of patients
In, achieve the purpose that remove patient's body excessive moisture and toxin by convection current, diffusion fashion together with dialysis machine, according to setting
The difference of position between liquid fluid infusion and dialyzer is changed, displacement liquid injection mode is divided into preceding dilution method, rear dilution method, mixed diluting
Method requires a connecting tube regardless of displacement liquid method for implanting and comes linker substitution liquid and cardiopulmonary bypass in patients pipeline and one
The machine exit of linker substitution liquid is held, one end connects patient's blood vessel (extracorporeal circulation blood circuit), and traditional displacement liquid injection pipe is all
It is single tube single head, preceding dilution method and patient end are the artery pot (before dialyzer) for being connected to extracorporal circulatory system, rear dilution method and trouble
Person end is connected to extracorporal circulatory system venous chambers (after dialyzer), both dilution methods cut both ways, preceding dilution method and rear dilution method
Advantage and disadvantage it is as follows:
One, preceding dilution method: displacement liquid (artery pot) before dialyzer injects
Advantage: blood has been diluted before entering filter, therefore resistance of blood flow is small, extracorporeal circulation pipeline (dialyzer, bloody path
Pipe) it is not susceptible to blood coagulation, dialyzer remnants blood volume is few, is not easy to form protein film covering, and haemodialysis control unit is not susceptible to transmembrane pressure
Alarm, machine alarm rate is low, and blood pump termination of pumping probability is low, and patient's heparin usage amount is less.Disadvantage: since displacement liquid is before dialyzer
It is added, the relatively rear dilution method of toxin clearance rate is low, and displacement liquid total demand is high, increases dialysis cost
Two, rear dilution method: displacement liquid (venous chambers) after dialyzer injects
Advantage: toxin clearance rate is high, and displacement liquid total demand is low, saves dialysis cost.Disadvantage: because patient whole blood is by saturating
Moisture extra in blood can be exceeded with toxin after parser, so the blood filtered out from dialyzer is mostly to be concentrated, in vein
Resistance of blood flow is big when pot injects displacement liquid, and phase blood filter transmembrane pressure alarm rate is high after the treatment, and blood pump termination of pumping probability is high, Yi Fasheng
Extracorporeal circulation pipeline blood coagulation, dialyzer protein film easily generated, treatment later period toxin elimination efficiency decline, heparin usage amount are big.
Mixed diluting method: displacement liquid is injected in dialyzer forward and backward (artery pot, venous chambers) simultaneously simultaneously
Advantage: mixing dilute method, dilution method and rear dilution method are compared earlier above, are improved toxin clearance rate and dialysis adequacy in chronic, are mentioned
High uremic patient survival rate.It is effectively reduced the usage amount of heparin, avoids the generation of related complication.Reduce blood
Machine alarm frequency in the treatment of liquid dialysis filtration reduces the number that nurse eliminates alarm, saves manpower.Reduce displacement liquid measure
Dosage reduces costs, and has saved medical expense.Dialyzer life time is improved, extracorporeal circulation pipeline is not easy blood coagulation, avoids blood
Loss of the saturating patient because of blood caused by blood coagulation.Disadvantage: cumbersome, nurse needs frequently to exchange connecing for patient end in the treatment
Mouthful, venous chambers are moved to from artery pot, or move to artery pot from venous chambers, mixed diluting are achieved the purpose that by manual type,
Displacement liquid injection rate is recalculated according to the movement of port simultaneously, this also becomes the master that clinically limitation mixed diluting method is carried out
Want reason.
Therefore, how to provide a kind of displacement liquid injection pipe for blood filtering, hemodiafiltration becomes this
The problem of field technical staff's urgent need to resolve.
Patent of invention content
In view of this, the invention patent provides a kind of displacement liquid note for blood filtering, hemodiafiltration
Enter pipe, be not only simple in structure, easy to use, production cost is low, and can control to avoid in blood filtering and hemodiafiltration
When treatment, the problem of venous chambers port is with artery pot port is frequently replaced, the workload of hemodialysis nurse had both been alleviated, and had in turn simplified behaviour
Make process.
To achieve the goals above, the invention patent adopts the following technical scheme that
It is a kind of for blood filtering, the displacement liquid injection pipe of hemodiafiltration, comprising: main line, branch pipeline one
With branch pipeline two, described main line one end is connected by machine port with displacement liquid machine, the other end respectively with the branch pipeline
One, the branch pipeline two is connected, and the branch pipeline one is connect by artery pot port with artery pot, and the branch pipeline two passes through quiet
Arteries and veins pot port is connect with venous chambers.
Preferably, the main line and the branch pipeline one and the branch pipeline two form " Y " font structure, can will replace
The venous chambers of liquid machine end and patient end, artery pot three connect simultaneously.
Preferably, it is provided with blood pump pump line on the main line, by the way that the blood pump pump line of different inner diameters is arranged, be suitable for not
Same crowd.
Preferably, folder being provided in the branch pipeline one and the branch pipeline two and closing device, closing device by folder can
Realize the blocking and conducting of branch pipeline one and branch pipeline two, it is easy to adjust.
Preferably, it includes fixed part and clamping part that the folder, which closes device, and described fixed part one end is connected with the clamping part,
The other end be provided with the clamping part clamping fixture block, and the inner wall of the fixed part and the clamping part be symmetrically arranged with it is convex
It rises.Clamping part is pressed, clamping part and fixture block are clamped, then branch pipeline one or branch pipeline two block, and unclamp clamping part, then branch pipeline
One or branch pipeline two be connected, facilitate adjustings, singlehanded is to be convenient to operation.
Preferably, the through-hole for interting the branch pipeline one or the branch pipeline two, branch pipeline are offered on the fixed part
One or branch pipeline two block or conducting when, separated it is not necessary that it is closed device with folder, facilitate operation, save the time.
Preferably, arc-shaped structure is used at the opposite position of the protrusion of the protrusion and clamping part of the fixed part
Design.The circular-arc-shaped design of two raised corresponding sections, so that can be avoided to branch pipeline one and be in charge of when folder closes device and clamps
It causes to damage in road two.
The beneficial effect of the invention patent is:
The present invention is connected by main line with branch pipeline one, branch pipeline two, can will be by the saturating dialysis filtration machine of blood
Displacement liquid outlet is connect simultaneously with the venous chambers of patient end, artery pot three, is set moderate displacement liquid total amount, thus may be used
To avoid blood filtering and hemodiafiltration constantly, nurse frequently replaces venous chambers port, artery pot port is asked
Topic, had both alleviated the workload of hemodialysis nurse, in turn simplified operating process, at the same can be to avoid due to exchanging port when, cause
The problem of blood samples of patients drop spills, pollutes Curing circumstance generates, moreover it is possible to reduce hemodialysis patients blood loss；Closing device by folder can
Realize the blocking and conducting of branch pipeline one and branch pipeline two, it is easy to adjust.
Detailed description of the invention
It, below will be to embodiment in order to illustrate more clearly of the invention patent embodiment or technical solution in the prior art
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiment of the invention patent, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 attached drawing is structural schematic diagram of the invention.
Fig. 2 attached drawing is the structural schematic diagram that present invention folder closes device.
Wherein, in figure,
1- main line；2- branch pipeline one；3- branch pipeline two；4- machine port；5- artery pot port；6- venous chambers port；
7- blood pump pump line；8- folder closes device；9- fixed part；10- clamping part；11- fixture block；12- protrusion；13- through-hole.
Specific embodiment
Below in conjunction with the attached drawing in the invention patent embodiment, the technical solution in the invention patent embodiment is carried out
Clearly and completely describing, it is clear that described embodiment is only the invention patent a part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the invention patent, those of ordinary skill in the art are without making creative work
Every other embodiment obtained belongs to the range of the invention patent protection.
Attached drawing 1-2 is please referred to, the invention patent provides a kind of displacement for blood filtering, hemodiafiltration
Liquid injection pipe, comprising: main line 1, branch pipeline 1 and branch pipeline 23,1 one end of main line pass through machine port 4 and haemodialysis
The outlet of filtering machine displacement liquid is connected, and the other end is connected with branch pipeline 1, branch pipeline 23 respectively, and branch pipeline 1 passes through artery pot
Port 5 is connect with artery pot, and branch pipeline 23 is connect by venous chambers port 6 with venous chambers.
In another embodiment, main line 1 and branch pipeline 1 and branch pipeline 23 form " Y " font structure, can be by blood
The outlet of liquid dialysis filtration machine displacement liquid is connect simultaneously with the venous chambers of patient end, artery pot three.
In another embodiment, it is provided with blood pump pump line 7 on main line 1, by the blood pump pump line that different inner diameters are arranged
7, it is suitable for different crowds.
In another embodiment, folder being provided in branch pipeline 1 and branch pipeline 23 and closing device 8, device is closed by folder
8 can be realized the blocking and conducting of branch pipeline 1 Yu branch pipeline 23, easy to adjust.
It includes fixed part 9 and clamping part 10 that folder, which closes device 8, and fixed part 9 and clamping part 10 are integrally formed, 9 one end of fixed part
It is connected with clamping part 10, the other end is provided with the fixture block 11 being clamped with clamping part 10, and the inner wall pair of fixed part 9 and clamping part 10
Title is provided with protrusion 12.Clamping part 10 is pressed, clamping part 10 and fixture block 11 are clamped, then branch pipeline 1 or branch pipeline 23 hinder
It is disconnected, clamping part 10 is unclamped, then branch pipeline 1 or branch pipeline 23 are connected, and facilitate adjusting, and one hand is convenient to operation.
In another embodiment, the through-hole 13 that interspersed branch pipeline 1 or branch pipeline 23 are offered on fixed part 9, is in charge of
When road 1 or branch pipeline 23 are blocked or be connected, is separated it is not necessary that it is closed device 8 with folder, facilitate operation, save the time.
In another embodiment, it is used at the opposite position of the protrusion 12 of the protrusion 12 and clamping part 10 of fixed part 9
Arc-shaped structure design.The circular-arc-shaped design of two raised 12 corresponding sections can be avoided pair so that when folder closes device 8 and clamps
Branch pipeline 1 and branch pipeline 23 cause to damage.
In another embodiment, it is provided at machine port 4, artery pot port 5 and venous chambers port 6 moveable
Thread cap, after docking, thread cap is pushed ahead, and is then screwed, and avoids the generation that junction disconnects problem.
The present invention is connected by main line 1 with branch pipeline 1, branch pipeline 23, can be by hemodialysis filter displacement liquid
Outlet is connect simultaneously with the venous chambers of patient end, artery pot three, sets moderate displacement liquid total amount, thus can be to avoid
In hemodiafiltration, the problem of nurse frequently replaces venous chambers port 5, artery pot port 6, both alleviated hemodialysis nurse's
Workload, in turn simplifies operating process, at the same can be to avoid due to exchanging port when, cause blood samples of patients drop to spill, pollution treatment
The generation of environmental problem, moreover it is possible to reduce hemodialysis patients blood loss；Closing device 8 by folder can be realized branch pipeline 1 and is in charge of
The blocking and conducting on road 23, it is easy to adjust.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention specially
Benefit.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from the spirit or scope of the invention patent.Cause
This, the invention patent is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (7)
1. a kind of for blood filtering, the displacement liquid injection pipe of hemodiafiltration characterized by comprising main line,
Branch pipeline one and branch pipeline two, described main line one end export phase by machine port and the saturating dialysis filtration machine displacement liquid of blood
Even, the other end is connected with the branch pipeline one, the branch pipeline two respectively, and the branch pipeline one passes through artery pot port and artery
Pot connection, the branch pipeline two are connect by venous chambers port with venous chambers.
2. it is according to claim 1 a kind of for blood filtering, the displacement liquid injection pipe of hemodiafiltration, it is special
Sign is that the main line and the branch pipeline one and the branch pipeline two form " Y " font structure.
3. it is according to claim 1 or 2 a kind of for blood filtering, the displacement liquid injection pipe of hemodiafiltration,
It is characterized in that, being provided with blood pump pump line on the main line.
4. it is according to claim 1 a kind of for blood filtering, the displacement liquid injection pipe of hemodiafiltration, it is special
Sign is, is provided with folder in the branch pipeline one and the branch pipeline two and closes device.
5. it is according to claim 1 a kind of for blood filtering, the displacement liquid injection pipe of hemodiafiltration, it is special
Sign is that it includes fixed part and clamping part that the folder, which closes device, and described fixed part one end is connected with the clamping part, and the other end is set
It is equipped with the fixture block with clamping part clamping, and the inner wall of the fixed part and the clamping part is symmetrically arranged with protrusion.
6. it is according to claim 5 a kind of for blood filtering, the displacement liquid injection pipe of hemodiafiltration, it is special
Sign is, the through-hole for interting the branch pipeline one or the branch pipeline two is offered on the fixed part.
7. it is according to claim 5 or 6 a kind of for blood filtering, the displacement liquid injection pipe of hemodiafiltration,
It is characterized in that, the protrusion of the fixed part is set at the opposite position of the protrusion of the clamping part using arc-shaped structure
Meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910075560.6A CN109621051A (en) | 2019-01-25 | 2019-01-25 | It is a kind of for blood filtering, the displacement liquid injection pipe of hemodiafiltration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910075560.6A CN109621051A (en) | 2019-01-25 | 2019-01-25 | It is a kind of for blood filtering, the displacement liquid injection pipe of hemodiafiltration |
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| Publication Number | Publication Date |
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| CN109621051A true CN109621051A (en) | 2019-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910075560.6A Pending CN109621051A (en) | 2019-01-25 | 2019-01-25 | It is a kind of for blood filtering, the displacement liquid injection pipe of hemodiafiltration |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050131331A1 (en) * | 2003-12-16 | 2005-06-16 | Kelly Thomas D. | Medical fluid therapy flow control systems and methods |
| CN104474632A (en) * | 2014-11-30 | 2015-04-01 | 李军安 | Vessel clamp with improved structure |
-
2019
- 2019-01-25 CN CN201910075560.6A patent/CN109621051A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050131331A1 (en) * | 2003-12-16 | 2005-06-16 | Kelly Thomas D. | Medical fluid therapy flow control systems and methods |
| CN104474632A (en) * | 2014-11-30 | 2015-04-01 | 李军安 | Vessel clamp with improved structure |
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Application publication date: 20190416 |