CN106334449A - Dialysis water endotoxin filter - Google Patents
Dialysis water endotoxin filter Download PDFInfo
- Publication number
- CN106334449A CN106334449A CN201611025633.3A CN201611025633A CN106334449A CN 106334449 A CN106334449 A CN 106334449A CN 201611025633 A CN201611025633 A CN 201611025633A CN 106334449 A CN106334449 A CN 106334449A
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- water
- housing
- dialysis
- hollow fiber
- fiber ultrafiltration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
-
- 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
-
- 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
- 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
- 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
- A61M1/3627—Degassing devices; Buffer reservoirs; Drip chambers; Blood filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/18—Apparatus therefor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- 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
- A61M2202/0028—Special media to be introduced, removed or treated fluid entering a filter
-
- 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
- A61M2205/75—General characteristics of the apparatus with filters
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Urology & Nephrology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cardiology (AREA)
- Emergency Medicine (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- External Artificial Organs (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to the technical field of hematodialysis devices, discloses a dialysis water endotoxin filter and aims at overcoming the defect that existing dialysis water is possibly polluted before the dialysis water flows into a dialysis machine. The dialysis water endotoxin filter comprises a housing, wherein a first ultra-filter membrane tow and a second ultra-filter membrane tow which are mutually independent are arranged in the housing, an opening of the first ultra-filter membrane tow is fixed at the water inlet end of the housing through a sealing adhesive, an opening of the second ultra-filter membrane tow is fixed to the water outlet end of the housing through a sealing adhesive, an airtight space is formed inside the housing through sealing of the sealing adhesive at the two ends, a water inlet end cap and a water outlet end cap are installed at the water inlet end and the water outlet end of the housing respectively, the water inlet end cap and the water inlet end of the housing form a water inlet cavity, the water outlet end cap and the water outlet end of the housing form a water outlet cavity, and the water inlet end cap and the water outlet end cap are respectively provided with a water inlet connecting pipe and a water outlet connecting pipe. The dialysis water endotoxin filter is simple in structure, convenient to install and good in filtering effect, and the quality of dialysis water is guaranteed through a pre-filter of a dialysis machine.
Description
Technical field
The present invention relates to hemodialysis apparatus technical field, more particularly, to a kind of water for dialysis endotoxin filter.
Background technology
Hemodialysis, are mainly used in treating the diseases such as chronic renal failure, acute renal failure and drug intoxication, in clinic
On be widely applied.Hemodialysis are exactly to introduce patient blood and dialysis solution in dialyser in a reverse direction simultaneously,
Flow separately through dialyzer both sides, the solute of both sides and water carry out mass exchange as transmembrane movement under concentration and barometric gradient.Suffer from
Person passes through hemodialysis or hemodiafiltration, can be with the proper extension life-span, quality of making the life better.In blood dialysis,
Needs use dialysis machine, dialyser, dialysis solution, the related equipment such as dialysis pipeline.Wherein, dialysis solution passes through dialyser ultrafilter membrane
Carry out directly contact with blood samples of patients, dialysis machine needs the uninterrupted water for dialysis that sucks that dialysis solution is diluted.Dialysis solution institute
Containing antibacterial, the index such as endotoxin concerns patients with hemodialysis's curative effect or even life security.Therefore, ensure that the quality of water for dialysis becomes guarantor
One of key of barrier patient outcomes and life security.
In prior art, it is standby that the purification of water for dialysis mainly carries out centralized system using hemodialysis water processing system, so
Afterwards each dialysis machine is connected to by hydraulic pipeline.The hidden danger of this system is the pipeline between water treatment system and dialysis machine
Easily breed bacteria, and be not easy to sterilization and change.Therefore, even if water treatment system water outlet water quality reaches water for dialysis
Standard, after the pollution of hydraulic pipeline, arrival dialysis machine is still likely to result in antibacterial and endotoxin is exceeded, leads to patient to control
Therapeutic effect declines and even causes untoward reaction.
Content of the invention
The present invention is intended to provide a kind of water for dialysis endotoxin filter, structure is simple, easy for installation, good filtration effect,
It aims to solve the problem that the defect that existing water for dialysis is potentially contaminated before entering dialysis machine, is made by dialysis machine prefilter
Analysis water water quality is protected.
The technical scheme is that a kind of water for dialysis endotoxin filter, including housing, be provided with described housing
The first separate ultrafilter membrane tow and the second ultrafilter membrane tow, the opening of described first ultrafilter membrane tow passes through fluid sealant admittedly
It is scheduled on housing water inlet end, the opening of described second ultrafilter membrane tow is fixed on housing water side by fluid sealant, in described housing
Portion forms confined space by the sealing of two ends fluid sealant, and described housing water inlet end, housing water side are separately installed with water inlet end
Lid, water outlet end cap, described intake end cover forms intake antrum with housing water inlet end, and described water outlet end cap and housing water side are formed out
Water cavity, described intake end cover, water side cover and are respectively arranged with into water adapter, water outlet pipe.
Further, described first ultrafilter membrane tow and the second ultrafilter membrane tow all include many hollow fiber ultrafiltration membrane.
Further, described hollow fiber ultrafiltration membrane is u-shaped, and described hollow fiber ultrafiltration membrane two ends are fixed by fluid sealant
In housing same side, described hollow fiber ultrafiltration membrane opening is connected with intake antrum or water chamber.
Further, described hollow fiber ultrafiltration membrane array is placed in parallel, and described hollow fiber ultrafiltration membrane one end is passed through close
Sealing is fixed on shell end, and described hollow fiber ultrafiltration membrane is fixed on one end open and intake antrum or the water outlet of shell end
Chamber connects, described hollow fiber ultrafiltration membrane other end closing.
Further, 180 μm～250 μm of described hollow fiber ultrafiltration membrane internal diameter, 30 μm～60 μm of wall thickness, film surface micropore
Diameter 1nm～10nm, amounts to membrane area 1m2～5m2.
Further, described water inlet adapter, be provided with sealing joint circle on water outlet pipe periphery.
Further, described housing is the smooth cylindrical shell of inner surface.
Further, described housing cross-sectional is circular, oval or rounding rectangle.
Further, described intake end cover, water outlet end cap pass through ultra-sonic welded or gluing are fixedly connected with the casing.
The invention has the beneficial effects as follows:
1. before filter of the present invention is directly installed in dialysis machine water inlet end, it is to avoid the water pollution that long distance water transfer leads to
Problem；
2. the hollow fiber ultrafiltration membrane film surface apertures of filter of the present invention are in 1nm～10nm, can filter all antibacterials and
Most endotoxin molecules, ensure that after filtering, water quality reaches hemodialysis water supply standard；
3. filter of the present invention uses double filtration film to design, and water for dialysis is filtered twice, double filtration
Redundancy Design ensure that the reliability of filter effect；
4. filter of the present invention is compared compared to ultrapure hemodialysis water processing system on the market now, by water inlet
Adapter, water outlet pipe can easily filter be connected between water for dialysis water supply water route and dialysis machine, and water inlet is taken over, gone out
Water takes over the design of the sealing joint circle on periphery, makes to be completely embedded, it is to avoid the leakage of water for dialysis, easy for installation, greatly
Save cost of water treatment.
Brief description
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of another embodiment of the present invention；
In figure: 1. housing, 11. housing water inlet ends, 111. intake end covers, 1111. water inlet adapters, 12. housing water sides,
121. water outlet end caps, 1211. water outlet pipes, 2. the first ultrafilter membrane tow, the opening of 21. first ultrafilter membrane tow, 3. the second surpass
Filter membrane tow, the opening of 31. second ultrafilter membrane tow, 4. fluid sealant, 5. sealing joint circle.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with accompanying drawing, the present invention is entered
Row further describes.
Embodiment one:
As shown in figure 1, the invention provides a kind of water for dialysis endotoxin filter, including housing 1, arranging in housing 1
There are the first separate ultrafilter membrane tow 2 and the second ultrafilter membrane tow 3, the opening 21 of the first ultrafilter membrane tow passes through fluid sealant
4 are fixed on housing water inlet end 11, and the opening 31 of the second ultrafilter membrane tow is fixed on housing water side 12, housing 1 by fluid sealant 4
The internal sealing formation confined space by two ends fluid sealant 4, housing water inlet end 11, housing water side 12 are separately installed with into water
End cap 111, water outlet end cap 121, intake end cover 111 and housing water inlet end 11 form intake antrum, water outlet end cap 121 and housing water outlet
End 12 formation water chamber, intake end cover 111, water outlet end cap 121 are respectively arranged with into water adapter 1111, water outlet pipe 1211.
First ultrafilter membrane tow 2 and the second ultrafilter membrane tow 3 all include many hollow fiber ultrafiltration membrane.Hollow Fiber Ultrafiltration
Film is u-shaped, and hollow fiber ultrafiltration membrane two ends are fixed on housing 1 same side by fluid sealant 4, hollow fiber ultrafiltration membrane opening with enter
Water cavity or water chamber connection.180 μm～250 μm of hollow fiber ultrafiltration membrane internal diameter, 30 μm～60 μm of wall thickness, film surface micropore is straight
Footpath 1nm～10nm, amounts to membrane area 1m2～5m2.Water inlet adapter 1111, water outlet pipe 1211 are provided with sealing joint circle on periphery
5.Housing 1 is the smooth cylindrical shell of inner surface.Housing 1 cross section is circular, oval or rounding rectangle.Intake end cover
111st, water outlet end cap 121 is passed through ultra-sonic welded or gluing is fixedly connected with housing 1.
Embodiment two:
As shown in Fig. 2 the invention provides a kind of water for dialysis endotoxin filter, including housing 1, arranging in housing 1
There are the first separate ultrafilter membrane tow 2 and the second ultrafilter membrane tow 3, the opening 21 of the first ultrafilter membrane tow passes through fluid sealant
4 are fixed on housing water inlet end 11, and the opening 31 of the second ultrafilter membrane tow is fixed on housing water side 12, housing 1 by fluid sealant 4
The internal sealing formation confined space by two ends fluid sealant 4, housing water inlet end 11, housing water side 12 are separately installed with into water
End cap 111, water outlet end cap 121, intake end cover 111 and housing water inlet end 11 form intake antrum, water outlet end cap 121 and housing water outlet
End 12 formation water chamber, intake end cover 111, water outlet end cap 121 are respectively arranged with into water adapter 1111, water outlet pipe 1211.
First ultrafilter membrane tow 2 and the second ultrafilter membrane tow 3 all include many hollow fiber ultrafiltration membrane.The hollow of u-shaped is fine
Dimension ultrafilter membrane makes array into and is placed in parallel, and hollow fiber ultrafiltration membrane one end is fixed on housing 1 end by fluid sealant 4, and hollow is fine
The one end open that dimension ultrafilter membrane is fixed on housing 1 end is connected with intake antrum or water chamber, the hollow fiber ultrafiltration membrane other end
Closing.
During use, filter of the present invention is connected to water for dialysis and supplies water by adapter 1111 of intaking, water outlet pipe 1211
Between water route and dialysis machine, water for dialysis passes through adapter 1111 entrance intake antrum of intaking, and then passes through the first ultrafilter membrane tow
Opening 21 enters in the first ultrafilter membrane tow 2, and in the presence of water delivery hydraulic pressure, water for dialysis oozed the first ultrafilter membrane tow 2 film
Wall is entered in housing 1 it is impossible to be intercepted in the first ultrafilter membrane tow 2 by the antibacterial and endotoxin of nanoscale ultrafiltration micropore；
In the presence of water delivery hydraulic pressure, water for dialysis oozed the second ultrafilter membrane tow 3 membranous wall and entered the second ultrafilter membrane tow 3 from housing 1
Interior, the second ultrafilter membrane tow 3 carries out second filtration to water for dialysis, improves the effect of filtration it is ensured that filters is complete；
Water for dialysis enters water chamber from the opening 31 of the second ultrafilter membrane tow, then exits into dialysis machine by water outlet pipe 1211
Participate in treatment.
Before filter of the present invention is directly installed in dialysis machine water inlet end, it is to avoid the water pollution that long distance water transfer leads to is asked
Topic；The hollow fiber ultrafiltration membrane film surface apertures of filter, in 1nm～10nm, can filter all antibacterials and most endotoxin
Molecule, ensures that after filtering, water quality reaches hemodialysis water supply standard；Filter uses double filtration film to design, and water for dialysis is entered
Go and filtered twice, the Redundancy Design of double filtration ensure that the reliability of filter effect；Filter is compared to now on the market
Ultrapure hemodialysis water processing system compare, by intake adapter 1111, water outlet pipe 1211 can easily will filter
Device is connected between water for dialysis water supply water route and dialysis machine, and the interface in water inlet adapter 1111, water outlet pipe 1211 periphery is close
The design of seal 5, make to be completely embedded, it is to avoid the leakage of water for dialysis, easy for installation, has greatly saved cost of water treatment.Solution
The defect that certainly existing water for dialysis is potentially contaminated before entering dialysis machine, makes water for dialysis water by dialysis machine prefilter
Matter is protected.
Certainly, the present invention also can have other various embodiments, in the case of without departing substantially from present invention spirit and its essence, ripe
Know those skilled in the art to make various corresponding changes according to the present invention and deform, but these corresponding changes and deformation
The protection domain of appended claims of the invention all should be belonged to.
Claims (9)
1. a kind of water for dialysis endotoxin filter it is characterised in that: include housing, be provided with separate in described housing
First ultrafilter membrane tow and the second ultrafilter membrane tow, the opening of described first ultrafilter membrane tow is fixed on housing by fluid sealant and enters
Water end (W.E.), the opening of described second ultrafilter membrane tow is fixed on housing water side by fluid sealant, and described enclosure interior passes through two ends
The sealing of fluid sealant forms confined space, and described housing water inlet end, housing water side are separately installed with intake end cover, water side
Lid, described intake end cover and housing water inlet end form intake antrum, and described water outlet end cap and housing water side form water chamber, described
Intake end cover, water side cover and are respectively arranged with into water adapter, water outlet pipe.
2. water for dialysis endotoxin filter according to claim 1 it is characterised in that: described first ultrafilter membrane tow and
Second ultrafilter membrane tow all includes many hollow fiber ultrafiltration membrane.
3. water for dialysis endotoxin filter according to claim 2 it is characterised in that: described hollow fiber ultrafiltration membrane is
U-shaped, described hollow fiber ultrafiltration membrane two ends are fixed on housing same side by fluid sealant, described hollow fiber ultrafiltration membrane opening with
Intake antrum or water chamber connection.
4. water for dialysis endotoxin filter according to claim 2 it is characterised in that: described hollow fiber ultrafiltration membrane is straight
Row are placed in parallel, and described hollow fiber ultrafiltration membrane one end is fixed on shell end by fluid sealant, described hollow fiber ultrafiltration membrane
The one end open being fixed on shell end is connected with intake antrum or water chamber, described hollow fiber ultrafiltration membrane other end closing.
5. water for dialysis endotoxin filter according to claim 2 it is characterised in that: in described hollow fiber ultrafiltration membrane
180 μm～250 μm of footpath, 30 μm～60 μm of wall thickness, film surface micropore diameter 1nm～10nm, amount to membrane area 1m2～5m2.
6. water for dialysis endotoxin filter according to claim 1 it is characterised in that: described water inlet adapter, water outlet connects
Sealing joint circle is provided with pipe periphery.
7. water for dialysis endotoxin filter according to claim 1 it is characterised in that: described housing be inner surface smooth
Cylindrical shell.
8. water for dialysis endotoxin filter according to claim 1 it is characterised in that: described housing cross-sectional be circle
The rectangle of shape, ellipse or rounding.
9. water for dialysis endotoxin filter according to claim 1 it is characterised in that: described intake end cover, water side
Lid by ultra-sonic welded or gluing is fixedly connected with the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611025633.3A CN106334449A (en) | 2016-11-21 | 2016-11-21 | Dialysis water endotoxin filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611025633.3A CN106334449A (en) | 2016-11-21 | 2016-11-21 | Dialysis water endotoxin filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106334449A true CN106334449A (en) | 2017-01-18 |
Family
ID=57841504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611025633.3A Pending CN106334449A (en) | 2016-11-21 | 2016-11-21 | Dialysis water endotoxin filter |
Country Status (1)
| Country | Link |
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| CN (1) | CN106334449A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112370972A (en) * | 2020-10-30 | 2021-02-19 | 杭州欧亚流体技术开发有限公司 | Preparation method of device for removing bacterial endotoxin |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5389885A (en) * | 1977-01-18 | 1978-08-08 | Asahi Chem Ind Co Ltd | Treating apparatus for fluid |
| JPH07241561A (en) * | 1994-03-04 | 1995-09-19 | Nissho Corp | Endotoxin removing device |
| CN101374774A (en) * | 2005-11-03 | 2009-02-25 | 尼弗茹斯公司 | Redundant ultrafiltration devices |
| CN204125267U (en) * | 2014-10-08 | 2015-01-28 | 泉州万利得节能科技有限公司 | One multimembrane composite filter element |
| CN206184269U (en) * | 2016-11-21 | 2017-05-24 | 成都关怀科技有限公司 | Dialysis water endotoxin filter |
-
2016
- 2016-11-21 CN CN201611025633.3A patent/CN106334449A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5389885A (en) * | 1977-01-18 | 1978-08-08 | Asahi Chem Ind Co Ltd | Treating apparatus for fluid |
| JPH07241561A (en) * | 1994-03-04 | 1995-09-19 | Nissho Corp | Endotoxin removing device |
| CN101374774A (en) * | 2005-11-03 | 2009-02-25 | 尼弗茹斯公司 | Redundant ultrafiltration devices |
| CN204125267U (en) * | 2014-10-08 | 2015-01-28 | 泉州万利得节能科技有限公司 | One multimembrane composite filter element |
| CN206184269U (en) * | 2016-11-21 | 2017-05-24 | 成都关怀科技有限公司 | Dialysis water endotoxin filter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112370972A (en) * | 2020-10-30 | 2021-02-19 | 杭州欧亚流体技术开发有限公司 | Preparation method of device for removing bacterial endotoxin |
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| C06 | Publication | ||
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210728 Address after: 215000 building 18, No. 333, guanpu Road, Guoxiang street, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province Applicant after: JIANGSU GUANHUAI MEDICAL TECHNOLOGY Co.,Ltd. Address before: 610041 No. 1, 6 floor, No. 1, Tianfu Avenue, 1388 middle and high tech Zone, Chengdu, Sichuan. Applicant before: CHENGDU GUANHUAI TECHNOLOGY Co.,Ltd. |
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Application publication date: 20170118 |