CN203829385U - Hemodialyzer and hemodialysis device - Google Patents
Hemodialyzer and hemodialysis device Download PDFInfo
- Publication number
- CN203829385U CN203829385U CN201420104605.0U CN201420104605U CN203829385U CN 203829385 U CN203829385 U CN 203829385U CN 201420104605 U CN201420104605 U CN 201420104605U CN 203829385 U CN203829385 U CN 203829385U
- Authority
- CN
- China
- Prior art keywords
- dialysis solution
- hemodialyzer
- water conservancy
- conservancy diversion
- annular water
- 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.)
- Expired - Lifetime
Links
- 238000001631 haemodialysis Methods 0.000 title claims abstract description 12
- 230000000322 hemodialysis Effects 0.000 title abstract description 5
- 239000000835 fiber Substances 0.000 claims abstract description 50
- 239000008280 blood Substances 0.000 claims abstract description 19
- 210000004369 blood Anatomy 0.000 claims abstract description 19
- 238000004806 packaging method and process Methods 0.000 claims abstract description 10
- 239000000385 dialysis solution Substances 0.000 claims description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 235000012489 doughnuts Nutrition 0.000 claims description 15
- 239000004033 plastic Substances 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 9
- 230000010287 polarization Effects 0.000 abstract description 6
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 239000012510 hollow fiber Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000004695 Polyether sulfone Substances 0.000 description 2
- 238000000502 dialysis Methods 0.000 description 2
- 229920006393 polyether sulfone Polymers 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- -1 end cap Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 208000017169 kidney disease Diseases 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920005649 polyetherethersulfone Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Abstract
The utility model provides a hemodialyzer and a hemodialysis device. The hemodialyzer comprises an outer shell, a fiber bundle composed of hollow fiber filament tubes, an end cover, packaging adhesive, an annular flow guiding and distributing ring, a dialyzate inlet, a dialyzate outlet, a blood inlet and a blood outlet. The annular flow guiding and distributing ring is located at the position over against the dialyzate inlet and/or the dialyzate outlet, one end of the annular flow guiding and distributing ring is connected with the tail end of the outer shell, and the other end of the annular flow guiding and distributing ring inclines toward the dialyzate inlet and/or the dialyzate outlet which the annular flow guiding and distributing ring is over against in the longitudinal direction of the outer shell. The utility model further provides a hemodialysis device comprising the hemodialyzer. The annular flow guiding and distributing ring with a certain inclination angle is arranged in a dialyzate channel in the side face of the outer shell of the hemodialyzer, so that the concentration polarization phenomenon is reduced substantially, the contact area between dialyzate and the surfaces of the fiber filament tubes and the removal rate are effectively increased, and the filament break rate of the fiber filament tubes is reduced.
Description
Technical field
This utility model belongs to technical field of medical instruments, is specifically related to a kind of hemodialyzer and haemodialysis equipment.
Background technology
Hemodialyzer is mainly used in carrying out hemodialysis and blood filtration in the time of kidney diseases.The structure of existing hemodialyzer mainly comprises: shell, the fibre bundle being formed by fiber fiber tube, packaging plastic, end cap, dialysis solution entrance, dialysis solution outlet, blood entrance, blood outlet and be positioned at the blocking solution plate at dialysis solution entrance and exit place, wherein fibre bundle packs in shell, dialysis solution entrance and blood outlet are positioned at one end of shell, and dialysis solution outlet and blood entrance are positioned at the other end of shell, fibre bundle two ends seal with packaging plastic, blocking solution plate lays respectively at shell two and rectifies dialysis solution entrance and dialysis solution exit and parallel with shell, fibre bundle is caused to damage when preventing that dialysis solution from directly entering dialysate chamber.
While using above-mentioned hemodialyzer to carry out hemodialysis, be prone to concentration polarization phenomenon, the contact area of dialysis solution and cellosilk tube-surface is less, and clearance is lower, and fiber fiber tube wire broken rate is higher.
Utility model content
For the problems referred to above, an object of the present utility model is to provide a kind of hemodialyzer, this hemodialyzer arranges the annular water conservancy diversion distribution rings with certain angle of inclination in the dialysis solution path of the side of shell, significantly reduce concentration polarization phenomenon, effectively improve contact area and the clearance of dialysis solution and cellosilk tube-surface, and reduced fiber fiber tube wire broken rate.
Another object of the present utility model is to provide a kind of haemodialysis equipment.
For achieving the above object, this utility model provides a kind of hemodialyzer, comprise: shell, the fibre bundle being made up of doughnut fiber tube, end cap, packaging plastic, annular water conservancy diversion distribution rings, dialysis solution entrance, dialysis solution outlet, blood entrance and blood export, described annular water conservancy diversion distribution rings is positioned at the just position to described dialysis solution entrance and/or dialysis solution outlet, one end of described annular water conservancy diversion distribution rings is connected with the end of described shell, and the other end of described annular water conservancy diversion distribution rings is towards tilting with its just right dialysis solution entrance or dialysis solution Way out.
Preferably, described annular water conservancy diversion distribution rings is 2-6 ° with respect to the angle of the fore-and-aft tilt of described shell.
Preferably, described annular water conservancy diversion distribution rings is 4 ° with respect to the angle of the fore-and-aft tilt of described shell.
Preferably, the diameter of described annular water conservancy diversion distribution rings is 53-55mm.
Preferably, the diameter of described annular water conservancy diversion distribution rings is 54mm.
Preferably, the width of described annular water conservancy diversion distribution rings is less than the dialysis solution entrance just right with it or dialysis solution exports along the longitudinal width of shell.
Preferably, the width of described annular water conservancy diversion distribution rings is 7-9mm.
Preferably, the width of described annular water conservancy diversion distribution rings is 8mm.
This utility model further provides the haemodialysis equipment that comprises above-mentioned hemodialyzer.
Compared with prior art, hemodialyzer of the present utility model has the following advantages:
One, compared with being provided with the hemodialyzer of blocking solution plate (parallel with shell), this utility model by arranging the annular water conservancy diversion distribution rings with certain angle of inclination in the dialysis solution path of the side of hemodialyzer, dialysis solution in dialysis procedure is flowed along the tangential direction of hollow fibre filament tube outer surface, significantly reduce concentration polarization phenomenon, effectively improve the contact area of dialysis solution and cellosilk tube-surface, can reach the effect of dialysis solution turbulent flow simultaneously, expand disperse effect, improve clearance;
Two, compared with being provided with the hemodialyzer of blocking solution plate (parallel with shell), hemodialyzer of the present utility model causes damage by arranging when annular water conservancy diversion distribution rings is more conducive to prevent that dialysis solution from directly entering dialysate chamber to fibre bundle, reduces fiber fiber tube wire broken rate.
Brief description of the drawings
Below, describe by reference to the accompanying drawings embodiment of the present utility model in detail, wherein:
Fig. 1 is part outward appearance and the profile of hemodialyzer of the present utility model, wherein shows the profile of hemodialyzer at dialysis solution entrance side;
Fig. 2 is the profile of hemodialyzer of the present utility model;
Fig. 3 is the top view of hemodialyzer of the present utility model at dialysis solution entrance side;
Fig. 4 is the amplification profile of hemodialyzer of the present utility model at dialysis solution entrance side;
Fig. 5 is hemodialyzer of the present utility model in the dialysis fluid flow of dialysis solution intake section to top view;
Fig. 6 is the dialysis solution flow graph of hemodialyzer of the present utility model at dialysis solution intake section.
Description of reference numerals
1 shell
2 doughnut fiber tubes
3 dialysis solution outlets
6 end caps
7 packaging plastics
8 annular water conservancy diversion distribution rings
The dialysis solution runner of 9 shells
10 dialysis solution entrances
11 blood outlets
12 blood entrances
Detailed description of the invention
Referring to specific embodiment, this utility model is described.It will be appreciated by those skilled in the art that these embodiment are only for illustrating this utility model, it limits scope of the present utility model never in any form.
Shown in Fig. 4, fibre bundle, end cap 6, packaging plastic 7, annular water conservancy diversion distribution rings 8, dialysis solution entrance 10, dialysis solution outlet 3, blood entrance 12 and blood outlet 11 that the hemodialyzer that this utility model provides comprises shell 1, is made up of doughnut fiber tube 2.Wherein, fibre bundle is filled in shell 1, dialysis solution entrance 10 and blood outlet 11 are positioned at one end of shell 1, and dialysis solution outlet 3 and blood entrance 12 are positioned at the other end of shell 1, the edge of end cap 6 is fixed at fibre bundle two ends by packaging plastic 7, end cap 6 is positioned at the two ends of shell 1, makes the inner blood access that forms sealing of doughnut fiber tube 2 of fibre bundle, and doughnut fiber tube 2 is outside forms dialysis solution path with shell 1.
Annular water conservancy diversion distribution rings 8 (as shown in Figure 3) in the form of a ring, in the dialysis solution path of the side of hemodialyzer, and be positioned at the just position to dialysis solution entrance 10 and/or dialysis solution outlet 3, one end of described annular water conservancy diversion distribution rings 8 is connected with the end of shell 1, the other end of annular water conservancy diversion distribution rings 8 longitudinally tilts towards exporting 3 directions with its just right dialysis solution entrance 10 or dialysis solution along shell 1, and annular water conservancy diversion distribution rings 8 is with respect to shell 1 inclination certain angle α (as shown in Figure 6).Hemodialyzer of the present utility model arranges after annular water conservancy diversion distribution rings 8, the flow direction of dialysis solution as shown in Figures 5 and 6, dialysis solution enters after dialysis solution entrance 10, dialysis solution touches after annular water conservancy diversion distribution rings 8, and the region between annular water conservancy diversion distribution rings 8 and dialysis solution runner 9 is full of after dialysis solution, then dialysis solution flows to the direction of fluid sealant 7 along the direction of annular water conservancy diversion distribution rings 8, thereby dialysis solution is contacted with doughnut fiber tube 2 at a certain angle, and flows to dialysis solution and export 3 directions.So design, can in dialysis procedure, guide dialysis solution to flow along doughnut fiber tube 2 outer surface tangential directions, thereby significantly reduce concentration polarization phenomenon, effectively improve the contact area of dialysis solution and hollow fibre filament tube-surface, can reach the effect of dialysis solution turbulent flow, expand disperse effect, improve clearance simultaneously, and be conducive to prevent when dialysis solution from directly entering dialysate chamber fibre bundle is caused to damage, reduce fiber fiber tube wire broken rate.
In hemodialyzer of the present utility model, the angle [alpha] that annular water conservancy diversion distribution rings 8 tilts with respect to shell 1 is 2-6 °, preferably 4 °.If inclination angle is excessive, will cause dialysis solution smooth and easyly not distribute, increase the resistance of dialysis solution, cause local current disorder in dialysis solution import; If inclination angle is too small, do not reach and significantly reduce concentration polarization phenomenon, improve contact area and the clearance of dialysis solution and cellosilk tube-surface, and reduce the effect of fiber fiber tube wire broken rate.
Preferably, the diameter of annular water conservancy diversion distribution rings 8 is 53-55mm, preferably 54mm; Width is 7-9mm, preferably 8mm;
Preferably, the width of described annular water conservancy diversion distribution rings 8 is less than the outlet 3 of the dialysis solution entrance 10 just right with it or dialysis solution along the longitudinal width of shell 1.
Doughnut fiber tube 2 can select any material that is applicable to the fiber fiber tube of making hemodialyzer in prior art to make, and includes but not limited to the materials such as polysulfones, polyether sulfone or cellulose, preferably adopts polyether sulfone or ether sulfone.
In hemodialyzer of the present utility model, the internal diameter of doughnut fiber tube 2 is 150-400 μ m, and thickness is 15-60 μ m, and the inwall of doughnut fiber tube 2 has the micropore of 1-5nm.The fibre bundle of shell 1 interior filling accounts for the 55%-85% of hemodialyzer cumulative volume, in addition also can be according to the size of practical application housing 1, select the packed density of fibre bundle, the area of optimum fiber bundle is 0.8-3.0 square metre, the blood chamber volume being formed by doughnut fiber tube 2 is 30-120ml, the preferred 12000-35000 root of quantity of the doughnut fiber tube 2 of shell 1 interior filling, the preferred 300mm of length of doughnut fiber tube 2, in fibre bundle, the total surface area of all doughnut fiber tubes 2 is 0.6-4.0 square metre.
Packaging plastic 7 can be material conventional in prior art, includes but not limited to polyurethane or poly-imido resin, optimization polyurethane resin, and the thickness of packaging plastic 7 is 5-20mm.
The shape of shell 1 can be the shape of this area routine, this utility model preferably drum shape, the preferred 30-48mm of internal diameter of cylinder-like shell.In addition, the size of shell can be determined according to practical situation.
This utility model further provides a kind of haemodialysis equipment that comprises above-mentioned hemodialyzer, and this haemodialysis equipment can adopt the conventional material in this area and method to make.
Above the description of this utility model detailed description of the invention is not limited to this utility model, those skilled in the art can make various changes or distortion according to this utility model, only otherwise depart from spirit of the present utility model, all should belong to the scope of this utility model claims.
Claims (9)
1. a hemodialyzer, comprise: shell, the fibre bundle being made up of doughnut fiber tube, end cap, packaging plastic, annular water conservancy diversion distribution rings, dialysis solution entrance, dialysis solution outlet, blood entrance and blood export, it is characterized in that, described annular water conservancy diversion distribution rings is positioned at the just position to described dialysis solution entrance and/or dialysis solution outlet, one end of described annular water conservancy diversion distribution rings is connected with the end of described shell, and the other end of described annular water conservancy diversion distribution rings is towards tilting with its just right dialysis solution entrance or dialysis solution Way out.
2. hemodialyzer according to claim 1, is characterized in that, described annular water conservancy diversion distribution rings is 2-6 ° with respect to the angle of the fore-and-aft tilt of described shell.
3. hemodialyzer according to claim 2, is characterized in that, described annular water conservancy diversion distribution rings is 4 ° with respect to the angle of the fore-and-aft tilt of described shell.
4. hemodialyzer according to claim 1, is characterized in that, the diameter of described annular water conservancy diversion distribution rings is 53-55mm.
5. hemodialyzer according to claim 4, is characterized in that, the diameter of described annular water conservancy diversion distribution rings is 54mm.
6. hemodialyzer according to claim 1, is characterized in that, the width of described annular water conservancy diversion distribution rings is less than the dialysis solution entrance just right with it or dialysis solution exports along the longitudinal width of shell.
7. hemodialyzer according to claim 1, is characterized in that, the width of described annular water conservancy diversion distribution rings is 7-9mm.
8. hemodialyzer according to claim 7, is characterized in that, the width of described annular water conservancy diversion distribution rings is 8mm.
9. a haemodialysis equipment, it comprises the hemodialyzer described in any one in claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420104605.0U CN203829385U (en) | 2014-03-10 | 2014-03-10 | Hemodialyzer and hemodialysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420104605.0U CN203829385U (en) | 2014-03-10 | 2014-03-10 | Hemodialyzer and hemodialysis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203829385U true CN203829385U (en) | 2014-09-17 |
Family
ID=51507282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420104605.0U Expired - Lifetime CN203829385U (en) | 2014-03-10 | 2014-03-10 | Hemodialyzer and hemodialysis device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203829385U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110575579A (en) * | 2019-09-23 | 2019-12-17 | 中国科学技术大学 | Dialysis-enhanced hemodialyzer capable of improving blood flow |
-
2014
- 2014-03-10 CN CN201420104605.0U patent/CN203829385U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110575579A (en) * | 2019-09-23 | 2019-12-17 | 中国科学技术大学 | Dialysis-enhanced hemodialyzer capable of improving blood flow |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102512723B (en) | Self-exhaust and bubble-proof transfusion apparatus | |
| CN107913605A (en) | Capillary dialyzer | |
| CN104226116B (en) | A kind of membrane contactor and manufacturing process thereof | |
| CN203829385U (en) | Hemodialyzer and hemodialysis device | |
| CN103877634A (en) | Hemodialyzer and hematodialysis device | |
| CN105813666B (en) | Partially radial heat exchanger and oxygenator | |
| CN208301912U (en) | Haemodialyser and haemodialysis equipment | |
| CN209645531U (en) | A kind of dialyzer promoting dialyzate displacement efficiency | |
| CN206228611U (en) | Liquid translator | |
| JP2006255261A (en) | Blood treatment equipment | |
| CN204890747U (en) | Hemodialysis machine | |
| CN201969096U (en) | PES hollow cored fibre hemodialyzer | |
| TWM470675U (en) | A dialyser having a blood runner with low impact area | |
| CN208864911U (en) | A kind of novel aseptic haemodialyser | |
| CN206822888U (en) | A kind of blood dialysis solution bucket | |
| CN213312261U (en) | Dialyzer | |
| CN209173057U (en) | A kind of hemodialysis element | |
| CN205698686U (en) | A kind of transfusion device with only liquid function | |
| CN215652975U (en) | Hemodialyzer with spiral support | |
| CN210904331U (en) | Hemodialyzer for high-flux hemodialysis | |
| CN211835568U (en) | Hemodialysis water film drip dialyzer switch | |
| CN202288996U (en) | Hollow fiber hemodialyzer | |
| CN215460732U (en) | Hollow fiber hemodialyzer | |
| CN202146718U (en) | Ultra-filtration membrane component | |
| CN204723484U (en) | Central venous catheter cap |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170623 Address after: 527300 industrial transfer industrial park, Foshan, Yunfu, yuncheng county, Yunfu City, Guangdong Province Patentee after: Guangdong ace Medical Technology Co.,Ltd. Address before: 051330 Industrial Street, two industrial zone, Gaoyi County, Hebei, Shijiazhuang Patentee before: SHIJIAZHUANG DAAI MEDICAL EQUIPMENT TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |