CN209137542U - A kind of blood filter - Google Patents
A kind of blood filter Download PDFInfo
- Publication number
- CN209137542U CN209137542U CN201821027826.7U CN201821027826U CN209137542U CN 209137542 U CN209137542 U CN 209137542U CN 201821027826 U CN201821027826 U CN 201821027826U CN 209137542 U CN209137542 U CN 209137542U
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- filtering module
- blood
- blood filter
- branch pipe
- porosity
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Abstract
The utility model provides a kind of blood filter, the porosity of first filtering module and the second filtering module is arranged to difference by the blood filter, wherein it is greater than the porosity of the second filtering module close to vein end close to the porosity of the first filtering module of arterial end, such blood filter can realize reversed pre- punching and positive treatment, not only adsorbent can be effectively prevented to enter circulation bloody path, and the particle in blood can be effectively prevented to enter circulation bloody path, blood is avoided to pollute, improve therapeutic effect, be conducive to the bubble inside discharge filter simultaneously, improve safety when patient's treatment.The setting of the second branch pipe in the blood filter can complete blood filter with the combined therapy of other treatment modes in the case where not detaching pipelines, patient can be caused to infect because channel interior is contacted with external environment to avoid therapeutic process, and whole process only needs one man operation, saves manpower.
Description
Technical field
The utility model belongs to the field of medical instrument technology, and in particular to a kind of blood filter.
Background technique
Nowadays, vivotoxin, the reality of haemodialysis is discharged in the mode of a large amount of uremic patient selection haemodialysis
It is more and more that number is implemented on border.Hemodialysis patients will be about weekly using 300-400L dialyzate, wherein the overwhelming majority is
Water is used in analysis.Small-molecule substance in water for dialysis can be entered blood area by semi-permeable membrane, so that it is in the recent period and remote to cause hemodialysis patients
The complication of phase.
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.But existing blood filter has the problems such as structure is complicated, and operating process is cumbersome, and filter efficiency is low.
Utility model content
In order to improve the deficiencies in the prior art, the purpose of the utility model is to provide a kind of blood filter, the blood
Filtering includes vein end, arterial end, the first branch pipe, the second branch pipe, the first filtering module and the second filtering module；
The vein end is arranged below, and the arterial end is disposed over；
The arterial end passes through the first branch pipe with vein end respectively and the second branch pipe is connected to；
The first filtering module and the second filtering module are set gradually on first branch pipe, are filled out in first filtering module
The spherical activated charcoal particle that median particle diameter is 0.65-0.8mm is filled, for realizing filtering for the first time, in second filtering module
The spherical activated charcoal particle that median particle diameter is 0.5-0.65mm is filled, is filtered for realizing second；
Three-way connection is set on second branch pipe, is used for other external devices.
According to the utility model, the quantity of first filtering module is one or more, if it is multiple when, described first
Filtering module serial or parallel connection uses, preferably used in parallel.
According to the utility model, the quantity of second filtering module is one or more, if it is multiple when, described second
Filtering module serial or parallel connection uses, preferably used in parallel.
According to the utility model, baffle plate is set, for increasing blood in the first filter module in first filtering module
The purpose of filtering is better achieved in flow distance in block.
According to the utility model, baffle plate is set, for increasing blood in the second filter module in second filtering module
The purpose of filtering is better achieved in flow distance in block.
According to the utility model, the baffle plate is one or more of disc, circular ring shape, crescent or arch.
According to the utility model, the caliber of the vein end is greater than the caliber of the arterial end.
According to the utility model, Microporous resin is also filled up in first filtering module.
According to the utility model, neutral aperture resin is also filled up in second filtering module.
According to the utility model, the porosity of first filtering module is greater than the porosity of second filtering module.
According to the utility model, the porosity of first filtering module is 20-40%；The hole of second filtering module
Gap rate is 15-25%.
As example, the spherical activated charcoal is commercially available from Taiyuan Cuihong Science & Technology Co., Ltd., Bu Luche Limited Liability
The product of company (BLUECHER GMBH) or Wu Yu Co., Ltd. (KUREHA), or according to its patent application such as
200880008357.7 prepared by method disclosed in number Chinese patent application.
According to the utility model, when described device for rushing in advance, the vein end is quiet with human body as fluid input port
Pulse-phase connects, and the arterial end is used as fluid output port, bubble that can effectively inside remover, prevents into intravascular
Portion.
According to the utility model, when described device is for when treating, the vein end to be quiet with human body as fluid output port
Pulse-phase connects, and the arterial end is connected as fluid input port with human body artery, and the hemodynamic generated by blood pressure and blood pump
Make blood introduce pass filter to carry out continuing filtration.
According to the utility model, it is also removably disposed branch pipe clamp on second branch pipe, for controlling the unlatching of branch pipe
With closing.
The utility model has the beneficial effects that
The utility model provides a kind of blood filter, and the blood filter filters the first filtering module and second
The porosity of module is arranged to difference, wherein the porosity close to the first filtering module of arterial end is greater than the close to vein end
The porosity of two filtering modules, such blood filter can realize reversed pre- punching and positive treatment, not only can effectively prevent
Adsorbent enters circulation bloody path, and can effectively prevent the particle in blood from entering circulation bloody path, and blood is avoided to pollute, and improves
Therapeutic effect, while being conducive to the bubble inside discharge filter, improve safety when patient's treatment.
The setting of the second branch pipe in the blood filter can complete blood filtration in the case where not detaching pipelines
Device can cause patient because of channel interior and external environment contact due to avoid therapeutic process with the combined therapy of other treatment modes
Infection, and whole process only needs one man operation, saves manpower.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of device described in the utility model.
Specific embodiment
Further detailed description is done below in conjunction with preparation method of the specific embodiment to the utility model.It should manage
Solution, the following example is merely illustrative ground description and interpretation the utility model, and is not necessarily to be construed as protecting the utility model
The limitation of range.All technologies realized based on the utility model above content are encompassed by the model that the utility model is intended to protect
In enclosing.
Experimental method used in following embodiments is conventional method unless otherwise specified；Institute in following embodiments
Reagent, material etc., are commercially available unless otherwise specified.
In the description of the present invention, it should be noted that term " first ", " second " etc. are used for description purposes only,
And relative importance is not indicated that or implies.
Embodiment 1
As shown in Figure 1, a kind of blood filter, the blood filtration includes vein end 1, arterial end 2, the first branch pipe 3,
Two branch pipes 4, the first filtering module 5 and the second filtering module 6；
The vein end 1 is arranged below, and the arterial end 2 is disposed over；
The arterial end 2 is connected to by the first branch pipe 3 with the second branch pipe 4 respectively with vein end 1；
The first filtering module 5 and the second filtering module 6, first filtering module 5 are set gradually on first branch pipe 3
The spherical activated charcoal particle that interior filling median particle diameter is 0.65-0.8mm, for realizing filtering for the first time, second filter module
The spherical activated charcoal particle that filling median particle diameter is 0.5-0.65mm in block 6, is filtered for realizing second；
Three-way connection 7 is set on second branch pipe 4, is used for other external devices.
The quantity of first filtering module is one or more, if it is multiple when, first filtering module series connection or
It is used in parallel, it is preferably used in parallel.The quantity of second filtering module is one or more, if it is multiple when, described the
Two filtering module serial or parallel connections use, preferably used in parallel.
Disc baffle plate 8 is set in first filtering module, for increasing stream of the blood in the first filtering module
Dynamic distance, is better achieved the purpose of filtering.Disc baffle plate 8 is set in second filtering module, for increasing blood
The purpose of filtering is better achieved in flow distance in the second filtering module.
The caliber of the vein end is greater than the caliber of the arterial end.
Microporous resin is also filled up in first filtering module.Neutral aperture is also filled up in second filtering module
Resin.
The porosity of first filtering module is greater than the porosity of second filtering module.Illustratively, described
The porosity of one filtering module is 20-40%；The porosity of second filtering module is 15-25%.
When described device for rushing in advance, the vein end is connected as fluid input port with human vein, the artery
End is used as fluid output port, bubble that can effectively inside remover, prevents from entering internal blood vessel.
When described device is for when treating, the vein end to be connected as fluid output port with human vein, the artery
End is used as fluid input port, is connected with human body artery, and so that blood is introduced filtration by the hemodynamic that blood pressure and blood pump generate
Device carries out continuing filtration.
It is also removably disposed branch pipe clamp on second branch pipe, for controlling the open and close of branch pipe.
More than, the embodiments of the present invention is illustrated.But the utility model is not limited to above-mentioned implementation
Mode.Within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done, should be included in
Within the protection scope of the utility model.
Claims (10)
1. a kind of blood filter, wherein the blood filtration includes vein end, arterial end, the first branch pipe, the second branch pipe,
One filtering module and the second filtering module；
The vein end is arranged below, and the arterial end is disposed over；
The arterial end passes through the first branch pipe with vein end respectively and the second branch pipe is connected to；
The first filtering module and the second filtering module are set gradually on first branch pipe, in first filtering module in filling
It is worth the spherical activated charcoal particle that partial size is 0.65-0.8mm, for realizing filtering for the first time, filling in second filtering module
Median particle diameter is the spherical activated charcoal particle of 0.5-0.65mm, is filtered for realizing second；
Three-way connection is set on second branch pipe, is used for external device.
2. blood filter according to claim 1, wherein the quantity of first filtering module is one or more,
If it is multiple when, the first filtering module serial or parallel connection uses.
3. blood filter according to claim 1, wherein the quantity of second filtering module is one or more,
If it is multiple when, the second filtering module serial or parallel connection uses.
4. blood filter according to claim 1, wherein baffle plate is arranged in first filtering module, for increasing
Big flow distance of the blood in the first filtering module, realizes the purpose of filtering.
5. blood filter according to claim 1, wherein baffle plate is arranged in second filtering module, for increasing
Big flow distance of the blood in the second filtering module, realizes the purpose of filtering.
6. blood filter according to claim 4 or 5, wherein the baffle plate is disc, circular ring shape, crescent
Or one or more of arch.
7. blood filter according to claim 1, wherein the caliber of the vein end is greater than the pipe of the arterial end
Diameter.
8. blood filter according to claim 1, wherein the porosity of first filtering module is greater than described second
The porosity of filtering module.
9. blood filter according to claim 8, wherein the porosity of first filtering module is 20-40%；Institute
The porosity for stating the second filtering module is 15-25%.
10. blood filter according to claim 1, wherein it is also removably disposed branch pipe clamp on second branch pipe,
For controlling the open and close of branch pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821027826.7U CN209137542U (en) | 2018-06-29 | 2018-06-29 | A kind of blood filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821027826.7U CN209137542U (en) | 2018-06-29 | 2018-06-29 | A kind of blood filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209137542U true CN209137542U (en) | 2019-07-23 |
Family
ID=67264858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821027826.7U Active CN209137542U (en) | 2018-06-29 | 2018-06-29 | A kind of blood filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209137542U (en) |
-
2018
- 2018-06-29 CN CN201821027826.7U patent/CN209137542U/en active Active
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