CN207168774U - A kind of blood perfusion device - Google Patents
A kind of blood perfusion device Download PDFInfo
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- CN207168774U CN207168774U CN201621484212.2U CN201621484212U CN207168774U CN 207168774 U CN207168774 U CN 207168774U CN 201621484212 U CN201621484212 U CN 201621484212U CN 207168774 U CN207168774 U CN 207168774U
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Abstract
The utility model discloses a kind of blood perfusion device, including cylinder, upper end cover and bottom end cover, the both ends of the cylinder are respectively arranged with filter screen；The upper end cover and bottom end cover are respectively arranged with first entrance and first outlet, and the cylinder is provided with second entrance and second outlet, and the first entrance, first outlet, second entrance and second outlet are provided with protection network plug.The double layer security protective effect at perfusion device bloody path both ends is formed with this.When blood enters perfusion device through bloody path pipeline, protection network plug plays cushioning effect, and the effect of being effectively protected is played to the filter screen being located on cylinder.When the aperture of filter screen is squeezed greatly or even ruptured; the adsorbent for being extruded cylinder will be by resistance column at protection network plug; adsorbent can not be overflowed perfusion device; adsorbent can effectively be intercepted and enter human body with blood; in addition; the ideal value that the aperture of protection network plug is set in 0.35mm can be effectively reduced the pressure of blood flow, and the safety of patient is also protected while so as to reach treatment.
Description
Technical field
Blood perfusion field in blood purification is the utility model is related to, it particularly relates to a kind of blood perfusion device.
Background technology
In recent years, blood purification therapy clinically emerges rapidly, and blood perfusion and haemodialysis develop rapidly in China
And popularization.Wherein blood perfusion is one of critical treatment means of blood purification.At present, blood perfusion technique is widely used in facing
Bed, treatment category has been directed to hepatopathy, skin disease and immunity disease, and has the effect of good to severe poisonous substance, drug poisoning,
And it also can be used for the treatment of many chronic and refractories and difficult disease.With the improvement of people ' s living standards and health perception
Increase, the demand of blood perfusion device increases year by year.
Blood perfusion device is used for the disposable medical treatment consumptive materials of blood purification, is to use whole blood perfusion, through pipeline and blood
Liquid perfusion device is connected, and blood is drawn in extracorporeal circulation blood circuit, carries out adsorbing therapy.Purification blood is placed in blood perfusion device
Adsorbent, in clinical treatment, blood flows through tank body, and adsorbent adsorbs the organic toxin molecular substance in blood, net
Blood after change walks around in vivo again, and adsorbent effectively removes the morbid substance in blood, so as to reach the purpose for the treatment of.
The B of Chinese utility model patent Authorization Notice No. CN 101843932 and Authorization Notice No. CN203060403 U are each
From a kind of disposable blood perfusion device is disclosed, they almost duplicate in structure, by cylinder and installed in cylinder
The end cap at both ends, cylinder are provided with adsorbent, and filter screen is arranged on the both sides of cylinder.They take into account peace when filter screen uses
Quan Xing, but emphasis is in the sealing for how strengthening filter screen and cylinder.And when not accounting for whole blood perfusion, CBF is
Enter perfusion device under the driving of blood pump, blood pressure can change with CBF, when blood pressure reaches 250ml/min
When, blood pressure is then up to 350mmHg.If the hemoperfusion treatment time is relatively long, filter screen then subjects all from blood flow
Pressure, now filter screen will be extruded or even occur breakage, opening of sieve is then stretched, adsorbent material material will be extruded filter screen entrance
In blood, once this adsorbent material material enters human body with blood, human body will be caused greatly to endanger.It is and above-mentioned existing
Patent does not account for, the problem of regeneration in perfusion therapeutic process to adsorbent, is not provided with to adsorbent reactivation
The inlet and outlet of liquid.
Utility model content
The shortcomings that the purpose of this utility model is to overcome prior art and deficiency, propose a kind of blood perfusion device.The blood
The mouthpiece and disengaging regenerated liquid mouth that liquid perfusion device is connected in end cap with exterior line are equipped with protection network plug, when blood is through bloody path
When pipeline enters perfusion device, protection network plug plays cushioning effect, and the effect of being effectively protected is played to the filter screen being located on cylinder.
The utility model above-mentioned purpose is achieved by the following technical programs：
A kind of blood perfusion device, including cylinder, upper end cover and bottom end cover, the upper end cover and bottom end cover are respectively arranged at cylinder
The both ends of body, the both ends of the cylinder are respectively arranged with filter screen；The upper end cover and bottom end cover be respectively arranged with first entrance and
First outlet, the first entrance are connected with first outlet, and the cylinder is provided with second entrance and second outlet, and described second
Entrance is connected with second outlet, the pipeline connection of the second entrance and second outlet and regenerated liquid, the first entrance,
One outlet, second entrance and second outlet are provided with protection network plug.
Preferably, the aperture of the protection network plug is 0.2~1mm, it is further preferable that the aperture of the protection network plug is
0.35mm。
Above-mentioned filter screen and cylinder form the first cavity, and adsorbent has been filled with first cavity.
Coordinated in above-mentioned first entrance, first outlet, second entrance and second outlet by screw thread and sealed cap is installed.
Above-mentioned filter screen is connected on cylinder by supersonic welding, or passes through sealing ring top pressure respectively with upper end cover and bottom end cover
Filter screen is fixed on cylinder.
Operation principle of the present utility model is：Blood perfusion device is in clinical treatment usually using conventional hemodialysis pipe
Road, by the use of blood pump as power drive, pump line is internal diameter 8mm, and external diameter is 12mm pump line, and circulating line is then that internal diameter is 5mm, outside
Footpath is 7mm, we test when blood flow is set in 250ml/min CBFs, blood when passing through the filter screen in 0.2mm apertures, its
Pressure in blood vessel can raise, and be fluctuated between 300-350mmHg, be fixed on the filter screen at perfusion device both ends and will bear 1.5KG-
2.5KG pressure.Therefore, the ideal value for the aperture of filter screen being set in 0.35mm can be effectively reduced the pressure of blood flow.Work as blood
When liquid enters perfusion device through bloody path pipeline, the protection network plug being located on end cap plays effective cushioning effect, to being located on cylinder
Filter screen play the effect of being effectively protected.In addition, being squeezed big or even when rupturing when aperture occurs in filter screen, simplified absorption is extruded
Material at the protection network plug of end cap, will can not overflow perfusion device by resistance column, effectively intercept adsorbent and enter human body with blood.
Usual blood flow adsorbing therapy, at present just must be more after 2 hours in treatment there is the problem of adsorbent saturation
Change, can not carry out carrying out regeneration use to sorbent material, and the utility model takes friendship when being treated using perfusion device
For the mode used, it is possible to achieve while treatment, carry out cleaning and regeneration in adsorbent storage cavity, the adsorbent after regeneration can
Alternating treatment again.
Compared with prior art, the utility model has the advantages that：
1. the utility model takes the mode being used alternatingly when being treated using double perfusion devices, it is possible to achieve treatment
While, cleaning and regeneration is carried out in adsorbent storage cavity, without changing adsorbent, the adsorbent after regeneration is replaced again
Treatment.
2. mouthpiece and disengaging regenerated liquid mouth that the utility model is connected in end cap with exterior line are equipped with protection network plug,
When blood enters perfusion device through bloody path pipeline, protection network plug plays cushioning effect, and the filter screen being located on cylinder is played effectively
Protective effect.When the aperture of filter screen is squeezed greatly or even ruptured, being extruded the adsorbent of cylinder will protected by resistance column
At net plug, adsorbent can not be overflowed perfusion device, can effectively intercept adsorbent and enter human body with blood, in addition, protection network plug
The ideal value that aperture is set in 0.35mm can be effectively reduced the pressure of blood flow, so as to also protect trouble while treatment is reached
The safety of person.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model blood perfusion device.
Embodiment
Content of the present utility model is further illustrated with reference to specific embodiment, but should not be construed as to the utility model
Limitation.
Fig. 1 is the structural representation of the utility model blood perfusion device.A kind of blood perfusion device, including cylinder 1, upper end cover
3 and bottom end cover 7, the upper end cover 3 and bottom end cover 7 be respectively arranged at the both ends of cylinder 1, the both ends of the cylinder 1 are set respectively
There is filter screen 2；The upper end cover 3 and bottom end cover 7 are respectively arranged with first entrance 12 and first outlet 13, the first entrance 12 with
First outlet 13 is connected, and the first entrance 12 and first outlet 13 connect with exterior line, and the cylinder 1 enters provided with second
Mouth 14 and second outlet 15, the second entrance 14 are connected with second outlet 15, the second entrance 14 and second outlet 15
With the pipeline connection of regenerated liquid, when being treated using perfusion device, take the mode being used alternatingly, it is possible to achieve treatment it is same
When, cleaning and regeneration is carried out in adsorbent storage cavity, solves the problems, such as adsorbing therapy there is adsorbent saturation, without changing
Sorbent material, make the adsorbent after regeneration can alternating treatment again.The first entrance 12, first outlet 13, second entrance
14 and second outlet 15 be provided with protection network plug 5, the double layer security protective effect at perfusion device bloody path both ends is formed with this.
The filter screen 2 and cylinder 1 form the first cavity 11, and adsorbent has been filled with first cavity 11.It is described
Adsorbent blockaded by filter screen 2 and protection network plug 5, the aperture of the protection network plug 5 is 0.2~1mm, and optimal preferably aperture is
0.35mm.The aperture of protection network plug 5 is set in 0.35mm ideal value can be effectively reduced the pressure of blood flow.When blood menses
When road pipeline enters perfusion device, the protection network plug 5 being located on upper end cover 3 plays effective cushioning effect, to being located on cylinder 1
Filter screen 2 plays the effect of being effectively protected.In addition, being squeezed big or even when rupturing when aperture occurs in filter screen 2, simplified 1 suction is extruded
Enclosure material will be blocked in the second cavity 16 formed in the upper end cover 3, protection network plug 5 and filter screen 2；Absorption is in protection network plug
At 5, perfusion device can not be overflowed, adsorbent is effectively intercepted and enters human body with blood.
Coordinated in first entrance 12, first outlet 13, second entrance 14 and second outlet 15 by screw thread and sealing is installed
Cap 4.Filter screen 2 is connected on cylinder 1 by supersonic welding, or passes through the top pressure of sealing ring 6 respectively with upper end cover 3 and bottom end cover 7
Filter screen 2 is fixed on cylinder.
Above-described embodiment is the preferable embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any Spirit Essences without departing from the present invention with made under principle change, modification, replacement, combine and simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (8)
- A kind of 1. blood perfusion device, it is characterised in that including cylinder, upper end cover and bottom end cover, the upper end cover and bottom end cover point The both ends of cylinder are not arranged at, and the both ends of the cylinder are respectively arranged with filter screen；The upper end cover and bottom end cover are respectively arranged with First entrance and first outlet, the first entrance are connected with first outlet, and the cylinder goes out provided with second entrance and second Mouthful, the second entrance is connected with second outlet, and the pipeline connection of the second entrance and second outlet and regenerated liquid is described First entrance, first outlet, second entrance and second outlet are provided with protection network plug.
- 2. blood perfusion device according to claim 1, it is characterised in that the aperture of the protection network plug is 0.2~1mm.
- 3. blood perfusion device according to claim 2, it is characterised in that the aperture of the protection network plug is 0.35mm.
- 4. blood perfusion device according to claim 1, it is characterised in that the filter screen and the cylinder form the first sky Chamber.
- 5. blood perfusion device according to claim 4, it is characterised in that be filled with absorption in first cavity Agent.
- 6. blood perfusion device according to claim 1, it is characterised in that the first entrance, first outlet, second entrance Sealed cap is installed with coordinating in second outlet by screw thread.
- 7. blood perfusion device according to claim 1, it is characterised in that the filter screen is connected on cylinder by supersonic welding On.
- 8. blood perfusion device according to claim 1, it is characterised in that the upper end cover and bottom end cover pass through sealing respectively Enclose filter screen described in top pressure and filter screen is fixed on cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621484212.2U CN207168774U (en) | 2016-12-31 | 2016-12-31 | A kind of blood perfusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621484212.2U CN207168774U (en) | 2016-12-31 | 2016-12-31 | A kind of blood perfusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207168774U true CN207168774U (en) | 2018-04-03 |
Family
ID=61731905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621484212.2U Active CN207168774U (en) | 2016-12-31 | 2016-12-31 | A kind of blood perfusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207168774U (en) |
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2016
- 2016-12-31 CN CN201621484212.2U patent/CN207168774U/en active Active
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