CN110279909A - Blood perfusion device and blood cleaning equipment - Google Patents
Blood perfusion device and blood cleaning equipment Download PDFInfo
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- CN110279909A CN110279909A CN201910696351.3A CN201910696351A CN110279909A CN 110279909 A CN110279909 A CN 110279909A CN 201910696351 A CN201910696351 A CN 201910696351A CN 110279909 A CN110279909 A CN 110279909A
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- 210000004369 blood Anatomy 0.000 title claims abstract description 132
- 239000008280 blood Substances 0.000 title claims abstract description 132
- 230000008081 blood perfusion Effects 0.000 title claims abstract description 51
- 238000004140 cleaning Methods 0.000 title claims abstract description 17
- 238000009792 diffusion process Methods 0.000 claims abstract description 91
- 239000003463 adsorbent Substances 0.000 claims abstract description 72
- 239000007788 liquid Substances 0.000 claims abstract description 50
- 238000000429 assembly Methods 0.000 claims description 33
- 230000000712 assembly Effects 0.000 claims description 33
- 238000007789 sealing Methods 0.000 claims description 24
- 238000001179 sorption measurement Methods 0.000 abstract description 16
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000000746 purification Methods 0.000 abstract description 5
- 230000007423 decrease Effects 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 13
- 230000036772 blood pressure Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000009471 action Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000001914 filtration Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000017531 blood circulation Effects 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 241000239290 Araneae Species 0.000 description 1
- 208000037157 Azotemia Diseases 0.000 description 1
- 208000005189 Embolism Diseases 0.000 description 1
- 206010070863 Toxicity to various agents Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000001194 anti-hemostatic effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000001631 haemodialysis Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 208000019423 liver disease Diseases 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 210000002381 plasma Anatomy 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 108700012359 toxins Proteins 0.000 description 1
- 208000009852 uremia Diseases 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- A61M1/3679—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits by absorption
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Cardiology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
The present invention provides a kind of blood perfusion device and blood cleaning equipment, is related to blood purification technology field, which includes: first end cover, second end cover and the cylinder being connected between first end cover and second end cover;First end cover has inlet and diffusion chamber, and cylinder has the accommodating chamber for accommodating adsorbent, and inlet, diffusion chamber and accommodating chamber are sequentially communicated, and the liquid outlet of second end cover is connected to accommodating chamber;After blood can flow into diffusion chamber by inlet, and sufficiently flowing is spread in diffusion chamber, adsorbent is flowed to, and flow out from liquid outlet.Blood enters in diffusion chamber from inlet, blood is set sufficiently to flow diffusion, subsequently flowing to adsorbent comes into full contact with blood with adsorbent, promote adsorption efficiency, it can not be come into full contact with adsorbent with alleviating blood existing in the prior art, the decline of caused adsorption efficiency, treatment time elongated problem.Blood cleaning equipment includes above-mentioned blood perfusion device.
Description
Technical field
The present invention relates to blood purification technology fields, and in particular to a kind of blood perfusion device and blood cleaning equipment.
Background technique
With social development, the continuous improvement of medical level has become feasible maturation to the purging in vitro of blood
Technology;As blood purification technology is in the development in China and universal, important instrument one of of the blood perfusion device as blood purification.
Blood perfusion device is mainly used in acute and chronic drug poisoning, the absorption of uremia middle molecule toxins at present, and hepatopathy and immune field cause
The absorption of cause of disease.Its main application mode has individual blood perfusion mode, haemodialysis joint blood perfusion mould at present
Formula and blood plasma separate absorption mode.
Blood perfusion is exactly that the blood of patient is drawn extracorporal circulatory system from internal, utilizes adsorbent in extracorporal circulatory system perfusion device
Suction-operated, remove exogenous and endogenous poisonous substance, drug and metabolic waste, then re-enter purified blood
To patient's body, to achieve the purpose that blood purification.
In the prior art, blood is inside inlet input blood perfusion device, and enters directly into adsorbent chamber and adsorb
Agent contact carries out adsorption cleaning, and blood is directly entered in adsorbent chamber by inlet, and inlet diameter is smaller, in the promotion of blood pressure
Under, when blood initially enters adsorbent chamber, it is unable to fully diffusion expansion, so that blood can not come into full contact with adsorbent, adsorbent
Suction-operated cannot be given full play to, adsorption efficiency decline extends treatment time.
Summary of the invention
The purpose of the present invention is to provide a kind of blood perfusion device and blood cleaning equipments, are existed in the prior art with alleviating
Blood can not be come into full contact with adsorbent, the decline of caused adsorption efficiency, treatment time elongated problem.
The present invention provides a kind of blood perfusion device, comprising: first end cover, second end cover and is connected to first end cover and
Cylinder between two end caps.
First end cover has inlet and diffusion chamber, and cylinder has the accommodating chamber for accommodating adsorbent, inlet, diffusion
Chamber and accommodating chamber are sequentially communicated, and the liquid outlet of second end cover is connected to accommodating chamber.
After blood can flow into diffusion chamber by inlet, and sufficiently flowing is spread in diffusion chamber, adsorbent is flowed to, and
It is flowed out from liquid outlet.
Further, diffusion chamber is the cavity that surrounds of arc internal chamber wall by first end cover, and the cross-sectional area of diffusion chamber
It is become larger along direction of flow of blood, the opening of diffusion chamber is docked with the first port of cylinder.
Further, the collecting chamber that second end cover is surrounded by the arc internal chamber wall of second end cover, second end cover have by the
The collecting chamber that the arc internal chamber wall of two end caps is constituted, collecting chamber is connected to liquid outlet, and the cross-sectional area of collecting chamber is along blood stream
Dynamic direction gradually becomes smaller, and the opening of collecting chamber is docked with the second port of cylinder.
Further, second end cover and first end cover all have internal thread structure, have on the outer wall at cylinder both ends and use
In the external thread structure being threadedly coupled with internal thread structure.
Further, which includes the filter assemblies being set in accommodating chamber;Filter assemblies are located at second end
Between lid and adsorbent and between first end cover and adsorbent.
Further, filter assemblies include strainer, ring frame, center disk body and support spoke.
Center disk body is set to the center of ring frame, and multiple groups support spoke spacing intervals are connected to center disk body and annular
Between outline border, and spoke is supported to dissipate outward from the center of ring frame.
Strainer is connected to ring frame.
Further, center disk body is concave disk body or convex disk body.
Further, which includes sealing ring;Sealing ring is sheathed on the outer ring side wall of ring frame, and close
Seal can abut sealing with the inner sidewall of cylinder.
Further, which includes the capping for blocking inlet and liquid outlet;Capping and inlet with
And liquid outlet is threadedly coupled.
The present invention provides a kind of blood cleaning equipment, including above-mentioned blood perfusion device.
Compared with prior art, technical advantage possessed by blood perfusion device and blood cleaning equipment provided by the invention
Are as follows:
The present invention provides a kind of blood perfusion device, comprising: second end cover, first end cover and is connected to second end cover and
Cylinder between one end cap;First end cover has inlet and diffusion chamber, and cylinder has the accommodating chamber for accommodating adsorbent, into
Liquid mouth, diffusion chamber and accommodating chamber are sequentially communicated, and the liquid outlet of second end cover is connected to accommodating chamber;Blood can pass through inlet
Diffusion chamber is flowed into, and flows to adsorbent, and flow out from liquid outlet sufficiently after flowing diffusion in diffusion chamber.In above structure, into
Liquid mouth, diffusion chamber, accommodating chamber and liquid outlet are sequentially communicated, and adsorbent are provided in the accommodating chamber of cylinder, blood is by inlet
It enters in diffusion chamber, flowing diffusion is carried out in diffusion chamber, so that the blood at stock flowed into from inlet is adequately spread
Expansion, then permeates into the adsorbent of accommodating chamber, and the blood of sufficiently diffusion expansion can come into full contact with adsorbent, by inhaling
The blood of attached process flows out blood perfusion device by liquid outlet.In above structure, blood from diameter lesser first end cover into
Liquid mouth is flow in diffusion chamber, and diffusion chamber is connected to accommodating chamber, is provided with adsorbent in accommodating chamber, and relative to blood to adsorbent
In infiltration for, the suffered resistance of flowing diffusion of the blood in diffusion chamber is smaller, therefore blood can be first in diffusion chamber
Diffusion expansion is then permeated under the action of blood pressure into adsorbent until being full of diffusion chamber, and during this, blood obtains
Sufficient diffusion and expansion, enable blood to come into full contact with adsorbent, so that adsorbent can be more efficient, more quickly
The harmful substance in blood is adsorbed, therefore alleviate blood existing in the prior art not coming into full contact with adsorbent, it is caused
Adsorption efficiency decline, treatment time elongated problem.
The present invention provides a kind of blood cleaning equipment, including above-mentioned blood perfusion device, and the advantage of blood cleaning equipment includes
The advantage of blood perfusion device, repeats no more.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of blood perfusion device provided in an embodiment of the present invention;
Fig. 2 is the schematic diagram of internal structure of blood perfusion device provided in an embodiment of the present invention;
Fig. 3 is the internal structure partial schematic diagram of blood perfusion device provided in an embodiment of the present invention;
Fig. 4 is the configuration schematic diagram of blood perfusion device provided in an embodiment of the present invention;
Fig. 5 is the structural schematic diagram of the first end cover of blood perfusion device provided in an embodiment of the present invention;
Fig. 6 is that the first filter assemblies of blood perfusion device provided in an embodiment of the present invention and sealing ring fit structure are illustrated
Figure;
Fig. 7 is the filter assemblies of blood perfusion device provided in an embodiment of the present invention and the configuration schematic diagram of sealing ring;
Fig. 8 is the structural schematic diagram of second of filter assemblies of blood perfusion device provided in an embodiment of the present invention.
Icon: 100- cylinder;110- accommodating chamber;200- first end cover;210- inlet;220- diffusion chamber;
300- second end cover;310- liquid outlet;320- collecting chamber;400- filter assemblies;410- ring frame;420- strainer;
The center 430- disk body;440- supports spoke;500- sealing ring;510- seal groove;600- adsorbent;700- capping.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
The present invention is described in further detail below by specific embodiment and in conjunction with attached drawing.
Specific structure is as Figure 1-Figure 8.
A kind of blood perfusion device provided in this embodiment, according to Fig. 1-Fig. 8, comprising: first end cover 200, second end
Lid 300 and with the cylinder 100 that is connected between first end cover 200 and second end cover 300.
First end cover 200 has inlet 210 and diffusion chamber 220, and cylinder 100 has the accommodating chamber for accommodating adsorbent
110, inlet 210, diffusion chamber 220 and accommodating chamber 110 are sequentially communicated, the liquid outlet 310 and accommodating chamber of second end cover 300
110 connections.
After blood can flow into diffusion chamber 220 by inlet 210, and sufficiently flowing is spread in diffusion chamber 220, flow direction
Adsorbent 600, and flowed out from liquid outlet 310.
In above structure, specifically, inlet 210, diffusion chamber 220, accommodating chamber 110 and liquid outlet 310 are sequentially communicated,
Adsorbent 600 is provided in the accommodating chamber 110 of cylinder 100, blood is entered in diffusion chamber 220 by inlet 210, in diffusion chamber
Flowing diffusion is carried out in 220, so that the blood at stock flowed into from inlet 210 adequately spreads expansion, then permeates into receiving
In the adsorbent 600 of chamber 110, the blood of sufficiently diffusion expansion can come into full contact with adsorbent 600, by the blood of adsorption process
Liquid flows out blood perfusion device by liquid outlet 310.In above structure, blood flow to diffusion chamber from the lesser inlet 210 of diameter
In 220, diffusion chamber 220 is connected to accommodating chamber 110, is provided with adsorbent 600 in accommodating chamber 110, and relative to blood to suction
For infiltration in attached dose 600, the suffered resistance of flowing diffusion of the blood in diffusion chamber 220 is smaller, therefore blood can be first
Expansion is spread in diffusion chamber 220, until being full of diffusion chamber 220, is then permeated under the action of blood pressure into adsorbent 600,
And during this, blood has obtained sufficient diffusion and expansion, blood is come into full contact with adsorbent 600, to inhale
Attached dose 600 can be more efficient, adsorbs the harmful substance in blood more quickly, shortens treatment time.
Preferably, for the blood perfusion device by the way of bringing out liquid on the feed liquor of lower end, this mode fills blood in blood
Flowing time is longer in stream device, and adsorption time is more sufficient, so that adsorption effect is more preferable.The first end of the blood perfusion device as a result,
Lid 200 is connect with the first port of cylinder 100, meanwhile, the inlet 210 of first end cover 200 is connected to diffusion chamber 220, so that
Blood can enter from the inlet 210 of first end cover 200, the then sufficiently flowing diffusion in diffusion chamber 220, and gradually tire out
Product, under the action of blood pressure, the inner blood sufficiently spread of diffusion chamber 220 is more and more, until flowing into the cylinder of 220 top of diffusion chamber
It in the accommodating chamber 110 of body 100, and is contacted with adsorbent 600, adsorbent 600 adsorbs blood, effect of the blood in blood pressure
It constantly moves up down, the blood for being finally completed adsorption process is flowed out from the liquid outlet 310 of second end cover 300.
In the optional technical solution of the present embodiment, Primary Reference Fig. 1-Fig. 5, diffusion chamber 220 is by first end cover 200
The cavity that arc internal chamber wall surrounds, and the cross-sectional area of diffusion chamber 220 becomes larger along direction of flow of blood, diffusion chamber 220
Opening is docked with the first port of cylinder 100.
Preferably, which is the inner cavity of first end cover 200, which has far from the side of inlet 210 opens
Mouthful, the opening of the diffusion chamber 220 enables blood smoothly to flow into cylinder 100 for docking with the first port of cylinder 100
In accommodating chamber 110, it should be noted that in order to guarantee that the diffusion chamber 220 can make blood be sufficiently spread out diffusion, diffusion chamber 220
Cross-sectional area needs the cross-sectional area greater than inlet 210, and the cross-sectional area of diffusion chamber 220 gradually becomes along direction of flow of blood
Greatly, so that blood sufficiently spreads expansion in diffusion chamber 220, the lower port of the bore and cylinder 100 of 220 opening of diffusion chamber
Bore is consistent, in order to when blood enters accommodating chamber 110 from diffusion chamber 220, the face of the contact surface of blood and adsorbent 600
Product is larger, so that adsorbent 600 and contacting blood are abundant, improves adsorption efficiency.Blood can be with biggish under the action of blood pressure
Pressure injection into diffusion chamber 220, using blood in diffusion chamber 220 the very fast feature of flow velocity, using arc internal chamber wall, so that blood
Liquid forms vortex, is conducive to quick diffusion of the blood in diffusion chamber 220 when arcuately internal chamber wall flows, meanwhile, utilize this
Vortex, blood enters after accommodating chamber 110 flowing velocity for still keeping certain horizontal direction, so that blood has adsorbent 600
Certain impact, and make adsorbent 600 in blood and have certain vibration, under the stirring action of the vibration, so that absorption
Agent 600 is adequately mixed with blood, so that blood can come into full contact with adsorbent 600, improves adsorption efficiency.Separately
Outside, which can also be used the conical internal cavity that diameter becomes larger along direction of flow of blood.
In the optional technical solution of the present embodiment, Primary Reference Fig. 1-Fig. 4, second end cover 300 has by second end cover
The collecting chamber 320 that 300 arc internal chamber wall surrounds, collecting chamber 320 are connected to liquid outlet 310, and the cross-sectional area of collecting chamber 320
It is gradually become smaller along direction of flow of blood, the opening of collecting chamber 320 is docked with the second port of cylinder 100.
Preferably, second end cover 300 has the internal chamber wall of arc, which is collecting chamber 320, and second end cover 300 has
There is liquid outlet 310, which is set to the top of arc internal chamber wall, and the liquid outlet 310 is set to and is used for and collecting chamber
The opening of the opposite side of 320 opening, collecting chamber 320 is connect with the second port of cylinder 100, and the opening and cylinder of collecting chamber 320
The bore of the second port of body 100 is consistent, and the cross-sectional area of collecting chamber 320 gradually becomes smaller along direction of flow of blood, until liquid out
At 310 positions of mouth, the bore of collecting chamber 320 is overlapped with 310 bore of liquid outlet.Blood passes through cylinder 100, and is received chamber 110
In 600 adsorption cleaning of adsorbent after, from the second port of cylinder 100 flow out, and enter second end cover 300 collecting chamber 320
In, blood, which enters in collecting chamber 320, to converge under the drainage of arc internal chamber wall to the liquid outlet 310 at 300 top of second end cover
Collection, and flowed out from liquid outlet 310.In above process, the collecting chamber 320 of the arc internal chamber wall of the second end cover 300 has and draws
Flow effect.In addition, diameter can also be used along the gradually smaller conical internal cavity of direction of flow of blood in the collecting chamber 320.
It should be noted that the internal chamber wall of first end cover 200 and second end cover 300 is arc internal chamber wall, work as primed blood
After liquid stream enters the blood perfusion device, bubble can be generated on the internal chamber wall of first end cover 200 and second end cover 300, to prevent bubble
Lead to embolism into patient vessel, need that blood perfusion device is discharged in bubble before feeding back blood to patient vessel,
In bubble discharge process, relative to the internal chamber wall of plane, the arc internal chamber wall in the embodiment is more advantageous to the bubble of wall built-up
Arcuately internal chamber wall upward sliding is discharged.When bubble generates, blood perfusion device is flicked or shakes, bubble is along first end cover 200
Arc internal chamber wall upward sliding, the internal chamber wall for slipping over cylinder 100 enters the arc internal chamber wall of second end cover 300, above-mentioned bubble
And in second end cover 300 wall built-up bubble along second end cover 300 arc internal chamber wall upward sliding, and from second end cover 300
Liquid outlet 310 be discharged, to complete the quick discharge of bubble.And the quick discharge of bubble then makes the preliminary filling process of blood more
Fastly, more efficient.
In the optional technical solution of the present embodiment, Primary Reference Fig. 1-Fig. 5, second end cover 300 and first end cover 200
Internal thread structure is all had, there is the external thread structure for being threadedly coupled with internal thread structure on the outer wall at 100 both ends of cylinder.
Preferably, connector, the diffusion of first end cover 200 are provided on the aperture position of the collecting chamber of second end cover 300
Connector is also equipped on the aperture position of chamber, the connector of the two is provided with internal thread structure, second end cover 300 and first
The internal thread structure of the connector of end cap 200 be able to on 100 outer wall of cylinder close to the outer of second port and first port
Helicitic texture is threadedly coupled, to realize that the opening of collecting chamber 320 is docked with the second port of cylinder 100, diffusion chamber 220
Opening is docked with the first port of cylinder 100.By the way of threaded connection, it is convenient to second end cover 300 and first end cover 200
It is conveniently and efficiently dismounted between entire body.
In the optional technical solution of the present embodiment, Primary Reference Fig. 2-Fig. 4, Fig. 6 and Fig. 7, the blood perfusion device include setting
The filter assemblies 400 being placed in accommodating chamber 110;Filter assemblies 400 are between second end cover 300 and adsorbent 600, Yi Ji
Between one end cap 200 and adsorbent 600.
Above-mentioned filter assemblies 400 are set between second end cover 300 and adsorbent 600, will flow to absorption for filtering
Nuisance in the blood of agent 600;Or filter device setting is for filtering between first end cover 200 and adsorbent 600
By the nuisance in the blood for flowing to collecting chamber 320 and the impurity carried from adsorbent 600;Preferably, in second end cover
Filter assemblies 400 are provided between 300 and adsorbent 600 and between first end cover 200 and adsorbent 600, so that blood
It is once filtered before entering adsorbent 600, carries out secondary filter after flowing out adsorbent 600, guarantee the net of blood
Change effect, realizes the double filtration to blood.Filter assemblies 400, blood are provided between first end cover 200 and adsorbent 600
From the diffusion chamber 220 that the inlet 210 of first end cover 200 enters first end cover 200, blood fills liquid in diffusion chamber 220
After point diffusion, as blood constantly accumulates rising, filter assemblies 400 are flowed to, using the filtration of filter assemblies 400, when
After blood flows through filter assemblies 400, the nuisance in blood is filtered.When blood completes adsorption process in accommodating chamber 110
Afterwards, the filter assemblies 400 between second end cover 300 and adsorbent 600 are flowed to, the filter assemblies 400 are to the nuisance in blood
Secondary filter is carried out, and the impurity that blood is taken out of from adsorbent 600 is filtered.By the above process, complete to blood
Double filtration, improve the clean-up effect of blood.
Specifically, according to Fig.8, filter assemblies 400, which include at least, strainer 420, which is placed with filter opening,
The arrangement density of filter opening is -170 mesh of 30 mesh, which is set between first end cover 200 and adsorbent 600, for pair
The blood for flowing to adsorbent from diffusion chamber 220 is once filtered, so that the harmful substance in blood is filtered, purified blood
Liquid;Strainer 420 is also equipped between second end cover 300 and adsorbent 600, for flowing to collecting chamber 320 from accommodating chamber 110
Middle blood carries out secondary filter, so that nuisance in blood and the impurity taken out of from adsorbent 600 are filtered, thus
Purify blood.
In the optional technical solution of the present embodiment, Primary Reference Fig. 6 and Fig. 7, it is preferable that filter assemblies 400 include strainer
420, ring frame 410, center disk body 430 and support spoke 440.
Center disk body 430 is set to the center of ring frame 410, and multiple groups support spoke 440 interval is connected to center
Between disk body 430 and ring frame 410, and spoke 440 is supported to dissipate outward from the center of ring frame 410.
Strainer 420 is connected to ring frame 410.
Above-mentioned filter assemblies 400 include ring frame 410, support spoke 440, center disk body 430 and strainer 420, ring
Shape outline border 410 is with certain thickness ring structure, it is preferable that three support spokes 440 are evenly spaced on, and supporting spokes
Item 440 dissipates outward from the center of ring frame 410, and connect with the interior ring-side wall of ring frame 410, and center disk body 430 is set
It is placed in the center location of ring frame 410, and is connect with one end of support spoke 440, strainer 420 is layed in ring frame 410
Strainer is flowed through towards the side of adsorbent 600 so that blood enters before adsorbent 600 or before flowing out accommodating chamber 110
420, blood is filtered;Spoke 440 is supported to be mainly used for for connecting simultaneously fixed center disk body 430, the center disk body 430
Stop the blood flowed into from inlet 210, anti-Hemostatic Oral Liquid directly flows through filter assemblies 400, avoids blood diffusion insufficient.?
In filter assemblies 400 between one end cap 200 and adsorbent 600, which is set to center location, be right against into
Liquid mouth 210 after blood flows into inlet 210 under the action of blood pressure, has certain initial velocity, can directly pour into filter assemblies
400 center disk body 430, and the center disk body 430 can stop blood to pass through, and make blood in the blocking of center disk body 430
Under flow back to diffusion chamber 220 and sufficiently spread, after blood is sufficiently spread, flow through the direction absorption for being layed in ring frame 410
The strainer 420 of the side of agent 600, so that blood is filtered.Preferably, cylinder 100 is internally provided with the step structure of protrusion,
Ring frame 410 close to the filter assemblies 400 of first end cover 200 is set up on the step structure of first end cover 200, when
When first end cover 200 is connected to the cylinder 100 using helicitic texture, the connector and ring frame 410 of first end cover 200 are close
200 one end of first end cover abuts and compresses ring frame 410, prevents it from deviating from cylinder 100;Close to the filtering of second end cover 300
The ring frame 410 of component 400 is set up on the step structure of second end cover 300, when second end cover 300 utilizes screw thread knot
When structure is connected to the cylinder 100, the connector of second end cover 300 is abutted simultaneously with ring frame 410 close to 300 one end of second end cover
Ring frame 410 is compressed, prevents it from deviating from cylinder 100.
It preferably, can by the filter assemblies 400 that ring frame 410, support spoke 440, spider and strainer 420 form
It is integrally formed using Shooting Technique.
In the optional technical solution of the present embodiment, Primary Reference Fig. 6 and Fig. 7, center disk body 430 are concave disk body or convex
Type disk body.
Preferably, which is raised convex disk body or is the concave disk body with recess;Work as blood
Liquid pours into inlet 210 under the action of blood pressure, and when directly falling in the protrusion or sunk structure of center disk body 430, should
Protrusion or sunk structure can play the role of blood to buffer water conservancy diversion, so that the flow direction of blood changes, and cooperate expansion
The arc inner cavity surface for dissipating chamber 220, so that blood forms vortex in diffusion chamber 220, so that blood is quickly sufficiently spread, to reach
To blood is come into full contact with quickly with adsorbent 600, the purpose of adsorption cleaning efficiency is improved.
In the optional technical solution of the present embodiment, Primary Reference Fig. 3, Fig. 6 and Fig. 7 blood perfusion device include sealing ring
500;Sealing ring 500 is sheathed on the outer ring side wall of ring frame 410, and sealing ring 500 can be supported with the inner sidewall of cylinder 100
Connect sealing.
Specifically, which is sheathed on the outer ring side wall of ring frame 410, when ring frame 410 is set up in cylinder
When on the step structure in body 100, which abuts sealing with the inner sidewall of cylinder 100, avoids blood and flows into diffusion
After chamber 220, without filter screen 420, the gap directly between cylinder 100 and ring frame 410 flows to adsorbent 600, so that
The undesirable problem of filter effect.
Preferably, which is also ring structure, and cricoid seal groove 510 is offered on its interior ring-side wall, should
When sealing ring 500 is sheathed on ring frame 410, ring frame 410 can be embedded in above-mentioned seal groove 510, and and seal groove
510 cell wall abuts sealing, and the ring frame 410 for being cased with sealing ring 500 is set up on the step structure on 100 inner wall of cylinder
Afterwards, the outer ring side wall of the sealing ring 500 abuts sealing with 100 inner sidewall of cylinder, by second end cover 300 or first end cover 200
After being connect by helicitic texture with cylinder 100, on the connector and ring frame 410 of second end cover 300 or first end cover 200
An end face of sealing ring 500 abut while so that second end cover 300 or first end cover 200 compress filter assemblies 400,
Sealing ring 500 can also be pushed against, so that forming sealing between second end cover 300 or first end cover 200 and cylinder 100, is prevented
Blood leakage.
In the optional technical solution of the present embodiment, Primary Reference Fig. 1-Fig. 4, the blood perfusion device include for block into
The capping 700 of liquid mouth 210 and liquid outlet 310;Capping 700 is threadedly coupled with inlet 210 and liquid outlet 310.
In above structure, capping 700 with inlet 210 and liquid outlet 310 utilization be threadedly coupled, blood perfusion device not
In use, being tamping using 700 inlets 210 of capping with liquid outlet 310, germ contamination is prevented.Preferably, second end cover 300 with
It is provided with retention bead on the lateral wall of first end cover 200, the opening for covering 700 is provided with flanging, the bottom surface of flanging
It is provided with limiting slot, when capping 700 is threadedly coupled after being tamping with inlet 210 and liquid outlet 310, retention bead is embedded just below
In limiting slot and capping 700 is locked, prevents from loosening because accidentally touching or vibrating so that covering 700.
The present embodiment also provides a kind of blood cleaning equipment, including the blood perfusion device in above-described embodiment.
This kind of blood cleaning equipment includes blood perfusion device, blood perfusion device include cylinder 100 and respectively with cylinder 100
The second end cover 300 and first end cover 200 of connection have the diffusion chamber 220 surrounded by arc cavity wall in first end cover 200, with
And positioned at first end cover 200 diffusion chamber opening opposite side inlet 210;Second end cover 300 has to be surrounded by arc cavity wall
Collecting chamber 320, and positioned at second end cover 300 be open opposite side liquid outlet 310;Second end cover 300 and first end cover 200 are equal
It is connected to the accommodating chamber 110 of cylinder 100, adsorbent 600, and the connector of second end cover 300 and is provided in accommodating chamber 110
The connector of one end cap 200 is threadedly coupled with the second port of cylinder 100 with first port respectively.Preferably, second end cover 300
It is provided with filter assemblies 400 between adsorbent 600, is also equipped with filter assemblies between first end cover 200 and adsorbent 600
400, above-mentioned filter assemblies 400 include strainer 420, center disk body 430, ring frame 410 and the inner ring with ring frame 410
Side wall connection, and the support spoke 440 being arranged along radial direction towards the center of circle;Center disk body 430 is set to ring frame 410
The center point, and with support spoke 440 connect, strainer 420 is layed in one end of ring frame 410.It is also covered on ring frame 410
Equipped with sealing ring 500, which is ring structure, be also provided on interior ring-side wall annular for being embedded outside annular
The seal groove 510 of frame 410.
Blood flows into the diffusion chamber 220 of first end cover 200 from the inlet 210 of first end cover 200, and pour into convex or
The center disk body 430 of concave cooperates the diffusion chamber 220 of arc that blood pressure is being spread under the guide functions of center disk body 430
It is formed in chamber 220 to be vortexed and simultaneously quickly be spread, the blood sufficiently spread flows into after filter assemblies 400 are filtered, into accommodating chamber
110, and under the action of adsorbent 600, carry out adsorption cleaning, filtering group of the purified blood from close second end cover 300
Part 400 carries out secondary filter, and is flowed out by collecting chamber 320 from the liquid outlet 310 of second end cover 300.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement;And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of blood perfusion device characterized by comprising first end cover (200), second end cover (300) and be connected to institute
State the cylinder (100) between first end cover (200) and the second end cover (300);
The first end cover (200) has inlet (210) and diffusion chamber (220), and the cylinder (100) has inhales for accommodating
The accommodating chamber (110) of attached dose (600), the inlet (210), the diffusion chamber (220) and the accommodating chamber (110) are successively
Connection, the liquid outlet (310) of the second end cover (300) are connected to the accommodating chamber (110);
Blood can be flowed into the diffusion chamber (220) by the inlet (210), and in the diffusion chamber (220) sufficiently
It after flowing diffusion, flows to the adsorbent (600), and is flowed out from the liquid outlet (310).
2. blood perfusion device according to claim 1, which is characterized in that the diffusion chamber (220) is by the first end
The cavity that the arc internal chamber wall of lid (200) surrounds, and the cross-sectional area of the diffusion chamber (220) gradually becomes along direction of flow of blood
Greatly, the opening of the diffusion chamber (220) is docked with the first port of the cylinder (100).
3. blood perfusion device according to claim 1, which is characterized in that the second end cover (300) has by described the
The collecting chamber (320) that the arc internal chamber wall of two end caps (300) surrounds, the collecting chamber (320) and the liquid outlet (310) are even
It is logical, and the cross-sectional area of the collecting chamber (320) gradually becomes smaller along direction of flow of blood, the opening of the collecting chamber (320) with
The second port of the cylinder (100) is docked.
4. blood perfusion device according to claim 1, which is characterized in that the second end cover (300) and described first
End cap (200) all has internal thread structure, have on the outer wall at cylinder (100) both ends for the internal thread structure spiral shell
The external thread structure of line connection.
5. blood perfusion device described in any one of -4 according to claim 1, which is characterized in that including being set to the appearance
The filter assemblies (400) received in chamber (110);The filter assemblies (400) are located at the second end cover (300) and the adsorbent
(600) between and between the first end cover (200) and the adsorbent (600).
6. blood perfusion device according to claim 5, which is characterized in that the filter assemblies (400) include strainer
(420), ring frame (410), center disk body (430) and support spoke (440);
The center disk body (430) is set to the center of the ring frame (410), support spoke (440) described in multiple groups
Interval is connected between the center disk body (430) and the ring frame (410), and the support spoke (440) is from described
The center of ring frame (410) dissipates outward;
The strainer (420) is connected to the ring frame (410).
7. blood perfusion device according to claim 6, which is characterized in that the center disk body (430) be concave disk body or
Person's convex disk body.
8. blood perfusion device according to claim 6, which is characterized in that including sealing ring (500);The sealing ring
(500) it is sheathed on the outer ring side wall of the ring frame (410), and the sealing ring (500) can be with the cylinder (100)
Inner sidewall abut sealing.
9. blood perfusion device according to claim 1, which is characterized in that including for block the inlet (210) and
The capping (700) of the liquid outlet (310);The capping (700) and the inlet (210) and the liquid outlet (310)
It is threadedly coupled.
10. a kind of blood cleaning equipment, which is characterized in that including blood perfusion described in any one of claim 1-9
Device.
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CN201910696351.3A CN110279909A (en) | 2019-07-30 | 2019-07-30 | Blood perfusion device and blood cleaning equipment |
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CN201910696351.3A CN110279909A (en) | 2019-07-30 | 2019-07-30 | Blood perfusion device and blood cleaning equipment |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114225142A (en) * | 2021-10-29 | 2022-03-25 | 南京国青血液净化科技有限公司 | Blood purification device |
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CN2170106Y (en) * | 1993-03-03 | 1994-06-29 | 天津市生物医学工程开发研究中心 | Adsorption pot for purifying blood |
CN105214156A (en) * | 2015-11-02 | 2016-01-06 | 珠海健帆生物科技股份有限公司 | Apparatus for purifying blood and system |
CN204951775U (en) * | 2015-09-02 | 2016-01-13 | 珠海健帆生物科技股份有限公司 | Barrel and have blood purifying device of this barrel |
CN106110427A (en) * | 2016-08-25 | 2016-11-16 | 重庆郑博生物科技有限公司 | blood perfusion device |
CN210844572U (en) * | 2019-07-30 | 2020-06-26 | 赛克赛斯生物科技股份有限公司 | Blood perfusion device and blood purification equipment |
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CN2170106Y (en) * | 1993-03-03 | 1994-06-29 | 天津市生物医学工程开发研究中心 | Adsorption pot for purifying blood |
CN204951775U (en) * | 2015-09-02 | 2016-01-13 | 珠海健帆生物科技股份有限公司 | Barrel and have blood purifying device of this barrel |
CN105214156A (en) * | 2015-11-02 | 2016-01-06 | 珠海健帆生物科技股份有限公司 | Apparatus for purifying blood and system |
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