CN103083953A - Reagent filtering device and method thereof - Google Patents
Reagent filtering device and method thereof Download PDFInfo
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- CN103083953A CN103083953A CN2011103376319A CN201110337631A CN103083953A CN 103083953 A CN103083953 A CN 103083953A CN 2011103376319 A CN2011103376319 A CN 2011103376319A CN 201110337631 A CN201110337631 A CN 201110337631A CN 103083953 A CN103083953 A CN 103083953A
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Abstract
A reagent filtering device comprises a shell provided with a processing room, a filter structure dividing the processing room into a front room and a rear room and filtering out impurities and bubbles is arranged in the shell, the shell at the bottom of the processing room is provided with a liquid inlet communicated with the front room, and the shell at the top of the processing room is provided with a front room liquid outlet communicated with the front room and a rear room liquid outlet communicated with the rear room. A reagent enters from the bottom of the front room, bubbles in the reagent naturally come up and break, and then a gas is discharged from the front room liquid outlet, so the number of the bubbles in the reagent in the front room decreases to a certain degree. The filtering structure can filter out the impurities and the bubbles, and the reagent passes through the filtering structure and enters the rear room from the front room, so the impurities and the bubbles in the reagent are filtered out.
Description
[technical field]
The present invention relates to medical instruments field, particularly relate to a kind of reagent filter and method.
[background technology]
In the in-vitro diagnosis field, require reagent that higher degree of purity is arranged, and require not only that in reagent, impurity particle will lack, and require the micro-bubble in reagent also will lack.For example, in cytoanalyze, when the size of micro-bubble and target particles size to be detected approach, can affect testing result, reduce the reliability of testing result.Filter seldom can reach the purpose of filtering bubble at present, and great majority even if the filter that filters the bubble function is arranged, generally do not possess the function of impurity screening simultaneously just for the impurity particle in reagent yet.
[summary of the invention]
Based on this, be necessary to provide a kind of reagent filter and the method for impurity screening simultaneously and bubble.
A kind of reagent filter, comprise the housing that is provided with process chamber, be provided with the filtration that described process chamber is divided into cup and rear chamber and impurity screening and bubble in described housing, described housing is provided with the inlet that is communicated with described cup in the bottom of described process chamber, described housing is provided with the cup liquid outlet that is communicated with described cup and the rear chamber liquid outlet that is communicated with described rear chamber in the top of described process chamber.
Further, described filtration comprises screen pack and filter membrane, and described screen pack covers the one or both sides of described filter membrane.
Further, the middle part of the relatively described cup in the two ends of described cup dwindles, and/or the middle part of relatively described rear chamber, the two ends of described rear chamber dwindles.
Further, round-corner transition is adopted at the joining place that dwindles in described cup and/or rear chamber.
Further, the cross section of described cup and/or rear chamber is the hexagon that shrink gradually at two ends, and the intersection on described hexagon adjacent both sides is round-corner transition.
Further, the intersection of the diapire of described cup and the sidewall of described cup is round-corner transition, and/or the intersection of the sidewall of the diapire of described rear chamber and described rear chamber is round-corner transition.
Further, described housing comprises protecgulum and bonnet, the surface of described protecgulum and be provided with detent along edge, rear chamber along the surface that the outer rim of described cup is provided with detent or bonnet, and described filtration is positioned in described detent.
Further, described reagent filter also comprises seal membrane, and described seal membrane is arranged on described filtration in described housing by compressing described filtration, and the described cup of seal isolation and described rear chamber.
Further, described reagent filter also comprises securing member, and described securing member connects described bonnet, seal membrane and protecgulum, makes described seal membrane compress described filtration and be fixedly connected with described protecgulum and bonnet.
A kind of reagent filter method comprises the steps:
The cup of the described process chamber of inlet input of the bottom of the process chamber that the housing with liquid to be filtered by the reagent filter surrounds;
Require low liquid by the cup liquid outlet output purity that is positioned at described process chamber top that is communicated with described cup;
Filter out after impurity in described liquid to be filtered and bubble to described rear chamber by the filtration that described process chamber is divided into cup and rear chamber;
By the demanding liquid of rear chamber liquid outlet output purity that is positioned at described process chamber top that is communicated with described rear chamber.
Further, describedly filter out after impurity in described liquid to be filtered and bubble in the step of described rear chamber by the filtration that described process chamber is divided into cup and rear chamber that screen pack by filtration carries out pre-filtering and the filter membrane by filtration filters described impurity and bubble.
Further, comprise that also structure that the middle part of the relative cup in two ends by described cup dwindles discharges the step of the bubble in liquid to be filtered in described cup.
Further, described cup adopts round-corner transition at the joining place that dwindles.
In mentioned reagent filter and method, reagent is injected into the cup of this reagent filter from inlet, and the gas in cup can be discharged from the cup liquid outlet with the injection of reagent.And reagent enters from the cup bottom, and the bubble in reagent floats naturally, and after bubble broke, gas was discharged from the cup liquid outlet, has reduced to a certain extent the number of bubbles of reagent in the cup.Therefore, filtration can impurity screening and bubble, and reagent enters into rear chamber by this filtration from cup, and impurity and bubble in reagent are filtered.
A kind of reagent filter comprises the housing that is provided with process chamber, is provided with the filtration that described process chamber is divided into cup and rear chamber and impurity screening and bubble in described housing, and the middle part of the relative cup in two ends of described cup dwindles.
Further, round-corner transition is adopted at the joining place that dwindles in described cup and/or rear chamber, and/or the intersection of the sidewall of the diapire of described cup and described cup is round-corner transition.
The middle part of the relative cup in two ends of cup dwindles, and is convenient to bubble and discharges with flowing of reagent.The discharge of the bubble of cup has solved the foaming phenomenon of filter membrane effectively, avoid forming a large amount of bubbles because the foaming phenomenon makes rear chamber, thereby the filter effect of bubble is filtered in impact.Therefore, filtration can impurity screening and bubble, and reagent enters into rear chamber by this filtration from cup, and impurity and bubble in reagent are filtered.
[description of drawings]
Fig. 1 is the structural representation of the reagent filter of an embodiment;
Fig. 2 is the structure explosive view of reagent filter shown in Figure 1;
Fig. 3 is the structural representation of the protecgulum of reagent filter shown in Figure 1;
Fig. 4 is the structure enlarged drawing of the seal membrane junction of reagent filter shown in Figure 1;
Fig. 5 is the assembling assumption diagram of reagent filter shown in Figure 1;
Fig. 6 is the structural representation of the reagent filter of another embodiment.
[specific embodiment]
For the ease of understanding the present invention, the below is described more fully the present invention with reference to relevant drawings.Provided preferred embodiment of the present invention in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the purpose of these embodiment be make to disclosure of the present invention understand more comprehensively thorough.
Need to prove, when element is called as " being fixed in " another element, can directly can there be element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may have simultaneously centering elements.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement do not represent it is unique embodiment just for illustrative purposes.
Unless otherwise defined, all technology of using of this paper and scientific terminology are with to belong to the implication that those skilled in the art of the present invention understand usually identical.The term that uses in specification of the present invention herein is not intended to be restriction the present invention just in order to describe the purpose of specific embodiment.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
Please consult simultaneously Fig. 1 and Fig. 2, the reagent filter 10 of the present embodiment comprises the housing 100 that is provided with process chamber 200, is provided with the filtration 300 that described process chamber 200 is divided into cup 210 and rear chamber 220 and impurity screening and bubble in housing 100.Housing 100 is provided with the inlet 112 that is communicated with cup 210 in the bottom of process chamber 200, housing 100 is provided with the cup liquid outlet 114 that is communicated with cup 210 and the rear chamber liquid outlet 122 that is communicated with rear chamber 220 in the top of process chamber 200.
In mentioned reagent filter 10, reagent is injected into the cup 210 of this reagent filter 10 from inlet 112, and the gas in cup 210 can be discharged from cup liquid outlet 114 with the injection of reagent.And reagent enters from the cup bottom, and the bubble that is conducive in reagent floats naturally, and after bubble broke, gas was discharged from cup liquid outlet 114, has reduced to a certain extent the number of bubbles of reagent in cup 210.In this simultaneously, filtration 300 can impurity screening and bubble, and reagent enters into rear chamber 220 by this filtration 300 from cup 210, and impurity and bubble in reagent are filtered.The reagent of finally discharging from rear chamber liquid outlet 122 in sum, is filtered out impurity and bubble simultaneously.
In the present embodiment, housing 100 comprises protecgulum 110 and bonnet 120.Protecgulum 110 becomes cup 210 with a gusset of filtration 300, and bonnet 120 surrounds rear chamber 220 with the opposite side of filtration 300.See also Fig. 3, the bottom of protecgulum 110 is provided with inlet 112, and the top is provided with cup liquid outlet 114.Protecgulum 110 also is provided with detent 116.Detent 116 be located at protecgulum 110 and bonnet 120 over against the surface and along the outer rim setting of cup 210, the link position of detent 116 location filtrations 300 and protecgulum 110.The top of bonnet 120 is provided with rear chamber liquid outlet 122.The bottom that inlet 112 is located at process chamber 200 is communicated with cup 210, and the top that cup liquid outlet 114 is located at process chamber 200 is communicated with cup 210.The top that rear chamber liquid outlet 122 is located at process chamber 200 is communicated with rear chamber 220.Inlet 112, cup liquid outlet 114 and rear chamber liquid outlet 122 are respectively equipped with the conduit (figure is mark not) with extraneous conducting, and conduit outer wall is provided with wedge shape projection (figure is mark not).
Process chamber 200 is divided into cup 210 and rear chamber 220.As shown in Figure 3, the two ends of cup 210 relatively dwindle with the middle part of cup 210, and the joining place employing round-corner transition that is dwindling.In the present embodiment, the cross section of cup 210 is the hexagon that shrink gradually at two ends, and the intersection on this hexagon adjacent both sides is round-corner transition.The cross section that is appreciated that cup 210 can also be the polygon of other contractions, and such as octagon, decagon etc. can be also ellipse of shrinking gradually of two ends etc.As shown in Figure 1, the diapire 212 of cup 210 is round-corner transition with the intersection of the sidewall 214 of cup 210.The two ends of rear chamber 220 also can be relatively dwindle with the middle part of rear chamber 220, and adopt round-corner transition (figure is mark) at the joining place that is dwindling.The cross section of rear chamber 220 is the hexagon that shrink gradually at two ends, and the intersection on this hexagon adjacent both sides is round-corner transition.The cross section that is appreciated that rear chamber 220 can also be the polygon of other contractions, such as octagon, decagon etc.The diapire 222 of rear chamber 220 is round-corner transition with the intersection of the sidewall 224 of rear chamber 220.Be appreciated that, when the cup 210 of process chamber 200 was designed to said structure, rear chamber 220 can also be other structures or shape, for example, the cross section of rear chamber 220 is rectangle, leg-of-mutton stereochemical structure, and the round-corner transition of rear chamber 220 can replace with common right angle.
See also Fig. 2, the filtration 300 of impurity screening and bubble is located in shell 100, comprises screen pack 310 and filter membrane 320.Screen pack 310 is the screen pack that intensity is large, precision is lower.Filter membrane 320 is the high-precision filtration film, and intensity is lower, can filter diameter at above impurity and the bubble of 3 microns, can be micropore filtering film or hydrophilic filter film etc.Common filter membrane for filter liquide all can use, cellulose acetate film for example, nitrocellulose membrane, nylon membrane etc., different materials filter membrane difference mainly is pore size filter and intensity, whether bubble easily passes through, because embodiments of the invention are that structural design by filter itself guarantees that the liquid that is filled in rear chamber does not have bubble, not high to the material requirements of filter membrane.Preferred screen pack 310 covers the both sides of filter membrane 320, can carry out preliminary filtration to reagent on the one hand, and diameter is filtered out at the impurity more than 120 microns and bubble, prevents that the filter bores of filter membrane 320 from being stopped up by impurity; On the other hand, by screen pack 310, filter membrane 320 is connected on shell 100,310 pairs of filter membranes 320 of screen pack play a supportive role.Be appreciated that screen pack 310 can omit, filter membrane 320 is directly connected on shell 100, perhaps screen pack 310 is between cup and filter membrane 320, play the effect of preliminary filtration and support filter membrane, perhaps screen pack 310 between rear chamber and filter membrane 320, supports filter membrane 320.
See also Fig. 2 and Fig. 4, the reagent filter 10 of the present embodiment also comprises seal membrane 400.Seal membrane 400 is located between filtration 300 and bonnet 120, and seal membrane 400 compresses filtration and be fixedly mounted in the detent 116 of protecgulum 110.In other embodiments, seal membrane 400 can also be located between filtration 300 and protecgulum 120.Seal membrane 400 is fixedly mounted on filtration 300 in housing 100 by compressing filtration 300.Simultaneously, seal membrane 400 also plays the effect of sealing, prevents that reagent between protecgulum 110 and bonnet 120, seepage occuring, and has strengthened the sealing of this reagent filter 10.Be appreciated that seal membrane 400 can omit, filtration 300 directly is bonded in housing 100.
Please participate in Fig. 2, the reagent filter 10 of the present embodiment also comprises securing member 500.Securing member 500 connects bonnet 120, seal membrane 400 and protecgulum 110.Securing member 500 compresses filtration 300 by seal membrane 400.Securing member 500 is screw, screw is threaded connection bonnet 120, seal membrane 400 and protecgulum 110 together, and filtration 300 is pressed abd fixed on it on protecgulum 110 by seal membrane 400, can realize the replacing to filtration 300, when filtering structure after 300 arrival life-spans, only need dismantle securing member 500, former filtration 300 is taken out from this reagent filter 10, then put in order new filtration 300 and again be fixed, last mounting fastener 500 gets final product, and operation is simple.Be appreciated that securing member 500 can also be buckle, rivet etc.Securing member 500 can omit, and is bonding or weld together between bonnet 120, seal membrane 400 and protecgulum 110.
See also Fig. 2 and Fig. 5, the reagent filter 10 of the present embodiment also comprises fixed head muscle 600.Fixed head muscle 600 is fixedly connected on an end of housing 100, and housing 100 is fixedly connected with or is suspended on extraneous supporter with extraneous supporter.
See also Fig. 1, reagent from bottom to top enters into the cup 210 of this reagent filter 10 from the inlet 112 that is positioned at the filter lower end, gas in cup 210 can be discharged from cup liquid outlet 114 with the injection of reagent, simultaneously because liquid has angle in the direction that flow direction and the liquid of cup flows through filtration, preferred 90 degree, the impurity and the bubble that are attached on filtration are easily taken away by liquid stream.And reagent enters from cup 210 lower ends, and the bubble that is conducive in reagent floats naturally, and after bubble broke, gas was discharged from cup liquid outlet 114, has reduced to a certain extent the number of bubbles of reagent in the cup, reduces the chance that gas enters rear chamber.When less demanding to the clean-up performance of reagent, reagent is discharged from cup liquid outlet 114 through cup 210, alleviates the burden of filter membrane 320.And, can impurity and the bubble of filtration 300 surface attachment be washed away, avoid the aperture of filtration 300 to stop up, filtration 300 was lost efficacy, improved 300 service lifes of filtration.The middle part of the relative cup 210 in the two ends of cup 210 dwindles, and is convenient to bubble and discharges with flowing of reagent.The discharge of the bubble of cup 210 has solved the foaming phenomenon of filter membrane 320 effectively.The foaming phenomenon is a specific character of filter membrane 320, refers to that filter membrane 320 gas when reaching certain pressure can pass through filter membrane 320, and forms the phenomenon of very mixed and disorderly minute bubbles, and this pressure is foaming pressure.In the situation that cup 210 exists more bubble residual, filter membrane 320 easily reaches foaming pressure, produces the foaming phenomenon, make rear chamber 220 form a large amount of bubbles, thereby the filter effect of bubble is filtered in impact.Cup 210 is by arranging round-corner transition, reagent is interior mobile at cup 210, the round-corner transition structural design avoids bubble to remain in the corner, more is conducive to bubble and discharges and avoid to produce new bubble with flowing of reagent, improves the filter effect of 300 pairs of bubbles of filtration.
When the clean-up performance of reagent was had relatively high expectations, reagent entered into rear chamber 220 by filtration 300 from cup 210.Filtration 300 filters out the impurity in reagent and bubble.And the gas before the inherent reagent in rear chamber 220 enters is discharged from entering from rear chamber liquid outlet 122 of reagent, without gas residue.Rear chamber 220 is provided with round-corner transition, and when being convenient to this filter and just having brought into use, the filter effect of the gases affect reagent filter 10 of rear chamber 220 is avoided in rear chamber 220 gases emptying.The reagent of finally discharging from rear chamber liquid outlet 122 is filtered out impurity and bubble simultaneously.
As shown in Figure 6, the reagent filter 20 of the second embodiment comprises the housing 700 that is provided with process chamber 800, is provided with the filtration 900 that process chamber 800 is divided into cup 810 and rear chamber 820 and impurity screening and bubble in housing 700.Housing 700 is provided with inlet 712 and is communicated with cup 810 in the bottom of process chamber 800, housing 700 is provided with the cup liquid outlet 722 that is communicated with cup 810 and the rear chamber liquid outlet 724 that is communicated with rear chamber 820 in the top of process chamber 800.
Mentioned reagent filter 20, reagent are injected into the cup 810 of this reagent filter 20 from inlet 712, the gas in cup 810 can be discharged from cup liquid outlet 722 with the injection of reagent.And reagent enters from the cup bottom, and the bubble in reagent floats naturally, and after bubble broke, gas was discharged from cup liquid outlet 722, has reduced to a certain extent the number of bubbles of reagent in cup 810.In this simultaneously, filtration 900 can impurity screening and bubble, and reagent enters into rear chamber 820 by this filtration 900 from cup 810, and impurity and bubble in reagent are filtered.The reagent of finally discharging from rear chamber liquid outlet 724 in sum, is filtered out impurity and bubble simultaneously.
In the present embodiment, housing 700 comprises cylindrical shell 710, lid 720 and mounting structure 730.Cylindrical shell 710 1 ends are provided with inlet 712, and the other end connects lid 720.Lid 720 is provided with cup liquid outlet 722 and rear chamber liquid outlet 724.Cylindrical shell 710 surrounds process chamber 800 with lid 720.Mounting structure 730 is connected with lid 720 and arranges over against rear chamber liquid outlet 724.Filtration 900 is arranged on mounting structure 730, and process chamber 800 is divided into cup 810 and rear chamber 820.Cup 810 is communicated with inlet 712 and cup liquid outlet 722 between filtration 900 and cylindrical shell 710.Rear chamber 820 is communicated with rear chamber liquid outlet 724 between filtration 900 and lid 720.Reagent enters from the inlet 712 with cup 810 conductings, the gas of cup 810 and the part bubble in reagent are got rid of from cup liquid outlet 722, chamber 820 after reagent enters through filtration 900 from the surrounding of rear chamber 820 is filtered structure 900 impurity screenings and bubble.The gas of rear chamber 820 is got rid of from rear chamber liquid outlet 724.Reagent is by while impurity screening and bubble.Gather near cup liquid outlet 722 for the ease of bubble floating, lid 720 and cylindrical shell 710 can be designed to tilted shape, or the two ends of cylindrical shell 710 dwindle at its middle part relatively, the junction is round-corner transition.Filtration 900 can adopt the structure identical with filtration 300, repeats no more.
In addition, also provide a kind of reagent filter method, comprised the steps:
The cup of the described process chamber of inlet input of the bottom of the process chamber that the housing with liquid to be filtered by the reagent filter surrounds;
Require low liquid by the cup liquid outlet output purity that is positioned at described process chamber top that is communicated with described cup;
Filter out after impurity in described liquid to be filtered and bubble to described rear chamber by the filtration that described process chamber is divided into cup and rear chamber;
By the demanding liquid of rear chamber liquid outlet output purity that is positioned at described process chamber top that is communicated with described rear chamber.
Further, describedly filter out after impurity in described liquid to be filtered and bubble in the step of described rear chamber by the filtration that described process chamber is divided into cup and rear chamber that screen pack by filtration carries out pre-filtering and the filter membrane by filtration filters described impurity and bubble.
Further, comprise that also structure that the middle part of the relative cup in two ends by described cup dwindles discharges the step of the bubble in liquid to be filtered in described cup.
Further, described cup adopts round-corner transition at the joining place that dwindles.
Because the mentioned reagent filter method is easier to understand in conjunction with the mentioned reagent filter, be not described in detail in this.
For simultaneously impurity screening and bubble, in other scheme, the reagent filter comprises the housing that is provided with process chamber, is provided with the filtration that process chamber is divided into cup and rear chamber and impurity screening and bubble in housing, and the middle part of the relative cup in two ends of cup dwindles.The middle part of the relative cup in two ends of cup dwindles, and is convenient to bubble and discharges with flowing of reagent.The discharge of the bubble of cup has solved the foaming phenomenon of filter membrane effectively.The foaming phenomenon is a specific character of filter membrane, refers to that filter membrane gas when reaching certain pressure can pass through filter membrane, and forms the phenomenon of very mixed and disorderly minute bubbles, and this pressure is foaming pressure.In the situation that cup exists more bubble residual, filter membrane easily reaches foaming pressure, produces the foaming phenomenon, makes rear chamber form a large amount of bubbles, thereby the filter effect of bubble is filtered in impact.The structure that the middle part of the relative cup in two ends of employing cup dwindles, inevitable requirement does not adopt the structure of two liquid outlets of an inlet, can also adopt an inlet, the structure of a liquid outlet and a gas outlet is as long as can discharge gas and the bubble of cup, for example, the cup upper end arranges a hole, uses the material of permeable watertight, for example the hydrophobicity teflon seal, the bubble that floats in cup reagent is discharged by this hole, and do not discharge reagent.
Round-corner transition is adopted at the joining place that dwindles in the two ends of cup.Cup is by arranging round-corner transition, and reagent flows in cup, and the round-corner transition structural design avoids bubble to remain in the corner, more is conducive to bubble and discharges and avoid to produce new bubble with flowing of reagent, improves filtration to the filter effect of bubble.
Concrete, similar with embodiment shown in Figure 3, the cross section of cup is the hexagon that shrink gradually at two ends, and the intersection on hexagon adjacent both sides is round-corner transition.The diapire of cup and the intersection of sidewall are round-corner transition.The cross section that is appreciated that cup can also be the polygon of other contractions, and such as octagon, decagon etc. can be also ellipse of shrinking gradually of two ends etc.Cup is the shape of two ends contraction and the design that is provided with round-corner transition, is convenient to bubble and discharges with flowing of reagent, avoids bubble to remain in cup, improves filtration to the filter effect of bubble.The discharge of the bubble of cup has simultaneously solved the foaming phenomenon of filter membrane effectively, avoids rear chamber to form a large amount of bubbles, thereby the filter effect of bubble is filtered in impact.
Because the structure of rear chamber is little on the filter effect impact of bubble and impurity, rear chamber can be adopted and the same or analogous structure of cup, also can adopt common circular cylinder or square cylinder structure.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.Should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (15)
1. reagent filter, comprise the housing that is provided with process chamber, it is characterized in that, be provided with the filtration that described process chamber is divided into cup and rear chamber and impurity screening and bubble in described housing, described housing is provided with the inlet that is communicated with described cup in the bottom of described process chamber, described housing is provided with the cup liquid outlet that is communicated with described cup and the rear chamber liquid outlet that is communicated with described rear chamber in the top of described process chamber.
2. reagent filter according to claim 1, is characterized in that, described filtration comprises screen pack and filter membrane, and described screen pack covers the one or both sides of described filter membrane.
3. reagent filter according to claim 1 and 2, is characterized in that, the middle part of the relatively described cup in the two ends of described cup dwindles, and/or the middle part of relatively described rear chamber, the two ends of described rear chamber dwindles.
4. reagent filter according to claim 3, is characterized in that, round-corner transition is adopted at the joining place that dwindles in described cup and/or rear chamber.
5. reagent filter according to claim 3, is characterized in that, the cross section of described cup and/or rear chamber is the hexagon that shrink gradually at two ends, and the intersection on described hexagon adjacent both sides is round-corner transition.
6. reagent filter according to claim 3, is characterized in that, the intersection of the diapire of described cup and the sidewall of described cup is round-corner transition, and/or the intersection of the sidewall of the diapire of described rear chamber and described rear chamber is round-corner transition.
7. reagent filter according to claim 1, it is characterized in that, described housing comprises protecgulum and bonnet, the surface of described protecgulum and be provided with the surface of detent or described bonnet and be provided with detent along the edge of described rear chamber along the outer rim of described cup, described filtration is positioned in described detent.
8. reagent filter according to claim 7, it is characterized in that, described reagent filter also comprises seal membrane, and described seal membrane is arranged on described filtration in described housing by compressing described filtration, and the described cup of seal isolation and described rear chamber.
9. reagent filter according to claim 8, it is characterized in that, described reagent filter also comprises securing member, and described securing member connects described bonnet, seal membrane and protecgulum, makes described seal membrane compress described filtration and be fixedly connected with described protecgulum and bonnet.
10. a reagent filter method, is characterized in that, comprises the steps:
The cup of the described process chamber of inlet input of the bottom of the process chamber that the housing with liquid to be filtered by the reagent filter surrounds;
Require low liquid by the cup liquid outlet output purity that is positioned at described process chamber top that is communicated with described cup;
Filter out after impurity in described liquid to be filtered and bubble to described rear chamber by the filtration that described process chamber is divided into cup and rear chamber;
By the demanding liquid of rear chamber liquid outlet output purity that is positioned at described process chamber top that is communicated with described rear chamber.
11. reagent filter method according to claim 10, it is characterized in that, describedly filter out after impurity in described liquid to be filtered and bubble in the step of described rear chamber by the filtration that described process chamber is divided into cup and rear chamber that screen pack by filtration carries out pre-filtering and the filter membrane by filtration filters described impurity and bubble.
12. reagent filter method according to claim 10 is characterized in that, comprises that also structure that the middle part of the relative cup in two ends by described cup dwindles discharges the step of the bubble in liquid to be filtered in described cup.
13. reagent filter method according to claim 12 is characterized in that, described cup adopts round-corner transition at the joining place that dwindles.
14. a reagent filter comprises the housing that is provided with process chamber, it is characterized in that, is provided with the filtration that described process chamber is divided into cup and rear chamber and impurity screening and bubble in described housing, the middle part of the relative cup in two ends of described cup dwindles.
15. reagent filter according to claim 14 is characterized in that, described cup adopts round-corner transition at the joining place that dwindles, and/or the intersection of the sidewall of the diapire of described cup and described cup is round-corner transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110337631.9A CN103083953B (en) | 2011-10-31 | 2011-10-31 | Reagent filter and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110337631.9A CN103083953B (en) | 2011-10-31 | 2011-10-31 | Reagent filter and method |
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| Publication Number | Publication Date |
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| CN103083953A true CN103083953A (en) | 2013-05-08 |
| CN103083953B CN103083953B (en) | 2015-08-19 |
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| CN201110337631.9A Active CN103083953B (en) | 2011-10-31 | 2011-10-31 | Reagent filter and method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2699913Y (en) * | 2004-04-09 | 2005-05-18 | 江苏苏云医疗器材有限公司 | Disposable liquor precised filter device for intravenous transfusion |
| US20050247627A1 (en) * | 1999-03-16 | 2005-11-10 | Pall Corporation | Biological fluid filter and system |
| CN2836819Y (en) * | 2005-08-04 | 2006-11-15 | 胡少白 | Fluid filter |
| CN201064590Y (en) * | 2007-03-15 | 2008-05-28 | 淄博中保康医疗器具有限公司 | Precision medicine liquid filter |
| CN201088751Y (en) * | 2007-06-22 | 2008-07-23 | 黄金钟 | Self-exhaust filter for infusion |
-
2011
- 2011-10-31 CN CN201110337631.9A patent/CN103083953B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050247627A1 (en) * | 1999-03-16 | 2005-11-10 | Pall Corporation | Biological fluid filter and system |
| CN2699913Y (en) * | 2004-04-09 | 2005-05-18 | 江苏苏云医疗器材有限公司 | Disposable liquor precised filter device for intravenous transfusion |
| CN2836819Y (en) * | 2005-08-04 | 2006-11-15 | 胡少白 | Fluid filter |
| CN201064590Y (en) * | 2007-03-15 | 2008-05-28 | 淄博中保康医疗器具有限公司 | Precision medicine liquid filter |
| CN201088751Y (en) * | 2007-06-22 | 2008-07-23 | 黄金钟 | Self-exhaust filter for infusion |
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| Publication number | Publication date |
|---|---|
| CN103083953B (en) | 2015-08-19 |
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Application publication date: 20130508 Assignee: Shenzhen Mindray Animal Medical Technology Co.,Ltd. Assignor: SHENZHEN MINDRAY BIO-MEDICAL ELECTRONICS Co.,Ltd. Contract record no.: X2022440020009 Denomination of invention: Reagent filtering device and method Granted publication date: 20150819 License type: Common License Record date: 20220804 |
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