CN103090050A - Liquid distributing valve and medical equipment with same - Google Patents
Liquid distributing valve and medical equipment with same Download PDFInfo
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- CN103090050A CN103090050A CN2011103375617A CN201110337561A CN103090050A CN 103090050 A CN103090050 A CN 103090050A CN 2011103375617 A CN2011103375617 A CN 2011103375617A CN 201110337561 A CN201110337561 A CN 201110337561A CN 103090050 A CN103090050 A CN 103090050A
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Abstract
The invention is applicable to the technical field of medical equipment and discloses a liquid distributing valve and medical equipment with the same. The liquid distributing valve comprises a fixed plate and a movable plate which can rotate or move relative to the fixed plate. A sample quantifying passage is reserved on the movable plate. A sample collecting passage and a sample conveying passage which can be communicated with the sample quantifying passage respectively when the movable plate rotates to different positions are reserved on the fixed plate. A washing groove which is capable of feeding detergent is reserved on the fixed plate or the movable plate. The washing groove is arranged on an end face where the fixed plate is attached with the movable plate and located on the periphery of the sample conveying passage or/and the sample collecting passage. The medical equipment is provided with the liquid distributing valve. The liquid distributing valve is low in manufacturing cost and high in equipment reliability, has no washing dead angle, and avoids cross contamination.
Description
Technical field
The invention belongs to the medical equipment technical field, relate in particular to a kind of liquid separatnig valve and have the medical equipment of this liquid separatnig valve.
Background technique
At present, liquid separatnig valve is as a kind of novel fluid measuring apparatus that adopts in domestic and international Medical Instruments, and it can connect intercepting multistage fluid sample at one time, realizes the accurate quantification of sample and distributes efficiently.Present liquid separatnig valve is as a minute blood valve, in measuring phase, divide the blood valve need to realize by continuous machinery action collection and the distribution of sample, action request divides the blood valve must have excellent abrasive resistance, corrosion resistance and lower thermal expansion coefficient frequently, and therefore a minute blood valve adopts stupalith to make usually.The blood valve had several forms in existing minute, but its principle is basically identical: valve block is divided into stator and moving plate, all adopt the combined type runner, accurately intercept and meter fluid by the volume duct of deciding on moving plate, change with machinery action that runner between stator and moving plate makes up to complete sampling and sample distributes.Carry out runner when switching and change the position at minute blood valve, the sample in stator and moving plate upper runner hole can be attached to the valve block surface, and these samples that adhere to are difficult to cleaning, and can pollute next sample.
The cleaning structure of existing minute blood valve mostly is the duct formula.Duct formula structure main feature is a large amount of ducts of design on stator and moving plate, when the relative stator rotation of moving plate, cleaning liquid in the stator duct is cleaned inswept zone, and the duct on moving plate and stator turns to when overlapping, and the cleaning liquid in the duct can be discharged.Cleaning structure is minute blood valve of duct formula, and its drill way layout is complicated, and causes difficult processing, manufacture cost high; Drill way layout is unreasonable, can not clean to greatest extent the surface of valve block, exists to clean the dead angle, causes minute blood valve to have the cross-contamination issue of sample.In addition, of the prior art minute blood valve, also there is the poor defective of sealing effect in it, if improper use can cause sepage between minute blood valve stator and moving plate, the normal use of impact minute blood valve.Although have scheme to avoid a minute blood valve sepage by increasing seal ring, this scheme has increased a minute blood valve arrangement complexity, the machinery action of stator and moving plate also can aggravate the wearing and tearing of seal ring, thereby has affected the whole service life of minute blood valve.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of liquid separatnig valve is provided and has had the medical equipment of this liquid separatnig valve, its liquid separatnig valve is simple in structure, be convenient to processing, low cost of manufacture, the cleaning tank design is ingenious, do not exist and clean the dead angle, can clean to greatest extent the surface of valve block, avoid producing the problem of cross pollution, equipment reliability is high.
technological scheme of the present invention is: a kind of liquid separatnig valve, comprise stator with can be relative to the rotation of described stator or the moving plate that moves, offer the quantitative passage of sample on described moving plate, offer when moving plate turns to diverse location sample collection passage and the sample transfer passage can be respectively connected with the quantitative passage of described sample on described stator, on described stator or moving plate, offer the cleaning tank that can pass into cleaning solution, described cleaning tank is arranged on the end face that described stator and moving plate fit, and described cleaning tank is positioned at described sample transfer passage or/and the periphery of sample collection passage.
Preferably, described stator is provided with two, and described moving plate is provided with one, and described moving plate rotating clip is located between described two stators, and described two stators relative bi-side fit with two end faces of moving plate respectively.
Particularly, described cleaning tank is opened on described stator, offers the feed pathway and the liquid outlet channel that are communicated in described cleaning tank on described stator.
More specifically, all offer feed pathway and the liquid outlet channel that is communicated in the cleaning tank on this stator on described two stators.
Perhaps, described feed pathway is opened on a stator wherein and is communicated in cleaning tank on this stator, described liquid outlet channel is opened on another stator and is communicated in cleaning tank on this stator, offers on described moving plate be used to the series connection via hole that is communicated with the cleaning tank on described two stators.
Particularly, described cleaning tank surrounds or partly surrounds in described sample transfer passage and sample collection passage peripheral, and described cleaning tank is closed circular or is notched ring-type.
Preferably, described sample transfer passage offers at least two, described cleaning tank comprises surrounding or partly surrounding in described sample transfer passage or/and the peripheral channel of sample collection passage and be used for surrounds peripheral channel in the zone of formation and is divided at least two subregional divider passages, and described divider passages is positioned at described peripheral channel and surrounds the zone of formation and be connected with described peripheral channel.
Particularly, the respectively corresponding sample collection passage of the quantitative passage of a described sample and a sample transfer passage are positioned at the same zoning that forms that separated by divider passages corresponding to sample collection passage and the sample transfer passage of the quantitative passage of same sample.
Particularly, the pressure in described cleaning tank is negative pressure.
Preferably, the distance between the edge of described cleaning tank and stator or moving plate is greater than 2mm; Distance between the edge of described cleaning tank and sample collection passage and sample transfer passage is greater than 2mm.
Particularly, the quantitative passage of described sample offers at least two, described sample collection road is used for the quantitative passage of each sample is joined and forms the passage chain, and the sample collection passage that is positioned at described passage chain one end is connected in sample, and the sample collection passage that is positioned at the described passage chain the other end is connected in sample suction pump.
The present invention also provides a kind of medical equipment, has above-mentioned liquid separatnig valve.
a kind of liquid separatnig valve provided by the invention and have the medical equipment of this liquid separatnig valve, its liquid separatnig valve is positioned at described sample transfer passage or/and the cleaning tank of sample collection passage periphery by offering, when the runner switching is carried out in the relative stator rotation of moving plate, the zone at cleaning tank is can be thoroughly inswept each passage place, the surface that is affixed to clean stator and moving plate, can clean to greatest extent the surface of valve block, no matter sample is toward which direction diffusion, all can be cleaned groove intercepts, thereby controlled to greatest extent the contaminated area on liquid separatnig valve surface, avoid generation to clean the dead angle, stopped the hidden danger of sample cross contamination, equipment reliability is high.And cleaning tank is simple in structure, is convenient to processing, low cost of manufacture.
Description of drawings
Fig. 1 is a kind of liquid separatnig valve that the embodiment of the present invention provides side-looking floor map when being in the sampling work state;
Fig. 2 is a kind of liquid separatnig valve that the embodiment of the present invention provides side-looking floor map when being in the sample presentation working state;
Fig. 3 is that a kind of cleaning tank that the embodiment of the present invention provides is the side-looking floor map of the liquid separatnig valve of parallel-connection structure;
Fig. 4 is that a kind of cleaning tank that the embodiment of the present invention provides is the side-looking floor map of the liquid separatnig valve of cascaded structure;
Fig. 5 is the floor map that a kind of cleaning tank that the embodiment of the present invention provides is stator in the liquid separatnig valve of closed circular;
Fig. 6 is the floor map that a kind of cleaning tank that the embodiment of the present invention provides is stator in the liquid separatnig valve of notched ring-type;
Fig. 7 is the floor map that a kind of cleaning tank that the embodiment of the present invention provides comprises stator in the liquid separatnig valve of divider passages;
Fig. 8 is the floor map of establishing stator in liquid separatnig valve jaggy in a kind of divider passages of providing of the embodiment of the present invention.
Embodiment
In order to make purpose of the present invention, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
As depicted in figs. 1 and 2, a kind of liquid separatnig valve that the embodiment of the present invention provides can be used for realizing accurate quantification and the efficient allocation of fluid sample, and fluid sample can be blood sample etc., and correspondingly, above-mentioned liquid separatnig valve can be used as minute blood valve etc.Above-mentioned liquid separatnig valve comprise stator 200 with can be relative to 200 rotations of described stator or the moving plate 100 that moves, offer the quantitative path 10 1 of sample on described moving plate 100, offer when moving plate 100 turns to diverse location sample collection passage 201 and the sample transfer passage 202 can be respectively connected with the quantitative path 10 1 of described sample on described stator 200.When the relative stator 200 of moving plate 100 turns to suitable position, as shown in Figure 1, liquid separatnig valve is in the sampling work state, the quantitative path 10 1 of sample is connected with sample collection passage 201, sample can suck the quantitative path 10 1 of sample by sample collection passage 201, the quantitative path 10 1 of sample can be offered a plurality of, at one time interior intercepting multistage fluid sample; When the relative stator 200 of moving plate 100 turns to another suitable position, as shown in Figure 2, liquid separatnig valve is in the sample presentation working state, the quantitative path 10 1 of sample and 202 conductings of sample transfer passage, sample in the quantitative path 10 1 of sample this moment can be transferred out by sample transfer passage 202, and particularly, wherein the sample transfer passage 202 on a stator 200 is connected with sample presentation pump 410, so that sample is exported from liquid separatnig valve, realized the accurate quantification of sample and distributed efficiently.Additionally, also moving plate 100 can be slided is attached on stator 200, also can realize accurate quantification and the efficient allocation of fluid sample by mobile moving plate 100.
As Fig. 1～shown in Figure 5, on described stator 200 or moving plate 100, offer the cleaning tank 210 that can pass into cleaning solution, with reference to figure 1 and Fig. 2, heavy line in figure is cleaning tank 210, described cleaning tank 210 is arranged on the end face that described stator 200 and moving plate 100 fit, and described cleaning tank 210 is positioned at described sample transfer passage 202 or/and the periphery of sample collection passage 201.by cleaning tank 210 is arranged at sample transfer passage 202 or/and the periphery of sample collection passage 201, when the passage switching is carried out in relative stator 200 rotations of moving plate 100, the zone at cleaning tank 210 is can be thoroughly inswept each passage place, the surface that is affixed to clean stator 200 and moving plate 100, can clean to greatest extent the surface of valve block, no matter sample is toward which direction diffusion, all can be cleaned groove 210 intercepts, thereby controlled to greatest extent the contaminated area on liquid separatnig valve surface, avoid generation to clean the dead angle, stopped the hidden danger of sample cross contamination, equipment reliability is high.And cleaning tank 210 is simple in structure, is convenient to processing, low cost of manufacture.Cleaning way in the quantitative path 10 1 of sample transfer passage 202, sample collection passage 201 and sample is for to inject cleaning solution in each corresponding pipeline.
Preferably, in the present embodiment, described stator 200 is provided with two, described moving plate 100 is provided with one, described moving plate 100 rotating clips are located between described two stators 200, the relative bi-side of described two stators 200 fit with two end faces of moving plate 100 respectively, good sealing effect, and structural reliability is high.Additionally, a stator 200 and a moving plate 100 can only be set also, it also can realize the function of separatory.Perhaps, also can the quantity of stator 200 and moving plate 100 be set according to actual conditions, the setting that can be superimposed of three stators 200 and 100, three stators 200 of two moving plates and two moving plates 100 for example is set, all belong to protection scope of the present invention.
Perhaps, as an alternative, two stators 200 can be one-body molded, and by offering the containing groove for accommodating moving plate 100 thereon, moving plate 100 rotates and is arranged in containing groove, also belongs to protection scope of the present invention.
Particularly, as Fig. 1, Fig. 2 and shown in Figure 5, described cleaning tank 210 is opened on described stator 200 and is positioned on the one side that described stator 200 and moving plate 100 be affixed, offer the feed pathway 220 and the liquid outlet channel 230 that are communicated in described cleaning tank 210 on described stator 200, cleaning solution flows into cleaning tank 210 and flows out from liquid outlet channel 230 from feed pathway 220.Like this, in the process of relative stator 200 rotations of moving plate 100, cleaning liquid can be realized rinsing action constantly in the interior circulation of cleaning tank 210, is conducive to improve the effect of cleaning, has further stopped the hidden danger of sample cross contamination.
Particularly, as Fig. 1～shown in Figure 3, all offer feed pathway 220 and the liquid outlet channel 230 that is communicated in the cleaning tank 210 on this stator 200 on described two stators 200.As shown in Figure 3, the cleaning tank 210 of offering on the cleaning tank 210 of offering on left side stator 200 and the right stator 200 adopts separate parallel-connection structure; The feed pathway 220 that left side stator 200 is offered and liquid outlet channel 230 are connected with cleaning tank 210 on this stator 200, and the feed pathway 220 that the right stator 200 is offered and liquid outlet channel 230 are connected with cleaning tank 210 on this stator 200.In Fig. 3, the heavy line position is cleaning tank 210 and feed pathway 220, liquid outlet channel 230.Cleaning tank 210 on left and right two stators 200 can work alone respectively, and cleaning efficiency is higher, and cleaning performance is also better, has further stopped the hidden danger of sample cross contamination.
Perhaps, replacement scheme as above-mentioned parallel-connection structure, as Fig. 1, Fig. 2 and shown in Figure 4, described feed pathway 220 is opened on a stator 200 wherein and is communicated in cleaning tank 210 on this stator 200, described liquid outlet channel 230 is opened on another stator 200 and is communicated in cleaning tank 210 on this stator 200, offers on described moving plate 100 be used to the series connection via hole 240 that is communicated with the cleaning tank 210 on described two stators 200.Cleaning tank 210 on left side stator 200 is connected by the series connection via hole 240 that is opened on moving plate 100 with cleaning tank 210 on the right stator 200, thereby forms in-line structure, such design simplification pipeline structure.In Fig. 4, the heavy line position is cleaning tank 210, series connection via hole 240 and feed pathway 220, liquid outlet channel 230.In the present embodiment, feed pathway 220 is opened on the stator 200 on the left side, liquid outlet channel 230 is opened on the stator 200 on the right, the cleaning tank 210 that cleaning solution flows on left side stator 200 from the feed pathway 220 on left side stator 200, then the cleaning tank 210 from the left side stator 200 flow to cleaning tank 210 on the stator 200 of the right by series connection via hole 240, last liquid outlet channel 230 from the right stator 200 again flows out, and also can clean stator 200 and moving plate 100.
Particularly, as Fig. 1, Fig. 2 and Fig. 5, shown in Figure 6, described cleaning tank 210 surrounds or partly surrounds in described sample transfer passage 202 and sample collection passage 201 peripheries, and described cleaning tank 210 is closed circular or is notched ring-type.As shown in Figure 5, cleaning tank 210 is closed circular, and sample transfer passage 202 and sample collection passage 201 on stator 200 all are positioned at the zone that cleaning tank 210 surrounds; Feed pathway 220 and liquid outlet channel 230 all directly are communicated with cleaning tank 210, feed pathway 220 and liquid outlet channel 230 can be divided into two sections with cleaning tank 210, the resistance of its two sections cleaning tanks 210 is suitable, cleaning solution can be equably 230 flows from two sections cleaning tanks 210 to liquid outlet channel, is conducive to improve cleaning performance.
When relative stator 200 rotations of moving plate 100, cleaning tank 210 just can rinse the surface that stator 200 and moving plate 100 are affixed comprehensively, and cleaning performance is good, does not clean the dead angle.Perhaps, as shown in Figure 6, cleaning tank 210 can be notched ring-type, feed pathway 220 and liquid outlet channel 230 lay respectively at two ends or the vicinity, two ends of cleaning tank 210, the size of breach can be set to less, feed pathway 220 can be near the starting point or starting point of cleaning tank 210, and liquid outlet channel 230 can be near the terminal point or terminal point of cleaning tank 210, and the distance between feed pathway 220 and liquid outlet channel 230 and liquid outlet channel 230 can arrange very closely.In concrete the application, the position of offering of the shape of cleaning tank 210 and feed pathway 220 and liquid outlet channel 230 can be decided according to actual conditions, all belongs to protection scope of the present invention.Like this, all sample transfer passages 202 and sample collection be logical all to be cleaned groove 210 and to surround, and no matter the sample in sample transfer passage 202 and sample collection passage 201 can be cleaned groove 210 obstructs to which direction diffusion, cleaning performance is good, avoids generation to clean the dead angle.
Particularly, as Fig. 1, Fig. 2 and shown in Figure 7, described sample transfer passage 202 offers at least two, described cleaning tank 210 comprises surrounding or partly surrounding in described sample transfer passage 202 or/and the peripheral channel 211 of sample collection passage 201 and be used for surrounds peripheral channel 211 in the zone of formation and is divided at least two subregional divider passages 212, described divider passages 212 is positioned at described peripheral channel 211 and surrounds the zone of formation and be connected with described peripheral channel 211, with the region separation of peripheral channel 211 formation at least two zonings.The quantity of divider passages 212 and layout can be decided according to actual conditions, all belong to protection scope of the present invention.In concrete the application, an end of divider passages 212 can be communicated on peripheral channel 211, perhaps the two ends with divider passages 212 are connected on peripheral channel 211.As shown in Figure 8, can also on divider passages 212, breach etc. be set, all belong to protection scope of the present invention.The position of feed pathway 220 and liquid outlet channel 230 can be arranged on peripheral channel 211 or divider passages 212, also can be located at respectively on peripheral channel 211 and divider passages 212, all belongs to protection scope of the present invention.As shown in Figure 8, the position of feed pathway 220 and liquid outlet channel 230 is arranged at respectively the place, two ends of breach on divider passages 212.Divider passages 212 can separate sample collection passage 201 and the sample transfer passage 202 of quantitative path 10 1 correspondence of different samples one by one, and cleaning performance is better, has further stopped the cross pollution between different sample channel.
Particularly, as Fig. 1, Fig. 2 and shown in Figure 7, the quantitative path 10 of a described sample 1 a respectively corresponding sample collection passage 201 and sample transfer passage 202 is positioned at the same zoning that forms that separated by divider passages 212 corresponding to sample collection passage 201 and the sample transfer passage 202 of the quantitative path 10 1 of same sample.Like this, divider passages 212 separates sample collection passage 201 and the sample transfer passage 202 of quantitative path 10 1 correspondence of different samples one by one, and cleaning performance is better, has further stopped the cross pollution between different sample channel.
Particularly, as Fig. 1, Fig. 2 and shown in Figure 7, the quantitative path 10 1 of described sample offers at least two, described sample collection road is used for the quantitative path 10 1 of each sample is joined and forms the passage chain, the sample collection passage 201 that is positioned at described passage chain one end is connected in sample, and the sample collection passage 201 that is positioned at the described passage chain the other end is connected in sample suction pump 420.In the present embodiment, the quantitative path 10 1 of sample is provided with two, the corresponding sample collection passage 201 that is communicated with for the quantitative path 10 1 of these two samples that is provided with on left side stator 200 is provided with two sample collection passages 201 that can be connected with the quantitative path 10 1 of sample on the stator 200 on the right.The stator 200 on left and right both sides is provided with two sample transfer passages 202 that can be communicated with the quantitative path 10 1 of sample.The coaxial setting of sample collection passage 201 on the stator 200 on left and right both sides, the coaxial setting of sample transfer passage 202 on the stator 200 on left and right both sides, when moving plate 100 rotated the position of setting, the quantitative path 10 1 of the sample on moving plate 100 can be communicated with sample collection passage 201, sample transfer passage 202 respectively.When the relative stator 200 of moving plate 100 turns to correct position, the two ends of the quantitative path 10 1 of sample respectively with left side stator 200 on sample collection passage 201 and the sample collection passage on the right stator 200 201 connect.in the present embodiment, two sample collection passages 201 on left side stator 200 are connected, so that two quantitative path 10s 1 of sample are connected, one end of two sample collection passages 201 on the stator 200 of the right is connected to the quantitative path 10 1 of sample, the other end is connected to sample and sample suction pump 420, thereby sample can be sucked the quantitative path 10 1 of sample by sample collection passage 201, complete quantitative sampling, then rotate moving plate 100, the quantitative path 10 1 of sample and sample transfer passage 202 are connected, under the effect of sample presentation pump 410, sample in the quantitative path 10 1 of sample can be exported from liquid separatnig valve, realized the accurate quantification of sample and distributed efficiently.
Particularly, as Fig. 1, Fig. 2 and shown in Figure 5, pressure in described cleaning tank 210 is negative pressure, can effectively prevent the bad phenomenon such as generation sepage between stator 200 and moving plate 100, can guarantee that also the cleaning solution in cleaning tank 210 can not ooze to the quantitative path 10 1 of sample collection passage 201, sample transfer passage 202 or sample, reliability is high.In concrete the application, can connect negative pressure generator on liquid outlet channel 230, negative pressure generator can be air pump etc., all belongs to protection scope of the present invention.If cleaning tank 210 maintains under barotropic state for a long time, can cause the outside sepage of cleaning tank 210, thereby affect sample collection passage 201, the quantitative path 10 1 of sample and sample transfer passage 202.
Preferably, as Fig. 1, Fig. 2 and shown in Figure 5, the distance between the edge of described cleaning tank 210 and stator 200 and moving plate 100 is greater than 2mm, and the distance between the edge of described cleaning tank 210 and sample collection passage 201 and sample transfer passage 202 is greater than 2mm.Like this, can satisfy the requirement of minimum sealant band width.Cleaning tank 210 need to satisfy certain required distance with the edge of stator 200 or moving plate 100, and also must satisfy certain required distance between cleaning tank 210 and all sample collection passages 201 and sample transfer passage 202, in the present embodiment, distance between the edge of the distance between the edge of cleaning tank 210 and stator 200 and moving plate 100, cleaning tank 210 and sample collection passage 201 and sample transfer passage 202, these two distances are called sealant band width.Sealant band width is too small, can cause the outside sepage of liquid separatnig valve, also can have influence on sample collection passage 201 and sample transfer passage 202.By such design, can guarantee liquid-impermeable between stator 200 and moving plate 100, and need not again the additional designs seal ring, stator 200 and moving plate 100 are sealed, simplified the structure of liquid separatnig valve, can smoothly relatively rotate between stator 200 and moving plate 100, owing to need not to arrange seal ring between stator 200 and moving plate 100, therefore stopped the hidden danger of ring wear, be conducive to extend the working life of product.In concrete the application; distance between the edge of the distance between the edge of described cleaning tank 210 and stator 200 and moving plate 100 and cleaning tank 210 and sample collection passage 201 and sample transfer passage 202 all can be set according to actual conditions, all belongs to protection scope of the present invention.
The embodiment of the present invention also provides a kind of medical equipment, and described medical equipment have above-mentioned liquid separatnig valve.Medical equipment can be blood cell analyzers etc., above-mentioned liquid separatnig valve can be used for realizing accurate quantification and the efficient allocation of blood sample, by offering cleaning tank 210, described cleaning tank 210 is arranged on the end face that described stator 200 and moving plate 100 fit, and described cleaning tank 210 is positioned at described sample transfer passage 202 or/and the periphery of sample collection passage 201.by cleaning tank 210 is arranged at sample transfer passage 202 or/and the periphery of sample collection passage 201, when the runner switching is carried out in relative stator 200 rotations of moving plate 100, the zone at cleaning tank 210 is can be thoroughly inswept each passage place, the surface that is affixed to clean stator 200 and moving plate 100, can clean to greatest extent the surface of valve block, no matter sample is toward which direction diffusion, all can be cleaned groove 210 intercepts, thereby controlled to greatest extent the contaminated area on liquid separatnig valve surface, avoid generation to clean the dead angle, stopped the hidden danger of sample cross contamination, equipment reliability is high.And cleaning tank 210 is simple in structure, is convenient to processing, low cost of manufacture.Cleaning way in the quantitative path 10 1 of sample transfer passage 202, sample collection passage 201 and sample is for to inject cleaning solution in each corresponding pipeline.
Further, described cleaning tank 210 comprises that the zone of surrounding or partly surrounding in the peripheral channel 211 of described sample transfer passage 202 and sample collection passage 201 and be used for peripheral channel 211 is surrounded formation is divided at least two subregional divider passages 212, described divider passages 212 is positioned at described peripheral channel 211 and surrounds the zone of formation and be connected with described peripheral channel 211, with the region separation of peripheral channel 211 formation at least two zonings.Divider passages 212 can separate sample collection passage 201 and the sample transfer passage 202 of quantitative path 10 1 correspondence of different samples one by one, and cleaning performance is better, has further stopped the cross pollution between different sample channel.
Further, be set to negative pressure state by the pressure in cleaning tank 210, and make distance between the edge of described cleaning tank 210 and stator 200 and moving plate 100 greater than 2mm, the distance between the edge of described cleaning tank 210 and sample collection passage 201 and sample transfer passage 202 is also greater than 2mm.By such design, can guarantee the liquid separatnig valve liquid-impermeable, and need not again the additional designs seal ring, stator 200 and moving plate 100 are sealed, simplified the structure of liquid separatnig valve, can smoothly relatively rotate between stator 200 and moving plate 100, owing to need not to arrange seal ring between stator 200 and moving plate 100, therefore stopped the hidden danger of ring wear, be conducive to extend the working life of product.
The above is only preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces or improvement etc., within all should being included in protection scope of the present invention.
Claims (12)
1. liquid separatnig valve, comprise stator with can be relative to the rotation of described stator or the moving plate that moves, offer the quantitative passage of sample on described moving plate, offer when moving plate turns to diverse location sample collection passage and the sample transfer passage can be respectively connected with the quantitative passage of described sample on described stator, it is characterized in that, on described stator or moving plate, offer the cleaning tank that can pass into cleaning solution, described cleaning tank is arranged on the end face that described stator and moving plate fit, and described cleaning tank is positioned at described sample transfer passage or/and the periphery of sample collection passage.
2. liquid separatnig valve as claimed in claim 1, it is characterized in that, described stator is provided with two, and described moving plate is provided with one, described moving plate rotating clip is located between described two stators, and described two stators relative bi-side fit with two end faces of moving plate respectively.
3. liquid separatnig valve as claimed in claim 2, is characterized in that, described cleaning tank is opened on described stator, offers the feed pathway and the liquid outlet channel that are communicated in described cleaning tank on described stator.
4. liquid separatnig valve as claimed in claim 3, is characterized in that, all offers feed pathway and the liquid outlet channel that is communicated in the cleaning tank on this stator on described two stators.
5. liquid separatnig valve as claimed in claim 3, it is characterized in that, described feed pathway is opened on a stator wherein and is communicated in cleaning tank on this stator, described liquid outlet channel is opened on another stator and is communicated in cleaning tank on this stator, offers on described moving plate be used to the series connection via hole that is communicated with the cleaning tank on described two stators.
6. liquid separatnig valve as described in any one in claim 1 to 5, is characterized in that, described cleaning tank surrounds or partly surround in described sample transfer passage and sample collection passage peripheral, and described cleaning tank is closed circular or is notched ring-type.
7. liquid separatnig valve as described in any one in claim 1 to 5, it is characterized in that, described sample transfer passage offers at least two, described cleaning tank comprises surrounding or partly surrounding in described sample transfer passage or/and the peripheral channel of sample collection passage and be used for surrounds peripheral channel in the zone of formation and is divided at least two subregional divider passages, and described divider passages is positioned at described peripheral channel and surrounds the zone of formation and be connected with described peripheral channel.
8. liquid separatnig valve as claimed in claim 7, it is characterized in that, the respectively corresponding sample collection passage of the quantitative passage of a described sample and a sample transfer passage are positioned at the same zoning that forms that separated by divider passages corresponding to sample collection passage and the sample transfer passage of the quantitative passage of same sample.
9. liquid separatnig valve as described in any one in claim 1 to 5, is characterized in that, the pressure in described cleaning tank is negative pressure.
10. liquid separatnig valve as described in any one in claim 1 to 5, is characterized in that, the distance between the edge of described cleaning tank and stator or moving plate is greater than 2mm; Distance between the edge of described cleaning tank and sample collection passage and sample transfer passage is greater than 2mm.
11. liquid separatnig valve as described in any one in claim 1 to 5, it is characterized in that, the quantitative passage of described sample offers at least two, described sample collection road is used for the quantitative passage of each sample is joined and forms the passage chain, the sample collection passage that is positioned at described passage chain one end is connected in sample, and the sample collection passage that is positioned at the described passage chain the other end is connected in sample suction pump.
12. medical equipment is characterized in that, have liquid separatnig valve as described in any one in claim 1 to 11.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111886489A (en) * | 2019-11-18 | 2020-11-03 | 深圳迈瑞生物医疗电子股份有限公司 | Sample analyzer and sample analyzing method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4152391A (en) * | 1977-12-16 | 1979-05-01 | Coulter Electronics, Inc. | Liquid transfer valve |
| US4957008A (en) * | 1988-12-28 | 1990-09-18 | Coulter Electronics, Inc. | Fluid sampling and transfer valve assembly |
| CN1052188A (en) * | 1989-11-30 | 1991-06-12 | 科特电子公司 | Liquid measure and transmission valve group |
| CN1094513A (en) * | 1993-02-17 | 1994-11-02 | 东亚医用电子株式会社 | Sampling valve |
| CN101529243A (en) * | 2006-10-26 | 2009-09-09 | 贝克曼考尔特公司 | Apparatus for aspirating and dispensing liquids in an automated analyzer |
| CN102171500A (en) * | 2008-10-02 | 2011-08-31 | 辉瑞大药厂 | Rotary supply joint, rotary timing valve and product handling apparatus |
-
2011
- 2011-10-31 CN CN201110337561.7A patent/CN103090050B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4152391A (en) * | 1977-12-16 | 1979-05-01 | Coulter Electronics, Inc. | Liquid transfer valve |
| US4957008A (en) * | 1988-12-28 | 1990-09-18 | Coulter Electronics, Inc. | Fluid sampling and transfer valve assembly |
| CN1052188A (en) * | 1989-11-30 | 1991-06-12 | 科特电子公司 | Liquid measure and transmission valve group |
| CN1094513A (en) * | 1993-02-17 | 1994-11-02 | 东亚医用电子株式会社 | Sampling valve |
| CN101529243A (en) * | 2006-10-26 | 2009-09-09 | 贝克曼考尔特公司 | Apparatus for aspirating and dispensing liquids in an automated analyzer |
| CN102171500A (en) * | 2008-10-02 | 2011-08-31 | 辉瑞大药厂 | Rotary supply joint, rotary timing valve and product handling apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111886489A (en) * | 2019-11-18 | 2020-11-03 | 深圳迈瑞生物医疗电子股份有限公司 | Sample analyzer and sample analyzing method |
| CN111886489B (en) * | 2019-11-18 | 2024-04-19 | 深圳迈瑞生物医疗电子股份有限公司 | Sample analyzer and sample analysis method |
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| CN103090050B (en) | 2015-06-17 |
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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: Dispensing valve and medical equipment having the same Granted publication date: 20150617 License type: Common License Record date: 20220804 |
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