CN203688436U - Miniature cuvette - Google Patents

Miniature cuvette Download PDF

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Publication number
CN203688436U
CN203688436U CN201320743978.8U CN201320743978U CN203688436U CN 203688436 U CN203688436 U CN 203688436U CN 201320743978 U CN201320743978 U CN 201320743978U CN 203688436 U CN203688436 U CN 203688436U
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CN
China
Prior art keywords
slit
district
optical measurement
protected location
width
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Expired - Fee Related
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CN201320743978.8U
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Chinese (zh)
Inventor
王程
熊志勇
席再军
赵小智
王卉
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Delbio Inc
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Delbio Inc
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Abstract

The utility model provides a miniature cuvette which comprises a body, wherein slits are formed in the body; the slits are communicated with an inlet slit and an outlet slit formed in the opposite side of the body; the slits include a drainage area slit, an optical measurement area slit and a protective area slit; the drainage area slit is directly communicated with the inlet slit, the optical measurement area slit and the protective area slit; at least one part of the protective area slit goes around the optical measurement area slit and is communicated with the outlet slit; the width of the drainage area slit is not larger than the width of the optical measurement area slit; and the width of the protective area slit is larger than the width of the optical measurement area slit. The miniature cuvette is convenient to use and is a droppable cuvette, and factors which possibly influence the measurement result can be reduced.

Description

Miniature cuvette
Technical field
The utility model relates to a kind of cuvette, particularly relates to a kind of micro-optical cuvette of measuring micro liquid sample.
Background technology
Cuvette is a kind of in order to contain the container of load sample product, penetrated cuvette contain the transmission region that has carried sample with light, by measuring penetrability, calculates the concentration of special component in sample.Traditional cuvette is to adopt glass material, so cost is higher, can be repeatedly used.Therefore, traditional cuvette, after using, need to clean, and need to clean thoroughly to keep clean and transparent to transmission region, can not have the residual of any dirt, soft flocks, and unavailable hand touch to avoid the residual of fingerprint and cause affect next return measurement result.In the time that a large amount of samples are measured, with regard to the multiple cuvettes of needs or repeatedly clean, thereby affect the efficiency of measurement.If cuvette cleans after using thoroughly, can affect because remaining in material in cuvette the measurement result of next time.
For addressing the above problem, current cuvette is to adopt disposable design.Cuvette has sample introduction slit and measurement zone slit, and the width of sample introduction slit is less than the width of measurement zone slit, by capillary force, sample is drawn in the slit of measurement zone by sample introduction slit.Current cuvette has a problem in the use, and after sample is written into, measurement zone slit is often understood gassing.In the time that bubble appears in the measurement zone of cuvette, can be very difficult to bubble removal.Because the bubble of measurement zone can have a strong impact on measurement result, so cuvette must waste treatment and re-started sampling with new cuvette.In addition,, in practical operation, after carrying out sample sampling with cuvette, have the action of wiping injection port to wipe the sample that remains in injection port place away.Due to the capillary action of cleansing tissue, the sample in the slit of measurement zone is easily taken out of by injection port along with cleansing tissue, and after sample taken out of, easily produces bubble in measurement zone, and then affects measurement result.
Therefore, need at present a kind of miniature cuvette, it does not reduce the inconvenience that traditional cuvette uses only, more can solve the problem of the disposable cuvette existence of current use.
Utility model content
Fundamental purpose of the present utility model is to provide a kind of miniature cuvette, and it is disposable cuvette, and can solve the problem of the disposable cuvette existence of current use, can reduce the factor that can affect measurement result.
Miniature cuvette of the present utility model has a body, has slit in body, and slit is communicated with an exit slit with an entrance slit that is positioned at body offside, and wherein, slit comprises: a drainage district slit; One optical measurement district slit; An and protected location slit; wherein; drainage district slit is directly communicated with entrance slit, optical measurement district slit and protected location slit; protected location slit is communicated with around optical measurement district slit and with exit slit at least partly; the width of drainage district slit is not more than the width of optical measurement district slit, and the width of protected location slit is greater than the width of optical measurement district slit.
According to the utility model one embodiment, protected location slit is at least partly between entrance slit, drainage district slit and optical measurement district slit.
According to the utility model one embodiment, protected location slit is communicated with drainage district slit and around optical measurement district slit.
According to another embodiment of the utility model, slit comprises multiple protected locations slit, and at least one protected location slit is between entrance slit, drainage district slit and optical measurement district slit.
According to the utility model one embodiment, optical measurement district also comprises a clear area, and wherein clear area can be positioned at the part of optical measurement district slit or the entirety of optical measurement district slit, and the transparency in optical measurement district is higher than other parts of body.
According to the utility model one embodiment, the width of drainage district slit is 0.1mm~0.3mm, and the width of optical measurement district slit is 0.1mm~0.3mm, and the width of protected location slit is 0.2mm~0.4mm.
The making material of miniature cuvette of the present utility model can adopt any material that is applicable to make cuvette, as hydrophilic transparent optical polystyrene (Polystyrene, and polymethylmethacrylate (Poly (methyl methacrylate), PMMA) PS).According to the utility model one embodiment, the structure that miniature cuvette is formed in one.Sheet metal in the mould adopting in miniature cuvette moulding the corresponding position that forms clear area in optical measurement district can carry out polishing, increase the transparency of the clear area of the miniature cuvette after forming, be beneficial to measuring beam and pass through.
The miniature cuvette structure the utility model proposes is utilized capillarity; because capillary force and slit width are inversely proportional to; by adjusting the slit width of zones of different; make the capillary force of drainage district slit be not less than optical measurement district slit, the capillary force of protected location slit is less than optical measurement district slit.Therefore,, importing in the process of sample, because of the effect of capillary force, the speed of sample filling in optical measurement district slit, so the air in optical measurement district slit can be pushed to the slit of protected location, then is discharged in the external world by exit slit.Even there is air to remain in the slit of cuvette, bubble also can be present in the slit of protected location, and can be at optical measurement district slit, can avoid like this bubble to exert an influence to measurement result.Another function of protected location slit is; after cuvette has sampled during with cleansing tissue wiping; the capillary action of cleansing tissue can be taken the sample segment in slit out of; sample in the slit of protected location can first be taken out of; can avoid sample in the slit of measurement zone easily along with cleansing tissue is taken out of by entrance slit, and then guarantee the correctness of measurement result.
Accompanying drawing explanation
For feature of the present utility model, advantage and embodiment can be become apparent, appended the description of the drawings is as follows:
Figure 1A illustrates the front elevation of the miniature cuvette of the utility model one embodiment;
Figure 1B illustrates the miniature cuvette of the utility model one embodiment along the cut-open view of A-A hatching line;
Fig. 1 C illustrates the top view of the miniature cuvette of the utility model one embodiment;
Fig. 1 D illustrates the lower view of the miniature cuvette of the utility model one embodiment;
Fig. 2 A illustrates the front elevation of the miniature cuvette of another embodiment of the utility model;
Fig. 2 B illustrates the miniature cuvette of another embodiment of the utility model along the cut-open view of B-B hatching line;
Fig. 2 C illustrates the top view of the miniature cuvette of another embodiment of the utility model;
Fig. 2 D illustrates the lower view of the miniature cuvette of another embodiment of the utility model;
Fig. 3 A illustrates the front elevation of the miniature cuvette of the another embodiment of the utility model;
Fig. 3 B illustrates the miniature cuvette of the another embodiment of the utility model along the cut-open view of C-C hatching line;
Fig. 3 C illustrates the top view of the miniature cuvette of the another embodiment of the utility model;
Fig. 3 D illustrates the lower view of the miniature cuvette of the another embodiment of the utility model.
Embodiment
In order to make narration of the present invention more detailed and complete, below will and describe in detail with accompanying drawing and know explaination embodiment of the present utility model and specific embodiment; But this not implements or uses unique form of the utility model specific embodiment.Disclosed each embodiment below can mutually combine or replace under useful situation, also can add in one embodiment other embodiment, and need not further record or illustrate.
Fundamental purpose of the present utility model is to provide a kind of miniature cuvette, and it is disposable cuvette, has the advantages such as the sample of need amount is little, easy to use.In addition, according to the structural design of miniature cuvette provided by the utility model, can reduce when sampling optical measurement district gassing may and sample sampled after during with cleansing tissue wiping, avoid the sample in the slit of measurement zone to be taken out of by cleansing tissue, and then affect measurement result.In addition, the structural design of miniature cuvette can be avoided the generation of optics measurement zone disturbing factor in the time being made into integrated formed structure.
Below enumerate several embodiment with elaboration method of the present utility model more, so its use for illustrating only, not in order to limit the utility model, protection domain of the present utility model is when being as the criterion with the scope that appending claims was defined.
Please refer to Figure 1A, Fig. 1 C and Fig. 1 D, it illustrates respectively front elevation, top view and the lower view of the miniature cuvette 100 of the utility model one embodiment.Please refer to Figure 1A, miniature cuvette 100 has a body 110 and a handle portion 112, have slit 120, entrance slit 130 and exit slit 140, and slit 120 comprises: a drainage district slit 122 in body; One optical measurement district slit 124; An and protected location slit 126.Wherein, drainage district slit 122 is directly communicated with entrance slit 130, optical measurement district slit 124 and protected location slit 126; protected location slit 126 is communicated with around optical measurement district slit 124 and with exit slit 140 at least partly; the width of drainage district slit 122 is not more than the width of optical measurement district slit 124, and the width of protected location slit 126 is greater than the width of optical measurement district slit 124.Please refer to Fig. 1 C and Fig. 1 D, miniature cuvette 100 is positive and negative and left and right side sealing, and upper and lower side communicates by slit 120, entrance slit 130 and exit slit 140.See through the exit slit 140 of top view and the entrance slit 130 of lower view, can see position and the wide variety of drainage district slit 122, optical measurement district slit 124 and protected location slit 126.
In the present embodiment, entrance slit 130 is communicated with drainage district slit 122 and protected location slit 126, and exit slit 140 is communicated with drainage district slit 122, optical measurement district slit 124 and protected location slit 126.In addition, in the present embodiment, the width of drainage district slit 122 equals the width of optical measurement district slit 124, but the width of optical measurement district slit 124 is less than the width of protected location slit 126.Please refer to Fig. 1 C, can see the wide variety of optical measurement district slit 124 and protected location slit 126 junctions by exit slit 140; Please refer to Fig. 1 D, can see drainage district slit 122 and protected location slit 126 by entrance slit 130, and can see through protected location slit 126 wide variety of protected location slit 126 and drainage district slit 122 and optical measurement district slit 124 connected components.In other words, can see through protected location slit 126 two walls of drainage district slit 122 and optical measurement district slit 124.
In the time that miniature cuvette 100 samples, sample enters miniature cuvette 100 by entrance slit 130.Sample follows drainage district slit 122 and protected location slit 126 flows into, and because the capillary force of drainage district slit 122 is greater than protected location slit 126, first sample can be full of drainage district slit 122.Then, sample can Xun Zhe drainage district slit 122 gradually flow into the junction of optical measurement district slit 124 and protected location slit 126 and be full of optical measurement district slit 124 and protected location slit 126.Sample can be introduced into protected location slit 126, but because the capillary force of optical measurement district slit 124 is greater than protected location slit 126, sample is very fast at the flow velocity of optical measurement district slit, therefore sample can first be full of optical measurement district slit 124.Therefore, the air in optical measurement district slit 124 can be pushed to the protected location slit 126 being not yet full of by sample.Review current cuvette, the width of sample introduction slit is less than the width of measurement zone slit, and the width of measurement zone slit is consistent, thus bubble can be present in the slit of measurement zone, and be difficult to remove.
Optical measurement district slit 124 also comprises a clear area 150, so that measuring beam passes through.In this embodiment, clear area 150 is circular, and is positioned at the middle body of optical measurement district slit 124, and so, the visual actual demand in clear area 150, is changed to arbitrary shape, is positioned at the optional position of optical measurement district slit 124.In this embodiment, optical measurement district 124 has the transparency higher than body 110 other parts.
Please refer to Figure 1B, it illustrates the cut-open view of miniature cuvette 100 along A-A hatching line, and cut-open view is found out the wide variety of slit 120 whereby.In this embodiment, because the width of protected location slit 126 is greater than the width of optical measurement district slit 124, therefore can see in miniature cuvette 100 along the cut-open view of A-A hatching line the wide variety of protected location slit 126 and optical measurement district slit 124 connected components.Therefore, miniature cuvette 100, along the cut-open view of A-A hatching line in the part of protected location slit 126, comprises two walls of protected location slit 126, and two walls of optical measurement district slit 124.
In the present embodiment; the width of optical measurement district slit 124 is less than protected location slit 126; so capillary force is stronger; the speed of sample inflow optical measurement district slit 124 is faster than protected location slit 126 and substantially can be full of sample early than protected location slit 126, and the air in optical measurement district slit 124 can be pushed away after protected location slit 126 to be got rid of by exit slit 140.So optical measurement district slit 124 is difficult for alveolate generation in sampling process.
After miniature cuvette 100 has sampled, the entrance slit 130 that a cleansing tissue (not illustrating) can be used for cleaning miniature cuvette 100 is to remove the sample that remains in entrance slit 130.The capillary force of cleansing tissue itself can pull out the sample in miniature cuvette 100 slits 120.Now, the sample of protected location slit 126 is more easily pulled, and this has protected sample in optical measurement district slit 124 not to be subject to the impact of this wiping action.
Please refer to Fig. 2 A, Fig. 2 C and Fig. 2 D, front elevation, top view and lower view that it illustrates respectively the miniature cuvette 200 of another embodiment of the utility model, for convenience of description, omit handle portion in diagram, only illustrate body 210.Please refer to Fig. 2 A, miniature cuvette 200 has a body 210, have slit 220, entrance slit 230 and exit slit 240, and slit 220 comprises: a drainage district slit 222 in body; One optical measurement district slit 224; An and protected location slit 226.Wherein, drainage district slit 222 is directly communicated with entrance slit 230, optical measurement district slit 224 and protected location slit 226; drainage district slit 222 is communicated in two places with protected location slit 226; protected location slit 226 is not communicated with part and is communicated with exit slit 240 around optical measurement district slit 224 with drainage district slit 222; the width of drainage district slit 222 is not more than the width of optical measurement district slit 224, and the width of protected location slit 226 is greater than the width of optical measurement district slit 224.Please refer to 2C and 2D figure, miniature cuvette 200 is positive and negative and left and right side sealing, and upper and lower side communicates by slit 220, entrance slit 230 and exit slit 240.See through the exit slit 240 of top view and the entrance slit 230 of lower view, can see position and the wide variety of drainage district slit 222, optical measurement district slit 224 and protected location slit 226.
In the present embodiment, entrance slit 230 is communicated with drainage district slit 222 and protected location slit 226, and exit slit 240 is communicated with drainage district slit 222 and protected location slit 226.In addition, in the present embodiment, the width of drainage district slit 222 is less than the width of optical measurement district slit 224, and the width of optical measurement district slit 224 is less than the width of protected location slit 226.Please refer to Fig. 2 C, can see the wide variety of drainage district slit 222 and protected location slit 226 junctions by exit slit 240, and can see through protected location slit 226 wide variety of protected location slit 226 and optical measurement district slit 224 connected components; Please refer to Fig. 2 D, can see drainage district slit 222 and protected location slit 226 by entrance slit 230, and can see through protected location slit 226 wide variety of protected location slit 226 and drainage district slit 222 and optical measurement district slit 224 connected components.In other words, can see through protected location slit 226 two walls of drainage district slit 222 and optical measurement district slit 224.
In the time that miniature cuvette 200 samples, sample enters miniature cuvette 200 by entrance slit 230.Sample follows drainage district slit 222 and protected location slit 226 flows into, and because the capillary force of drainage district slit 222 is greater than protected location slit 226, first sample can be full of drainage district slit 222.Then, sample can Xun Zhe drainage district slit 222 gradually flow into the junction of optical measurement district slit 224 and protected location slit 226 and be full of optical measurement district slit 224 and protected location slit 226.
Optical measurement district slit 224 also comprises a clear area 250, so that measuring beam passes through.In this embodiment, clear area 250 is circular, and is positioned at the middle body of optical measurement district slit 224, and so, the visual actual demand in clear area 250, is changed to arbitrary shape, is positioned at the optional position of optical measurement district slit 224.In this embodiment, optical measurement district 224 has the transparency higher than body 210 other parts.
Please refer to Fig. 2 B, it illustrates the cut-open view of miniature cuvette 200 along B-B hatching line, and cut-open view is found out the wide variety of slit 220 whereby.For convenience of description, in diagram, omit handle portion, only illustrate body 210.In this embodiment, because the width of protected location slit 226 is greater than the width of optical measurement district slit 224, therefore can see in miniature cuvette 200 along the cut-open view of B-B hatching line the wide variety of protected location slit 226 and optical measurement district slit 224 connected components.Therefore, miniature cuvette 200, along the cut-open view of B-B hatching line in the part of protected location slit 226, comprises two walls of protected location slit 226, and two walls of optical measurement district slit 224.
Miniature cuvette 200 is that with miniature cuvette 100 differences drainage district slit 222 and protected location slit 226 are communicated in two places, and protected location slit 226 is not communicated with part with drainage district slit 222 around optical measurement district slit 224.This difference does not affect the function of each element of the present embodiment, and therefore, miniature cuvette 200 has the feature and benefit identical with miniature cuvette 100.
Please refer to 3A, 3C and 3D figure, front elevation, top view and lower view that it illustrates respectively the miniature cuvette 300 of another embodiment of the utility model, for convenience of description, omit handle portion in diagram, only illustrate body 310.Please refer to Fig. 3 A, miniature cuvette 300 has a body 310, have slit 320, entrance slit 330 and exit slit 340, and slit 320 comprises: a drainage district slit 322 in body; One optical measurement district slit 324; And two protected location slits 326.Wherein, drainage district slit 322 is directly communicated with entrance slit 330, optical measurement district slit 324 and two protected location slits 326, two protected location slits 326 are at least partly around optical measurement district slit 324, an and protected location slit 326 and drainage district slit 322, optical measurement district slit 324 and entrance slit 330 are communicated with, another protected location slit 326 and drainage district slit 322, optical measurement district slit 324 and exit slit 340 are communicated with, the width of drainage district slit 322 is not more than the width of optical measurement district slit 324, the width of protected location slit 326 is greater than the width of optical measurement district slit 324.Please refer to 3C and 3D figure, miniature cuvette 300 is positive and negative and left and right side sealing, and upper and lower side communicates by slit 320, entrance slit 330 and exit slit 340.See through the exit slit 340 of top view and the entrance slit 330 of lower view, can see position and the wide variety of drainage district slit 322, optical measurement district slit 324 and protected location slit 326.
In the present embodiment, entrance slit 330 is communicated with drainage district slit 322 and a protected location slit 326, and exit slit 340 is communicated with drainage district slit 322 and another protected location slit 326.In addition, in the present embodiment, the width of drainage district slit 322 is less than the width of optical measurement district slit 324, and the width of optical measurement district slit 324 is less than the width of protected location slit 326.Please refer to Fig. 3 C, can see the wide variety of drainage district slit 322 and protected location slit 326 junctions by exit slit 340, and can see through protected location slit 326 wide variety of protected location slit 326 and optical measurement district slit 324 connected components; Please refer to Fig. 3 D, can see drainage district slit 322 and protected location slit 326 by entrance slit 330, and can see through protected location slit 326 wide variety of protected location slit 326 and drainage district slit 322 and optical measurement district slit 224 connected components.In other words, can see through protected location slit 326 two walls of drainage district slit 322 and optical measurement district slit 324.
In the time that miniature cuvette 300 samples, sample enters miniature cuvette 300 by entrance slit 330.Sample follows drainage district slit 322 and protected location slit 326 flows into, and because the capillary force of drainage district slit 322 is greater than protected location slit 326, first sample can be full of drainage district slit 322.Then, sample can Xun Zhe drainage district slit 322 gradually flow into the junction of optical measurement district slit 324 and protected location slit 326 and be full of optical measurement district slit 324 and protected location slit 326.
Optical measurement district slit 324 also comprises a clear area 350, so that measuring beam passes through.In this embodiment, clear area 350 is circular, and is positioned at the middle body of optical measurement district slit 324, and so, the visual actual demand in clear area 350, is changed to arbitrary shape, is positioned at the optional position of optical measurement district slit 324.In this embodiment, optical measurement district 324 has the transparency higher than body 310 other parts.
Please refer to Fig. 3 B, it illustrates the cut-open view of miniature cuvette 300 along C-C hatching line, and cut-open view is found out the wide variety of slit 320 whereby.For convenience of description, in diagram, omit handle portion, only illustrate body 310.In this embodiment, cut-open view demonstrates the wide variety of drainage district slit 322, optical measurement district slit 324 and protected location slit 326 junctions.
Miniature cuvette 300 is that with miniature cuvette 100 differences miniature cuvette 300 has two protected location slits 326.This difference does not affect the function of each element of the present embodiment, and therefore, miniature cuvette 300 has the feature and benefit identical with miniature cuvette 100.
The miniature cuvette structure the utility model proposes is utilized capillarity; because capillary force and slit width are inversely proportional to; by adjusting the slit width of zones of different, the capillary force that makes the capillary force of drainage district slit be not less than optical measurement district slit, protected location slit is less than optical measurement district slit.According to the utility model one embodiment, the width of drainage district slit is 0.1mm~0.3mm, is preferably 0.15mm; The width of optical measurement district slit is 0.1mm~0.3mm, is preferably 0.15mm; The width of protected location slit is 0.2mm~0.4mm, is preferably 0.3mm.
In the time that sample enters from entrance slit, under the effect of capillary force, sample is full of drainage district slit first fast, is then full of gradually optical measurement district slit and protected location slit.Sample is neither identical with distance in the flowing velocity of optical measurement district slit and protected location slit, therefore in flow process, the intersection of optical measurement district slit and protected location slit may produce bubble.If there is bubble; because the capillary force of optical measurement district slit is greater than protected location slit, sample is very fast at the flow velocity of optical measurement district slit, therefore bubble can flow to protected location slit gradually along with sample; whereby bubble is squeezed in the slit of protected location, then is discharged in the external world by exit slit.Even there is air to remain in the slit of cuvette, bubble also can be present in the slit of protected location, and can be at optical measurement district slit, can avoid like this bubble to exert an influence to measurement result.In addition, when sample introduction, entrance slit is positioned at relative below, and the exit slit of offside is positioned at relative top, and due to the physical characteristics of air, bubble can tend to move toward top, therefore can discharge bubble by exit slit.
In practical operation, after carrying out sample sampling with cuvette, have the action of wiping entrance slit to wipe the sample that remains in entrance slit place away.Due to the capillary action of cleansing tissue, the sample in the slit of measurement zone is easily taken out of by entrance slit along with cleansing tissue, and after sample taken out of, easily produces bubble in measurement zone, and then affects measurement result.See through protected location slit is set, due to the position of its setting, while making wiping entrance slit, can, first by the sample sucking-off in the slit of protected location, to avoid taking sample out of optical measurement district slit, and then affect measurement result.
The making material of miniature cuvette of the present utility model can adopt any material that is applicable to make cuvette, as hydrophilic transparent optical polystyrene (Polystyrene, and polymethylmethacrylate (Poly (methyl methacrylate), PMMA) PS).According to the utility model one embodiment, the structure that miniature cuvette is formed in one.Sheet metal in the mould adopting in miniature cuvette moulding the corresponding position that forms clear area in optical measurement district can carry out polishing, increase the transparency of the clear area of the miniature cuvette after forming, be beneficial to measuring beam and pass through.
The structure the utility model proposes not only can reduce the probability that bubble occurs; and utilize capillarity; by adjusting the slit width of zones of different, make the capillary force of drainage district slit be not less than optical measurement district slit, the capillary force of protected location slit is less than optical measurement district slit.Therefore, bubble can be squeezed in the slit of protected location or by exit slit and be discharged in ambient atmosphere after bubble if occur, avoid measurement result to exert an influence.When another object that protected location slit is set is wiping cuvette, first by the sample sucking-off in the slit of protected location, to avoid taking sample out of optical measurement district slit, affect measurement result.In addition, the structural design of miniature cuvette can be avoided the generation of optics measurement zone disturbing factor in the time being made into integrated formed structure.
Although the utility model discloses as above with embodiment; so it is not in order to limit the utility model; anyly be familiar with this skill person; not departing from spirit and scope of the present utility model; when being used for a variety of modifications and variations, the scope that therefore protection domain of the present utility model ought define depending on appending claims is as the criterion.

Claims (12)

1. a miniature cuvette, has a body, in described body, has slit, and described slit is communicated with an exit slit with an entrance slit that is positioned at described body offside, it is characterized in that, described slit comprises:
One drainage district slit;
One optical measurement district slit; And
One protected location slit,
Wherein, described drainage district slit is directly communicated with described entrance slit, described optical measurement district's slit and described protected location slit; described protected location slit is communicated with around described optical measurement district's slit and with described exit slit at least partly; the width of described drainage district slit is not more than the width of described optical measurement district slit, and the width of described protected location slit is greater than the width of described optical measurement district slit.
2. miniature cuvette according to claim 1, is characterized in that, described protected location slit is at least partly between described entrance slit, described drainage district's slit and described optical measurement district slit.
3. miniature cuvette according to claim 1, is characterized in that, described protected location slit is communicated with described drainage district's slit and around described optical measurement district slit.
4. miniature cuvette according to claim 1, is characterized in that, described slit comprises multiple described protected locations slit, and at least one described protected location slit is between described entrance slit, described drainage district's slit and described optical measurement district slit.
5. miniature cuvette according to claim 1, is characterized in that, described optical measurement district also comprises a clear area.
6. miniature cuvette according to claim 5, is characterized in that, described clear area is positioned at the part of described optical measurement district slit.
7. miniature cuvette according to claim 5, is characterized in that, described clear area is positioned at the entirety of described optical measurement district slit.
8. miniature cuvette according to claim 5, is characterized in that, described optical measurement district has the transparency higher than described other parts of body.
9. miniature cuvette according to claim 1, is characterized in that, the width of described drainage district slit is 0.1mm~0.3mm.
10. miniature cuvette according to claim 1, is characterized in that, the width of described optical measurement district slit is 0.1mm~0.3mm.
11. miniature cuvettes according to claim 1, is characterized in that, the width of described protected location slit is 0.2mm~0.4mm.
12. miniature cuvettes according to claim 1, is characterized in that, the structure that described miniature cuvette is formed in one.
CN201320743978.8U 2013-11-21 2013-11-21 Miniature cuvette Expired - Fee Related CN203688436U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104655568A (en) * 2013-11-21 2015-05-27 达尔生技股份有限公司 Miniature cuvette

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104655568A (en) * 2013-11-21 2015-05-27 达尔生技股份有限公司 Miniature cuvette

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Granted publication date: 20140702

Termination date: 20161121