CN104280270B - A kind of Liquid sampler - Google Patents
A kind of Liquid sampler Download PDFInfo
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- CN104280270B CN104280270B CN201310287487.1A CN201310287487A CN104280270B CN 104280270 B CN104280270 B CN 104280270B CN 201310287487 A CN201310287487 A CN 201310287487A CN 104280270 B CN104280270 B CN 104280270B
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- pipe
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- sampler
- siphon
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Abstract
The present invention discloses a kind of Liquid sampler, siphon pipe is drawn liquid sample and is sampled by siphonage, even if no liquid relief instrument liquid sample will not also be dripped, it is possible to achieve the function of blood sampling and liquid relief, settle at one go, sampling is cumbersome with what liquid relief substep was carried out in reducing experimentation；After liquid is filled with whole siphon pipe, because the caliber for stopping the last period pipe of passage is smaller than the caliber of siphon pipe, the siphonage for delaying siphon pipe can be played, the caliber for stopping latter section of pipe of passage simultaneously amplifies suddenly, caliber than the last period pipe and siphon pipe will be big, the siphonage of siphon pipe, siphonage can be prevented to stop at the position for stopping latter section of pipe of passage, so as to realize the liquid sample amount for relatively accurately controlling to need to draw.
Description
Technical field
Refer to exactly a kind of Liquid sampler the present invention relates to medical instruments field.
Background technology
At present, existing Liquid sampler can only realize the sampling to sample liquid by connecting liquid-transfering gun, it is impossible to independent
Sample liquid is moved to otherwise by sampling.If using this Liquid sampler blood count, typically needing first to be adopted with hemostix
, then be connected to Liquid sampler on the liquid relief instrument such as liquid-transfering gun by good blood, then Liquid sampler is deep into has adopted adopting for blood
Carry out taking liquid liquid relief in blood device.In this way, blood need to be carried out in two steps from taking a blood sample to taking, the required kit used
Hemostix, Liquid sampler, liquid-transfering gun are included, it is more complicated.And blood sampling has potential superinfection for medical personnel
Risk, step is more, and the instrument that needs are used is more, and the chance of infection is bigger.In addition, if using existing liquid sample
Device blood sampling is unable to precise control blood sampling volume, easily causes the waste of sample.
The content of the invention
For drawbacks described above, present invention solves the technical problem that be to provide a kind of Liquid sampler, the sampler can be with
While realizing the function of blood sampling and liquid relief, settle at one go, sampling is cumbersome with what liquid relief substep was carried out in reducing experimentation, together
When can relatively accurately control need liquid sample amount.
In order to solve the technical problem of the above, the Liquid sampler that the present invention is provided, including sampler main body, the sampling
Siphon pipe is provided with device main body, passage and liquid storage cylinder is stopped, wherein：
The siphon pipe is connected by the obstruction passage with the liquid storage cylinder；
The siphon pipe is arranged on the bottom of the sampler main body, the siphon pipe siphon liquid sample；
It is described to stop latter section that passage includes the last period being connected with siphon pipe pipe and is connected with the liquid storage cylinder
Pipe, the last period pipe is smaller than the caliber of the siphon pipe, and the latter section of pipe is connected with the last period pipe, described latter section
Pipe gradually amplifies compared to the caliber of the last period pipe, until consistent with the diameter of the liquid storage cylinder bottom.
Preferably, the last period pipe is cylinder tubular construction, and the caliber of the last period pipe is the siphon pipe caliber
1/2-1/3。
Preferably, the last period pipe is circular cone tubular construction, and the minimum pipe of the last period pipe is the siphon pipe pipe
The 1/2-1/3 in footpath.
Preferably, the latter section of pipe is rounding conical tube structure, and the lowest calibre of the latter section of pipe is 0.7mm-
1.0mm, maximum caliber is 2.5mm-3.0mm, and the height of the latter section of pipe is 0.8mm-1.2mm.
Preferably, the latter section of pipe is inverted arc shape conical tube structure, and the lowest calibre of the latter section of pipe is 0.7mm-
1.0mm, maximum caliber is 2.5mm-3.0mm, and the height of the latter section of pipe is 0.8mm-1.2mm.
Preferably, the liquid storage cylinder is rounding conical tube structure, and the branch sleeve is inverted cone barrel structure, the liquid storage cylinder
Taper it is consistent with the taper of the branch sleeve.
Preferably, the liquid storage cylinder is cylinder tubular construction, and the branch sleeve is inverted cone barrel structure, the liquid storage cylinder
Top is connected with osculum caliber one end of the branch sleeve.
Preferably, the sampler main body is additionally provided with collar stop in periphery.
Preferably, the collar stop is arranged on apart from the position of the sampler main body bottom 10mm-50mm.
Preferably, the siphon pipe is made up of acrylonitritrile-styrene resin material.
Preferably, the sampler main body also includes the branch sleeve for being connected with liquid relief instrument, the liquid storage cylinder
Top connects with the branch sleeve.
Preferably, the sampler main body also includes being steeped with suction pipe, and the top of the liquid storage cylinder connects with suction pipe bubble.
Compared with prior art, the Liquid sampler that the present invention is provided, siphon pipe draws liquid sample by siphonage
Sampled, even if no liquid relief instrument liquid sample will not also be dripped, it is possible to achieve the function of blood sampling and liquid relief a, step is arrived
Position, sampling is cumbersome with what liquid relief substep was carried out in reducing experimentation；After liquid is filled with whole siphon pipe, due to stopping
The caliber of the last period pipe of passage is smaller than the caliber of siphon pipe, can play the siphonage for delaying siphon pipe, while stopping
The caliber of latter section of pipe of passage amplifies suddenly, and the caliber than the last period pipe and siphon pipe will be big, can prevent siphon pipe
Siphonage, siphonage stops at the position for stopping latter section of pipe of passage, so as to realize relatively accurately controlling to need to inhale
The liquid sample amount for taking.
Brief description of the drawings
Fig. 1 is the structural representation of Liquid sampler in the embodiment of the present invention；
Fig. 2 is the internal cross section structural representation of Liquid sampler in the embodiment of the present invention；
Fig. 3 is the amplification assumption diagram of obstruction passage in the Liquid sampler of embodiment 1；
Fig. 4 is the amplification assumption diagram of obstruction passage in the Liquid sampler of embodiment 2；
Fig. 5 is the structural representation of Liquid sampler in the embodiment of the present invention 3.
Specific embodiment
In order to those skilled in the art better understood when technical scheme provided by the present invention, with reference to specific
Embodiment is illustrated.
Embodiment 1
Fig. 1, Fig. 2 and Fig. 3 are referred to, Fig. 1 is the structural representation of Liquid sampler in the embodiment of the present invention；Fig. 2 is this
The internal cross section structural representation of Liquid sampler in inventive embodiments；Fig. 3 is obstruction passage in the Liquid sampler of embodiment 1
Amplification assumption diagram.
Liquid sampler provided in an embodiment of the present invention, including sampler main body 1, siphon is provided with sampler main body 1
Pipe 2, obstruction passage 3, liquid storage cylinder 4 and branch sleeve 5, wherein：
Siphon pipe 2 is connected by stopping passage 3 with liquid storage cylinder 4；
Siphon pipe 2 is arranged on the bottom of sampler main body 1, the siphon liquid sample of siphon pipe 2；
Stopping passage 3 includes the last period pipe 31 being connected with siphon pipe 2 and latter section of pipe 32 being connected with liquid storage cylinder 4, preceding
One section of pipe 31 is smaller than the caliber of siphon pipe 1, and latter section of pipe 32 is connected with the last period pipe 31, and latter section of pipe 32 is managed compared to the last period
31 caliber gradually amplifies, until consistent with the diameter of the bottom of liquid storage cylinder 4；
The top of liquid storage cylinder 4 connects with branch sleeve 5；
Branch sleeve 5, for being connected with liquid relief instrument.
Siphon pipe 2 is drawn liquid sample and is sampled by siphonage, even if without liquid relief instrument liquid sample also not
Can drip, it is possible to achieve the function of blood sampling and liquid relief, settle at one go, reduce what sampling and liquid relief substep in experimentation were carried out
It is cumbersome.
The last period pipe 31 for stopping passage 3 is cylinder tubular construction, and the caliber of the last period pipe 31 is the 1/2 of the caliber of siphon pipe 2.
Latter section of pipe 32 for stopping passage 3 is rounding conical tube structure, and the latter section of lowest calibre of pipe 32 is 0.7mm-1.0mm, maximum mouth
Footpath is 2.5mm-3.0mm, and the latter section of height of pipe 32 is 0.8mm-1.2mm.After liquid is filled with whole siphon pipe 2, due to
The caliber for stopping the last period pipe 31 of passage 3 is smaller than the caliber of siphon pipe 2, can play the siphonage for delaying siphon pipe 2,
The caliber for stopping latter section of pipe 32 of passage 3 simultaneously amplifies suddenly, and the caliber than the last period pipe 31 and siphon pipe 2 will be big, can
To prevent the siphonage of siphon pipe 2, siphonage from stopping at the position for stopping latter section of pipe 32 of passage 3, so as to realize ratio
Relatively accurately control needs the liquid sample amount drawn.
Liquid storage cylinder 4 is rounding conical tube structure, and branch sleeve 5 is inverted cone barrel structure, the taper and branch sleeve of liquid storage cylinder 4
5 taper is consistent, is easy to, when liquid relief instrument is extracted on branch sleeve 5, can there is certain engaging space.
Sampler main body 1 is additionally provided with collar stop 6 in periphery, and collar stop 6 is arranged on the bottom of distance samples device main body 1
The position of 15mm.Liquid sampler of the invention can be independently matched with liquid-transfering gun and use, and also can inspire confidence in biotechnology share in Guangzhou ten thousand
Used in the full-automatic fluorogenic quantitative detection system of Co., Ltd's independent research, when the liquid relief mechanical arm in the system passes through liquid relief
Sleeve is connected with Liquid sampler, and the liquid sample that will come in siphon is added to when in the buffer solution cup in system, in liquid
Sampler body device enters when in buffer solution cup, because collar stop 66 is with diameter greater than buffer solution rim of a cup diameter, prevents liquid to adopt
Sample device continues deeper into buffer solution cup, so as to avoid sampler that the situation that buffer solution cup bottom punctures occurs, protects buffer solution cup
Damage.Collar stop 6 can also prevent liquid from spilling in the liquid blending in buffer solution cup simultaneously.Wherein, mainly
It is noted that positioned at the height of the length less than buffer solution cup of block part below 6 in sampler main body 1.
Siphon pipe 2 is made up of acrylonitritrile-styrene resin material.
Liquid sampler provided in an embodiment of the present invention has sampling, liquid relief and mixes function, wherein：
Sampling operation：The siphon pipe 2 of sampler main body 1 is directed at sample objects and position, Liquid sampler will be to sampling
Object is sampled, in absorption sample liquid to siphon pipe 2, after sample liquid is full of whole siphon pipe 2, due to being used to for siphon
Property, liquid sample may proceed to full of the last period pipe 31 for stopping passage 3.At this moment, the last period pipe 31 of obstruction passage 3 is played and delayed
The effect of siphon.When liquid sample enters into latter section of pipe 32 for stopping passage 3, due to stopping latter section of pipe 32 of passage 3
Caliber amplify suddenly, the caliber than the last period pipe 31 and siphon pipe 2 will be big, can prevent the siphonage of siphon pipe, rainbow
Suction effect stops.By this structure, stopping passage 3 can realize effectively controlling siphon amount, and more accurate control needs what is drawn
The function of liquid sample amount；
Liquid relief and mixing are operated：The sampler for finishing will be sampled and pass through sampler main body with liquid-transfering gun or other liquid relief instruments
The branch sleeve 5 on top is coupled together, and Liquid sampler is moved into buffer solution cup or other needs that the appearance of sample liquid is added dropwise
On device, liquid sample is blown and beaten in specified containers by liquid-transfering gun, such as in buffer solution cup；Liquid imbibition is told with the use of liquid-transfering gun
Function, the Liquid sampler of the present embodiment can be blown and beaten into specified containers sample liquid, and is mixed with the liquid in container, then
By in the mixing liquid together liquid storage cylinder of inspiration Liquid sampler, mixing liquid is spued again then, be repeated several times, it is right to be capable of achieving
Mixing liquid is mixed, while the sample liquid that will be remained in siphon pipe 2 moves on to finger in the perseveration of liquid is told in imbibition
In constant volume device, it is to avoid by liquid residue cause the sample liquid being added in container with sample this amount of liquid exist it is larger inclined
Difference.
Embodiment 2
Fig. 1, Fig. 2 and Fig. 4 are referred to, Fig. 1 is the structural representation of Liquid sampler in the embodiment of the present invention；Fig. 2 is this
The internal cross section structural representation of Liquid sampler in inventive embodiments；Fig. 4 is obstruction passage in the Liquid sampler of embodiment 2
Amplification assumption diagram.
Liquid sampler provided in an embodiment of the present invention, including sampler main body 1, siphon is provided with sampler main body 1
Pipe 2, obstruction passage 3, liquid storage cylinder 4 and branch sleeve 5, wherein：
Siphon pipe 2 is connected by stopping passage 3 with liquid storage cylinder 4；
Siphon pipe 2 is arranged on the bottom of sampler main body 1, the siphon liquid sample of siphon pipe 2；
Stopping passage 3 includes the last period pipe 31 being connected with siphon pipe 2 and latter section of pipe 32 being connected with liquid storage cylinder 4, preceding
One section of pipe 31 is smaller than the caliber of siphon pipe 1, and latter section of pipe 32 is connected with the last period pipe 31, and latter section of pipe 32 is managed compared to the last period
31 caliber gradually amplifies, until consistent with the diameter of the bottom of liquid storage cylinder 4；
The top of liquid storage cylinder 4 connects with branch sleeve 5；
Branch sleeve 5, for being connected with liquid relief instrument.
The last period pipe is cylinder tubular construction, and the caliber of the last period pipe is the 1/2-1/3 of the siphon pipe caliber；It is latter
Section pipe 32 is inverted arc shape conical tube structure, and the latter section of lowest calibre of pipe 32 is 0.7mm-1.0mm, and maximum caliber is 2.5mm-
3.0mm, the latter section of height of pipe 32 is 0.8mm-1.2mm.
After liquid is filled with whole siphon pipe 2, due to stop passage 3 the last period pipe 31 caliber than siphon pipe 2
Caliber it is small, the siphonage for delaying siphon pipe 2 can be played, while the caliber of latter section of pipe 32 for stopping passage 3 is put suddenly
Greatly, the caliber than the last period pipe 31 and siphon pipe 2 will be big, and the siphonage of siphon pipe 2, siphonage can be prevented to stop
The position of latter section of pipe 32 of passage 3 stops, so as to realize the liquid sample amount for relatively accurately controlling to need to draw.
Sampler main body 1 is additionally provided with collar stop 6 in periphery, and collar stop 6 is arranged on the bottom of distance samples device main body 1
The position of 15mm.
Siphon pipe 2 is made up of acrylonitritrile-styrene resin material.
Liquid sampler provided in an embodiment of the present invention has sampling, liquid relief and mixes function, wherein：
Sampling operation：The siphon pipe 2 of sampler main body 1 is directed at sample objects and position, Liquid sampler will be to sampling
Object is sampled, in absorption sample liquid to siphon pipe 2, after the sample liquid for extracting is filled with whole siphon pipe 2, due to
The inertia of siphon, liquid sample may proceed to full of the last period pipe 31 for stopping passage 3, but stop the last period pipe 31 of passage 3
The effect for delaying siphon is served；When liquid sample enters into latter section of pipe 32 for stopping passage 3, due to stopping passage
The caliber of 3 latter section of pipe 32 amplifies suddenly, and the caliber than the last period pipe 31 and siphon pipe 2 will be big, can prevent siphon pipe
Siphonage, siphonage stop.By this structure function, stopping passage 3 can effectively control siphon amount, more accurate control
System needs the liquid sample amount drawn；
Liquid relief and mixing are operated：The sampler for finishing will be sampled and pass through sampler main body with liquid-transfering gun or other liquid relief instruments
The branch sleeve 5 on top is coupled together, and Liquid sampler is moved into buffer solution cup or other needs that the appearance of sample liquid is added dropwise
On device, liquid sample is blown and beaten in specified containers by liquid-transfering gun, such as in buffer solution cup；Liquid imbibition is told with the use of liquid-transfering gun
Function, the Liquid sampler of the present embodiment can be blown and beaten into specified containers by sample liquid, and mixed with the liquid in container
After having closed, then by the mixing liquid together liquid storage cylinder of inspiration Liquid sampler, mixing liquid is spued again then, it is repeatedly several
It is secondary, it is capable of achieving to mix mixing liquid, while the sample liquid that will be remained in siphon pipe 2 tells moving repeatedly for liquid in imbibition
Moved on in specified containers in work, it is to avoid by liquid residue causes the sample liquid being added in container and samples this amount of liquid
There is relatively large deviation.
Embodiment 3
Fig. 5 is referred to, the figure is the structural representation of Liquid sampler in the embodiment of the present invention 3.
Liquid sampler provided in an embodiment of the present invention, including sampler main body 1, siphon is provided with sampler main body 1
Pipe 2, obstruction passage 3, liquid storage cylinder 4 and suction pipe bubble 7, wherein：
Siphon pipe 2 is connected by stopping passage 3 with liquid storage cylinder 4；
Siphon pipe 2 is arranged on the bottom of sampler main body 1, the siphon liquid sample of siphon pipe 2；
The top of liquid storage cylinder 4 connects with suction pipe bubble 7.
The structure of the obstruction passage of the Liquid sampler of the present embodiment is identical with embodiment 1 or embodiment 2.
Liquid sampler can by press suction pipe steep 7 on bubble in siphon come liquid implementation liquid relief, can pass through
The amount of liquid that the volume markings control indicated on the tube wall of liquid storage cylinder 4 is extracted.
Above-mentioned the disclosed embodiments explanation can be such that professional and technical personnel in the field effectively realize or use the present invention.Herein
Defined in General Principle be without deviating from the spirit or scope of the invention, to carry out in other embodiments using real
It is existing.Any deformation or modification to done by above-described embodiment is within the scope of the present invention.Therefore, the present invention will not office
It is limited in embodiment illustrated herein, it is every to meet the behavior of principles disclosed herein and novel features in guarantor of the invention
In the range of shield.
Claims (10)
1. a kind of Liquid sampler, it is characterised in that including sampler main body, be provided with the sampler main body siphon pipe,
Passage and liquid storage cylinder are stopped, wherein：
The siphon pipe is connected by the obstruction passage with the liquid storage cylinder；
The siphon pipe is arranged on the bottom of the sampler main body, the siphon pipe siphon liquid sample；
It is described to stop the latter section of pipe that passage includes the last period being connected with siphon pipe pipe and is connected with the liquid storage cylinder, institute
State the last period pipe smaller than the caliber of the siphon pipe, the latter section of pipe is connected with the last period pipe, the latter section of pipe phase
Than gradually amplifying in the caliber of the last period pipe, until consistent with the diameter of the liquid storage cylinder bottom；
The latter section of pipe is rounding conical tube structure or inverted arc shape conical tube structure, and the lowest calibre of the latter section of pipe is 0.7mm-
1.0mm, maximum caliber is 2.5mm-3.0mm, and the height of the latter section of pipe is 0.8mm-1.2mm.
2. Liquid sampler according to claim 1, it is characterised in that the last period pipe is cylinder tubular construction, described
The caliber of the last period pipe is the 1/2-1/3 of the siphon pipe caliber.
3. Liquid sampler according to claim 1, it is characterised in that the last period pipe is circular cone tubular construction, described
The minimum pipe of the last period pipe is the 1/2-1/3 of the siphon pipe caliber.
4. Liquid sampler according to claim 1, it is characterised in that the liquid storage cylinder is rounding conical tube structure, described
Branch sleeve is inverted cone barrel structure, and the taper of the liquid storage cylinder is consistent with the taper of the branch sleeve.
5. Liquid sampler according to claim 1, it is characterised in that the liquid storage cylinder is cylinder tubular construction, the company
Female connector cylinder is inverted cone barrel structure, and the top of the liquid storage cylinder is connected with osculum caliber one end of the branch sleeve.
6. Liquid sampler according to claim 1, it is characterised in that the sampler main body is additionally provided with ring in periphery
Shape block.
7. Liquid sampler according to claim 6, it is characterised in that the collar stop is arranged on apart from the sampling
The position of device main body bottom 10mm-50mm.
8. Liquid sampler according to claim 1, it is characterised in that the siphon pipe is by acrylonitrile-styrene copolymerized
Thing material is made.
9. Liquid sampler according to claim 1, it is characterised in that the sampler main body also includes being used for and liquid relief
The branch sleeve of instrument connection, the top of the liquid storage cylinder connects with the branch sleeve.
10. Liquid sampler according to claim 1, it is characterised in that the sampler main body is also steeped including suction pipe, institute
The top for stating liquid storage cylinder connects with suction pipe bubble.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310287487.1A CN104280270B (en) | 2013-07-09 | 2013-07-09 | A kind of Liquid sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310287487.1A CN104280270B (en) | 2013-07-09 | 2013-07-09 | A kind of Liquid sampler |
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| Publication Number | Publication Date |
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| CN104280270A CN104280270A (en) | 2015-01-14 |
| CN104280270B true CN104280270B (en) | 2017-06-13 |
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ID=52255372
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310287487.1A Active CN104280270B (en) | 2013-07-09 | 2013-07-09 | A kind of Liquid sampler |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203432820U (en) * | 2013-07-09 | 2014-02-12 | 广州万孚生物技术股份有限公司 | Liquid sampling device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3855867A (en) * | 1972-08-21 | 1974-12-24 | Oxford Lab | Liquid transfer pipetting device |
| US4117728A (en) * | 1977-12-22 | 1978-10-03 | Miles Laboratories, Inc. | Pipette |
| US5851491A (en) * | 1997-06-13 | 1998-12-22 | Labcon, North America | Pipette tip and filter for accurate sampling and prevention of contamination |
| CN2469932Y (en) * | 2000-07-24 | 2002-01-09 | 烟台凯瑞医用设备开发有限公司 | Medical low-flow-resistance blood-taking tubelihe |
| JP4076048B2 (en) * | 2000-09-22 | 2008-04-16 | 富士フイルム株式会社 | Metered suction device |
| JP2009109459A (en) * | 2007-11-01 | 2009-05-21 | Konica Minolta Medical & Graphic Inc | Pipette chip, inspection system, pipette, and filling apparatus |
| CN201441919U (en) * | 2009-08-26 | 2010-04-28 | 孙俊红 | burette sampler |
-
2013
- 2013-07-09 CN CN201310287487.1A patent/CN104280270B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203432820U (en) * | 2013-07-09 | 2014-02-12 | 广州万孚生物技术股份有限公司 | Liquid sampling device |
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