WO2014005463A1 - Sampling needle automatic washing apparatus and method therefor - Google Patents

Sampling needle automatic washing apparatus and method therefor Download PDF

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Publication number
WO2014005463A1
WO2014005463A1 PCT/CN2013/074928 CN2013074928W WO2014005463A1 WO 2014005463 A1 WO2014005463 A1 WO 2014005463A1 CN 2013074928 W CN2013074928 W CN 2013074928W WO 2014005463 A1 WO2014005463 A1 WO 2014005463A1
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WO
WIPO (PCT)
Prior art keywords
sampling needle
cavity
sampling
nozzle
liquid
Prior art date
Application number
PCT/CN2013/074928
Other languages
French (fr)
Chinese (zh)
Inventor
侯兴凯
彭旭
Original Assignee
深圳市麦迪聪医疗电子有限公司
梅州康立高科技有限公司
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Publication date
Application filed by 深圳市麦迪聪医疗电子有限公司, 梅州康立高科技有限公司 filed Critical 深圳市麦迪聪医疗电子有限公司
Publication of WO2014005463A1 publication Critical patent/WO2014005463A1/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
    • G01N35/1004—Cleaning sample transfer devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L13/00—Cleaning or rinsing apparatus
    • B01L13/02—Cleaning or rinsing apparatus for receptacle or instruments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00—Additional constructional details
    • B01L2300/08—Geometry, shape and general structure
    • B01L2300/0832—Geometry, shape and general structure cylindrical, tube shaped
    • B01L2300/0838—Capillaries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02—Burettes; Pipettes
    • B01L3/021—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids

Definitions

  • the present invention relates to a cleaning method for a sampling needle, and more particularly to a sampling needle and an automatic cleaning device and method thereof.
  • the sampling needle of the manual sample rack of the blood gas electrolyte analyzer can only automatically clean the inner wall of the needle tube, and the cleaning method is to insert the cleaning liquid into the nozzle to clean the inner wall of the needle tube.
  • External wall cleaning is generally performed by the operator manually cleaning the outer wall after sampling, which increases labor costs and does not completely clean the sampling needle, which causes contamination for the next inspection and cannot be accurately detected.
  • the present invention provides an automatic cleaning device for a sampling needle, comprising: a sampling needle and a nozzle, wherein the nozzle is provided with a sampling needle movement channel, and the sampling needle movement channel is sequentially provided with a first a sealing node, a first cavity, a second sealing node, a second cavity, a capillary sampling tube sealing node and a mouth housing connecting the sealing node, and the first cavity is disposed below the first cavity
  • the liquid enters the channel, and the mouth casing is connected to the sealing node and is provided with a liquid discharge channel communicating with the sampling needle movement channel.
  • the cleaning liquid is a cleaning liquid which can generally clean the sampling needle on the market.
  • the invention adopts the above technical features, and has the advantages that the device can automatically clean the inner wall, the outer wall and the nozzle of the sampling needle, effectively solve the problem that the residual sample on the sampling needle and the nozzle is difficult to be cleaned after sampling, and effectively prevent cross-contamination due to the sample. Problems that cause inaccurate instrument test results.
  • the automatic cleaning device further comprises a moving structure fixed to the sampling needle for pushing the sampling needle.
  • the present invention further adopts the above technical features, and has the advantages that the setting of the moving structure makes the automatic performance of the automatic cleaning device further improve the working efficiency.
  • the sampling needle movement channel adopts a lateral setting.
  • the present invention further adopts the above technical features, and has the advantage that the horizontal setting makes the automatic cleaning device more stable and increases the accuracy of the test results.
  • the front end of the sampling needle is disposed on a spherical surface, and a front end side of the sampling needle is provided with a pinhole.
  • the invention further adopts the above technical features, and has the advantages that the front end of the sampling needle is arranged by a spherical surface, which facilitates the rotation of the sampling needle, so that there is no friction between the sampling pinhole and the movement path of the sampling needle, thereby improving the service life of the device.
  • the nozzle is provided with a nozzle housing.
  • the invention also provides a cleaning method for an automatic cleaning device for sampling needles, comprising the following steps:
  • Step A the liquid inlet channel is filled with the cleaning liquid
  • Step B the moving structure controls the sampling needle to move into the first cavity, and the front end of the sampling needle is sealed with the nozzle at the second sealing node, and the first sealing node and the Said second sealing node is sealed;
  • Step C The pinhole of the sampling needle is used to extract the cleaning liquid, and the inner wall of the pipe is rinsed clean.
  • the invention also provides a cleaning method for another automatic cleaning device for sampling needles, comprising the following steps:
  • Step A the liquid discharge channel is filled with a cleaning liquid
  • Step B the moving structure controls the sampling needle to move into the first cavity, and at this time, the sampling needle is only sealed by the first sealing node;
  • Step c The cleaning liquid flows out from the liquid discharge passage, and the outer wall of the sampling needle and the nozzle passage are rinsed clean.
  • the invention also provides a cleaning method for another automatic cleaning device for sampling needles, comprising the following steps:
  • Step A the liquid inlet channel and the liquid discharge channel are filled with a cleaning liquid
  • Step B The moving structure controls the sampling needle to move into the first cavity, and at this time, the sampling needle is only sealed by the first sealing node; the cleaning liquid flowing out of the liquid discharge channel rinses the outer wall of the sampling needle and the nozzle channel ;
  • Step C sealing the front end of the sampling needle with the nozzle at the second sealing node, at which time the first sealing node and the second sealing node are sealed;
  • Step D The pinhole of the sampling needle extracts the cleaning liquid from the liquid into the channel, and rinses the inner wall of the pipe.
  • the device and method for automatically cleaning the sampling needle in the invention can clean the inner wall, the outer wall and the mouth of the sampling needle, effectively solve the problem that the sampled needle and the residual sample on the nozzle are difficult to be cleaned after sampling, and effectively prevent the sample from being cleaned.
  • Cross-contamination causes problems in which the instrument test results are inaccurate, and the method provided by the present invention operates the cartridges with high efficiency.
  • FIG. 1 is a schematic structural view of an embodiment of cleaning the inner wall of a sampling needle of the present invention
  • FIG. 2 is a schematic structural view of an embodiment of cleaning the inner wall of the sampling needle of the present invention
  • Embodiment 1 is a diagrammatic representation of the preferred embodiment of the present invention.
  • the cleaning device of the sampling needle of the present invention comprises: a sampling needle 3 and a nozzle 2,
  • the nozzle 2 is provided with a sampling needle movement channel, and the sampling needle movement channel is sequentially provided with a first sealing node 5, a first cavity 8, a second sealing node 6, a second cavity 9, and a capillary sampling tube.
  • the sealing node 11 and the nozzle housing 1 are connected to the sealing node 12, and the first cavity 8 is provided with a liquid inlet passage 13 communicating with the first cavity 8, and the nozzle housing 1 is connected to the sealing node 12
  • the cleaning device further includes a moving structure 4 fixed to the sampling needle 3 for pushing the sampling needle 3.
  • the sampling needle movement channel adopts a lateral setting.
  • the front end of the sampling needle 3 is spherically disposed, and the side of the sampling needle 3 is provided with a pinhole 7.
  • the nozzle housing 1 is provided with a nozzle housing 1.
  • cleaning the inner wall of the sampling needle When the sampling needle 3 needs to be cleaned after sampling, the sampling needle 3 is retracted from the left side to the right side, and the front needle hole 7 is moved into the first cavity 8 and the front end of the sampling needle 3 Sealed at the second sealing node 6 with the nozzle 2, at this time, the first sealing node 5 and the second sealing node 6 at both ends of the needle hole 7 at the front end of the sampling needle 3 are sealed, and the liquid inlet channel 13 is filled with the cleaning liquid, the sampling needle 3 Drain the cleaning fluid to clean the inner wall of the pipe.
  • the sampling needle 3 is the inner wall and the outer wall of the sampling needle 3, and the nozzle 2 channel is cleaned: when the sampling needle 3 needs to be cleaned after the sampling is completed, the sampling needle 3 is retracted from the left side to the right side, and the front end pinhole 7 is moved into the first cavity 8 and The front end of the sampling needle 3 is also in the first cavity 8. At this time, the sampling needle 3 is only sealed by the first sealing node 5, and then the cleaning liquid is charged into the liquid inlet passage 13, and the sampling needle 3 is extracted to clean the inner wall, and the sampling is performed. The needle 3 does not draw the cleaning liquid, and the cleaning liquid flows out from the liquid discharge passage 10, and the outer wall of the sampling needle 3 and the passage of the nozzle 2 can be rinsed clean.
  • Example 4 Example 4
  • the moving structure controls the sampling needle to move into the first cavity, at which time the sampling needle 3 is only sealed by the first sealing node 5; the cleaning liquid flowing out of the liquid discharge channel 10 will sample the outer wall of the needle 3 and the nozzle 2 channels are rinsed clean;
  • sampling needle 3 is again sealed with the mouthpiece 2 at the second sealing node 6, at which point the first sealing node 5 and the second sealing node 6 are both sealed; rinsed clean.

Abstract

Disclosed are a sampling needle automatic washing apparatus and method therefor. The sampling needle automatic washing apparatus comprises: a sampling needle (3) and a connection mouth (2), a sampling needle movement channel provided within the connection mouth (2), a first sealed node (5), a first cavity (8), a second sealed node (6), a second cavity (9), and a connection mouth housing (1)-connecting sealed node (12) sequentially provided at the sampling needle movement channel, a liquid inlet channel (13) provided below the first cavity (8) and in communication with the first cavity (8), and a liquid outlet channel (10) provided at the connection mouth (1)-connecting sealed node (12) and in communication with the sampling needle movement channel. Employment of the automatic washing apparatus and method allows for the inner wall and the outer wall of the sampling needle and the connection mouth to be washed clean, effectively solves the difficulty in cleaning off sample residues from the sampling needle and the connection mouth after sampling, and the problem of inaccurate testing results of an instrument due to cross-contamination of samples.

Description

一种采样针的自动清洗装置及其方法 技术领域  Automatic cleaning device for sampling needle and method thereof
本发明涉及采样针清洗方式， 尤其涉及一种采样针和自动清洗装置及其 方法。  The present invention relates to a cleaning method for a sampling needle, and more particularly to a sampling needle and an automatic cleaning device and method thereof.
背景技术 Background technique
目前血气电解质分析仪手动采样架的采样针只能自动清洗针管内壁， 清 洗方式为插入接嘴内进行抽取清洗液来清洗针管内壁。 对外壁清洗一般是操 作人员在采样后手动清洗外壁， 这样提高了人工成本， 并且不能彻底清洗采 样针， 这样对下次的检测造成了污染， 不能准确地检测。  At present, the sampling needle of the manual sample rack of the blood gas electrolyte analyzer can only automatically clean the inner wall of the needle tube, and the cleaning method is to insert the cleaning liquid into the nozzle to clean the inner wall of the needle tube. External wall cleaning is generally performed by the operator manually cleaning the outer wall after sampling, which increases labor costs and does not completely clean the sampling needle, which causes contamination for the next inspection and cannot be accurately detected.
发明内容 Summary of the invention
为了解决以上技术问题， 本发明提供了一种采样针的自动清洗装置， 包 括： 采样针和接嘴， 所述接嘴内设置有采样针运动通道， 所述采样针运动通 道依次设置有第一密封节点、 第一空腔、 第二密封节点、 第二空腔、 毛细血 管采样管密封节点和接嘴外壳连接密封节点， 所述第一空腔下方设置有与所 述第一空腔相通的液体进入通道， 所述接嘴外壳连接密封节点处设置有与所 述采样针运动通道相通的液体排出通道。  In order to solve the above technical problem, the present invention provides an automatic cleaning device for a sampling needle, comprising: a sampling needle and a nozzle, wherein the nozzle is provided with a sampling needle movement channel, and the sampling needle movement channel is sequentially provided with a first a sealing node, a first cavity, a second sealing node, a second cavity, a capillary sampling tube sealing node and a mouth housing connecting the sealing node, and the first cavity is disposed below the first cavity The liquid enters the channel, and the mouth casing is connected to the sealing node and is provided with a liquid discharge channel communicating with the sampling needle movement channel.
其中， 清洗液为市面上一般能清洗采样针的清洗液。  Among them, the cleaning liquid is a cleaning liquid which can generally clean the sampling needle on the market.
本发明采用以上技术特征， 其优点在于， 本装置可以自动清洗采样针内 壁、 外壁及接嘴， 有效的解决采样后采样针和接嘴上残留样品难以清洗干净 的问题， 有效防止因样品交叉污染引起仪器测试结果不准确的问题。  The invention adopts the above technical features, and has the advantages that the device can automatically clean the inner wall, the outer wall and the nozzle of the sampling needle, effectively solve the problem that the residual sample on the sampling needle and the nozzle is difficult to be cleaned after sampling, and effectively prevent cross-contamination due to the sample. Problems that cause inaccurate instrument test results.
优选的， 所述自动清洗装置还包括与所述采样针固定的运动结构， 用于 推动所述采样针。 本发明进一步采用以上技术特征， 其优点在于， 运动结构的设置使本自 动清洗装置的自动性能， 进一步提高了工作效率。 Preferably, the automatic cleaning device further comprises a moving structure fixed to the sampling needle for pushing the sampling needle. The present invention further adopts the above technical features, and has the advantages that the setting of the moving structure makes the automatic performance of the automatic cleaning device further improve the working efficiency.
优选的， 所述采样针运动通道采用横向设置。  Preferably, the sampling needle movement channel adopts a lateral setting.
本发明进一步采用以上技术特征， 其优点在于， 横向的设置使该自动清 洗装置更加平稳， 增加测试结果的准确率。  The present invention further adopts the above technical features, and has the advantage that the horizontal setting makes the automatic cleaning device more stable and increases the accuracy of the test results.
优选的， 所述采样针的前端采用球面设置， 所述采样针的前端侧面设置 有针孔。  Preferably, the front end of the sampling needle is disposed on a spherical surface, and a front end side of the sampling needle is provided with a pinhole.
本发明进一步采用以上技术特征， 其优点在于， 采样针的前端采用球面 设置， 便于采样针的旋转， 使采样针孔与所述采样针运动通道之间无摩擦， 提高了设备的使用寿命。  The invention further adopts the above technical features, and has the advantages that the front end of the sampling needle is arranged by a spherical surface, which facilitates the rotation of the sampling needle, so that there is no friction between the sampling pinhole and the movement path of the sampling needle, thereby improving the service life of the device.
优选的， 所述接嘴上设置有接嘴外壳。  Preferably, the nozzle is provided with a nozzle housing.
本发明还提供了一种采样针的自动清洗装置的清洗方法， 包括以下几个 步骤：  The invention also provides a cleaning method for an automatic cleaning device for sampling needles, comprising the following steps:
步骤 A: 所述液体进入通道充入清洗液；  Step A: the liquid inlet channel is filled with the cleaning liquid;
步骤 B: 所述运动结构控制所述采样针运动到第一空腔内， 并且所述采样 针的前端在第二密封节点处与所述接嘴密封， 此时所述第一密封节点和所述 第二密封节点均已密封；  Step B: the moving structure controls the sampling needle to move into the first cavity, and the front end of the sampling needle is sealed with the nozzle at the second sealing node, and the first sealing node and the Said second sealing node is sealed;
步骤 C: 所述采样针的针孔抽取清洗液， 将管道内壁沖洗干净。 Step C: The pinhole of the sampling needle is used to extract the cleaning liquid, and the inner wall of the pipe is rinsed clean.
本发明还提供了另外一种采样针的自动清洗装置的清洗方法， 包括以下 几个步骤：  The invention also provides a cleaning method for another automatic cleaning device for sampling needles, comprising the following steps:
步骤 A: 所述液体排出通道充入清洗液；  Step A: the liquid discharge channel is filled with a cleaning liquid;
步骤 B: 所述运动结构控制所述采样针运动到第一空腔内， 此时采样针只 有所述第一密封节点密封； 步骤 c: 清洗液从所述液体排出通道流出， 将采样针外壁和接嘴通道沖洗 干净。 Step B: the moving structure controls the sampling needle to move into the first cavity, and at this time, the sampling needle is only sealed by the first sealing node; Step c: The cleaning liquid flows out from the liquid discharge passage, and the outer wall of the sampling needle and the nozzle passage are rinsed clean.
本发明还提供了另外一种采样针的自动清洗装置的清洗方法， 包括以下 几个步骤：  The invention also provides a cleaning method for another automatic cleaning device for sampling needles, comprising the following steps:
步骤 A: 所述液体进入通道和所述液体排出通道充入清洗液；  Step A: the liquid inlet channel and the liquid discharge channel are filled with a cleaning liquid;
步骤 B: 所述运动结构控制所述采样针运动到第一空腔内， 此时采样针只 有第一密封节点密封； 所述液体排出通道流出的清洗液将采样针外壁和接嘴 通道沖洗干净；  Step B: The moving structure controls the sampling needle to move into the first cavity, and at this time, the sampling needle is only sealed by the first sealing node; the cleaning liquid flowing out of the liquid discharge channel rinses the outer wall of the sampling needle and the nozzle channel ;
步骤 C: 再将所述采样针的前端在第二密封节点处与所述接嘴密封， 此时 所述第一密封节点和所述第二密封节点均已密封；  Step C: sealing the front end of the sampling needle with the nozzle at the second sealing node, at which time the first sealing node and the second sealing node are sealed;
步骤 D: 所述采样针的针孔抽取所述液体进入通道中的清洗液， 将管道内 壁沖洗干净。  Step D: The pinhole of the sampling needle extracts the cleaning liquid from the liquid into the channel, and rinses the inner wall of the pipe.
本发明中的采样针自动清洗的装置和方法可将采样针内壁、 外壁及接嘴 都可以清洗干净， 有效的解决采样后采样针和接嘴上残留样品难以清洗干净 的问题， 有效防止因样品交叉污染引起仪器测试结果不准确的问题， 并且本 发明提供的方法操作筒单， 效率高。  The device and method for automatically cleaning the sampling needle in the invention can clean the inner wall, the outer wall and the mouth of the sampling needle, effectively solve the problem that the sampled needle and the residual sample on the nozzle are difficult to be cleaned after sampling, and effectively prevent the sample from being cleaned. Cross-contamination causes problems in which the instrument test results are inaccurate, and the method provided by the present invention operates the cartridges with high efficiency.
附图说明 DRAWINGS
图 1是本发明采样针内壁清洗一种实施例的结构示意图；  1 is a schematic structural view of an embodiment of cleaning the inner wall of a sampling needle of the present invention;
图 2是本发明采样针内壁清洗一种实施例的结构示意图；  2 is a schematic structural view of an embodiment of cleaning the inner wall of the sampling needle of the present invention;
具体实施方式 detailed description
下面结合附图， 对本发明的较优的实施例作进一步的详细说明： 实施例 1  The preferred embodiments of the present invention are further described in detail below with reference to the accompanying drawings: Embodiment 1
如图 1和图 2所示，本发明的采样针的清洗装置，包括：采样针 3和接嘴 2 , 所述接嘴 2内设置有采样针运动通道， 所述采样针运动通道依次设置有第一 密封节点 5、 第一空腔 8、 第二密封节点 6、 第二空腔 9、 毛细血管采样管密封 节点 11和接嘴外壳 1连接密封节点 12 , 所述第一空腔 8下方设置有与所述第一 空腔 8相通的液体进入通道 13 , 所述接嘴外壳 1连接密封节点 12处设置有与所 述采样针运动通道相通的液体排出通道 10。 As shown in FIG. 1 and FIG. 2, the cleaning device of the sampling needle of the present invention comprises: a sampling needle 3 and a nozzle 2, The nozzle 2 is provided with a sampling needle movement channel, and the sampling needle movement channel is sequentially provided with a first sealing node 5, a first cavity 8, a second sealing node 6, a second cavity 9, and a capillary sampling tube. The sealing node 11 and the nozzle housing 1 are connected to the sealing node 12, and the first cavity 8 is provided with a liquid inlet passage 13 communicating with the first cavity 8, and the nozzle housing 1 is connected to the sealing node 12 There is a liquid discharge passage 10 communicating with the sampling needle movement passage.
所述清洗装置还包括与所述采样针 3固定的运动结构 4 ,用于推动所述采 样针 3。  The cleaning device further includes a moving structure 4 fixed to the sampling needle 3 for pushing the sampling needle 3.
所述采样针运动通道采用横向设置。  The sampling needle movement channel adopts a lateral setting.
所述采样针 3的前端采用球面设置， 所述采样针 3的侧面设置有针孔 7。 所述接嘴 2上设置有接嘴外壳 1。  The front end of the sampling needle 3 is spherically disposed, and the side of the sampling needle 3 is provided with a pinhole 7. The nozzle housing 1 is provided with a nozzle housing 1.
实施例 2  Example 2
如图 1所示， 为采样针内壁清洗： 当采样针 3采样完成后需要清洗时， 采样针 3从左侧退回右侧， 前端针孔 7运动到第一空腔 8内并且采样针 3前 端在第二密封节点 6处与接嘴 2密封， 此时采样针 3前端针孔 7两端的第一 密封节点 5和第二密封节点 6均已密封， 液体进入通道 13充入清洗液， 采 样针 3抽取清洗液可将管道内壁沖洗干净。  As shown in Figure 1, cleaning the inner wall of the sampling needle: When the sampling needle 3 needs to be cleaned after sampling, the sampling needle 3 is retracted from the left side to the right side, and the front needle hole 7 is moved into the first cavity 8 and the front end of the sampling needle 3 Sealed at the second sealing node 6 with the nozzle 2, at this time, the first sealing node 5 and the second sealing node 6 at both ends of the needle hole 7 at the front end of the sampling needle 3 are sealed, and the liquid inlet channel 13 is filled with the cleaning liquid, the sampling needle 3 Drain the cleaning fluid to clean the inner wall of the pipe.
实施例 3  Example 3
图 2为采样针 3内壁和外壁， 接嘴 2通道清洗： 当采样针 3采样完成后 需要清洗时， 采样针 3从左侧退回右侧，前端针孔 7运动到第一空腔 8 内并 且采样针 3前端也在第一空腔 8内，此时采样针 3只有第一密封节点 5密封， 再往液体进入通道 13充入清洗液，采样针 3抽取清洗液可将内壁沖洗干净， 采样针 3不抽取清洗液， 清洗液从液体排出通道 10流出， 则可将采样针 3 外壁和接嘴 2的通道沖洗干净。 实施例 4 2 is the inner wall and the outer wall of the sampling needle 3, and the nozzle 2 channel is cleaned: when the sampling needle 3 needs to be cleaned after the sampling is completed, the sampling needle 3 is retracted from the left side to the right side, and the front end pinhole 7 is moved into the first cavity 8 and The front end of the sampling needle 3 is also in the first cavity 8. At this time, the sampling needle 3 is only sealed by the first sealing node 5, and then the cleaning liquid is charged into the liquid inlet passage 13, and the sampling needle 3 is extracted to clean the inner wall, and the sampling is performed. The needle 3 does not draw the cleaning liquid, and the cleaning liquid flows out from the liquid discharge passage 10, and the outer wall of the sampling needle 3 and the passage of the nozzle 2 can be rinsed clean. Example 4
1.将所述液体进入通道 13和所述液体排出通道 1 Q充入清洗液；  1. charging the liquid inlet passage 13 and the liquid discharge passage 1 Q into the cleaning liquid;
2.所述运动结构控制所述采样针运动到第一空腔内， 此时采样针 3只有第 一密封节点 5密封； 所述液体排出通道 10流出的清洗液将采样针 3外壁和接嘴 2通道沖洗干净；  2. The moving structure controls the sampling needle to move into the first cavity, at which time the sampling needle 3 is only sealed by the first sealing node 5; the cleaning liquid flowing out of the liquid discharge channel 10 will sample the outer wall of the needle 3 and the nozzle 2 channels are rinsed clean;
3.再将所述采样针 3的前端在第二密封节点 6处与所述接嘴 2密封， 此时所 述第一密封节点 5和所述第二密封节点 6均已密封； 沖洗干净。  3. The front end of the sampling needle 3 is again sealed with the mouthpiece 2 at the second sealing node 6, at which point the first sealing node 5 and the second sealing node 6 are both sealed; rinsed clean.
以上内容是结合具体的优选实施方式对本发明所作的进一步详细说明， 不能认定本发明的具体实施只局限于这些说明。 对于本发明所属技术领域的 普通技术人员来说， 在不脱离本发明构思的前提下， 还可以做出若干筒单推 演或替换， 都应当视为属于本发明的保护范围。  The above is a further detailed description of the present invention in connection with the specific preferred embodiments, and the specific embodiments of the present invention are not limited to the description. It will be apparent to those skilled in the art that the present invention can be made without departing from the spirit and scope of the invention.

Claims

权利要求书 Claim
1. 一种采样针的自动清洗装置， 其特征在于， 包括： 采样针和接嘴， 所述 接嘴内设置有采样针运动通道， 所述采样针运动通道依次设置有第一密 封节点、第一空腔、第二密封节点、第二空腔和接嘴外壳连接密封节点， 所述第一空腔下方设置有与所述第一空腔相通的液体进入通道， 所述接 嘴外壳连接密封节点处设置有与所述采样针运动通道相通的液体排出通 道。  An automatic cleaning device for sampling needles, comprising: a sampling needle and a nozzle, wherein the nozzle is provided with a sampling needle movement channel, and the sampling needle movement channel is sequentially provided with a first sealing node, a cavity, a second sealing node, a second cavity and a mouthpiece are connected to the sealing node, and a liquid inlet passage communicating with the first cavity is disposed under the first cavity, and the mouthpiece is connected and sealed A liquid discharge passage communicating with the sampling needle movement passage is disposed at the node.
2. 如权利要求 1所述的采样针的自动清洗装置， 其特征在于， 所述清洗装置 还包括与所述采样针固定的运动结构， 用于推动所述采样针。  2. The automatic cleaning device for a sampling needle according to claim 1, wherein the cleaning device further comprises a moving structure fixed to the sampling needle for pushing the sampling needle.
3. 如权利要求 1所述的采样针的自动清洗装置， 其特征在于， 所述采样针运 动通道采用横向设置。  3. The automatic cleaning device for a sampling needle according to claim 1, wherein the sampling needle movement passage is disposed in a lateral direction.
4. 如权利要求 1所述的采样针的自动清洗装置， 其特征在于， 所述采样针的 前端采用球面设置， 所述采样针的前端侧面设置有针孔。  4. The automatic cleaning device for a sampling needle according to claim 1, wherein a front end of the sampling needle is disposed on a spherical surface, and a front end side of the sampling needle is provided with a pinhole.
5. 如权利要求 1所述的采样针的自动清洗装置， 其特征在于， 所述接嘴上设 置有接嘴外壳。  5. The automatic cleaning device for a sampling needle according to claim 1, wherein the nozzle is provided with a nozzle housing.
6. 如权利要求 1至 5任一项所述的采样针的自动清洗装置的清洗方法， 其特 征在于， 包括以下几个步骤：  The cleaning method of the automatic cleaning device for a sampling needle according to any one of claims 1 to 5, characterized in that it comprises the following steps:
步骤 A: 所述液体进入通道充入清洗液；  Step A: the liquid inlet channel is filled with the cleaning liquid;
步骤 B: 所述运动结构控制所述采样针运动到第一空腔内， 并且所述采样 针的前端在第二密封节点处与所述接嘴密封， 此时所述第一密封节点和所述 第二密封节点均已密封；  Step B: the moving structure controls the sampling needle to move into the first cavity, and the front end of the sampling needle is sealed with the nozzle at the second sealing node, and the first sealing node and the Said second sealing node is sealed;
步骤 C: 所述采样针的针孔抽取清洗液， 将管道内壁沖洗干净。  Step C: The pinhole of the sampling needle is used to extract the cleaning liquid, and the inner wall of the pipe is rinsed clean.
7. 如权利要求 1至 5任一项所述的采样针的自动清洗装置的清洗方法， 其特 征在于， 包括以下几个步骤： The method for cleaning an automatic cleaning device for a sampling needle according to any one of claims 1 to 5, wherein The question is to include the following steps:
步骤 A: 所述液体排出通道充入清洗液；  Step A: the liquid discharge channel is filled with a cleaning liquid;
步骤 B: 所述运动结构控制所述采样针运动到第一空腔内， 此时采样针只 有所述第一密封节点密封；  Step B: the moving structure controls the sampling needle to move into the first cavity, and at this time, the sampling needle is only sealed by the first sealing node;
步骤 C: 清洗液从所述液体排出通道流出， 将采样针外壁和接嘴通道沖洗 干净。  Step C: The cleaning liquid flows out from the liquid discharge passage, and the outer wall of the sampling needle and the nozzle passage are rinsed clean.
8. 如权利要求 1至 5任一项所述的采样针的自动清洗装置的清洗方法， 其特 征在于， 包括以下几个步骤：  The cleaning method of the automatic cleaning device for a sampling needle according to any one of claims 1 to 5, which comprises the following steps:
步骤 A: 所述液体进入通道和所述液体排出通道充入清洗液；  Step A: the liquid inlet channel and the liquid discharge channel are filled with a cleaning liquid;
步骤 B: 所述运动结构控制所述采样针运动到第一空腔内， 此时采样针只 有第一密封节点密封； 所述液体排出通道流出的清洗液将采样针外壁和接嘴 通道沖洗干净；  Step B: The moving structure controls the sampling needle to move into the first cavity, and at this time, the sampling needle is only sealed by the first sealing node; the cleaning liquid flowing out of the liquid discharge channel rinses the outer wall of the sampling needle and the nozzle channel ;
步骤 C: 再将所述采样针的前端在第二密封节点处与所述接嘴密封， 此时 所述第一密封节点和所述第二密封节点均已密封；  Step C: sealing the front end of the sampling needle with the nozzle at the second sealing node, at which time the first sealing node and the second sealing node are sealed;
步骤 D: 所述采样针的针孔抽取所述液体进入通道中的清洗液， 将管道内 壁沖洗干净。  Step D: The pinhole of the sampling needle extracts the cleaning liquid from the liquid into the channel, and rinses the inner wall of the pipe.
PCT/CN2013/074928 2012-07-06 2013-04-28 Sampling needle automatic washing apparatus and method therefor WO2014005463A1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9950115B2 (en) 2014-08-18 2018-04-24 Windgap Medical, Inc. Portable drug mixing and delivery device and associated methods
CN113567598A (en) * 2021-07-23 2021-10-29 镇江和瑞环境技术有限公司 Sample injector with automatic positioning, collecting and cleaning functions and use method thereof

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104138880B (en) * 2014-07-29 2015-12-16 安图实验仪器(郑州)有限公司 Reagent needles washes station
CN106694457B (en) * 2016-12-08 2019-10-11 宁波科尼管洁净科技有限公司 Can washing apparatus and its cleaning method
EP3438674B1 (en) * 2017-08-01 2022-06-22 Euroimmun Medizinische Labordiagnostika AG Method and device for cleaning pippeting tips

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5408891A (en) * 1992-12-17 1995-04-25 Beckman Instruments, Inc. Fluid probe washing apparatus and method
JPH08248035A (en) * 1995-01-31 1996-09-27 Johnson & Johnson Clinical Diagnostics Inc Device for cleaning probe used in analyzer
US5603342A (en) * 1995-06-29 1997-02-18 Coulter Corporation Apparatus for cleaning a fluid sample probe
CN101099969A (en) * 2006-07-04 2008-01-09 深圳迈瑞生物医疗电子股份有限公司 Wiper for cleaning sampling needle
US20090032065A1 (en) * 2005-12-08 2009-02-05 Bantz Daniel L Syringe wash station for analytical applications
CN201431985Y (en) * 2009-05-31 2010-03-31 合肥皖仪生物电子有限公司 Cleaning device used for cleaning outer wall of sampling needle
CN102072962A (en) * 2011-01-31 2011-05-25 深圳市蓝韵实业有限公司 Device for washing sampling needle of hematology analyzer
CN102755978A (en) * 2012-07-23 2012-10-31 深圳市麦迪聪医疗电子有限公司 Device and method for cleaning sampling needle automatically
CN202779074U (en) * 2012-07-23 2013-03-13 深圳市麦迪聪医疗电子有限公司 Automatic cleaner for sampling needles

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1445389A (en) * 1973-10-16 1976-08-11 Chemlab Mfg Ltd Sampling arrangements
US5372782A (en) * 1992-05-29 1994-12-13 Ciba Corning Diagnostics Corp. Automated sampling device for medical diagnostic instrument
DE19610607A1 (en) * 1996-03-18 1997-09-25 Boehringer Mannheim Gmbh Device for cleaning pipetting needles or stirrers
FR2904417B1 (en) * 2006-07-26 2008-12-05 C2 Diagnostics Sa "SAMPLING DEVICE AND METHOD USED IN AN ANALYSIS AUTOMAT"

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5408891A (en) * 1992-12-17 1995-04-25 Beckman Instruments, Inc. Fluid probe washing apparatus and method
JPH08248035A (en) * 1995-01-31 1996-09-27 Johnson & Johnson Clinical Diagnostics Inc Device for cleaning probe used in analyzer
US5603342A (en) * 1995-06-29 1997-02-18 Coulter Corporation Apparatus for cleaning a fluid sample probe
US20090032065A1 (en) * 2005-12-08 2009-02-05 Bantz Daniel L Syringe wash station for analytical applications
CN101099969A (en) * 2006-07-04 2008-01-09 深圳迈瑞生物医疗电子股份有限公司 Wiper for cleaning sampling needle
CN201431985Y (en) * 2009-05-31 2010-03-31 合肥皖仪生物电子有限公司 Cleaning device used for cleaning outer wall of sampling needle
CN102072962A (en) * 2011-01-31 2011-05-25 深圳市蓝韵实业有限公司 Device for washing sampling needle of hematology analyzer
CN102755978A (en) * 2012-07-23 2012-10-31 深圳市麦迪聪医疗电子有限公司 Device and method for cleaning sampling needle automatically
CN202779074U (en) * 2012-07-23 2013-03-13 深圳市麦迪聪医疗电子有限公司 Automatic cleaner for sampling needles

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9950115B2 (en) 2014-08-18 2018-04-24 Windgap Medical, Inc. Portable drug mixing and delivery device and associated methods
CN113567598A (en) * 2021-07-23 2021-10-29 镇江和瑞环境技术有限公司 Sample injector with automatic positioning, collecting and cleaning functions and use method thereof
CN113567598B (en) * 2021-07-23 2023-11-28 镇江和瑞环境技术有限公司 Sampler with automatic positioning, collecting and cleaning functions and use method thereof

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