WO2021088237A1 - Body fluid pipeline sampling method - Google Patents

Body fluid pipeline sampling method Download PDF

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Publication number
WO2021088237A1
WO2021088237A1 PCT/CN2019/129909 CN2019129909W WO2021088237A1 WO 2021088237 A1 WO2021088237 A1 WO 2021088237A1 CN 2019129909 W CN2019129909 W CN 2019129909W WO 2021088237 A1 WO2021088237 A1 WO 2021088237A1
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Prior art keywords
body fluid
clamping
fluid pipe
pipe
fluid pipeline
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PCT/CN2019/129909
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French (fr)
Chinese (zh)
Inventor
梅埃尔霍夫·甘特
科佩茨基·罗伯特
何俊
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武汉佰科宏成生物科技有限公司
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Publication of WO2021088237A1 publication Critical patent/WO2021088237A1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/10—Devices for withdrawing samples in the liquid or fluent state

Definitions

  • the invention relates to the technical field of blood component packaging, in particular to a body fluid pipeline sampling method.
  • Autologous serum contains self-rich active polypeptide small molecule repair factors and adhesion proteins, which can effectively activate the re-secretion of the lacrimal gland, repair the function of the lacrimal gland, and greatly alleviate the symptoms of xerophthalmia, ashamedy, foreign body sensation, dry eyes, and achieve alleviation and The purpose of curing xerophthalmia.
  • autologous serum due to the application of autologous serum, there is no rejection, no allergic reaction, no toxic side effects, and 100% safety. It is a new biological therapy for treating dry eyes with an incidence of more than 20%.
  • the autologous serum When the autologous serum is produced, it is encapsulated in a small segmented blood bag tube.
  • the autologous serum in the tube is a one-time use, and the autologous serum in the tube must be taken out before use.
  • the purpose of the present invention is to provide a body fluid pipeline sampling method in view of the above-mentioned current situation to solve the above-mentioned problems.
  • the technical solution adopted by the present invention is: a body fluid pipeline sampling method, which includes the following steps: S1, simultaneously making openings at both ends of the body fluid pipeline, S2, injecting air into the body fluid pipeline from the opening at one end of the body fluid pipeline, S3, waiting Take out the fluid from the other end of the body fluid pipe.
  • this solution punctures both ends of the body fluid pipe while assembling the carrier body and the body fluid pipe fixing part, and blows in air to discharge the liquid.
  • the operation is very simple and there is no liquid leakage. .
  • Figure 1 shows a schematic diagram of the steps of a method for sampling a body fluid pipe provided by the present invention
  • FIG. 2 is a schematic structural view of the U-shaped liquid extractor provided by the present invention.
  • Figure 3 is a schematic diagram of the explosive structure of the U-shaped liquid extractor provided by the present invention.
  • Fig. 4 is a schematic cross-sectional view of the carrier in Fig. 2;
  • Fig. 5 is a schematic diagram showing the structure of the body fluid pipe fixing part in Fig. 2.
  • a method for sampling a body fluid pipe includes the following steps:
  • the liquid to be taken out flows from the other end of the body fluid pipe.
  • step S1 includes the following steps:
  • step S12 includes the following steps:
  • One end of the body fluid pipe from which fluid is to be taken extends into the first clamping end, and the first clamping end clamps the end of the body fluid pipe;
  • step S13 includes the following steps:
  • the first clamping block forms a clamping connection with the end of the first fixing plate
  • the second clamping block forms a clamping connection with the end of the second fixing plate
  • the first clamping end extends into the first pipe
  • the second clamping The end extends into the second pipe
  • the first puncture needle in the first tube punctures one end of the body fluid tube, and the second puncture needle in the second tube punctures the other end of the body fluid tube.
  • step S2 includes the following steps:
  • step S3 includes the following steps:
  • the input air discharges the liquid in the body fluid pipe from the end of the body fluid pipe pierced by the second puncture needle;
  • the liquid in the body fluid pipeline is discharged from the second lancet into the discharge area, and finally discharged from the U-shaped liquid extractor to the outside.
  • the present invention also provides a U-shaped liquid extractor.
  • a U-shaped liquid extractor provided by the present invention includes: a carrier 1, a body fluid pipe fixing part 2 and a boosting part 3, the body fluid pipe fixing part 2 and the The carrier 1 is clamped, and the booster 3 is movably connected with the carrier 1.
  • the carrier 1 includes a first straight cylindrical portion 11, a second straight cylindrical portion 12, and a fixing portion 13 fixed between the first straight cylindrical portion 11 and the second straight cylindrical portion 12. One end and one end of the second straight cylindrical portion 12 are clamped with the body fluid pipe fixing portion 2, and the boosting portion 3 is movably connected with the other end of the first straight cylindrical portion 11.
  • the first straight tube portion 11 includes a first pipe 111, a first partition 112, and a first lancet 113.
  • the first partition 112 is disposed in the first pipe 111 to divide the first pipe 111 into gas injection
  • the first puncture area 114 and the first puncture area 115, the first puncture needle 113 is fixed on the first partition 112 and the first puncture needle 113 faces the first puncture area 115, and the inside of the first puncture needle 113
  • the pipeline of is connected to the gas injection area 114 and conducted.
  • the second straight portion 12 includes a second pipe 121, a second partition 122, and a second lancet 123.
  • the second partition 122 is arranged in the second pipe 121 to divide the second pipe 121 into drains.
  • the second puncture area 124 and the second puncture area 125, the second puncture needle 113 is fixed on the second partition 122 and the second puncture needle 123 faces the second puncture area 125, inside the second puncture needle 123
  • the pipeline is connected to the drain area 124 and conducted.
  • the fixing portion 13 includes a first fixing plate 131 and a second fixing plate 132.
  • the sides of the first fixing plate 131 are fixed to the first straight cylindrical portion 11 and the second straight cylindrical portion 12, and the second The side of the fixing plate 132 is fixed to the first straight cylindrical portion 11 and the second straight cylindrical portion 12, and a clamping space is formed between the first fixing plate 131 and the second fixing plate 132.
  • the surface of the first fixing plate 131 facing the second fixing plate 132 is provided with a first guide groove 133, and the surface of the second fixing plate 132 facing the first fixing plate 131 is provided with a second guide groove 134.
  • the body fluid pipe fixing portion 2 includes a first clamping end 21, a second clamping end 22, a first clamping plate 23, and a second clamping plate 24.
  • the two sides of the first clamping plate 23 are respectively It is fixed to the first clamping end 21 and the second clamping end 22, and the two sides of the second clamping plate 24 are respectively clamped to the first clamping end 21 and the second clamping end. End 22 is fixed.
  • the first clamping end 21 is matched with the first piercing area 115, and the diameter of the first clamping end 21 is gradually reduced along the axial direction. As a result, one end of the blood tube containing blood components can be fixed.
  • the second clamping end 22 matches the second piercing area 125, and the diameter of the second clamping end 22 gradually decreases along the axis direction. As a result, the other end of the blood tube containing blood components can be fixed.
  • the surface of the first clamping plate 23 away from the second clamping plate 24 is provided with a first protruding strip 231 that matches the first guide groove 133, and an end of the first clamping plate 23 A first clamping block 232 is provided.
  • a second protruding strip 241 matching the second guide groove 134 is provided on the surface of the second clamping plate 24 away from the first clamping plate 23, and an end of the second clamping plate 24 A second clamping block 242 is provided.
  • the first clamping end 21 extends into the first puncture area 115
  • the second clamping end 22 extends into the first puncture area 115.
  • the first protruding strip 231 is embedded in the first guide groove 133
  • the second protruding strip 241 is embedded in the second guide groove 134
  • the first card The connecting block 232 and the second clamping block 242 respectively form a clamping connection with the end of the first fixing plate 131 and the end of the second fixing plate 132.
  • the boosting part 3 includes a push rod 31 and a piston head 32, the piston head 32 is disposed on one end of the push rod 31, and the piston head 32 extends into the gas injection region 114.
  • the piston head 32 can slide in the gas injection region 114.
  • the gas injection area 114 is filled with air.
  • This solution pierces both ends of the body fluid pipe while assembling the carrier body and the body fluid pipe fixing part, and blows in air to discharge the liquid.
  • the operation is very simple and there is no liquid leakage.

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

Disclosed is a body fluid pipeline sampling method, comprising the following steps: S1, simultaneously making openings at two ends of a body fluid pipeline; S2, injecting air into the body fluid pipeline from the opening at one end of the body fluid pipeline; and S3, fluid to be extracted flowing out from the other end of the body fluid pipeline. According to the present solution, when a bearing body (1) and a body fluid pipeline fixing portion (2) are assembled, the two ends of the body fluid pipeline are punctured, and the air is blown into same to discharge fluid, such that operation is quite easy and convenient, and fluid leakage cannot occur.

Description

一种体液管道取样方法Method for sampling body fluid pipeline 技术领域Technical field
本发明涉及血液成分分装技术领域，具体涉及一种体液管道取样方法。The invention relates to the technical field of blood component packaging, in particular to a body fluid pipeline sampling method.
背景技术Background technique
近年来，出现了一种通过从全血提取自体血清生物修复治疗中到重症眼干症的治疗方法。自体血清含有自体丰富的活性多肽小分子修复因子和粘连蛋白，可有效激活泪腺的再分泌，修复泪腺的功能，大大缓解眼干症的症状、眼红，眼异物感，眼干感，达到缓解和治愈眼干症的目的。同时因应用自体血清，无排斥、无过敏反应，无毒副作用，100％安全，是治疗发病率在20％以上眼干症的生物新疗法。In recent years, there has been a bioremediation treatment of severe xerophthalmia through autologous serum extracted from whole blood. Autologous serum contains self-rich active polypeptide small molecule repair factors and adhesion proteins, which can effectively activate the re-secretion of the lacrimal gland, repair the function of the lacrimal gland, and greatly alleviate the symptoms of xerophthalmia, jealousy, foreign body sensation, dry eyes, and achieve alleviation and The purpose of curing xerophthalmia. At the same time, due to the application of autologous serum, there is no rejection, no allergic reaction, no toxic side effects, and 100% safety. It is a new biological therapy for treating dry eyes with an incidence of more than 20%.
自体血清在生产出来时，是封装在细小的分段的血袋管导内，管道内的自体血清是一次的使用量，使用时须将管道内自体血清取出。When the autologous serum is produced, it is encapsulated in a small segmented blood bag tube. The autologous serum in the tube is a one-time use, and the autologous serum in the tube must be taken out before use.
但由于试剂本身较细，传统所采用的方法是将体液管道的一端剪开，但存在以下问题：剪开后容易出现自体血清溢出，造成自体血清的浪费。However, because the reagent itself is relatively thin, the traditional method used is to cut one end of the body fluid pipe, but there are the following problems: autologous serum is prone to overflow after cutting, resulting in a waste of autologous serum.
发明内容Summary of the invention
本发明的目的是针对上述现状，提供一种体液管道取样方法，以解决上述问题。The purpose of the present invention is to provide a body fluid pipeline sampling method in view of the above-mentioned current situation to solve the above-mentioned problems.
本发明采用的技术方案为：一种体液管道取样方法，其包括以下步骤：S1、同时在体液管道的两端制造开口，S2、从体液管道一端的开口向体液管道内注入空气，S3、待取出液体从体液管道的另一端流出。The technical solution adopted by the present invention is: a body fluid pipeline sampling method, which includes the following steps: S1, simultaneously making openings at both ends of the body fluid pipeline, S2, injecting air into the body fluid pipeline from the opening at one end of the body fluid pipeline, S3, waiting Take out the fluid from the other end of the body fluid pipe.
本发明的效果是：本方案在承载体与体液管道固定部组装的同时就将体液管道的两端刺破，在鼓入空气，将液体排出，操作十分简便；也不会出现液体漏出的情况。The effect of the present invention is: this solution punctures both ends of the body fluid pipe while assembling the carrier body and the body fluid pipe fixing part, and blows in air to discharge the liquid. The operation is very simple and there is no liquid leakage. .
附图说明Description of the drawings
图1所示为本发明提供的体液管道取样方法的步骤示意图；Figure 1 shows a schematic diagram of the steps of a method for sampling a body fluid pipe provided by the present invention;
图2所示为本发明提供的U型液体取出器的结构示意图；Figure 2 is a schematic structural view of the U-shaped liquid extractor provided by the present invention;
图3所示为本发明提供的U型液体取出器的***结构示意图；Figure 3 is a schematic diagram of the explosive structure of the U-shaped liquid extractor provided by the present invention;
图4所示为图2中承载体的截面示意图；Fig. 4 is a schematic cross-sectional view of the carrier in Fig. 2;
图5所示为图2中体液管道固定部的结构示意图。Fig. 5 is a schematic diagram showing the structure of the body fluid pipe fixing part in Fig. 2.
具体实施方式Detailed ways
下面结合附图介绍本发明的体液管道取样方法：The following describes the body fluid pipeline sampling method of the present invention with reference to the accompanying drawings:
如图1所示，本发明提供的一种体液管道取样方法，其包括以下 步骤：As shown in Figure 1, a method for sampling a body fluid pipe provided by the present invention includes the following steps:
S1、同时在体液管道的两端制造开口，S1. Create openings at both ends of the body fluid pipeline at the same time,
S2、从体液管道一端的开口向体液管道内注入空气，S2. Inject air into the body fluid pipe from the opening at one end of the body fluid pipe,
S3、待取出液体从体液管道的另一端流出。S3. The liquid to be taken out flows from the other end of the body fluid pipe.
于本实施例中，所述步骤S1包括以下步骤：In this embodiment, the step S1 includes the following steps:
S11、拉动所述推杆使所述推杆位于注气区域外的部分达到最大状态；S11. Pull the push rod to make the part of the push rod outside the gas injection area reach the maximum state;
S12、将待取液的体液管道的两端分别固定到体液管道固定部上；S12. Fix both ends of the body fluid pipe to be taken to the body fluid pipe fixing part respectively;
S13、将体液管道固定部与承载体卡接，承载体内的刺针将体液管道的两端刺破。S13. Clamp the body fluid pipe fixing part with the carrier body, and the puncture needle in the carrier body pierces both ends of the body fluid pipe.
于本实施例中，所述步骤S12包括以下步骤：In this embodiment, the step S12 includes the following steps:
S121、待取液的体液管道的一端伸入所述第一夹持端内，所述第一夹持端将体液管道的端部夹住；S121. One end of the body fluid pipe from which fluid is to be taken extends into the first clamping end, and the first clamping end clamps the end of the body fluid pipe;
S122、待取液的体液管道的另一端伸入所述第二夹持端内，所述第二夹持端将体液管道的端部夹住。S122. The other end of the body fluid pipe from which the fluid is to be taken extends into the second clamping end, and the second clamping end clamps the end of the body fluid pipe.
于本实施例中，所述步骤S13包括以下步骤：In this embodiment, the step S13 includes the following steps:
S131、将第一卡接板上的第一凸条与第一固定板上的第一导向槽对齐，将第二卡接板上的第二凸条与第二固定板上的第二导向槽对齐；S131. Align the first protruding strip on the first clamping plate with the first guide groove on the first fixing plate, and align the second protruding strip on the second clamping plate with the second guide groove on the second fixing plate Align
S132、推动体液管道固定部，使第一卡接板上的第一凸条逐步滑入第一固定板上的第一导向槽内，使第二卡接板上的第二凸条逐步滑入第二固定板上的第二导向槽内；S132. Push the body fluid pipe fixing part so that the first convex strip on the first clamping plate gradually slides into the first guide groove on the first fixing plate, so that the second convex strip on the second clamping plate gradually slides into In the second guide groove on the second fixing plate;
S133、第一卡接块与第一固定板端部形成卡接，第二卡接块与第二固定板端部形成卡接；第一夹持端伸入第一管道内，第二夹持端伸入第二管道内；S133. The first clamping block forms a clamping connection with the end of the first fixing plate, and the second clamping block forms a clamping connection with the end of the second fixing plate; the first clamping end extends into the first pipe, and the second clamping The end extends into the second pipe;
S134、第一管道内的第一刺针将体液管道的一端刺破，第二管道内的第二刺针将体液管道的另一端刺破。S134. The first puncture needle in the first tube punctures one end of the body fluid tube, and the second puncture needle in the second tube punctures the other end of the body fluid tube.
于本实施例中，所述步骤S2包括以下步骤：In this embodiment, the step S2 includes the following steps:
S21、推动所述推杆，使注气区域内的空气从第一刺针输入体液管道内。S21. Push the push rod so that the air in the gas injection area is input into the body fluid pipeline from the first lancet.
于本实施例中，所述步骤S3包括以下步骤：In this embodiment, the step S3 includes the following steps:
S31、输入的空气将体液管道内的液体从体液管道被第二刺针刺破的一端排出；S31. The input air discharges the liquid in the body fluid pipe from the end of the body fluid pipe pierced by the second puncture needle;
S32、体液管道内的液体从第二刺针排入排液区域内，最终从U型液体取出器排到外界。S32. The liquid in the body fluid pipeline is discharged from the second lancet into the discharge area, and finally discharged from the U-shaped liquid extractor to the outside.
为方便理解，本发明还提供一种U型液体取出器。To facilitate understanding, the present invention also provides a U-shaped liquid extractor.
如图2-图5所示，为本发明提供的一种U型液体取出器，其包括:承载体1、体液管道固定部2及助推部3，所述体液管道固定部2与所述承载体1卡接，所述助推部3与所述承载体1活动连接。As shown in Figures 2 to 5, a U-shaped liquid extractor provided by the present invention includes: a carrier 1, a body fluid pipe fixing part 2 and a boosting part 3, the body fluid pipe fixing part 2 and the The carrier 1 is clamped, and the booster 3 is movably connected with the carrier 1.
所述承载体1包括第一直筒部11、第二直筒部12及固定在所述第一直筒部11、所述第二直筒部12之间的固定部13，所述第一直筒部11的一端、所述第二直筒部12的一端与所述体液管道固定部2卡接，所述助推部3与所述第一直筒部11的另一端活动连接。The carrier 1 includes a first straight cylindrical portion 11, a second straight cylindrical portion 12, and a fixing portion 13 fixed between the first straight cylindrical portion 11 and the second straight cylindrical portion 12. One end and one end of the second straight cylindrical portion 12 are clamped with the body fluid pipe fixing portion 2, and the boosting portion 3 is movably connected with the other end of the first straight cylindrical portion 11.
所述第一直筒部11包括第一管道111、第一隔板112及第一刺 针113，所述第一隔板112设置在所述第一管道111内将所述第一管道111分成注气区域114及第一刺破区域115，所述第一刺针113固定在所述第一隔板112上且所述第一刺针113朝向所述第一刺破区域115，所述第一刺针113内部的管路与所述注气区域114连接导通。The first straight tube portion 11 includes a first pipe 111, a first partition 112, and a first lancet 113. The first partition 112 is disposed in the first pipe 111 to divide the first pipe 111 into gas injection The first puncture area 114 and the first puncture area 115, the first puncture needle 113 is fixed on the first partition 112 and the first puncture needle 113 faces the first puncture area 115, and the inside of the first puncture needle 113 The pipeline of is connected to the gas injection area 114 and conducted.
所述第二直筒部12包括第二管道121、第二隔板122及第二刺针123，所述第二隔板122设置在所述第二管道121内将所述第二管道121分成排液区域124及第二刺破区域125，所述第二刺针113固定在所述第二隔板122上且所述第二刺针123朝向所述第二刺破区域125，所述第二刺针123内部的管路与所述排液区域124连接导通。The second straight portion 12 includes a second pipe 121, a second partition 122, and a second lancet 123. The second partition 122 is arranged in the second pipe 121 to divide the second pipe 121 into drains. The second puncture area 124 and the second puncture area 125, the second puncture needle 113 is fixed on the second partition 122 and the second puncture needle 123 faces the second puncture area 125, inside the second puncture needle 123 The pipeline is connected to the drain area 124 and conducted.
所述固定部13包括第一固定板131及第二固定板132，所述第一固定板131的侧边与所述第一直筒部11及所述第二直筒部12固定，所述第二固定板132的侧边与所述第一直筒部11及所述第二直筒部12固定，所述第一固定板131、所述第二固定板132之间形成卡接空间。The fixing portion 13 includes a first fixing plate 131 and a second fixing plate 132. The sides of the first fixing plate 131 are fixed to the first straight cylindrical portion 11 and the second straight cylindrical portion 12, and the second The side of the fixing plate 132 is fixed to the first straight cylindrical portion 11 and the second straight cylindrical portion 12, and a clamping space is formed between the first fixing plate 131 and the second fixing plate 132.
所述第一固定板131朝向所述第二固定板132的面上开设有第一导向槽133，所述第二固定板132朝向所述第一固定板131的面上开设有第二导向槽134。The surface of the first fixing plate 131 facing the second fixing plate 132 is provided with a first guide groove 133, and the surface of the second fixing plate 132 facing the first fixing plate 131 is provided with a second guide groove 134.
所述体液管道固定部2包括第一夹持端21、第二夹持端22、第一卡接板23及第二卡接板24，所述第一卡接板23的两条侧边分别与所述第一夹持端21、所述第二夹持端22固定，所述第二卡接板24的两条侧边分别与所述第一夹持端21、所述第二夹持端22固定。The body fluid pipe fixing portion 2 includes a first clamping end 21, a second clamping end 22, a first clamping plate 23, and a second clamping plate 24. The two sides of the first clamping plate 23 are respectively It is fixed to the first clamping end 21 and the second clamping end 22, and the two sides of the second clamping plate 24 are respectively clamped to the first clamping end 21 and the second clamping end. End 22 is fixed.
所述第一夹持端21与所述第一刺破区域115相匹配，所述第一 夹持端21的直径沿轴线方向逐渐减小。由此可以对装有血液成分的血液管道的一端形成固定。The first clamping end 21 is matched with the first piercing area 115, and the diameter of the first clamping end 21 is gradually reduced along the axial direction. As a result, one end of the blood tube containing blood components can be fixed.
所述第二夹持端22与所述第二刺破区域125相匹配，所述第二夹持端22的直径沿轴线方向逐渐减小。由此可以对装有血液成分的血液管道的另一端形成固定。The second clamping end 22 matches the second piercing area 125, and the diameter of the second clamping end 22 gradually decreases along the axis direction. As a result, the other end of the blood tube containing blood components can be fixed.
所述第一卡接板23远离所述第二卡接板24的面上开设有与所述第一导向槽133向匹配的第一凸条231，所述第一卡接板23的端部设有第一卡接块232。The surface of the first clamping plate 23 away from the second clamping plate 24 is provided with a first protruding strip 231 that matches the first guide groove 133, and an end of the first clamping plate 23 A first clamping block 232 is provided.
所述第二卡接板24远离所述第一卡接板23的面上开设有与所述第二导向槽134向匹配的第二凸条241，所述第二卡接板24的端部设有第二卡接块242。A second protruding strip 241 matching the second guide groove 134 is provided on the surface of the second clamping plate 24 away from the first clamping plate 23, and an end of the second clamping plate 24 A second clamping block 242 is provided.
所述体液管道固定部2与所述承载体1卡接时，所述第一夹持端21伸入所述第一刺破区域115内，所述第二夹持端22伸入所述第二刺破区域125内，所述第一凸条231嵌设在所述第一导向槽133内，所述第二凸条241嵌设在所述第二导向槽134内，所述第一卡接块232、所述第二卡接块242分别与所述第一固定板131的端部及所述第二固定板132的端部形成卡接。When the body fluid pipe fixing portion 2 is clamped with the carrier 1, the first clamping end 21 extends into the first puncture area 115, and the second clamping end 22 extends into the first puncture area 115. In the second puncture area 125, the first protruding strip 231 is embedded in the first guide groove 133, the second protruding strip 241 is embedded in the second guide groove 134, and the first card The connecting block 232 and the second clamping block 242 respectively form a clamping connection with the end of the first fixing plate 131 and the end of the second fixing plate 132.
所述助推部3包括一推杆31及活塞头32，所述活塞头32设置在所述推杆31的一端上，所述活塞头32伸入所述注气区域114内。The boosting part 3 includes a push rod 31 and a piston head 32, the piston head 32 is disposed on one end of the push rod 31, and the piston head 32 extends into the gas injection region 114.
所述活塞头32可在所述注气区域114内滑动。当所述推杆31位于所述注气区域114外的部分达到最大状态时，所述注气区域114内充满了空气。The piston head 32 can slide in the gas injection region 114. When the part of the push rod 31 outside the gas injection area 114 reaches the maximum state, the gas injection area 114 is filled with air.
使用该U型液体取出器时，先拉动所述推杆31，使所述推杆31位于所述注气区域114外的部分达到最大状态，再将装有待取出液体的体液管道4的两端分别所述第一夹持端21、所述第二夹持端22固定，再将体液管道固定部2与所述承载体1卡接，卡接过程中，所述第一刺针113、所述第二刺针123分别将所述体液管道4的两端刺破，此时推动所述推杆31，使所述推杆31，使注气区域114内的气体输入体液管道4内，体液管道4内的血液成分从所述排液区域124排出。When using the U-shaped liquid extractor, first pull the push rod 31 to make the part of the push rod 31 outside the gas injection area 114 reach the maximum state, and then connect the two ends of the body fluid pipe 4 containing the liquid to be taken out. The first clamping end 21 and the second clamping end 22 are respectively fixed, and then the body fluid pipe fixing part 2 is clamped with the carrier 1. During the clamping process, the first lancet 113, the The second puncture needle 123 pierces the two ends of the body fluid pipe 4 respectively. At this time, the push rod 31 is pushed to make the push rod 31 so that the gas in the gas injection area 114 is input into the body fluid pipe 4, and the body fluid pipe 4 The blood components inside are discharged from the drainage area 124.
有益效果Beneficial effect
本方案在承载体与体液管道固定部组装的同时就将体液管道的两端刺破，在鼓入空气，将液体排出，操作十分简便；也不会出现液体漏出的情况。This solution pierces both ends of the body fluid pipe while assembling the carrier body and the body fluid pipe fixing part, and blows in air to discharge the liquid. The operation is very simple and there is no liquid leakage.
以上所述仅为本发明的较佳实施例，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection of the present invention. Within range.

Claims (6)

  1. 一种体液管道取样方法，其特征在于，其包括以下步骤：A method for sampling a body fluid pipeline, which is characterized in that it comprises the following steps:
    S1、同时在体液管道的两端制造开口，S1. Create openings at both ends of the body fluid pipeline at the same time,
    S2、从体液管道一端的开口向体液管道内注入空气，S2. Inject air into the body fluid pipe from the opening at one end of the body fluid pipe,
    S3、待取出液体从体液管道的另一端流出。S3. The liquid to be taken out flows from the other end of the body fluid pipe.
  2. 根据权利要求1所述的体液管道取样方法，其特征在于，所述步骤S1包括以下步骤：The body fluid pipeline sampling method according to claim 1, wherein the step S1 comprises the following steps:
    S11、拉动推杆使推杆位于注气区域外的部分达到最大状态；S11. Pull the push rod to maximize the part of the push rod outside the gas injection area;
    S12、将待取液的体液管道的两端分别固定到体液管道固定部上；S12. Fix both ends of the body fluid pipe to be taken to the body fluid pipe fixing part respectively;
    S13、将体液管道固定部与承载体卡接，承载体内的刺针将体液管道的两端刺破。S13. Clamp the body fluid pipe fixing part with the carrier body, and the puncture needle in the carrier body pierces both ends of the body fluid pipe.
  3. 根据权利要求2所述的体液管道取样方法，其特征在于，所述步骤S12包括以下步骤：The body fluid pipeline sampling method according to claim 2, wherein the step S12 comprises the following steps:
    S121、待取液的体液管道的一端伸入第一夹持端内，第一夹持端将体液管道的端部夹住；S121. One end of the body fluid pipe from which the fluid is to be taken extends into the first clamping end, and the first clamping end clamps the end of the body fluid pipe;
    S122、待取液的体液管道的另一端伸入第二夹持端内，第二夹持端将体液管道的端部夹住。S122. The other end of the body fluid pipe from which the fluid is to be taken extends into the second clamping end, and the second clamping end clamps the end of the body fluid pipe.
  4. 根据权利要求3所述的体液管道取样方法，其特征在于，所述步骤S13包括以下步骤：The body fluid pipeline sampling method according to claim 3, wherein the step S13 comprises the following steps:
    S131、将第一卡接板上的第一凸条与第一固定板上的第一导向槽对齐，将第二卡接板上的第二凸条与第二固定板上的第二导向槽对齐；S131. Align the first protruding strip on the first clamping plate with the first guide groove on the first fixing plate, and align the second protruding strip on the second clamping plate with the second guide groove on the second fixing plate Align
    S132、推动体液管道固定部，使第一卡接板上的第一凸条逐步滑入第一固定板上的第一导向槽内，使第二卡接板上的第二凸条逐步滑入第二固定板上的第二导向槽内；S132. Push the body fluid pipe fixing part so that the first convex strip on the first clamping plate gradually slides into the first guide groove on the first fixing plate, so that the second convex strip on the second clamping plate gradually slides into In the second guide groove on the second fixing plate;
    S133、第一卡接块与第一固定板端部形成卡接，第二卡接块与第二固定板端部形成卡接；第一夹持端伸入第一管道内，第二夹持端伸入第二管道内；S133. The first clamping block forms a clamping connection with the end of the first fixing plate, and the second clamping block forms a clamping connection with the end of the second fixing plate; the first clamping end extends into the first pipe, and the second clamping The end extends into the second pipe;
    S134、第一管道内的第一刺针将体液管道的一端刺破，第二管道内的第二刺针将体液管道的另一端刺破。S134. The first puncture needle in the first tube punctures one end of the body fluid tube, and the second puncture needle in the second tube punctures the other end of the body fluid tube.
  5. 根据权利要求4所述的体液管道取样方法，其特征在于，所述步骤S2包括以下步骤：The body fluid pipeline sampling method according to claim 4, wherein the step S2 comprises the following steps:
    S21、推动推杆，使注气区域内的空气从第一刺针输入体液管道内。S21. Push the push rod so that the air in the gas injection area is input into the body fluid pipeline from the first puncture needle.
  6. 根据权利要求5所述的体液管道取样方法，其特征在于，所述步骤S3包括以下步骤：The body fluid pipeline sampling method according to claim 5, wherein the step S3 comprises the following steps:
    S31、输入的空气将体液管道内的液体从体液管道被第二刺针刺破的一端排出；S31. The input air discharges the liquid in the body fluid pipe from the end of the body fluid pipe pierced by the second puncture needle;
    S32、体液管道内的液体从第二刺针排入排液区域内，最终从U型液体取出器排到外界。S32. The liquid in the body fluid pipeline is discharged from the second lancet into the discharge area, and finally discharged from the U-shaped liquid extractor to the outside.
PCT/CN2019/129909 2019-11-05 2019-12-30 Body fluid pipeline sampling method WO2021088237A1 (en)

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