WO2006030749A1 - 成分採取デバイス - Google Patents
成分採取デバイス Download PDFInfo
- Publication number
- WO2006030749A1 WO2006030749A1 PCT/JP2005/016782 JP2005016782W WO2006030749A1 WO 2006030749 A1 WO2006030749 A1 WO 2006030749A1 JP 2005016782 W JP2005016782 W JP 2005016782W WO 2006030749 A1 WO2006030749 A1 WO 2006030749A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- container
- component
- suction
- collection device
- plasma
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/02—Blood transfusion apparatus
- A61M1/029—Separating blood components present in distinct layers in a container, not otherwise provided for
-
- 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
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5021—Test tubes specially adapted for centrifugation purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/02—Adapting objects or devices to another
- B01L2200/026—Fluid interfacing between devices or objects, e.g. connectors, inlet details
Definitions
- the present invention relates to a component collection device for collecting a target component from a liquid containing a plurality of components.
- a target component is collected from a liquid containing a plurality of components, it is generally achieved by collecting a supernatant or a precipitate by centrifugation. For example, after adding a liquid containing a plurality of components to a centrifuge tube and centrifuging, the supernatant is generally transferred to another container, or the supernatant is discarded and the precipitate is collected.
- Platelet-rich plasma (hereinafter, sometimes simply referred to as “PRP”) is widely used in the fields of medicine and oral surgery.
- PRP is a growth factor released by degranulation of platelets therein, namely platelet-derived growth factor (PD GF), transforming growth factor ( ⁇ , TGF-j8) and insulin. Since it contains a lot of insulin-like growth factor-I (IGF-I) and the like, it is used as, for example, a bone regeneration promoter (Patent Document 1).
- the PRP disclosed in Patent Document 1 is prepared by a two-stage centrifugal separation method.
- the collected whole blood is separated by a first centrifugation (weak centrifugation) into three layers of red blood cells, a layer containing white blood cells (puffy coat), and a plasma containing platelets.
- a first centrifugation weak centrifugation
- the plasma containing the upper blood platelet is collected and transferred to another container, and the plasma containing the platelets is separated into platelets and plasma by a second centrifugation (strong centrifugation).
- the excess plasma in the upper layer is extracted, and the remaining platelet-rich plasma is obtained as PRP.
- Patent Document 4 a method using two centrifugal tubes with suction pipes is disclosed (Patent Document 4).
- This centrifuge tube has two suction pipes of different lengths fixed to the centrifuge tube cap. More specifically, the first Neuve is set to a length that almost reaches the bottom of the centrifuge tube, and the second pipe is set to a slightly shorter length.
- whole blood is first added to the centrifuge tube, and after the first centrifugation, red blood cells at the bottom are sucked and removed from a long pipe.
- a second centrifugation is performed, and then a certain amount of plasma poor in platelets is aspirated and removed to obtain PRP rich in platelets.
- this centrifuge tube has two pipes that are fixed in length and cannot be adjusted! /, So depending on the amount of blood and platelets collected in the centrifuge tube The appropriate processing cannot be performed.
- Patent Document 1 Japanese Patent Laid-Open No. 2003-055237
- Patent Document 2 JP 09-103707 A
- Patent Document 3 Japanese Translation of Special Publication 2000-610582
- Patent Document 4 International Publication WO02 / 098566A2 Pamphlet
- FIG. 1 is a diagram showing an entire component collection device. (Example 1)
- Example 2 is a cross-sectional view of the device of FIG. (Example 1)
- FIG. 3 is a view showing a mode in which the device is attached to a vacuum blood collection tube. (Example 2)
- FIG. 4 is a diagram showing a component collection device that has been provided with air intake means. (Example 3)
- FIG. 5 is a diagram showing how the device is used. (Example 4)
- FIG. 6 is a diagram showing how the device is used. (Example 5)
- An object of the present invention is to provide a component collecting device for easily and efficiently collecting a target component from a liquid containing a plurality of components.
- the present invention comprises the following.
- a holder that can be attached to the container as a cap, and a suction cylinder penetrating in the longitudinal direction of the holder, and the length of the suction cylinder protruding from the holder into the container is adjustable Component collection device with a unique structure.
- the structure in which the length of the suction cylinder is adjustable is a screwed structure between the inside of the holder and the suction cylinder.
- a separation layer formed by centrifugal separation, and the length of the suction cylinder is set so that the tip of the suction cylinder is positioned in the separation layer of the specific component to be sucked out of the liquid containing a plurality of components. Adjusting process;
- step 10 The method described in 9 above, wherein a separate container for collecting the target component is used in step 4), and the container in step 1) is a vacuum blood collection tube with a rubber stopper. How to collect the target component.
- a method for preparing a concentrate of necessary components comprising the following steps 1) to 4), characterized in that at least steps 1), 3) and 4) are repeated at least twice under different conditions: Preparation method of component concentrate.
- a step of centrifuging a container containing whole blood and separating it from below into an erythrocyte layer, a buffy coat layer, and a plasma 'platelet layer;
- a component collection kit comprising the component collection device according to 1 above.
- the target component can be efficiently collected from the multiple component-containing solution in the container.
- the component collection device of the present invention has a structure that can be attached to an existing container that can be centrifuged, the target component can be easily collected without the need to prepare a special container or centrifuge.
- PRP can be easily and efficiently prepared from blood collected in a blood collection tube.
- the multiple component-containing liquid of the present invention means a solution or dispersion containing a plurality of components having different specific gravities, specifically, biological components such as blood and urine, cell culture fluid, and lymph fluid. Examples thereof include tissue fluid, protein-containing solution, DNA-containing solution, polymer solution, organic solvent / aqueous solution mixture (water and oil), and more preferably, blood. Blood contains multiple components with different specific gravity, such as red blood cells, white blood cells, and platelets. In order to obtain the target component from the collected blood, it is necessary to perform multiple centrifuge processes with different rotation speeds, obtain the supernatant as needed, or discard the supernatant.
- blood is collected in an inspection organization such as a hospital and stored in a blood collection tube. If the target components in the blood can be collected using the stored containers such as blood collection tubes as they are, it would be safe to use blood that would not be directly touched by human hands. Hygienic.
- the "container” is a container that can contain a liquid containing a plurality of components, and is a collection container for specimens such as blood and urine, which can be centrifuged.
- specimens such as blood and urine
- Specific examples include a blood collection tube and a centrifuge tube.
- “Holder that can be attached to a container as a cap” refers to a holder that can be attached as a cap to the opening of a container with the above-described container lid or with the container lid removed. This means that the suction cylindrical body penetrating in the longitudinal direction of the rudder is inserted into the container and supports the suction cylindrical body that can be fixed.
- the part of the holder that can be attached to the container may be any shape as long as it is fixed so as to cover the attachment part on the container side, for example, the lid or opening of the blood collection tube, and attach as a cap.
- the component collection device of the present invention itself is attached to the container.
- the material of the holder is not particularly limited, but for example, polyethylene, polypropylene, polycarbonate and the like are suitable.
- the "suction cylinder penetrated in the longitudinal direction of the holder" of the present invention is penetrated in the longitudinal direction of the above-mentioned holder, inserted into the container, and multilayered by centrifugal treatment. It refers to a component that is adjusted so that the tip of the suction cylinder comes to the layer of the specific component among the separated components and sucks the specific component.
- the “specific component” is the target component If you want to keep the target component in the container, it may be a non-target component.
- the suction tubular body of the present invention needs to be able to freely adjust its length in a state where the holder is attached to the container and inserted into the container.
- the method of adjusting the length of the suction cylinder may be, for example, sliding the suction cylinder within the holder, but preferably, a screwed structure between the inside of the holder and the suction cylinder Is achieved. By this screwed structure, the holder and the suction cylinder are held in a stable state.
- the suction cylindrical body protruding into the container may be adjustable from a length that can reach the bottom surface of the container to a length that is slightly below the liquid surface of the multi-component solution in the container.
- the shape of the cylindrical body of the portion projecting into the container of the cylindrical body for suction of the present invention is not particularly limited as long as it is a shape capable of centrifuging a solution containing a plurality of components and sucking a specific component. It can be shaped like an injection needle.
- the component collection device of the present invention when used to obtain PRP for blood force, the blood collected in the blood collection tube is centrifuged while being placed in the blood collection tube, and the device is collected as it is. If it can be attached to a blood vessel and used, it is convenient to prepare a special container or special centrifuge.
- the device of the present invention can be mounted with the blood collection tube covered.
- the shape of the end of the suction tubular body protruding into the container of the present invention is a shape that can penetrate the rubber stopper of the blood collection tube. Specifically, it can be shaped like a suction needle.
- the material for the suction cylindrical body is not particularly limited as long as it can achieve the above-mentioned object, and a plastic or metal material can be used. For example, when a rubber lid is pierced, it is necessary that the rubber piece does not fall into the container. Specifically, a metal needle applied to an injection needle or the like is preferable.
- the end projecting out of the container of the suction cylinder of the present invention can be combined with an apparatus, container, device or the like capable of sucking components in the container, such as an aspirator, vacuum blood collection tube, or syringe. If it is good.
- an apparatus, container, device or the like capable of sucking components in the container, such as an aspirator, vacuum blood collection tube, or syringe.
- the end of the suction tube that protrudes outside the container has a shape that allows the rubber lid of the blood collection tube to be inserted, such as a metal needle. It can be made into a simple shape.
- the end projecting outside the container of the suction cylinder has a structure that can be coupled with both commercially available luer type and lock type syringes. .
- an air intake means can be provided together with the component collection device of the present invention.
- the suction cylindrical body of the present invention is pierced through a rubber stopper of a container containing a multi-component-containing solution, it may be difficult to suck a specific component because the container is sealed. In such a case, by providing the air intake means, the specific component can be sucked smoothly without lowering the internal pressure of the container.
- Air intake means can be provided together with the component collection device of the present invention.
- air can be taken in by installing another cylindrical body that penetrates the suction cylindrical body in the vicinity of the connecting portion between the suction cylindrical body and the holder.
- another tubular body and a suction tubular body are both pierced through the rubber stopper of the container, a gap is formed between the suction tubular body and another tubular body, and the gap and the screw Air can be taken into the container through the gap between the parts.
- the target component using the component collection device of the present invention can be collected by a method including at least the following steps 1) to 4).
- the container in the step 1) and the separate container are vacuum blood collection tubes with rubber stoppers, the container is sealed. It is preferable that only the target component can be collected in a separately sealed container and that contamination can be prevented.
- steps 1), 3) and 4) are repeated twice or more under different conditions, and the necessary component concentrate is prepared by collecting the target component.
- repeating under different conditions means that, for example, the number of rotations of the centrifugal separation process, the processing time, the length of the cylindrical body, the specific substance of the sucked component, and the like are different.
- a liquid containing a plurality of components can be applied to blood.
- the blood power can also prepare platelet-rich plasma.
- platelet plasma can be prepared by a method including the following steps.
- a step of centrifuging a container containing whole blood and separating it from below into an erythrocyte layer, a buffy coat layer, and a plasma 'platelet layer;
- the present invention extends to a component collection device, a target component collection method using the component collection device, and a target component collection kit.
- a separate coupling member that can be coupled to a vacuum blood collection tube with an aspirator or rubber stopper at the end protruding from the container of the suction cylinder Is mentioned.
- the separate coupling member includes a holder equipped with a metal needle, and the holder equipped with the metal needle can be connected directly or through a tube to the end of the suction cylinder that protrudes outside the container.
- a holder equipped with a metal needle is connected via a tube, it is preferable because the operability is improved without inverting the vacuum blood collection tube.
- a cover that covers the periphery of the metal needle or a stand that stably fixes the container can be used to prevent a medical accident due to erroneous puncture.
- FIG. 1 is an example of a component collection device of the present invention
- FIG. 2 is a cross-sectional view of the device of FIG.
- the mountable holder (1) has a threaded portion (12) in a part of the inside of the upper portion of the holder.
- the suction cylindrical body (2) is penetrated in the vertical direction of the holder (1).
- the suction cylindrical body (2) is provided with a screw portion (22) so as to be fitted with the screw portion (12) inside the holder.
- the distal end portion (23) of the suction cylinder on the side to be inserted into a container such as a blood collection tube has a shape that can be pierced so as to be able to penetrate the rubber lid of the blood collection tube.
- the end (24) of the suction cylindrical body outside the container such as a blood collection tube has a shape that can be coupled to a syringe, a vacuum blood collection tube, or the like.
- An injection needle can be used for coupling with a vacuum blood collection tube or the like.
- FIG. 3 shows a diagram in which the component collection device of Example 1 is attached to a vacuum blood collection tube which is an example of a container. Insert the suction tube into the vacuum blood collection tube, and attach the end (13) of the holder to the lid of the vacuum blood collection tube like a cap and fix it. The length of the suction cylinder protruding into the container can be adjusted by rotating the screw section (12) inside the holder and the screw section (22) of the suction cylinder. [Example 3] Air intake means
- FIG. 4 shows a diagram of the component collection device of Example 1 provided with air intake means.
- a gap is formed between the suction cylinder and another cylinder, and air can be taken into the container through the gap and the gap between the screw portion.
- FIG. 5 Blood power An example of a method for preparing platelet plasma (PRP) will be described (FIG. 5).
- step 5 Of the separation layer obtained in the above step 5), the step of adjusting the tip (23) of the suction cylinder to a length that reaches the plasma layer;
- PRP can be easily prepared from blood collected in a blood collection tube.
- it can be prepared by using a commercially available blood collection tube and an existing centrifuge, it is possible to obtain a concentrated solution of necessary components by effectively utilizing existing containers and equipment.
- PRP is also used in the field of oral surgery, but when the component collection device of the present invention is used, a practicing dentist or the like uses a blood sample collected in a blood collection tube at a hospital or a laboratory, etc. PRP can be easily and efficiently prepared without the need for a separator.
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Clinical Laboratory Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- External Artificial Organs (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-265243 | 2004-09-13 | ||
JP2004265243A JP4239220B2 (ja) | 2004-09-13 | 2004-09-13 | 成分採取デバイス |
Publications (1)
Publication Number | Publication Date |
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WO2006030749A1 true WO2006030749A1 (ja) | 2006-03-23 |
Family
ID=36060001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2005/016782 WO2006030749A1 (ja) | 2004-09-13 | 2005-09-12 | 成分採取デバイス |
Country Status (2)
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JP (1) | JP4239220B2 (ja) |
WO (1) | WO2006030749A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008050688A1 (fr) * | 2006-10-27 | 2008-05-02 | Nipro Corporation | Séparateur de plasma riche en plaquettes et procédé de séparation de plasma riche en plaquettes |
JP2009089759A (ja) * | 2007-10-04 | 2009-04-30 | Aloka Co Ltd | 血液採取方法及び採血管カプラ |
US7927563B1 (en) | 2009-10-13 | 2011-04-19 | Cytomedix, Inc. | Kit for separation of biological fluids |
CN107002011A (zh) * | 2014-12-08 | 2017-08-01 | 美国圣戈班性能塑料公司 | 用于提取分离介质的封闭系统 |
EP2430977B1 (en) * | 2009-05-14 | 2020-01-08 | Biotechnology Institute, I Mas D, S.L. | Method for preparing at least one compound from blood, and sampling device for use when carrying out said method |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4983204B2 (ja) * | 2006-10-27 | 2012-07-25 | ニプロ株式会社 | 遠心分離容器及び遠心分離方法 |
JP4894566B2 (ja) * | 2007-03-08 | 2012-03-14 | ニプロ株式会社 | 血液試料分注キット及び血液試料分注方法 |
JP5105925B2 (ja) | 2007-03-26 | 2012-12-26 | 京セラメディカル株式会社 | 遠心分離用デバイス |
KR101069877B1 (ko) * | 2009-10-28 | 2011-10-05 | 임기표 | 원심분리 키트 및 이를 이용한 원심분리 방법 |
KR101008583B1 (ko) | 2010-10-27 | 2011-01-17 | 주식회사 메디사랑 | 자가 혈소판 농축물질 분리용 용기 |
KR20150095759A (ko) * | 2012-12-13 | 2015-08-21 | 가부시끼가이샤 제이엠에스 | 혈액성분 분리수용장치 및 다혈소판혈장의 조제방법 |
WO2015178023A1 (ja) * | 2014-05-21 | 2015-11-26 | ニプロ株式会社 | 分注ホルダ |
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JPH0222906B2 (ja) * | 1980-10-31 | 1990-05-22 | Radiometer As | |
JPH08304387A (ja) * | 1995-04-28 | 1996-11-22 | Aloka Co Ltd | 血液試料採取装置 |
JP2000225111A (ja) * | 1998-12-05 | 2000-08-15 | Becton Dickinson & Co | 流体サンプルの成分分離用容器 |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008050688A1 (fr) * | 2006-10-27 | 2008-05-02 | Nipro Corporation | Séparateur de plasma riche en plaquettes et procédé de séparation de plasma riche en plaquettes |
JP5309995B2 (ja) * | 2006-10-27 | 2013-10-09 | ニプロ株式会社 | 多血小板血漿分離装置及び多血小板血漿分離方法 |
US9050403B2 (en) | 2006-10-27 | 2015-06-09 | Nipro Corporation | Platelet-rich plasma separator and platelet-rich plasma separation method |
JP2009089759A (ja) * | 2007-10-04 | 2009-04-30 | Aloka Co Ltd | 血液採取方法及び採血管カプラ |
EP2430977B1 (en) * | 2009-05-14 | 2020-01-08 | Biotechnology Institute, I Mas D, S.L. | Method for preparing at least one compound from blood, and sampling device for use when carrying out said method |
US7927563B1 (en) | 2009-10-13 | 2011-04-19 | Cytomedix, Inc. | Kit for separation of biological fluids |
JP2013507225A (ja) * | 2009-10-13 | 2013-03-04 | サイトメディクス,インコーポレーテッド | 体液分離用のキット |
CN107002011A (zh) * | 2014-12-08 | 2017-08-01 | 美国圣戈班性能塑料公司 | 用于提取分离介质的封闭系统 |
EP3230433A4 (en) * | 2014-12-08 | 2018-08-08 | Saint-Gobain Performance Plastics Corporation | Closed system for extracting isolated medium |
US10351813B2 (en) | 2014-12-08 | 2019-07-16 | Saint-Gobain Performance Plastics Corporation | Closed system for extracting isolated medium |
CN107002011B (zh) * | 2014-12-08 | 2024-03-19 | 美国圣戈班性能塑料公司 | 用于提取分离介质的封闭系统 |
Also Published As
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JP2006078428A (ja) | 2006-03-23 |
JP4239220B2 (ja) | 2009-03-18 |
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