WO2008001796A1 - Panneau d'analyse et analyseur utilisant ce panneau - Google Patents
Panneau d'analyse et analyseur utilisant ce panneau Download PDFInfo
- Publication number
- WO2008001796A1 WO2008001796A1 PCT/JP2007/062858 JP2007062858W WO2008001796A1 WO 2008001796 A1 WO2008001796 A1 WO 2008001796A1 JP 2007062858 W JP2007062858 W JP 2007062858W WO 2008001796 A1 WO2008001796 A1 WO 2008001796A1
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- WO
- WIPO (PCT)
- Prior art keywords
- analysis
- inlet
- panel
- recess
- sample liquid
- Prior art date
Links
- 239000007788 liquid Substances 0.000 claims abstract description 138
- 238000002347 injection Methods 0.000 claims abstract description 32
- 239000007924 injection Substances 0.000 claims abstract description 32
- 239000000523 sample Substances 0.000 claims description 177
- 239000012488 sample solution Substances 0.000 claims description 51
- 239000003153 chemical reaction reagent Substances 0.000 claims description 50
- 238000005259 measurement Methods 0.000 claims description 20
- 230000002093 peripheral effect Effects 0.000 claims description 19
- 239000008280 blood Substances 0.000 claims description 16
- 210000004369 blood Anatomy 0.000 claims description 16
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 239000004094 surface-active agent Substances 0.000 claims description 8
- 238000011109 contamination Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 14
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 238000005192 partition Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002250 absorbent Substances 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
-
- 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
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
- B01L3/502715—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip characterised by interfacing components, e.g. fluidic, electrical, optical or mechanical interfaces
-
- 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
- B01L2200/025—Align devices or objects to ensure defined positions relative to each other
-
- 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
- B01L2200/027—Fluid interfacing between devices or objects, e.g. connectors, inlet details for microfluidic devices
-
- 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
- B01L2200/08—Ergonomic or safety aspects of handling devices
- B01L2200/082—Handling hazardous material
-
- 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
- B01L2200/14—Process control and prevention of errors
- B01L2200/141—Preventing contamination, tampering
-
- 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
- B01L2300/04—Closures and closing means
- B01L2300/041—Connecting closures to device or container
- B01L2300/043—Hinged closures
-
- 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
- B01L2300/06—Auxiliary integrated devices, integrated components
- B01L2300/069—Absorbents; Gels to retain a fluid
-
- 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
- B01L2300/0803—Disc shape
-
- 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
- B01L2300/0809—Geometry, shape and general structure rectangular shaped
- B01L2300/0816—Cards, e.g. flat sample carriers usually with flow in two horizontal directions
-
- 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
- B01L2300/0848—Specific forms of parts of containers
- B01L2300/0858—Side walls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2400/00—Moving or stopping fluids
- B01L2400/04—Moving fluids with specific forces or mechanical means
- B01L2400/0403—Moving fluids with specific forces or mechanical means specific forces
- B01L2400/0409—Moving fluids with specific forces or mechanical means specific forces centrifugal forces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L9/00—Supporting devices; Holding devices
- B01L9/52—Supports specially adapted for flat sample carriers, e.g. for plates, slides, chips
- B01L9/527—Supports specially adapted for flat sample carriers, e.g. for plates, slides, chips for microfluidic devices, e.g. used for lab-on-a-chip
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/11—Automated chemical analysis
- Y10T436/111666—Utilizing a centrifuge or compartmented rotor
Definitions
- the present invention relates to an analysis panel and an analysis device for measuring a reaction state between a sample solution and an analysis reagent, and more specifically, for analysis used for measuring a component of a sample solution in the analysis device. It relates to the structure of the inlet in the panel and the means for transferring the sample solution adhering to the vicinity of the inlet.
- sample liquids such as blood
- sample volume reduction downsizing of equipment
- short-time measurement short-time measurement
- simultaneous measurement of multiple items are reacted with various analytical reagents, and the mixture is used.
- analyzer that can detect and examine the progress of various diseases in a short time.
- Patent Document 1 describes the configuration shown in FIGS. 20A and 20B.
- the analysis panel 203 detachably attached to the analysis disk 201 includes a sample liquid inlet 214, a cavity 208 that communicates with the inlet 214, and an air inlet 210 that communicates with the cavity 208.
- 214 is formed on the end face of the analysis panel 203 to inject the sample solution
- the analysis disk 201 is formed with an absorbing member 215 corresponding to the position of the inlet 214 of the analysis panel 203.
- the absorbing member 215 absorbs an appropriate amount of the sample liquid adhering to the periphery of the inlet 214 of the analysis panel 203.
- the inlet 214 of the analysis panel 203 is sealed by the absorbing member 215.
- the cavity 208 of the analysis panel 203 is formed with a channel so as to be positioned on the outer periphery of the analysis disk 201 with respect to the inlet 214 and the air port 210, and in the middle of the channel of the cavity 208, An analysis reagent 209 for reacting with the sample solution is applied.
- the opening of the inlet 214 is closed by the analysis disk 201.
- the sample liquid adhering to the end face of the inlet 214 is absorbed by contact with the absorbing member 215, so that the sample liquid adheres to the position facing the inlet 214, and the analysis disc 201
- the sample liquid during rotation can be prevented from scattering, and the subsequent analysis of the sample liquid can be performed safely.
- Patent Document 1 Japanese Patent Laid-Open No. 2003-185671
- the absorbing member 215 is provided on the analysis disk 201 side, the analysis panel 203 is attached to the analysis disk 201 when the use of the analysis disk 201 is repeated.
- the sample liquid adhering to the periphery of the inlet 214 is sucked by the absorbing member 215, so that the sucking member 215 is gradually contaminated with the sample liquid. This may cause a contamination of the sample liquid to be measured and adversely affect the measurement, or may cause the patient to be infected by a disease by touching the contaminated absorbent member 215. .
- laborious work such as replacement of the absorbing member 215 with a new one or cleaning is caused, and there is a difficult problem in terms of safety management.
- the present invention solves the above-described problems.
- an analysis panel and an analysis apparatus using the same which can prevent the occurrence of a situation that affects measurement, such as lack of sample liquid and contamination prevention, even when a sample liquid adheres.
- the analysis panel according to claim 1 of the present invention has a sample liquid inlet provided on one side of the panel body, and communicates with the inlet inside the panel body and is spotted on the inlet.
- An analysis is performed in which a chamber for transferring the sample liquid is provided, and the panel body is rotated in a state where the injection port is arranged on the rotation axis side, and the components in the sample liquid are analyzed in the chamber.
- the injection port has a shape protruding in a direction away from the chamber 1 from the one side surface of the panel body, and a recess is formed around the injection port in front of the one side surface of the panel body. It is characterized by that.
- the analysis panel according to claim 2 of the present invention is characterized in that, in claim 1, the protruding amount of the inlet is substantially equal to one side surface of the panel main body.
- the analysis panel according to claim 3 of the present invention is characterized in that, in claim 1, the cross-sectional area of the opening of the recess is equal to or larger than the cross-sectional area at the back end of the recess. Let's say.
- the analysis panel according to claim 4 of the present invention is characterized in that, in claim 1, the inlet protrudes with the bottom surface of the recess as a base end.
- the analysis panel according to claim 5 of the present invention is the analysis panel according to claim 1, wherein the volume of the recess is
- the sample liquid is sized to receive the sample liquid adhering to the vicinity of the inlet when the sample liquid is spotted on the inlet.
- the analysis panel according to claim 6 of the present invention is characterized in that in claim 1, an absorption member that absorbs the sample solution is disposed in the recess.
- the analysis panel according to claim 7 of the present invention is the analysis panel according to claim 6, wherein the absorbing member is brought into contact with the sample liquid transferred to the recess by the centrifugal force generated by the rotation around the axis. It is arranged.
- the analysis panel according to claim 8 of the present invention is characterized in that, in claim 1, a groove portion that communicates with the recess and holds the sample solution by capillary force is formed.
- the analysis panel according to claim 9 of the present invention is the analysis panel according to claim 8, wherein the groove is the It is characterized by being connected to the bottom of the recess.
- the analysis panel according to claim 10 of the present invention is the analysis panel according to claim 8, wherein the groove portion further receives the sample liquid transferred to the concave portion by the centrifugal force generated by the rotation around the axis. It is a shape which is transferred to the inside by the centrifugal force.
- the analysis panel according to claim 11 of the present invention is characterized in that, in claim 1, the recess communicates with the chamber.
- the analysis panel according to claim 12 of the present invention is the analysis panel according to claim 11, wherein the sample liquid adhering to the vicinity of the inlet through the passage communicating the recess and the chamber is around the axis. It is configured to be transferred into the chamber by centrifugal force generated by rotation.
- the analysis panel according to claim 13 of the present invention is characterized in that, in claim 1, the chamber connected to the inlet has an analysis reagent used for analysis of blood as a sample solution.
- the analysis panel according to claim 14 of the present invention is characterized in that, in claim 1, the analysis panel is provided with an openable / closable cover that covers the inlet and the recess.
- the analysis panel according to claim 15 of the present invention is the absorption panel according to claim 1, further comprising an openable / closable cover that covers the inlet and the recess, and the sample member absorbs the sample liquid inside the cover. Is provided.
- the analysis panel according to claim 16 of the present invention is the absorption panel according to claim 1, further comprising an openable / closable cover that covers the inlet and the concave portion, and that absorbs the sample liquid inside the cover. And a gap is formed between the inlet and the absorbing member.
- the analysis panel according to claim 17 of the present invention is the analysis panel according to claim 1, wherein the chamber is necessary for the analysis and a holding chamber for temporarily holding the sample liquid spotted on the inlet.
- a reagent chamber that holds a suitable analysis reagent, a sample liquid that is held in the holding chamber, and the analysis reagent are transferred to mix the two and measure the sample liquid mixed with the analysis reagent And a chamber region.
- the analysis panel according to claim 18 of the present invention comprises: claim 1, claim 12, claim 14; At least one of the surface of the peripheral edge of the inlet, the recess, the passage communicating the recess and the chamber, and the inner surface of the cover member is coated with a surfactant. It is characterized by.
- the analyzer according to claim 19 of the present invention has a chamber in which the sample liquid spotted on the inlet is communicated with the inlet of the sample liquid provided on one side of the panel body.
- An analysis panel provided inside, an analysis panel holding member on which the analysis panel is mounted, and a centrifugal force generated by rotating the analysis panel holding member was spotted on the inlet.
- An analyzer that transports the sample liquid to the chamber and optically accesses the sample liquid in the chamber to detect and analyze the signal.
- the analyzer panel can be opened and closed to cover the inlet.
- the analysis panel in a state in which the cover is closed is attached to the analysis panel holding member so that the inlet crosses the rotation axis of the analysis panel holding member, and the analysis operation is performed. Specially configured It is a sign.
- the analyzer according to claim 20 of the present invention is characterized in that, in claim 19, an absorption member for absorbing the sample liquid is provided inside the cover.
- the analyzer according to claim 21 of the present invention is as set forth in claim 19, provided inside the cover.
- a recess for collecting the sample droplet adhering to the vicinity of the inlet of the analysis panel is provided.
- the analyzer according to claim 22 of the present invention is characterized in that, in claim 21, a groove for holding a sample solution by capillary force is formed in the recess.
- the analyzer according to claim 23 of the present invention is the analyzer according to claim 19, wherein a surfactant is present on at least one of the surface of the peripheral edge of the inlet of the analysis panel and the inner surface of the cover member. It is characterized by being applied.
- An analysis apparatus is the analysis panel according to any one of claims 1 to 8, an analysis panel holding member to which the analysis panel is mounted, and the analysis device.
- the sample liquid spotted at the inlet is transferred to the chamber 1 by the centrifugal force generated by rotating the analysis panel holding member, and the signal is detected by optically accessing the sample liquid in the chamber 1
- analyzing the analysis panel wherein the analysis panel is The analysis operation is carried out by attaching the inlet to the analysis panel holding member so that the inlet is close to the outer peripheral side of the analysis panel holding member, or the inlet crosses the rotation axis of the analysis panel holding member. It is characterized by having comprised.
- the analysis panel according to claim 25 of the present invention is provided with a sample liquid inlet on one side surface of the panel main body, and communicates with the inlet inside the panel main body and is spotted on the inlet.
- a chamber is provided for transferring the sample liquid, and the panel body is rotated about an axis to analyze the components in the sample liquid in the chamber, and the injection port Has a shape protruding from the one side surface of the panel main body in a direction away from the chamber 1, and an openable / closable cover for covering the injection port is provided on the panel main body, and in the vicinity of the injection port inside the cover.
- a recess for collecting the sample droplet adhering to the sample or an absorbing member for absorbing the sample droplet is provided, and when the cover is closed, between the inlet and the recess or the inlet. And the absorbing member A gap is formed between them.
- the injection port provided on one side surface of the panel body has a shape protruding in a direction away from the chamber 1 from the one side surface of the panel body. Since a recess is formed around the injection port in front of one side surface, the panel body is rotated in a state where the injection port is arranged on the rotation axis side, and the components in the sample liquid are analyzed in the chamber. In this case, when centrifugal force is generated, the sample liquid adhering to the periphery of the inlet is reliably transferred to the recess and collected, and the sample liquid injected into the chamber is discharged in the reverse direction out of the chamber. The effect of preventing it is obtained.
- the analyzer of the present invention includes a chamber in which the sample liquid spotted at the inlet is communicated with the sample liquid inlet provided on one side of the panel body.
- an openable cover that covers the inlet on the analysis panel.
- the analysis panel holding member is moved to cause centrifugal force.
- the sample liquid spotted at the inlet is transferred toward the chamber.
- the sample solution adhering to the periphery of the injection port at the time of spotting moves in the opposite direction to the chamber 1 and is surely collected by the cover, and is scattered outside and contaminated. The effect which can be prevented is acquired.
- FIG. 1 is an external perspective view of an analysis panel according to Embodiment 1 of the present invention.
- FIG. 2 is an exploded perspective view of the analysis panel of the same embodiment.
- FIG. 3 is a perspective view of the analysis panel mounted on the analysis panel holding member of the analyzer.
- FIG. 4 is an enlarged perspective view around the inlet of the analysis panel of the same embodiment.
- FIG. 5 is a block diagram of the analyzer according to the embodiment.
- FIG. 6 is an external perspective view showing an example in which an openable / closable cover is attached to the analysis panel.
- FIG. 7 is an enlarged cross-sectional view around the inlet of the analysis panel in the second embodiment of the present invention.
- FIG. 8A is an explanatory diagram of the sample droplet transfer process in the same embodiment.
- FIG. 9 is an enlarged cross-sectional view around the inlet of the analysis panel according to the third embodiment of the present invention.
- FIG. 10A is an explanatory diagram of a sample droplet transfer process according to the same embodiment.
- FIG. 10B is an explanatory diagram of the sample droplet transfer process of the embodiment
- FIG. 11 is an enlarged cross-sectional view around the inlet of the analysis panel according to the fourth embodiment of the present invention.
- FIG. 12A is an explanatory diagram of a sample droplet transfer process according to the embodiment.
- FIG. 12B is an explanatory diagram of a sample droplet transfer process according to the embodiment.
- FIG. 13 is an external perspective view of an analysis panel according to Embodiment 5 of the present invention.
- FIG. 14 is a perspective view showing the mounting position of the analysis panel of the embodiment on the analyzer.
- FIG. 16 is an external perspective view in which the cover of the analysis panel in Embodiment 6 of the present invention is opened.
- FIG. 17 is a perspective view of the cover in a state where the cover is closed.
- FIG. 18 Sectional view of the periphery of the inlet with the same analysis panel attached to the analyzer
- FIG. 19A is a cross-sectional view around the inlet of another embodiment
- FIG. 20A is an overall perspective view of a conventional analysis panel mounted on an analysis panel holding section.
- FIG. 20B is an exploded perspective view of a conventional analysis panel and an analysis panel holder.
- FIGS. 1 to 19A, 19B, and 19C are described with reference to FIGS. 1 to 19A, 19B, and 19C.
- Embodiment 1 of the present invention show Embodiment 1 of the present invention.
- FIG. 1 shows an analytical panel 3 of the present invention
- FIG. 2 shows an exploded view thereof.
- the analysis panel 3 is formed by bonding the upper substrate 1 and the lower substrate 2 together.
- One surface 15 forming the injection port 14 is formed on one surface of the lower substrate 2, and the injection port. 14 holds the sample liquid injected into 14, the reagent chamber 5 holds the analysis reagent (not shown), and the sample liquid and analysis reagent held in the holding chamber 5 are transferred.
- the measurement chamber area 7 in which both are mixed and the sample solution mixed with the analysis reagent is measured, the flow path 6 that communicates the reagent chamber 5 and the measurement chamber area 7, and the measurement chamber area A flow path 8 for communicating 7 with the air opening hole 9 is formed.
- the chamber for mixing the sample solution and the analysis reagent and the chamber for measuring the sample solution mixed with the analysis reagent are integrated into a single measurement chamber.
- the upper substrate 1 may be divided into a chamber 1 in which the sample solution and the analysis reagent are mixed and a chamber 1 in which the sample solution mixed with the analysis reagent is measured.
- block the opening surfaces of the holding chamber 4, the reagent chamber 5, the measurement chamber 1, the flow path 6, and the flow path 8 to a predetermined size.
- a cavity with a gap is formed, and each function works such as transfer of the sample solution by capillary force and holding a predetermined amount of solution.
- the inlet 14 is formed by joining a single side 15 of the lower substrate 2 and a single side 16 of the upper substrate 1.
- FIG. 3 shows a state in which this analysis panel 3 is attached to the analysis panel holding member 101 of the analyzer.
- the analyzer optically analyzes the characteristics of the sample solution while rotating the disc-shaped analysis panel holding member 101 around the axis 11 by the rotation driving means.
- the inlet 14 of the analysis panel 3 is formed so as to protrude away from the holding chamber 4. That is, the inlet 14 of the analysis panel 3 in a state where the analysis panel 3 is set on the analysis panel holding member 101 has a shape protruding from the one side surface of the main body of the analysis panel 3 toward the axis 11. It is easy to supply the sample solution. Specifically, when blood from a human body is collected and set as a sample liquid, a puncture needle such as a lancet that is a puncture aid for blood collection is pressed against a blood collection site such as a fingertip, and puncture is performed. By injecting the inlet 14 into contact with the blood collection site and spotting, the sample liquid is injected into the holding chamber 14 by capillary force or the like, and the sample liquid can be easily supplied. It is possible to prevent blood from adhering to other positions.
- FIG. 5 shows the configuration of the analyzer.
- the present analysis apparatus includes an analysis panel holding member 101 to which the analysis panel 3 is mounted, and a motor 102 as a rotation driving means for rotating the analysis panel holding member 101 around the axis 11.
- the optical measurement means 104 for optically measuring the solution in the analysis panel 3 and the control means 105 for controlling the rotation speed and direction of the analysis panel holding member 101, the measurement timing of the optical measurement means 104, etc.
- the sample liquid is blood by processing the signal obtained by the optical measuring means 104, the shape and size of the substance depending on the purpose of analysis, as well as the concentration and amount of the specific substance in the blood.
- a calculation unit 106 for calculating and a display unit 107 for displaying the result obtained by the calculation unit 106 are configured.
- the optical measurement means 104 includes a laser light source 103 for irradiating the measurement part of the analysis panel 3 with laser light, and the analysis light out of the laser light emitted from the laser light source 103.
- a photodetector 108 that detects the amount of transmitted light that has passed through the vice 1 is provided, and a laser light source 103 and a photodetector 108 can be provided according to the type of wavelength required for measurement.
- This analyzer transfers the liquid in the panel using the centrifugal force generated by the rotation around the axis, depending on the application, by the configuration of the chamber and flow path in the analysis panel 3. Or a centrifuge that centrifuges.
- the shape of the analysis panel may be a fan shape, a cube shape, or other shapes, or a plurality of these analysis panels 3 may be mounted on the analysis panel holding member 101 simultaneously.
- FIG. 4 showing the enlargement of the peripheral portion of the inlet 14, only the side of the axis 11 is opened around the inlet 14 on one side of the analysis panel 3, and further the axis 11 A recess 12 that is recessed toward the outer peripheral direction is formed.
- the recess 12 is formed in a gently curved shape so that the cross-sectional area of the opening on the side of the axis 11 is equal to or larger than the cross-sectional area of the opening on the outer peripheral side of the recess 12.
- the inlet 14 into a protruding shape by the one side 15, 16 so as to protrude in the direction approaching the axis 11 from the bottom surface of the opened recess 12, the periphery of the inlet 14 The sample liquid adhering to the force is transferred into the recess 12.
- the transferred position is almost the bottom surface in the recess 12, so that the sample liquid can be stably collected without overflowing the force in the recess 12.
- the effect that it can collect in one recessed part 12 is also acquired.
- the sample liquid adhering to the vicinity of the inlet 14 is transferred into the recess 12 through the surface of the protruding portion forming the inlet 14 due to the centrifugal force generated by the rotation around the axis. It is sent. At this time, the sample liquid in the holding chamber 14 is transferred to the recess 12 of the sample liquid adhering to the vicinity of the inlet 14 and simultaneously with the reagent chamber in which the analysis reagent is supported by centrifugal force. 1 Transferred within 5.
- the liquid sample that has flowed into the reagent chamber 15 is mixed with the analysis reagent carried in the reagent chamber 15 by the rocking caused by the rotation acceleration of the analysis panel holding member 101 and the diffusion of the liquid while the rotation is stopped. The mixing is performed by applying an external force that directly vibrates the reagent chamber 5 itself. Both are possible.
- the sample liquid in the reagent chamber 5 is transferred to the entrance of the measurement chamber one region 7 through the channel 6 by capillary force.
- the laser light irradiated from the laser light source 103 passes through the measurement chamber region 7, and the absorbance of the reaction state between the sample liquid and the analysis reagent is measured by the photodetector 108, whereby the concentration of the component can be measured.
- the volume of the concave portion 12 is set to a size that can receive the sample liquid attached in the vicinity of the inlet 14 when the sample liquid is spotted on the inlet 14 so that the sample liquid can be received from within the concave portion 12. This has the effect of preventing the volume that overflows from being transferred. Assuming that blood is applied as the sample solution, in the case of spotting by fingertip blood collection using a lancing device such as a lancet, the amount of sample solution is estimated to be about 10 ⁇ , and this Since it is common to inject blood from the inlet 14 within a range that does not exceed the amount of spotting, the volume of the recess 12 is set to a maximum of 10 ⁇ .
- the cover 18 is opened, the sample solution is spotted on the inlet 14, and then the analysis panel 3 is mounted on the analysis panel holding member 101 with the cover 18 closed, thereby transferring to the recess 12.
- the sample liquid that has been transferred and the sample liquid force S that has been transferred into the chamber 4 even if it flows out to the side of the analysis panel 3 near the inlet 14 and the recess 12 due to some influence, it is received by the cover 18 and taken outside. It is possible to prevent the situation of being released. In addition, it is possible to prevent the occurrence of contamination by disposing the cover 18 without opening the cover 18 after the analysis, which is suitable for a disposable analysis panel.
- the sample liquid is applied to the peripheral surface of the inlet 14 when the sample liquid is transferred to the recess 12 by the centrifugal force.
- the surfactant can be smoothly transferred by the hydrophilic treatment.
- the sample liquid adhering to the vicinity of the inlet 14 can be analyzed without being scattered and contaminated. 1 It prevents the sample liquid injected into 4 from being discharged in the reverse direction outside the chamber. An effect is obtained.
- FIG. 7 shows a configuration in the vicinity of the inlet 14 of the analysis panel 3 in the second embodiment.
- the tip of the inlet 14 is at a position substantially equivalent to one side surface of the main body of the analysis panel 3, and only the surface on the axis 11 side is open around the inlet 14; A recess 12 that is recessed from the shaft 11 toward the outer periphery is formed. Further, the recess 12 is formed so that the cross-sectional area of the opening on the axis 11 side of the recess 12 is equal to or larger than the cross-sectional area of the opening on the outer peripheral side of the recess 12.
- the inlet 14 is formed so as to protrude from the bottom surface of the recess 12, and the volume of the recess 12 is large enough to accept a sample droplet adhering to the vicinity of the inlet when the sample liquid is spotted on the inlet 14. It consists of Here, the amount that can be spotted by one fingertip blood collection using a lancing device such as a lancet is limited to about 10 / l, and a blood collection volume that does not exceed the amount of spotting is injected from the inlet 14. Is common. Based on this idea, in the present invention, the capacity of the recess 12 is set to 10 ⁇ at the maximum.
- the recess 12 is provided with an absorbing member 22 such as a nonwoven fabric made of polypropylene or paper material, for example, as a material that absorbs the sample solution.
- an absorbing member 22 such as a nonwoven fabric made of polypropylene or paper material, for example, as a material that absorbs the sample solution.
- the sample liquid attached to the vicinity of the inlet is used by directly using the action of a predetermined centrifugal force used for transferring the sample liquid inside the panel body. Is transferred to the recess 12, and the absorption part provided on the outer peripheral side from the injection port Since the sample liquid adhering to the vicinity of the injection port to which the material 22 has been transferred can be absorbed and collected, there is an effect that the collecting effect can be made higher than when the absorbing member 22 is not provided.
- the sample droplet After injecting a predetermined amount of the sample liquid into the analysis panel 3, it is attached to the analysis panel holding member 101, and the rotational speed necessary for transferring the sample droplet is lOOOrpm or more.
- the sample droplet can be transferred only by applying a centrifugal force by rotating several hundred rpm. Is possible.
- the absorbing member 22 may be provided on the bottom surface of the recess 12 or may be provided between the inlet 14 and the bottom surface of the recess 12.
- the sample droplet 19 held on the absorbing member 22 can be removed from the absorbing member 22 even if the absorbing member 22 is tilted in the direction in which gravity acts after the analysis is completed. This has the effect of preventing leakage.
- the cover 18 is provided on the analysis panel 3, the cover 18 is opened, the sample solution is spotted on the inlet 14, and then the cover 18 is closed.
- the reliability for preventing the sample liquid from flowing out is further improved.
- FIG. 9, FIG. 10A, FIG. 10B, and FIG. 10C show Embodiment 3 of the present invention.
- the absorbing member 22 is provided between the bottom surface in the recess 12 or between the inlet 14 and the bottom surface in the recess 12, but in Embodiment 3, the groove portion 17 that communicates with the recess 12 is provided. The only difference is that it is provided and configured to hold the sample droplet 19 by capillary force, and the rest is the same as in the second embodiment.
- FIG. 9 shows the vicinity of the inlet 14 of the analysis panel 3 in the third embodiment.
- the tip of the inlet 14 is in a position substantially equivalent to one side surface of the main body of the analysis panel 3, and only the surface on the side of the axis 11 opens around the inlet 14, and the shaft A recess 12 that is recessed from the core 11 toward the outer periphery is formed. Further, the recess 12 is formed so that the cross-sectional area of the opening on the side of the axis 11 of the recess 12 is equal to or larger than the cross-sectional area of the opening on the outer peripheral side of the recess 12. The inlet 14 is formed so as to protrude from the bottom surface of the recess 12.
- the volume of the recess 12 is configured to have a size capable of receiving the sample droplet adhering to the vicinity of the inlet when the sample liquid is spotted on the inlet 14.
- One or more grooves 17 that communicate with the recess 12 are formed on the bottom surface of the recess 12.
- the sample liquid droplet 19 transferred to the concave portion 12 is further transferred to the inside of the groove portion 17 by centrifugal force and enters the groove portion 17. It is held by capillary force. Since it is held by the capillary force, it is possible to prevent the sample liquid from overflowing to the outside even in the absence of subsequent centrifugal force.
- the sample liquid droplet 19 is reliably collected in the groove portion 17, so that the sample liquid is transferred to the analysis panel 3. In order to prevent scattering outside, it can be analyzed without being contaminated.
- the groove portion 17 is formed on the bottom portion of the sample receiving portion which is the concave portion 12 on the outermost peripheral side, the sample droplet 19 transferred to the concave portion 12 is located farther from the inlet 14. There is an effect that can be collected.
- the cross-sectional shape of the groove portion 17 in the third embodiment is a rectangular shape, but may be another shape such as a circular shape, a triangular shape, or a polygonal shape.
- the thickness d of the opening 21 on the shaft center 11 side is formed to be lmm or less.
- the cover 18 is provided on the analysis panel 3, the cover 18 is opened, the sample solution is spotted on the inlet 14, and then the cover 18 is closed. Attach the analysis panel 3 to the analysis panel holding member 101 to prevent the sample liquid from flowing out. The reliability for stopping is further improved. In other words, even if the sample liquid that has been transferred to the recess 12 or the sample liquid that has been transferred into the chamber flows out of the inlet 14 or the recess 12 to the side of the analysis panel 3 due to some influence, it is received by the cover 18. Can be prevented from being released to the outside. In addition, after the analysis, by disposing the cover 18 without opening it, it is possible to prevent the occurrence of contamination, and it is suitable for a disposable analysis panel.
- FIG. 12A, FIG. 12B, and FIG. 12C show Embodiment 4 of the present invention.
- Embodiment 3 the groove portion 17 is closed at the end portion.
- Embodiment 4 the only difference is that the groove portion 17 as a passage communicates with the reagent chamber 15. Is the same as in the third embodiment.
- FIG. 11 shows the vicinity of the inlet 14 of the analysis panel 3 in the fourth embodiment.
- the tip of the inlet 14 that communicates with the reagent chamber 1 5 via the holding chamber 4 is substantially at the same position as one side surface of the main body of the analysis panel 3, and the inlet 14 A recess 12 that is open only on the surface on the side of the shaft center 11 and that is recessed from the shaft center 11 toward the outer periphery is formed around the periphery of the shaft 12. Further, the recess 12 is formed such that the cross-sectional area of the opening on the axis 11 side of the recess 12 is equal to or larger than the cross-sectional area of the opening on the outer peripheral side of the recess 12.
- the injection port 14 is formed so as to protrude from the bottom surface of the concave portion 12, and the volume of the concave portion 12 is such that the sample droplet adhering to the vicinity of the injection port is deposited when the sample liquid is spotted on the injection port 14.
- the size is acceptable.
- the bottom surface of the recess 12 communicates with the reagent chamber 15.
- one or more grooves 17 having one end communicating with the recess 12 are formed on the bottom surface of the recess 12, and the other end (end in the outer circumferential direction) of the groove 17 communicates with the reagent chamber 15. Yes.
- the other ends of the grooves 17 are separately connected to the force S and the reagent chamber 15 that are communicated with each other on the outer peripheral side of the inlet 14 and then communicated with the reagent chamber 15. You may communicate with
- the sample droplet 19 transferred to the concave portion 12 is further transferred into the groove portion 17 by centrifugal force and enters the groove portion 17. Since the sample solution is held inside the reagent chamber 15 by the centrifugal force and further kept by the centrifugal force, it is possible to prevent the sample solution from overflowing to the outside even in the absence of subsequent centrifugal force. It is done.
- the sample droplet 19 attached in the vicinity of the inlet 14 can be reliably collected in the reagent chamber 15 using the action of the predetermined centrifugal force used for transferring the sample solution as it is. It is possible to analyze the components in the sample liquid safely without the liquid being scattered and contaminated. Furthermore, the sample solution adhering around the inlet 14 can be effectively used as a sample solution for analysis without wasting it. This is because the same sample solution can be replenished to the sample solution that tends to be insufficient in capacity in response to the demand for a small amount of sample solution during sample analysis, which is a demand from the market in recent years. , Very beneficial.
- the groove 17 is formed between the recess 12 and the reagent chamber 15, the sample liquid transferred to the recess 12 is left in the groove 17 at a position further away from the inlet 14. There is an effect that can be transported.
- the cross-sectional shape of the groove portion 17 in the fourth embodiment is rectangular, but may be other shapes such as a circle, a triangle, or a polygon.
- the thickness d of the opening 21 on the side of the shaft center 11 is formed with a size of lmm or less.
- the cover 18 is provided on the analysis panel 3, the cover 18 is opened, the sample solution is spotted on the inlet 14, and then the cover 18 is closed. Attach the analysis panel 3 to the analysis panel holding member 101 to prevent the sample liquid from flowing out. The reliability for stopping is further improved. In other words, even if the sample liquid that has been transferred to the recess 12 or the sample liquid that has been transferred into the chamber flows out of the inlet 14 or the recess 12 to the side of the analysis panel 3 due to some influence, it is received by the cover 18. Can be prevented from being released to the outside. In addition, after the analysis, by disposing the cover 18 without opening it, it is possible to prevent the occurrence of contamination, and it is suitable for a disposable analysis panel.
- the analysis panel 3 is set on the analysis panel holding member 101 so that the analysis panel 3 is placed on the outer peripheral side of the axis 11 of the analysis panel holding member 101.
- a part of the analysis panel 3 protrudes to the opposite side across the axis 11 of the analysis panel holding member 101. Yes.
- the analysis panel 3 used in this embodiment is the one with the cover 18 among the analysis panels 3 in any one of the first to fourth embodiments. Is adopted.
- FIG. 14 and FIG. 15 show the state before and after setting the analysis panel 3 having the cover 18 on the analysis panel holding member 101, and the analysis panel 3 is attached to the analysis panel holding member 101.
- the position is different from that in the first to fourth embodiments.
- Embodiments 1 to 4 the force that the analysis panel 3 was attached to the outer peripheral side of the axis 11 of the analysis panel holding member 101
- the inlet 14 of the analysis panel 3 is mounted so as to cross the axis 11 of the analysis panel holding member 101.
- an absorbent member 22 is disposed inside the cover 18 at a position facing the inlet 14 with the cover 18 closed, with a gap 24 therebetween.
- the sample droplet 19 adhering to the vicinity of the inlet 14 can be blocked within the cover and prevented from being released outside by closing the cover 18, and the cover is opened even after analysis. There is an effect that it is suitable for a disposable analytical panel that can be disposable without being contaminated.
- the absorbent member 22 may be a nonwoven fabric made of, for example, polypropylene or a paper material.
- the size of the absorbing member 22 may be any size as long as it can receive the sample liquid adhering to the vicinity of the inlet 14.
- the sample liquid in the holding chamber 4 of the analysis panel 3 adheres to the vicinity of the inlet 14 by directly using the action of the centrifugal force used to transfer the reagent solution to the reagent chamber 1 and later.
- the collected sample droplet 19 can be reliably collected inside the cover 18.
- the inlet 14 of the analysis panel 3 is set at a position away from the bottom of the cover 18 by a distance 27, and is placed at the bottom of the cover 18. It is desirable that the inlet 14 does not contact.
- the amount of protrusion 28 of the recess 23 that protrudes from the bottom of the cover 18 toward the inlet 14 and surrounds the outside of the inlet 14 with a distance is set so that the tip of the inlet 14 enters the inside of the opening of the recess 23. Is set to
- the number of rotations required to transfer the sample droplet to the analysis panel holding member 101 is generally lOOOrpm or more.
- hydrophilic treatment is performed with a surfactant or the like on the entire inner periphery of the recess 23 and in the vicinity of the inlet 14 where the sample droplet 19 is expected to adhere, centrifugal force due to rotation of several hundred rpm It is also possible to transfer the sample droplet to the bottom of the recess 23 and collect it simply by applying the above.
- the structure of the recess 12 similar to that of the first embodiment may be provided in the cover 18.
- FIGS. 19A, 19B, and 19C show a cross-sectional view of the periphery of the inlet in a state where the analysis panel 3 of the same embodiment is attached to the analysis panel holding member 101 of the analyzer.
- FIG. 19B shows a front view of the inside of the cover 18 from the direction of the inlet 14.
- FIG. 19C is a cross-sectional view taken along the line B-BB in FIG. 19B and shows a horizontal cross-sectional view in the state of FIG. 19A.
- partition walls 29 are provided at the bottom of the recess 23.
- P The distance between the contacted partition wall 29 and the partition wall 29 is set so that the sample droplet 19 that has come in is sucked and held by capillary force, and adheres around the inlet 14 by the rotation of the analysis panel holding member 101.
- the sample droplets 19 that have been transferred to the partition walls 29 are held between the partition walls 29.
- the process up to the measurement after the reaction between the sample solution and the analysis reagent is performed on the analysis panel. It can be performed quickly, and particularly for sample liquid injection, it is very easy to operate and very safe in terms of preventing contamination, so it is useful as an analyzer for blood and the like.
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07767661.7A EP2037280B1 (en) | 2006-06-30 | 2007-06-27 | Panel for analysis and analyzer using the same |
CN2007800246334A CN101479609B (zh) | 2006-06-30 | 2007-06-27 | 分析用面板以及使用该面板的分析装置 |
US12/305,222 US8158079B2 (en) | 2006-06-30 | 2007-06-27 | Panel for analysis and analyzer using the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006180669 | 2006-06-30 | ||
JP2006-180669 | 2006-06-30 |
Publications (1)
Publication Number | Publication Date |
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WO2008001796A1 true WO2008001796A1 (fr) | 2008-01-03 |
Family
ID=38845560
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/062858 WO2008001796A1 (fr) | 2006-06-30 | 2007-06-27 | Panneau d'analyse et analyseur utilisant ce panneau |
Country Status (4)
Country | Link |
---|---|
US (1) | US8158079B2 (ja) |
EP (1) | EP2037280B1 (ja) |
CN (1) | CN101479609B (ja) |
WO (1) | WO2008001796A1 (ja) |
Cited By (4)
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WO2009057267A1 (ja) * | 2007-10-29 | 2009-05-07 | Panasonic Corporation | 分析用デバイスとこれを使用する分析装置および分析方法 |
JP2009250906A (ja) * | 2008-04-10 | 2009-10-29 | Panasonic Corp | 分析用デバイスおよびそれを用いた試料液分析方法 |
US20100255589A1 (en) * | 2007-10-30 | 2010-10-07 | Panasonic Corporation | Analyzing device, analyzing apparatus using the device, and analyzing method |
CN101883985A (zh) * | 2008-02-05 | 2010-11-10 | 松下电器产业株式会社 | 分析用仪器和使用该分析用仪器的分析装置和分析方法 |
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DE102009043226B4 (de) * | 2009-09-28 | 2012-09-27 | Siemens Aktiengesellschaft | Flachkörper nach Art einer Chip-Karte zur biochemischen Analyse und Verfahren zu dessen Verwendung |
CN103217517B (zh) * | 2012-01-20 | 2014-07-23 | 光宝科技股份有限公司 | 旋转装置及血液分析设备 |
CN102707044B (zh) * | 2012-05-31 | 2014-08-27 | 辽宁国际旅行卫生保健中心 | 立式蛋白印迹抗体孵育盒 |
EP2942104A1 (en) | 2014-05-08 | 2015-11-11 | Radisens Diagnostics Ltd. | Sample applicator for point of care device |
US10086368B2 (en) | 2015-09-07 | 2018-10-02 | EXIAS Medical GmbH | Movable measurement cell |
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WO2009057267A1 (ja) * | 2007-10-29 | 2009-05-07 | Panasonic Corporation | 分析用デバイスとこれを使用する分析装置および分析方法 |
US9134286B2 (en) * | 2007-10-30 | 2015-09-15 | Panasonic Healthcare Co., Ltd. | Analyzing device, analyzing apparatus using the device, and analyzing method |
US10933413B2 (en) | 2007-10-30 | 2021-03-02 | Phc Holdings Corporation | Analyzing device having spot application section with inclined face |
US10543484B2 (en) | 2007-10-30 | 2020-01-28 | Phc Holdings Corporation | Analyzing device having an inlet with a liquid reservoir |
US9757722B2 (en) | 2007-10-30 | 2017-09-12 | Panasonic Healthcare Holdings Co., Ltd. | Microchannel analyzing device having a filling confirmation region |
CN103252261A (zh) * | 2007-10-30 | 2013-08-21 | 松下电器产业株式会社 | 分析用仪器和使用该分析用仪器的分析装置及分析方法 |
US20100255589A1 (en) * | 2007-10-30 | 2010-10-07 | Panasonic Corporation | Analyzing device, analyzing apparatus using the device, and analyzing method |
CN103175782A (zh) * | 2008-02-05 | 2013-06-26 | 松下电器产业株式会社 | 分析用仪器和使用该分析用仪器的分析方法 |
CN101883985B (zh) * | 2008-02-05 | 2013-11-20 | 松下电器产业株式会社 | 分析用仪器和使用该分析用仪器的分析装置和分析方法 |
US20100323454A1 (en) * | 2008-02-05 | 2010-12-23 | Panasonic Corporation | Analyzing device, and analyzing apparatus and analyzing method using the analyzing device |
CN103175782B (zh) * | 2008-02-05 | 2015-05-13 | 松下健康医疗器械株式会社 | 分析用仪器和使用该分析用仪器的分析方法 |
US8865472B2 (en) * | 2008-02-05 | 2014-10-21 | Panasonic Healthcare Co., Ltd. | Analyzing apparatus and method that use centrifugal force |
CN101883985A (zh) * | 2008-02-05 | 2010-11-10 | 松下电器产业株式会社 | 分析用仪器和使用该分析用仪器的分析装置和分析方法 |
JP2009250906A (ja) * | 2008-04-10 | 2009-10-29 | Panasonic Corp | 分析用デバイスおよびそれを用いた試料液分析方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2037280A1 (en) | 2009-03-18 |
CN101479609A (zh) | 2009-07-08 |
EP2037280B1 (en) | 2020-06-24 |
CN101479609B (zh) | 2012-09-05 |
US20090205447A1 (en) | 2009-08-20 |
EP2037280A4 (en) | 2017-08-02 |
US8158079B2 (en) | 2012-04-17 |
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