WO2014069376A1 - 試薬容器および自動分析装置 - Google Patents
試薬容器および自動分析装置 Download PDFInfo
- Publication number
- WO2014069376A1 WO2014069376A1 PCT/JP2013/079029 JP2013079029W WO2014069376A1 WO 2014069376 A1 WO2014069376 A1 WO 2014069376A1 JP 2013079029 W JP2013079029 W JP 2013079029W WO 2014069376 A1 WO2014069376 A1 WO 2014069376A1
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- WIPO (PCT)
- Prior art keywords
- reagent
- reagent container
- container
- air hole
- lid
- Prior art date
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Classifications
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- 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
- B01L3/52—Containers specially adapted for storing or dispensing a reagent
- B01L3/523—Containers specially adapted for storing or dispensing a reagent with means for closing or opening
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D51/00—Closures not otherwise provided for
- B65D51/16—Closures not otherwise provided for with means for venting air or gas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1002—Reagent dispensers
-
- 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
- B01L2200/06—Fluid handling related problems
-
- 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
- B01L2300/02—Identification, exchange or storage of information
- B01L2300/021—Identification, e.g. bar codes
-
- 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
- B01L2300/042—Caps; Plugs
-
- 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
- B01L2300/046—Function or devices integrated in the closure
-
- 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
- B01L2300/046—Function or devices integrated in the closure
- B01L2300/048—Function or devices integrated in the closure enabling gas exchange, e.g. vents
-
- 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
- B01L2300/046—Function or devices integrated in the closure
- B01L2300/049—Valves integrated in closure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/04—Details of the conveyor system
- G01N2035/0439—Rotary sample carriers, i.e. carousels
- G01N2035/0453—Multiple carousels working in parallel
Definitions
- the present invention relates to a technique of an automatic analyzer, and particularly to a reagent container used in the automatic analyzer and a technique effective when applied to an automatic analyzer using the reagent container.
- Conventional automatic analyzers measure the reaction of test liquids by dispensing collected samples such as serum and urine (also called specimens, test solutions, samples, etc.) and reagents according to test items into reaction containers. To do. An identification label is attached to the reagent container to identify a plurality of test reagents.
- reagent containers can be stored in the reagent storage, and the reagents required for analysis are placed on the turntable while being stored in the reagent container. Move up. Since the amount of inspection reagent used and the inspection frequency are different for each inspection item, the amount of reagent necessary for one day is different. In order to avoid the trouble of frequently replacing the reagent container, the capacity of the reagent container is changed depending on the inspection item, and a large reagent container is used for an item with a large amount of reagent used.
- Patent Document 1 there is a technology described in Patent Document 1 regarding a reagent container.
- the reagent container described in Patent Document 1 has a structure including a reagent outlet by a reagent dispensing probe and a cylindrical member inserted into the reagent outlet.
- a typical reagent container is a reagent container for an automatic analyzer and has the following characteristics.
- the reagent container has a first opening used when the reagent is aspirated and a second opening used when the reagent is replenished.
- the second opening is provided with a cover that can be attached and detached.
- the lid is provided with an air hole and a shielding plate for preventing the reagent from scattering from the air hole due to the wave of the reagent.
- the air hole is preferably a hole having the same area as or larger than the first opening.
- a typical automatic analyzer is an automatic analyzer using the reagent container and has the following characteristics.
- the automatic analyzer includes a reagent disk on which a plurality of the reagent containers are installed, a reaction container for reacting the reagent in the reagent container with the sample to be analyzed, and a reagent from the reagent container on the reagent disk. And a reagent dispensing probe for dispensing into the reaction vessel.
- a typical effect is that even if a large-capacity reagent container is rotated at high speed, it is possible to prevent the reagent in the reagent container from splashing out of the reagent container. Accordingly, it is possible to prevent the stain on the identification label of the reagent container and the stain on the window for reading the identification label. As a result, it is possible to reduce the reading failure of the barcode of the identification label due to the scattering of the reagent, and provide a highly reliable automatic analyzer.
- FIG. 4 is a cross-sectional view taken along the line AA in FIG. 3.
- FIG. 4 is a cross-sectional view taken along the line BB in FIG. 3.
- FIGS. 6A and 6B are diagrams for explaining an example of the configuration of the lid of the reagent container shown in FIGS. 2 to 5, where (a) is a plan view and (b) is a cross-sectional view taken along the line AA in FIG.
- FIG. 1 It is. It is sectional drawing for demonstrating an example of the scattering of the reagent in the reagent container of Embodiment 1 of this invention. It is sectional drawing for demonstrating an example of the scattering of the reagent in the reagent container of a prior art. It is sectional drawing for demonstrating an example of the scattering of the reagent in the reagent container of Embodiment 1 of this invention. It is sectional drawing for demonstrating an example of the range of the scattering prevention of the reagent in the reagent container of Embodiment 1 of this invention.
- FIG. 1 It is sectional drawing for demonstrating an example of the scattering of the reagent in the reagent container of Embodiment 1 of this invention.
- FIG. 5 is a diagram for explaining an example of the configuration of a reagent container used in the automatic analyzer according to the second embodiment of the present invention, where (a) is a plan view and (b) is an AA section of (a). It is sectional drawing by a line. It is a figure for demonstrating an example of a structure of the reagent container used for the automatic analyzer which is Embodiment 3 of this invention, (a) is a top view, (b) is AA cutting
- the constituent elements are not necessarily indispensable unless otherwise specified and apparently essential in principle. Needless to say.
- the shapes, positional relationships, etc. of the components, etc. when referring to the shapes, positional relationships, etc. of the components, etc., the shapes are substantially the same unless otherwise specified, or otherwise apparent in principle. And the like are included. The same applies to the above numerical values and ranges.
- the reagent container of the present embodiment is a reagent container for an automatic analyzer and has the following characteristics (for example, the reference numerals of the corresponding components are added in parentheses).
- the reagent container has a first opening (27) used when aspirating the reagent and a second opening (28) used when filling the reagent.
- the second opening is provided with a cover (29) that can be attached and detached.
- the lid is provided with an air hole (33) and a shielding plate (30, 31, 34, 35) for preventing the reagent from splashing from the air hole due to the wave of the reagent. To do.
- the automatic analyzer is an automatic analyzer using the reagent container and has the following characteristics (for example, reference numerals of components corresponding to the parentheses) Is added).
- the automatic analyzer includes a reagent disk (26) in which a plurality of the reagent containers are installed, a reaction container (6) for reacting the reagent in the reagent container with the sample to be analyzed, and the reagent container on the reagent disk. It has a reagent dispensing probe (8) for sucking a reagent from the inside and dispensing it into the reaction container.
- FIG. 1 is a schematic diagram for explaining an example of the configuration and operation of this automatic analyzer.
- 1 is a sample container
- 2 is a sample disk
- 3 is a computer
- 4 is an interface
- 5 is a sample dispensing probe
- 6 is a reaction container
- 7 is a sample pump
- 8 is a reagent dispensing probe
- 9 is a reaction.
- Tank 11 Reagent pump
- 12 Reagent container
- Stirring mechanism 15 Multi-wavelength photometer
- 16 A / D converter
- 17 Printer 17 Printer
- 18 CRT 19
- Cleaning mechanism 20
- 21 is a keyboard
- 23 is a reagent barcode reader
- 25 is a hard disk
- 26 is a reagent disk.
- the automatic analyzer mainly includes a specimen disk 2 on which a plurality of specimen containers 1 are placed, a reagent disk 26 on which a plurality of reagent containers 12 are placed, and a plurality of reaction containers 6.
- a stirring mechanism 13, a multi-wavelength photometer 15, a cleaning mechanism 19 and the like installed in the vicinity of the reaction tank 9 are configured.
- the sample disk 2 is composed of a circular rotating disk, and a plurality of sample containers 1 for storing samples to be analyzed are placed side by side on the rotating disk.
- a sample dispensing mechanism including a sample dispensing probe 5 is installed in the vicinity of the sample disk 2.
- the sample dispensing probe 5 is a probe that inhales a sample from the corresponding sample container 1 and discharges the sample to the corresponding reaction container 6.
- a sample pump 7 is connected to the sample dispensing probe 5, and a predetermined amount of sample is dispensed into the reaction container 6 by the sample pump 7.
- the reagent disk 26 is composed of a circular rotating disk, and a plurality of reagent containers 12 storing reagents are placed side by side on the rotating disk. In the vicinity of the reagent disk 26, a reagent dispensing mechanism including the reagent dispensing probe 8 is installed.
- the reagent dispensing probe 8 is a probe that sucks a reagent from the corresponding reagent container 12 and discharges the reagent to the corresponding reaction container 6.
- a reagent pump 11 is connected to the reagent dispensing probe 8, and a predetermined amount of reagent is dispensed into the reaction container 6 by the reagent pump 11.
- a plurality of reaction container holders holding a plurality of reaction containers 6 into which specimens and reagents are dispensed are installed in the reaction tank 9 side by side on the circumference.
- the reaction disk in which reaction container holders holding the reaction containers 6 are arranged can be intermittently rotated by a drive mechanism.
- a stirring mechanism 13, a multi-wavelength photometer 15, a cleaning mechanism 19 and the like are installed in the vicinity of the reaction disk.
- the stirring mechanism 13 is a mechanism for stirring the contents (specimen and reagent) in the reaction vessel 6.
- the multiwavelength photometer 15 is a mechanism for measuring the absorbance of the contents in the reaction vessel 6.
- the cleaning mechanism 19 is a mechanism for cleaning the inside of the reaction vessel 6.
- a cleaning mechanism vacuum pump 20 is connected to the cleaning mechanism 19, and a cleaning liquid is supplied by the cleaning mechanism vacuum pump 20.
- Sample disk 2 of sample container 1, reagent disk 26 of reagent container 12, reaction disk of reaction container 6, sample dispensing mechanism, reagent dispensing mechanism, stirring mechanism 13, multi-wavelength photometer 15, cleaning mechanism 19 and the like Are connected to the computer 3 via the interface 4 to control each operation.
- a display device such as a CRT 18, an input device such as a keyboard 21, a storage device such as a hard disk 25, an output device such as a printer 17 and the like are connected to a main body including an arithmetic processing function and a storage function.
- the hard disk 25 stores analysis parameters, the number of times each reagent container can be analyzed, the maximum number of times that can be analyzed, a calibration result, an analysis result, and the like.
- the analysis parameters include the item code assigned to the measurement item, measurement wavelength, sample dispensing volume, calibration method, standard solution concentration, number of standard solutions, analytical abnormality check value, and reagent container code required for each measurement item. Including.
- the reagent barcode attached to the reagent container 12 has reagent production lot number, container size, reagent expiration date, sequence number, etc. as reagent information.
- the sequence number is a different number for each container, and enables the reagent container 12 to be distinguished.
- the reagent container 12 is set on the reagent disk 26 of the analysis unit.
- the reagent disk 26 rotates, and the reagent barcode reading device 23 reads the reagent barcode during the rotation.
- the computer 3 uses the reagent container code included in the read reagent barcode information as a key to search for the corresponding measurement item from the items already registered in the analysis parameter, and reagent information for each reagent container Are stored in the hard disk 25.
- the sample analysis operation is performed in the order of data processing such as sampling, reagent dispensing, stirring, photometry, washing of the reaction container, and concentration conversion as described below.
- a plurality of specimen containers 1 containing specimens are installed on the rack. This rack is controlled by the computer 3 via the interface 4.
- a rack in which a plurality of specimen containers 1 containing specimens are installed moves under the specimen dispensing probe 5 according to the order of the specimens to be analyzed, and the specimen in the predetermined specimen container 1 is the specimen dispensing probe 5.
- a predetermined amount is dispensed into the reaction vessel 6 by the sample pump 7 connected to the.
- reaction container 6 into which the specimen has been dispensed moves in the reaction tank 9 to the first reagent addition position.
- a predetermined amount of the first reagent sucked from the reagent container 12 by the reagent pump 11 connected to the reagent dispensing probe 8 is added to the moved reaction container 6.
- reaction vessel 6 after the addition of the first reagent moves to the position of the stirring mechanism 13 and the first stirring is performed.
- Such reagent addition and stirring is performed for the first to fourth reagents.
- the reaction vessel 6 in which the contents are agitated passes through the light beam emitted from the light source, and the absorbance at this time is detected by the multiwavelength photometer 15.
- the detected absorbance signal enters the computer 3 via the interface 4 via the A / D converter 16 and is converted into the concentration of the specimen.
- the data converted into this density is printed out from the printer 17 via the interface 4.
- reaction vessel 6 whose photometry by the multi-wavelength photometer 15 is completed moves to the position of the cleaning mechanism 19, and after being discharged from the inside, it is washed with water and used for the next analysis.
- sample processing is performed by sequentially performing data processing such as sampling, reagent dispensing, stirring, photometry, washing of the reaction container, and concentration conversion. Can do.
- FIG. 2 is a perspective view for explaining an example of the configuration of the reagent container 12 used in the automatic analyzer.
- 3 to 5 are diagrams for explaining an example of the reagent container 12 shown in FIG. 2.
- FIG. 3 is a plan view
- FIG. 4 is a cross-sectional view taken along the line AA in FIG. 5 is a cross-sectional view taken along the line BB of FIG.
- the reagent container 12 used in the automatic analyzer of the present embodiment is arranged in the reagent disk 26 of the automatic analyzer, and has a structure applicable to high-speed rotation and stop of the reagent disk 26. Since the reagent container 12 is arranged side by side following the circular shape of the reagent disk 26, the reagent container 12 has a shape similar to a quadrangular ring shape, and has a shape close to a rectangular columnar box shape. The reagent container 12 has a structure that can be applied to an increase in the amount of the reagent.
- the reagent container 12 of the present embodiment has a first opening 27 used when the reagent is aspirated and a second opening 28 used when filling the reagent. That is, two circular holes are opened in the reagent container 12, the first opening 27 is a hole used when the reagent is sucked from the reagent container 12 and analyzed, and the second opening 28 is It is a hole used when filling the reagent container 12 with a reagent.
- the hole of the second opening 28 is a circle having a larger diameter than the hole of the first opening 27.
- the second opening 28 is provided with a cover 29 that can be attached and detached.
- the lid 29 is provided with an air hole 33 and a first shielding plate 30 and a second shielding plate 31 that prevent the reagent from splashing from the air hole 33 due to the ripple of the reagent. That is, the second opening 28 is provided with a lid 29 so that the reagent does not scatter outside the upper portion of the reagent container 12 even if the reagent disk 26 rotates and stops at high speed.
- the reagent is placed on the upper portion of the reagent container 12 by the first shielding plate 30 provided below the air hole 33 and the second shielding plate 31 provided inside the air hole 33. It is designed not to scatter outside.
- an anti-vibration cylinder 32 for preventing the anti-vibration of the reagent is inserted. That is, the anti-ripple cylinder 32 is inserted into the first opening 27 so that the reagent in the reagent container 12 does not ripple even when the reagent disk 26 rotates and stops at high speed.
- the wave preventing cylinder 32 has a hole for taking in the reagent in the reagent container 12, and this hole is provided at the lowermost part of the wave preventing cylinder 32.
- the air hole 33 of the lid 29 attached to the second opening 28 is an opening area for making the position of the liquid level of the reagent in the reagent container 12 constant with the liquid level in the anti-vibration cylinder 32.
- the air hole 33 of the lid 29 causes the liquid level of the reagent in the reagent container 12 to be changed as needed during the suction of the reagent in the relationship between the pressure inside the reagent container 12, the inside of the anti-ripple cylinder 32, and the outside of the reagent container 12. It is provided because it needs to be kept constant. For this reason, it is desirable for the air hole 33 to have an area of a certain level or more that is not too small.
- the air hole is a hole having the same area as or larger than that of the first opening 27.
- the sum of the areas of the holes be equal to or larger than the first opening 27 or the same area.
- the reagent storage part below the first opening 27 and the lower part of the second opening 28 are further provided so that the reagent in the reagent container 12 does not ripple.
- a partition 36 is also provided between each of the reagent storage portions. The partition 36 is not provided on the inner upper surface side and the inner lower surface side of the reagent container 12, and the reagent flows back and forth through the inner lower surface side.
- reagent production lot number a container size, a reagent expiration date, a sequence number, etc. are recorded as reagent information between the first opening 27 and the second opening 28.
- An identification label 37 of the reagent barcode is attached.
- FIGS. 6A and 6B are diagrams for explaining an example of the configuration of the lid 29 of the reagent container 12.
- FIG. 6A is a plan view
- FIG. 6B is a cross-sectional view taken along the line AA in FIG. is there.
- the lid 29 of the reagent container 12 can be attached to and detached from the second opening 28 of the reagent container 12 to prevent the reagent from being scattered from the air hole 33 and the air hole 33 due to the ripple of the reagent.
- a first shielding plate 30 and a second shielding plate 31 are provided.
- the air hole 33 of the lid 29 is an elliptical (substantially elliptical) hole. Below the air hole 33, the diameter is smaller than the diameter of the second opening 28 and larger than the diameter of the air hole 33 (the diameter of the elliptical long axis), and functions as a shielding plate for preventing reagent scattering.
- a first shielding plate 30 is provided.
- a second shielding plate 31 having a cylindrical projection and functioning as a shielding plate for preventing reagent scattering is provided inside the air hole 33.
- the reagent in the reagent container 12 is prevented from jumping out from the air hole 33 to the outside of the upper part of the reagent container 12. It has the structure which has the 1st shielding board 30 which prevents scattering. Further, the inner side of the air hole 33 has a structure in which the inner side of the cylindrical projection is the second shielding plate 31.
- the lid 29 has a structure in which two cylindrical shapes (so-called cap-shaped caps) having a collar on the upper surface and having different sizes are combined upside down.
- An elliptical air hole 33 is formed in the large cylindrical bottom portion, and the elliptical air hole 33 is combined so as to be inserted from the small cylindrical bottom. ing.
- the small cylindrical inner bottom and side portions correspond to the inner side of the cylindrical projection that functions as the second shielding plate 31.
- the small cylindrical collar portion corresponds to the first shielding plate 30.
- the large cylindrical collar portion When the lid 29 is attached to the reagent container 12, the large cylindrical collar portion is on the upper side, the small cylindrical collar portion is on the lower side, and the large cylindrical collar portion is on the reagent container 12.
- the large cylindrical outer peripheral portion hits the upper surface of the peripheral portion of the second opening 28 and is mounted so as to be fitted into the inner peripheral portion of the second opening 28 of the reagent container 12.
- FIG. 7 is a cross-sectional view for explaining an example of reagent splattering in the reagent container 12 of the present embodiment
- FIG. 8 is a cross-sectional view for explaining an example of reagent splattering in the conventional reagent container. It is.
- FIG. 5 is a cross-sectional view corresponding to FIG. 4 described above.
- the reagent 138 in the reagent container 112 may be scattered outside the reagent container 112 as shown in FIG. That is, in the reagent container 112 of the prior art, the air hole 133 is provided on the upper surface of the lid 129, and since there is no shielding plate below the air hole 133, the reagent 138 may be scattered from the air hole 133. It was.
- the air hole 33 is provided in the lid 29, the first shielding plate 30 is provided below the air hole 33,
- the second shielding plate 31 inside the air hole 33, the reagent 38 can be prevented from scattering out of the reagent container 12. That is, when the reagent disk 26 rotates and stops at a high speed, the reagent shakes in the reagent container 12 increases. However, the reagent does not scatter out of the reagent container 12 even when a large wave is generated by the reagent shake.
- FIG. 9 is a cross-sectional view for explaining an example of prevention of scattering of the reagent 38 in the reagent container 12
- FIG. 10 is a cross-sectional view for explaining an example of a range of prevention of scattering of the reagent 38.
- FIG. 5 is a cross-sectional view corresponding to FIG. 4 described above.
- the dimension a is the diameter of the first shielding plate 30, the dimension b is the distance between the air hole 33 and the first shielding plate 30, the dimension c is the distance from the air hole 33 to the upper surface of the lid 29, and the dimension d is the first.
- the diameter and dimension e of the cylindrical projection of the two shielding plates 31 indicate the outer dimensions of the air hole 33, respectively.
- the angle ⁇ indicates an angle from the inner upper surface of the reagent container 12 to the inner side with the outer side of the air hole 33 as a fulcrum.
- each dimension ab within the angle of the hatched portion 39 may be variable.
- the dimension a is equal to or smaller than the diameter of the hole for attaching the lid 29 of the second opening 28.
- the reagent container 12 has a first opening 27 used when the reagent 38 is aspirated and a second opening 28 used when the reagent 38 is filled.
- the second opening 28 is provided with a cover 29 that can be attached and detached.
- the lid 29 is provided with an air hole 33 and a first shielding plate 30 and a second shielding plate 31 that prevent the reagent 38 from splashing from the air hole 33 due to the wave of the reagent 38.
- the reagent container 12 can be filled with a capacity of 400 ml or more.
- an anti-vibration cylinder 32 for preventing the reagent 38 from undulating is inserted in the first opening 27 in the first opening 27, an anti-vibration cylinder 32 for preventing the reagent 38 from undulating is inserted.
- the air hole 33 of the lid 29 attached to the second opening 28 has an opening area for making the position of the liquid level of the reagent 38 in the reagent container 12 constant with the liquid level in the anti-ripple cylinder 32.
- the air hole 33 is an elliptical hole.
- a first shielding plate 30 having a diameter smaller than the diameter of the second opening 28 and larger than the diameter of the air hole 33 and functioning as a shielding plate is provided.
- a second shielding plate 31 having a cylindrical projection, and the inside of the projection functions as a shielding plate.
- FIG. 2 An automatic analyzer using a reagent container according to the second embodiment will be described with reference to FIG.
- the present embodiment is characterized in that the upper surface shape of the reagent container is different from that of the first embodiment, and a recess is provided in a portion where the lid is gripped when the lid is removed. This is a structure for facilitating the removal of the lid.
- differences from the first embodiment will be mainly described.
- FIG. 11 is a diagram for explaining an example of the configuration of a reagent container used in the automatic analyzer (FIG. 1) similar to that of the first embodiment, where (a) is a plan view and (b) is ( It is sectional drawing by the AA cutting line of a).
- the reagent container 12a used in the automatic analyzer according to the present embodiment has the reagent container 12a at two places where the finger touches so that the lid 29 can be easily removed when the reagent container 12a is filled.
- a recess 51 having a structure that dents the upper surface is provided.
- the recesses 51 are provided at two locations around the second opening 28 in a direction substantially perpendicular to the line connecting the second opening 28 and the first opening 27.
- the arrangement position of the dent 51 is not limited to this.
- the lid 51 is recessed at a site where the lid 29 is grasped with a finger. Therefore, the lid 29 can be easily removed.
- FIG. 3 An automatic analyzer using a reagent container according to the third embodiment will be described with reference to FIG.
- This embodiment is different from the first embodiment in the shape of the lid used for the reagent container, and the surface on which the air hole of the lid is arranged is located below the air hole when the reagent adheres to the surface. It is characterized by an inclined structure that falls. This is a structure in which the reagent attached to the lid falls into the reagent container. In the following, differences from the first embodiment will be mainly described.
- FIG. 12 is a diagram for explaining an example of the configuration of a reagent container used in the automatic analyzer (FIG. 1) similar to that of the first embodiment, where (a) is a plan view and (b) is ( It is sectional drawing by the AA cutting line of a).
- the reagent container 12b used in the automatic analyzer according to the present embodiment is arranged such that when the reagent in the reagent container 12b rotates and stops the reagent disk 26 at a high speed, the reagent jumps upward and the air hole 33 of the lid 29 is arranged. Even if the reagent adheres to the surface, the inclined portion 52 is provided so as to fall down through the air hole 33.
- the inclined portion 52 is inclined to the inner side of the reagent container 12b from the peripheral portion of the lid 29 toward the central portion.
- the reagent container 12a used in the automatic analyzer of the present embodiment as an effect different from the first embodiment, even when the reagent scatters upward and adheres to the lid 29, the reagent is inclined to the inclined portion 52. It can fall into the reagent container 12b along the inclination.
- FIGS. 4 An automatic analyzer using a reagent container according to the fourth embodiment will be described with reference to FIGS.
- the present embodiment is characterized by four types of shapes that are different from the first embodiment in the shape of the lid of the reagent container. In the following, differences from the first embodiment will be mainly described.
- FIGS. 13 to 16 are diagrams for explaining an example of the configuration of the lid of the reagent container used in the automatic analyzer (FIG. 1) similar to that of the first embodiment.
- FIG. 4B is a cross-sectional view taken along the line AA in FIG.
- the lid 29a shown in FIG. 13 has an air hole 33 on the side surface and has a structure including a first shielding plate 30, a second shielding plate 31, and a third shielding plate. That is, the lid 29a has a structure in which a shape having no large cylindrical bottom portion having a collar is combined with a smaller cylindrical shape. An air hole 33 is provided in a connecting portion between the large cylindrical shape and the small cylindrical shape.
- the large cylindrical side portion functions as the first shielding plate 30, the small cylindrical bottom portion functions as the second shielding plate 31, and the small cylindrical side portion functions as the third shielding plate 34. . Further, the height of the small cylindrical protrusion is lower than the upper surface of the lid 29.
- the lid 29b has a structure in which a shape having no smaller cylindrical bottom is coupled to a small cylindrical outer bottom portion. This smaller cylindrical side portion functions as the fourth shielding plate 35.
- Four fan-shaped air holes 33 are provided in a cylindrical bottom portion having a collar.
- a circular plate-shaped portion functions as the first shielding plate 30.
- the lid 29d has a structure in which a shape having no smaller cylindrical bottom is coupled to a cylindrical inner bottom portion. This smaller cylindrical side portion functions as the second shielding plate 31.
- the reagent As described above, according to the lids 29a to 29d of the reagent container 12 used in the automatic analyzer of the present embodiment, as an effect different from that of the first embodiment, in addition to the shape shown in the first embodiment, the reagent
- the shapes of the lids 29a to 29d of the container 12 can be variously changed. For example, it is conceivable to change the shape according to the type, volume, etc. of the reagent filled in the reagent container 12.
- FIG. 5 An automatic analyzer using a reagent container according to the fifth embodiment will be described with reference to FIG. Compared with the first embodiment, the present embodiment is characterized in that the reagent container has a shape in which a plurality of containers are combined. In the following, differences from the first embodiment will be mainly described.
- FIG. 17 is a plan view for explaining an example of the configuration of the reagent container used in the automatic analyzer (FIG. 1) similar to that of the first embodiment.
- the reagent container 12c used in the automatic analyzer according to the present embodiment has a shape in which not only one but also a plurality of containers are combined depending on the purpose, and the nozzle of the reagent dispensing probe 8 is provided in the reagent container 12c. There are provided three first openings 27 for intruding into the first and second openings 28 used for filling the reagent. Various lids described above (FIGS. 6, 13 to 16) are also used for the second opening 28. FIG.
- a reagent container 12c used for the automatic analyzer of the present embodiment as an effect different from the first embodiment, a reagent container having a shape in which a plurality of containers are combined according to the purpose of the reagent container 12c. 12c.
- the present invention made by the present inventor has been specifically described based on the embodiment.
- the present invention is not limited to the embodiment, and various modifications can be made without departing from the scope of the invention. Needless to say.
- the above-described embodiment has been described in detail for easy understanding of the present invention, and is not necessarily limited to one having all the configurations described.
- a part of the configuration of one embodiment can be replaced with the configuration of another embodiment, and the configuration of another embodiment can be added to the configuration of one embodiment. .
- 2nd opening part 29, 29a, 29b, 29c, 29d ... Lid
- 30 ... 1st shielding board, 31 ... 2nd shielding board, 32 ... Anti-ripple cylinder, 33 ... Air hole 34 ... 3rd shielding board, 35 ... 4th shielding board, 36 ... Partition, 37 ... Identification label, 38 ... Reagent, 39 ... Dot illustration part, 51 ... Recess, 52 ... Inclined part, 112 ... Reagent container, 129 ... Lid, 133 ... Air hole, 138 ... Reagent.
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Abstract
Description
本実施の形態の試薬容器は、自動分析装置用の試薬容器であって、以下のような特徴を有するものである(一例として、()内に対応する構成要素の符号等を付記)。前記試薬容器は、試薬を吸引する時に使用される第1開口部(27)と、前記試薬を充填する時に使用される第2開口部(28)とを有する。前記第2開口部には、取り付けおよび取り外し可能な蓋(29)が設けられている。前記蓋には、空気穴(33)と、前記試薬の波立ちによる前記空気穴からの前記試薬の飛び散りを防止する遮蔽板(30,31,34,35)とが設けられていることを特徴とする。
本実施の形態1である、試薬容器を用いた自動分析装置を、図1~図10を用いて説明する。
図1を用いて、本実施の形態である自動分析装置の構成と動作について説明する。図1は、この自動分析装置の構成と動作の一例を説明するための概略図である。
図2~図5を用いて、図1に示した自動分析装置に用いる試薬容器12の構成について説明する。図2は、この自動分析装置に用いる試薬容器12の構成の一例を説明するための斜視図である。図3~図5は、図2に示した試薬容器12の一例を説明するための図であり、それぞれ、図3は平面図、図4は図3のA-A切断線による断面図、図5は図3のB-B切断線による断面図である。
図6を用いて、図2~図5に示した試薬容器12の蓋29の構成について説明する。図6は、この試薬容器12の蓋29の構成の一例を説明するための図であり、それぞれ、(a)は平面図、(b)は(a)のA-A切断線による断面図である。
図7~図8を用いて、図2~図6に示した本実施の形態の試薬容器12と、従来技術の試薬容器との試薬飛び散り比較について説明する。図7は、本実施の形態の試薬容器12における試薬の飛び散りの一例を説明するための断面図であり、図8は、従来技術の試薬容器における試薬の飛び散りの一例を説明するための断面図である。それぞれ、前述した図4に対応する断面図である。
図9~図10を用いて、図2~図6に示した本実施の形態の試薬容器12における試薬38の飛び散り防止について説明する。図9は、この試薬容器12における試薬38の飛び散り防止の一例を説明するための断面図であり、図10は、この試薬38の飛び散り防止の範囲の一例を説明するための断面図である。それぞれ、前述した図4に対応する断面図である。
以上説明した本実施の形態の自動分析装置、この自動分析装置に用いる試薬容器12によれば、以下のような効果を得ることができる。
本実施の形態2である、試薬容器を用いた自動分析装置を、図11を用いて説明する。本実施の形態は、前記実施の形態1と比較して、試薬容器の上面形状が異なり、蓋を取り外す時に蓋を掴む部位に凹みが設けられていることを特徴とする。これは、蓋の取り外しを容易にするための構造である。以下においては、主に実施の形態1と異なる点を説明する。
本実施の形態3である、試薬容器を用いた自動分析装置を、図12を用いて説明する。本実施の形態は、前記実施の形態1と比較して、試薬容器に用いる蓋の形状が異なり、蓋の空気穴を配置している面は、試薬が面に付着した時に空気穴を通して下部に落ちるように傾斜構造になっていることを特徴とする。これは、蓋に付着した試薬を試薬容器内に落ちるようにした構造である。以下においては、主に実施の形態1と異なる点を説明する。
本実施の形態4である、試薬容器を用いた自動分析装置を、図13~図16を用いて説明する。本実施の形態は、前記実施の形態1と比較して、試薬容器の蓋の形状が異なる4種類の形状を特徴とする。以下においては、主に実施の形態1と異なる点を説明する。
本実施の形態5である、試薬容器を用いた自動分析装置を、図17を用いて説明する。本実施の形態は、前記実施の形態1と比較して、試薬容器は複数分の容器を合体させた形状になっていることを特徴とする。以下においては、主に実施の形態1と異なる点を説明する。
27…第1開口部、28…第2開口部、 29,29a,29b,29c,29d…蓋、 30…第1遮蔽板、 31…第2遮蔽板、 32…波立ち防止筒、 33…空気穴、34…第3遮蔽板、35…第4遮蔽板、36…仕切り、37…識別ラベル、38…試薬、39…ドット図示部、
51…凹み、52…傾斜部、
112…試薬容器、129…蓋、 133…空気穴、138…試薬。
Claims (8)
- 自動分析装置用の試薬容器であって、
試薬を吸引する時に使用される第1開口部と、前記試薬を充填する時に使用される第2開口部とを有し、
前記第2開口部には、取り付けおよび取り外し可能な蓋が設けられ、
前記蓋には、空気穴と、前記試薬の波立ちによる前記空気穴からの前記試薬の飛び散りを防止する遮蔽板とが設けられていることを特徴とする試薬容器。 - 請求項1記載の試薬容器において、
前記空気穴は、前記第1開口部と同じ面積以上、若しくは、同じ面積の穴であることを特徴とする試薬容器。 - 請求項1記載の試薬容器において、
前記試薬容器内には、前記試薬の容量は400ml以上充填可能であり、
前記第1開口部には、前記試薬の波立ちを防止する波立ち防止筒が挿入されており、
前記第2開口部に取り付けられた前記蓋の前記空気穴は、前記試薬容器内の前記試薬の液面の位置を前記波立ち防止筒内の液面と一定にするための開口面積であることを特徴とする試薬容器。 - 請求項3記載の試薬容器において、
前記空気穴は、楕円状の穴からなり、
前記空気穴の下側には、前記第2開口部の直径より小さく、前記空気穴の直径より大きい寸法の直径からなり、前記遮蔽板として機能する第1遮蔽板が設けられ、
前記空気穴の内側には、円筒状の突起を有し、前記突起の内側が前記遮蔽板として機能する第2遮蔽板が設けられていることを特徴とする試薬容器。 - 請求項4記載の試薬容器において、
前記試薬容器には、前記蓋を取り外す時に前記蓋を掴む部位に凹みが設けられていることを特徴とする試薬容器。 - 請求項4記載の試薬容器において、
前記空気穴の内側の前記円筒状の突起の高さは、前記蓋の上面より低い寸法になっていることを特徴とする試薬容器。 - 請求項4記載の試薬容器において、
前記蓋の前記空気穴を配置している面は、前記試薬が前記面に付着した時に前記空気穴を通して下部に落ちるように傾斜構造になっていることを特徴とする試薬容器。 - 請求項1記載の試薬容器を用いた自動分析装置であって、
前記試薬容器を複数設置する試薬ディスクと、前記試薬容器内の試薬と分析対象の検体とを反応させる反応容器と、前記試薬ディスク上の前記試薬容器内から試薬を吸引し、前記反応容器に分注する試薬分注プローブとを有することを特徴とする自動分析装置。
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