WO2018173464A1 - 自動分析装置 - Google Patents
自動分析装置 Download PDFInfo
- Publication number
- WO2018173464A1 WO2018173464A1 PCT/JP2018/002083 JP2018002083W WO2018173464A1 WO 2018173464 A1 WO2018173464 A1 WO 2018173464A1 JP 2018002083 W JP2018002083 W JP 2018002083W WO 2018173464 A1 WO2018173464 A1 WO 2018173464A1
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- WIPO (PCT)
- Prior art keywords
- lid
- arm
- container
- opening
- protrusion
- Prior art date
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Classifications
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- 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
- G01N35/1081—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices characterised by the means for relatively moving the transfer device and the containers in an horizontal plane
- G01N35/1083—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices characterised by the means for relatively moving the transfer device and the containers in an horizontal plane with one horizontal degree of freedom
-
- 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
-
- 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
- B01L3/527—Containers specially adapted for storing or dispensing a reagent for a plurality of reagents
-
- 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
-
- 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
- B01L2200/0689—Sealing
-
- 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
- B01L2200/16—Reagents, handling or storing thereof
-
- 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
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- 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
- G01N2035/0401—Sample carriers, cuvettes or reaction vessels
- G01N2035/0403—Sample carriers with closing or sealing means
- G01N2035/0405—Sample carriers with closing or sealing means manipulating closing or opening means, e.g. stoppers, screw caps, lids or covers
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- 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
- G01N2035/0401—Sample carriers, cuvettes or reaction vessels
- G01N2035/0406—Individual bottles or tubes
- G01N2035/041—Individual bottles or tubes lifting items out of a rack for access
-
- 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
- G01N2035/0443—Rotary sample carriers, i.e. carousels for reagents
-
- 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
- G01N2035/0474—Details of actuating means for conveyors or pipettes
- G01N2035/0482—Transmission
- G01N2035/0484—Belt or chain
Definitions
- the present invention relates to a technique of an automatic analyzer used for chemical analysis, and relates to an opening / closing mechanism of a lid of a container such as a reagent bottle.
- a reagent is aspirated from a reagent bottle and discharged into a reaction container to generate a reaction liquid in which a sample (also called a sample, specimen, etc.) and a reagent are mixed (hereinafter, a dispensing process) Described).
- a sample also called a sample, specimen, etc.
- a reagent may be stirred.
- the reagent bottle lid is opened before the reagent dispensing and stirring, and the reagent bottle after the reagent dispensing and stirring.
- Patent Document 1 Japanese Patent No. 5726091 is cited as an example of prior art relating to the automatic analyzer and the lid opening / closing mechanism.
- Patent Document 1 describes that an automatic analyzer is provided with a lid opening / closing device that opens and closes by rotating a lid of a reagent container. It also describes that the hooks can be selectively engaged and disengaged with respect to the lid, and that the lids of the individual reagent containers can be selectively opened and closed, and the opening time can be shortened.
- a hook (claw-shaped part) is hooked on a projection portion of a lid on a reagent bottle having a projection on the lid.
- the lid is opened and closed.
- the opening and closing of the lid is realized by driving in two directions, a rotation direction of the hook and a vertical movement direction.
- a drive unit is provided for rotation of each of the plurality of hooks. Therefore, it is possible to control the opening and closing of a plurality of reagent bottle lids, and it is possible to open and close one selected specific lid.
- This technique is particularly effective when high processing capability and high-speed processing are required, such as handling the opening and closing of a plurality of reagent bottle lids at the same time.
- the opening and closing of each of the plurality of reagent bottles can be individually opened and closed. It is not necessary to have a function that can be controlled automatically.
- An object of the present invention is to provide a technique that can realize opening and closing of a lid of a container such as a reagent bottle before and after dispensing, etc., with a simpler structure and a smaller number of drives than in the prior art, for an automatic analyzer.
- a typical embodiment of the present invention is an automatic analyzer having the following configuration.
- An automatic analyzer of an embodiment is an automatic analyzer used for chemical analysis, a control device that controls the operation of a process, a container installation unit in which a container having an openable and closable lid is installed, A lid opening / closing mechanism for opening and closing the lid, the lid opening / closing mechanism comprising an arm including an arm for opening the lid, and a horizontal driving unit for moving the arm in a first horizontal direction;
- the arm has a protrusion contact portion for contacting the protrusion, and the protrusion contact portion is a first surface having an angle greater than 0 degree and less than 90 degrees with a horizontal plane as 0 degree.
- the lid opening / closing mechanism moves the arm in one direction in the first horizontal direction when the lid is opened to bring the projection into contact with the projection contact portion to bring the projection into the first Move vertically up along the shape of the surface And opening the lid by, when closing the lid, by moving the arm in the opposite direction of the first horizontal direction, close the lid.
- opening and closing of a lid of a container such as a reagent bottle before and after dispensing can be realized with a simpler structure and a smaller driving number than before.
- Embodiment 1 It is a figure which shows the whole structure of the automatic analyzer of Embodiment 1 of this invention.
- Embodiment 1 it is a figure which shows the structure of a reagent bottle.
- Embodiment 1 it is a figure which shows the detail of lid
- Embodiment 1 it is a figure which shows the structure of a lid
- Embodiment 1 it is a figure which shows the structure of the arm of a 1st design example.
- Embodiment 1 it is a figure which shows the state at the time of contact with the arm of a 1st design example, and the lid
- Embodiment 1 it is a figure which shows the structure of the arm of the 2nd design example. In Embodiment 1, it is a figure which shows the structure of the arm of the 3rd design example. In Embodiment 1, it is a figure which shows the structure of the arm of the 4th design example. In Embodiment 1, it is a figure which shows the structure of the arm of the 5th design example. In Embodiment 1, it is a figure which shows the 1st operation
- Embodiment 1 it is a figure which shows the 3rd operation
- Embodiment 1 it is a figure which shows the 4th operation
- Embodiment 1 it is a figure which shows the 5th operation
- Embodiment 1 it is a figure which shows the 6th operation
- Embodiment 2 it is a figure which shows the 2nd operation
- Embodiment 2 it is a figure which shows the 3rd operation
- Embodiment 2 it is a figure which shows the 4th operation
- Embodiment 2 it is a figure which shows the 5th operation
- Embodiment 2 it is a figure which shows the 7th operation
- Embodiment 2 It is a comparative example with respect to Embodiment 2, and is a figure which shows the 8th operation
- Embodiment 3 it is a figure which shows the 2nd operation
- Embodiment 3 it is a figure which shows the 3rd operation
- Embodiment 3 it is a figure which shows the 4th operation
- Embodiment 3 it is a figure which shows the 5th operation
- Embodiment 3 it is a figure which shows the 6th operation
- Embodiment 4 it is a figure which shows the flow of a reagent bottle registration process.
- Embodiment 4 it is a figure which shows the 2nd operation
- Embodiment 4 It is a figure which shows the 1st operation
- Embodiment 4 it is a figure which shows the flow of a reagent bottle registration process.
- Embodiment 4, it is a figure which shows the 2nd operation
- the automatic analyzer according to the first embodiment of the present invention will be described with reference to FIGS.
- the automatic analyzer according to the first embodiment includes a lid opening / closing mechanism that opens and closes the lid of the reagent bottle.
- FIG. 1 shows an overall configuration of an analyzer 1 that is an automatic analyzer according to the first embodiment.
- the structure of the plane which looked at the automatic analyzer installed in XY plane which is a horizontal surface from the top (Z direction) is shown.
- (X, Y, Z) is shown as a direction and a coordinate system for explanation.
- the X direction and the Y direction are orthogonal directions constituting a horizontal plane.
- the X direction corresponds to the width direction of the device.
- the Y direction corresponds to the vertical direction of the apparatus.
- the Z direction is a vertical direction perpendicular to the X direction and the Y direction, and corresponds to the height direction of the apparatus.
- the radial direction R of the reagent disk 2 is shown as the first horizontal direction
- the circumferential direction C of the reagent disk 2 is shown as the second horizontal direction.
- the analysis apparatus 1 includes a control computer 123, a rack transport unit 120, an incubator disk 104, a reaction container transport mechanism 106, a reaction container holding member 107, a reaction container stirring mechanism 108, a reaction container discard hole 109, a reagent disk 2, and a lid opening / closing mechanism unit. 4. Reagent dispensing nozzle 114, detection unit 116, and the like.
- the control apparatus 123 and the rack transport unit 120 that stores the rack 101 are connected to the analysis apparatus 1, and these are also constituent elements.
- the control computer 123 controls each mechanism of the analyzer 1 to realize the operation of the process.
- the control computer 123 controls a process for analysis based on, for example, analysis request information.
- the process includes a reagent dispensing process and the like.
- the control computer 123 also provides an interface for the user.
- the rack transport unit 120 includes a power-on instruction unit 121 and a power-off instruction unit 122 of the analyzer 1.
- the power-on instruction unit 121 and the power-off instruction unit 122 are buttons that can be input by an operator (a user who operates the analyzer 1), for example.
- the display unit of the control computer 123 may include an input unit corresponding to the power-on instruction unit 121 and the power-off instruction unit 122.
- the rack 101 is provided with a sample container 102 for holding a sample for analysis.
- the rack 101 is moved to the sample dispensing position in the vicinity of the sample dispensing nozzle 103 by the rack conveyance line 117.
- a plurality of reaction vessels 105 can be installed in the circumferential portion, and a rotational motion for moving the reaction vessels 105 installed in the circumferential direction to a predetermined position is possible.
- the sample dispensing tip and the reaction container transport mechanism 106 can move in each of three directions of X, Y, and Z. They move within a predetermined range of sample dispensing tip and reaction vessel holding member 107, reaction vessel stirring mechanism 108, sample dispensing tip and reaction vessel disposal hole 109, sample dispensing tip mounting position 110, and incubator disc 104. To do. Thereby, the sample dispensing tip and the reaction vessel 106 are transported.
- the sample dispensing tip and reaction vessel holding member 107 is provided with a plurality of unused reaction vessels 105 and sample dispensing tips.
- the sample dispensing tip and reaction vessel transport mechanism 106 moves above the sample dispensing tip and reaction vessel holding member 107, descends and holds the unused reaction vessel 105, and then rises. It moves above a predetermined position and descends to install the reaction vessel 105.
- sample dispensing tip and reaction vessel transport mechanism 106 moves above the sample dispensing tip and reaction vessel holding member 107, descends, holds the unused sample dispensing tip, and then moves up to sample. It moves above the dispensing tip mounting position 110 and descends to install the sample dispensing tip.
- the sample dispensing nozzle 103 can rotate on a horizontal plane and move vertically in the vertical direction.
- the sample dispensing nozzle 103 moves by rotating above the sample dispensing tip mounting position 110 and then descends, and the sample dispensing tip is press-fitted and attached to the tip of the sample dispensing nozzle 103.
- the sample dispensing nozzle 103 equipped with the sample dispensing tip moves down above the sample container 102 placed on the transport rack 101 and then descends to receive a predetermined amount of the sample held in the sample container 102. Suction.
- the sample dispensing nozzle 103 that has sucked the sample moves upward above the incubator disk 104 and then descends to discharge the sample into an unused reaction vessel 105 held by the incubator disk 104.
- the sample dispensing nozzle 103 moves above the sample dispensing tip and the reaction vessel discarding hole 109, and the used sample dispensing tip is discarded from the sample dispensing tip and the reaction vessel disposal hole 109. To do.
- the reagent disk 2 is a container installation part having a disk shape, and is driven to rotate as necessary.
- the reagent disk 2 is provided with a plurality of reagent bottles 3 on the circumference.
- the reagent disk 2 rotates around the central axis in the vertical direction on the horizontal plane based on driving. Thereby, the reagent bottle 3 arrange
- a reagent bottle 3 including one set of three container parts can be installed in the reagent disk 2, in particular, in the radial direction R.
- Each container has a lid.
- a plurality of reagent bottles 3 can be installed in the circumferential direction C.
- the number of containers mounted on the reagent disk 2 and the reagent bottle 3 is not limited to three, and other numbers are possible.
- a cover 2A is provided on the top of the reagent disk 2 to prevent entry of dust and the like. Further, the space including the reagent disk 2 is kept warm or kept at a predetermined temperature. That is, the space part including the reagent disk 2 also functions as a heat insulating box or a cold box.
- An opening 2B is provided in a part of the cover 2A, and a lid opening / closing mechanism 4 is provided near the opening 2B. In the opening 2B, the upper side of the reagent bottle 3 of the reagent disk 2 is exposed.
- the lid opening / closing mechanism 4 is a mechanism for opening and closing the lid of the container of the reagent bottle 3.
- the lid opening / closing mechanism unit 4 can open and close the lid of the selected target container unit for the reagent bottle 3 within a predetermined range on the reagent disk 2.
- the reagent dispensing nozzle 114 is capable of rotating on a horizontal plane and vertically moving in the vertical direction.
- the reagent dispensing nozzle 114 is pivoted and moved upward above the opening 2B of the cover 2A and then lowered, and the tip of the reagent dispensing nozzle 114 is placed in the reagent bottle 3 opened by the lid opening / closing mechanism 4. Immerse in a reagent and aspirate a predetermined amount of reagent.
- the reagent dispensing nozzle 114 is lifted, the reagent dispensing nozzle 114 is rotated above a predetermined position of the incubator disk 104 to discharge the reagent into the reaction vessel 105.
- the reaction vessel 105 from which the sample and the reagent have been discharged moves to a predetermined position by the rotation of the incubator disk 104, and is conveyed to the reaction vessel stirring mechanism 108 by the sample dispensing tip and the reaction vessel conveyance mechanism 106.
- the reaction vessel stirring mechanism 108 applies a rotational motion to the reaction vessel 105, thereby stirring and mixing the sample and the reagent in the reaction vessel 105. As a result, a reaction solution is generated in the reaction vessel 105.
- the reaction container 105 is returned to a predetermined position of the incubator disk 104 by the sample dispensing tip and the reaction container transport mechanism 106.
- the reaction container transport mechanism 115 transfers the reaction container 105 between the incubator disk 104 and the detection unit 116.
- the reaction container transport mechanism 115 lifts while holding the reaction container 105 and transports the reaction container 105 to the detection unit 116 by rotation.
- the reaction vessel 105 is analyzed in the detection unit 116.
- the reaction vessel 105 from which the reaction solution has been sucked moves to a predetermined position by the rotation of the incubator disk 104.
- the reaction container 105 is moved from the incubator disk 104 to above the sample dispensing chip and the reaction container disposal hole 109 by the sample dispensing chip and reaction container transport mechanism 106 and is discarded from the disposal hole.
- the reagent bottle 3 and the lid opening / closing mechanism 4 will be mainly described.
- FIG. 2 is a perspective view showing an outline of a structure related to opening and closing of the lid of the reagent bottle 3 in the first embodiment.
- the reagent bottle 3 has a structure in which the lid 3A is opened and closed by rotating the lid 3A with the hinge portion 204 as a fulcrum (rotating shaft).
- the reagent bottle 3 is mounted on a single rectangular parallelepiped main body 200 as a set of three container portions 201.
- the main body 200 is installed with respect to the reagent disk 2 (FIG. 45 described later).
- the inside of the main body 200 is separated into three spaces corresponding to the three container parts 201. The position of separation is indicated by a broken line.
- the space of one container portion 201 is, for example, a rectangular parallelepiped shape, but may be a cylindrical shape or the like.
- a reagent is placed in the container part 201. Different reagents may be contained in the three container portions 201 of the reagent bottle 3.
- three container parts 201 are arranged in a radial direction R at a predetermined interval.
- one container part 201 is arranged.
- the reagent bottle 3 has a main body 200, a container part 201, an opening part 202, a lid 3A, a hinge part 204, a catch part 205, and a protrusion 3B.
- the upper surface 3P of the upper part of the main body 200 has an opening 202 for each container part 201.
- the opening 202 is a dispensing port, and has a circular shape, for example.
- the opening 202 is formed in a convex portion having a predetermined thickness that is fixed so as to protrude upward from the upper surface 3P.
- a lid 3 ⁇ / b> A is provided for each opening 202 of the container part 201.
- the lid 3A has a substantially flat plate shape, and the upper surface of the lid 3A has a substantially rectangular shape.
- a catch portion 205 having a circular shape corresponding to the circular shape of the opening 202 is provided on the lower surface of the lid 3A.
- the catch part 205 is formed of an elastic body or the like.
- the lid 3A covers the opening 202 in the closed state. In the closed state of the lid 3 ⁇ / b> A, the catch portion 205 is just in contact with and fitted in the opening portion 202. Thereby, the container part 201 is sealed. In the closed state of the lid 3A, evaporation and deterioration of the reagent are prevented.
- a side part 211 at one end (left side in the figure) in the radial direction R of the lid 3A is connected by a hinge part 204.
- the hinge portion 204 extends in the circumferential direction C and is a rotational axis of rotation.
- the side 212 of the other end (right side in the figure) of the lid 3A in the radial direction R has a protrusion 3B.
- the lid 3 ⁇ / b> A can be opened and closed within a predetermined angle range with respect to the convex portion including the opening 202 through the hinge portion 204.
- the side portion 212 and the protrusion 3B are on the side that moves in an arcuate path when the lid 3A is opened and closed.
- the opening / closing direction of the lid 3A and the circular arc trajectory of the protrusion 3B and the like are indicated by broken line arrows.
- the lid 3A is opened without covering the opening 202 in the open state.
- the lid 3A is in a closed state in the container portion 201 indicated by # 1 on the right side.
- the lid 3A is in an open state.
- the container portion 201 indicated by # 2 in the middle shows a state in which the lid 3A is in the middle of transition between an open state and a closed state.
- the projection 3B is a lid projection used for opening and closing the lid 3A.
- Two protrusions 3Ba and 3Bb are provided as protrusions 3B at positions on both ends in the circumferential direction C on the side portion 212 of one lid 3A.
- the protrusion 3B is a cylindrical convex portion that protrudes in the circumferential direction C from the side portion 212, but is not limited thereto.
- the protrusion 3 ⁇ / b> B may be configured by a single bar that penetrates the side portion 212.
- the direction of the lid 3A of the reagent bottle 3 is defined as a predetermined direction.
- the side portion 211 and the hinge portion 204 at one end of the lid 3A are arranged on the arrow starting point side corresponding to the left side in the figure, and on the arrow tip side corresponding to the right side in the figure, A side portion 212 and a protrusion 3B at the other end of the lid 3A are disposed.
- the left side in the radial direction R corresponds to the inner peripheral side of the reagent disk 2
- the right side in the radial direction R corresponds to the outer peripheral side of the reagent disk 2.
- the arm 5 or the like of the lid opening / closing mechanism 4 has a structure corresponding to the lid opening / closing structure including the protrusion 3B of the reagent bottle 3 (FIG. 4 and the like described later).
- the reagent bottle 3 is not limited to this structure, and can have various structures. For example, a structure in which each of the three containers can be attached to and detached from the main body 200 may be used. Alternatively, a structure in which each container can be directly attached to and detached from the reagent disk 2 may be employed.
- the number of container parts 201 mounted on the main body 200 is not limited to three.
- FIG. 3 shows details of the lid 3A of the reagent bottle 3 with respect to the opening / closing angle of the lid 3A.
- the vicinity of the lid 3A is shown as a plane viewed from the side surface (circumferential direction C).
- the opening / closing angle of the lid 3A is defined as a lid angle ⁇ .
- the lid angle ⁇ is set to 0 degrees with respect to the horizontal plane.
- 3A shows a closed state of the lid 3A corresponding to the container portion 201 of # 1 in FIG. 2, and the lid angle ⁇ is 0 degree. In this closed state, the side portion 212 is in contact with the convex portion, and the catch portion 205 is fitted in the opening portion 202.
- FIG. 3 (B) shows a state where the lid angle ⁇ is about 45 degrees as the state in which the lid 3A is opened to some extent, corresponding to the container portion 201 of # 2 in FIG. An arc trajectory 222 during the movement of the protrusion 3B is also shown.
- the open state of the lid 3A shows the open state of the lid 3A corresponding to the container part 201 of # 3 in FIG. 2, and the lid angle ⁇ is approximately 90 degrees (about 85 to 89 degrees).
- the open state of the lid 3A may be defined as a state where the lid angle ⁇ is 90 degrees.
- the range 223 is a range corresponding to the width of the opening 202, and there are no components of the lid 3A. In the open state of the lid 3A, within this range 223, a dispensing nozzle or the like can access the openings 202 and below in the vertical direction.
- FIG. 4 is a perspective view showing the structure of the lid opening / closing mechanism 4.
- the lid opening / closing mechanism unit 4 includes a lid opening / closing unit 40, a vertical driving unit 41, and a horizontal driving unit 42.
- the lid opening / closing part 40 is roughly divided into an arm part 50 and a pressing part 60.
- the vertical drive unit 41 moves the horizontal drive unit 42 up and down in the vertical direction according to the control.
- the horizontal drive unit 22 moves the lid opening / closing unit 40 to the left and right in the first horizontal direction (radial direction R) according to the control.
- the first horizontal direction (radial direction R) corresponds to the direction of the lid 3A in FIG.
- a well-known motor, a belt conveyor, etc. are applicable as a component of the vertical drive part 41 or the horizontal drive part 42.
- the arm part 50 is an open lid part, and has a base part 51, a base part 52, and an arm 5.
- the arm 5 has two arms 5a and 5b.
- the base 51 extends in the vertical direction, and the upper end is connected to the horizontal drive unit 41.
- a connecting pin 309 is provided in the middle of the base 51.
- a base 52 is fixed to the lower end of the base 51.
- the base 52 extends in the circumferential direction C, and two arms 5a and 5a are fixed at two locations.
- the arm 5 is a component that mainly extends in the vertical direction. In the circumferential direction C, the arm 5 is provided with two arms 5a and 5b as a set.
- the positions of the two arms 5a and 5b correspond to the positions of the projections 3B (a set of two projections 3Ba and 3Bb) of the lid 3A in FIG.
- the structure of the 5th design example mentioned later is applied to the arm 5 of FIG. 4 of Embodiment 1.
- the pressing portion 60 is a closed lid portion, and includes a base portion 61, a base portion 62, and a pressing rod 6.
- a base 61 is movably connected to one side of the rail 305.
- the base 61 extends in the vertical direction.
- a guide pin 306 is provided in the middle of the base 61.
- the guide pin 306 is a component that connects the base 61 and the guide 304.
- a base 62 is fixed to the lower end of the base 61.
- the base 62 extends in the radial direction R.
- a pressing bar 6 is fixed to the right end of the base 62.
- the presser bar 6 extends in the circumferential direction C.
- the base 51 is movably connected to the horizontal drive unit 42.
- the horizontal drive unit 42 moves the base 51 in the first horizontal direction.
- the arm 5 connected to the base 51 moves in the first horizontal direction.
- a substrate 301 is fixed to the horizontal drive unit 42.
- the substrate 301 has rails 302 and guides 304.
- the guide 304 and the rail 305 move the presser bar 6 in the vertical direction and the first horizontal direction.
- a rail 305 is movably connected to the rail 302.
- the rail 305 moves in the first horizontal direction with respect to the rail 302.
- a base 61 is movably connected to the guide 304 via a guide pin 306.
- the guide 304 is formed as a hole in the substrate 301 and has a function of restricting the movement of the presser bar 6.
- the hole includes a portion formed in the illustrated oblique direction.
- the base 61 moves in the vertical direction with respect to the rail 306.
- the base 61 moves with respect to the guide 304 in an oblique direction including the first horizontal direction and the vertical direction.
- the base 51 and the rail 305 are connected via a connecting pin 309 and a spring 310.
- the connecting pin 309 is a component that connects the base 61 and the rail 305.
- a spring 310 is provided between the base 51 and the rail 305 and in the middle of the connecting pin 309. The spring 310 keeps the pitch of the connecting portion (a part of the connecting pin 309) between the rail 305 on the pressing rod 6 side and the base 51 on the arm 5 side constant. That is, in a normal state, the arm 5 and the presser bar 6 maintain a predetermined positional relationship at a predetermined pitch. When a force is applied to the spring 310 and contracts, the positional relationship between the arm 5 and the presser bar 6 changes.
- the position of the arm 5 is moved by the vertical driving by the vertical driving unit 41 and the first horizontal driving by the horizontal driving unit 42.
- the lower end portion of the arm 5 comes into contact with the protrusion 3B of the lid 3A of the reagent bottle 3 according to the movement in the first horizontal direction (FIG. 6 and the like described later).
- the arm 5a contacts the protrusion 3Ba
- the arm 5b contacts the protrusion 3Bb.
- the lid 3 ⁇ / b> A is opened with the movement of the arm 5.
- the pressing bar 6 has a role of pressing the upper surface of the lid 3A so that the lid 3A does not open too much when opening the lid 3A, and pressing the upper surface of the lid 3A when closing the lid 3A.
- the presser bar 6 has a role of adjusting an angle when the lid 3A is opened and closed.
- the presser bar 6 may or may not contact the upper surface of the lid 3A.
- the position of the presser bar 6 is moved by the vertical drive by the vertical drive unit 41 and the first horizontal drive by the horizontal drive unit 42.
- the presser bar 6 has a predetermined positional relationship with respect to the arm 5 connected through each component.
- the presser bar 6 is basically at a position near the upper left corner of the lower end of the arm 5 (FIG. 45, etc.).
- FIG. 45 is a plan view of a configuration example of the arrangement relationship of the arm 5 and the presser bar 6, the reagent bottle 3, the reagent disk 2, and the like of the lid opening / closing mechanism unit 4 according to the first embodiment viewed from the circumferential direction C. Shown schematically.
- a peripheral portion of the upper surface of the reagent disk 2 has a bottle fixing portion 2C into which the reagent bottle 3 can be loaded and installed.
- the main body 200 of the reagent bottle 3 is inserted into the bottle fixing portion 2C and fixed so as to hardly move. In this state, the upper surface 3P of the reagent bottle 3 is arranged at a position above the upper surface of the reagent disk 2.
- FIG. 45 shows a state in which the right lid 3A of the reagent bottle 3 is slightly opened by the arm 5.
- the bottle contact portion 5B (FIG. 5) of the arm 5 is in contact with or close to the upper surface 3P.
- the protrusion 3B is in contact with the protrusion contact portion 5A (FIG. 5) of the arm 5.
- a presser bar 6 is disposed at an upper left position obliquely with respect to the protrusion contact portion 5A.
- the positional relationship between the arm 5 and the presser bar 6 is suitably designed so as to fulfill the functions described later.
- the position and amount of movement of the arm 5 and the holding bar 6 can be adjusted by the setting of the analyzer 1. Thereby, for example, the degree of opening and closing of the lid 3A can be adjusted.
- the reagent bottle 3 may be configured as a container with one container unit 201.
- the one container may be installed in the bottle fixing portion 2C of the reagent disk 2.
- a container without the catch portion 205 can also be used.
- FIG. 5 shows the details of the arm 5 of the first design example of the arm portion 50 in the first embodiment mainly in a perspective view seen from the circumferential direction C.
- the arm 5 roughly includes a shaft portion 5F and a lower end portion 5D.
- the lower end portion 5D has a protrusion contact portion 5A, a bottle pressing portion 5B, and an insertion portion 5C.
- the arm 5 has a length z0 in the vertical direction.
- the arm 5 has a predetermined width y0 in the circumferential direction C.
- the width y0 corresponds to the width of the protrusion 3B and the partial width of the upper surface 3P.
- the arm 5 In the radial direction R, the arm 5 has a width x1 at the shaft portion 5F and a width x0 as a whole including the lower end portion 5D.
- the protrusion contact portion 5A is a portion including a first surface (also referred to as a contact surface) that contacts the protrusion 3B.
- the first surface is a plane.
- the first surface has an angle ⁇ formed with respect to the horizontal plane.
- the angle ⁇ is larger than 0 degree and smaller than 90 degrees with the horizontal plane being 0 degree.
- times is shown as a 1st design example regarding angle (theta).
- the protrusion contact portion 5A protrudes laterally from the shaft portion 5F with a width x2.
- the protrusion contact portion 5A has a length z2 in the vertical direction.
- the bottle holding part 5B is a part including a second surface that is in contact with or close to the upper surface 3P of the reagent bottle 3.
- the second surface is a plane, is 0 degree with respect to the horizontal plane, and has a width x3.
- the insertion portion 5C is a portion including a flat surface (third surface) between the protrusion contact portion 5A and the bottle contact portion 5B, and is a portion inserted below the protrusion 3B.
- the insertion portion 5C has a width x4 and a vertical length z3.
- the angle of the third surface with respect to the horizontal plane is greater than 90 degrees, but may be 90 degrees.
- the tip portion 5E which is a connection point between the protrusion contact portion 5A and the insertion portion 5C, is the leftmost portion in the first horizontal direction and is the portion that first contacts the protrusion 3B.
- FIG. 6 is a perspective view showing an example of a state in which the protrusion contact portion 5A of the lower end portion 5D of the arm 5 and the protrusion 3B of the lid 3A are in contact with each other when the lid 3A is opened and closed.
- the arm 5 By driving in the vertical direction by the vertical drive unit 41, the arm 5 is lowered, and the bottle holding unit 5B is in contact with or close to the upper surface 3P.
- the height position of the upper surface 3P is indicated by a position Z0.
- the lower end 5D moves to the left in the first horizontal direction (radial direction R) by the first horizontal drive by the horizontal drive unit 42, and the first surface of the protrusion contact portion 5A comes into contact with the protrusion 3B.
- the position of the tip 5E in the first horizontal direction is indicated by a position Xa.
- the protrusion 3B moves along a first surface of the protrusion contact portion 5A in a vertical arc along the first surface.
- the force that the arm 5 moves horizontally is converted into a force that pushes the protrusion 3B upward in the vertical direction. Accordingly, the protrusion 3B is pushed up in the vertical direction while contacting along the first surface.
- the lid 3A is opened.
- FIG. 7 shows a structure of the arm 5 of the second design example as a modification of the first embodiment.
- an example of a state in which the protrusion contact portion 5A of the lower end portion 5D of the arm 5 and the protrusion 3B of the lid 3A are in contact with each other when the lid 3A is opened and closed is shown by a plane viewed from the circumferential direction C.
- the angle ⁇ is smaller than the angle ⁇ of the first design example of FIG. 5 and is about 45 degrees.
- FIG. 8 shows a structure of the arm 5 of the third design example as a modification of the first embodiment. Similarly, FIG. 8 shows an example of a state in which the arm 5 and the protrusion 3B are in contact with each other.
- the angle ⁇ is larger than the angle ⁇ of the first design example of FIG. 5 and is about 75 degrees.
- FIG. 9 shows a structure of the arm 5 of the fourth design example as a modification of the first embodiment. Similarly, FIG. 9 shows an example of a state in which the arm 5 and the protrusion 3B are in contact with each other.
- the arm 5 of the fourth design example has a two-step plane portion so as to have a two-step angle on the contact surface of the protrusion contact portion 5A.
- As two planes in the projection contact portion 5A there are a first plane 5A1 and a second plane 5A2 in the direction from the left to the right in the drawing.
- the first plane 5A1 has an angle ⁇ 1.
- the second plane 5A2 has an angle ⁇ 2.
- the angle ⁇ 1 and the angle ⁇ 2 are larger than 0 degree and smaller than 90 degrees.
- the angle ⁇ 2 is larger than the angle ⁇ 1.
- the angle ⁇ 1 is about 45 degrees and the angle ⁇ 1 is about 75 degrees, for example.
- the load is most applied between immediately after the surface of the protrusion contact portion 5A comes into contact with the protrusion 3B and until the catch portion 205 of the reagent bottle 3 moves away from the opening portion 202. is there.
- This corresponds to an initial time (referred to as a first time) in the time from the closed state in which the lid 3A is closed in the horizontal direction to the open state in which the lid 3A is opened in the vertical direction. Therefore, a structure in which the angle ⁇ of the contact surface is changed between the initial time (first time) and the subsequent time (second time) as in this structure is effective. With this structure, it is possible to satisfy the effects of both aspects of reducing the load on the arm 5 by reducing the force required to push up the protrusion 3B and reducing the size of the arm 5 in a balanced manner.
- the angle ⁇ 1 is designed to be a relatively small angle in order to reduce the load applied to the arm 5.
- the angle ⁇ 2 is designed to be relatively large in order to reduce the size of the arm 5.
- FIG. 10 shows the structure of the arm 5 of the fifth design example applied in the first embodiment.
- FIG. 10 similarly shows an example in which the arm 5 and the protrusion 3B are in contact with each other.
- the arm 5 of the fifth design example is a case where the angle ⁇ of the contact surface of the protrusion contact portion 5A has a curved surface where the angle ⁇ gradually increases.
- the contact surface of the protrusion contact portion 5A has a curved shape.
- This curve has a vertical 90 as the angle ⁇ gradually increases from a predetermined angle (for example, about 45 degrees) in the direction from the left (corresponding to the tip 5E) to the right (corresponding to the shaft 5F). It is a curve that approaches the degree.
- FIG. 46 is a perspective view schematically showing an example of a state in which the set of arms 5 (5a, 5b) in Embodiment 1 is in contact with the set of protrusions 3B (3Ba, 3Bb) of the lid 3A. Show.
- the number and shape of the arms 5 in the circumferential direction C are designed corresponding to the number and shape of the protrusions 3B of the lid 3A.
- the width in the circumferential direction C of the lid 3A is the width h1.
- the interval between the two arms 5a and 5b is the interval y1. h1 ⁇ y1.
- the width of the protrusion 3B protruding from the lid 3A in the circumferential direction C is the width h2.
- the width y0 of the arm 5 is almost the same as the width h2 of the protrusion 3B, but is not limited thereto, and may be y0 ⁇ h2 or y0> h2.
- the tip 5E of the arm 5 is easily inserted below the protrusion 3B, and the protrusion 3B is the first surface of the protrusion contact portion 5A. Easy to move along.
- a portion extending in the circumferential direction C from the base portion or the shaft portion 5 ⁇ / b> F may be provided, and the protrusion contact portion 5 ⁇ / b> A or the bottle pressing portion 5 ⁇ / b> B may be provided in that portion.
- the interval between the two arms 5a and 5b can be made wider.
- the pressing rod 6 in the first embodiment extends from the base portion 62 so as to come out in the circumferential direction C on the near side, and has a circular cross section.
- the length in the circumferential direction C of the presser bar 6 is larger than the width in the circumferential direction C of the lid 3A.
- a part of the presser bar 6 comes into contact with the upper surface of the lid 3A (a part other than the protrusion 3B).
- the presser bar 6 is not limited to this structure, and the following structure is possible as a modification of the first embodiment.
- the presser bar 6 in the modified example may include a bar-like portion extending in the circumferential direction C from the base portion 62 and a protruding portion protruding downward from the rod-like portion in the vertical direction.
- This protrusion is a portion that contacts the upper surface of the lid 3A.
- Various shapes of the protrusions are possible.
- the width in the circumferential direction C of the protrusion corresponds to the width in the circumferential direction C of the lid 3A.
- the lower end of the protrusion has a semicircular cross section.
- the analyzer 1 closes the lid 3A in the open state of the container 201 of the target reagent bottle by the lid opening / closing mechanism 4 (“liding operation”).
- lid opening operation for opening the target lid 3A will be described.
- FIG. 11 shows the first first operation and the first state of the lid opening / closing mechanism unit 4.
- the lid 3A of the reagent bottle 3 is in a closed state.
- the reagent bottle 3 and the lid 3A are installed in the correct orientation at predetermined positions.
- the reagent bottle 3 is disposed directly below the lid opening / closing mechanism 4.
- the lid opening / closing mechanism unit 4 drives in the vertical direction and the first horizontal direction in advance so that the lid opening / closing unit 40 is positioned immediately above the container unit 201 of the target reagent bottle 3 and the lid 3A.
- the lid 3A of the container 201 on the right side of the reagent bottle 3 shown in the figure is targeted.
- the arm 5 and the presser bar 6 are disposed immediately above.
- the position of the tip 5E of the arm 5 in the first horizontal direction is indicated by a position X1.
- the position X1 is slightly to the right of the position of the protrusion 3B.
- one set of arms 5 (5a, 5b) is arranged at a position corresponding to the position of one set of protrusions 3B (3Ba, 3Bb).
- the presser bar 6 is in a certain positional relationship with respect to the arm 5.
- the presser bar 6 is disposed in the vicinity of the upper left of the protrusion contact portion 5A of the lower end portion 5D.
- a height position of the upper surface 3P of the reagent bottle 3 is indicated as a reference Z0.
- the height position of the lower surface (bottle pressing part 5B) of the lower end part 5D of the arm 5 is indicated by a position Z1.
- the height position of the protrusion 3B is indicated by a position Zb.
- the height positional relationship is Z0 ⁇ Zb ⁇ Z1.
- FIG. 12 shows the second operation and the second state.
- the position of the tip 5E of the arm 5 is also the position X1.
- the lid opening / closing mechanism unit 4 first moves the arm 5 of the arm unit 50 and the pressing bar 6 of the pressing unit 60 downward in the vertical direction by the vertical driving unit 41. Thereby, it will be in a 2nd state.
- the bottle pressing portion 5B which is the lower surface of the lower end portion 5D of the arm 5 contacts or approaches a part of the upper surface 3P of the reagent bottle 3, and almost reaches the position Z0. Further, when the arm 5 is lowered by this operation, the lower end 5D does not come into contact with the protrusion 3B or the like.
- FIG. 13 shows the third operation and the third state.
- the position of the tip 5E of the arm 5 in the first horizontal direction is indicated by a position X3.
- the position X3 is a position close to the position of the protrusion 3B.
- the lid opening / closing mechanism unit 4 moves the arm 5 and the pressing bar 6 to the left in the first horizontal direction (radial direction R) while the bottle pressing unit 5B and the upper surface 3P are in contact with or in proximity to each other by the horizontal driving unit 32.
- the protrusion contact part 5A of the lower end part 5D comes into contact with the protrusion 3B of the lid 3A of the container part 201 on the right side of the reagent bottle 3.
- the protrusion 3B moves in a circular orbit along the vertical direction while contacting along the first surface of the protrusion contact portion 5A. Accordingly, the lid 3A is gradually opened.
- FIG. 14 shows the fourth operation and the fourth state.
- the lid opening / closing mechanism 4 further moves the arm 5 and the pressing bar 6 to the left.
- the position of the tip 5E of the arm 5 in the first horizontal direction is indicated by a position X4.
- the position X4 is a position slightly to the left of the position of the protrusion 3B.
- the force required to open the lid 3A is the first time from immediately after the contact between the arm 5 and the protrusion 3B until the catch portion 205 of the reagent bottle 3 moves away from the opening 202. large.
- the lid opening / closing mechanism unit 4 drives the horizontal driving unit 42 at a low speed in the first time in order to prioritize the torque.
- the catch portion 205 of the reagent bottle 3 is separated from the opening portion 202.
- the lid opening / closing mechanism unit 4 may drive the horizontal driving unit 42 at a relatively high speed in the second time after the fourth state.
- FIG. 15 shows the fifth operation and the fifth state.
- the lid opening / closing mechanism 4 further moves the arm 5 and the pressing bar 6 to the left.
- the lid 3A is in an open state (the angle ⁇ is about 85 to 89 degrees), and the opening 202 is exposed.
- the position of the tip 5E of the arm 5 in the first horizontal direction is indicated by a position X5.
- the position X5 is a position to the left of the position of the protrusion 3B, and is absolutely a position close to the protrusion 3B of the lid 3A of the next middle container portion 201.
- the protrusion 3B reaches the side surface of the shaft portion 5F via the first surface of the arm 5.
- the presser bar 6 connected to the arm 5 does not open the lid 3A pushed up by the arm 5 too much.
- the guide 304 is moved upward in the vertical direction and left in the first horizontal direction. That is, the presser bar 6 moves obliquely to the upper left along the shape of the guide 304. Thereby, the pressing bar 6 is always arranged in the vicinity of the upper surface of the lid 3A. The movement of the lid 3A is restricted by the presser bar 6 so that it does not open too much.
- FIG. 16 shows the sixth operation and the sixth state.
- the case where the lid opening / closing mechanism 4 further moves the arm 5 and the pressing bar 6 to the left is shown.
- the position X6 of the distal end portion 5E of the arm 5 is a little further to the left than the position X5 in the fifth state.
- the lid 3A is almost open at 90 degrees.
- the lid 3A is opened as in the fifth state and the sixth state, the upper surface of the presser bar 6 and the lid 3A is used to prevent the lid 3A from opening too much (the angle ⁇ is greater than 90 degrees). It is necessary not to leave the distance. Therefore, the operation of the presser bar 6 is regulated by the guide 304 so that the presser bar 6 does not move in the first horizontal direction beyond a certain amount. At this time, as shown in FIG. 16, the spring 310 of the connecting pin 309 between the presser bar 6 and the arm 5 contracts so that the operation of the arm 5 connected to the presser bar 6 is not restricted. Thereby, the movement of the arm 5 is not inhibited. As described above, the lid 3 ⁇ / b> A can be opened without being opened too much.
- Reagent dispensing is performed in the open state of the lid 3A as in the fifth state or the sixth state. Either the fifth state or the sixth state may be adopted.
- the reagent in the container 201 is agitated or aspirated using a dispensing nozzle, a stirring rod, or the like.
- the analyzer 1 lowers the dispensing nozzle from above the target opening 202, immerses the lower end of the dispensing nozzle in the reagent below the opening 202, sucks the reagent, and then raises the reagent.
- FIG. 17 shows the seventh operation and the seventh state.
- the horizontal driving unit 41 moves the arm 5 and the pressing bar 6 from the open state such as the fifth state or the sixth state when the lid is opened in the first horizontal direction. It is moved in the opposite direction (the direction from left to right) from the direction (the direction from right to left). Thereby, for example, the seventh state is established.
- the lid 3A is closed to some extent.
- the position of the tip 5E of the arm 5 is indicated by a position X7.
- the position X7 is a position near the protrusion 3B.
- the holding bar 6 is moved downward in the vertical direction and to the right in the first horizontal direction by the guide 304, and comes into contact with the upper surface of the lid 3A.
- a force is exerted from the presser bar 6 to the upper surface of the lid 3A.
- the lid 3A is gradually closed by turning around the hinge 204 as a fulcrum.
- the catch part 205 on the lower side of the lid 3A comes into contact with the opening part 202 and receives it.
- the presser bar 6 moves to the right after descending to a certain amount along the guide 304.
- the lid 3A is in a closed state similar to the first state described above by a predetermined amount of horizontal movement.
- the lid opening / closing mechanism unit 4 moves the arm 5 and the pressing bar 6 to a predetermined position (position X1) that does not interfere with the protrusion 3B by the horizontal driving unit 42. Thereafter, the lid opening / closing mechanism unit 4 raises the arm 5 and the presser bar 6 upward in the vertical direction by the vertical driving unit 41 and returns it to a predetermined position. During the ascent, the arm 5 and the pressing bar 6 do not contact the lid 3A or the protrusion 3B.
- the above is a series of flows for opening and closing the lid. When the other lid 3A of the reagent bottle 3 is opened and closed, the above operation may be performed in the same manner by changing the position in the first horizontal direction.
- opening and closing of the lid 3A of the reagent bottle 3 before and after dispensing can be realized with a simpler structure and a smaller number of drives than before.
- the analyzer 1 according to Embodiment 1 can similarly open and close the plurality of lids 3A of the reagent bottle 3 one by one for the selected lid 3A using horizontal driving.
- the lid opening and closing according to the first embodiment can be realized with a simpler structure than the structure for opening and closing the lid by rotating the hook as in the prior art example, and a driving unit for driving each of the plurality of hooks is also unnecessary. . That is, a high-performance analyzer can be realized at a relatively low cost.
- the arm 5 is provided with the bottle presser 5B so that the reagent bottle 3 can be prevented from floating when the lid is opened. Not only this but the system which suppresses the floating of the reagent bottle 3 using another structure is possible.
- FIG. 18 shows a structure in which a bottle lifting suppression mechanism is added to the lid opening / closing mechanism unit 4 as an analysis apparatus 1 of a modification of the first embodiment.
- the lid opening / closing mechanism unit 4 includes a floating suppression unit 43 in addition to the above-described components.
- the floating suppression unit 43 includes a first suppression unit 43 a disposed on the right side in the radial direction R with respect to the reagent bottle 3 and a second suppression unit 43 b disposed on the left side in the radial direction R.
- the floating suppression portion 43 has the same structure at the left and right portions.
- the structure of the lower end 5D of the arm 5 is different from the structure described above.
- the lower end portion 5D has the same protruding contact portion 5A as described above, but does not have the bottle pressing portion 5B and the insertion portion 5C, and has a flat bottom surface. It has a structure in which the lower part is eliminated from the position of the tip part 5E of the protrusion contact part 5A.
- the lower surface of the lower end portion 5D does not contact the upper surface 3P of the reagent bottle 3.
- the point that the lid 3A is opened when the projection contact portion 5A of the arm 5 comes into contact with the projection 3B is the same as in the first embodiment.
- the floating suppression unit 43 includes a bottle pressing unit 431, a rail 432, and a driving unit 433.
- the drive unit 433 drives each component.
- the bottle presser 431 is a part that presses a part of the upper surface 3P of the reagent bottle 3 in place of the bottle presser 5B described above.
- the bottle pressing portion 431 has a concave shape in which a part of a flat plate is cut out so that, for example, three side portions around the lid 3A on the upper surface 3P can be pressed.
- the rail 432 enables the bottle holding part 431 to move in the first horizontal direction.
- FIG. 18 shows a state where the bottle pressing portion 431 is not pressing the upper surface 3P as the first state.
- FIG. 19 shows a second state related to the bottle floating suppression mechanism.
- the lifting suppression unit 43 drives each unit in the first horizontal direction by the driving unit 433 so that the bottle pressing unit 431 covers a part of the upper surface 3P of the reagent bottle 3.
- the control may be in a state where the bottle pressing portion 431 is in contact with the upper surface 3P as in the first embodiment, or may be in a state in which the bottle pressing portion 431 is close to the upper surface 3P without contact.
- FIG. 20 shows a third state relating to the bottle lifting control mechanism.
- the position of the lower end portion 5D of the arm 5 in the first horizontal direction is the left position.
- the lid opening / closing mechanism unit 5 moves the arm 5 and the like to the left in the first horizontal direction by the horizontal driving unit 42 as described above.
- the tip of the lower end 5D is inserted at a height position between the protrusion 3B and the bottle holding part 431.
- the first surface (curved surface in this example) of the protrusion contact portion 5A comes into contact with the protrusion 3B, and the protrusion 3B is pushed up and moved along the first surface. Thereby, the lid 3A is gradually opened.
- the upward force in the vertical direction is applied to the main body 200 of the reagent bottle 3 through the lid 3A.
- the upper surface 3P of the reagent bottle 3 is pressed in contact with the lower surface of the bottle pressing portion 431. Therefore, the main body 200 of the reagent bottle 3 does not float up in the vertical direction as the protrusion 3B moves in the vertical direction.
- the closing operation is the same as described above. After the lid 3A is in the closed state, the lid opening / closing mechanism unit 4 returns the bottle pressing portion 431 to the first state that does not cover the upper surface 3P.
- the automatic analyzer according to the second embodiment of the present invention will be described with reference to FIGS.
- the basic configuration of the second embodiment is the same as that of the first embodiment.
- components different from those in the first embodiment in the second embodiment and the like will be described.
- the analyzer 1 of the second embodiment includes a lid opening / closing mechanism unit 4 that can simultaneously open and close the plurality of lids 3A of the reagent bottle 3.
- the number of simultaneous operations is not limited to three.
- a configuration in which two lids 3A are opened and closed simultaneously, and a configuration in which four or more lids 3A are simultaneously opened and closed are possible.
- FIG. 21 shows the structure of the lid opening / closing mechanism 4 in the second embodiment.
- the structure of the target reagent bottle 3 is the same as that of the first embodiment (FIG. 2), and the three lids 3A are objects to be simultaneously opened and closed.
- the lid opening / closing part 40 includes an arm part 50 and a pressing part 60 having a structure different from that of the first embodiment.
- the arm unit 50 includes three pairs of the arms 5 (5a, 5b) of the first embodiment at predetermined intervals in the first horizontal direction. That is, the arm unit 50 includes a total of six arms 5. Each set of arms 5 has a similar shape.
- the arm 5 shows the case of the structure of the fifth design example described above, and the protrusion contact portion 5A has a curved surface.
- the pressing part 60 includes three pressing bars 6 according to the first embodiment at predetermined intervals in the first horizontal direction.
- Each presser bar 6 has the same shape and has a positional relationship with the corresponding arm 5.
- three pressing bars 6 are fixed so as to protrude in the circumferential direction C from three positions at predetermined intervals.
- Three sets of arms 5 and three pressing bars 6 are provided corresponding to the three lids 3 ⁇ / b> A of the reagent bottle 3.
- the base 52 has a substrate shape corresponding to a horizontal plane. Six arms 5 are fixed to six locations on the lower surface of the base 52.
- the base 52 is provided with two openings 53 at positions between the arms 5.
- the opening 53 is a passage hole provided to prevent interference such as contact between the lid opening / closing part 40 and the dispensing nozzle or the like during reagent dispensing.
- a dispensing nozzle or the like can access the opening 202 of the reagent bottle 3 so as to pass through the opening 52A.
- FIG. 21 shows the first first operation and the first state.
- three sets of arms 5 and three pressing rods 6 are arranged at corresponding positions directly above the three closed lids 3A of the reagent bottle 3.
- the unit of the pair of arms 5 and one holding bar 6 is the same as that of the first embodiment.
- a position X1 of the tip 5E of the right pair of arms 5 is shown.
- FIG. 22 shows the second operation and the second state. From the first state, the lid opening / closing mechanism unit 4 moves the arm 5 and the pressing bar 6 downward in the vertical direction by the vertical driving unit 41 to be in the second state. In the second state, the height position of the bottle pressing portion 5B, which is the lower surface of the arm 5, is almost the same as the position Z0 of the upper surface 3P of the reagent bottle 3. At this time, the right set of arms 5 out of the three sets of arms 5 may not be in contact with the upper surface 3P.
- the position and interval (pitch) of the three arms 5 in the first horizontal direction are designed so as not to come into contact with the lid 3A and the protrusion 3B when moving up and down.
- the width in the first horizontal direction (width x0 in FIG. 5) of the lower end portion 5D of the arm 5 is smaller than the width of the interval between the protrusions 3B.
- FIG. 23 shows the third operation and the third state.
- the lid opening / closing mechanism unit 4 moves the arm 5 and the pressing bar 6 to the left in the first horizontal direction by the horizontal driving unit 42 from the second state. Thereby, it will be in a 3rd state.
- the position X3 of the tip 5E of the arm 5 is a position in the vicinity of the protrusion 3B.
- the protrusion contact portions 5A of the three sets of arms 5 are in contact with the corresponding protrusions 3B at the same time.
- each protrusion 3B moves similarly along each 1st surface, and each lid
- low-speed driving is performed as horizontal driving.
- FIG. 24 shows the fourth operation and the fourth state.
- the lid opening / closing mechanism 4 further moves the arm 5 and the pressing bar 6 leftward from the third state by horizontal driving.
- the fourth state is reached.
- the position X4 of the tip 5E of the arm 5 is a position slightly to the left of the protrusion 3B.
- each protrusion 3B similarly moves along each first surface.
- FIG. 25 shows the fifth operation and the fifth state.
- the lid opening / closing mechanism 4 further moves the arm 5 and the pressing bar 6 leftward from the fourth state by horizontal driving.
- the fifth state is reached.
- the lid 3A is in an open state (about 85 to 89 degrees), and the opening 202 is exposed.
- each protrusion 3B passes through each first surface and reaches the side surface of the shaft portion 5F.
- FIG. 26 shows the sixth operation and the sixth state.
- the sixth state shows a case where the lid 3A is further opened from the fifth state (almost 90 degrees).
- each pressing bar 6 connected to each arm 5 moves along the guide 304 so that each lid 3A does not open too much. It is always arranged near the upper surface of each lid 3A. Further, the operation of each arm 5 is prevented from being hindered by the contraction of the spring 310 of the connecting pin 309.
- the reagent nozzle below the opening 202 is moved without moving the tip of the dispensing nozzle or the like downward in the vertical direction, passing through the opening 53, and contacting the lid 3A, the arm 5, the presser bar 6 or the like. Is accessible.
- FIG. 27 shows the seventh operation and the seventh state.
- the seventh state indicates a state during the dispensing operation.
- the reagent of the three container parts 201 of the reagent bottle 3 is aspirated using the three dispensing nozzles 71 is shown.
- the analyzer 1 controls the dispensing operation using the dispensing nozzle 71 as described above.
- the reagent bottle 3 is in an open state in which the lid angle ⁇ of the lid 3A is 90 degrees as in the sixth state, and dispensing (reagent aspiration) is performed in the sixth state. Not only this but dispensing is possible similarly in the open state like the 5th state.
- the lower end 71 ⁇ / b> A of the dispensing nozzle 71 is lowered from above in the vertical direction so as to pass through the opening 53 of the arm unit 50 in the opened state of the reagent bottle 3.
- 202 enters the container part 201 and is immersed in the reagent.
- the reagent in the container 201 is aspirated from the lower end 71A.
- the left dispensing nozzle 71 first accesses the left container portion 201
- the middle dispensing nozzle 71 accesses the middle container portion 201
- the right container portion 201 Although the case where the right-hand dispensing nozzle 71 accesses in 201 is shown, it is not limited to this.
- the right dispensing nozzle 71 can be accessed without having to pass through the opening 53.
- FIG. 28 shows the dispensing operation and state in the configuration of the comparative example with respect to the second embodiment.
- the pressing bar 6 of the pressing portion 60 is not provided.
- the lid 3A may be opened too much as shown in FIG.
- the lid angle ⁇ of the lid 3A is greater than 90 degrees (about 120 degrees). In this case, when the dispensing nozzle 71 descends, the portion other than the right lid 3A comes into contact with the lid 3A that has been opened too much, the opening 202 cannot be accessed, and reagent dispensing cannot be performed.
- the closing operation for closing the lid 3A of the reagent bottle 3 in the second embodiment is as follows. An example of the state at this time is the same as in FIG.
- the lid opening / closing mechanism unit 4 moves the pressing rod 6 and the arm 5 in the direction opposite to the first horizontal direction when the lid is opened by the horizontal driving unit 42. At this time, each pressing rod 6 is moved in the vertical direction or the first horizontal direction by the guide 304, contacts the upper surface of each lid 3A, and presses each lid 3A. With the movement, the catch portion 205 of each lid 3A receives the opening 202, and the three lids 3A are simultaneously closed.
- the lid opening / closing mechanism 4 moves the arm 5 and the holding bar 6 upward in the vertical direction after moving the arm 5 to a predetermined position where it does not interfere with the protrusion 3B.
- FIGS. 3 The automatic analyzer according to the third embodiment of the present invention will be described with reference to FIGS.
- the mechanism for simultaneously opening and closing the plurality of lids 3A of the reagent bottle 3 is shown.
- the loads on the arm 5 and the horizontal drive unit 42 become relatively large. Therefore, the arm 5 and the horizontal driving unit 42 need to have a function that can withstand the load.
- the load can be reduced to some extent by the structure of the contact portion (projection contact portion 5A) between the arm 5 and the projection 3B.
- the structure shown in the third embodiment is effective when the contact portion structure cannot withstand the load.
- the analyzer 1 according to Embodiment 3 has a structure in which the length of each arm 5 in a plurality of groups is changed. With this structure, the arm 5 and the protrusion 3B are brought into contact with each other at different timings, not at a plurality (three places) simultaneously. Thereby, while reducing the load on the arm 5 and the horizontal drive unit 42 (load applied at the same point), the horizontal drive unit 42 performs a single operation (movement in the first horizontal direction), thereby reducing the plurality of reagent bottles 3.
- the lid 3A can be opened and closed sequentially at different timings. In the lid opening / closing mechanism 4 in the third embodiment, the lengths in the first horizontal direction of the lower ends 5D of the three arms 5 of the three sets of the arm 50 are different.
- FIG. 29 shows the structure of the lid opening / closing mechanism 4 according to Embodiment 3, and shows the first operation and the first state.
- the lid opening / closing mechanism 4 includes arms 5I, 5J, and 5K as three sets of arms 5 fixed to the base 52 in the arm 50 of the lid opening / closing part 40.
- the three sets of arms 5 are the first (first set) arm 5I on the right side and the second (second set) arm in the middle in the order from right to left in the figure.
- 5J has a third (third set) arm 5K on the left side.
- Each set of arms 5 is the same in that it has two arms 5a and 5b having the same shape in the circumferential direction C.
- each set differ in the first horizontal width (width x0 in FIG. 5) of the protrusion contact portion 5A and the bottle pressing portion 5B at the lower end portion 5D. Moreover, each protrusion contact part 5A differs in angle (theta) and a shape.
- the protrusions 3B are a first protrusion 3B1 on the right side, a second protrusion 3B2 in the middle, and a third protrusion 3B3 on the left side.
- the length in the first horizontal direction of the arms 5I, 5J, and 5K is changed according to the order in which the arm 5 and the protrusion 3B are brought into contact with each other during the process.
- the arm 5 and the protrusion 3B are brought into contact so that the lid 3A is opened in the order of the lids 3A1, 3A2, and 3A3 corresponding to the order of # 1, # 2, and # 3 of the three container portions 201.
- the arm unit 50 is lowered from a predetermined position by vertical driving, and then moved from right to left in the first horizontal direction by horizontal driving.
- the right arm 5I projection contact portion 5A of the lower end 5D
- the projection 3B1 of the right lid 3A1 are brought into contact with each other at a first time point.
- the middle arm 5J is brought into contact with the protrusion 3B2 of the middle lid 3A2.
- the left arm 5K is brought into contact with the protrusion 3B3 of the left lid 3A3.
- the length in the first horizontal direction is designed to change from large to small in the order of the arms 5I, 5J, and 5K, which are the order of contact.
- the arm 5I has a first length L1
- the arm 5J has a second length L2
- the arm 5K has a third length L3.
- the length of the arm 5I that makes contact first is longer than the other two arms 5J and 5K, and the length of the arm K that makes contact last is the shortest.
- the contact surface of the protrusion contact portion 5A of the arm 5I has a two-stage curved surface (first curved surface, second curved surface) with a two-stage angle ⁇ .
- This structure is a structure in which the plane is further curved in the same way as the fourth design example of FIG. 9 described above.
- the first curved surface may be a first plane, or the second curved surface may be a second plane.
- the contact surface of the protrusion contact portion 5A of the arm 5K has a shape having one curved surface, as in the fifth design example of FIG.
- FIG. 29 shows an initial first state, and the position of the tip 5E of the right arm 5I is indicated by a position X1.
- FIG. 30 shows the second operation and the second state. From the first state, the lid opening / closing mechanism unit 4 first moves the arm 5 and the pressing bar 6 downward in the vertical direction by the vertical driving unit 41. Thereby, it will be in a 2nd state.
- the bottle pressing portion 5B which is the lower surface of the arms 5I, 5J, 5K, has almost reached the position Z0 and is in contact with or close to the upper surface 3P.
- the positions and intervals (pitch) of the arms 5I, 5J, and 5K are designed so as not to contact the protrusions 3B1, 3B2, and 3B3 of the reagent bottle 3.
- FIG. 31 shows the third operation and the third state.
- the lid opening / closing mechanism 4 moves the arm 5 and the presser bar 6 to the left in the first horizontal direction by the horizontal driving unit 42 from the second state. Thereby, it will be in a 3rd state.
- the position of the tip 5E of the right arm 5I is indicated by a position X3.
- the protrusion contact portion 5A of the arm 5I comes into contact with the protrusion 3B1 of the lid 3A1.
- the protrusion 3B1 is pushed upward in the vertical direction, and the lid 3A1 gradually opens.
- FIG. 32 shows the fourth operation and the fourth state.
- the lid opening / closing mechanism 4 further moves the arm 5 and the holding bar 6 to the left from the third state. Thereby, it will be in the 4th state.
- the position of the tip 5E of the right arm 5I is indicated by a position X4.
- the middle arm 5J comes into contact with the protrusion 3B2 of the lid 3A2 at a second time point.
- the protrusion 3B2 is pushed up in the vertical direction, and the lid 3A2 gradually opens.
- FIG. 33 shows the fifth operation and the fifth state.
- the lid opening / closing mechanism 4 further moves the arm 5 and the holding bar 6 to the left from the fourth state.
- the fifth state is established.
- the position of the tip 5E of the right arm 5I is indicated by a position X5.
- the arm 5K on the left side comes into contact with the protrusion 3B3 of the lid 3A3 at a third time point. Accordingly, the protrusion 3B3 is pushed upward in the vertical direction, and the lid 3A3 is gradually opened.
- each presser bar 6 connected to each arm 5 moves along the guide 304 so that each lid 3A1, 3A2, 3A3 pushed up by each arm 5 does not open too much, It is always arranged near the upper surface of each lid 3A.
- FIG. 34 shows the sixth operation and the sixth state.
- the lid opening / closing mechanism 4 further moves the arm 5 and the holding bar 6 to the left from the fifth state.
- the sixth state is established.
- the position of the tip 5E of the right arm 5I is indicated by a position X6.
- the lids 3A1, 3A2, and 3A3 are all open, and the lid angle ⁇ is almost 90 degrees.
- Subsequent operations are the same as those in the second embodiment. After dispensing, horizontal movement is performed, and the three lids 3A are sequentially closed while being pressed by the pressing bar 6.
- the hinge portion 204 of the side portion 211 at one end of the lid 3A is on the right side, and the protrusion 3B of the side portion 212 at the other end is on the left side in the first horizontal direction.
- the arms 5 and the like of the lid opening / closing mechanism 4 are arranged in correspondence with the correct orientation of the lid 3A of the reagent bottle 3.
- the lid opening / closing mechanism unit 4 has a function of determining and detecting whether or not the reagent bottle 3 is installed in the correct orientation. Further, the fourth embodiment has a function of determining and detecting the case where the reagent bottle 3 is not charged or installed in the first place.
- FIG. 35 shows the structure of the lid opening / closing mechanism 4 in the fourth embodiment.
- a case in which the arm 5 of the arm unit 50 includes a pair of two arms 5a and 5b as in the first embodiment is not limited to this.
- the lid opening / closing mechanism 4 has a function of detecting the presence / absence and direction of the reagent bottle 3 and causing the user to make it.
- the lid opening / closing mechanism unit 4 is different from the first embodiment in the structure of the arm unit 50.
- the arm part 50 includes a connecting part 54, a spring 55, and a sensor 56.
- the connection part 54 is provided in the middle of the base 51, for example, near the lower end.
- the connecting portion 54 connects the base 51, the base 52, and the arm 5 movably in the vertical direction.
- the connecting portion 54 is provided with a spring 55.
- the spring 55 keeps the distance between the arm 5 and the horizontal drive unit 42 constant. When a vertical upward force is applied to the arm 5, the spring 55 contracts and the distance changes.
- the sensor 56 detects the movement of the connecting portion 54 in the vertical direction, for example, by detecting the contraction state of the spring 55.
- FIG. 1 The control computer 123 of the analyzer 1 has a function of registering and managing information such as the reagent bottle 3 and its position in the system (system configured by the analyzer 1) and controlling the availability of the reagent bottle 3 and the position. .
- the analyzer 1 controls the registration operation of the reagent bottle 3.
- FIG. 36 shows a flow of the registration process of the reagent bottle 3 using the lid opening / closing mechanism unit 4.
- FIG. 36 includes steps S41 to S48. Hereinafter, it demonstrates in order of a step.
- FIG. 37 shows the second operation and the second state as details of the reagent bottle registration operation by the lid opening / closing mechanism unit 4.
- the lid opening / closing mechanism unit 4 horizontally moves the arm 5 and the pressing bar 6 from the first state (standby position) in FIG. Set to the second state.
- the position of the tip 5E of the arm 5 is from the position X1 to the position X2.
- the position X2 corresponds to the position where the hinge portion 204 at one end of the lid 3A is located in the correct orientation.
- FIG. 38 shows the third operation and the third state.
- the lid opening / closing mechanism 4 lowers the arm 5 and the presser bar 6 downward in the vertical direction by a certain amount (amount until the position Z0 of the upper surface 3P is reached) by the vertical drive unit 41.
- the third state of FIG. 38 is obtained.
- the third state is when the loading direction of the reagent bottle 3 is correct, and the lid 3A is in a closed state.
- the height position of the bottle pressing portion 5B which is the lower surface of the arm 5 in the third state is from the position Z1 to the position Z3.
- the position Z3 is near the height position of the protrusion 3B.
- the arm 5 When the orientation is correct, the arm 5 is lowered by a certain amount without contacting the lid 3A or the protrusion 3B of the reagent bottle 3. That is, the lower surface of the arm 5 passes between the protrusions 3B through the third state of FIG. 38 and reaches the position Z0 of the upper surface 3P of the reagent bottle 3.
- FIG. 39 shows the fourth operation and the fourth state.
- the fourth state shows a case where the loading direction of the reagent bottle 3 is reverse.
- the lid opening / closing mechanism 4 lowers the arm 4 from the position X2 in the second state.
- the arm 5 comes into contact with the upper side of the protrusion 3B of the lid 3A of the reagent bottle 3 while being lowered by a certain amount.
- the height position of the lower surface of the arm 5 at this time is a position Z4.
- the position Z4 is above the position Z0 and the position Z3.
- the lid opening / closing mechanism 4 can determine whether the loading direction of the reagent bottle 3 is the correct direction (reverse direction) based on whether or not the sensor 56 detects an operation during a certain amount of lowering of the arm 5. it can.
- the lid opening / closing mechanism unit 4 temporarily stops the operation of the mechanism and generates an alarm.
- the alarm alerts the user that the reagent bottle 3 is in the reverse direction and the reagent bottle 3 needs to be reloaded.
- an output device of the control computer 123 may be used.
- the lid opening / closing mechanism 4 once raises the arm 5 and the like upward so that the user can re-insert the reagent bottle 3.
- control computer 123 masks the input location (the position on the reagent disk 2) of the reagent bottle 3 for registration and information management of the system so that it cannot be used. Control is performed so that the lid opening / closing mechanism 4 is not accessed. Thereby, an erroneous dispensing operation or the like is prevented.
- the mask is released in the flow of S43 and S46 and can be used.
- FIG. 40 shows the fifth operation and the fifth state during the reagent bottle presence / absence determination process by the lid opening / closing mechanism unit 4.
- the fifth state is a case where the reagent bottle 3 is in the correct orientation at a predetermined position.
- the arm 5 has already been lowered to a predetermined amount (third state in FIG. 38, position Z3).
- the lid opening / closing mechanism 4 lowers the arm 5 and the holding bar 6 by a predetermined amount from the third state in the reagent bottle presence / absence determination process of S44.
- This predetermined amount is an amount corresponding to a position Z5 below the position Z0.
- FIG. 40 when the reagent bottle 3 is present in the correct orientation, the lower surface of the arm 5 reaches the position Z0 of the upper surface 3P of the reagent bottle 3.
- the bottle pressing portion 5B on the lower surface of the arm 5 comes into contact with the upper surface 3P.
- the spring 55 of the connecting portion 54 is contracted, the connecting portion 54 moves in the vertical direction, and its operation is detected by the sensor 56. By this detection, it can be determined that the reagent bottle 3 is present.
- FIG. 41 shows the sixth operation and the sixth state during the reagent bottle presence / absence determination process.
- the sixth state is a case where there is no reagent bottle 3 at a predetermined position.
- the arm 5 reaches the position Z0 and the position Z5 without contacting anything while the arm 5 is being lowered by a certain amount (an amount corresponding to the position Z5). Since there is no contact during the descent, the sensor 56 does not detect the operation of the connecting portion 54. Thereby, it can be determined that there is no reagent bottle 3.
- the control computer 123 registers the reagent bottle 3 present in the correct orientation in the system as being normally inserted and installed, and allows the lid opening / closing mechanism 4 or the like to be used in the subsequent analysis operation.
- the lid opening / closing mechanism unit 4 determines whether or not the reagent bottle 3 is inserted and determines the orientation, thereby determining whether or not the reagent bottle 3 is installed in the correct orientation.
- the lid opening / closing mechanism unit 4 is roughly divided into two operations (the first operation for determination and the above-described operation). Second operation for dispensing as in the first embodiment). Therefore, it takes a relatively long time to register a plurality of reagent bottles 3.
- the analyzer 1 of the fifth embodiment has an information reading determination mechanism unit for reading and determining information on the reagent bottle 3 in the lid opening / closing mechanism unit 4.
- an information tag such as an RFID tag is attached to a specific part of the reagent bottle 3.
- the analyzer 1 also uses an information reading device represented by an RFID reader or the like. Thereby, the analyzer 1 determines whether or not the reagent bottle 3 has been inserted in the correct direction while reducing the number of operations of the lid opening / closing mechanism 4.
- FIG. 42 shows the structure of the lid opening / closing mechanism 4 in the fifth embodiment.
- the configuration of the fifth embodiment is the same as the configuration of the fourth embodiment in that a mechanism for determining the orientation and presence / absence of the reagent bottle 3 (connecting portion 54 and the like) is provided.
- the lid opening / closing mechanism unit 4 includes an information reading determination mechanism unit 80 as a different point.
- the information reading determination mechanism unit 80 includes an RFID reader 81 and an RFID tag 82.
- a case where the arm 5 of the arm unit 50 is one set is shown.
- an RFID tag 82 is attached to a specific part, for example, a part of one side surface in the radial direction R. Further, an RFID reader 81 is provided in the reagent bottle setting section in the lid opening / closing mechanism section 4.
- the reagent bottle installation part (container installation part) is, for example, a part of the reagent disk 2 (bottle fixing part 2C in FIG. 45).
- the RFID reader 81 reads ID information of the RFID tag 82 of the reagent bottle 3 installed at a predetermined position.
- the RFID reader 81 is an information reading device and reads ID information described in the RFID tag 82 by a known short-range wireless detection method.
- the RFID tag 82 and the RFID reader 81 are applied.
- the present invention is not limited to this, and a barcode, a barcode reader, and the like are also applicable.
- the RFID reader 81 is arranged so that the RFID tag 82 and the RFID reader 81 face each other at a predetermined distance when the reagent bottle 3 is inserted and installed in a predetermined position of the reagent disk 2 in a correct direction.
- the ID information can be read normally at the predetermined distance.
- the information reading determination mechanism unit 80 may further perform information processing such as determination using ID information read by the RFID reader 81.
- the control computer 123 or the like may perform the information processing.
- FIG. 43 shows the flow of the registration process of the reagent bottle 3 in the fifth embodiment.
- steps S51 and S52 are added after step S41 to the flow of FIG. 36 of the fourth embodiment.
- a reagent bottle information reading process is performed by the information reading determination mechanism unit 80. Details of the reagent bottle information reading process will be described below.
- the RFID reader 81 reads ID information of the RFID tag 82 of the reagent bottle 3.
- the ID information of the RFID tag 82 is successfully read.
- FIG. 43 when the reagent bottle 3 is not correctly installed, reading fails. Whether or not the reagent bottle 3 has been correctly inserted can be determined based on whether or not the information can be read.
- Step S52 branches depending on whether or not the ID information of the RFID tag 81 of the reagent bottle 3 can be read (success or failure) as a result of S51. If it can be read (S52-Y), the process proceeds to S46, and if it cannot be read (S52-N), the process proceeds to S42.
- the case where it can be read corresponds to the fact that the reagent bottle 3 is in the correct orientation at a predetermined position. Therefore, the determination process of S42 and S44 described above can be omitted.
- the analyzer 1 determines that the reagent bottle 3 has been normally inserted, registers it in the system, and makes it usable for the analysis operation.
- the possibility of reading is considered to be the following three cases.
- (1) The reagent bottle 3 is not installed at a predetermined position.
- FIG. 44 shows a case where the reagent bottle 3 is not loaded in the correct direction, that is, installed in the reverse direction.
- the RFID reader 81 since the distance between the RFID reader 81 and the RFID tag 82 is outside the predetermined distance range, the RFID reader 81 cannot read the ID information of the RFID tag 81 in S51, and the result is a failure. Become.
- the present invention has been specifically described above based on the embodiments. However, the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the invention.
- the present invention is not limited to a process including opening / closing of a reagent bottle with a lid and reagent dispensing associated therewith, but can be applied to processes such as opening / closing of various lidded containers.
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Abstract
Description
図1~図20を用いて、本発明の実施の形態1の自動分析装置について説明する。実施の形態1の自動分析装置は、試薬ボトルの蓋を開閉する蓋開閉機構部を備える。
図1は、実施の形態1の自動分析装置である分析装置1の全体の構成を示す。図1では、水平面であるXY平面に設置された自動分析装置を上(Z方向)から見た平面の構成を示す。なお、説明上の方向及び座標系として(X,Y,Z)を示す。X方向及びY方向は、水平面を構成する直交する方向である。X方向は、装置の横幅の方向に対応する。Y方向は、装置の縦幅の方向に対応する。Z方向は、X方向及びY方向に垂直な鉛直方向であり、装置の高さ方向に対応する。また、水平面において、第1水平方向として、試薬ディスク2の半径方向Rと、第2水平方向として、試薬ディスク2の円周方向Cとを示す。
図2は、実施の形態1における試薬ボトル3の蓋開閉に係わる構造の概要を斜視で示す。この試薬ボトル3は、ヒンジ部204を支点(回転軸)として蓋3Aを回動させることで蓋3Aが開閉される構造を有する。本構造では、試薬ボトル3は、1つの直方体形状の本体200において、3個の容器部201が1セットとして実装されている。本体200は、試薬ディスク2に対して設置される(後述の図45)。本体200の内部は、3個の容器部201に対応した3個の空間に分離されている。分離の位置を破線で示す。1個の容器部201の空間は、例えば直方体形状であるが、円筒形状等としてもよい。容器部201内には試薬が入れられている。試薬ボトル3の3個の容器部201には、それぞれ異なる試薬が入っていてもよい。試薬ディスク2上における試薬ボトル3は、半径方向Rに、3個の容器部201が所定の間隔で並んで配置されている。円周方向Cでは、1個の容器部201が配置されている。
図3は、試薬ボトル3の蓋3Aの詳細として、蓋3Aの開閉の角度等について示す。図3では、蓋3Aの付近を側面(円周方向C)から見た平面で示す。蓋3Aの開閉の角度を、蓋角度αとする。蓋角度αは、水平面を基準として0度とする。図3の(A)は、図2の#1の容器部201に対応する、蓋3Aの閉状態を示し、蓋角度αが0度の状態である。この閉状態では、辺部212が凸部に接触しており、キャッチ部205が開口部202に嵌合している。
図4以降を用いて、蓋開閉機構部4の詳細を説明する。図4は、蓋開閉機構部4の構造を斜視で示す。図4では、主に円周方向Cから見た構成を示す。蓋開閉機構部4は、蓋開閉部40、鉛直駆動部41、水平駆動部42を有する。蓋開閉部40は、大別して、アーム部50、押さえ部60を有する。
図45は、補足として、実施の形態1における蓋開閉機構部4のアーム5及び押さえ棒6、試薬ボトル3、試薬ディスク2等の配置関係の構成例を、円周方向Cから見た平面で概略的に示す。試薬ディスク2の上面の円周部には、試薬ボトル3を投入、設置することができるボトル固定部2Cを有する。ボトル固定部2Cに、試薬ボトル3の本体200が挿入されて、殆ど動かないように固定されている。この状態で、試薬ディスク2の上面よりも上方の位置に、試薬ボトル3の上面3Pが配置されている。その上面3Pから上に、開口部202に対応する凸部や、蓋3Aが出ている。試薬ボトル固定部2C及び試薬ボトル3の上方には、カバー2Aの開口部2Bがある。その開口部2Bを通じて、アーム5や押さえ棒6等が試薬ボトル3にアクセス可能となっている。なお、開口部2Bは、不必要時には閉じた状態にされる。
図5は、実施の形態1におけるアーム部50の第1設計例のアーム5の詳細を、主に円周方向Cから見た斜視で示す。アーム5は、大別して、軸部5F、下端部5Dを有する。下端部5Dには、突起接触部5A、ボトル押さえ部5B、挿入部5Cを有する。アーム5は、鉛直方向では長さz0を有する。アーム5は、円周方向Cでは所定の幅y0を有する。その幅y0は、突起3Bの幅、及び上面3Pの一部の幅と対応している。アーム5は、半径方向Rでは、軸部5Fで幅x1を有し、下端部5Dを含む全体で幅x0を有する。
図6は、蓋3Aの開閉の際に、第1設計例のアーム5の下端部5Dの突起接触部5Aと蓋3Aの突起3Bとが接触している状態の例を斜視で示す。鉛直駆動部41による鉛直方向の駆動によって、アーム5が下降し、ボトル押さえ部5Bが上面3Pに接触または近接する。上面3Pの高さ位置を位置Z0で示す。また、水平駆動部42による第1水平方向の駆動によって、下端部5Dが第1水平方向(半径方向R)の左に移動し、突起接触部5Aの第1面が突起3Bと接触する。第1水平方向における先端部5Eの位置を位置Xaで示す。アーム5の第1水平方向の移動に伴い、突起3Bは、突起接触部5Aの第1面に沿って鉛直方向の上へ円弧軌道で移動する。この際、第1面が角度θを持つことから、アーム5が水平移動する力が、突起3Bを鉛直方向の上に押し上げる力に変換される。これにより、突起3Bが第1面に沿って接触しながら、鉛直方向の上に押し上げられる。これに伴って蓋3Aが開く。
図7は、実施の形態1の変形例として、第2設計例のアーム5の構造を示す。図7では、蓋3Aの開閉の際にアーム5の下端部5Dの突起接触部5Aと蓋3Aの突起3Bとが接触している状態の例を、円周方向Cから見た平面で示す。第2設計例のアーム5では、角度θが、図5の第1設計例の角度θよりも小さく、45度程度とした場合を示す。
図8は、実施の形態1の変形例として、第3設計例のアーム5の構造を示す。図8では、同様に、アーム5と突起3Bとが接触している状態の例を示す。第3設計例のアーム5では、角度θが、図5の第1設計例の角度θよりも大きく、75度程度とした場合を示す。
図9は、実施の形態1の変形例として、第4設計例のアーム5の構造を示す。図9では、同様に、アーム5と突起3Bとが接触している状態の例を示す。第4設計例のアーム5は、突起接触部5Aの接触面において、2段階の角度を持つように2段階の平面部を有する。突起接触部5Aにおける2つの平面として、図示の左から右への方向で、第1平面5A1及び第2平面5A2を有する。第1平面5A1は角度θ1を有する。第2平面5A2は角度θ2を有する。角度θ1及び角度θ2は、0度よりも大きく90度よりも小さい。角度θ1よりも角度θ2の方が大きい。角度θ1は例えば45度程度、角度θ1は例えば75度程度とした場合を示す。
図10は、実施の形態1で適用している第5設計例のアーム5の構造を示す。図10では、同様に、アーム5と突起3Bとが接触している状態の例を示す。第5設計例のアーム5は、突起接触部5Aの接触面の角度θの設計として、角度θが次第に増加する曲面を有する場合である。図10の円周方向Cから見た平面では、突起接触部5Aの接触面は、曲線形状を有する。この曲線は、図示の左(先端部5Eに対応する)から右(軸部5Fに対応する)への方向で、角度θが所定の角度(例えば45度程度)から次第に増加して鉛直の90度に近付くような曲線である。
図46は、補足として、実施の形態1における1組のアーム5(5a,5b)が蓋3Aの1組の突起3B(3Ba,3Bb)と接触している状態の例を斜視で概略的に示す。円周方向Cのアーム5の数や形状は、蓋3Aの突起3Bの数や形状と対応して設計されている。蓋3Aの円周方向Cの幅が幅h1である。2本のアーム5a,5bの間隔が間隔y1である。h1<y1である。蓋3Aから円周方向Cに出ている突起3Bの幅が幅h2である。アーム5の幅y0は、突起3Bの幅h2と殆ど同じとしているが、これに限らず、y0<h2としてもよいし、y0>h2としてもよい。
押さえ部60の押さえ棒6に関する構造の詳細として以下である。実施の形態1での押さえ棒6は、図4のように、基部62から手前側の円周方向Cに出るように延在しており、断面が円形の棒状である。押さえ棒6の円周方向Cの長さは、蓋3Aの円周方向Cの幅よりも大きい。押さえ棒6のうちの一部が、蓋3A(突起3B以外の部分)の上面に接触する。
次に、図11~図17を用いて、分注工程の際に蓋開閉機構部4が試薬ボトル3の蓋3Aを開いてから閉じるまでの一連の流れの動作等を説明する。なお、第5設計例のアーム5を用いる場合で説明するが、他の構造でも同様に可能である。分注工程の概要としては以下である。(1)分析装置1は、分注の直前に、蓋開閉機構部4により、対象の試薬ボトルの容器部201の閉状態の蓋3Aを開ける(「開蓋動作」)。(2)分析装置1は、蓋3Aが開状態の対象の容器部201に、分注ノズル等をアクセスし、試薬を吸引する。(3)分析装置1は、分注の直後に、蓋開閉機構部4により、対象の試薬ボトルの容器部201の開状態の蓋3Aを閉じる(「閉蓋動作」)。まず、対象の蓋3Aを開ける開蓋動作について説明する。
図12は、第2動作及び第2状態を示す。第2状態で、アーム5の先端部5Eの位置は同じく位置X1である。蓋開閉機構部4は、第1状態から、まず、鉛直駆動部41により、アーム部50のアーム5及び押さえ部60の押さえ棒6を、鉛直方向の下に移動させる。これにより第2状態となる。第2状態では、アーム5の下端部5Dの下面であるボトル押さえ部5Bが、試薬ボトル3の上面3Pの一部面に接触または近接し、殆ど位置Z0に達する。また、この動作でアーム5が下降する際には、下端部5Dが突起3B等に接触しない。
図13は、第3動作及び第3状態を示す。第3状態で、第1水平方向におけるアーム5の先端部5Eの位置を位置X3で示す。位置X3は、突起3Bの位置に近い位置である。蓋開閉機構部4は、水平駆動部32によりアーム5及び押さえ棒6を、ボトル押さえ部5Bと上面3Pが接触または近接したまま、第1水平方向(半径方向R)の左に移動させる。これにより、下端部5Dの突起接触部5Aが、試薬ボトル3の右側の容器部201の蓋3Aの突起3Bと接触する。そして、この水平移動に伴い、突起3Bが突起接触部5Aの第1面に沿って接触しながら鉛直方向の上に円弧軌道で移動する。これに伴い、蓋3Aが次第に開く。
図14は、第4動作及び第4状態を示す。蓋開閉機構部4は、同様に、アーム5及び押さえ棒6を更に左に移動させている。第4状態で、第1水平方向におけるアーム5の先端部5Eの位置を位置X4で示す。位置X4は、突起3Bの位置よりも少し左の位置である。第3状態から第4状態のように、アーム5と突起3Bとの接触直後から試薬ボトル3のキャッチ部205が開口部202から離れるまでの第1時間では、蓋3Aを開くために要する力が大きい。そのため、蓋開閉機構部4は、第1時間では、水平駆動部42を、トルクを優先するために、低速で駆動させる。第4状態では、試薬ボトル3のキャッチ部205が開口部202から離れている。蓋開閉機構部4は、第4状態の後の第2時間では、水平駆動部42を、相対的に高速で駆動してもよい。
図15は、第5動作及び第5状態を示す。蓋開閉機構部4は、同様に、アーム5及び押さえ棒6を更に左に移動させている。第5状態で、蓋3Aは開状態(角度θが85度~89度程度)であり、開口部202が露出している。第5状態で、第1水平方向におけるアーム5の先端部5Eの位置を位置X5で示す。位置X5は、突起3Bの位置よりも左の位置であり、絶対的には次の真ん中の容器部201の蓋3Aの突起3Bに近い位置になっている。突起3Bは、アーム5の第1面を経由して、軸部5Fの側面に達している。
図16は、第6動作及び第6状態を示す。蓋開閉機構部4がアーム5及び押さえ棒6を更に左に移動させた場合を示す。第6状態で、アーム5の先端部5Eの位置X6は、第5状態の位置X5よりも更に少し左である。蓋3Aは、殆ど90度の開状態である。
次に、蓋3Aを閉じる閉蓋動作について説明する。図17は、第7動作及び第7状態を示す。蓋開閉機構部4は、閉蓋動作の際、第5状態または第6状態のような開状態から、水平駆動部41により、アーム5及び押さえ棒6を、第1水平方向における開蓋時の方向(右から左への方向)とは逆方向(左から右への方向)に移動させる。これにより例えば第7状態となる。第7状態では、蓋3Aがある程度閉じた状態を示す。アーム5の先端部5Eの位置を位置X7で示す。位置X7は、突起3Bの近くの位置である。
上記のように、実施の形態1の自動分析装置によれば、分注等の前後の試薬ボトル3の蓋3Aの開閉を、従来よりも簡素な構造かつ少ない駆動数で実現できる。実施の形態1の分析装置1は、水平駆動を用いて、試薬ボトル3の複数の蓋3Aの開閉を、選択した1個の蓋3Aを対象として1個ずつ同様に行うことができる。実施の形態1における蓋開閉は、従来技術例のようにフックの回動によって蓋を開閉する構造よりも簡素な構造で実現でき、複数の各々のフックを駆動するための駆動部も不要である。即ち、比較的低コストで高性能の分析装置を実現できる。
実施の形態1の変形例として以下が可能である。実施の形態1では、開蓋時に試薬ボトル3の浮き上がりを防止できるように、アーム5にボトル押さえ5Bが設けられている。これに限らず、別の構造を用いて、試薬ボトル3の浮き上がりを抑制する方式が可能である。
図21~図28を用いて、本発明の実施の形態2の自動分析装置について説明する。実施の形態2等の基本的な構成は、実施の形態1と同様である。以下では、実施の形態2等における実施の形態1とは異なる構成部分について説明する。自動分析装置に高い処理能力が求められる場合、試薬ボトル3の蓋3Aを複数箇所同時に開けて、複数個の分注ノズルを用いて同時に分注を行う場合が発生する。このような場合に対応可能とするために、実施の形態2の分析装置1では、試薬ボトル3の複数の蓋3Aを同時に開閉できる蓋開閉機構部4を備える。実施の形態2では、特に、試薬ボトル3の3個の容器部201に対応する3個の蓋3Aを同時に開閉する場合を示す。なお、この同時数は、3個に限らず可能であり、例えば2個の蓋3Aを同時に開閉する形態や、4個以上の蓋3Aを同時に開閉する形態も可能である。
図21は、実施の形態2における蓋開閉機構部4の構造を示す。対象の試薬ボトル3の構造は実施の形態1(図2)と同様であり、3個の蓋3Aが同時開閉の対象である。蓋開閉部40は、実施の形態1とは異なる構造のアーム部50及び押さえ部60を有する。アーム部50は、実施の形態1の2本で1組のアーム5(5a,5b)を、第1水平方向において所定間隔で3組備えている。即ち、アーム部50は合計6本のアーム5を備えている。各組のアーム5は同様の形状である。アーム5は、前述の第5設計例の構造の場合を示し、突起接触部5Aに曲面を持つ。
次に、蓋開閉機構部4が試薬ボトル3の蓋3Aを開いてから閉じるまでの一連の流れを説明する。図21では最初の第1動作及び第1状態を示す。この状態では、試薬ボトル3の3個の閉状態の蓋3Aの直上の対応する位置に、3組のアーム5及び3本の押さえ棒6が配置されている。なお、1組のアーム5及び1本の押さえ棒6の単位でみると、実施の形態1と同様である。右側の1組のアーム5の先端部5Eの位置X1を示す。
図22は、第2動作及び第2状態を示す。蓋開閉機構部4は、第1状態から、鉛直駆動部41によりアーム5及び押さえ棒6を鉛直方向の下に移動させて、第2状態とする。第2状態では、アーム5の下面であるボトル押さえ部5Bの高さ位置が、試薬ボトル3の上面3Pの位置Z0と殆ど同じになっている。なお、この際、3組のアーム5のうち右側の1組のアーム5については、上面3Pと接触していなくてもよい。
図23は、第3動作及び第3状態を示す。蓋開閉機構部4は、第2状態から、水平駆動部42によりアーム5及び押さえ棒6を第1水平方向の左へ移動させる。これにより第3状態となる。第3状態では、アーム5の先端部5Eの位置X3は、突起3Bの付近の位置である。水平移動に伴い、3組のアーム5の突起接触部5Aは、それぞれ対応する突起3Bと同時に接触する。そして、移動に伴い、各突起3Bが各第1面に沿って同様に移動することで、各蓋3Aが次第に開く。第1時間では、水平駆動として低速駆動される。
図24は、第4動作及び第4状態を示す。蓋開閉機構部4は、第3状態から、更に水平駆動によってアーム5及び押さえ棒6を左へ移動させる。これにより第4状態になる。第4状態では、アーム5の先端部5Eの位置X4は、突起3Bよりも少し左側の位置となっている。水平移動に伴い、各突起部3Bが各第1面に沿って同様に移動する。
図25は、第5動作及び第5状態を示す。蓋開閉機構部4は、第4状態から、更に水平駆動によってアーム5及び押さえ棒6を左へ移動させる。これにより第5状態になる。第5状態では、蓋3Aが開状態(85度~89度程度)であり、開口部202が露出している。第5状態では、各突起3Bは、各第1面を通過して軸部5Fの側面に達している。
図26は、第6動作及び第6状態を示す。第6状態は、第5状態から更に蓋3Aが開いた開状態(殆ど90度)の場合を示す。
図27は、第7動作及び第7状態を示す。第7状態は、分注動作の際の状態を示す。本例では、3本の分注ノズル71を用いて、試薬ボトル3の3個の容器部201の試薬を吸引する場合を示す。分析装置1は、分注ノズル71を用いた分注動作を前述用のように制御する。本例では、試薬ボトル3は、第6状態のように蓋3Aの蓋角度αが90度の開状態であり、第6状態において分注(試薬吸引)を行う場合を示す。これに限らず、第5状態のような開状態でも同様に分注が可能である。
図28は、実施の形態2に対する比較例の構成における分注の動作及び状態を示す。この比較例では、押さえ部60の押さえ棒6が設けられていない構造である。この構造の場合、あるいは押さえ棒6と蓋3Aの上面との距離が離れている構造の場合、図28の状態のように、蓋3Aが開きすぎてしまう場合が発生する。図28の例では、蓋3Aの蓋角度αが90度よりも大きい状態(120度程度)となっている。この場合、分注ノズル71が下降する際に、右側の蓋3A以外の箇所では、開き過ぎた状態の蓋3Aと接触してしまい、開口部202にアクセスできず、試薬分注ができない。
実施の形態2で試薬ボトル3の蓋3Aを閉じる閉蓋動作については以下である。この際の状態の例としては図23と同様であり省略する。蓋開閉機構部4は、水平駆動部42により押さえ棒6及びアーム5を、開蓋の際の第1水平方向とは逆方向に移動させる。この際、ガイド304によって各押さえ棒6が鉛直方向や第1水平方向に移動し、各蓋3Aの上面と接触し、各蓋3Aを押さえる。移動に伴い、各蓋3Aのキャッチ部205が開口部202に迎合し、3箇所の蓋3Aが同時に閉じられる。蓋開閉機構部4は、アーム5を突起3Bと干渉しない所定位置まで移動した後、アーム5及び押さえ棒6を鉛直方向の上に移動させる。
上記のように、実施の形態2の自動分析装置によれば、複数の容器部201の蓋3Aを同時に開閉する場合にも、比較的簡素な構造かつ少ない駆動数で実現できる。
図29~図34を用いて、本発明の実施の形態3の自動分析装置について説明する。実施の形態2では、試薬ボトル3の複数の蓋3Aを同時に開閉する機構を示した。ただし、複数個、例えば3箇所の蓋3Aを同時に開閉する場合、アーム5及び水平駆動部42の負荷が比較的大きくなる。そのため、アーム5及び水平駆動部42には、その負荷に耐えられる機能が必要となる。実施の形態1や実施の形態2のように、アーム5と突起3Bとの接触部分(突起接触部5A)の構造によって、その負荷をある程度までは低減できる。しかし、その接触部分の構造によっても、その負荷に耐えられない場合には、実施の形態3で示す構造が有効なものとして挙げられる。
図29は、実施の形態3における蓋開閉機構部4の構造を示し、第1動作及び第1状態を示す。蓋開閉機構部4は、蓋開閉部40のアーム部50において、基部52に固定されている3組のアーム5として、アーム5I,5J,5Kを有する。3組のアーム5は、第1水平方向(半径方向R)において、図示の右から左へ順に、右側の第1(第1組)のアーム5I、真ん中の第2(第2組)のアーム5J、左側の第3(第3組)のアーム5Kを有する。各組のアーム5は、円周方向Cでは同じ形状の2つのアーム5a,5bを有する点は同じである。各組のアーム5は、下端部5Dにおいて、突起接触部5A及びボトル押さえ部5Bの第1水平方向の幅(図5での幅x0)が異なる。また、各突起接触部5Aは、角度θや形状が異なる。
次に、蓋開閉機構部4が試薬ボトル3の3箇所の蓋3Aを順次に開いてから順次に閉じるまでの一連の流れについて説明する。図29は最初の第1状態であり、右側のアーム5Iの先端部5Eの位置を位置X1で示す。
図30は、第2動作及び第2状態を示す。蓋開閉機構部4は、第1状態から、まず、鉛直駆動部41によりアーム5及び押さえ棒6を鉛直方向の下に移動させる。これにより第2状態となる。アーム5I,5J,5Kの下面であるボトル押さえ部5Bは、殆ど位置Z0に達しており、上面3Pに接触または近接した状態である。アーム5I,5J,5Kの位置及び間隔(ピッチ)は、試薬ボトル3の突起3B1,3B2,3B3と接触しないように設計されている。
図31は、第3動作及び第3状態を示す。蓋開閉機構部4は、第2状態から、水平駆動部42によりアーム5及び押さえ棒6を第1水平方向で左へ移動させる。これにより第3状態となる。右側のアーム5Iの先端部5Eの位置を位置X3で示す。この移動の際、まず、第1時点で、アーム5Iの突起接触部5Aが蓋3A1の突起3B1と接触する。これに伴い、突起3B1が鉛直方向の上に押し上げられて、蓋3A1が次第に開く。
図32は、第4動作及び第4状態を示す。蓋開閉機構部4は、第3状態から更にアーム5及び押さえ棒6を左へ移動させる。これにより第4状態となる。右側のアーム5Iの先端部5Eの位置を位置X4で示す。この移動の際、蓋3A1のキャッチ部205が開口部202から離れた後、次に第2時点で、真ん中のアーム5Jが蓋3A2の突起3B2と接触する。これに伴い、突起3B2が鉛直方向の上に押し上げられて、蓋3A2が次第に開く。
図33は、第5動作及び第5状態を示す。蓋開閉機構部4は、第4状態から更にアーム5及び押さえ棒6を左へ移動させる。これにより第5状態となる。右側のアーム5Iの先端部5Eの位置を位置X5で示す。この移動の際、真ん中の蓋3A2のキャッチ部205が開口部202から離れた後、次に第3時点で、左側のアーム5Kが蓋3A3の突起3B3と接触する。これに伴い、突起3B3が鉛直方向の上に押し上げられて、蓋3A3が次第に開く。
図34は、第6動作及び第6状態を示す。蓋開閉機構部4は、第5状態から更にアーム5及び押さえ棒6を左へ移動させる。これにより第6状態となる。右側のアーム5Iの先端部5Eの位置を位置X6で示す。第6状態では、蓋3A1,3A2,3A3がすべて開状態であり、蓋角度αが殆ど90度の場合を示す。以降の動作は実施の形態2と同様である。分注後に、水平移動が行われ、押さえ棒6によって押さえながら3箇所の蓋3Aが順次に閉じられる。
上記のように、実施の形態3の自動分析装置によれば、複数の容器部201の蓋3Aを順次に開閉する場合にも、比較的簡素な構造かつ少ない駆動数で実現できる。
図35~図42を用いて、本発明の実施の形態4の自動分析装置について説明する。分析装置1のシステム内に、試薬ボトル3をユーザがマニュアルで投入、設置する場合がある。その場合、試薬ボトル3の蓋3A及びヒンジ部204の向きが、蓋開閉機構部4内のアーム5に対して、正しくない逆向きで設置される可能性がある。即ち、図2で、正しい向きとしては、第1水平方向(半径方向R)において、蓋3Aの一方端の辺部211のヒンジ部204が左側にあり、他方端の辺部212の突起3Bが右側にある。それに対し、正しくない逆向きの場合、第1水平方向において、蓋3Aの一方端の辺部211のヒンジ部204が右側にあり、他方端の辺部212の突起3Bが左側にある。蓋開閉機構部4のアーム5等は、試薬ボトル3の蓋3Aの正しい向きに対応させて配置されている。
図35は、実施の形態4での蓋開閉機構部4の構造を示す。実施の形態4では、アーム部50のアーム5として実施の形態1と同様に1組2本のアーム5a,5bを有する場合を示すが、これに限らず可能である。蓋開閉機構部4は、試薬ボトル3の投入の有無及び向きを検知してユーザにしらせる機能を有する。
次に、図36及び図37~図41を用いて、実施の形態4での試薬ボトル3の登録の流れに関して説明する。分析装置1の制御コンピュータ123は、試薬ボトル3及びその位置等の情報をシステム(分析装置1により構成されるシステム)に登録及び管理し、試薬ボトル3及び位置の利用可否を制御する機能を有する。分析装置1は、試薬ボトル3の登録動作を制御する。
上記のように、実施の形態4の自動分析装置によれば、試薬ボトル3の向きが正しくない場合や、試薬ボトル3が設置されていない場合にも、検出して対応することができ、高機能な装置を提供できる。
図42~図44を用いて、本発明の実施の形態5の自動分析装置について説明する。実施の形態4では、蓋開閉機構部4により試薬ボトル3の投入の有無及び向きの判別処理を行うことで、試薬ボトル3が正しい向きで設置されたかを判別した。しかしながら、実施の形態4では、1つの試薬ボトル3を登録して分注等を行う際に、蓋開閉機構部4を大別して2回稼動させる(判別のための1回目の稼動、及び前述の実施の形態1のような分注のための2回目の稼動)。そのため、複数の試薬ボトル3を登録する場合には、比較的長い時間を要する。
図42は、実施の形態5での蓋開閉機構部4の構造を示す。この実施の形態5の構成は、実施の形態4の構成に対し、試薬ボトル3の向きや有無の判別のための機構(連結部54等)を備える点は同じである。図42の構成では、異なる点として、蓋開閉機構部4には、情報読取判定機構部80を有する。情報読取判定機構部80は、RFIDリーダ81、RFIDタグ82を有する。なお、実施の形態5では、アーム部50のアーム5が1組の場合を示す。
次に、試薬ボトル3の登録の流れを説明する。図43は、実施の形態5での試薬ボトル3の登録処理のフローを示す。図43のフローは、実施の形態4の図36のフローに対し、ステップS41の後に、ステップS51、S52が追加されている。
上記のように、実施の形態5の自動分析装置によれば、試薬ボトル3の向きが正しくない場合や、試薬ボトル3が設置されていない場合にも、検出して対応することができ、高機能な装置を提供できる。
Claims (13)
- 化学分析に用いる自動分析装置であって、
工程の動作を制御する制御装置と、
突起を持つ開閉可能な蓋を有する容器が設置される容器設置部と、
前記蓋を開閉するための蓋開閉機構部と、
を備え、
前記蓋開閉機構部は、
前記蓋を開けるためのアームを含むアーム部と、
前記アームを第1水平方向に移動させる水平駆動部と、
を有し、
前記アームは、前記突起に接触させるための突起接触部を有し、
前記突起接触部は、水平面を0度として0度よりも大きく90度よりも小さい角度を持つ第1面を含み、
前記蓋開閉機構部は、
前記蓋を開ける際に、前記アームを前記第1水平方向の一方向に移動させて、前記突起接触部に前記突起を接触させて前記突起を前記第1面の形状に沿って鉛直方向の上に移動させることにより前記蓋を開け、
前記蓋を閉じる際に、前記アームを前記第1水平方向の逆方向に移動させて、前記蓋を閉じる、
自動分析装置。 - 請求項1記載の自動分析装置において、
前記アームは、前記突起接触部よりも鉛直方向の下に、前記容器の前記蓋よりも鉛直方向の下の位置にある一部面に接触または近接させるための第2面を持つ容器押さえ部を有し、
前記蓋開閉機構部は、前記蓋を開ける際に、前記容器押さえ部の前記第2面を前記容器の前記一部面に接触または近接させた状態にする、
自動分析装置。 - 請求項2記載の自動分析装置において、
前記アームを鉛直方向に移動させる鉛直駆動部を備え、
前記蓋開閉機構部は、前記アームを、前記蓋よりも上方の位置から鉛直方向の下に移動させて、前記突起接触部を前記突起に対して前記第1水平方向の一方側に配置すると共に、前記容器押さえ部を前記容器の前記一部面に接触または近接させる位置に配置する、
自動分析装置。 - 請求項1記載の自動分析装置において、
前記蓋開閉機構部は、前記蓋を押さえるための棒を含む押さえ部を有し、
前記水平駆動部は、前記棒を前記第1水平方向に移動させ、
前記蓋開閉機構部は、
前記蓋を開ける際に、前記棒を前記アームに対して一定の位置関係で前記第1水平方向の一方向に移動させて、前記棒によって前記蓋の開きを規制し、
前記蓋を閉じる際に、前記棒を前記アームに対して一定の位置関係で前記第1水平方向の逆方向に移動させて、前記棒によって前記蓋の上面を押さえながら前記蓋を閉じる、
自動分析装置。 - 請求項1記載の自動分析装置において、
前記第1面は、1つ以上の平面で構成される、
自動分析装置。 - 請求項1記載の自動分析装置において、
前記第1面は、1つ以上の曲面で構成される、
自動分析装置。 - 請求項1記載の自動分析装置において、
前記アームとは別に、前記容器の前記蓋よりも鉛直方向で下の位置にある一部面に接触または近接させるための第2面を持つ容器押さえ部を有し、
前記蓋開閉機構部は、前記蓋を開ける際に、前記容器押さえ部を移動させて、前記第2面を前記容器の前記一部面に接触または近接させた状態にする、
自動分析装置。 - 請求項1記載の自動分析装置において、
前記容器設置部には、前記容器として、前記第1水平方向に複数の容器が設置され、
前記アーム部は、前記アームとして、前記第1水平方向に配置されている複数のアームを有し、
前記蓋開閉機構部は、前記複数の容器の複数の蓋を開ける際に、前記複数のアームを前記第1水平方向の一方向に移動させて、前記複数のアームの複数の突起接触部を前記複数の蓋の複数の突起に同時に接触させ、前記複数の蓋を同時に開ける、
自動分析装置。 - 請求項1記載の自動分析装置において、
前記容器設置部には、前記容器として、前記第1水平方向に複数の容器が設置され、
前記アーム部は、前記アームとして、前記第1水平方向に配置されている複数のアームを有し、
前記複数のアームは、前記第1水平方向の幅が異なり、
前記蓋開閉機構部は、前記複数の容器の複数の蓋を開ける際に、前記複数のアームを前記第1水平方向に移動させて、前記複数のアームの複数の突起接触部を前記複数の蓋の複数の突起に順次に接触させて、前記複数の蓋を順次に開ける、
自動分析装置。 - 請求項3記載の自動分析装置において、
前記蓋開閉機構部は、前記アームを所定量で下降させ、前記容器設置部に前記容器が正しい向きで設置されていない場合に、前記容器押さえ部が前記突起または前記蓋に接触した動作を検知することで、前記容器の向きが正しくないことを検出する、
自動分析装置。 - 請求項3記載の自動分析装置において、
前記蓋開閉機構部は、前記アームを所定量で下降させ、前記容器設置部に前記容器が設置されていない場合に、前記容器押さえ部が何にも接触せずに前記容器の前記一部面よりも下の位置に達する動作を検知することで、前記容器が設置されていないことを検出する、
自動分析装置。 - 請求項1記載の自動分析装置において、
前記容器には、情報タグが付与されており、
前記容器設置部に設置される前記容器の近接位置に、前記情報タグの情報を読み取るための情報読取機器を備え、
前記情報を読み取ることができる場合には、前記容器設置部に前記容器が正しい向きで設置されていると判別して、前記容器設置部の位置の前記容器を使用可能とし、前記読み取りができない場合には、前記容器設置部の位置を使用不可能とする、
自動分析装置。 - 請求項1記載の自動分析装置において、
前記容器は、試薬ボトルであり、
前記容器設置部は、試薬ディスクであり、
前記第1水平方向は、前記試薬ディスクの半径方向であり、
前記蓋を開けた状態で、前記容器に対する鉛直方向の上方からノズルを下降させて前記容器の開口部にアクセスして試薬の分注を行う、
自動分析装置。
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EP3628402B1 (en) * | 2018-09-28 | 2024-10-23 | Sysmex Corporation | Reagent container rack and specimen analyzer |
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JPWO2020170636A1 (ja) * | 2019-02-18 | 2021-10-14 | 株式会社日立ハイテク | 自動分析装置 |
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JPWO2020262362A1 (ja) * | 2019-06-24 | 2020-12-30 | ||
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JP7574185B2 (ja) | 2019-06-24 | 2024-10-28 | 積水メディカル株式会社 | 自動分析装置及びその試薬容器蓋開閉機構 |
JPWO2021171722A1 (ja) * | 2020-02-28 | 2021-09-02 | ||
JP7418543B2 (ja) | 2020-02-28 | 2024-01-19 | 株式会社日立ハイテク | 自動分析装置 |
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JP2023533336A (ja) * | 2020-07-10 | 2023-08-02 | ラジオメーター・メディカル・アー・ペー・エス | 血液ガス分析装置、および血液ガス分析装置を備えるシステム、ならびにその使用 |
JP7558379B2 (ja) | 2020-07-10 | 2024-09-30 | ラジオメーター・メディカル・アー・ペー・エス | 血液ガス分析装置、および血液ガス分析装置を備えるシステム、ならびにその使用 |
WO2022014082A1 (ja) * | 2020-07-15 | 2022-01-20 | 株式会社日立ハイテク | 自動分析装置、および自動分析装置における試薬登録方法 |
JP7522835B2 (ja) | 2020-07-15 | 2024-07-25 | 株式会社日立ハイテク | 自動分析装置、および自動分析装置における試薬登録方法 |
JPWO2022014082A1 (ja) * | 2020-07-15 | 2022-01-20 |
Also Published As
Publication number | Publication date |
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JPWO2018173464A1 (ja) | 2019-12-12 |
US11215629B2 (en) | 2022-01-04 |
US20200033374A1 (en) | 2020-01-30 |
EP3605105B1 (en) | 2023-06-07 |
JP6684961B2 (ja) | 2020-04-22 |
CN110392834A (zh) | 2019-10-29 |
EP3605105A4 (en) | 2020-12-30 |
CN110392834B (zh) | 2023-06-09 |
EP3605105A1 (en) | 2020-02-05 |
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