WO2023100529A1 - 自動分析装置用カメラ保持装置 - Google Patents

自動分析装置用カメラ保持装置 Download PDF

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Publication number
WO2023100529A1
WO2023100529A1 PCT/JP2022/039474 JP2022039474W WO2023100529A1 WO 2023100529 A1 WO2023100529 A1 WO 2023100529A1 JP 2022039474 W JP2022039474 W JP 2022039474W WO 2023100529 A1 WO2023100529 A1 WO 2023100529A1
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WO
WIPO (PCT)
Prior art keywords
arm
dispensing
camera
holding device
mounting member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2022/039474
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
学 越智
隼 江藤
健士郎 坂田
洋一郎 鈴木
鉄士 川原
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi High Tech Corp
Original Assignee
Hitachi High Tech Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi High Tech Corp filed Critical Hitachi High Tech Corp
Priority to US18/710,105 priority Critical patent/US12422451B2/en
Priority to JP2023564797A priority patent/JP7686783B2/ja
Priority to CN202280074759.7A priority patent/CN118235047A/zh
Priority to EP22900962.6A priority patent/EP4443166A4/en
Publication of WO2023100529A1 publication Critical patent/WO2023100529A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
    • G01N35/1011—Control of the position or alignment of the transfer device
    • 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
    • G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
    • 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
    • G01N35/025—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 having a carousel or turntable for reaction cells or cuvettes
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/56—Accessories
    • G03B17/561—Support related camera accessories
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
    • 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
    • G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
    • G01N2035/1025—Fluid level sensing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/51—Housings
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices

Definitions

  • the present invention relates to a camera holding device for an automatic analyzer.
  • the tip of the nozzle In automated analyzers that perform component analysis by mixing samples such as serum and urine with reagents, when dispensing samples and reagents, the tip of the nozzle must be placed in multiple narrow spaces such as sample containers, reagent containers, and cleaning holes. must be inserted. Nozzles used for pipetting specimens and reagents in automatic analyzers are periodically replaced from the viewpoint of maintaining pipetting accuracy. Then, every time the nozzle is replaced, the number of driving pulses of the stepping motor that moves the dispensing arm must be adjusted so that the tip position of the nozzle matches the target stopping position of the specimen container, reagent container, cleaning hole, etc. .
  • Patent Document 1 An example of technology that facilitates this adjustment work is disclosed in Patent Document 1.
  • the technique described in Patent Literature 1 is to install a camera at the tip of an arm (dispensing arm) of a movement mechanism that moves a pipette (nozzle) to photograph the tip of the nozzle and a target stop position.
  • An object of the present invention is to provide a camera holding device for an automatic analyzer that facilitates tip position adjustment of dispensing nozzles of different lengths even with a single single-focus camera.
  • the present invention is a camera holding device for an automatic analyzer, in which a camera for photographing the tip of the dispensing nozzle is held on a dispensing arm that moves the dispensing nozzle of the automatic analyzer by rotating operation, wherein the dispensing an extendable part that extends and retracts in a vertical direction with respect to an arm; an arm-side fixing part that fixes one end of the extendable part to the dispensing arm; and a camera-side fixing part that fixes the camera to the other end of the extendable part; provided.
  • a camera holding device for an automatic analyzer that can easily adjust tip positions of dispensing nozzles of different lengths even with a single single focus camera.
  • FIG. 2 is a side view of the camera holding device according to Embodiment 1; 2 is a side view showing the state of the camera holding device when the camera is attached to the dispensing arm in Example 1.
  • FIG. FIG. 11 is a side view of a third dispensing mechanism and a camera holding device, showing Example 2;
  • FIG. 11 is a side view of a camera holding device according to Embodiment 3;
  • FIG. 12 is a side view showing the state of the camera holding device when the camera is attached to the dispensing arm in Example 3;
  • FIG. 11 is a side view of a camera holding device according to Embodiment 4;
  • FIG. 12 is a side view showing the state of the camera holding device when the camera is attached to the dispensing arm in Example 4;
  • FIG. 11 is a plan view showing the bottom surface of a dispensing arm in relation to Example 5;
  • FIG. 4 is a view showing the relative positions of the central axis (A3) of the expandable part with respect to the screw hole (A1) of the reagent pipetting arm and the screw hole (A2) of the sample pipetting arm.
  • FIG. 11 is a plan view of a camera holding device viewed from above regarding Example 5;
  • FIG. 20 is a side view showing the state of the camera holding device when the camera is attached to the dispensing arm in Example 5;
  • FIG. 1 is a schematic configuration diagram of the automatic analyzer 1.
  • the automatic analyzer 1 includes a reagent disk 12 on which a reagent container 11 is mounted, a reaction disk 13 for mixing and reacting a reagent and a specimen, a reagent dispensing mechanism 14 for aspirating and discharging the reagent, and aspirating and discharging the specimen. and a specimen dispensing mechanism 15 that performs
  • the reagent dispensing mechanism 14 includes a reagent dispensing nozzle 141 (first dispensing nozzle) for dispensing the reagent
  • the sample dispensing mechanism 15 includes a sample dispensing nozzle 151 (first dispensing nozzle) for dispensing the sample. Equipped with a two-dispensing nozzle).
  • the specimens put into the automatic analyzer 1 are loaded on the rack 19 and conveyed on the conveying line 16 in the specimen container 18 .
  • a plurality of sample containers 18 can be mounted on the rack 19 .
  • Specimens are derived from blood such as serum and whole blood, urine, and the like.
  • Reaction cells 131 for mixing reagents and specimens are arranged side by side on the outer circumference of the reaction disk 13 and are moved by rotating the reaction disk 13 .
  • the reagent pipetting mechanism 14 moves to a stop position for sucking the reagent from the reagent container 11, a stop position for discharging the reagent into the reaction cell 131, and a stop position for washing away the reagent adhering to the reagent pipetting nozzle 141 in a washing tank (not shown).
  • the dispensing nozzle 141 is moved.
  • the specimen pipetting mechanism 15 has a stop position for aspirating the specimen from the specimen container 18, a stop position for discharging the specimen to the reaction cell 131, and a stop position for washing away the specimen adhering to the tip of the specimen pipetting nozzle 151 in the washing tank 17. Move the specimen pipetting nozzle 151 to position .
  • the reagent pipetting mechanism 14 and the specimen pipetting mechanism 15 move up and down the reagent pipetting nozzle 141 and the specimen pipetting nozzle 151 according to the height of their stop positions.
  • FIG. 2 is a side view of the dispensing mechanism, where (a) shows the reagent dispensing arm 142 and (b) shows the sample dispensing arm 152, respectively.
  • the reagent dispensing nozzle 141 and specimen dispensing nozzle 151 have different diameters and lengths according to differences in the depth and dispensing volume of containers for suction and discharge. Generally, as shown in FIG. 2, the reagent pipetting nozzle 141 is short and the specimen pipetting nozzle 151 is long.
  • a first attachment member 143 is attached to the bottom surface of the reagent dispensing arm 142 so as to protrude from the bottom surface
  • a second attachment member 153 is attached to the bottom surface of the sample dispensing arm 152 so as to protrude from the bottom surface.
  • D1 shown in (a) of FIG. 2 is the height from the tip (lower end) of the reagent dispensing nozzle 141 to the tip (lower end) of the first mounting member 143 .
  • D2 shown in FIG. 2B is the height from the tip (lower end) of the specimen dispensing nozzle 151 to the tip (lower end) of the second mounting member 153 .
  • FIG. 3A and 3B are side views of the camera holding device 2 according to the first embodiment, in which FIG. ) state, respectively.
  • the camera holding device 2 holds a camera 20 for photographing the tips of the reagent pipetting nozzle 141 and the sample pipetting nozzle 151 .
  • the camera holding device 2 of this embodiment includes a telescoping portion 22 that extends and retracts in the vertical direction (up and down direction of the dispensing nozzle) with respect to each dispensing arm, and one end of the telescoping portion 22 is divided into two parts.
  • An arm-side fixing portion 23 for fixing to the arm and a camera-side fixing portion 21 for fixing the camera 20 to the other end of the extendable portion 22 are provided.
  • the telescopic part 22 is composed of three cylinders with different diameters, that is, an innermost cylinder 221 , an outermost cylinder 222 and an intermediate cylinder 223 .
  • a plurality of projecting members (not shown) that are elastically supported protrude from the inner peripheral surface of the outermost cylinder 222 and the outer peripheral surface of the innermost cylinder 221, respectively.
  • a plurality of grooves with the deepest ends at both ends are cut in the outer peripheral surface and the inner peripheral surface of the intermediate tube 223 arranged between the innermost tube 221 and the outermost tube 222 .
  • the protruding member moves along the groove carved in the intermediate cylinder 223 and falls into the deepest part of the groove, thereby fixing the cylinders.
  • the length of the expandable portion 22 can be adjusted in two stages. E shown in FIG. 3 is the expansion/contraction amount (difference between the shortest state and the shortest state) of the expansion/contraction portion 22 of the camera holding device 2 .
  • the arm-side fixing portion 23 is composed of a hole 231 provided in one end (upper end) surface of the innermost cylinder 221. This hole 231 is attached to the first mounting member 143 and the second mounting member 153 shown in FIG. By fitting together, the camera holding device 2 is positioned and fixed to the reagent dispensing arm 142 and the sample dispensing arm 152 .
  • the camera-side fixing portion 21 is provided on the side surface of the outermost cylinder 222 .
  • a feature of this embodiment is that the expansion/contraction amount E of the expansion/contraction portion 22 is set equal to the value D2-D1 obtained by subtracting D1 shown in FIG. 2(a) from D2 shown in FIG. 2(b). is.
  • "equal” does not mean that the expansion/contraction amount E and D2-D1 need not be exactly the same value, and it is sufficient if the difference is within the depth of field of the camera 20.
  • FIG. 4A and 4B are side views showing the state of the camera holding device 2 when the camera 20 is attached to the dispensing arm in Example 1, where (a) is attached to the reagent dispensing arm 142, and (b) is attached to the reagent dispensing arm 142. indicate when attached to the specimen dispensing arm 152, respectively.
  • the camera 20 for photographing the tip of the reagent pipetting nozzle 141 is held by the reagent pipetting arm 142 with the extendable portion 22 in the shortest state
  • the camera for photographing the tip of the specimen pipetting nozzle 151. 20 is held by the sample dispensing arm 152 with the extendable portion 22 being the longest.
  • the mounting member is described as a part separate from the camera holding device 2, but it may be regarded as a part of the camera holding device 2.
  • FIG. 5 is a side view of the third dispensing mechanism and camera holding device 2, showing Example 2.
  • FIG. 5 portions having the same functions as those of the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.
  • the automatic analyzer has a third dispensing nozzle. 101 is further provided.
  • the third pipetting nozzle 101 is longer than the reagent pipetting nozzle 141 and shorter than the sample pipetting nozzle 151 , and is moved by the rotational motion of the third pipetting arm 102 .
  • the third dispensing nozzle 101 may be, for example, a nozzle that dispenses a reagent different from the reagent dispensed by the reagent dispensing nozzle 141 from the reagent disk 12 of the same automatic analyzer. It may be a nozzle that dispenses reagents or samples for another test item from an adjacent unit.
  • the first feature of this embodiment is that it has a third mounting member 103 projecting downward from the bottom surface of the third dispensing arm 102, as shown in FIG. 5(c).
  • the camera holding device 2 is positioned and fixed to the third dispensing arm 102 by fitting the hole 231 of the arm-side fixing portion 23 to the third mounting member 103 .
  • the second feature of this embodiment is that the pressure between the intermediate cylinder 223 and the innermost cylinder 221 is set to be smaller than the pressure between the intermediate cylinder 223 and the outermost cylinder 222. .
  • the innermost tube 221 is rotated and pulled in the state of FIG.
  • the cylinders are fixed together. That is, the extendable portion 22 of the present embodiment can be fixed at an intermediate length in addition to the two stages described above, and the length can be adjusted in a total of three stages.
  • the camera 20 for photographing the tip of the third dispensing nozzle 101 is configured so that the hole 231 on the top surface of the innermost cylinder 221 is in the third attachment member 103 when the extendable portion 22 is in the state of the extension amount F. It was held by fitting against.
  • the extension amount F is the maximum value of the relative extension amount of the innermost cylinder 221 with respect to the intermediate cylinder 223, and is the distance D3 from the tip (lower end) of the third dispensing nozzle 101 to the tip (lower end) of the third mounting member 103, It is set to be equal to the difference D3-D1 from the distance D1 shown in FIG. 2(a).
  • the camera 20 can be attached to the dispensing arms without changing the distance and angle between the tip of the nozzle and the camera 20, even for three types of dispensing arms having different lengths of dispensing nozzles.
  • the number of cylinders forming the expandable section 22 is not limited to three.
  • the length of the expandable section 22 can be adjusted in multiple stages, and even in an automatic analyzer configured with a variety of dispensing mechanisms, a single single focus camera can be used for everything. It is possible to adjust the tip position of the nozzle of the dispensing mechanism.
  • FIG. 6A and 6B are side views of the camera holding device 2 according to the third embodiment, in which FIG.
  • a first feature of this embodiment is that both the first mounting member 143 and the second mounting member 153 are made of a magnetic material.
  • a second feature of this embodiment is that, as shown in FIG. 6, a magnet 232 for attracting the first mounting member 143 and the second mounting member 153 is provided on the bottom surface of the hole 231 forming the arm side fixing portion 23. That is.
  • FIG. 7A and 7B are side views showing the state of the camera holding device 2 when the camera 20 is attached to the dispensing arm in Example 3.
  • (a) is attached to the reagent dispensing arm 142; indicate when attached to the specimen dispensing arm 152, respectively.
  • the camera 20 for photographing the tip of the reagent dispensing nozzle 141 is held by the reagent dispensing arm 142 with the extendable portion 22 in the shortest state, and the specimen dispensing nozzle 151
  • the camera 20 for photographing the tip of the sample is held by the specimen dispensing arm 152 with the extendable portion 22 in the longest state.
  • the distance WD and the angle ⁇ between the tip of the reagent dispensing nozzle 141 and the camera 20 in FIG. 7(a) are also the distance WD and It has the same value as the angle ⁇ .
  • the magnet 232 of the arm-side fixing portion 23 utilizes the force of attracting the first mounting member 143 and the second mounting member 153, thereby facilitating attaching/detaching the camera 20 to/from the dispensing arm.
  • FIG. 8A and 8B are side views of the camera holding device 2 according to the fourth embodiment, in which FIG.
  • a first feature of this embodiment is that the outermost tube 222 is provided with a pair of first extensions 24 extending in the direction of expansion and contraction of the expandable section 22, and the innermost tube 221 is provided with a pair of first extension sections 24 extending in the direction of expansion and contraction of the expandable section 22. Another difference is that a pair of second extensions 25 are provided.
  • the second feature of this embodiment is that the height G1 from the bottom surface of the hole 231 of the arm-side fixing portion 23 to the upper end of the first extension portion 24 (see FIG. 8(a)) is 2) from the bottom surface of the reagent dispensing arm 142 (see FIG. 2A) and shorter than the extension/contraction amount E of the extendable portion 22 (see FIG. 3).
  • a third feature of this embodiment is that the height G2 (see FIG. 8B) from the bottom surface of the hole 231 of the arm-side fixing portion 23 to the upper end of the second extension portion 25 is equal to the protrusion amount B1 It is shorter and longer than the protrusion amount B2 of the second mounting member 153 from the bottom surface of the specimen dispensing arm 152 (see (b) of FIG. 2).
  • a fourth feature of this embodiment is that the distance between the pair of first extensions 24 is equal to the width of the reagent dispensing arm 142, and the distance between the pair of second extensions 25 is equal to the width of the sample dispensing arm 152. is equal to
  • 9A and 9B are side views showing the state of the camera holding device 2 when the camera 20 is attached to the dispensing arm in Example 4, where (a) is attached to the reagent dispensing arm 142, and (b) is attached to the reagent dispensing arm 142. indicate when attached to the specimen dispensing arm 152, respectively.
  • the first extension portion 24 or the second extension portion 25 sandwiches the side surface of the dispensing arm regardless of whether the camera 20 is attached to the reagent dispensing arm 142 or the specimen dispensing arm 152 . Therefore, not only is the positioning accuracy of the camera 20 in the Yaw direction improved, but also displacement and inclination of the camera after attachment due to the operation of the dispensing arm can be suppressed. Also, the spacing between the pair of first extensions 24 corresponds to the shape (width dimension) of the reagent dispensing arm 142, and the spacing between the pair of second extensions 25 corresponds to the shape (width dimension) of the specimen dispensing arm 152. By doing so, the camera can be held with high precision even for dispensing arms of different shapes.
  • the dispensing arm is pre-drilled with a screw hole for fixing an electronic board for liquid level detection, a screw hole for connecting a grounding cord, and the like.
  • the mounting member described above can be fastened using the existing threaded hole.
  • Example 5 utilizes the existing screw holes provided on the bottom surface of the dispensing arm to fix the aforementioned mounting member.
  • FIG. 10 is a plan view showing the bottom surface of the pipetting arm in Example 5, where (a) is the position of the screw hole 144 provided on the bottom surface of the reagent pipetting arm 142, and (b) is the sample pipetting arm. The positions of screw holes 154 provided on the bottom surface of 152 are shown, respectively.
  • O1 is the intersection of the central axis of the reagent dispensing nozzle 141 and the bottom surface of the reagent dispensing arm 142
  • A1 is the central axis of the existing screw hole 144 and the reagent dispensing arm 142.
  • R1 is the intersection of the axis of rotation of the reagent dispensing arm 142 and the bottom surface of the reagent dispensing arm 142 .
  • the screw hole 144 forms an "internal thread", and an "external thread" provided at the upper end of the first mounting member 143 is fastened.
  • O2 is the intersection of the central axis of the sample pipetting nozzle 151 and the bottom surface of the sample pipetting arm 152
  • A2 is the central axis of the existing screw hole 154 and the sample pipetting arm.
  • R2 is the intersection of the rotation axis of the specimen dispensing arm 152 and the bottom of the specimen dispensing arm 152 .
  • the screw hole 154 forms a “female thread”, and a “male thread” provided at the upper end of the second mounting member 153 is fastened.
  • the positional relationship of A1 with respect to O1 and the positional relationship of A2 with respect to O2 may differ.
  • the positional relationship of the screw hole 144 (first mounting member 143) in the reagent pipetting arm 142 with respect to the reagent pipetting nozzle 141 and the sample pipetting of the screw hole 154 (second mounting member 153) in the sample pipetting arm 152 The positional relationship with respect to the nozzle 151 is different.
  • FIG. 11 is a diagram showing the relative positions of the central axis (A3) of the expandable section 22 with respect to the screw hole 144 (A1) of the reagent pipetting arm 142 and the screw hole 154 (A2) of the specimen pipetting arm 152.
  • FIG. Specifically, the positions of A1 and A2 are shown with O1 and O2 in FIG.
  • the central axis (A3) of the expansion/contraction portion 22 is positioned vertically below the middle point of the line segment A1-A2.
  • FIG. 12A and 12B are plan views of the camera holding device 2 as viewed from above, with FIG. .
  • the hole at a position eccentric from the central axis (A3) of the expandable part 22 231 is displaced in the circumferential direction depending on the expansion/contraction amount of the expansion/contraction portion 22 .
  • the positional relationship of the hole 231 with respect to the central axis (A3) of the expandable portion is the positional relationship of A1 with respect to A3 in FIG. 12B
  • the positional relationship of the hole 231 with respect to the center axis (A3) of the flexible part is the positional relationship of A2 with respect to A3 of FIG.
  • the center axis of the telescopic part 22 can be adjusted with respect to each pipetting nozzle. It is possible to attach the camera holding device 2 to each dispensing arm so that the positional relationship of .
  • grooves are formed in the intermediate tube 223 so that the innermost tube 221 rotates 180 degrees with respect to the outermost tube 222 as the expandable portion 22 extends from the shortest state to the longest state.
  • the angle of rotation from the shortest to the longest is not limited to 180 degrees.
  • FIG. 13A and 13B are side views showing the state of the camera holding device 2 when the camera 20 is attached to the dispensing arm in Example 5, where (a) is attached to the reagent dispensing arm 142, and (b) is attached to the reagent dispensing arm 142. indicate when attached to the specimen dispensing arm 152, respectively.
  • FIG. 13 since the position of the camera 20 fixed to the outermost cylinder 222 remains unchanged with respect to the tip of each dispensing nozzle, the focus, composition, angle, and pixel resolution for the nozzle of the camera 20 remain unchanged. becomes.
  • the camera can be attached to existing automatic analyzers without new processing.
  • the holes 231 and the magnets 232 that constitute the arm-side fixing portion 23 can be common to both of the dispensing arms, which makes it possible to reduce the weight and manufacturing cost of the camera holding device.

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PCT/JP2022/039474 2021-12-02 2022-10-24 自動分析装置用カメラ保持装置 Ceased WO2023100529A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US18/710,105 US12422451B2 (en) 2021-12-02 2022-10-24 Camera holding device for automatic analysis apparatus
JP2023564797A JP7686783B2 (ja) 2021-12-02 2022-10-24 自動分析装置用カメラ保持装置
CN202280074759.7A CN118235047A (zh) 2021-12-02 2022-10-24 自动分析装置用照相机保持装置
EP22900962.6A EP4443166A4 (en) 2021-12-02 2022-10-24 CAMERA HOLDING DEVICE FOR AUTOMATIC ANALYSIS DEVICE

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Application Number Priority Date Filing Date Title
JP2021196149 2021-12-02
JP2021-196149 2021-12-02

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WO2023100529A1 true WO2023100529A1 (ja) 2023-06-08

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US (1) US12422451B2 (https=)
EP (1) EP4443166A4 (https=)
JP (1) JP7686783B2 (https=)
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WO (1) WO2023100529A1 (https=)

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