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公开(公告)号：US10732192B2
公开(公告)日：2020-08-04
申请号：US15319914
申请日：2015-05-22
Applicant: HITACHI HIGH-TECHNOLOGIES CORPORATION
Inventor： Satoru Chida , Kazuhiro Nakamura , Yoshihiro Suzuki , Toshihide Orihashi
Abstract: An automatic analyzer has a transport device which includes a specimen rack gripping mechanism that grips the specimen rack on a first transport path on which the specimen racks are transported by the specimen rack being sandwiched between gripping plates from both sides of flanks in the transport direction to transport the specimen rack along the first transport path and a gripping width controller that controls a distance between the gripping plates of the specimen rack gripping mechanism in accordance with a width of the specimen rack. Accordingly, an automatic analyzer capable of transporting a plurality of types of the specimen racks while suppressing an increase in size of the apparatus and also an increase in cost can be provided.
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公开(公告)号：US10761105B2
公开(公告)日：2020-09-01
申请号：US15325519
申请日：2015-06-15
Applicant: Hitachi High-Technologies Corporation
Inventor： Yoshiki Muramatsu , Takamichi Mori , Kazuhiro Nakamura
IPC: G01N35/10 , G01N21/11 , G01N21/25 , G01N33/487 , G01N35/04 , G01N33/49 , G01N33/493
Abstract: An automatic analyzing apparatus is provided which includes a member 401 fixed at a predetermined level which presses down the sample container sealed with the sealing plug that is floated from the rack due to friction between the probe and the sealing plug when pulling out the probe from the sample container sealed with the sealing plug, and a mechanism 402 that pushes down, toward the rack, the sample container sealed with the floated sealing plug in which the sample container sealed with the floated sealing plug is transported by the transport line, and disposed on a path of the transport line until re-inspection is performed after pulling out the probe from the sample container sealed with the sealing plug.
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公开(公告)号：US09945881B2
公开(公告)日：2018-04-17
申请号：US15112832
申请日：2015-01-16
Applicant: HITACHI HIGH-TECHNOLOGIES CORPORATION
Inventor： Yoshiaki Saito , Toshihide Orihashi , Kazuhiro Nakamura
CPC classification number: G01N35/025 , B01L3/021 , B01L3/527 , B01L99/00 , B01L2200/147 , B01L2300/0654 , B01L2300/0841 , G01N35/00722 , G01N35/0092 , G01N35/10 , G01N35/1002 , G01N2035/00891 , G01N2035/0091 , G01N2035/0097 , G01N2035/0437 , G01N2035/0443 , G01N2035/0444 , G01N2035/0453
Abstract: After an analysis start instruction is input in a state where a sample is not dispensed to all of reaction containers 104 mounted on a reaction disc 105, before completing an analysis preparation washing process for washing the reaction container 104 to be used in analyzing the sample to be first analyzed, a soaking and washing process for performing soaking and washing during a predetermined period of time is controlled to be started by dispensing a soaking and washing detergent to another reaction container 104 different from the reaction container 104. In this manner, the soaking and washing can be efficiently performed on the reaction container without hindering an analysis process.
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公开(公告)号：US09897519B2
公开(公告)日：2018-02-20
申请号：US14366079
申请日：2012-12-14
Applicant: HITACHI HIGH-TECHNOLOGIES CORPORATION
Inventor： Naoto Suzuki , Yoshiaki Saito , Yoichi Aruga , Toshihide Orihashi , Kazuhiro Nakamura
CPC classification number: G01N1/34 , G01N35/00584 , G01N35/1004 , G01N2001/002 , Y10T436/25125
Abstract: When the type is to be changed from serum (preceding sample) to urine (current sample), “serum” is set to a preceding type and “urine” is set to a measurement type at number 1 in a condition number. At condition number 1, the wash type is pattern 1, with washing performed once with detergent 1. Where the preceding sample is serum and the current sample is CSF, the condition number is 2 and the wash type is pattern 2, with washing performed twice using detergent 1 and once with detergent 2. Where the preceding sample is urine and the current sample is CSF, the condition number is 3 and the wash type is pattern 3, with washing performed once with detergent 1, once with detergent 2, and once with water. In the case of pattern 4, washing is performed three times with detergent 1.
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公开(公告)号：US09891241B2
公开(公告)日：2018-02-13
申请号：US14760818
申请日：2014-01-17
Applicant: HITACHI HIGH-TECHNOLOGIES CORPORATION
Inventor： Takamichi Mori , Kazuhiro Nakamura , Yoshihiro Suzuki
IPC: G01N35/10
CPC classification number: G01N35/1004 , G01N35/1002 , G01N35/1011
Abstract: An automatic analysis device in which a probe is washed in a short period of time and the amount of washing water which may be mixed in at the time of suctioning of a succeeding liquid can be decreased. Washing water is supplied to a throttle portion of a washing tank from a washing nozzle. A reagent probe is inserted into the washing tank. Washing of the outside of the reagent probe, washing of the throttle portion, and a washing operation for the inside of the reagent probe are performed while a lowering operation of the reagent probe is performed. The automatic analysis device is configured to perform a drying operation by using vacuum nozzles even when the reagent probe is lifted, and thus, washing and drying operations of the reagent probe can be sped up and can be performed in a short period of time.
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Patent Agency Ranking
公开(公告)号：US20140377132A1
公开(公告)日：2014-12-25
申请号：US14364227
申请日：2012-11-27
Applicant: HITACHI HIGH-TECHNOLOGIES CORPORATION
Inventor： Akihiro Shimase , Yoshihiro Suzuki , Koichi Asada , Kazuhiro Nakamura
IPC: G01N35/10
CPC classification number: G01N35/1004
Abstract: An automatic analyzer includes a sample dispensing unit that dispenses a sample into a reaction vessel, a reagent dispensing unit that dispenses a reagent, a sample nozzle cleaning tank that cleans a nozzle of the sample dispensing unit, a reagent nozzle cleaning tank that cleans a nozzle of the reagent dispensing unit, a compressor that supplies compressed air, and cleaning water supply means that supplies cleaning water. The tanks each have an upper vent that allows a nozzle to have access for cleaning, a lower vent that drains the cleaning water, a cleaning water jet port that sprays the cleaning water to the nozzle, and a compressed air jet port that removes residual cleaning water left on the nozzle. The lower vent has an opening area wider than that of the upper vent.
Abstract translation: 一种自动分析装置，其特征在于，包括将样品分配到反应容器中的样本分注单元，分注试剂的试剂分注单元，清洗样品分注单元的喷嘴的样品喷嘴清洗槽，清洗喷嘴的试剂喷嘴清洗槽 的试剂分注单元，提供压缩空气的压缩机，以及用于提供清洁水的清洁供水装置。 每个罐都具有允许喷嘴进入清洁的上部通风口，排出清洁水的下部通风口，将清洁水喷射到喷嘴的清洁水喷射口以及去除残余清洁的压缩空气喷射口 水留在喷嘴上。 下部通风口的开口面积大于上部通风口的开口面积。
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公开(公告)号：US10067152B2
公开(公告)日：2018-09-04
申请号：US15111006
申请日：2015-01-13
Applicant: HITACHI HIGH-TECHNOLOGIES CORPORATION
Inventor： Masaru Miyazaki , Takamichi Mori , Kazuhiro Nakamura , Isao Yamazaki
Abstract: An automatic analyzer has a washing tank providing water for washing a reagent or sample probe is. The washing water from a washing nozzle spreads from a throttle portion and is divided into right and left flows after colliding with a vent plate provided in an overflow portion of the washing tank. The washing water flows between the vent plate and the inner wall of the overflow portion, and the flows join behind the vent plate. After joining, the washing water flows downward along the vent plate and the inner wall of the overflow portion and then is drained. Because a space is created between the washing water which has collided with the vent plate and the washing water joined behind the vent plate, the washing water is prevented from completely covering the overflow portion, and the airflow can be secured during the drainage.
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公开(公告)号：US09933447B2
公开(公告)日：2018-04-03
申请号：US14784359
申请日：2014-04-03
Applicant: HITACHI HIGH-TECHNOLOGIES CORPORATION
Inventor： Hiroyuki Takayama , Kazuhiro Nakamura
CPC classification number: G01N35/04 , B08B3/08 , G01N21/03 , G01N35/0092 , G01N2035/0437 , G01N2035/0453
Abstract: A rinse mechanism rinses reaction cuvettes with first and second detergents. An R1 reagent pipetting mechanism 8 rinses the reaction cuvettes that have been rinsed by the rinse mechanism with a special detergent. A counting unit counts and stores in a storage unit a use frequency of each reaction cuvette for a specific reagent item. A determining unit determines whether the counted use frequency exceeds a predetermined threshold N1. A control unit controls the R1 reagent pipetting mechanism such that, in a case where the counted use frequency exceeds the predetermined threshold N1, the reaction cuvettes, which have exceeded the predetermined threshold N1, are soaked with the special detergent only for a period equal to or less than a value derived by multiplying a pipetting cycle time, which indicates a period when a sample is pipetted, by the total number of reaction cuvettes and a predetermined integer.
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公开(公告)号：US09846170B2
公开(公告)日：2017-12-19
申请号：US14373368
申请日：2012-12-20
Applicant: HITACHI HIGH-TECHNOLOGIES CORPORATION
Inventor： Takenori Okusa , Kazuhiro Nakamura , Yoshihiro Suzuki
CPC classification number: G01N35/00029 , G01N35/00663 , G01N35/0092 , G01N35/04 , G01N2035/00673 , G01N2035/0443 , G01N2035/0455 , G01N2035/0462
Abstract: To provide an automated analyzer adapted for accommodating a larger number of reagent cassettes to meet calls for increases in analytical throughput and in the number of analytical items, and thus using the accommodated reagent cassettes more efficiently. An automated analyzer body 100 includes a main reagent buffer 4 for storing a plurality of reagent cassettes each containing a reagent used for analysis and a subsidiary reagent buffer 12. A reagent cassette transfer 11 transfers the reagent cassettes from the main reagent buffer to the subsidiary reagent buffer, and vice versa. A control unit 200 operates so that when a reagent cassette that is not set in the main reagent buffer is to be used for an assigned analysis, the reagent cassette for the assigned analysis is transferred from the subsidiary reagent buffer to the main reagent buffer.
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公开(公告)号：US20150192600A1
公开(公告)日：2015-07-09
申请号：US14413286
申请日：2013-07-08
Applicant: Hitachi High-Technologies Corporation
Inventor： Takamichi Mori , Kazuhiro Nakamura , Yoshihiro Suzuki
IPC: G01N35/10
CPC classification number: G01N35/1004 , G01N35/1016 , G01N2035/1018
Abstract: To provide an automatic analyzer which is not influenced by fluidity or viscosity of a sample, and which can stably dispense the sample with dispensing accuracy by determining whether a flow route including a sample probe is in a stable and suction-available state when the sample is suctioned. In suction of the sample, before the sample is suctioned, in the flow route including the sample probe, the automatic analyzer determines whether the sample is in a suction-available state or in a suction-unavailable state, and performs cleaning on the flow route when it is determined that the sample is not in the suction-available state. Since the state in the flow route including the sample probe is determined before the sample is suctioned, the automatic analyzer can repeatedly perform a dispensing operation having improved reliability, without being influenced by the fluidity or the viscosity.
Abstract translation: 为了提供不受样品的流动性或粘度的影响的自动分析仪，并且通过确定包含样品探针的流动路径在样品是否处于稳定和可抽吸状态时可以以分散精度稳定地分配样品 抽吸。 在样品抽吸之前，在样品被抽吸之前，在包括样本探针的流动路径中，自动分析器确定样品是处于吸入可用状态还是处于不可抽吸的状态，并且对流动路线进行清洁 当确定样品不处于吸入可用状态时。 由于在样品被抽吸之前确定包含样品探针的流动路径中的状态，所以自动分析仪可以不受流动性或粘度的影响而重复地执行具有提高的可靠性的分配操作。
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