Abstract: Provided is an automated analysis device capable of a more accurate determination of the sizes of bubbles included in a liquid. The automated analysis device includes a detection unit which detects bubbles included in a liquid, an internal standard solution syringe which executes a first liquid supply operation in which a liquid is supplied via the detection unit, a diluent syringe, a sipper syringe, solenoid valves, and a control device which determines whether the size of the bubbles detected during the first liquid supply operation is normal or not based on the operation speed of the liquid supply unit, and controls the operation of the liquid supply unit according to the determination.

Abstract: The purpose of the present invention is to provide a container holder with which it is possible to hold a container in a non-tilted manner and which has a draft angle for smoothly extracting a die used when manufacturing the container holder through injection-molding. A hole in which the container holder according to the present invention accommodates a container has a first wall section and a second wall section, the first wall section having a shape such that the hole widens from an opening section toward a bottom section, and the second wall section having a shape such that the hole widens from the bottom section toward the opening section (refer to FIG. 4).

Abstract: Problem Provided is an electrolyte analyzer that allows reducing a load of a user in a replacement work compared with conventional one. Solution An electrolyte analyzer includes an ISE electrode 1 that includes at least one electrode, a reference electrode 2 that includes at least one electrode different from the ISE electrode 1, and a housing 200 that houses the electrodes of the ISE electrode 1 and the reference electrode 2. The housing 200 includes a pressing unit that presses the electrodes to one another, a first press switching unit 210 that switches the ISE electrode 1 between a secured state and a released state, and a second press switching unit 215 that switches the reference electrode 2 between a secured state and a released state. The ISE electrode 1 and the reference electrode 2 are each switched between the secured state and the released state. Selected Drawing: FIG.

Abstract: Provided is an automated analysis device capable of a more accurate determination of the sizes of bubbles included in a liquid. The automated analysis device includes a detection unit which detects bubbles included in a liquid, an internal standard solution syringe which executes a first liquid supply operation in which a liquid is supplied via the detection unit, a diluent syringe, a sipper syringe, solenoid valves, and a control device which determines whether the size of the bubbles detected during the first liquid supply operation is normal or not based on the operation speed of the liquid supply unit, and controls the operation of the liquid supply unit according to the determination.

Abstract: Provided is a technique for efficiently mixing a plurality of liquids by using only a single liquid feeding device. This liquid mixer comprises: a first inflow flow path into which a first liquid flows; a second inflow flow path into which a second liquid flows; a liquid merging part where the first liquid and the second liquid merge; an outflow flow path which is connected to the liquid merging part and through which the first liquid and the second liquid flow out; and a single liquid feeding device. The liquid merging part has a first flow path connected to the first inflow flow path, and a second flow path connected to the second inflow flow path, the first flow path branches into at least two flow paths, and the second flow path branches into at least two flow paths. One among the flow paths branched from the first flow path and one among the flow paths branched from the second flow path are connected and merged with each other.

Abstract: A nozzle cleaner includes: a cleaning tank which stores a cleaning solution; a first conductive member that is disposed to be immersed into the cleaning solution stored in the cleaning tank when the nozzle is cleaned; an ultrasonic wave generating mechanism which is disposed so that at least a part of a second conductive member is immersed into the cleaning solution stored in the cleaning tank when the nozzle is cleaned and generates an ultrasonic vibration in the cleaning solution stored in the cleaning tank; a first voltage control unit which controls a potential applied to the first conductive member; and a second voltage control unit which controls a potential applied to the second conductive member, wherein the first voltage control unit applies a second potential V2 higher than a first potential V1 applied to the nozzle when the nozzle is cleaned to the first conductive member.

Abstract: There is provided an electrolyte analyzer that can appropriately replace consumable items while more exerting analysis processing performances than a conventional electrolyte analyzer does. An electrolyte analyzer includes a plurality of analysis chambers 50 having ISE electrodes 1 configured to measure the concentration of the electrolyte of a sample and a controller 29 configured to control operations in the electrolyte analyzer 100 including the analysis chambers 50. The ISE electrodes 1 of the plurality of analysis chambers 50 analyze the same analysis items. The controller 29 selects an analysis chamber 50 used for measurement from the plurality of analysis chambers 50 corresponding to the remaining measurable numbers of a plurality of ISE electrodes 1 and measurement request status.

Abstract: An object of the present invention is to provide an automatic analyzer that can decrease the frequency of cleaning as compared to the past by suppressing breeding of bacteria and the like in a buffer tank as compared to the past and can reduce maintenance work time of an operator.

Abstract: Provided is an electrolyte analysis apparatus capable of diluting and preparing a reagent with higher accuracy with a simpler device configuration, comprising a first flow path configured to send a high-concentration reagent from a high-concentration reagent bottle, a second flow path configured to send a reagent diluent from a reagent diluent bottle that stores the reagent diluent for diluting the high-concentration reagent, a junction unit configured to join the first flow path and the second flow path, a third flow path configured to send a mixed liquid, a dilution tank configured to store the prepared reagent, a prepared reagent discharge nozzle configured to discharge the prepared reagent, a liquid sending mechanism configured to send the reagent and the reagent diluent to the junction unit at a predetermined ratio so that the prepared reagent has a predetermined concentration, and an analysis unit configured to perform analysis with the prepared reagent.

Abstract: An electrolyte analysis apparatus measures the concentration of a specific ion in a specimen based on the result of measuring a reagent having a predetermined ion concentration by an ion selective electrode and the result of measuring the specimen by the ion selective electrode. The electrolyte analysis apparatus includes a reagent unit for diluting and restoring a concentrated internal standard solution having a concentration higher than a predetermined ion concentration with pure water to generate a reagent having the predetermined ion concentration, and a mechanism, in which the reagent generation unit generates the reagent such that the absolute value of the temperature difference between the reagent obtained by the dilution and restoration, and the pure water is smaller than the absolute value of the temperature difference between the reagent obtained by the dilution and restoration, and the reagent stock solution.

Abstract: An automatic analysis device including liquid containers 3, 4, and 5 for storing liquid and liquid sending units 8, 9, and 10 for sending the liquid in the container through flow paths includes a detector 102 for detecting gas in the flow path, a priming function unit for replacing the liquid in the flow path, and a control device 29 for determining that bubbles are incorporated in the liquid in the flow path when the detector detects gas in the flow path. With this configuration, the incorporation of bubbles into a liquid and a shortage of a reagent can be more efficiently identified.

Abstract: Provided is an automated analysis device capable of a more accurate determination of the sizes of bubbles included in a liquid. The automated analysis device includes a detection unit which detects bubbles included in a liquid, an internal standard solution syringe which executes a first liquid supply operation in which a liquid is supplied via the detection unit, a diluent syringe, a sipper syringe, solenoid valves, and a control device which determines whether the size of the bubbles detected during the first liquid supply operation is normal or not based on the operation speed of the liquid supply unit, and controls the operation of the liquid supply unit according to the determination.

Abstract: The purpose of the present invention is to provide an automated analysis apparatus that can reduce the influence of a pre-sample more reliably, by delivering an internal standard solution. The automated analyzing apparatus according to the present invention determines in advance whether the ion concentration of a first sample is higher than the ion concentration of a second sample by a reference value, and delivers a liquid other than the sample in addition to the internal standard solution (see FIG.

Abstract: An electrolyte analyzing device with which an electrical effect does not occur has a housing to which a reference potential is applied and a flow passage which is electrically insulated from the housing. The analyzing device delivers a sample solution to a first electrode, and delivers a reference electrode solution to a second electrode. A reagent vessel placement unit which is electrically connected to the housing, has placed thereon a diluent bottle accommodating a diluent, an internal standard solution bottle accommodating the internal standard solution, and a reference electrode solution bottle accommodating the reference electrode solution. The reagent vessel placement unit includes a suction nozzle comprising an electrical conductor which is joined to the flow passage, and which can be inserted into and removed from each of the diluent, internal standard solution and reference electrode solution bottles. And, an insulator electrically insulates the suction nozzle and the housing.

Abstract: Provided is an electrolyte analyzing device that prevents contamination caused by contacting different reagents by a suction nozzle when reagent replacement is performed. The electrolyte analyzing device includes a nozzle support part 203 coupled to a suction nozzle 6 and movable between a reagent container replacement position and a reagent suction position; a locking mechanism 301 fitted with the nozzle support part 203 moved to the reagent container replacement position and fixes the nozzle support part 203 at the reagent container replacement position; and an unlocking mechanism 302 that releases fitting of the nozzle support part 203 and the locking mechanism 301 in a power-on state. When a reagent container 101 satisfies a predetermined condition, the unlocking mechanism 302 is controlled to release the fitting between the nozzle support part 203 and the locking mechanism 301, so that the nozzle support part 203 moves to the reagent suction position.

Abstract: Provided is an electrolyte analyzing device in which contamination caused by contacting different reagents with a suction nozzle is prevented when reagent replacement is performed by a user. The electrolyte analyzing device includes a reagent container setting unit 502 that sets a dilute solution bottle 101-1 which houses a dilute solution, an internal standard solution bottle 101-2 which houses an internal standard solution, and a reference electrode solution bottle 101-3 which houses a reference electrode solution. The reagent container setting unit includes a partition wall between the dilute solution bottle 101-1 and the internal standard solution bottle 101-2, and the reference electrode solution bottle 101-3 when the dilute solution bottle 101-1, the internal standard solution bottle 101-2, and the reference electrode solution bottle 101-3 are set.

Abstract: Provided is an automated analysis device equipped with a lid opening/closing mechanism with which it is possible to selectively open or close lids of a plurality of reagent containers, as well as to close all of the lids of the plurality of reagent containers, regardless of their current open/closed state. Each of a plurality of hooks 102 rotatably linked to a hook base part 104 has: a claw portion 203 which, when oriented to engage with a lid 101, causes force to act on the lid 101 in the opening direction; a basal part 202 which, when oriented to engage with the lid 101, causes force to act on the lid in the closing direction; and a closing protrusion 201 which, when oriented not to engage with the lid 101, causes force to act on the lid in the closing direction.

Abstract: The purpose of the present invention is to stably hold the lid of a reagent container in an open state without being influenced by reagent container lid opening and closing operations. An automated analyzer is provided with reagent containers 116-118, a cassette 100, a reagent container lid opening and closing mechanism, and a lid holding mechanism 131. The reagent containers 116-118 accommodate the reagent and have lids 101a-101c that pivot about a pivot point. The reagent containers 116-118 are mounted on the cassette 100. The reagent container lid opening and closing mechanism opens and closes the lids 101a-101c. The lid holding mechanism 131 holds the lids 101a opened by the reagent container lid opening and closing mechanism.

Abstract: A nozzle cleaner includes: a cleaning tank which stores a cleaning solution; a first conductive member that is disposed to be immersed into the cleaning solution stored in the cleaning tank when the nozzle is cleaned; an ultrasonic wave generating mechanism which is disposed so that at least a part of a second conductive member is immersed into the cleaning solution stored in the cleaning tank when the nozzle is cleaned and generates an ultrasonic vibration in the cleaning solution stored in the cleaning tank; a first voltage control unit which controls a potential applied to the first conductive member; and a second voltage control unit which controls a potential applied to the second conductive member, wherein the first voltage control unit applies a second potential V2 higher than a first potential V1 applied to the nozzle when the nozzle is cleaned to the first conductive member.

Abstract: The nozzle cleaning method includes the following steps: a first cleaning step in which a pre-pressurization liquid is discharged from a dispensing nozzle in a first cleaning position so as to clean the inside wall thereof and a first cleaning liquid is applied to the outside wall of the dispensing nozzle so as to clean said outside wall; a second cleaning step in which a second cleaning liquid is suctioned into the dispensing nozzle in a second cleaning position so as to clean the inside wall thereof; and a third cleaning step in which the second cleaning liquid is discharged from the dispensing nozzle in a third cleaning position so as to clean the inside wall thereof and a third cleaning liquid is applied to the outside wall of the dispensing nozzle so as to clean said outside wall.