316 results about "Automated analyzer" patented technology

The invention belongs to the technical field of detection methods, and provides a method for determining the content of amino acid in chyme in digestive tracts of livestock and poultry, which comprises the following steps: mixing a sample and a peroxyformic acid solution, and reacting to obtain an oxidation system; mixing the oxidation system, a hydrochloric acid solution and a chelating agent solution, and hydrolyzing to obtain a hydrolysis system; mixing the hydrolysis system and alkali liquor, then adjusting the pH value, and then mixing with acid liquor to obtain liquid to be detected; centrifuging the to-be-measured liquid, filtering, injecting a filtering system and the mixed amino acid standard liquid into an automatic amino acid analyzer, and measuring. According to the method, a certain amount of disodium ethylene diamine tetraacetate is added to chelate heavy metals in chyme in digestive tracts of livestock and poultry, and meanwhile, the heavy metals and redundant impurities are removed by adopting the steps of centrifuging, filtering and the like, so that the accuracy of amino acid detection is ensured, and the addicability of digestible amino acid content in daily ration is better. The hydrolysate is treated by adopting simple steps such as pH regulation and centrifugation, so that the operation process is simplified, and the operation error is reduced.

An interlock unit for preventing rotation from a closed position of a cover to an open position thereof, includes: a hollow case having a rectangular parallelepiped shape disposed at a position adjacent to an inner side surface of a casing, below an end part opposite to a support shaft at the closed position of the cover; an action member that is provided on an upper surface of the case, supported to be movable between a non-operating position and an operating position, and engaged with a protruding part provided on the cover at the operating position to inhibit the cover from rotating toward the open position; electromagnetic drive means provided below the action member to drive the action member; and drive connecting means for driving the action member by connecting the action member and the electromagnetic drive means and transmitting an operation of the electromagnetic drive means to the action member.

The present invention suppresses the occurrence of erroneous insertion of an emergency specimen by an operator or an inspection failure caused by such occurrence. Therefore, when a specimen container 103 is added to an installation mechanism 101 after analysis performed by an analysis unit is started, a control unit 7 performs control so that actions of the installation mechanism and a dispensing mechanism 4 are not executed. After the specimen container is added via an access unit 104, before a dispensing action performed by the dispensing mechanism is started, specimen data is read from an identification element by a reader 105 for each specimen container installed at the installation position of the installation mechanism, and the read specimen data and specimen data that is read from the identification element before the addition of the specimen container are compared.

To provide automatic analysis equipment in which arm structure sucking and transferring a reagent or a sample is downsized.SOLUTION: Automatic analysis equipment according to the present embodiment comprises: a reaction portion; a suction and transfer arm; and a holding-down and puncturing arm. The suction and transfer arm sucks a reagent or a sample transfers the same to a reaction portion. The holding-down and puncturing arm holds down a container housed with the sample, and punctures a lid of the container. The holding-down and puncturing arm includes: a puncturing portion; a driving portion; and a positioning portion. The puncturing portion moves in a first direction and punctures the lid of the container, and moves in a second direction and cleans the puncturing portion. The driving portion drives the puncturing portion in such a manner that the driving portion moves the puncturing portion in the first direction. The positioning portion holds the puncturing portion, holds down the puncturing portion in conjunction with puncturing the lid of the container by the puncturing portion, and stays not to be lifted when the container separates from the puncturing portion.SELECTED DRAWING: Figure 3

An automated analyzer that receives samples prepared for analysis in an automated pre-analytical module and a method of operation of such automated analyzer. The automated analyzer includes a shuttle transfer station that receives a shuttle carrier from the automated pre-analytical system. The shuttle transfer station has a clamping assembly for the shuttle. The clamping assembly has jaws that advance engagement members into contact with a bottom portion of sample containers disposed in the shuttle. The clamping assembly secures the sample containers in the shuttle when sample is aspirated from the sample containers. The automated analyzer also has a multichannel puncture tool that is adapted to be carried by a robotic gripper mechanism. The multichannel puncture tool has multiple puncture members that each defines a channel. Each channel is in communication with a different trough in the consumable. A pipette can pass through the channel in the puncture tool.

Provided is an automated analyzer comprising a reagent cooler such that it is possible to cool the entire interior of the reagent cooler with one refrigeration device while also preventing condensation in the reagent cooler.　This automated analyzer comprises: a reagent cooler that cools a plurality of reagent containers; a heat pipe that is provided inside the reagent cooler and cools the interior of the reagent cooler; a cooling device that cools the heat pipe; a dehumidification pipe that conveys air from the exterior of the reagent cooler and discharges the same from an end thereof into the reagent cooler interior, at least one section of said dehumidification pipe being in contact with or in the vicinity of the heat pipe; and a first drain that drains, to the exterior of the reagent cooler, condensation water which drains from the end of the dehumidification pipe.

This invention discloses a high-precision automatic analyzer and a water quality analysis method. The method includes acquiring images of water samples and preprocessing them; identifying and removing bubbles and particles from the preprocessed images; identifying the liquid surface shape based on the image after bubble and particle removal; acquiring optical measurement data and calculating optical characteristic parameters; and correcting the optical characteristic parameters based on the liquid surface shape recognition results. The optical characteristic parameters include scattering coefficient, light-absorbing particle interaction parameters, temperature drift, and optical path length. Based on the corrected optical characteristic parameters, the concentration result is calculated. This invention overcomes interference caused by scattering, bubbles and particles, and temperature drift, improving the accuracy and reliability of optical water quality analysis.

1. The name of the design product: reagent package (bottle). 2. The use of the design product: for use in chemiluminescence full-automatic analyzer detection. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The present disclosure provides sample processing devices (100, 100 ', 100' ') for transferring one or more patient samples or portions thereof from at least one sample tube (20) to at least one reaction vessel (22) within an automatic analyzer (50, 50'). A sample processing apparatus (100, 100 ', 100' ') includes a sample presentation unit (102) associated with an automatic analyzer (50) and configured to receive a plurality of holders (26) into the automatic analyzer (50). Each of the plurality of holders (26) is configured to receive and hold at least one sample tube (20). The sample processing device (100, 100 ', 100' ') further includes a linear slide (114) configured to be selectively mounted to a mount of the automatic analyzer (50) at a first position (P1) and a second position (P2) different from the first position (P2). The sample processing device (100, 100 ', 100' ') further includes a pipetting module (112) configured to travel along the linear slide (114) and to transfer the one or more patient samples or portions thereof to at least one reaction vessel (22) within the automatic analyzer (50, 50').

The present invention provides an automated analyzer including a reaction cell that accommodates a specimen, an ultrasonic transducer that irradiates the specimen inside the reaction cell with ultrasonic waves, and a control device that controls the ultrasonic transducer. The control device measures electrical impedance while changing over time a drive frequency, which is the frequency of voltage applied to the ultrasonic transducer, and diagnoses the state of the ultrasonic transducer or the reaction cell on the basis of time-series data of the electrical impedance. The control device records, for example, correlation data in which sequentially acquired measurement values of the electrical impedance are associated with measurement time and the drive frequency that are related to the measurement values, and generates a measurement value of the electrical impedance with respect to a time axis as the time-series data.

The automatic analyzer includes: an analyzing unit that analyzes a sample; and a control device that controls operation of each mechanism of the analyzing unit. The control device calculates waiting time for which a user must wait before replacing the sample or a consumable necessary for analyzing the sample based on time when the sample or the consumable is last used in an analysis schedule that has been created at a point when the control device receives a replacement request for the sample or the consumable. It can be to provide an automatic analyzer capable of improving work efficiency, and a method for operating the automatic analyzer.

The invention provides an automatic analysis device capable of improving the degree of freedom of the rotation action of a reaction disc. The sum of the rotation amounts of the reaction disc (1) in a device cycle of the automatic analysis device is determined. The device cycle includes: a photometric rotation period (401) in which the reaction disc is rotated by one or more turns; and a first alignment rotation period (402) and a second alignment rotation period (403) for stopping the reaction disc at a position corresponding to the sum at the end of the device cycle.

Provided is an automated analyzing device capable of preventing erroneous detection by a detecting portion for monitoring an amount of waste liquid, by detecting contamination within a measuring portion and executing a cleaning operation. An automated analyzing device 100 comprises: a pre-processing portion 101 that pre-processes a specimen; an analyzing portion 102 that analyzes the specimen; a measuring portion 103 that measures the amount of waste liquid generated by the pre-processing portion 101 and the analyzing portion 102; and a control portion 110 that controls the operation of the measuring portion 103. The measuring portion 103 includes a storage tank 201 for temporarily storing the waste liquid, and a waste liquid amount determining portion 203a, 203b for measuring the waste liquid stored in the storage tank 201. The control portion 110 determines contamination of at least the storage tank 201 of the measuring portion 103 on the basis of determination information from the waste liquid amount determining portion 203a, 203b.

Provided is an automatic analyzer capable of simplifying control of a holding unit that holds a plurality of containers having access to an aspiration nozzle whose position is fixed and that rotates and moves up and down. The automatic analyzer includes an aspiration nozzle whose position is fixed and that aspirates reaction liquid or reagent, and a holding unit that holds a plurality of containers accommodating the reaction liquid or the reagent, and that rotates and moves t up and down. The holding unit holds at least three of the containers, and an angle between adjacent containers is an integer multiple of a predetermined angle. The angle between adjacent containers is an angle between adjacent containers in a circumferential direction and an angle around a rotation center of the holding unit.

The purpose of the present invention is to suppress the replacement frequency of a cleaning solution in an automatic analysis device using a plurality of cleaning solutions, and a method for controlling the same. An automatic analysis device according to the present invention comprises: a dispensing probe that sucks and discharges at least one of a reagent and a sample; the liquid conveying mechanism is used for conveying first cleaning liquid and second cleaning liquid which are used for cleaning the dispensing probe respectively; different types of cleaning liquid areas in which the first cleaning liquid and the second cleaning liquid can exist; and a storage unit (referring to Figure 5) that stores the type of cleaning fluid present in the different type of cleaning fluid region.

A self-cleaning and base line stabilizing device of an automatic nutritive salt analyzer comprises a reaction assembly used for mixing a sample liquid sample, air and a corresponding reaction reagent to complete a chromogenic reaction; the light splitting detector is connected with the output end of the reaction assembly through a first connecting pipe; the cleaning assembly at least comprises a change-over valve, a second connecting pipe and a first peristaltic pump, the change-over valve is arranged on the first connecting pipe and located between the reaction assembly and the light splitting detector, one end of the second connecting pipe is connected with the change-over valve, the other end of the second connecting pipe can be connected with a reagent bottle filled with hydrochloric acid, and the second connecting pipe is sleeved with the first peristaltic pump. According to the method, pollution caused by adsorption of the flow cell can be actively prevented, the whole process only needs short time, baseline drift caused by adsorption of the chromogenic complex is prevented, the working efficiency is remarkably improved, and finally synchronous improvement of the determination efficiency and the data stability is achieved.

The purpose of the present invention is to provide a processing device capable of filtering a liquid without increasing the size of the device. To achieve this, a processing device according to the present invention comprises: a placement part on which a first container having a first opening on an upper surface and accommodating a liquid is placed; a pressing part that presses a second container having a filter on a bottom surface and a second opening on an upper surface downward against the first container through the first opening; and a nozzle that suctions filtrate transferred from the first container to the second container through the filter. The nozzle is constructed to move vertically in conjunction with vertical movement of the pressing part.

1. Name of the product in this design: Body of an electronic device with a graphical user interface for displaying remaining quantity information. 2. Application of this design: This product is used in electronic equipment, specifically in automated analyzers for analyzing samples, to display information related to the analysis. The solid line represents the main body of the electronic device's graphical user interface, which displays remaining information. 3. The key design features of this product are the graphical user interface content shown by the solid lines in the main view. 4. The image or photograph that best illustrates the design's key features: the front view. 5. The remaining parts are standard designs, omitting the rear view, left view, right view, top view, and bottom view. 6. Purpose of the graphical user interface: This interface is used in automated analysis devices, such as those used in hospitals or examination centers. The overall interface is used to display information related to the analysis. The portion shown by the solid line is used to display the remaining quantity along with the icons representing consumable categories, and to display the accumulated amount of waste and the empty quantity of the waste container along with the icons representing waste containers. Each cell at the top of the interface has a status information display area. From near the center of the screen to the bottom, there is an area displaying a remaining quantity chart along with icons representing consumable categories, and an area displaying icons representing waste containers, as well as charts showing the accumulated amount of waste and the remaining quantity of waste containers. (As a remaining amount relative to the amount of waste accumulated, know the amount of empty space until the waste container must be replaced.) The interface has an operation button display area at the bottom and an operation menu area on the right side. In the consumable category icon and remaining quantity chart display area, reagents sometimes do not display category icons. 7. Other situations requiring explanation: In the view, the solid lines indicate the parts that require protection, and the dashed lines indicate the text parts that do not require protection. The gray areas with varying degrees of brightness in the view are not used to represent color, but rather to express differences in brightness.

The application discloses an automatic analyzer for detecting aniline compounds in liquid and a determination method, and realizes automatic and rapid determination of aniline compounds in liquid samples through the design, connection and control of flow paths and structures, and the analysis processes such as automatic sampling, reagent adding, mixing reaction and spectrophotometric detection, so that reagent consumption and waste liquid discharge are reduced, and the analysis detection sensitivity, accuracy and precision are improved.

The present invention is configured as follows in order to provide an automatic analysis device which achieves high reliability by avoiding suction / discharge of a sample in an abnormal state.　The automatic analysis device comprises: a probe for dispensing a liquid; a probe movement mechanism that moves the probe; a jig for adjusting the position of the probe, the jig being disposed on a movement trajectory of the probe; and a sensor for detecting contact between the jig and the probe. The jig includes: a position adjustment space having a substantially cylindrical shape, for adjusting the position of the probe by moving the probe in a horizontal direction in a state in which the probe is inserted and detecting contact with the probe by the sensor; and a position adjustment tolerance confirmation space having a substantially cylindrical shape with a diameter that is smaller than that of the position adjustment space, for confirming a position tolerance of the probe on the basis of a detection result of the presence or absence of contact between the probe and the jig by the sensor when the probe is lowered.

A pretreatment method of an automatic analyzer, in which pretreatments of a plurality of substances to be measured can be performed by a series of treatments using a plurality of magnetic beads that can bind to the plurality of substances to be measured, is achieved. In the pretreatment method of an automatic analyzer, a magnetic bead is added to a sample containing a substance to be measured, the substance to be measured is bound to the magnetic bead, the magnetic bead is extracted from the sample, and the substance to be measured is separated from the magnetic bead by an eluate. A plurality of magnetic beads that bind to a plurality of types of substances to be measured are added to a sample, and the plurality of types of substances to be measured are extracted from the magnetic bead by an eluate.

The invention provides a sample adding method of an automatic analysis instrument and the automatic analysis instrument. The sample adding method comprises the following steps: dividing cycle time into a time slice s1 to a time slice s6 in sequence; adding a sample to the reaction cup in the first target hole position of the sample needle operation position within the s1 time slice; s2, rotating the first target hole position to a reagent needle operation position in the time slice; s3, adding a reagent into the reaction cup in the first target hole site within the time slice; s4, the first target hole position is rotated to the uniform mixing operation position within the time slice; s5, uniformly mixing the reaction cups in the first target hole position within the time slice, moving the reaction cups which are currently positioned in a second target hole position of the gripper operation position and are uniformly mixed in the previous sample adding process to the incubation plate, and grabbing a new reaction cup and putting the new reaction cup into the second target hole position; and s6, rotating the second target hole position to the sample needle operation position within the time slice, wherein the roles of the first target hole position and the second target hole position are exchanged in the next sample adding process. The automatic analysis instrument adopts the sample adding method. According to the invention, the average time of a single sample adding process can be shortened, and the accuracy of an instrument analysis detection result can be improved.

In order to improve the detection sensitivity of flow rate measurements in a low-pressure, low flow rate cleaning system of an automatic analysis device, the present disclosure proposes a control method for an automatic analysis device comprising a liquid delivery pump that delivers a cleaning liquid to a cleaning mechanism of a dispensing nozzle through a flow channel, and a control unit that controls operation of the liquid delivery pump. The control method comprises: operating the liquid delivery pump through the control unit to deliver the cleaning liquid to a low-pressure flow channel that constitutes at least a portion of the flow channel and is of a low pressure and a low flow rate; and operating, through the control unit, a flow rate estimating mechanism arranged in the low-pressure flow channel to determine a value of an estimated flow rate in the low-pressure flow channel (see fig. 2).

The present invention provides an automatic analysis system whereby the time from when a specimen is received to when a result is output can be reduced even when an automatic analyzer is in a standby state. Provided is an automatic analysis system comprising an automatic analyzer for analyzing a patient specimen, a conveyance device for conveying the specimen to the automatic analyzer, and a control unit for controlling the automatic analyzer and the conveyance device, the automatic analysis system being characterized in that the control unit causes the automatic analyzer in a standby state to transition to an operation state when patient information is received from a medical information system or the conveyance device.

The purpose of the present invention is to provide an automated analyzer and an adjustment method which are capable of accurately adjusting the liquid amount of a probe cleaner in a short time. To this end, the present invention is an automated analyzer which discharges, during cleaning of a dispensing probe, a reference amount of a probe cleaner from a cleaning nozzle while the tip of the dispensing probe is at a cleaning position. When setting, as a first adjustment position, a position which is lower than the cleaning position and at which the horizontal distance from the cleaning nozzle is greater than from the cleaning position, and a liquid contact is detected when the tip of the dispensing probe is present at the position and the reference amount of the probe cleaner is discharged, a control unit, upon adjusting the liquid amount of the probe cleaner discharges the probe cleaner while the tip of the dispensing probe is at the first adjustment position to confirm whether the liquid contact has been detected, discharges the probe cleaner while the tip of the dispensing probe is positioned above or downstream of the first adjustment position to confirm whether the liquid contact has been detected, and determines, on the basis of the confirmation results, the setting of a liquid amount adjustment means required for setting the liquid amount of the probe cleaner to the reference liquid amount.

The invention discloses a detection method and a kit for calculating the ratio of serum (plasma) complements C3, C4 and C5 and urine complements C3, C4 and C5 to urine creatinine, which are innovatively developed on a full-automatic analyzer with a touch screen. The method realizes full-automatic detection of an instrument, is simple, convenient and rapid to operate, has stable and reliable performance of the kit, is a good helper for targeted prevention and treatment of complement-related diseases and clinical accompanying diagnosis and treatment, and opens up a new direction for clinical application of multi-item detection of an in-vitro diagnostic technology complement system.

An automatic analyzer for analyzing samples comprising an immersion tube configured to retrieve a reagent stored in a reagent vessel and a lifting device configured to lift and lower the immersion tube. The lifting device comprises a guide rail on which the immersion tube is moveable between a lowered position, in which the immersion tube is immersed into the reagent vessel, and a lifted position, in which the immersion tube is retracted from the reagent vessel, and at least one biasing member configured to bias the immersion tube towards the lowered position with a predetermined biasing force. The analyzer further comprises a detector configured to detect an identity of the reagent, and a locking device configured to lock the immersion tube in the lifted position and so the immersion tube is moved towards the lowered position only if the reagent identity detected by the detector corresponds to a target identity.

The purpose of the present invention is to provide: an automated analyzer which makes it possible to reduce the amount of a cleaning agent used for cleaning a reaction vessel or a dispensing probe; and a method for cleaning the automated analyzer. To this end, an automated analyzer according to the present invention comprises: a dispensing probe which suctions a liquid that contains a sample and discharges the liquid into a reaction vessel; a control unit which estimates the viscosity of the liquid; and a sensor which is used for estimation of the viscosity. The control unit changes the concentration of a cleaning agent that is used for cleaning of the reaction vessel or the dispensing probe on the basis of the estimated viscosity. A cleaning method according to the present invention includes: a step in which the control unit estimates the viscosity of the liquid on the basis of a value detected by the sensor during suction of the liquid; and a step in which the control unit changes the concentration of a cleaning agent that is used for cleaning of the reaction vessel or the dispensing probe on the basis of the estimated viscosity.