JP6289021B2 - Automatic analyzer - Google Patents

Description

  Embodiments described herein relate generally to an automatic analyzer that dispenses a sample collected from a subject and analyzes components contained in the sample.

  Tests using automatic analyzers target biochemical test items, immunological test items, etc., and optically detect changes in color and turbidity caused by the reaction of the mixture of the sample collected from the specimen and the reagent used to analyze each test item. Measure automatically. By this measurement, analytical data represented by the concentrations of various test item components in the sample, enzyme activities, and the like are generated.

  The automatic analyzer includes an analysis unit in which a sample is dispensed and a transport unit for moving a rack that holds a sample container in which the sample is stored. The transport section is guided to a loading lane arranged on one side in the width direction of the analysis section on which the rack before sample dispensing is placed and a position where the analysis section can dispense the sample. Dispensing of the sample is completed, the dispensing lane arranged on one side in the depth direction of the analyzing unit, the waiting lane arranged on the other side in the width direction of the analyzing unit where the rack on which the sample is dispensed waits Some racks are provided with a collection lane disposed adjacent to a standby lane in the width direction of the analysis unit from which the rack is collected.

  By the way, if the analysis data generated by the measurement of the dispensed sample and the reagent mixture of the test item set for this sample is out of the range set in advance as the retest parameter, the sample is again dispensed. Re-inspection is performed. For this reason, the rack having the sample in which the inspection item to be retested is set is moved to the waiting lane until analysis data is generated after the first sample is dispensed.

JP 2004-28588 A

  However, since the input lane, the standby lane, and the recovery lane are arranged in the width direction of the analysis unit, there is a problem that the width is increased and the size is increased.

  The embodiment has been made to solve the above-described problems, and an object thereof is to provide an automatic analyzer that can prevent an increase in size.

  In order to achieve the above object, an automatic analyzer according to an embodiment is an automatic analyzer having an analyzer that dispenses a sample in a sample container held in a sample rack into a reaction container. A dispensing lane provided so that the sample rack can be moved to a position where dispensing can be performed, and the sample rack arranged in parallel in the vicinity of the dispensing lane and where the sample has been dispensed by the analyzer A standby lane provided so as to be able to be placed, and the sample rack on one of the dispensing lane or the standby lane, and the other of the sample rack and the other lane so that their longitudinal directions are parallel to each other. And a moving mechanism that moves on the lane.

The block diagram which shows the structure of the automatic analyzer which concerns on embodiment. The perspective view which shows the structure of the analysis part which concerns on embodiment. FIG. 6 is a top view illustrating an example of a configuration of a transport unit according to the embodiment. The figure which shows an example of a structure of the sample rack which concerns on embodiment. A side view showing an example of composition of an up-and-down movement mechanism concerning an embodiment. The figure which shows the position in the bottom dead center of the support arm of the vertical movement mechanism which concerns on embodiment. The figure which shows the position in the top dead center of the support arm of the vertical movement mechanism which concerns on embodiment. The figure which shows the example which additionally arranged the waiting lane in the conveyance part which concerns on embodiment. The top view which shows an example of a structure of the rotational movement mechanism which concerns on embodiment. The top view which shows an example of the conveyance part corresponding to the some analysis part which concerns on embodiment. The block diagram which shows an example of the moving mechanism part corresponding to the some analysis part which concerns on embodiment.

  Hereinafter, embodiments will be described with reference to the drawings.

  FIG. 1 is a block diagram illustrating a configuration of an automatic analyzer according to the embodiment. The automatic analyzer 100 dispenses a sample such as a standard sample or a test sample and a reagent for each inspection item, and an analyzer 10 that measures a mixed solution of the sample and the reagent, and can be dispensed by the analyzer 10. A transport unit 40 having a plurality of lanes for guiding a sample to a position or the like, and a drive unit 50 for driving each analysis unit of the analysis unit 10 are provided.

  Further, the automatic analyzer 100 controls the moving mechanism unit 51 that moves the sample before being dispensed or the sample that has been dispensed to each lane of the transport unit 40, the driving unit 50, and the moving mechanism unit 51. And an analysis control unit 52. In addition, the data processing unit 60 that generates standard data and analysis data by processing standard data and test data generated by measurement of a mixed solution containing a standard sample and a test sample in the analysis unit 10, and a data processing unit 60 And an output unit 70 that prints out and displays the calibration data and analysis data generated in (1).

  Further, the automatic analyzer 100 uses the input for setting the analysis parameters for generating the analysis data of each inspection item, and the analysis data generated by the first sample dispensing by the analysis unit 10 for the second time by the analysis unit 10. For setting the reinspection parameters for the inspection items to be reexamined, which may cause reinspection to be performed by performing the redispensing, and the sample causing the analyzer 10 to perform dispensing and measurement An operation unit 80 for performing input and the like for setting a sample ID for identifying a test item and an inspection item for the sample, and a system control unit 90 for controlling the analysis control unit 52, the data processing unit 60, and the output unit 70 in an integrated manner. I have.

  FIG. 2 is a perspective view showing the configuration of the analysis unit 10. The analysis unit 10 stores a sample table 12 that holds a sample container 11 in which a standard sample is stored, and each inspection item, for example, a first reagent and a two reagent system first reagent and a two reagent system second reagent. A reagent container 13 and a reagent storage 15 for keeping the reagent container 13 containing the first reagent cold are provided. In addition, a reagent storage 16 that keeps the reagent container 13 containing the second reagent cold, two reagent racks 14 arranged in the reagent storages 15 and 16 that hold the reagent container 13 movably, and a circumference A reaction table 18 holding a plurality of reaction vessels 17 arranged is provided.

  Further, a sample such as a standard sample in the sample container 11 held on the sample table 12 or a test sample in the sample container 11 held in the sample rack 31 on the transport unit 40 is sucked into the reaction container 17. A sample dispensing probe 19 that performs dispensing to be discharged and a sample dispensing arm 20 that holds the sample dispensing probe 19 so as to be able to rotate and move up and down are provided. In addition, the first reagent dispensing probe 21 for dispensing the first reagent in the reagent container 13 held in the reagent rack 14 and sucking it into the reaction container 17 and the first reagent dispensing probe 21 are rotated. And a first reagent dispensing arm 22 that is held so as to be movable and vertically movable.

  Also, a first stirrer 23 that stirs the mixed solution of the sample and the first reagent dispensed in the reaction container 17, and a first stirrer arm 24 that holds the first stirrer 23 so as to be capable of rotating and moving up and down. It has. In addition, the second reagent dispensing probe 25 for dispensing the second reagent in the reagent container 13 held in the reagent rack 14 and sucking it into the reaction container 17 and the second reagent dispensing probe 25 are rotated. And a second reagent dispensing arm 26 that can be moved and moved up and down.

  In addition, a second stirrer 27 that stirs the sample dispensed in the reaction vessel 17, a mixed solution of the first reagent and the second reagent, and a second stirrer 27 that holds the second stirrer 27 so as to be able to rotate and move up and down. And a stirring arm 28. Further, a measuring unit 29 that optically measures the mixed liquid in the reaction vessel 17 and a cleaning nozzle 30 that cleans the inside of the reaction vessel 17 that has been measured by the measuring unit 29 are provided.

  Then, the measurement unit 29 irradiates the reaction container 17 with light, and, for example, changes in absorbance and absorbance are detected based on a detection signal that detects light transmitted through the mixed solution containing the standard sample and the test sample in the reaction container 17. Generate standard data and test data expressed in quantities. Then, the generated standard data and test data are output to the data processing unit 60.

  FIG. 3 is a top view illustrating an example of the configuration of the transport unit 40. The transport unit 40 has an input lane 41 disposed close to the right side of the analysis unit 10 so that the longitudinal direction is parallel to the front-rear direction of the analysis unit 10, and the longitudinal direction is parallel to the left-right direction of the analysis unit 10. In this way, a dispensing lane 42 is provided in front of the analysis unit 10. Further, the standby lane 43 disposed in the vicinity of the dispensing lane 42 so that the longitudinal directions thereof are parallel to each other, and the proximity of the left side of the analysis unit 10 so that the longitudinal direction is parallel to the front-rear direction of the analysis unit 10. Recovery lane 44.

  The transport unit 40 is disposed between the input lane 41 and the dispensing lane 42 and reads the rack ID written on the sample rack 31 and the sample ID written on the sample container 11 held in the sample rack 31. A reader 45 is provided. In addition, a plurality of detectors 46 are provided which detect the sample rack 31 placed on the standby lane 43 and placed on the standby lane 43.

  The input lane 41 is arranged on one side of the dispensing lane 42 in the longitudinal direction, and the sample rack 31 before the sample is dispensed by the analyzer 10 is placed thereon. Here, the sample rack 31 placed on the loading lane 41 is moved in the direction of the arrow L1 which is the forward direction by the moving mechanism 51, stopped at the loading position Ta on the loading lane 41, and further loaded. It moves from the position Ta in the direction of the arrow L2 which is the left direction via the front of the reader 45, and is placed at the loading position Tb on the dispensing lane 42 so that the longitudinal directions are parallel to each other.

  The dispensing lane 42 is provided so that the sample rack 31 can be moved to a dispensing position Tc where the analysis unit 10 can dispense a sample, and the length in the short direction is longer than the length in the longitudinal direction of the sample rack 31. For example, a belt wound around a part of the moving mechanism unit 51, for example, having a length in the longitudinal direction shorter than the length in the longitudinal direction of the analysis unit 10. Then, it is arranged between the input lane 41 and the recovery lane 44. Here, the sample rack 31 at the loading position Tb placed on the dispensing lane 42 from the loading position Ta by the moving mechanism 51 is moved in the L2 direction and set by the sample dispensing probe 19 at the dispensing position Tc. After the first dispensing of each inspection item, the sample is stopped at the unloading position Td.

  In this way, the sample rack 31 is moved onto the dispensing lane 42 so that the longitudinal directions thereof are parallel to each other, and the sample rack 31 on the dispensing lane 42 is moved in the longitudinal direction, thereby shortening the dispensing lane 42. The length in the hand direction can be shortened. Then, by arranging the dispensing lane 42 close to the analysis unit 10 so that the longitudinal direction is parallel to the left-right direction of the analysis unit 10, the length of the unit composed of the analysis unit 10 and the transport unit 40 in the front-rear direction is set. Can be suppressed.

  The standby lane 43 is provided so that the sample rack 31 on which the sample is dispensed by the analysis unit 10 can be placed, and the length in the short direction is shorter than the length in the longitudinal direction of the sample rack 31. The length of the direction is constituted by, for example, a flat plate whose length is equal to or less than the length of the analysis unit 10 in the longitudinal direction. Then, it is arranged between the input lane 41 and the recovery lane 44.

  Here, among the sample racks 31 at the unloading position Td where the first sample is dispensed by the analysis unit 10, there are inspection items to be retested that may be dispensed a second time by the analysis unit 10. The sample rack 31 holding the set sample container 11 is rotated 180 degrees in the direction of the arrow R1 by the moving mechanism 51 and then moved in the direction of the arrow L3, which is the right direction. It is placed on the waiting lane 43 so that the directions are parallel to each other.

  In addition, among the sample racks 31 in which the first sample is dispensed by the analysis unit 10 placed on the standby lane 43, the inspection items to be retested that are subjected to the second dispensing by the analysis unit 10 are as follows. The sample rack 31 holding the set sample container 11 that holds the sample is moved from the standby lane 43 to the rotation position Tf in the L3 direction by the moving mechanism 51, and rotated 180 ° in the direction of the arrow R2 at the rotation position Tf. After being moved, it is further moved in the L2 direction and placed at the loading position Tb on the dispensing lane 42 so that the longitudinal directions thereof are parallel to each other.

  In addition, among the sample racks 31 in which the first sample is dispensed by the analysis unit 10 placed on the standby lane 43, the second dispensing by the analysis unit 10 is unnecessary, that is, the sample that does not need re-examination. Is moved from the standby lane 43 to the rotational position Tg by the moving mechanism 51 and is rotated by 180 ° in the direction opposite to the R1 direction at the rotational position Tg. Further, it is moved in the L2 direction and placed at the collection position Te on the collection lane 44.

  Note that the sample rack 31 holding the sample container 11 containing a sample that does not require a second dispensing by the analysis unit 10, that is, a sample that does not need to be retested, is moved from the standby lane 43 to the rotation position Tf by the moving mechanism unit 51. Then, after rotating 180 degrees in the R2 direction at the rotational position Tf, the rotational position Tf may be moved to the L2 direction and placed at the collection position Te on the collection lane 44.

  In addition, among the sample racks 31 at the unloading position Td where the first sample is dispensed by the analysis unit 10, the second dispensing is unnecessary in the analysis unit 10, that is, inspection items to be retested are set. The sample rack 31 that holds the sample container 11 that contains no sample is moved in the L2 direction from the unloading position Td by the moving mechanism 51, and then placed on the recovery position Te on the recovery lane 44.

  Thus, by moving the sample rack 31 onto the standby lane 43 so that the longitudinal directions are parallel to each other, the length of the standby lane 43 in the short direction can be shortened. Then, by arranging the standby lane 43 in the vicinity of the dispensing lane 42 so that the longitudinal directions are parallel to each other, the length in the front-rear direction of the unit including the analysis unit 10 and the transport unit 40 can be suppressed. Further, by disposing the dispensing lane 42 and the standby lane 43 between the input lane 41 arranged on one side in the longitudinal direction of the dispensing lane 42 and the collection lane 44 arranged on the other side, the analyzing unit 10 and the conveying unit 40 can The length of the unit in the left-right direction can be shortened.

  Further, when a predetermined position of the standby lane 43 is set in advance as an emergency position, and the sample rack 31 holding the sample container 11 in which the emergency sample is stored is placed by the operator at the emergency position, the detector 46 The sample rack 31 at the emergency position detected by the above may be preferentially moved to the dispensing lane 42 to dispense the emergency sample.

  Further, when a trouble occurs in the movement operation of the sample rack 31 in one of the input lane 41 and the collection lane 44, for example, the standby lane 43 may be temporarily replaced as one lane. Thereby, the standby lane 43 can be effectively used for multiple purposes as required.

  The collection lane 44 is arranged on the other side in the longitudinal direction of the dispensing lane 42, and the sample rack 31 after the sample dispensing by the analyzer 10 is placed is placed. Here, the sample rack 31 at the collection position Te is moved in the arrow L4 direction, which is the rear direction, by the moving mechanism 51.

  The reader 45 reads the rack ID written on the sample rack 31 moving forward in the L2 direction and the sample ID written on the sample container 11 by the moving mechanism unit 51 and outputs them to the analysis control unit 52. Further, the detector 46 detects the sample rack 31 placed on the standby lane 43 by the movement mechanism unit 51 and outputs position information indicating the position of the sample rack 31 on the standby lane 43 to the analysis control unit 52. To do.

  The drive unit 50 illustrated in FIG. 1 drives the sample table 12 of the analysis unit 10 to move the sample container 11. Further, the reagent rack 14 is driven to rotate the reagent container 13. Further, the reaction table 18 is driven to rotate the reaction vessel 17. Further, the sample dispensing arm 20, the first reagent dispensing arm 22, the second reagent dispensing arm 26, the first stirring arm 24, and the second stirring arm 28 are respectively rotated and driven up and down to sample dispensing. The probe 19, the first reagent dispensing probe 21, the second reagent dispensing probe 25, the first stirring bar 23, and the second stirring bar 27 are rotated and moved up and down. Further, the cleaning nozzle 30 is moved up and down.

  The moving mechanism unit 51 includes first to fourth moving mechanisms 53 to 56 that move the sample rack 31 of the transport unit 40. The first moving mechanism 53 includes, for example, an arm disposed on the loading lane 41 of the transport unit 40 that contacts the back surface of the sample rack 31 and the loading lane 41 that moves and drives this arm in the longitudinal direction of the loading lane 41. The driving mechanism is arranged on the lower side. Then, as shown in FIG. 3, the sample rack 31 placed on the loading lane 41 is slid and moved in the L1 direction, and stopped at the loading position Ta.

  The second moving mechanism 54 is disposed between the input lane 41, the dispensing lane 42, the recovery lane 44, and the standby lane 43 of the transport unit 40. The vertical movement mechanism 57 that moves the sample rack 31 in the vertical direction, the rotary movement mechanism 58 that rotates the sample rack 31 that has been moved to the upper stop position in the upward direction by the vertical movement mechanism 57, and the vertical movement mechanism 57 The sample rack 31 moved to the upper stop position is constituted by a linear moving mechanism 59 that linearly moves between the input lane 41 and the recovery lane 44 along the dispensing lane 42 and the standby lane 43.

  As shown in FIG. 3, the vertical movement mechanism 57 moves the sample rack 31 stopped at the input position Ta on the input lane 41 upward to the upper stop position. In addition, the sample rack 31 that has moved from the loading position Ta to the upper stop position moves downward and is placed on the loading position Tb on the dispensing lane 42. Further, the sample rack 31 stopped at the carry-out position Td on the dispensing lane 42 is moved upward to the upper stop position.

  The vertical movement mechanism 57 moves the sample rack 31 moved from the carry-out position Td to the upper stop position downward and places it on the standby lane 43 that can be detected by the detector 46 of the transport unit 40. Further, the sample rack 31 on the standby lane 43 is moved upward to the upper stop position. Further, the sample rack 31 moved from the carry-out position Td to the upper stop position is moved downward and placed on the collection position Te on the collection lane 44.

  As shown in FIG. 3, the rotary moving mechanism 58 is configured so that the sample rack 31 moved from the unloading position Td to the upper stop position by the vertical moving mechanism 57 is parallel to the longitudinal direction of the sample rack 31 and the standby lane 43. As shown in FIG. Further, the sample rack 31 moved from the standby lane 43 to the upper stop position by the vertical movement mechanism 57 is moved in the R2 direction at the rotation position Tf so that the longitudinal directions of the sample rack 31 and the dispensing lane 42 are parallel to each other. Move 180 degrees. Further, the sample rack 31 moved from the standby lane 43 to the upper stop position by the vertical movement mechanism 57 is moved in the R1 direction at the rotation position Tg so that the longitudinal directions of the sample rack 31 and the dispensing lane 42 are parallel to each other. Is rotated 180 ° in the opposite direction.

  As shown in FIG. 3, the linear movement mechanism 59 moves the sample rack 31 moved from the loading position Ta to the upper stop position by the vertical movement mechanism 57 in the L2 direction, and dispenses the lane 42 via the front of the leader 45. Stop near the loading position Tb. In addition, after the vertical movement mechanism 57 moves from the unloading position Td to the upper stop position, the sample rack 31 rotated in the R1 direction by the rotary movement mechanism 58 can be moved in the L3 direction and placed on the standby lane 43. Stop near the position.

  Further, the linear movement mechanism 59 moves the sample rack 31 moved from the standby lane 43 to the upper stop position by the vertical movement mechanism 57 in the L3 direction and stops at the rotation position Tf, and rotates in the R2 direction by the rotation movement mechanism 58. After moving, it moves in the L2 direction and stops near the carry-in position Tb or the collection position Te. The sample rack 31 moved from the standby lane 43 to the upper stop position by the vertical movement mechanism 57 is moved in the L2 direction and stopped at the rotation position Tg, and is rotated and moved in the direction opposite to the R1 direction by the rotation movement mechanism 58. After that, it moves in the L2 direction and stops near the collection position Te.

  The third moving mechanism 55 includes two pulleys around which the dispensing lane 42 is wound and a motor that rotationally drives the pulleys. Then, the sample rack 31 placed at the carry-in position Tb on the dispensing lane 42 by the up-and-down moving mechanism 57 of the second moving mechanism 54 is moved in the L2 direction by driving the dispensing lane 42, and the dispensing position. Stop at Tc or unloading position Td.

  The fourth moving mechanism 56 includes an arm disposed on the recovery lane 44 of the transport unit 40 that contacts the front surface of the sample rack 31 and a lower side of the recovery lane 44 that drives the arm to move in the longitudinal direction of the recovery lane 44. It is constituted by an arranged drive mechanism. Then, as shown in FIG. 3, the sample rack 31 placed at the collection position Te on the collection lane 44 is slid by the vertical movement mechanism 57 of the second movement mechanism 54 and moved in the L4 direction.

  The analysis control unit 52 includes input information such as an analysis parameter, a re-inspection parameter, a sample ID, and an inspection item set for the sample identified by the sample ID input from the operation unit 80, the transport unit 40. The driving unit 50 and the moving mechanism unit 51 are controlled based on the rack ID and sample ID output from the reader 45 and the position information of the sample rack 31 output from the detector 46 of the transport unit 40.

  The data processing unit 60 processes the standard data and test data generated by the measurement unit 29 of the analysis unit 10 to generate calibration data and analysis data for each inspection item, and is generated by the calculation unit 61. And a data storage unit 62 for storing standard data and analysis data.

  The calculation unit 61 generates calibration data indicating the relationship between the standard data output from the measurement unit 29 and a standard value preset in the standard sample of the standard data. Then, analysis data represented by a concentration value or an enzyme activity value is generated from the test data using the generated calibration data. The data storage unit 62 includes a memory device such as a hard disk and stores the calibration data generated by the calculation unit 61 for each inspection item. Moreover, the analysis data of each test item generated by the calculation unit 61 is stored for each test sample.

  The output unit 70 includes a printing unit 71 that prints out calibration data and analysis data generated by the calculation unit 61 of the data processing unit 60 and a display unit 72 that displays and outputs the calibration data. The printing unit 71 includes a printer and prints calibration data and analysis data on printer paper or the like according to a preset format.

  The display unit 72 includes a monitor such as a CRT or a liquid crystal panel, and displays the calibration data and analysis data generated by the calculation unit 61. Further, an analysis parameter setting screen for setting analysis parameters such as a sample dispensing amount, a first reagent dispensing amount, and a second reagent dispensing amount for each inspection item is displayed. Further, a reinspection parameter setting screen for setting a reinspection parameter for each inspection item is displayed. Further, an inspection item setting screen for setting a sample ID for identifying the test sample and an inspection item to be inspected for each test sample is displayed.

  The operation unit 80 includes input devices such as a keyboard, a mouse, a button, and a touch key panel. Then, input for setting analysis parameters and re-inspection parameters for each inspection item, input for setting a sample ID and inspection items, and the like are performed.

  The system control unit 90 includes a CPU and a storage circuit, and stores input information such as command signals input by operation from the operation unit 80, analysis parameters of each inspection item, re-inspection parameters, sample ID, and information on inspection items. After storing in the circuit, the analysis control unit 52, the data processing unit 60, and the output unit 70 are controlled based on the input information to control the entire system.

Next, the configuration of the sample rack 31 will be described with reference to FIG.
FIG. 4 is a diagram showing an example of the configuration of the sample rack 31. FIG. 4A shows a top view of the sample rack 31. FIG. 4B shows a side view of the sample rack 31 from the short side direction. FIG. 4C shows a side view of the sample rack 31 from the longitudinal direction.

  As shown in FIG. 4A, the sample rack 31 has an opening 311 that can hold a plurality of sample containers 11 in a row in the longitudinal direction. Moreover, as shown in FIG.4 (b), the elongate through-hole 312 is formed in the up-down direction in the longitudinal direction both ends vicinity of the side surface. Although not shown, a rack ID is written on the back side so that it can be read by the reader 45 of the transport unit 40.

Next, with reference to FIG. 1 thru | or FIG. 9, the structure and operation | movement detail of the up-and-down moving mechanism 57 in the 2nd moving mechanism 54 of the moving mechanism part 51 and the rotational movement mechanism 58 are demonstrated.
FIG. 5 is a side view showing an example of the configuration of the vertical movement mechanism 57. The vertical movement mechanism 57 enters the through hole 312 of the sample rack 31 and supports the sample rack 31, and holds the support arm 571 so as to be slidable in the arrow L5 direction and the arrow L6 direction which are longitudinal directions. And a holder 572. Further, a support holder 573 that supports the holder 572 so as to be slidable in the arrow L7 direction and the arrow L8 direction, which are vertical directions, and a rail 574 that guides the support holder 573 in the L7 direction and the L8 direction are provided.

  The vertical movement mechanism 57 includes a shaft 575 fixed to the support arm 571 and a roller 576 that is rotatably disposed on the shaft 575. Further, a plate 577 indicated by a broken line provided with an opening for guiding the roller 576 positioned at the center in the vertical direction in a downward direction and an upward direction so as to draw curved trajectories LR1 and LR2 is provided. In addition, a drive arm 578 having a hole through which the shaft 575 penetrates is formed at one end.

  Further, the vertical movement mechanism 57 tilts the other end portion of the drive arm 578 in the directions of the arrows R3 and R4, and moves the support arm 571 at the center point HP located at the center in the vertical direction to the same curve as the roller 576. A motor 579 is provided that drives the tracks LH3 and LH4 in a downward direction and an upward direction. Further, a frame 580 that holds the rail 574, the plate 577, and the motor 579, and a rotation shaft 581 that is fixed to the frame 580 are provided.

  Then, the motor 579 tilts and drives the drive arm 578 in the R4 direction, whereby the support arm 571 at the center point HP is driven in the L6 direction and the L8 direction as shown in FIG. 6 and stops at the bottom dead center BP. Next, the motor 579 tilts and drives the drive arm 578 in the R3 direction until it becomes horizontal, whereby the support arm 571 is driven in the L5 direction and the L7 direction and reaches the center point HP. By this driving, the support arm 571 enters the through hole 312 of the sample rack 31 on the input lane 41, the dispensing lane 42, or the standby lane 43 and contacts the upper end of the through hole 312. Further, when the motor 579 tilts and drives the drive arm 578 in the R3 direction, the support arm 571 is driven in the L6 direction and the L7 direction and stopped at the top dead center UP as shown in FIG. By this driving, the sample rack 31 is moved to the upper stop position, which is a height at which the sample rack 31 can be rotated by the rotational movement mechanism 58 and a height at which the sample rack 31 can be moved by the linear movement mechanism 59.

  Further, the motor 579 tilts and drives the drive arm 578 in the R4 direction until it becomes horizontal, whereby the support arm 571 is driven in the L5 direction and the L8 direction and reaches the center point HP. By this driving, the sample rack 31 at the upper stop position is moved downward and placed on the dispensing lane 42, the standby lane 43, or the collection lane 44.

  If the number of sample racks 31 placed on the standby lane 43 is large, as shown in FIG. 8, the standby lane 43 in which a plurality of detectors 46 are further arranged in front of the standby lane 43 of the transport unit 40 Similarly configured standby lanes 43a may be arranged close to each other in parallel. In this case, the vertical movement mechanism 57 includes, for example, a clamping mechanism that clamps both side portions of the sample rack 31 in the longitudinal direction, a vertical mechanism that moves the clamping mechanism up and down, and a front-rear mechanism that moves the vertical mechanism in the longitudinal direction. Replace with 2 vertical movement mechanism. Then, the sample rack 31 may be moved onto the standby lane 43 or the standby lane 43a by the second movement mechanism 54a configured by the second vertical movement mechanism, the rotation movement mechanism 58, and the linear movement mechanism 59. . As a result, it is possible to easily cope with facilities that have many reexaminations.

  FIG. 9 is a top view showing an example of the configuration of the rotational movement mechanism 58. The rotational movement mechanism 58 includes a motor 583 for rotationally driving the vertical movement mechanism 57, a pulley 584 fixed to the motor 583, a pulley 585 fixed to the rotating shaft 581 of the vertical movement mechanism 57, and two pulleys 584. , 585 and a frame 587 which holds the motor 583 and rotatably holds the rotating shaft 581 of the vertical movement mechanism 57.

  The motor 583 rotates the pulley 584 to rotate the vertical movement mechanism 57 around the rotation shaft 581. The sample rack 31 moved to the upper stop position by the vertical movement mechanism 57 is moved in the R1 direction, R2 direction, And it rotates by 180 ° in each direction opposite to the R1 direction.

  In addition, it is not limited to the said embodiment, You may make it implement by arrange | positioning additionally the analysis part 10b comprised similarly to the analysis part 10. FIG. In this case, as shown in FIGS. 10 and 11, the transport unit 40 in FIG. 3 and the moving mechanism unit 51 in FIG. 1 are moved to the transport unit 40 b in accordance with the addition of the analysis unit 10 b disposed on the left side of the analysis unit 10, for example. And it replaces with the moving mechanism part 51b, and it carries out.

  This transport unit 40b differs from the transport unit 40 in FIG. 3 in the same manner as the dispensing lane 42 provided so that the sample rack 31 can be moved to a position where the sample can be dispensed by the analysis unit 10b. That is, the dispensing lane 42b is arranged close to and parallel to the analysis unit 10b. In addition, a standby lane 43b configured in the same manner as the standby lane 43 provided so that the sample rack 31 on which the sample is dispensed by the analysis unit 10b can be placed is detachably parallel to the vicinity of the dispensing lane 42b. This is the point that was placed. Further, the collection lane 44 is arranged on the left side of the analysis unit 10b.

  Further, the movement mechanism 51b is different from the movement mechanism 51 of FIG. 1 in that the second movement mechanism 54 of the movement mechanism 51 is replaced with the second movement mechanism 54b and the dispensing lane of the transport unit 40b. The third moving mechanism 55b for moving the sample rack 31 placed on 42b is added. The second moving mechanism 54b is different from the second moving mechanism 54 in that the sample rack 31 moved to the upper stop position by the vertical moving mechanism 57 is placed in the dispensing lanes 42 and 42b and the standby lanes 43 and 43b. Along with this, a linear movement mechanism 59b that linearly moves between the input lane 41 and the collection lane 44 of the transport unit 40b is replaced.

  In this way, the sample rack 31 is moved onto the dispensing lane 42b so that the longitudinal directions thereof are parallel to each other, and the sample rack 31 on the dispensing lane 42b is moved in the longitudinal direction, thereby shortening the dispensing lane 42b. The length in the hand direction can be shortened. Then, by arranging the dispensing lane 42b close to the analysis unit 10b so that the longitudinal direction is parallel to the left-right direction of the analysis unit 10b, the front and rear of the unit composed of the plurality of analysis units 10, 10b and the transport unit 40b are arranged. The length in the direction can be suppressed.

  Further, by moving the sample rack 31 onto the standby lane 43b so that the longitudinal directions are parallel to each other, the length of the standby lane 43b in the short direction can be shortened. Then, by arranging the standby lane 43b in the vicinity of the dispensing lane 42b so that the longitudinal directions are parallel to each other, the length in the front-rear direction of the unit composed of the plurality of analysis units 10, 10b and the transport unit 40b can be suppressed. it can. Further, by arranging the standby lanes 43 and 43b between the input lane 41 and the collection lane 44, the length in the left-right direction of the unit composed of the plurality of analysis units 10 and 10b and the transport unit 40b can be shortened.

  According to the embodiment described above, the dispensing lane 42 provided so that the sample rack 31 can be moved to the dispensing position Tc where the sample can be dispensed by the analysis unit 10 or the sample dispensing by the analysis unit 10. The sample rack 31 on one lane of the standby lane 43 provided so that the sample rack 31 on which the sample rack 31 is placed can be placed on the other lane so that the longitudinal directions of the sample rack 31 and the other lane are parallel to each other. By moving on the lane, the length of the dispensing lane 42 and the standby lane 43 in the short direction can be shortened. Then, the dispensing lane 42 is disposed close to the analyzing unit 10 so that the longitudinal direction is parallel to the left-right direction of the analyzing unit 10, and the standby lane 43 is disposed in the vicinity of the dispensing lane 42 so that the longitudinal directions are parallel to each other. By arranging, the length in the front-rear direction of the unit composed of the analysis unit 10 and the transport unit 40 can be suppressed. Further, by disposing the dispensing lane 42 and the standby lane 43 between the input lane 41 arranged on one side in the longitudinal direction of the dispensing lane 42 and the collection lane 44 arranged on the other side, the analyzing unit 10 and the conveying unit 40 can The length of the unit in the left-right direction can be shortened. As described above, the automatic analyzer 100 can be downsized.

  Although several embodiments of the present invention have been described, these embodiments are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

DESCRIPTION OF SYMBOLS 10 Analyzing part 11 Sample container 19 Sample dispensing probe 20 Sample dispensing arm 31 Sample rack 41 Loading lane 42 Dispensing lane 43 Standby lane 44 Collection lane 45 Reader 54 Second moving mechanism 57 Vertical moving mechanism 58 Rotating moving mechanism 59 Linear Movement mechanism

Claims (8)

In an automatic analyzer equipped with an analyzer that dispenses a sample in a sample container held in a sample rack into a reaction container,
And it is dispensing lanes provided so as to be movable dispensing the sample rack to be dispensing position of the sample in the analyzer,
A dispensing lane moving mechanism for moving the sample rack placed on the dispensing lane to the dispensing position;
Arranged in parallel with the dispensing lanes to said dispensing lanes near a waiting lane dispensing of the sample is provided to allow mounting the sample rack made by the analysis unit,
Distributing lane movement along a movement path provided in parallel to the dispensing lane and the standby lane between the dispensing lane and the standby lane, provided independently from the dispensing lane moving mechanism it is possible to move the sample rack in the same direction and the opposite direction to the moving direction by the mechanism, the sample rack on the dispensing lane, move onto the waiting lanes, or specimen rack on the waiting lane An automatic analyzer comprising a movement mechanism for moving the sample onto the dispensing lane .   Of the sample racks in which the first sample is dispensed by the analysis unit on the dispensing lane, the moving mechanism includes a sample that may be dispensed a second time by the analysis unit. The automatic analyzer according to claim 1, wherein a sample rack that holds a stored sample container is moved onto the standby lane.   The moving mechanism accommodates a sample to be dispensed for the second time by the analysis unit among the sample racks that have been dispensed for the first time by the analysis unit placed on the standby lane. The automatic analyzer according to claim 1 or 2, wherein a sample rack holding the sample container is moved onto the dispensing lane.   Of the sample racks in which the first sample has been dispensed by the analysis unit placed on the dispensing lane or the standby lane, the moving mechanism performs the second dispensing by the analysis unit. 4. The sample rack that holds a sample container in which an unnecessary sample is stored is moved to a collection lane disposed on one side in the longitudinal direction of the dispensing lane. The automatic analyzer described. 5. The moving mechanism moves a sample rack holding a sample container containing a sample for which a test item to be retested on the dispensing lane is not set to the recovery lane. Automatic analyzer described in 1.   The moving mechanism is configured to move the sample rack before the sample is dispensed in the analysis unit from the input lane disposed on the other side in the longitudinal direction of the dispensing lane to the dispensing lane. The automatic analyzer according to claim 4 or 5.   The moving mechanism is moved up by the up / down moving mechanism that moves the sample rack on the one lane upward and then moves down and places it on the other lane. And a linear movement mechanism that linearly moves the sample rack moved upward by the vertical movement mechanism along the dispensing lane and the standby lane. The automatic analyzer according to any one of claims 1 to 6, wherein the automatic analyzer is provided.   The automatic analyzer according to claim 1, wherein the sample rack can hold a plurality of the sample containers in a longitudinal direction.

Images