JPH03285174A - automatic analyzer - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to an automatic analyzer in which an analysis unit is disposed along a rack transport section through which a sample rack in which samples are arranged is transferred. .

The automatic analyzer of the present invention is suitable for use in biochemical analysis of blood, urine, etc., immunoanalysis, etc., for example.

(Prior art) Figure 6 shows an automatic analysis system in which sample racks with samples lined up are transferred from a rack supply section to a rack storage section, and an analysis unit section is arranged along a rack transport section provided in between. An example of the device is shown.

Reference numeral 102 denotes a rack transport unit in which a sample rack 104 in which samples are arranged is transported by a heddle;
A rack supply section 106 is provided on the entrance side in the rack transfer direction of No. 2, and a rack storage section 108 is provided on the exit side. Analysis unit section 11 along rack transport section 102
Each analysis unit section 110, 112, 113 has a reaction line with a plurality of reaction tubes, a reagent supply section that supplies reagents to the reaction tubes, a measurement section that detects the reaction, etc. is provided. Reference numeral 114 denotes a pipetter for dispensing the sample sent by the rack transport section 102 in the analysis unit section 110, and the other analysis units 112 and 113 are also equipped with the same pipettor.

In the automatic analyzer shown in FIG. 6, since the rack transport section 102 is configured in a straight line, the rack supply section 10
6. The analysis unit parts 110, 112, 113 and the rack storage part 108 are arranged in a straight line.

(Problem to be solved by the invention) In a conventional automatic analyzer in which each part is arranged in a straight line,
The distance the operator has to travel becomes longer.

In addition, the space utilization efficiency of the room in which the linear automatic analyzer is placed becomes poor.

In the present invention, the overall arrangement of the automatic analyzer in which the analysis unit part is arranged along the rack transport part provided between the rack supply part and the rack storage part is not in a straight line,
The automated analyzer is arranged in an L-shape or U-shape, depending on the shape and location of the room where it is located, to improve space utilization efficiency, or to reduce the distance traveled by workers. The purpose is to provide an automatic analyzer that can perform

(Means for Solving the Problems) In the present invention, at least a portion between the rack supply section and the analysis unit section, between the analysis unit sections, and between the analysis unit section and the rack storage section is connected to the rack transport section. By providing a connecting portion and making the inner and outer dimensions of the connecting portion different, the entire rack conveying portion is constructed so as not to be in a straight line.

Further, the rack supply section, the analysis unit section, and the rack storage section are each configured to be separable, and the rack transport section is integrally attached to the analysis unit section.

(Function) In the present invention, the rack transport section is configured to have a non-linear shape, such as an L-shape or a U-shape, using the connecting section, so if the analysis unit section is arranged along the rack transport section, the entire The arrangement is also not linear, such as an L-shape or a U-shape.

(Example) FIG. 1 represents one embodiment.

2 is a rack supply unit, 3 is a sample rack in which samples are arranged,
Reference numerals 4 and 6 denote analysis unit parts, and 8 a rack storage M part.A rack transport part 10 is integrally attached to the analysis unit part 4, and a rack transport part 12 is integrally attached to the analysis unit part 6. ing.

A connecting part 25 is provided between the rack supply part 2 and the analysis unit part 4.
A coupling part 27 is arranged between the analysis unit part 4 and the analysis unit part 6, and a coupling part 29 is arranged between the analysis unit part 6 and the rack storage part 8. Each connecting part has the same configuration, and the connecting belt part 4
7, it is composed of a connecting belt section 47 and a roller section 46 that connects each section. The roller portion 46 is short on the inside and long on the outside, and by arranging the roller portion 46 between, for example, the rack conveyance portion 10 and the connecting belt portion 47, the rack conveyance portion can be formed into a bent shape.

31 is a wall of a room in which this automatic analysis device is installed.

The analysis unit parts 4 and 6 have the same structure, and each analysis unit part 4 and 6 includes a reaction disk 14 in which reaction tubes are arranged along one circumference, and a reagent to be supplied to the reaction tubes arranged in a circumference. Reagent turntables 16, 18 are provided which are arranged along. 20 is the rack transport section 10 (or 12)
22 and 24 are reagent dispensing nozzles that supply reagents on the reagent turntable 16 and 18 to the reaction tubes of the reaction disk 14, respectively. . Although not shown in the figure, there are other devices, such as a stirring device that stirs the reaction solution in the reaction tube on the reaction disk 14, a cleaning device that washes the reaction tube after the reaction, and a device that monitors the absorbance of the reaction solution in the reaction tube. A spectrometer is equipped to measure and measure the reaction.

FIG. 2 shows the analysis unit section 4 in the embodiment shown in FIG.
6 shows a concrete example of a rack transport 10.12 integrally attached to the rack. (A) shows a front view as seen from the rack transport section side, (B) shows a plan view, and (C) shows a right side view of (A).

Although the rack transport section 10 is shown, the same applies to the rack transport section 12.

In the rack transport section 10, in order to transport the sample rack,
There is a belt line. 30 is a belt for transporting the sample rack, and the belt 30 is connected to pulleys 32, 34,
36 and 38, and the belt 30 is driven by the pulley 36 being rotated by the motor 40. A guide 42 is provided to guide the sample rack transported by the belt 30. The guide 42 is a pair of plates erected along the direction of movement of the sample rack, and the width is widened at both ends to facilitate connection with adjacent parts. A portion of the guide 42 is provided with an opening 44, and this opening 44 is provided with a stopper for stopping the sample rack for dispensing.

Positioning pins (paths shown) are provided near both ends of the rack transport section 10, respectively.

An example of the connecting portions 25, 27, and 29 is shown in FIG.

The connecting belt section 47 has a structure similar to that of the rack conveying section shown in FIG. The belt 50 moves to transport the sample racks on the belt.

60 is a guide, and the sample rack is transported along the guide 60.

A connecting roller part 46 provided between the connecting belt part 47 and each part compliments the roller 48, and the outer dimension is longer than the inner dimension. The connecting roller portion 46 is fitted between the rollers at the tip of adjacent portions.

By arranging the connecting portion including the connecting roller portion 46 and the connecting belt portion 47 between the respective parts, the rack conveyance portion as a whole is not in a straight shape but in a bent state as in the example shown in FIG. 1. As a result, the entire arrangement including the analysis unit section 4.degree. 6 disposed along the rack transport section also has a bent shape.

The arrangement as shown in FIG. 1 is convenient for placing it in the corner of the room 31.

FIG. 4 represents another embodiment.

In this example, four analysis units indicated by symbols 4 to 7 are provided, and connecting portions 27a to 27c are arranged between each analysis unit 4 to 7, respectively. Connecting part 2
5, 27a, 27b, 27c, and 29 all have the same configuration.

In the example shown in FIG. 4, the entire automatic analyzer is arranged in a U-shape so as to surround the operator, making it easier for the operator to use it.

FIG. 5 shows yet another embodiment.

In FIG. 5, the rack supply section 2 and the rack storage section 8 are both placed on one side of the entire apparatus, and the analysis unit sections 4 and 6 are sandwiched between the rack supply section 2 and the rack storage section 8 on the opposite side. A return section 9 is provided for returning the transported rack. The rack transport section that is integrally attached to the analysis unit section 4 is composed of an outbound path 10a and a return path 10b whose transfer directions are opposite to each other. Similarly, the outgoing path 12a and the incoming path 1 have opposite transport directions.
2b.

(Effects of the Invention) In the present invention, connecting parts are provided between each part of the rack supply part 1, the autometric unit part, the rack storage part, etc., and the overall arrangement is not linear but, for example, L-shaped or U-shaped. Space utilization efficiency increases and operator usability improves.

By configuring the rack supply section, each analysis unit section, and the rack storage section to be separated, they can be arranged in any shape by changing the types of connections that connect each section. Space utilization efficiency and operator usability can be further improved. Even if the rack transport part can be separated into each part, the relative positional relationship between the rack stop position in the rack transport part and the suction stop position of the pipetter in the analysis unit part can be maintained by attaching the rack transport part integrally to the analysis unit part. This makes it easier to adjust when arranging each part.

[Brief explanation of drawings]

FIG. 1 is a schematic plan view showing one embodiment, and FIG. 2 is a diagram showing a rack transport section in the same embodiment, where (A) is a front view, (B) is a plan view, and (C) is (A ), FIG. 3 is a schematic plan view showing the connecting portion in the same embodiment, FIGS. 4 and 5 are schematic plan views showing other embodiments, and FIG.
The figure is a schematic plan view showing the arrangement of a conventional automatic analyzer. 2...Rack supply section, 3...Sample rack, 4゜5.6.7...Analysis unit section, 8...
...Rack storage section, io+ 10a, 10b, 12
, 12a, 12b ---- Rack transport section, 25
, 25a, 25b. 27.27a, 27b, 29.29a, 29b-...
Connecting part, 46... Connecting roller part, 47...
...Connection belt section, 48...Roller, 50...
····belt. Figure 1 Figure 3

Claims (2)

[Claims] (1) In an automatic analyzer in which sample racks arranged with samples are transferred from a rack supply section to a rack storage section, and an analysis unit section is arranged along a rack transport section provided in between, the rack supply section A connecting part connected to the rack transport part is provided between the analysis unit part and the analysis unit part, and between the analysis unit part and the rack housing part, and the connecting part is connected to the rack transport part. An automatic analyzer characterized in that the racks are different, and the entire rack transport section is configured so as not to be in a straight line. (2) The automatic analysis according to claim 1, wherein the rack supply section, the analysis unit section, and the rack storage section are each separable, and the rack transport section is integrally attached to the analysis unit section. Device.