JPH0112202Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention is designed to use a washing device to wash a titration plate used to hold a sample and a reagent added to it in a medical examination or test of a patient's blood. It concerns a rack used to hold a titration plate.

As shown in FIG. 1, a titration plate 1 used for examination or testing of blood, etc. is usually made of a rectangular plate body 10 with a side of about 20 mm and a thickness of about 2 mm, and a plate body 10 made of a transparent plate. The plate body 10 is molded from a synthetic resin material (acrylic synthetic resin material).
This titration plate 1 is formed by arranging and forming a large number of depressions 11 for dispensing samples and reagents on the surface of the plate. It is used to set the sample and reagent in the injection device and dispense a predetermined amount of the sample and reagent into each depression 11, and to test the reacted sample by applying it to the test device (photometer).After the test, it is washed with the washing device. Used for repeated inspections.

By the way, the titration plate 1 is washed by soaking it in a disinfectant solution (sterilizing solution) overnight before washing it in a washing device, and then taking it out from the disinfection tank and putting it in a washing device. In the cleaning process, a large number of used titration plates 1 are placed in a basket, the whole basket is immersed in a disinfection tank filled with disinfectant, and after a predetermined period of time, the whole basket is put into the disinfection tank. Then, grab the titration plates 1 one by one from the basket by hand and feed them to the supply port of the washing device, and then hand wash the titration plates 1 that come out from the discharge port of the washing device. The process involves putting the rice in another basket, then putting the whole basket into a drying warehouse and drying it.

For this reason, the cleaning process requires complicated manual labor, the titration plate is often touched by hands between cleaning and drying, making the cleaning incomplete, and the titration plate is not exposed to disinfectant solution. When immersing the titration plate or putting the washed titration plate into the drying cabinet, the titration plate is placed in a basket, which causes scratches on the surface of the titration plate, which causes problems in the judgment of the test.

The present invention was devised to solve these problems that have arisen with conventional methods, and allows the series of operations from disinfecting, washing, and drying the titration plate to be performed without directly touching the titration plate.
The purpose is to provide a new means to simplify the work process and make it easier.

In the present invention, as a means to achieve this objective, a partition frame is provided in which a large number of titration plates can be supported in parallel in a manner that they can be inserted and removed, and a partition frame that can be installed and removed on the supply port side and the discharge port side of the washing device is provided. This invention proposes a rack for a titration plate for testing or testing of blood, etc., which is formed into a flexible rack with a hanger that is suspended from the edge of a sterilization tank.

Next, an example of implementation will be described in detail with reference to the drawings.

FIG. 2 shows a rack 2 according to the invention.

The rack 2 connects the aforementioned titration plate 1 with a partition plate 20 made of a large number of stainless steel plates.
Collars 22 arranged in parallel at intervals corresponding to the thickness of the clamping rods 21 and penetrating through the clamping rods 21 and arranged within the interval of each partition plate 20 and inserted into the tightening rods 21.
Also, a bottom plate 23 made of a stainless steel plate welded to the bottom side, and a number of partition frames 24 in which the above-mentioned titration plate 1 is inserted and supported, with the above-mentioned intervals...
They are formed in parallel in the front-rear direction (longitudinal direction of the tightening rod 21). The tightening rod 21...
As shown in FIG.
4 is formed in such a manner that it can be bent and opened upward and on one of the left and right sides.

As shown in FIG. 4, this rack 2 is mounted on a rail 31 installed along the front and back direction on the side of the supply port 30 of the body 3a of the washing device 3 for the titration plate 1. side opening 24
a is removably mounted so as to face the supply port 30, and is configured to freely move in the front and rear directions in this state.

In this embodiment, the fitting portions that fit into the rails 31 on the bottom side of the rack 2 are formed so as to extend downward from the lower edges of both left and right ends of the parallel partition plates 20. The rack 2 is formed by an extending portion 25 which is connected to the rail 31 as shown in FIG.
is regulated by the rail 31 and freely slides back and forth. Moreover, this extending portion 25... is connected to the rail 31.
The cam wheel 33 engages with a cam wheel 33 facing the notch 32 provided in the middle of the partition frame 24, and the cam wheel 33 is driven by a motor M1 that is controlled to rotate one rotation at a time. It is used as an engaging tooth that provides the rack 2 with one-frame advance movement with a pitch interval.

The cleaning device 3 has a supply port 3 at a position outside the rail 31 and corresponding to the supply port 30 described above.
It is equipped with an extrusion rod 34 that moves in and out toward zero. The extrusion rod 34 performs an extrusion operation at regular intervals by the operation of the actuating mechanism 4, and as described above enters into the partition frame 24 of the rack 2 placed on the rail 31, and the partition frame 24 It acts to push out the titration plate 1 supported therein towards the supply port 30. Further, in the washing device 3, the titration plate 1 is conveyed to a position inside the supply port 30 toward a discharge port 35 provided on the other side of the body 3a of the washing device 3, as shown in FIG. A conveyor 5 is provided. Further, on both sides of the conveyance path of the titration plate 1 by the conveyor 5, nozzles 36 for spouting washing water, an air discharge pipe 37 for blowing out drying air, and a suction pipe 38 for receiving the emitted air are arranged. be. Further, at a position outside the discharge port 35 of the body 3a of the washing device 3, a rail 31' formed in the same manner as the above-mentioned rail 31 is arranged symmetrically with the above-mentioned rail 31 and extends in the front and rear direction. It is installed. The rack 2 is also placed on this rail 31'. At this time, the rack 2 is attached to the partition frame 24 mentioned above.
a state in which the open port 24a side faces the discharge port 35,
That is, when it is mounted on the supply port 30 side and when viewed from above,
It is mounted on a rack with a 180 degree turn. The rail 31' of the discharge port 35 is also provided with a notch similar to the aforementioned notch 32, and a cam foil 33' formed in the same manner as the cam foil 33 is exposed there. The motor M2, which is controlled to rotate the cam wheel 33' one rotation at a time, is activated by a sensor S (micro switch) disposed at the end position of the conveyance path of the conveyor 5, which is connected to the titration plate 1.
The cam wheel 33' is controlled to rotate once by a signal generated by detecting the passage of the cam wheel 33'.

Furthermore, when the rack 2 is dropped into the disinfection tank 6 filled with the disinfectant W as shown in FIG. In the state of being immersed in W, the rack 2 is placed in the disinfection tank 6 as shown in Fig. 7.
The hanging arm 26 is suspended from the upper edge 61 of the peripheral wall 60 of
However, the rack 2 is formed at both front and rear ends so as to serve as gripping portions when carrying the rack 2.

The embodiment device constructed in this manner operates as follows.

When pre-washing the titration plates 1 to be washed by the washing device 3 by immersing them in a disinfectant solution, insert the titration plates 1 into each partition frame 24 of the rack 2 one by one. . This insertion may be performed by dropping the partition frames 24 from the upper opening side.

When the titration plates 1 have been inserted, the rack 2 is placed into the sterilization tank 6 by hooking its hanging handle 26 onto the upper edge 61 of the peripheral wall 60 of the sterilization tank 6 as shown in FIG. By suspending the rack 2 as shown in FIG. Then, when the pre-cleaning is completed by immersion in the disinfectant solution W, the titration plate 1 is pulled up from the disinfection tank 6 together with the rack 2 by holding the hanging handle 26 of the rack 2. in this way,
In the pre-cleaning process in which the titration plates 1 are immersed in the disinfectant solution W, the rack 2 is used to act as a basket into which the titration plates 1 are collectively thrown into the disinfectant solution.

Next, the rack 2 pulled up from the disinfectant solution W is placed on a supply section a consisting of a rail 31 formed on the supply port 30 side of the cleaning device 3. This results in
The rack 2 is connected to the cam foil 33, which is an intermittent feeding mechanism b, which intermittently feeds the rack 2 at a pitch corresponding to the width of the interval between the partition frames 24, and the extrusion rod 34, which is an extrusion mechanism for the titration plate 1. ,
It functions as a supply hopper that feeds the titration plates 1 one by one into the supply port 30.

Then, it is supplied to the supply port 30 and the conveyor 5
The titration plate 1 is washed by the washing water spouted from the nozzle 36 while being conveyed to the discharge port 35 by the conveyor 5, and is discharged from the discharge port 35 by the conveyor 5. By placing another empty rack 2 on the rail 31', this rack 2 can be cleaned by the cam wheel 33' which constitutes an intermittent feed mechanism and the sensor S which controls its operation. Each time the finished titration plate 1 is sent out on the conveyor 5, it is moved back and forth by the width of the partition frame 24, so that it is sequentially inserted into each partition frame 24 of the rack 2. 2, and the rack 2 acts as a collection hopper.

Then, the rack 2 placed on the side of this discharge port 35
When the titration plates 1 are filled in each of the partition frames 24, remove the large number of titration plates 1 and the rack 2 from the washing device 3 by holding the hanger 26 of the rack 2. The rack 2 is loaded into the drying chamber 7, and the drying process is carried out. When the drying process is completed, the rack 2 is taken out and carried by the rack 2 to the vicinity of the inspection device that uses the titration plate 1. use.

As explained above, the rack of the titration plate for testing or testing of blood, etc. according to the present invention is equipped with a partition frame that supports a large number of titration plates in parallel in a removable manner, and also has a partition frame that supports the titration plates in parallel in a manner that allows them to be freely inserted and removed. Since it is configured with a hanger that can be easily attached and detached from the outlet side and suspended from the edge of the sterilization tank, it is possible to sterilize, wash, and dry a large number of titration plates 1. During the pre-washing process, the supply port 3 of the washing device 3
0, a process of collecting and taking out the titration plates 1... discharged from the outlet 35 of the washing device 3 after washing, and a process of collecting and taking out the titration plates 1... after washing and putting them into the drying chamber 7. During a series of work steps, from the charging process to the process of taking out from the drying chamber 7, work can be done without directly touching the titration plate 1, and the work operations in each process can be significantly simplified. Since it can be simplified, the titration plate 1 can be completely disinfected and cleaned, and the cleaning work is made significantly easier.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of the titration plate, Fig. 2 is a perspective view of the rack according to the present invention, Fig. 3 is a longitudinal sectional front view of the same rack, Fig. 4 is a plan view of the washing device, and Fig. 5 is the same washing device as above. Fig. 6 is a front view of the sterilization tank, Fig. 7 is a perspective view of the sterilization tank, and Fig. 8 is an explanatory diagram showing how the titration plates are loaded in racks into the drying cabinet. be. M1, M2...Motor, S...Sensor (micro switch), W...Disinfectant, a...Supply section,
b...Intermittent feed mechanism, 1...Titration plate, 10
... Plate body, 11 ... Recess, 2 ... Rack, 20 ... Partition plate, 21 ... Tightening rod, 22 ...
Color, 23... Bottom plate, 24... Partition frame, 24a
...Opening mouth, 25...Extending part, 26...Hanging hand, 3
...Washing device, 3a... Airframe, 30... Supply port,
31, 31'...Rail, 32...Notch, 3
3, 33'...cam foil, 34...extrusion rod, 3
5... Discharge port, 36... Nozzle, 37... Discharge pipe, 38... Suction pipe, 4... Operating mechanism, 5... Conveyor, 6... Disinfection tank, 60... Surrounding wall, 61...
Upper edge, 7...Drying cabinet.

Claims (1)

[Scope of utility model registration request] It is equipped with a partition frame that supports a large number of titration plates in parallel so that they can be inserted and removed, and a hanging hand that can be easily attached to and removed from the supply and outlet sides of the washing device and hung from the edge of the sterilization tank. Rack for titration plate for testing or testing of blood etc.