JPH06103314B2 - Dispensing device for blood test - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a blood test used when a sample such as blood or serum is dispensed into a large number of holes arranged on a titration plate for inspection. Regarding the dispensing device for the improvement.

[Prior Art] When testing specimens such as blood and serum, as shown in Fig. 1, a large number of specimen dispensing holes 10 formed of a transparent synthetic resin material are aligned vertically and horizontally. As shown in FIG. 2, the titration plate 1 provided as above is mounted on a mounting table b that is movably provided below the dispensing head a of the dispensing device A for blood test. Samples are dispensed from the dispensing needles 11 of the dispensing head a into the holes 10 ...
Reagents to be applied beforehand on the inner wall of the
An optical inspection device such as a photometer is made to react with the reaction reagent applied on the surface of the reaction bead that has been previously charged in 10 or the reaction reagent to be dispensed after the sample is dispensed, and when the reaction process is completed. To check the reaction results.

By the way, in the inspection of a sample such as blood performed using the titration plate 1, the titration plate 1 is usually supplied to the lower side of the dispensing head a of the dispensing device A on the upper surface side of the body 2 of the dispensing device A. , A transfer conveyor for the titration plates 1 is provided at a position that passes under the dispensing head a and crosses the machine body to the left and right, and a large number of titration plates 1 are stacked at an upper position on the starting end side in the transport direction of the transfer conveyor. A titration plate 1 which is housed in a closed state and has a feeding hopper c provided with a feeding port on the lower surface side, is mounted on a machine body 2, and is fed one by one from the feeding port of the feeding hopper c.
Are sent below the dispensing head a by a transfer conveyor.

Then, the titration plate 1 that has been sent below the dispensing head a and has completed the predetermined dispensing process is received on the lower surface at a position above the dispensing head a of the transfer conveyor on the terminal side in the transport direction. The recovery hopper d having an open inlet is mounted, and the titration plate 1 that has completed the dispensing process is transferred to the lower position of the recovery hopper d by the transfer conveyor, and the recovery hopper d is operated to descend. Alternatively, the titration plate 1 is pushed into the collection hopper d from the receiving port of the collection hopper d by the operation of the lifting table which is arranged below the collection hopper d and mounted on the body 2. ing.

[Problems to be Solved by the Invention] In the above-mentioned conventional means, the titration plate 1 that has finished the work of supplying the titration plate 1 to the bottom of the dispensing head a and the dispensing process is performed.
Can be automatically processed by the supply hopper c, the recovery hopper d, the transfer conveyor, and the like. However, depending on the type of inspection, a large number of sample dispensing holes 10 arranged side by side on the titration plate 1 can be used. The sample or reagent may be repeatedly dispensed to ... In such an inspection, the titration plate 1 after dispensing the sample or reagent must be recovered and then set again. However, there is a problem that this work becomes very troublesome.

Further, from this fact, the titration plate 1 set in the dispensing device A causes the dispensing heads a ...
On the other hand, when the dispenser A is configured so as to sequentially move to the position where the reagent is dispensed from them, each time the reagent is dispensed from one dispense head a, the reaction time is kept constant for the required reaction time. Since it is located in the tank, another problem arises in that the whole mechanism becomes extremely complicated.

[Means for Solving the Problem] The present invention has been made to solve this problem, and dispenses a sample or a reagent for the titration plate 1 set in the body of the dispensing apparatus A. A new means is provided to enable continuous test steps for repeated dispensing of specimens or reagents without the need to collect and reset from the machine every time and without complicating the mechanism. It is intended to be provided.

Then, in the present invention, as a means for achieving this object, a titration plate transfer conveyor is mounted on the upper surface side of the machine body, and above the transfer conveyor, one titration plate from the lower end feeding port, one by one. A feeding hopper for feeding out, a dispensing head having a dispensing needle on the lower surface, and a recovery hopper for receiving a titration plate from a receiving port at the lower end are mounted in this order on the machine body in parallel in the transport direction of the transfer conveyor. In this dispensing device, multiple dispensing heads are installed in parallel in parallel with each other on the machine body, and a dispensing reagent selected from the dispensing heads is controlled so that a predetermined reagent is dispensed and collected. The hopper is formed in the shape of a tunnel through which the titration plate passes vertically, and an electric heater is installed inside it so that it also functions as a thermostatic chamber, and the titration plate passes vertically through the supply hopper. Between the opening on the upper surface side of the supply hopper and the opening on the upper surface side of the collection hopper, a titration plate pushed up to the opening on the upper surface side of the collection hopper is formed. The present invention proposes a dispensing device for blood test, which is characterized in that a transfer conveyor for transferring to an opening on the upper surface side is installed over the bridge.

[Operation] The means of the present invention configured as described above operates as follows.

In the supply hopper c, the titration plates 1 that are stacked and accommodated, or the titration plates 1 that are retained on the holding dish B and are stacked and accommodated together with the holding dish B are in the state of the titration plate 1 alone or in the holding dish B. From the delivery port 31 of the supply hopper c in the held state, it is delivered one by one to the starting end side of the transfer conveyor e, and is sent below a predetermined dispensing head a of the dispensing heads a ... Then, when the sample or the reagent is dispensed and further sent out below the recovery hopper d, the titration plate 1
Are pushed into the collection hopper d by the operation of the lifting platform f, and are sequentially stored therein in a stacked state.

Then, the titration plate 1 contained in the recovery hopper d or the titration plate 1 held in the holding plate B is used.
Is the titration plate 1 (or holding plate B) that is collected one after another.
The titration plate which is held in the collection hopper d and is collected in the collection hopper d) is sequentially pushed upward to pass upward in the tunnel-shaped collection hopper d, and during this passage, the time required for the reaction is constant temperature. After a lapse of time, the reaction is completed, and in that state, it is transferred by the transfer conveyor g toward the upper opening side of the supply hopper c, returned to the inside of the supply hopper c from the upper surface side opening, and again, Supply hopper c
It is fed out from the feeding port 31 and is sent below the dispensing head a to circulate so as to receive the dispensing of the sample or the reagent.

Then, the circulating titration plates 1 ... In such a manner that different reagents are dispensed from a dispensing head a selected from a plurality of dispensing heads a in parallel during each circulation stroke. By controlling the dispensing device A, the test process in the test in which the dispensing of the sample or the reagent is repeated is automatically performed.

Example Next, an example will be described in detail with reference to the drawings. In addition, the drawing symbols are
The same reference numerals are used for components having the same effect as those of the conventional means.

FIG. 3 is a schematic perspective view of a main portion of a blood test dispensing apparatus A for carrying out the present invention. In FIG. 3, 2 is a machine, a is a dispensing head, c is a supply hopper, d is a recovery hopper, e represents a transfer conveyor.

The dispensing head a is a normal one in which a large number of dispensing needles 11 ... Are aligned at the lower end portion, and is arranged in the left-right direction on the front surface of the machine frame 20 provided in a vertical shape on the rear side of the machine body 2. It is mounted in parallel with multiple stations.

As shown in FIG. 4, the supply hopper c is accommodated in a stacked state from a hopper main body 30 formed in a vertically long rectangular box shape so that the titration plates 1 are stacked and accommodated, from a feeding port 31 opening to the lower surface thereof. It is a normal one equipped with a feeding mechanism 3a for feeding the titration plates 1 ...

In the feeding mechanism 3a, as shown in FIG. 4 described above, the left and right side frames 32, 32 of the box-shaped hopper main body 30 can be freely turned to the outside around the hinges 33, 33 provided on the upper end side thereof. The motor M1 and the rotation shaft 34
A link rod 36 connected to a crank wheel 35 that rotates in the center
・ The 36 are connected to each other, and the lower ends of the left and right side frames 32, 32 facing each other in a pair by the operation of the motor M1 are expanded and contracted, and the titration plate is attached to each lower end of the side frames 32, 32. 1 is a normal form having locking claws 37, 37 having a bottom portion, and the above-mentioned dispensing head a is provided on the front surface of a machine frame 20 having a vertical shape attached to the rear surface side of the machine body 2. It is mounted on the part closer to the left and right.

Further, as shown in the left half side of FIG. 4, the recovery hopper d is a hopper body 40 formed in a vertically long rectangular tube shape to accommodate the titration plates 1 ... In a stacked state.
The locking claws 42, 42 are arranged so as to face each other in a pair on the left and right sides of the inlet 41 at the lower end of the, and are attached rotatably left and right so that the facing distance between them expands and contracts. The facing distance between the locking claws 42, 42 is the above-mentioned hopper body 40.
・ Springs should have a narrower space than the inlet 41 at the lower end of 40.
The machine frame 20 has the same shape as the recovery hopper of the conventional titration plate 1, which is constituted by biasing the opposite sides by 43.43, and is provided in a vertical shape on the rear surface side of the machine body 2 described above. It is mounted at a position near the end on the front side of the above, opposite to the supply hopper c.

Then, at the transfer conveyor e, the receiving port of the recovery hopper d
The titration plates 1, ..., Which have been conveyed to the lower part of the 41, are arranged below the recovery hopper d and are pushed up by the operation of an elevating table f provided on the machine body 2, so that the left and right locking claws are
42, 42 are pivoted to the widening side against the springs 43, 43 by the hakama-shaped bulging portion formed at the lower end of the titration plate 1, and the bulging portion is engaged by the lifting operation of the lifting platform f. When the locking claws 42, 42 are restored by the springs 43, 43 by passing over the stop claws 42, 42, the end face of the titration plate 1 is held, and the titration plate 1 is recovered and held. About what to do
It is similar to a conventionally known one.

The recovery hopper d is, as shown in FIGS. 5 and 6,
The outer periphery of the lower surface of the partition wall, excluding the inlet 41, is surrounded by a partition wall 44 formed of a heat insulating material.
And a temperature sensor S composed of a thermistor installed and assembled in the recovery hopper d so as to operate by sensing the temperature in the recovery hopper d. Temperature sensor S consisting of the thermistor
Thus, the temperature inside the recovery hopper d is maintained at a predetermined temperature set to a desired temperature so that the recovery hopper d also serves as a constant temperature bath.

In this case, the partition wall 44 made of a heat insulating material that surrounds the outer circumference of the recovery hopper d is formed by forming a partition wall facing the front side of the machine body 2 into an openable / closable door 46 that is rotated by a hinge 45.
It is effective to make it possible to inspect the inside and take out the contained titration plates 1 ... In addition, the part that becomes the ceiling wall of the partition wall 44 is
In some cases, the lid plate 47 is removable, which makes it easier to inspect the inside.

Further, FIG. 7 shows a modified example in which the recovery hopper d also serves as a constant temperature bath. In this example, the partition wall 44 surrounding the outer circumference of the recovery hopper d is connected to the blower tube 51 of the blower 50 on one side surface of the partition wall 44 near the lower end side thereof, and is exhausted to the partition wall 44 at the ceiling wall. The hole 48 is provided, the electric heater h is arranged in the blower tube 51, and the motor of the blower 50 and the electric heater h are operated,
Hot air is blown into the collection hopper d, and the blower
The temperature inside the recovery hopper d is set to a desired value by the temperature sensor S including a thermistor or the like installed in the recovery hopper d so that the motor 50 and the electric heater h are operated by sensing the temperature inside the recovery hopper d. By controlling the temperature so that the temperature is maintained, the recovery hopper d also serves as a constant temperature bath.

As shown in FIG. 8, the transfer conveyor e is formed so that its cross section has an angled shape, and is provided below the supply hopper c, the dispensing head a, and the recovery hopper d on the upper surface side of the machine body 2. A pair of guide rails 60, 60 are installed at the position where they are fixedly mounted on the machine body 2 so as to cross the upper surface of the machine body 2 left and right (left and right in FIG. 8), and a pair of guide rails 60, 60 at the bottom (front and rear) Endless transport chains 61, 61 that are paired in parallel with each other (right and left in the figure) and stretched around the machine body 2
And a feed claw 63 provided on the connecting rod 62 that is bridged over the transfer chains 61, 61, and conducts the desired sprocket shaft 64 of the transfer chains 61, 61 to the output shaft of the heater M2 installed on the machine body. Then, by controlling the drive of the motor M2, the transport chains 61, 61 are rotated by a desired amount, and the titration plate 1 is moved by the feed claw 63 to a desired position on the guide rails 60, 60. I am doing it.

The lifting platform f is provided with four guide columns 71 ... Standing on a platform 7 which is fixedly mounted on the machine body 2 and on which a platform 72 is vertically slidably supported. On the bottom side of 72, the motor M3
The eccentric cam 73 that rotates is abutted against the base plate 72, and the support plate 74 that supports the bottom surface of the titration plate 1 supported on the guide rails 60 is mounted on the upper surface side of the base plate 72. By rotating the eccentric cam 73 by a desired angle by controlling the operation of the motor M3, the platform 75 is moved by a desired amount within the range of the upper and lower strokes set by the rotation of the eccentric cam 73. And the support plate 74 is adapted to move up and down.

Further, the support plate 74 of the lifting platform f is used to push the titration plate 1 transferred from below the dispensing head a to below the recovery hopper d by the transfer conveyor e into the recovery hopper d. , In the middle of the process,
The titration plate 1 is adapted to be vibrated.

That is, the support plate 74 is swingably supported by the spring 75 on the upper surface of the base 72, and the support pillars for supporting the axial center portion of the lower surface of the support plate 74 are provided on the upper surface of the base 72 with elastic members 7. It is formed on a vertical rotary shaft 76 that is rotated by a motor M4 that is mounted via, and the upper end of the rotary shaft 76 is rotatably connected to the lower surface of the support plate 74 and at the intermediate portion of the rotary shaft 76. By mounting the eccentric balancer 78, the rotation of the eccentric balancer 78 caused by the operation of the motor M4 causes the support plate 74 to reciprocally swing in the horizontal direction, and the titration plate 1 supported on the upper surface of the support plate 74. A vibrating device for vibrating the is configured. Then, as an engaging portion for integrally engaging it with the titration plate 1 in the vibration direction, on the upper surface of the support plate 74 that serves as the vibration operating portion of the vibrating device,
Engagement pin 79 to be fitted into an engagement hole provided on the bottom surface of the titration plate 1 (or the bottom surface of the holding plate of the titration plate 1)
Is installed at a position corresponding to the engaging hole. It suffices that the engaging pins 79 form a connecting portion where the supporting plate 74 and the titration plate 1 (or holding plate) supported on the upper surface thereof engage with each other in the vibration direction of the supporting plate 74. Alternatively, the titration plate 1 (or the holding plate) may be formed in an enclosure frame shape that fits with the bottom surface of the titration plate 1.

Next, FIG. 9 shows that the titration plate 1 pushed up the upper part of the recovery hopper d and the upper part of the supply hopper c mounted on the machine body 2 to the upper part of the inner cavity of the recovery hopper d is It shows a state in which a case h for accommodating the transfer conveyor g is connected so as to be returned to the upper part of the cavity.

In the figure, 2 is a machine, a is a dispensing head, c is a supply hopper, d is a recovery hopper, and e is a transfer conveyor.
These are configured as described in FIGS. 3 to 8 described above, and, although not explicitly shown in the same figure, the above-described lifting platform f is formed below the recovery hopper d. This is as described above.

Then, the upper surface side of the recovery hopper d is the receiving port on the lower surface side.
It is opened so that the titration plates 1 ... Collected from 41 and pushed up sequentially can be taken out.
From the upper side of the supply hopper c, the titration plate 1 ...
It is opened so that it can be used as a charging port for charging. And
The opening side of the recovery hopper d and the supply hopper c
Is connected to the open upper surface side by a case k formed in the shape of a rectangular tube. In the case k, as shown in FIG. 10, the transfer conveyor e shown in FIG. Similarly, a pair of front and rear guide rails 80, 80 (one is omitted in the drawing) and a front and rear pair of transfer chains
81.81 (one is omitted in the drawing) and the feed claw 83 provided on the connecting rod 82 that is bridged to the transport chains 81.81,
The configured transfer conveyor g is housed together, and the motor M5 having the output shaft connected to the desired sprocket shaft 84 of the pair of transfer chains 81, 81 is controlled to transfer the transfer chains 81.
By rotating 81, the titration plate 1 that is sequentially collected and pushed up in the collection hopper d is transferred by the rotating feed claw 83 and the guide rail 80, and is opened at the upper surface side of the supply hopper c. From the above, it is introduced into the supply hopper c.

Next, FIG. 11 shows the holding plate B of the titration plate 1. This holding tray B is used for ensuring that the upper side of the titration plates 1 is sealed while using the standard titration plates 1 when the titration plates 1 ... Are stacked and accommodated. The main body 9 serving as the body is made of an appropriate material such as a synthetic resin material or a metal material forming the titration plate 1, and as shown in FIG. Length l
It is a substantially square with four sides of length L that is somewhat longer,
As shown in FIG. 13, the titration plate 1 of the standard type
It is formed into a pedestal shape that is slightly thicker than the thickness D.

When this holding tray B is used, the above-mentioned supply hopper c and recovery hopper d are formed in such a size that the holding dishes B can be accommodated in a stacked state. On the upper surface side of the main body 9 of the holding plate B, there is formed a fitting recess 90 for receiving and holding the titration plate 1 by dropping the titration plate 1 and the fitting recess 90. On both left and right side of
Recessed portions 91, 91 into which fingers are inserted to grab the titration plate 1 dropped and held in the fitting recessed portion 90 are formed so as to be continuous with the fitting recessed portion 90.

Further, the bottom portion of the main body 9 of the holding plate B is bulged in a hakama shape on four sides. A state in which the titration plate 1 is held on the holding plate B so that the hakama-shaped bulging portion 92 engages with the locking claw 37 of the supply hopper c and the locking claw 42 of the recovery hopper d. Then, it is accommodated in the supply hopper c, and in that state, it can be sent below the dispensing head a and can be recovered in the recovery hopper d.

Further, as shown in FIG. 13, the lower end edge of the holding tray B is a box-like protruding wall 93 that projects downward slightly at a position slightly outside the outer surface of the peripheral wall of the holding tray B. When the holding plates B are stacked, the surrounding frame-shaped protruding wall 93 is fitted to the outer periphery of the upper end of the main body 9 of the lower holding plate, and Of the holding plate B, a fitting portion w for tightly covering the upper surface side is formed, and the fitting plate w is fitted to the titration plate 1 held in the holding plate B.
The upper side of the is sealed.

Further, the bottom wall of the fitting recess 90 in which the titration plate 1 of the holding tray B is fitted has a large number of holes formed in the titration plate 1 when the titration plate 1 is fitted therein.
As shown in FIGS. 11 and 16, a portion corresponding to the zone z in which 10 ... Are vertically and horizontally aligned is formed in a notched window hole 94 that completely penetrates up and down. Thus, the spectroscope of the reaction result of the sample and the reaction reagent in each hole 10 of the titration plate 1 dropped and held in the fitting recess 90 of the holding dish B by the photometer causes the titration plate 1 to move. It can be carried out in a state of being held in the holding tray B without lowering the translucency.

Further, the holding plate B has openings 950 opened at the bottoms of the holding plate B, as shown in FIG. 15, at the peripheral portions of the four corners around the fitting recess 90 into which the titration plate 1 is dropped. Dowel 95
... are respectively formed, and the engaging holes 95 ... Are provided on the upper surface of the support plate 74 for raising and lowering the lifting platform f.
The holding plate B, which serves as a vibration actuating portion of the vibrating device, and the holding tray B are engaged in the vibration direction, and the titration plate 1 held on the holding tray B is vibrated together with the holding tray B. It acts to let you.

[Effects of the Invention] As described above, in the dispensing device for blood test according to the present invention, the titration plate 1 ... Required in the supply hopper c is
It is delivered from the delivery port 31 on the lower end side of the supply hopper c,
It is sent below the parallel dispensing heads a ... by the transfer conveyor e, where the predetermined sample or reagent is dispensed by the predetermined dispensing head a, and the collection is carried out from the inlet 41 at the lower end of the collection hopper d. When collected in the hopper d, they are sequentially pushed up by the titration plates 1 that are collected one after another, so that they pass through the tunnel-shaped collection hopper d in the vertical direction so as to pass from the lower side to the upper side. The time required for the reaction has been maintained at a constant temperature, and the titration plate 1 which has completed the reaction by the transfer conveyor g bridged between the upper surface of the recovery hopper d and the upper surface of the supply hopper c. It is transferred to the side of the supply hopper c, returned to the inside of the supply hopper c from the opening on the upper surface side thereof, is again fed out from the delivery port 31, and circulates downward to the dispensing head a. Like Then, this circulating titration plate 1 receives the dispensing of the predetermined reagent by the dispensing head a selected from multiple dispensing heads a arranged in parallel during each circulation stroke. become.

Therefore, in the inspection process in the repeated inspection of the dispensing of the sample or the reagent, the titration plate 1 does not remove from the body 2 of the dispensing device A and has a remarkably simple mechanism in which the required reaction time is kept in a constant temperature state. As a result, it becomes possible to perform continuous processing.

[Brief description of drawings]

FIG. 1 is a plan view of a conventional titration plate, FIG. 2 is a perspective view of a conventional blood test dispensing apparatus, and FIG. 3 is a schematic perspective view of an entire dispensing apparatus for carrying out the present invention. FIG. 5 is a partially cutaway front view of the same as above, FIG. 5 is a perspective view of the above-mentioned recovery hopper, FIG. 6 is a cross-sectional plan view of the above-mentioned recovery hopper, and FIG. 7 is another view of the above-mentioned recovery hopper. Eighth Example Perspective View
FIG. 9 is a side view of the dispensing device, partly broken away, of the same, FIG. 9 is an overall perspective view of another embodiment of the dispensing device, and FIG.
FIG. 11 is a vertical sectional front view of the main part of the same as above, FIG. 11 is a perspective view of the holding tray, FIG. 12 is a plan view of the above holding tray, and FIG.
Fig. 14 is a sectional view taken along the line I-I in Fig. 14, Fig. 14 is a sectional view taken along the line II-II in Fig. 12 above, and Fig. 15 is a section II in Fig. 12 above.
FIG. 16 is a bottom view of the same, taken along the line I-III. Explanation of reference symbols A ... Dispensing device, B ... Holding plate, D ... Thickness S ... Temperature sensor, L ... Length, a ... Dispensing head b ... Mounting table, c ... ... Supply hopper, d ... Recovery hopper e ... Transfer conveyor, f ... Lift, g ... Transfer conveyor h ... Electric heater, k ... Case, w ... Mating part z ... Zone, M1 ... M5: Motor, 1 ... Titration plate 10 ... Hole, 11 ... Dispensing needle, 2 ... Machine 20 ... Machine frame, 3a ... Delivery mechanism, 30 ... Hopper main 31 ... Delivery port, 32 …… Side frame, 33 …… Hinge 34 …… Rotary shaft, 35 …… Crank wheel, 36 …… Link rod 37 …… Locking claw, 40 …… Hopper body, 41 …… Inlet 42 …… Locking Claws, 43 ... Spring, 44 ... Bulkhead 45 ... Hinge, 46 ... Door, 47 ... Lid plate 48 ... Exhaust hole, 50 ... Blower, 51 ... Ventilator 60 ... Guide rail, 61 …… Transport chain, 62… Connecting rod 63 …… Feed claw, 64 …… Sprocket shaft, 70 …… Abutment 71 …… Guide support, 72 …… Base, 73 …… Eccentric cam 74 …… Support plate, 75 …… Spring, 76 …… Rotating shaft 77 …… elastic material, 78 …… balancer, 79 …… engaging pin 80 …… guide rail, 81 …… conveying chain, 82 …… connecting rod 83 …… sending pawl, 84 …… sprocket shaft, 9… … Main body 90 …… Mating recess, 91 …… Recess, 92 …… Swelling 93… Projecting wall, 94 …… Notched window hole, 95 …… Engagement hole 950 …… Opening

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A 64-84148 (JP, A) JP-A 1-112162 (JP, A) Special table 63-502615 (JP, A)

Claims (2)

[Claims] 1. A supply hopper c for mounting a transfer conveyor e of a titration plate 1 on the upper surface side of a machine body 2, and for feeding the titration plates 1 one by one from a delivery port 31 at the lower end above the transfer conveyor e. , Dispensing head a with dispensing needles 11 ...
And a collection hopper d that receives the titration plate 1 from the receiving port 41 at the lower end in that order in the transport direction of the transfer conveyor e and is mounted on the machine body 2 and mounted on the machine body 2. , Are installed in parallel to the machine body 2 and are controlled so that a predetermined reagent is dispensed from the dispensing head a selected from the dispensing heads a, and the recovery hopper d is set to the titration plate. 1 is formed in the shape of a tunnel that passes vertically, and an electric heater h is installed inside it to form a double-sided thermostat, and the supply hopper c is formed in the shape of a tunnel that the titration plate 1 passes vertically. Between the opening on the upper surface side of the supply hopper c and the opening on the upper surface side of the collection hopper d, the titration plate 1 pushed up by the opening on the upper surface side of the collection hopper d is mounted on the upper surface side of the supply hopper c. Open Dispensing device for blood test, wherein a transfer conveyor g for transferring the mouth and cathodic So設. 2. A partition wall on the front side of a partition wall 44 which surrounds the outer periphery of a recovery hopper d in which an electric heater h is incorporated and which is formed in a vertically permeable tunnel shape is formed in a door 46 which can be opened and closed. Dispensing device for blood test described.