JP2002065242A - Distributor for sensitive disk - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a distributor for sensitive disks designed to distribute the sensitive disks one by one into a culture medium in confirmation of pharmaceutical effects, etc., of antibiotics and capable of horizontally and surely feeding the disks without being caught during falling. SOLUTION: This distributor for the sensitive disks (30) is obtained by housing a cartridge (3) for housing the disks (30), a sliding plate (5) for taking out the disks (30) from the cartridge (3) and a feeding mechanism (7) for feeding the disks (30) in a case (1). The feeding mechanism (1) is composed of a liftable and a lowerable plunger (71) arranged coaxially with a feed port (21) and a needle (72) protrusively installed in the lower end 30 that the needle (72) is capable of emerging and sinking. The needle (72) has functions to stick each disk (30) and move the disk (30) to the feed port (21) or thereunder. The plunger (71) is provided with functions to release the disk (30) from the needle (72).

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a distributor for susceptible disks, and more particularly to a distributor for distributing susceptible disks one by one to a culture medium for confirming the efficacy of an antibiotic. The present invention relates to a sensitive disk distributor which can supply a disk without being caught and can supply the disk horizontally to a culture medium.

[0002]

2. Description of the Related Art Sensitive discs (sensitive discs)
A disc impregnated with a reagent and having a diameter of about several millimeters, and is used, for example, in a bacterial susceptibility test for confirming the sensitivity of a patient to an antibiotic and the efficacy of the antibiotic. Japanese Utility Model Publication No. 60-19592 discloses a "disk distributor cartridge" for accommodating a large number of sensitive disks. Such a cartridge includes a cylindrical holder accommodating a large number of disks in a stacked state, An elastic body is provided in the holder and urges the disk toward one end, and a stopper (cross-linking portion) is provided at one end opening of the holder and locks one end of the disk in an exposed state. ing.

[0003] On the other hand, Japanese Utility Model Publication No. Sho 60-19593 discloses that a sensitive disk is transferred from a cartridge to a culture medium.
A "sensitive disc dropper" for dropping one by one is disclosed. Such a dropper comprises a holding member (holder) for holding the cartridge horizontally, and a pressing plate provided at one end of the holding member so as to be able to move up and down and constantly urged upward by an elastic body. In the dropper,
One disk exposed at one end of the cartridge is dropped downward by a pressing operation of a pressing plate. In the above-mentioned dropper, a shooter is attached to the holding member downward so as to accurately drop the disc to the drop position and press the dropped disc against the culture medium.

[0004]

In the above-described conventional disc dropper, when the disc is dropped from the tip of the cartridge, the disc is pushed out of the cartridge while the board surface is vertical, and the disc is pushed down. There is a problem that it is difficult to supply the disk in a horizontal state, for example, the disk pierces the culture medium at various angles because the drop posture of the disk changes depending on the operation of pressing down the plate. Further, when a shooter or the like is used, there is a possibility that the catch may occur during the fall.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a distributor for distributing sensitive disks one by one to a culture medium for confirming the efficacy of an antibiotic and the like. The disc can be supplied reliably without any problems, and the disc can be supplied horizontally to the culture medium.
It is an object of the present invention to provide a susceptible disc distributor which can more reliably adhere the disc to the surface of the culture medium.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a distributor for a sensitive disk according to the present invention includes a cartridge for accommodating a large number of sensitive disks, a slide plate for removing the disk from the cartridge, and a dismounting disk. And a supply mechanism for supplying the discs supplied downward to the case, and by operating the slide plate and the supply mechanism, the discs can be distributed one by one from a supply port at a lower end of the case. A dispenser for susceptible discs, characterized in that the supply mechanism is provided with a vertically movable needle for piercing the disc.

When a disk is supplied by the distributor, a specific needle in the supply mechanism pierces the disk taken out of the cartridge by the slide plate, and supplies the disk downward while maintaining its posture.

In a preferred aspect of the distributor, the supply mechanism comprises a plunger which is arranged coaxially with the supply port and which can be moved up and down, and a needle which is protrudingly provided at the lower end of the plunger. The needle of the supply mechanism has a function of descending together with the plunger in accordance with the pressing operation of the first half of the plunger, piercing the disk taken out of the cartridge, and moving the disk to or below the supply port. The plunger has a function of relatively immersing the needle in accordance with a pressing operation in the latter half of the plunger and releasing a disk from the needle.

That is, a specific needle in the supply mechanism pierces the disk taken out of the cartridge and moves it to or below the supply port by pressing down the plunger in the first half. By pressing down the jar in the latter half, the needle is relatively immersed and the disk is released from the needle. That is, the plunger and the needle in the supply mechanism function cooperatively to move the disk to a predetermined position in a horizontal state and to reliably open the disk in a horizontal state.

In a preferred embodiment of the distributor, the plunger of the supply mechanism is arranged in parallel with the cartridge on the opposite side of the slide plate in order to more securely hold the disk and open it in a horizontal state. In addition, the needle is constantly urged upward in the case by the first elastic body, and the needle is inserted into the plunger via the second elastic body that urges in a direction repelling each other. A first lock for restricting the relative elevation of the needle until the plunger reaches a predetermined lowering position, and a first lock for restricting the first lock when the plunger reaches the predetermined lowering position. A lock release means for releasing the lock and a second lock for lowering the lowering which restricts the lowering of the needle when the needle reaches the predetermined lowering position are provided.

That is, in the above-described supply mechanism, when the needle is pierced into the disk by the pressing operation of the first half of the plunger, the specific first lock ensures that the needle protrudes from the tip of the plunger. In releasing the disc from the needle by the second half pressing operation of the plunger, the specific unlocking means and the second lock ensure that the needle is immersed in the plunger and only the plunger is lowered.

In a further preferred aspect of the distributor, the needle pushed into the disk by the pressing operation of the first half of the plunger is more reliably inserted, so that the disk pushed out of the cartridge is supplied to the supply port at the lower end of the case. A shutter is provided that is held and pushed open by lowering the plunger.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a sensitive disk distributor according to the present invention will be described with reference to the drawings. 1 to 4 are views showing a main part of a distributor of a sensitive disk according to the present invention. FIG. 1 is a perspective view showing an internal structure in a state where a case is divided into half, and FIG. 2 is an exploded view showing a main member. FIG. 3 is a partially cutaway side view showing the arrangement of the main members, and FIG. 4 is a partially cutaway rear view showing the arrangement of the main members. FIG. 5 is a longitudinal sectional view showing the structure and function of the shutter viewed from the rear side. In the description of the embodiment, the sensitive disk is abbreviated as “disk”, and the distributor of the sensitive disk is abbreviated as “distributor”.

As described above, the distributor of the present invention has a diameter of about 4 to 4 which is used for testing bacteria susceptibility to antibiotics.
This is a device for supplying disks of 6 mm in thickness and about 0.5 to 1.0 mm one by one horizontally to the culture medium. Such a distributor is, as shown in FIG.
0), a slide plate (5) for taking out the disc (30) from the cartridge (3), and a supply mechanism (7) for supplying the taken-out disc (30) downward. 1). By operating the slide plate (5) and the supply mechanism (7), the disks (30) are distributed one by one from the supply port (21) at the lower end of the case (1).

The case (1) is, as shown in FIG.
It is formed as a somewhat flat box having a vertically long rectangular side shape and a portion near the bottom on the front side (left side in the state shown in FIG. 3) bulging outward. That is, the lever (6) described later is formed in such a shape that it can be easily held with one hand with the entire body facing forward. As shown in FIG. 2, the case (1) is generally constituted by two case members made of a synthetic resin having a structure which is generally cut into right and left parts in consideration of moldability and assembly. In addition, projections and grooves for disposing required members such as the cartridge (3) and the supply mechanism (7) are integrally formed on the inner surface of each case constituent member. A part of the front side of the case (1) is opened in a slit shape for rotating the lever (6).

The cartridge (3) is the same as that described in
As described in JP-A-195592, its basic structure is known. Specifically, as shown in FIGS. 1 and 2, the cartridge (3) is composed of a large number of disks ( A cylindrical holder (31) for accommodating 30);
An elastic body (32) such as a compression coil spring that is inserted into one end (upper end) of the holder and biases the disc (30) toward the other end (lower end), and is attached to the lower end of the holder (31). And a stopper (33) for locking the lowermost disk (30) in an opening at the lower end of the holder (31) in an exposed state.

As shown in FIG. 2, inside the holder (31) of the cartridge (3), a frame (34) for pressing the disc (30) toward the lower end is inserted into the lower end of the elastic body (32). The upper end of the elastic body (32) is sealed by a cap (35). In addition, holder (3
The lower end of 1) is formed completely open, and the stopper (33) is spaced apart from the lower end edge of the holder (31) by, for example, the thickness of the disc (30) and projects centrally along the diameter. It consists of two claws. The disc (30) includes the cap (35), the elastic body (3)
2) With the top (34) removed, it is loaded into the holder (31) from the upper end side.

A projection (36) for positioning the cartridge (3) in the case (1) is provided on the outer peripheral surface of the lower end of the holder (31). That is, as shown in FIG. 2, a guide groove (13) is formed by two ridges on the inner surface of the case (1), and the cartridge (3) is provided with a protrusion ( By engaging the guide groove 36) with the guide groove (13), as shown in FIGS. 1 and 3, it is arranged vertically at substantially the center of the case (1). Further, as shown in FIG. 2, the lower end of the cartridge (3) is positioned by the partition plate (14) at the bottom of the case (1) having the fitting hole of the stopper (33).

The case (1) is configured so that the cartridge (3) can be inserted from the upper end thereof. Specifically, as shown in FIGS. 2 and 3, a loading port (20) for inserting the cartridge (3) is opened at the upper end of the case (1), and the loading port (20) has: In order to lock the upper end of the loaded cartridge (3), a locking member (53) as shown in FIGS. 1 and 3 is slidably mounted in the front-rear direction.

As shown in FIG. 1, the slide plate (5) is an elongated thin plate having a width smaller than the inner diameter of the holder (31) of the cartridge (3) and having a distal end edge retreated in an arc shape.
The case (1) is horizontally arranged on a bottom portion corresponding to the above-mentioned bulging portion. As shown in FIG. 2, the slide plate (5) is arranged in a shallow groove (16) formed on the inner surface of the bottom of the case (1), and is sandwiched by the partition plate (14).

That is, the slide plate (5) is provided near the lower end of the cartridge (3) and has the holder (3).
1) It is configured to be able to advance and retreat in a direction perpendicular to the axis of the cartridge (3) with respect to the opening at the lower end. That is, FIG.
As shown in (1), the slide plate (5) moves from the front to the rear of the case (1) to enter the gap between the lower end of the holder (31) of the cartridge (3) and the stopper (33), and the holder ( It has a function of pushing out the disc (30) exposed at the lower end of 31). When the shutter (9) described later is not provided, the supply port (2
At the upper end of 1), a support piece (not shown) capable of locking a part of the outer peripheral edge of the disc (30) is provided to temporarily hold the extruded disc (30).

As shown in FIG. 1, the slide plate (5) is configured to be operable by a rotatable lever (6) provided on the front side of the case (1) in order to enhance operability. The lever (6) is formed by forming a short axis cylindrical fulcrum (63) at the base end (upper end) of an arc-shaped operation part, and a case (63) shown in FIG. The beam-like fulcrum (18) at the top of 1) is inserted so as to be swingably supported. As shown in FIGS. 1 and 3, the lower end of the lever (6) is always set to the outer side () by an elastic body (61) such as a torsion spring interposed between the case (1) and the fulcrum (18). Forward).

The lever (6) is exposed to the outside of the case (1) through the slit-shaped opening on the front side of the case (1), and the lower end of the lever (6) is inserted into the case (1). ing. A notch is provided at the lower end of the lever (6), and the notch is a base end of the slide plate (5) (an end corresponding to the front side of the case (1)).
Is engaged with the rising piece formed at the bottom. Therefore, by sliding the lever (6) together with the case (1), the slide plate (5) can be pushed rearward.

The supply mechanism (7) is provided with the slide plate (5).
This is a mechanism for moving the disk (30) taken out by the above to a predetermined position below and opening it, and as shown in FIGS. 1 and 3, the cartridge (3) in the case (1)
Is provided on the rear side of. Such a supply mechanism (7) includes a vertically movable needle (72) that pierces the disk (30) in order to maintain the horizontal posture during the movement of the disk (30).
Is provided. Specifically, at the bottom of case (1),
A cylindrical supply port (21) is formed, and the supply mechanism (7) includes a vertically movable plunger (71) arranged coaxially with the supply port (21) as shown in FIG. , And a needle (72) protrudingly provided at the lower end of the plunger.

The supply mechanism (7) includes an operation bar (7) described later.
The disc (30) is supplied by the pressing operation of 3). In the supply mechanism (7), the needle (72) is lowered together with the plunger (71) with the pressing operation of the first half of the plunger (71), The disk (30) taken out of the cartridge (3) is pierced and supplied to the supply port (21).
Alternatively, the plunger (71) is provided with a function of moving the needle (72) relatively downward with the operation of pressing down the latter half of the plunger to release the disc (30) from the needle. Has functions.

The structure of the supply mechanism (7) will be described in more detail. As shown in FIGS. 2 and 4, the plunger (71) is a cylindrical member whose lower end is somewhat reduced in diameter and opened. At the upper end thereof, an operation bar (73) projecting upward through an opening (22) of the case (1) is attached. In order to position the plunger in the case (1), a holding member (77) for holding the rail (17) formed on the inner surface of the case (1) from side to side is provided on the body of the plunger (71). It is overhanging.

The upper end of the plunger (71) is partially fixed to the rear to fix the upper end of the plunger in the case (1) and to support the tip of a guide rod (84) described later. A support block (74) projecting like an eave is provided. That is, the plunger (71) is arranged in parallel with and in parallel with the cartridge (3) on the opposite side of the slide plate (5) by engaging the holding member (77) with the rail (17).

On the other hand, as shown in FIG. 1 and FIG. 3, a guide rod (84) is inserted in the rear side of the case (1) in parallel with and parallel to the plunger (71). The lower end of the guide rod (84) is hooked on the projection (18) of the case (1) by using the notch (83) of a notch structure formed at the lower end, and the guide rod (84). The upper end (tip) of the support block (74) of the plunger (71)
Is slidably inserted through a small hole formed in the hole. A first elastic body (81) such as a compression coil spring is mounted on the guide rod (84) so as to be sandwiched between the hook (83) and the support block (74). That is, the plunger (71) is constantly urged upward in the case (1) by the first elastic body (81) attached to the rear side thereof.

The needle (72) is inserted into the plunger (71) as shown in FIG.
The upper end of (2) has a brim (75c) projecting left and right and a piece member (7) slidably inserted into the plunger (71).
It is attached to 5). A slot (7) is provided on the outer peripheral surface of the plunger (71) from the upper end to a certain position on the lower end.
1p) are provided symmetrically, and the above-mentioned piece member (7
The flange (75c) of 5) functions as a first lock (91) and a second lock (93) to be described later by projecting outward from the slot (71p).

The needle (72) is inserted into the plunger (71) via a second elastic body (82) such as a compression coil spring that urges in a direction repelling each other. That is, the needle (72) is a second elastic body (82) interposed between the lower end of the operation bar (73) attached to the upper end of the plunger (71) and the piece member (75).
Thus, the tip of the needle (72) is normally projected downward from the tip of the plunger (71) in the plunger (71).

Further, in the distributor of the present invention, the disk (30) pierced by the needle (72) is fed to the supply port (21), preferably through the supply port (21) and further to the supply port (21). Move to a lower predetermined position.
Therefore, in order to accurately define the lowering position and the opening position of the disc (30), the supply mechanism (7) controls the relative rising of the needle (72) until the plunger (71) reaches the predetermined lowering position. A first lock (91) for restricting upward movement, and a lock releasing means (9) for releasing the first lock (91) when the predetermined lower position is reached.
2) and a second lock (93) for regulating the lowering of the needle (72) when the predetermined lowering position is reached.

Specifically, the first lock (91) pierces the disk (30) with the needle (72) and moves the needle (7) while moving the disk (30) to a predetermined position.
It is provided to maintain the protruding state of 2). FIG.
As shown in FIG. 5, the first lock (91) extends from the left and right sides of the support block (74) at the upper end of the plunger (71) along the axis of the plunger and has a bow-like outwardly curved elasticity. A deformable locking bar (76) and a case (1) for supporting the plunger (71) and for restricting the expansion of the locking bar (76) when the plunger (71) moves up and down a predetermined distance. Said rail (17),
And a flange (75c) of a piece member (75) projecting outward from a slot (71p) of the plunger (71).

The lock releasing means (92) for releasing the first lock (91) is provided below the above-mentioned elastically deformable arcuate locking bar (76) and the rail (17) of the case (1). And a space portion (19) provided in the space.
The second lock (93) is provided with a plunger (71).
When the needle (72) is further lowered, the needle (72) is prevented from further lowering with the plunger, and the needle (7) is controlled.
It is provided to define the falling end (falling end) of 2). The second lock (93) is provided with the above-mentioned piece member (75).
Rail (75c) and the rail (1) on the inner surface of the case (1).
7) and an abutment (15) provided further below the space (19).

The operation of supplying the disk (30) to the medium by the distributor of the present invention is as follows. First, the case (1) is held as described above, and the supply port (2) is placed immediately above the medium.
After positioning 1), squeeze the lever (6) and push it backward. With this operation, the slide plate (5) moves rearward, and the holder (3) of the cartridge (3) is moved.
1) The lowermost disk (3) that enters the gap between the lower end and the stopper (33) and is exposed at the lower end of the holder (31).
Push 0) backward. When the lever (6) is released after one pushing operation, the lever (6) and the slide plate (5) return to the initial position by the restoring force of the elastic body (61).

Next, the operation bar (7) of the supply mechanism (7)
3) Push down to lower the plunger (71). First, the needle (72) is lowered together with the plunger (71) by the pressing operation of the first half of the plunger (71), pierces the disk (30) taken out of the cartridge (3), and pierces. To move to the supply port (21). In that case, the first lock (91) inserts the needle (72) into the tip of the plunger (71) when piercing the needle (72) into the disc (30) by the pressing operation of the first half of the plunger (71). Make sure it protrudes.

That is, in the first lock (91), the rail (17) is moved while the plunger (71) is lowered by a certain distance from the upper end of movement (the starting point of movement) by the pushing operation of the first half of the operation bar (73). The locking bar (76)
Plunger (71)
The locking bar (76) is positioned close to the outer peripheral surface of the plunger (71). The distal end (lower end) of the locking bar (76) close to the outer peripheral surface of the plunger (71) is connected to the flange (75c). The contact restricts the upward relative movement of the bridge member (75) inside the plunger (71).

Subsequently, the operation bar (7) of the supply mechanism (7)
When the plunger (71) is further lowered by further pushing down the plunger (71), the plunger (71) relatively retracts the needle (72) by the latter half-down operation, and the disc is displaced from the needle. Release (30).
That is, the plunger (7) in the supply mechanism (7)
1) and the needle (72) work cooperatively to open the disc (30) horizontally and securely. In that case, the lock release means (92) and the second lock (93)
When the disc (30) is released from the needle (72) by the pressing operation in the latter half of the plunger (71), the needle (72) is securely immersed in the plunger (71), and only the plunger (71) is Is surely lowered.

That is, in the unlocking means (92), by further lowering the plunger (71) lowered by a certain distance, the tip of the locking bar (76) enters the space (19). Spread with the piece member (7
5) Open the flange (75c). In the second lock (93), when the plunger (71) is further lowered from the unlocked position, the abutment (15) is brought into contact with the flange (75c) of the bridge member (75). The downward movement of (75c) is restricted. At this time, since the locking bar (76) is expanded, the piece member (75) relatively rises with the lowering of the plunger (71), and the needle (72) moves inside the plunger (71). Buried in As a result, the plunger (71) moves the needle (7).
The disc (30) pierced in 2) is pushed down to release from the needle (72).

After the disk (30) is supplied, the plunger (71) is pushed up to the rising end of the starting point by the restoring force of the first elastic body (81) by releasing the operation bar (73). As the plunger (71) rises, the restoring force of the second elastic body (82) pushes the needle (72) down to the lower end of the starting point in the plunger (71). Project from the tip.

As described above, in the distributor of the present invention,
The disk taken out of the cartridge by the slide plate (5) is supplied to a specific needle (72) of the supply mechanism (7).
Pierces, and supplies downward while maintaining its posture. In other words, in the distributor of the present invention, the center of the disc (30) is pierced and held by the needle (72) of the supply mechanism (7), and is moved to the supply port (21) in the pierced state. When the plunger (71) is lowered in the latter half, the needle (72) is retracted into the plunger (71), and the disc (30) is opened in a horizontal state at the tip of the plunger (71). Therefore,
The disk (30) can be supplied in a horizontal state without being caught and the disk (30) can be securely brought into close contact with the surface of the culture medium.

In particular, as described above, the first lock (91) for restricting the relative rise of the needle (72), and the lock release means () for releasing the first lock (91) at a predetermined lowered position. 92) and the needle (7
The second lock (93) for restricting the lowering of 2) is provided in the supply mechanism (7), so that the needle (72)
Can be defined more accurately, the disc (3
0) can be held more reliably and supplied in a horizontal state.

When distributing the disk (30) to the culture medium, it is preferable that the disk (30) be brought into close contact with the culture medium as well as being supplied in a horizontal state. Further, when distributing a plurality of discs (30), it is preferable that each disc (30) is brought into close contact with the medium. Therefore, the supply port (21) of the distributor for the culture medium
Use a jig that can always maintain a constant height, and
If the supply position of the disk (30) in the supply mechanism (7) is set at a fixed position below the supply port (21), the disk (30) is always brought into close contact with the culture medium with a constant force. Can be done.

That is, in the distributor according to the present invention, the lowering distance and lowering end of the plunger (71) and the lowering end of the needle (72) in the supply mechanism (7) are controlled by the first lock (91) and the lock. Release means (92) and second
By adjusting by the design of the lock (93) of
For example, a disk (30) 1 mm above the surface of the culture medium
Is released from the needle (72), and 0.5 mm from the surface of the medium.
mm, the lower end of the plunger (71) can be lowered, so that a disk (30) having a thickness of 0.7 mm can be supplied to be embedded in the surface of the medium by 0.2 mm.

In a further preferred embodiment of the present invention, the needle (72) is more securely pierced into the disc (30) by the pressing operation of the first half of the plunger (71), as shown in FIG. In the supply port (21) at the lower end of the case (1), specifically, at the upper end of the supply port (21),
Disk (30) extruded from cartridge (3)
And a shutter (9) is provided which is pushed open by the lowering of the plunger (71).

The shutter (9) is connected to the plunger (7).
It is composed of two shutter components (90) that can be opened and closed by the lifting operation of 1). Each shutter component (90)
A pressed portion (9a) integrally formed of an elastically deformable synthetic resin, and having a substantially vertically elongated triangular cross-sectional shape with a part of the lower end bulging inward; A disk receiving portion (9c) protruding inward from the lower end of (9a) in a flat plate shape, and an elastic portion (9b) protruding in a thin plate shape from the lower end of the pressed portion (9a) to the back side (outside). And

The shutter (9) holds the disc (30) pushed out of the cartridge (3) by the two shutter components (90) functioning in cooperation. That is, before operating the plunger (71),
The shutter (9) is such that the bulging portions of the pressed portions (9a) of the respective shutter component members (90) protrude inward from each other, and the disk receiving portions (9c) of the respective shutter component members (90). Are close to each other (see FIGS. 4 and 5 (a)). Therefore, the disc receiving portion (9c) holds the disc (30) pushed by the operation of the slide plate (5) in a horizontal state as it is pushed. As a result, the plunger (71) of the supply mechanism (7)
When the needle (72) is lowered by the operation of (1) and the disk (30) is pierced, the piercing can be surely performed.

Next, as described above, when the plunger (71) is further lowered while the disc (30) is pierced, the lower end of the plunger (71) is pressed against the pressed portion (9a).
Press the swelling part of. Each shutter component (90)
When the plunger (71) enters (falls) into the gap, a force is applied to the pressed portion (9a) in a direction of escaping to the outer peripheral side of the plunger (71). Move in a direction away from each other (see FIG. 5B). As a result, the disk receiving section (9c)
Are also separated from each other to form an opening through which the plunger (71) can pass, and as described above, the disc (30) can be moved to or below the supply port (21), and the disc (30) can be moved at a predetermined position. It can be opened (see FIG. 5C).

After the disk (30) is supplied, the resilient portion (9b) pressed against the inner surface of the case (1) causes the restoring force of the plunger (71) to move up.
Each shutter component (90) returns to the initial state shown in FIG. The shutter (9) as described above is connected to the supply port (2
In the distributor of the present invention provided in 1), when the needle (72) is pierced into the disc (30), the disc (30) can be supported from below in a horizontal state, so that the disc (30) can be pierced more reliably. The disk (30) can be reliably moved to the supply port (21) or a predetermined position below the supply port (21).

Although not shown, in the distributor of the present invention, a maintenance slit is provided at a position from the lower end of the cartridge (3) on the bottom surface of the case (1) to the supply port (21), so that the provisional slit is provided. Even when the disk is closed during the extrusion operation due to defective molding of the disk (30), the removal operation can be easily performed from the bottom side without removing each member.

[0050]

According to the sensitive disk distributor of the present invention, since the disk is pierced by the needle of the supply mechanism and is supplied downward while maintaining its posture, the disk can be supplied in a horizontal state without being caught. . In particular,
According to the dispenser of the sensitive disk in which the supply mechanism is composed of a specific plunger and a needle, the disk is pierced and held by the needle of the supply mechanism,
The needle is moved into or below the supply port in a pierced state, and the needle is retracted into the plunger by lowering the latter half of the plunger and the disc is opened horizontally at the tip of the plunger. The disk can be supplied in a proper state, and the disk can be securely adhered to the surface of the culture medium.

A first lock for regulating the relative rise of the needle, a lock releasing means for releasing the first lock at a predetermined lowering position, and a second lock for restricting the lowering of the needle at a predetermined lowering position. According to the distributor of the sensitive disk according to the present invention, in which the lock of the needle is provided on the supply mechanism, the operation of retracting and retracting the needle can be more accurately defined, so that the disk can be more securely held and supplied in a horizontal state.

Further, according to the distributor of the sensitive disk according to the present invention in which the specific shutter is provided at the supply port, when the needle is pierced into the disk, the disk can be supported in a horizontal state from below, so that the disk can be more reliably. The disc can be pierced, and the disc can be reliably moved to the supply port or a predetermined position below the supply port.

[Brief description of the drawings]

FIG. 1 is a perspective view showing the internal structure of a distributor of a sensitive disk according to the present invention.

FIG. 2 is an exploded perspective view showing the main members of the distributor of the sensitive disk according to the present invention.

FIG. 3 is a side view, partially broken away, showing the arrangement of the main components of the distributor of the sensitive disk according to the invention.

FIG. 4 is a rear view, partially broken away, showing the arrangement of the main components of the distributor of the sensitive disk according to the invention.

FIG. 5 is a vertical cross-sectional view showing the structure and function of a shutter as viewed from the back side.

[Explanation of symbols]

 1: Case 21: Supply port 3: Cartridge 30: Disk 31: Holder 32: Elastic body 33: Stopper 5: Slide plate 6: Lever 7: Supply mechanism 71: Plunger 72: Needle 81: First elastic body 82: Second elastic body 9: shutter 91: first lock 92: unlocking means 93: second lock

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Tsutomu Watanabe 3-1, Chuo, Ami-cho, Inashiki-gun, Ibaraki Pref. Yuka Electronics Co., Ltd. Tsukuba Center (72) Inventor Michio Kato Chuo-Hachi, Ami-cho, Inashiki-gun, Ibaraki No.3-1, Yuka Denshi Co., Ltd. Tsukuba Center F-term (reference) 2G058 CC09 CD24 CF28 HA00 4B029 AA07 BB02 BB06 CC05 FA07

Claims (7)

[Claims] 1. A cartridge (3) for accommodating a number of sensitive disks (30), a slide plate (5) for taking out a disk (30) from the cartridge (3), and a disk (30) taken out downward. The supply mechanism (7) for supplying the disk is accommodated in the case (1), and the disk is moved from the supply port (21) at the lower end of the case (1) by operating the slide plate (5) and the supply mechanism (7). A dispenser for sensitive disks configured to be able to distribute (30) one by one, wherein a supply mechanism (7) is provided with a vertically movable needle (72) that pierces the disk (30). Features sensitivity disk distributor. 2. A supply mechanism (7) comprising a plunger (71) which is arranged coaxially with a supply port (21) and which can be raised and lowered, and a needle (72) which protrudes from a lower end of the plunger so as to be able to protrude and retract. The needle (72) of the supply mechanism (7) is lowered together with the plunger in accordance with the pressing operation of the first half of the plunger (71), and the disk (30) taken out of the cartridge (3). With a function of piercing the supply port (21) or moving it below.
The plunger (71) has a function of relatively retracting the needle (72) with a pressing operation in the latter half of the plunger and releasing the disc (30) from the needle. Sensitivity disc distributor. 3. The plunger (71) of the supply mechanism (7).
Is arranged in parallel with the cartridge (3) on the opposite side of the slide plate (5), and is constantly urged upward in the case (1) by the first elastic body (81), so that the needle (72)
Are the second elastic bodies (8
2) is inserted into the plunger (71) through the supply mechanism (7), and the supply mechanism (7) regulates the relative rise of the needle (72) until the plunger (71) reaches a predetermined lowering position. A first lock (91) for ascending control, and a first lock (91) when the predetermined lowering position is reached.
A lock release means (92) for releasing the needle and a second lock (93) for lowering the lowering of the needle (72) when the predetermined lowering position is reached. 3. The distributor of the sensitive disk according to 2. 4. A disc (3) extruded from a cartridge (3) is provided in a supply port (21) at a lower end of the case (1).
4. Dispenser according to claim 3, wherein a shutter (9) is provided which holds 0) and is pushed open by the lowering of the plunger (71). 5. A cartridge (3) comprising: a cylindrical holder (31) for accommodating disks (30) in a stacked state;
A disk (30) provided on the upper end side of the holder;
(32) for urging the lower end side, and the holder (3)
A stopper (33) which is attached to the lower end of (1) and locks one disk (30) of the lowermost layer in an opening of the lower end of the holder (31) in an exposed state, and a slide plate (5). The cartridge is provided near the lower end of the cartridge (3), and is configured to be able to advance and retreat in a direction perpendicular to the axis of the cartridge (3) with respect to the opening at the lower end of the holder (31). A dispenser for a susceptible disc according to any of the preceding claims. 6. The slide plate (5) is operable by a rotatable lever (6).
A dispenser for a susceptible disc according to any one of the preceding claims. 7. The dispenser for sensitive disks according to claim 1, wherein the case (1) is configured such that the cartridge (3) can be inserted from an upper end thereof.