JP2022056166A - Medicine packaging apparatus - Google Patents

Abstract

To provide an apparatus capable of safely and efficiently removing an installing medicine storage containers in a medicine packaging apparatus.SOLUTION: A medicine packaging apparatus 1 includes a medicine weighing section for measuring the weight of a medicine weighing container 3 storing medicines released from a medicine storage container 2, storage shelves 5a and 5b on which a plurality of medicine storage containers and medicine weighing containers can be placed, a container transfer device for transferring the medicine storage containers and medicine weighing containers between the medicine weighing section and a medicine release section, filling doors 707a and 707b configured to take out, from the front, a part of the medicine storage containers or medicine weighing containers placed on the storage shelves, a first locking mechanism 717-1 locking the filling doors, shielding bodies 709a and 709b openably/closably provided between the container shelves and the container transfer device, and a control section unlocking the first locking mechanism only when the closed state of the shielding bodies is detected.SELECTED DRAWING: Figure 9

Description

INDUSTRIAL APPLICABILITY The present invention is a door capable of safely and efficiently taking out and mounting a drug storage container to be used in a drug packaging device that packages a drug such as powder into individual packages according to a prescription. The present invention relates to a drug packaging device having a structure.

In the drug packaging work, in which a drug consisting of powder such as granules is packaged into individual packages for each dose or a predetermined amount of drug, the weight of one prescription of the drug is manually placed on an electronic balance. The pharmacist was carrying out the work of weighing and weighing. However, since this weighing work is a nerve-wracking work and takes a long time, it has been required to automate this weighing work. As one of the methods, an automatic weighing type powder packaging machine as in Patent Document 1 has been put into practical use. With this device, once data of a plurality of electronic prescriptions is input, it is possible to operate continuously without any intervention of a staff member. Therefore, by significantly reducing the burden on the staff, it contributes to the efficiency of dispensing work.

In Patent Document 1, two types of containers, a powder storage container and a powder temporary storage container, are used, and all of them can be placed on a plane-arranged shelf accessible from the front surface of the device. With the continuous operation of the device, it is necessary to remove the container from the device or install the container in the device in order to deal with the shortage of the drug in the powder container and the cleaning of the temporary powder storage container. Become.

When taking out such a container or attaching the container, the position of the corresponding shelf is guided by an LED display or the like, the front door of the shelf is opened, the corresponding container is taken out, and the container is stored. At this time, the container transfer device may be operating on the back surface of the shelf, and if the hand is inserted into the inside of the shelf, the hand may come into contact with the container transfer device.

Therefore, the front door of the shelf is locked so that it cannot be opened by hand while the container transfer device is in operation, and safety measures are taken. However, if the operation is continuous, the lock will always be applied. In the end, the operation is to stop the device and then open and close the door. In this case, although the device can be continuously operated, it is necessary to stop the device from time to time in order to replace the container, which causes a problem that the work efficiency is lowered.

Japanese Patent No. 6406785

The problem to be solved by the present invention is the safe and efficient removal of the drug storage container used in the drug packaging device for packaging a drug such as powder into individual packages according to a prescription. Regarding devices that can be loaded.

In order to solve the above-mentioned problems, the drug packaging device of the embodiment measures the drug weighing by measuring the weight of the drug measuring container containing the drug released from the drug container that releases the drug contained therein. A drug weighing unit that measures the weight of the drug contained in the container, a drug releasing section that releases the drug from the drug measuring container containing the drug, and a drug released in the drug releasing section are divided into one packet each. A packaging device for wrapping and wrapping, a container shelf provided on the front side of the device housing and capable of mounting a plurality of the drug storage container and the drug measuring container, and a container provided on the back side of the container shelf. A container transfer device for transferring the drug storage container and the drug measuring container between the shelf, the drug measuring unit, and the drug releasing unit, and a container transfer device placed on the container shelf in front of the container shelf. A filling door that is provided so that a part of the drug containing container or the drug measuring container can be taken out from the front surface and can be opened and closed, a first locking mechanism that electrically locks the filling door in a closed state, and the filling door. A shield provided openable and closable between the container shelf and the container transfer device at a position facing the container, a detector for detecting that the shield is in a closed state, and an instruction to open the filling door. When this is done, it has a control unit that unlocks the first locking mechanism only when the detector detects the closed state of the shield.

It is a front view of the drug packaging apparatus which concerns on one Embodiment. It is a front view which shows the state which the front cover of the medicine packaging apparatus which concerns on one Embodiment was removed. It is a front sectional view of the drug packaging apparatus which concerns on one Embodiment. It is a side sectional view of the drug packaging apparatus which concerns on one Embodiment. It is a perspective view of the drug containing container and the drug measuring container which concerns on one Embodiment. It is a perspective view of the rotation mechanism of the medicine measuring container of one Embodiment. It is a side sectional view of the drug release part of one Embodiment. It is a perspective view of the disk distribution device of one Embodiment. It is a top sectional view in operation of the device of the container mounting shelf of one embodiment. It is a plan sectional view of the container mounting shelf of one embodiment while the device is stopped. It is a perspective view of the back shutter of one Embodiment. It is a conceptual diagram of the electromagnetic lock mechanism of one Embodiment. It is a screen view of the touch display of one Embodiment. It is a control block diagram of the drug packaging apparatus of one embodiment. It is an operation flowchart of the medicine packaging apparatus of one Embodiment.

Hereinafter, the automatic weighing type drug packaging device according to the embodiment will be described with reference to the drawings. FIG. 1 is a front view of the drug packaging device 1 according to the embodiment, FIG. 2 is a front view with the front cover of the drug packaging device 1 according to the embodiment removed, and FIG. 3 is a front view of the drug packaging device 1 according to the embodiment. Front sectional view, FIG. 4 is a side sectional view of the drug packaging device 1 according to the embodiment, FIG. 5 is a perspective view of the drug storage container 2 and the drug measuring container 3 according to the embodiment, and FIG. 6 is a drug weighing according to the embodiment. It is a perspective view of the rotation mechanism of a container 3. Further, the powdered drug referred to here means a powdery drug having different properties, from fine powder to granules.

There are two types of drug containers handled by the automatic weighing type drug packaging device 1, and one of them, the drug container 2, is for storing a large amount of individual powders. The other is a drug measuring container 3, which discharges a specific amount of powder from the drug containing container 2 according to a prescription, and drops and stores the released powder in the drug measuring container 3 while weighing the weight of the released powder. In the drug packaging device 1, the powder is further discharged from the drug measuring container 3 containing the weighed powder into the distribution disk, and the powder is packaged into individual packages having the number of packages specified by the prescription.

Here, the drug storage container 2 is a dedicated container for storing only a specific drug, whereas if the drug measuring container 3 is also dedicated for each drug, the same number of containers as the drug storage container 2 is required. It ends up. As a result, the size of the automatic weighing type drug packaging device 1 becomes large, so that a small number of drug measuring containers 3 are reused for each drug.

As shown in FIG. 1, the drug packaging device 1 has a left door 702a and a right door 702b, which are held by hinges 701a, 701b, 701c, and 701d and can be opened by double doors, on the front surface of the housing 4. The transparent covers 703a and 703b are attached to the upper portions of the respective doors, and even when the doors are closed, the inside thereof can be visually recognized from the front side of the device via the transparent covers 703a and 703b. Container shelves 5a and 5b are provided on the front side of the housing 4 of the drug packaging device 1, and the drug storage container 2 and the drug measuring container placed on the container shelves 5a and 5b via the transparent covers 703a and 703b. The LED display 705 of a part of 3 and the part on which it is placed can be visually recognized.

In order to carry out the above-mentioned automatic weighing and automatic packaging, left and right container shelves 5a and 5b on which the drug containing container 2 and the drug measuring container 3 can be placed and stored are provided on the front side of the housing 4. It is provided. On the back side of the container shelves 5a and 5b, a container transfer device 6 for transferring the drug storage container 2 and the drug measuring container 3 between these container shelves 5a and 5b and other devices described later is provided. There is. Further, as shown in FIG. 2, two drug measuring devices 7a and 7b are provided at the lower left and right of the container shelves 5a and 5b, and two disk distribution devices 8a and 8a are provided below the container shelves 5a and 5b. 8b is provided. Further, below the disk distribution devices 8a and 8b, a packaging device 10 is provided in which packaging paper is attached and the medicines for each package falling from the upper and lower hoppers 9 described later are continuously packaged. ..

As shown in FIG. 2, in the drug measuring devices 7a and 7b, the drug storage container 2 is placed on the drug discharging unit 500, and the drug measuring container 3 is arranged under the drug discharging unit 500 to release the drug. .. At this time, the drug measuring container 3 is placed on an electronic scale 600 for measuring the weight of the drug, and is accommodated by measuring the total weight of the drug measuring container 3 and the drug released from the drug containing container 2. The weight of the drug is calculated. The drug release unit 500 will be described in detail later.

Further, the disk distribution devices 8a and 8b are provided with the same drug release unit 500 as the drug release unit 500 provided in the drug measuring devices 7a and 7b. Then, the drug measuring container 3 containing the drug weighed by the drug measuring devices 7a and 7b is placed on the drug discharging unit 500, and the drug is discharged from the drug measuring container 3 by the operation of the drug discharging unit 500. It is a thing. The disk distribution devices 8a and 8b are each provided with two drug release units 500. The disk distribution devices 8a and 8b will be described in detail later.

As shown in FIG. 3, a cleaning device 100 for cleaning the drug measuring container 3, which will be described in detail later, is provided above between the disk distribution devices 8a and 8b. Further, below the packaging device 10, a control unit 12 is provided that acquires prescription information from the electronic prescription system 11 on the upper PC server and controls the entire automatic weighing type drug packaging device 1. The electronic prescription system 11 is provided with a storage unit 11a for storing information indicating whether or not the drug measuring container 3 needs to be cleaned after use for each drug. Further, the control unit 12 is also provided with a storage unit 12a for storing information indicating whether or not the used drug measuring container 3 needs to be cleaned, which is acquired from the storage unit 11a of the electronic prescription system 11.

Further, below the packaging device 10, suction devices 13a and 13b for collecting and exhausting dust and a compressor 14 for blowing out high-pressure air are also provided as an air source for the cleaning device 100 and other parts.

Since the container shelves 5a and 5b are arranged in a plane when viewed from the front, the drug storage container 2 and the drug measuring container 3 can be accessed from the front surface of the device. Further, it is preferable that the container transfer device 6 arranged on the back side of the container shelves 5a and 5b is an electric orthogonal slide device of the XYZ axes. As shown in FIGS. 3 and 4, movable pieces 6X1 and 6X2 are provided so as to be slidable in the vertical direction (Z-axis direction) with respect to the left and right vertical Z-axis 6Z1 and 6Z2 of the housing 4. A horizontal X-axis 6X is attached to these movable pieces 6X1 and 6X2. Further, the horizontal X-axis 6X is provided with a movable piece 6Y1 slidably provided in the left-right direction (X-axis direction). The movable piece 6Y1 is provided with a front-rear Y-axis 6Y extending in the depth direction. Further, a movable piece 6A that can be moved in the front-rear direction (depth direction) of the housing is provided with respect to the front-rear Y-axis 6Y. As a result, the movable piece 6A realizes a 3-axis orthogonal moving device.

Further, a 180-degree rotation actuator 6R is attached to the movable piece 6A of the front-rear Y-axis 6Y, and a container gripping mechanism 6C by an electromagnet is attached to the movable piece 6A. Then, for example, the grip portion 3a of the drug measuring container 3 is gripped by the container gripping mechanism 6C, and the drug measuring container 3 is held by the container shelves 5a, 5b, two drug measuring devices 7a, 7b, and two disk distribution devices 8a. , 8b and move. Further, when the medicine measuring container 3 is moved to the cleaning device 100, the open upper surface 3b of the medicine measuring container 3 can be rotated downward and moved.

5 (a) is a perspective view of the drug storage container 2, and FIG. 5 (b) is a perspective view of the drug storage container 2 with the upper lid 2b open. Further, FIG. 5C is a perspective view of the drug measuring container 3, and the upper surface 3b of the drug measuring container 3 is open. Further, FIG. 5D is a view in which the drug measuring container 3 is rotated 180 degrees and the open upper surface 3b is directed downward. Reference numeral 2a is a gripping portion of the drug containing container 2, and 3a is a gripping portion of the drug measuring container 3. As can be seen from FIG. 5, the drug containing container 2 and the drug measuring container 3 differ only in whether or not they have a lid on the upper surface, and have the same shape and mechanism for releasing powder from the container. Further, the gripping portions 2a and 3a are also the same, and can be gripped in common by the container gripping mechanism 6C.

RFID tags M are attached to the bottom surfaces of the drug storage container 2 and the drug measuring container 3, and RFID readers attached to the shelf numbers of the destinations of the respective containers, the drug discharging section 500, and the drug measuring section 600. Information can be read and written to and from the writer (not shown). As a result, the current positions of the drug storage container 2 and the drug measuring container 3 can be grasped, respectively.

FIG. 6 is a perspective view of a state in which the drug measuring container 3 is gripped by the rotary actuator 6R of the container transfer device 6 and the container gripping mechanism 6C, and FIG. 6A is an open upper surface 3b of the drug measuring container 3. Shows an upward state, and FIG. 6B shows a state in which the upper surface 3b of the drug measuring container 3 faces downward. In the state shown in FIG. 6B, the drug adhering to the inside of the drug measuring container 3 may fall. Therefore, as shown in FIGS. 3 and 6, the falling drug tray 15 is placed in the housing 4. It is provided. Then, the medicine measuring container 3 is rotated downward by the rotary actuator 6R only at the position facing the falling medicine tray 15.

The above-mentioned container shelves 5a and 5b arranged in a plane and the container transfer device 6 using an electric slider orthogonal to three axes can increase the degree of freedom in the arrangement of the container shelves by separately using an articulated robot or the like. Yes, it is an example of an application of the present invention.

FIG. 7 is a side sectional view of a drug discharging unit 500 for discharging a drug from the drug measuring container 3 in the disk distributing devices 8a and 8b of the drug packaging device 1 according to the embodiment. The same configuration applies to the drug discharging unit 500 from the drug storage container 2 in the drug measuring devices 7a and 7b. The drug discharging unit 500 has a container mounting table 510 on which the drug measuring container 3 can be placed, and a shaking table 520 that vibrates the drug measuring container 3 mounted on the container mounting table 510 to discharge the drug.

The shaking table 520 has a fixing plate 521 and an intermediate table 523 installed on the fixing plate 521 via a plurality of coil springs 522. Then, the container mounting table 510 is mounted on the intermediate table 523 via a plurality of leaf springs 524. An electromagnet 525 is attached to the intermediate table 523, and a magnetic iron plate 511 is arranged on the container mounting table 510 with a slight gap from the electromagnet 525.

With such a configuration, when the drug is discharged from the drug measuring container 3, the iron plate 511 is attracted to or separated from the electromagnet 525 by applying an alternating current to the electromagnet 525. As a result, since the container mounting table 510 is attached to the intermediate table 523 via the leaf spring 524, the container mounting table 510 vibrates. As a result, the drug is gradually dropped from the discharge port 3C of the drug measuring container 3.

FIG. 8 is a perspective view of the disk distribution devices 8a and 8b of the drug packaging device 1. The disk distribution devices 8a and 8b have two sets of left and right disks 811a and 811b, and two drug release units 500 are arranged for each of them. Therefore, four drug release units 500a, 500b, 500c, and 500d are provided for one drug packaging device 1. The drug measuring container 3 is placed on these drug discharging portions 500a, 500b, 500c, 500d, and the drug is discharged onto the disk 811. Further, a drug cutting device (not shown) is provided, and a donut-shaped drug is cut out one packet at a time on the disk 811 and dropped from the upper and lower hoppers 9 shown in FIG. 3 to the packaging device 10. This drug cutting device is a well-known technique as described in, for example, Japanese Patent Application Laid-Open No. 2020-340.

Reference numeral 100 is a cleaning device for cleaning the drug measuring container 3. The drug measuring container 3 that has finished releasing the drug is grasped by the container transfer device 6 when cleaning in the device is required, and is 180 degrees on the falling drug tray 15 as shown in FIG. 6 (b). After being rotated, it is cleaned by blowing high-pressure air in a state of being covered with the cleaning device 100 and sucking air.

Next, the container shelves 5a and 5b, which are the main parts of the automatic weighing type drug packaging device 1 according to the embodiment, will be described in detail.
9 is a cross-sectional view of the plane of the container shelves 5a and 5b of the embodiment during operation, FIG. 10 is a cross-sectional view of the plane of the container shelves 5a and 5b of the embodiment when the device is stopped, and FIG. 11 is a safety shutter of the embodiment. (Shielding body) A perspective view of 709, FIG. 12 is a conceptual diagram of an electromagnetic lock mechanism 717 that locks each door.

Explaining with reference to FIG. 1, the drug packaging device 1 is provided with container shelves 5a and 5b on the front surface side of the housing 4. As shown in FIG. 1, a left door 702a and a right door 702b, which are held by hinges 701a, 701b, 701c, and 701d and can be opened by double doors, are attached to the front side of the container shelves 5a and 5b. These left door 702a and right door 702b are also referred to as front doors. The transparent covers 703a and 703b are attached to the upper portions of the respective doors, and even when the doors are closed, the inside thereof can be visually recognized from the front side of the device via the transparent covers 703a and 703b. In addition, a part of the drug storage container 2 and the drug measuring container 3 placed on the container shelves 5a and 5b and the LED display 705 of the placed part (hereinafter, also referred to as a shelf number) can be visually observed. ing.

Further, touch-type displays 704a and 704b are attached to the lower portions of the left door 702a and the right door 702b, respectively. These touch-type displays 704a and 704b are used for operating the drug packaging device 1, and include the prescription currently being processed, the order of the next and subsequent prescriptions, and the drug storage container placed on each shelf number. Information such as the drug name, the amount to be accommodated, etc. of 2 is displayed. Normally, just by inputting the operation start input of the device, the instructed prescription is executed in sequence, the remaining amount of the drug in the drug storage container 2 is insufficient, the drug storage container 2 for a new drug is required, and the drug measuring container. It is also possible to perform an alarm such as the need for cleaning in 3.

When the left and right doors 702 are opened as shown in FIG. 10A, the shelves have 6 upper and lower shelves as shown in FIG. 2, and the container shelves 5a and 5b have 8 to 6 container mounting portions on each shelf. Is provided. The container shelves 5a and 5b are divided into a left container shelf 5a and a right container shelf 5b. Each of the container shelves 5a and 5b is configured to be openable and closable by hinges 706a and 706b. FIG. 10 (a) shows the container shelves 5a and 5b closed, and FIG. 10 (b) shows the container shelves 5a and 5b. Indicates the open state. By opening the container shelves 5a and 5b with double doors as shown in FIG. 10 (b), the container transfer device 6 (not shown in FIG. 10) located behind the container shelves 5a and 5b can be maintained and inspected. You can do it.

Both the drug storage container 2 and the drug measuring container 3 can be placed on the container shelves 5a and 5b. Since the shape of the bottom of the drug storage container 2 and the drug measuring container 3 is the same, both the drug storage container 2 and the drug measuring container 3 can be placed at any shelf number position.

Further, on the upper left and right of the left door 702a and the right door 702b, filling doors 707a and 707b made of transparent plates are provided by hinges 708a, 708b, 708c and 708d, respectively, so as to be openable and closable. When these filling doors 707a and 707b are opened as shown in FIG. 9B, the drug storage container 2 or the drug measuring container 3 placed on the corresponding upper three-tiered shelf number can be accessed. That is, when the left door 702a and the right door 702b are opened, the drug storage container 2 or the drug measuring container 3 can be taken out from the front surface of the device.

On the other hand, on the rear surface side of the container shelves 5a and 5b, safety shutters 709a and 709b (shields) are provided between the container shelves 5a and 5b at positions facing the shelf numbers of the filling doors 707a and 707b and the container transfer device 6. It is provided. This is to open the filling door 707 and close the rear opening of the container shelves 5a and 5b to keep the staff out of reach when the drug storage container 2 and the drug measuring container 3 are removed or loaded. It is to be provided. During normal operation, the filling doors 707a and 707b are closed and the safety shutters 709a and 709b are opened so that the container transfer device 6 can access the drug storage container 2 and the drug measuring container 3.

FIG. 11 shows the structures of the safety shutters 709a and 709b, and since the safety shutters 709a and 709b are substantially symmetrical, the safety shutter 709b on the right side will be described. Linear guides 711a and 711b that can be moved left and right by ball bearings are provided above and below the vertical substrate 710, and the stator 711 is attached to the substrate 710. Further, the rod-shaped mover 712 is attached to the shutter surface 713 side, the shutter surface 713 can be moved left and right, and FIG. 11 (a) shows a state in which the opening behind the container shelf 5b is opened, and FIG. 11 (b). ) Indicates that the opening is closed.

A stepping motor 714 for driving the opening and closing of the shutter surface 713 is attached to the substrate 710, and the pinion at the shaft end of the stepping motor 714 meshes with the rack 715 attached to the shutter surface 713. The shutter surface 713 can be moved left and right by the reciprocating rotation of the stepping motor 714. Sensors 716a and 716b (detectors) are provided at the open and closed positions of the shutter surface 713, respectively, and the shutter surface 713 blocks the sensors 716a and 716b to stop the opening and closing operations of the stepping motor 714. It is controlled to do. Further, the sensor 716b constitutes a detector that detects that the safety shutter (shield) is in the closed state.

FIG. 12 shows an electromagnetic lock mechanism 717. When the plunger solenoid 718 is energized with each opening / closing portion (door) closed, the plunger pin 719 moves to the right and engages with the latch 720 on the other side. It fits. As a result, each opening / closing part is closed and cannot be opened by the hand of the staff. On the other hand, when the energization of the plunger solenoid 718 is released, the spring 721 is urged to move the plunger pin 719 to the left, and the engagement with the latch 720 on the other side is released. As a result, each opening / closing part can be opened by a staff member. The 722 is a micro switch, which is attached to the latch 720, and the plunger pin 719 detects that the opening / closing portion is in the locked state by pushing the micro switch 722.

As shown in FIG. 9, the electromagnetic lock mechanism provided on the filling doors 707a and 707b is referred to as 717-1 (first locking mechanism). Further, the electromagnetic lock mechanism provided on the left door 702a and the right door 702b is referred to as 717-2 (second locking mechanism). Further, the electromagnetic locking mechanism provided on the container shelves 5a and 5b itself is referred to as 717-3 (third locking mechanism).

Next, the control block diagram of the drug packaging device 1 will be described with reference to FIG. A control unit 12 is provided in the drug packaging device 1, and a packaging device 10, a container transfer device 6, and an input / output control unit 70 are connected to the control unit 12 via a communication path inside the housing. In addition, in FIG. 14, only the main items related to the present embodiment are described, and some of them are omitted. Further, the control unit 12 is connected to the prescription system 11 in the pharmacy via the LAN. The control unit 12 is provided with a storage unit 12a for storing various information acquired from the prescription system 11.

The input / output control unit 70 includes a measuring unit 600 for measuring the weight of the drug measuring container 3, a discharging unit 500 for discharging the drug from the drug containing container 2 or the drug measuring container 3, and the drug measuring container 3 in the apparatus. A cleaning device 100 for cleaning and a touch-type display 704 for displaying the state of the drug packaging device 1, inputting various information, or inputting an operation instruction are connected.

Further, a door control unit 700 is connected to the input / output control unit 70. The door control unit 700 is connected to the drive unit of the pulse motor 714 that drives the opening and closing of the safety shutter 709 provided between the container shelves 5a and 5b and the container transfer device 6, and the opening / closing detection sensor 716 of the shutter surface 713. The safety shutter 709 is driven to open and close, and the open / closed state of the shutter surface 713 is detected. Further, in the door control unit 700, the electromagnetic solenoids (plunger solenoid) 718 of the electromagnetic lock mechanisms 717-1 to 717-3 provided on the doors of the left and right doors 702, the filling doors 709, and the container shelves 5a, 5b, etc. Sensors 722-1 to 722-3 that drive 1 to 718-3 and detect the locked state of each door are connected.

The overall flow of operation of the automatic weighing type drug packaging device 1 having the above configuration will be described with respect to the relationship between the opening and closing of each door and the lock.

(S-1) Normal Operation Mode The automatic weighing type drug packaging device 1 according to the embodiment has shelf numbers of container shelves 5a and 5b on which a total of 42 drug containing containers 2 and drug measuring containers 3 are placed. In the initial state, neither the drug storage container 2 nor the drug measuring container 3 is placed in the six shelf numbers corresponding to the left and right filling doors 707a and 707b. Then, for example, 33 drug storage containers 2 and 3 drug measuring containers 3 are placed in the remaining 36 places, and a main power source (not shown) is turned on. Then, as shown in FIG. 13, the initial operation screen is displayed on the touch-type displays 704a and 704b, and the electromagnetic lock mechanisms 717-1 to 717-3 of each door are locked. As a result, each opening / closing portion to which the electromagnetic lock mechanism 717 is attached cannot be opened by hand.

When the "normal operation" button is pressed here, when the prescription information is input, the device waits in an operable state, and the RFID reader provided on each shelf number of the container shelves 5a and 5b causes each drug storage container 2 and each drug. Read the RFID tag M of the measuring container 3. The control unit 12 transmits the read information of the RFID tag M, that is, the numbers of each drug storage container 2 and each drug measuring container 3 to the electronic prescription system 11. Since the electronic prescription system 11 records in advance how many g of a specific drug is stored in each drug storage container 2, what kind of drug and how many g of each drug is stored in the drug packaging device 1 side. Be grasped.

When the first prescription information is sent from the electronic prescription system 11 to the control unit 12 in this state, the control unit 12 stores the required drug in the drug storage container 2 on the drug packaging device 1 side in the required amount. If it can be confirmed that this is done, the following series of operations is started for the prescription.

That is, the drug storage container 2 containing the drug to be prescribed is transferred from the container shelves 5a and 5b onto the drug release mechanism 500 of the drug measuring devices 7a and 7b by the container transfer device 6. Further, the drug measuring container 3 is transferred onto the electronic scale 600 by the container transfer device 6.

The drug measuring devices 7a and 7b are composed of, for example, a drug discharging mechanism 500 by vibration and an electronic scale 600 such as a load cell. The drug storage container 2 and the drug measurement container 3 transferred from the container shelves 5a and 5b by the container transfer device 6 are placed on the drug storage container 2 on the drug release mechanism 500 and the drug measurement container 3 on the electronic scale 600, respectively. Place it. After that, the drug is discharged downward from the drug storage container 2, and the released drug is stored in the drug measuring container 3, and the weight of the contained drug is measured by the electronic scale 600. When the specified weight of the specified drug type is reached from the electronic prescription system 11, the release is controlled to be stopped.

When the release of the drug is completed, the container transfer device 6 returns the drug storage container 2 to the container shelves 5a and 5b, and the drug measuring container 3 containing the measured drug is transferred to the disk distribution devices 8a and 8b. To. The known disk distribution devices 8a and 8b perform circumferential sprinkling to form a donut-shaped stack in a circumferential shape by dropping the drug from the metered drug measuring container 3 onto the rotating disk 811. .. After sprinkling the medicine around the circumference, the medicine is dropped onto the upper and lower hopper 9 while rotating the disk by a specified angle, and the medicine is received from the outlet of the upper and lower hopper 9 in the wrapping device 10 for each individual package. Continuously package in.

When making a donut-shaped stack of drugs from the drug measuring container 3 in a circumferential shape with the disk distribution devices 8a and 8b, for example, vibration after detecting that the release of the drug from the drug measuring container 3 is completed by a sensor (not shown). The drug discharging unit 500 from the drug measuring container 3 is operated at the same time as a separately provided mechanism for applying a tapping vibration to the outer surface of the drug measuring container 3 to increase the vibration of the drug, so that the drug remaining in the container can be discharged as much as possible. Controlling the release can reduce the burden of the cleaning operation on the container cleaning device 100 after that.

Depending on the drug, there are a drug that does not require cleaning of the drug measuring container 3 each time, a drug that needs to be cleaned each time, and a drug that needs to be taken out of the device and cleaned by washing with water or the like. do. Therefore, in the electronic prescription system 11, the storage unit 11a stores prior information on whether or not to perform cleaning inside the device and whether or not to perform cleaning outside the device according to the type of the built-in drug for each drug storage container 2. I remember in.

The control unit 12 acquires information on whether or not cleaning is necessary for each type of drug from the storage unit 11a of the electronic prescription system 11, and stores this information in the storage unit 12a in the control unit 12. When the release of the drug from the drug measuring container 3 is completed, the control unit 12 refers to the information stored in the storage unit 12a and determines whether or not the drug measuring container 3 for which the release has been completed needs to be cleaned. to decide.

There are other cases for such a judgment that cleaning is unnecessary. That is, when the release of the drug from the drug measuring container 3 is completed, the prescription waiting for prescription execution on the electronic prescription system 11 uses the same drug as the drug measuring container 3 (referred to as prescription A). If there is, the drug measuring container 3 is stored in an empty shelf number as it is without performing cleaning. After that, the use of the drug measuring container 3 may be prohibited until the order in which the prescription A is packaged, and the drug measuring container 3 may be controlled to be used when the prescription A is packaged.

By controlling in this way, it is possible to improve the efficiency of the operation of the apparatus by cleaning the relatively frequently used drug types after using them in a plurality of prescriptions without cleaning each time.

As a result of the above determination, if it is determined that cleaning is not necessary, the medicine measuring container 3 is returned to the taken-out shelf number of the container shelves 5a and 5b by the container transfer device 6 without cleaning. The drug measuring container 3 that needs to be cleaned in the device is transferred to the cleaning device 100 by the container transfer device 6 to perform a cleaning operation. Further, the drug measuring container 3 that needs to be removed from the device and needs to be cleaned is transferred to the empty space of the filling doors 707a and 707b by the container transfer device 6 and stored. Then, the LED display 705 of the stored shelf number is lit in yellow, and the drug name is displayed on C1 to C2 of the [cleaning required measuring container] of the touch type display 704b.

In the drug packaging device 1, based on the prescription information, the drug is released from the drug container 2 to the drug measuring container 3, the drug is released from the drug measuring container 3 to the disk distribution devices 8a and 8b, and further, the released drug. A series of operations of packaging is executed each time prescription information is input, but the drug contained in the drug container 2 mounted on the drug packaging device 1 is used and packaged. Decreases with. Therefore, the mass specified by the specific prescription is subtracted from the initial storage mass, and this is stored in the storage unit 12a of the control unit 12 as the stock mass of each drug storage container 2. When this value is less than the value specified in advance, the drug storage container 2 is transferred to the empty space of the filling doors 707a and 707b of the container shelves 5a and 5b for storage. Then, the LED display 705 of the stored shelf number is turned on in yellow, and the drug name is displayed on B1 to B4 of [drugs requiring supplement] of the touch-type display 704b.

Further, in the prescription information input from the electronic prescription system 11, a drug not mounted on the drug packaging device 1 may be specified. However, since this prescription cannot be executed, the drug is kept waiting until it is loaded, and the touch-type display indicates that the drug should be prepared, and the drug name is displayed on A1 to A4 of [new drug required] of 704b. , The LED display 705 of the shelf number that reserves the loading of the drug storage container 2 is lit in red.

Next, the control of each door in each mode of the drug packaging device 1 will be described with reference to the flowchart of FIG.

(S-2) Container replacement / replenishment mode While executing a plurality of prescriptions, the space of the filling doors 707a and 707b can be replenished with a “cleaning required weighing container” which is a drug measuring container 3 that needs to be cleaned. A "replenishment-required drug container", which is a necessary drug container 2, may be placed. In addition, since it is necessary to prescribe a drug that is not contained in the drug packaging device 1, it will be reserved as a place for [new drug required].

The drug packaging device 1 operates in the normal operation mode as described above based on the prescription information (ST1). During the operation in this normal operation mode, it is checked whether or not the "container replacement / replenishment" button of the touch-type display is pressed (ST2). If the "Container replacement / replenishment" button is not pressed (ST2; N), it is checked whether or not the "Container inventory" button is pressed (ST3). If the "container inventory" button is not pressed (ST3; N), it is checked whether or not the "inspection / cleaning" button is pressed (ST4). If the "Inspection / Cleaning" button is not pressed (ST4; N), the system returns to ST1 and normal operation is continued.

During normal operation, the staff member gives an instruction to open the filling doors 707a and 707b by pressing the "container replacement / replenishment" button of the touch-type display 704a at a convenient time. When the "container replacement / replenishment" button is pressed (ST2; Y), the control unit 12 drives the stepping motor 714 via the door control unit 700 so as to close the safety shutter 709 (ST5). After that, when the sensor 716b detects that the shutter surface 713 is closed (ST6; Y), the excitation of the plunger solenoid 718-1 of the electromagnetic lock 717-1 which is the first locking mechanism is cut off (ST7). .. As a result, the safety shutters 709a and 709b are shielded, and the electromagnetic lock mechanism 717-1 provided on the filling doors 707a and 707b is released, so that each container stored in these shelves can be processed. .. At this time, the [normal operation] mode continues, and when the prescription information is input, the container transfer device 6 transfers the drug storage container 2 and the drug measuring container 3 corresponding to the prescription information, and also performs the packaging operation. It can be continued.

In this way, when the "container replacement / replenishment" button is pressed, the button changes to a blinking state, and both or one of the safety shutters 709a and 709b, that is, the "cleaning required weighing container" and the "replenishing drug container". Shields the side where the drug is stored or reserved as a place for [new drug] (ST5). After it is confirmed that the safety shutters 709a and 709b are shielded and the sensor 716b, which is a detector, is turned on (ST6; Y) to ensure the shielding, then both or one of the corresponding filling doors 707a and 707b. The electromagnetic lock mechanism 717-1 is released (ST7). Thereby, the corresponding filling doors 707a and 707b can be opened by hand. Even if a staff member's hand is inserted into the corresponding shelf number at that time, it is safe because the safety shutters 709a and 709b are closed and the operating range of the container transfer device 6 is not reached.

The safety shutter 709 may be released by the hand of a staff member when the electromagnetic lock mechanism 717-1 is released, that is, when the micro switch 722-1 is off. In that case, the hand of the staff can insert it into the operating range of the container transfer device 6. In order to prevent such a danger, when the sensor 716b detects that the closed state of the shutter surface 713 of the safety shutter 709 is no longer detected (ST8; N), the power supply of the container transfer device 6 is cut off (ST8; N). ST9), the drive mechanism is forcibly stopped. Therefore, even if the finger of the person in charge is inserted into the moving range of the container transfer device 6, the drive mechanism is stopped, so that it is safe.

The staff will take out each container for the "cleaning-required weighing container" and the "replenishment-required drug container" and take necessary measures. Further, for the "new drug required", the necessary drug is stored in the separately prepared drug container 2, and for the "replenishment drug", the drug is additionally added and the scale is not shown. In the system, the capacity and the RFID number of the container are linked and registered in the control unit 12 and the electronic prescription system 11, and the "cleaning-required measuring container" is more rigorous than that performed by the drug packaging device 1, such as washing with water. Clean and load another cleaned "drug metering container".

When the above clerk operation is completed, the filling doors 707a and 707b are closed by hand, and then the blinking "container replacement / replenishment" button is pressed again (ST10; Y), the corresponding electromagnetic lock mechanism 717-1 is activated. After locking (ST11), the safety shutters 709a and 709b are driven to open (ST12). Then, when the release of the safety shutters 709a and 709b is detected by the sensor 716a (ST13; Y), the system returns to ST1 and the normal operation mode is set. Further, when the safety shutters 709a and 709b are opened, the container transfer device 6 can access each container on the filling door 707a and 707b side, and the touch-type display can be obtained from the information registered in the electronic prescription system 11. The information of 704b is updated, and the blinking of the "container replacement / replenishment" button is stopped.

(S-3) Container inventory mode When inventory of each drug is inventoried all at once, it is not efficient to transfer it to the filling doors 707a and 707b each time, so the left door 702a and the right door, which are front doors that can be doubled, can be opened. By opening 702b, all the containers are arranged in a plane, so that all the containers can be accessed.

When the "Container inventory" button is pressed (ST3; Y), the button changes to a blinking state, the "Normal operation" button is turned off, the power of the container transfer device 6 is turned off (ST14), and then the left. By releasing the electromagnetic lock mechanism 717-2 of the door 702a and the right door 702b (ST15), the left door 702a and the right door 702b can be opened by hand, all containers can be accessed, and inventory work can be performed efficiently. Can be carried out.

In inventory, generally, the weight of each drug storage container 2 is measured by another scale system (not shown), and the actual quantity is confirmed by collating with the information registered in the storage unit 12a of the electronic prescription system 11 and the control unit 12. conduct. The drug storage container 2 for which the weight measurement has been completed is returned to the original shelf position. When the weight measurement for all the drug storage containers 2 is completed, the blinking "container inventory" button is pressed after closing the left door 702a and the right door 702b (ST16; Y). As a result, the electromagnetic lock mechanism 717-2 is driven (ST17) to lock the container, the blinking of the "container inventory" button is stopped, and each container and drug registered in the electronic prescription system 11 and the control unit 12 are stopped. It updates the relationship of. Further, at this time, the power is applied to the container transfer device 6 whose power is cut off (ST18).

(S-4) Inspection / cleaning mode When the "Inspection / Cleaning" button is pressed (ST4; Y), the button changes to a blinking state, the "Normal operation" button is turned off, and the power of the container transfer device 6 is turned on. By turning off (ST19) and releasing all electromagnetic lock mechanisms 717-1 to 717-3 (ST20), all the opening and closing parts can be opened, and the container transfer device is used for inspection and cleaning by the staff. It enables access to 6 mag. That is, as shown in FIG. 10B, the container shelves 5a and 5b themselves can be opened so that each part of the container transfer device 6 (not shown) can be cleaned and adjusted. When the "inspection / cleaning" button is pressed again (ST21; Y) after the cleaning and adjustment of each part is completed and the container shelves 5a and 5b are closed, all the electromagnetic lock mechanisms 717-1 to 717-3 are pressed. By driving (ST22), each opening / closing part cannot be opened by a staff member. After that, a power source is applied to the container transfer device 6 (ST23), and the drug packaging operation becomes possible.

Although only the power supply of the container transfer device 6 was cut off in the [container inventory] mode or the [inspection / cleaning] mode, the power supply of other drive devices such as the distribution disks 8a and 8b and the packaging device 10 was also cut off. You may do so.

As described in detail above, according to the present invention, in the powder metering type drug packaging device, not only drug replenishment or addition of a new drug can be performed during the prescription operation, but also in the case of inventory, from the front to all containers. It can provide an efficient system that can be accessed.

The apparatus according to the present invention is expected to be widely used in dispensing pharmacies and the like, and has great industrial applicability.

1 Drug packaging device 2 Drug storage container 3 Drug weighing container 5 Container shelf 6 Container transfer device 7 Drug weighing device 8 Disc distribution device 10 Packaging device 11 Electronic prescription system 12 Control unit 500 Drug release unit 600 Electronic scale (drug weighing unit)
702 Left and right doors (front door)
707 Filling door 709 Safety shutter (shield)
716 Detector 717-1 Electromagnetic lock mechanism (first locking mechanism)
717-2 Electromagnetic lock mechanism (second locking mechanism)
717-3 Electromagnetic lock mechanism (third locking mechanism)
722 Micro switch (sensor)

Claims (4)

A drug measuring unit that measures the weight of a drug contained in the drug measuring container by measuring the weight of the drug measuring container that stores the drug released from the drug container that releases the drug contained therein.
A drug release unit that discharges the drug from the drug measuring container containing the drug,
A packaging device that packages and packages the drug released by the drug release unit into individual packages.
A container shelf provided on the front side of the device housing and capable of placing the drug storage container and the drug measuring container, and a container shelf.
A container transfer device provided on the back side of the container shelf to transfer the drug storage container and the drug measuring container between the container shelf, the drug measuring section, and the drug releasing section.
On the front surface of the container shelf, a part of the drug storage container or the drug measuring container placed on the container shelf is provided so as to be able to be taken out from the front surface, and an openable / closable filling door is provided.
A first locking mechanism that electrically locks the filling door in a closed state,
A shield provided openable and closable between the container shelf at a position facing the filling door and the container transfer device, and
A detector that detects that the shield is closed, and
A control unit that unlocks the first locking mechanism only when the detector detects the closed state of the shield when the filling door is instructed to open.
Drug packaging device with. The control unit stops driving the container transfer mechanism at least when the detector cannot detect the closed state of the shield when the first locking mechanism is in the unlocked state.
The drug packaging device according to claim 1. A front door provided on the front surface of the container shelf and opened so that all drug storage containers and drug measuring containers placed on the container shelf can be taken out.
A second locking mechanism provided on the front door to limit the opening of the front door when the device operates,
The drug packaging device according to claim 1 or 2. The container shelf is provided so as to be openable and closable, and has an opening / closing mechanism that enables inspection of the container transfer device at the time of opening.
A third locking mechanism provided on the container shelf and restricting the opening of the opening / closing mechanism when the device is operated, and a third locking mechanism.
The drug packaging device according to any one of claims 1 to 3.

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