JP7137771B2 - Powder weighing device and drug packaging system - Google Patents

Description

TECHNICAL FIELD The present invention relates to a powder medicine weighing device capable of weighing a predetermined amount of powder medicine. The present invention also relates to a medicine packaging system for packaging a powdered medicine for each dose.

2. Description of the Related Art In recent years, large hospitals and large-scale pharmacies have introduced a drug packaging device (hereinafter sometimes referred to as a powdered drug packaging device) having a function of packing powdered drugs. A powdered drug packaging device is a device that individually packages powdered drugs for each dose.
Powdered medicine packaging devices are roughly divided into a type called a V-box type and a type called a distribution dish type.
A V-box-type powder medicine packaging device is disclosed, for example, in Patent Documents 1 and 2. The V-measurement type powder medicine packaging device has a horizontally elongated V-measurement (powder medicine loading section). A plurality of divided containers are arranged below the V-shaped box.
In the V-measurement powdered medicine dispensing apparatus, a pharmacist weighs powdered medicines for multiple doses and puts the powdered medicines for multiple doses into V-measurements. After that, use a spatula or the like to spread the powder evenly. Then, the shutter provided at the bottom of the V-shaped box is opened, and the powdered drug in the powdered drug charging section is charged into the divided container at the bottom. The powder in each divided container is individually packaged.

Dispensing dish-type powder medicine packaging apparatuses are disclosed in Patent Documents 3 and 4, for example.
A distribution tray-type powdered medicine packaging device includes a distribution tray having a groove on its upper surface, a distribution tray rotating means for rotating the distribution tray, a scraping device for scraping powdered medicine from the groove, a vibrating trough, and an input hopper. .
In the distribution dish type powdered medicine packaging device, a pharmacist weighs a plurality of doses of powdered medicine, puts the powdered medicines into the feeding hopper, vibrates the vibrating trough, and rotates the distribution tray.
The powdered medicine charged into the charging hopper is uniformly dispersed in the vibrating trough, moves slowly at a constant speed, and drops onto the distribution tray. The powder that falls from the trough onto the distribution tray is evenly distributed on the distribution tray.
After that, the rotary plate of the scraping device is moved to the groove of the distribution plate, the distribution plate is rotated by a predetermined angle, a predetermined amount of powdered medicine is collected on the front side of the rotary plate, and the powdered medicine is collected by rotating the rotary plate. Discharge powder. The scraped powder is then individually packaged.

JP-A-9-104402 JP-A-10-258111 JP 2010-247841 A Japanese Unexamined Patent Application Publication No. 2011-15978

In the above-described powdered medicine packaging device, it is necessary to manually weigh out the powdered medicine, which is troublesome.
An object of the present invention is to propose a new powder medicine weighing device and a packaging system to simplify the packaging work.
In addition, the present invention proposes a new powder medicine weighing device, and proposes a medicine packaging system combined with a conventional powder medicine packaging device.

One aspect of the present invention developed in order to solve the above problems is a moving table that is a drug container storage unit that stores a plurality of closed drug containers, drug discharging means, weight measuring means, and weighing. The plurality of drug containers store the powdered drugs and are accommodated on the same plane on a moving table, and the moving table has a plurality of openings into which the drug containers are inserted from above, A drug container is inserted into the opening from above and engaged therewith , and has an engaging portion that allows the drug container to be released from restraint on the moving table. One of the drug containers is selected, and the selected drug container is moved by the moving platform to the weighing container placed on the weight measuring means so that the powdered drug drops into the weighing container other than the selected drug container. It moves horizontally together with a plurality of other drug containers , stops at a position above the weighing container, is released from the restraint of the moving platform at the position above the weighing container, and is stored in the selected drug container by the drug discharge means. The powdered medicine is transferred from the drug container to a weighing container, the weight of the powdered drug transferred to the weighing container is directly or indirectly monitored by the weight measuring means, and a predetermined amount of the powdered drug is weighed from the selected drug container. A powder medicine weighing device characterized in that the medicine discharging means is stopped on the condition that the medicine has been transferred to the container.
A preferred embodiment further includes a drug container temporary placement unit provided in the main unit, and a robot that moves the manual drug container, and the manual drug container is manually moved to the main unit. , a drug container temporary placement unit, and placed on a container shaking table by a robot.
A more preferred embodiment is a medicine dispenser having a plurality of container shaking tables and a display device for displaying which one of the plurality of container shaking tables is to be used.
A more preferred embodiment is a drug dispensing device in which a manual drug container is placed on the drug weighing device and the drug is put into the manual drug container and weighed when the drug is weighed by the drug weighing device.
In a further preferred embodiment, the manual medicine container further has a rewritable information recording member, the prescription information recorded in the information recording member is read by main body side information reading means, and the prescription information is read manually. It is a drug dispensing device that is sent to the main unit side device in association with the type drug container.
In a further preferred embodiment, the main unit further has container confirmation means for recognizing a manual drug container, and when the drug weighing device measures the drug, the bar code reader reads information specifying the manual drug container, Information associated with the prescription information and the information specifying the manual drug container is transmitted from the drug weighing device, the information is received by the main device, and the manual drug container is individually specified by the container confirmation means. and a drug dispensing device for dispensing and packaging drugs according to the prescription information associated with the manually operated drug container.
Another aspect of the present invention, which has been developed to solve the above-mentioned problems, is a manual type medicine container that contains a main body device, a drug weighing device that is separated from the main body device, and drugs other than those stored in the main body device. A drug dispensing device comprising a drug container, wherein the main device is surrounded by a housing, the housing has a drug shelf area inside the drug shelf area, and a contained drug container is provided in the drug shelf area. A container storage device to be installed is provided. The weighing device can perform weighing of the selected drug, placing the manual drug container on the drug weighing device, introducing the selected drug into the manual drug container, weighing the drug, and manually The manual drug container is moved to the main unit, the manual drug container is placed on the container shaking table, the manual drug container is vibrated on the container shaking table, and the powdered drug can be discharged from the manual drug container to the powder drug dispensing device. A drug dispensing device.
Another aspect of the present invention developed to solve the above problems is a drug dispensing device comprising a main unit, a drug weighing device, and a drug container, wherein the drug weighing device measures the weight of the drug. the main device has a container vibrating table on which the drug container is placed and vibrated; and a drug ejection portion that opens laterally when placed on the container vibrating table of the main unit. The drug container is placed on the container shaking table of the main unit while the drug container is inserted, the container shaking table vibrates the drug container, and the drug is discharged from the drug discharging section to the drug dispensing device. It is a drug dispensing device that
Further, an invention related to the present invention is a drug dispensing device comprising a main unit and a drug container, wherein the main unit includes a container shaking table on which the drug container is placed and vibrated, and a powdered drug dispensing device. , a robot, wherein the powdered medicine dispensing device comprises a dispensing tray and a scraping device, and is capable of dividing the powdered medicine supplied to the dispensing tray into individual doses; has a drug storage part in which is temporarily stored and a drug discharge part, the drug container contains a drug in an amount corresponding to the total weight of the prescribed specific powdered drug, and the drug is contained in the drug container The drug container is placed on the container shaking table by the robot while it is in the container, and the drug container is vibrated by the container shaking table. A medicine dispensing device characterized in that the medicine is discharged from a part into a distribution tray.
An invention related to the present invention is a device having a function of reducing human error during weighing, and is a drug dispensing device comprising a main body device, a drug weighing device, and a drug container, each of which is separate. The medicine weighing device has weight detecting means for detecting the weight of medicine, dispensing information reading means for reading information related to dispensing, information writing means and/or weighing device side information reading means, and the main body The device has a container shaking table for placing and vibrating the drug container, a drug distribution device for dividing the powdered drug into a predetermined amount and dividing it into a plurality of parts, and main body side information reading means. A medicine reservoir and storage part that is temporarily stored, a medicine discharge part that opens laterally when placed on the container shaking table of the main unit, and an information recording member and/or a container identification member. is sent to the main unit in association with the drug container.

The movement of the drug container to the drug container installation section may be manual or automatic.
In the powdered medicine weighing device of this aspect, the powdered medicine is taken out by the medicine discharging means from the medicine container installed in the medicine container installing section. The removed powder is transferred to a weighing container.
In the powder medicine weighing device of this aspect, the medicine discharging means stops when a predetermined amount of powder medicine is transferred to the weighing container. Therefore, the pharmacist's task of weighing the powdered medicine is reduced.

A weighing container transport means and a drug container moving means are provided, the weighing container is moved by the weighing container transporting means to be placed on the weighing container installation section, and the drug container is moved to the drug container installation section by the drug container moving means. is desirable.

In each of the above-described aspects, the drug container has a powdered drug storage section for storing powdered drug and a powdered drug discharge section for discharging the powdered drug. The powdered medicine may be taken out from the powdered medicine discharging part by driving the medicine discharging means.

According to this aspect, the powdered medicine can be taken out from the medicine container by driving the medicine discharging means in the medicine container.

In each of the above embodiments, the medicine discharging means may have an external force applying means for applying an external force to the medicine container, and the medicine discharging means may apply an external force to the medicine container to discharge the powdered medicine.

In each of the above aspects, the drug container has a powdered drug reservoir for storing the powdered drug and a powdered drug discharging section for discharging the powdered drug, the drug discharging means is vibrating means for vibrating the drug container setting section, and the weight measuring means. Preferably, the device indirectly monitors the weight of the powder dispensed into the weighing container from changes in the weight of the drug container.

According to this aspect, the powdered medicine can be taken out smoothly from the medicine container.

In each aspect described above, it is desirable to have a drug container storage unit in which a plurality of drug containers are installed.

In the above aspect, it is desirable that the drug container storage section has an engaging portion that engages with the drug container, and that the engagement section of the drug container storage section engages with the drug container.

Another aspect for solving a similar problem has a drug container installation part for installing a drug container, drug discharge means, and weight measurement means, powdered medicine is stored in the drug container, and the drug container is The powdered medicine is taken out from the medicine container by the medicine discharging means while it is installed in the medicine container installation part, and the weight of the taken out powdered medicine is directly or indirectly monitored by the weight measuring means, and a predetermined amount of the powdered medicine is transferred to the weighing container. The drug discharging means is stopped under the condition that the drug container storage section has a drug container storage section for storing a plurality of drug containers. The powder medicine weighing device is characterized in that there is an engaging portion that engages with the medicine container, and that the engaging portion of the medicine container storage portion engages with the medicine container.

In the above-described mode, it is desirable that the drug container is placed in the drug container storage section in a horizontal position, the drug container moving means is provided on the back side of the drug container storage section, and the drug container is moved by the drug container moving means.

In each of the above-described aspects, the drug container moving means has a moving base, the moving base has a plurality of openings for holding the drug containers, and the moving base has the drug containers in the openings. The moving table is moved horizontally to move the desired drug container onto the drug container setting section, and the moving table is lowered to move the drug container to the drug container setting section. It is desirable to be able to land on

According to this aspect, the movement of the drug container can be automated.

Another aspect for solving a similar problem is to provide a drug container in which powdered medicine is stored, a drug container storage unit that stores a plurality of drug containers arranged on the same plane, and a drug container storage unit that horizontally moves the drug container storage unit. a weighing container, a weighing container storage unit for storing a plurality of weighing containers, a drug discharging unit, a weight measuring unit, a weighing container installation unit, and a weighing container conveying unit for moving the weighing container. The weighing container stored in the weighing container storage unit is moved to the weighing container installation unit by the weighing container transport means, and the medicine container storage unit is horizontally moved back and forth to move the specific medicine container to the weighing container installation unit. The powdered medicine is discharged from the medicine container by the medicine discharge means, the powdered medicine is transferred to the weighing container, the weight of the powdered medicine transferred to the weighing container is directly or indirectly monitored by the weight measuring means, and a predetermined amount of the medicine is measured. The powder medicine weighing device is characterized in that the medicine discharging means is stopped on condition that the powder medicine is transferred to the weighing container.

In each of the above-described embodiments, the drug container storage section for installing a plurality of drug containers, the weighing container storage section for storing a plurality of weighing containers, the drug container moving means, the weighing container conveying means, and the weighing container installation section, It is desirable that at least the drug container storage unit, the weighing container storage unit, the drug container moving means, the weighing container transporting means, and the weighing container setting unit are accommodated in one housing.

Another embodiment has the powdered drug weighing device described above and a drug packaging device for dividing the drug into a desired number of pieces and individually packaging the powdered drug in the weighing container manually or automatically. It is a medicine packaging system characterized in that it can be put into the.

According to this aspect, a series of steps from weighing powder to packaging can be automated.

Another aspect comprises drug weighing means, weighing container conveying means, drug dividing means, and drug packing means, wherein the drug weighing means includes drug containers, drug discharging means, weight measuring means, The medicine dividing means has a medicine charging portion for charging powdered medicine, and divides the powdered medicine charged into the medicine charging part into a predetermined number, and the medicine packing means The divided powdered medicine is individually packaged, and the powdered medicine is stored in the medicine container. It has drug discharge control means for directly or indirectly monitoring by the weight measuring means and executing an operation of transferring a predetermined amount of the powdered drug to the weighing container, and the weighing container into which the predetermined amount of the powdered drug has been transferred is transferred to the weighing container conveying means. to the drug input portion of the drug dividing means to feed the powdered drug, the powdered drug is divided into a predetermined number by the drug dividing means, and individually packaged by the drug dividing means. It is a package system.

In the above aspect, it is desirable that the drug dividing means and the drug packing means are combined to constitute one drug packing device, and patient information is transmitted to the drug weighing means and the drug packing device. .

It may have an outer shell structure that forms an outer shell, and a member that constitutes any of the drug packaging systems described above may be accommodated in the outer shell structure.

Another aspect for solving a similar problem is a drug container in which powdered drugs are stored, a drug container storage unit that stores a plurality of drug containers, a weighing container, a weighing container storage unit that stores the weighing containers, and a drug discharge. means, weight measuring means, weighing container installation unit, medicine dividing means for dividing the powdered medicine into a predetermined number, weighing container conveying means for moving the weighing container, and medicine packing means for individually packaging the medicine. Then, the weighing container stored in the weighing-container storage unit is moved to the weighing-container setting unit by the weighing-container transporting unit, and the powdered medicine is discharged from the medicine container by the medicine discharging unit, transferred to the weighing container, and transferred to the weighing container. The weight of the powdered medicine is directly or indirectly monitored by the weight measuring means, and on the condition that a predetermined amount of the powdered medicine has been transferred to the weighing container, the medicine discharging means is stopped, and the weighing container containing the powdered medicine is conveyed to the weighing container. means, the powdered medicine is put into the medicine dividing means, divided, and packaged by the medicine dividing means, wherein each of the above means is housed in a common housing. system.

In the aspect described above, it is desirable that the weighing container storage section can accommodate a plurality of weighing containers.

In each of the above-described embodiments, it is desirable that the weighing container storage section has a plurality of shelves and is capable of accommodating unused weighing containers and/or used weighing containers.

In each of the above embodiments, it is desirable that the used weighing container is moved to a predetermined position by the weighing container conveying means.

In each of the above-described aspects, the drug container storage section has an engaging section that engages with the drug container, the drug container is placed in the drug container storage section in a horizontal orientation, and the drug container storage section has an engaging section that engages with the drug container. It is desirable to engage with

In each of the above-described modes, it is desirable that the drug container moving means is provided on the back side of the drug container storage section and the drug container is moved by the drug container moving means.

In each of the above-described aspects, it is desirable that the medicine dividing means has a powder feeder, a rotating distribution dish, and the powder medicine is put into the distribution dish via the powder feeder.

Another aspect for solving a similar problem is a drug container in which powdered medicine is stored, a drug container storage unit that stores a plurality of drug containers, a weighing container, a weighing container storage unit that stores a plurality of weighing containers, and a drug. Using a drug dispensing device having a discharge means, a weight measuring means, a weighing container installation portion, a drug dividing means for dividing the powdered drug into a predetermined number, and a drug packing means for individually packaging the drug, and storing the weighing container. The weighing container stored in the unit is automatically moved to the weighing container installation unit, the powdered drug is discharged from the drug container by the drug discharging means, the powdered drug is transferred to the weighing container, and the weight of the powdered drug transferred to the weighing container is measured by the weight measuring means. directly or indirectly, and on the condition that a predetermined amount of powdered medicine has been transferred to the weighing container, the drug discharging means is stopped, the weighing container containing the powdered medicine is automatically moved, and the powdered medicine is transferred to the drug dividing means. This drug dispensing method is characterized by charging, dividing, and packaging by drug packaging means.

According to the powder medicine weighing device and the medicine packaging system of the present invention, it is possible to automate the work of weighing the powder medicine.

1 is a perspective view of a drug packaging system according to an embodiment of the present invention; FIG. FIG. 2 is a conceptual diagram of a powder medicine packaging device that constitutes the medicine packaging system of FIG. 1; FIG. 2 is a perspective view of a powdered drug weighing unit of the drug packaging system of FIG. 1; FIG. 4 is a perspective view of a state in which the drug container is installed in the drug container installation portion; It is a sectional view of a medicine container. It is a perspective view of a medicine container installation part. FIG. 3 is a perspective view of a drug packaging system according to another embodiment of the present invention; (a) is a perspective view of a powdered medicine weighing device according to another embodiment of the present invention, and (b) is a perspective view of a powdered medicine weighing unit incorporated in the powdered medicine weighing device. (a) is a front view of the powder weighing device shown in FIG. 8, and (b) is a side sectional view thereof. FIG. 9 is a conceptual diagram of a medicine packaging system employing the powdered medicine weighing device shown in FIG. 8; FIG. 10 is a perspective view of a powder weighing device according to still another embodiment of the present invention; FIG. 12 is a perspective view of the powdered drug weighing device of FIG. 11 showing a state in which the movable table is lowered and the drug container in the center is installed in the drug container installation portion; FIG. 12 is a perspective view of the powdered medicine weighing apparatus of FIG. 11, showing a state in which the moving table is horizontally moved to move the drug container on one end side onto the container installation table. FIG. 12 is a perspective view of the powdered drug weighing apparatus of FIG. 11, showing a state in which the moving table is lowered from the state shown in FIG. 12 and the drug container on the one end side is installed in the drug container installation portion. FIG. 12 is a cross-sectional perspective view of the powder medicine weighing device of FIG. 11, (a) showing a state where the moving table is in the preparation position, and (b) showing the moving table being lowered and the drug container in the center being installed in the drug container installation part. (c) shows a state in which the movable table is moved horizontally to move the drug container on one end side onto the container installation table, and (d) shows a state in which the movable table is lowered from the state shown in (c). 1 shows a state in which the drug container on the one end side is installed in the drug container installation portion. 1 is a front view of a medicine dispensing device that implements the packaging system of the present invention; FIG. 17 is a side cross-sectional view of the drug dispensing device of FIG. 16; FIG. Fig. 10 is a perspective view of a drug dispensing device that implements another packaging system of the present invention;

Embodiments of the present invention will be further described below.
The medicine packaging system 1 of this embodiment is composed of a powdered medicine weighing device 2 , a medicine packing device 3 and a weighing plate moving device (weighing container conveying means) 5 .
The drug packaging device 3 is a known distribution dish type powdered drug packaging device.
As shown in FIG. 2, the drug packaging device 3 has therein a powder feeder 901, a powdered drug distribution device 902, and a drug packaging device 903. As shown in FIG.
Powder feeder 901 also has hopper 905 and trough 910 . A piezoelectric element (not shown) is provided under the trough 910 to vibrate the trough 910 .

The powder medicine distribution device 902 is composed of a distribution dish 912 and a scraping device 915 as shown in FIG. Distribution plate 912 has an annular groove 916 . Distribution plate 912 is rotatable by motor 919 . The distribution plate 912 can be rotated continuously at a constant rotational speed, or can be rotated limited to a constant rotation angle.
The scraping device 915 is composed of an elevating arm whose tip is raised and lowered by rotating it, and a scraping mechanism.
The scraping device 915 has a disk-shaped scraping plate 917 that is rotated by a motor, and the scraping plate 917 is provided with a scraping plate 918 .

The drug packaging device 903 is composed of a packaging hopper 920 and a packaging device 921 as shown in FIG.

The weighing pan moving device 5 is a known robot. The weighing plate moving device 5 functions as a weighing container conveying means for taking out the weighing plate 52 from the weighing container housing shelf and placing it on the setting table 53, and also has a weighing function for transferring the weighing plate 52 from the setting table 53 to the drug packaging device 3. It functions as container transport means.

The powder medicine weighing device 2 is composed of a container shelf 8 and a powder medicine weighing unit (powder medicine weighing device) 10 .
The container shelf 8 is divided into a table portion 11 and a medicine container storage portion 12 . The table portion 11 is a stand having a certain area. The drug container storage section 12 is a shelf on which a plurality of drug containers can be installed.

The drug container 30 is a closed container and is composed of a container body 40 and a lid member 43 . The container body 40 is a vertically long container made of resin.
The lid member 43 has a lid body portion 45 and a movable lid portion 48 . A knob portion 50 is provided on the movable lid portion 48 , and the movable lid portion 48 is opened by pressing the knob portion 50 . The movable lid portion 48 is kept open. The lid member 43 is attached to the container body 40 as shown in FIG.
As shown in FIG. 5, the drug container 30 is provided with iron plates on two sides. The iron plate provided on one surface is the iron plate portion 41 for transportation. The iron plate provided on the other surface is a fixing iron plate portion 42 used to fix the drug container 30 to the drug container mounting base 18 .
An information recording member 15 such as an RFID (Radio Frequency Identification) is attached to the drug container 30 . A bar code or the like is attached to the drug container 30 (not shown).
The drug container 30 is filled with a specific powdered drug, and various information such as the name, expiration date, storage position, etc. of the powdered drug is recorded on the information recording member 15 such as the RFID.

The powder medicine weighing unit 10 has a main unit 13, an information reader 16 and a printer 17, as shown in FIG.
The body portion 13 has a base portion 20 provided with a drug container mounting base 18 and a weight measuring means 22 .
In this embodiment, the drug container installation table 18 is installed inside the case 23 and cannot be seen from the outside. A control device 28 for the powder medicine weighing device 2 is also built in the case 23 .

The drug container mounting table 18 has a vibrating table 25 as shown in FIG. The vibrating table 25 is provided with container holding means for temporarily fixing the drug container 30 . Specifically, the container holding means are electromagnets 30a and 30b. At both ends of the vibration table 25, the vibrating means 21 are attached in an inclined posture. The vibrating means 21 is a piezoelectric element.
In this embodiment, the drug container 30 is placed on the drug container mounting table 18, and the vibrating table 25 is vibrated to discharge the drug from the drug container 30 so that the drug can be taken out. In this embodiment, the vibrating table 25 functions both as a drug container setting portion and as a drug discharging means.

The weight measuring means 22 is a known electronic balance, and has an installation table (weighing container installation portion) 53 and a display portion 51 . A weighing dish (weighing container) 52 is placed on the installation table 53 . The display section 51 displays the weight of the powdered medicine transferred to the weighing dish 52 .
The weighing dish (weighing container) 52 is provided with an RFID or other readable/writable information recording member (not shown). A writing device for writing information on the information recording member is provided near the installation table 53 .

In this embodiment, the signal of the weight measuring means 22 is sent to the controller 28 of the powder weighing device 2 . Further, the drug container mounting table 18 described above is controlled by the control device 28 . Then, when the measured value of the weight measuring means 22 reaches a predetermined value, the vibration of the medicine container mounting base 18 stops.

In this embodiment, the weight measuring means 22 is installed on the base portion 20 at a position close to the drug container installation table 18 . Specifically, the setting table 53 of the weight measuring means 22 is located directly below the drug discharging section 47 with the drug container 30 placed on the drug container setting table 18 as a reference.
In this embodiment, a windshield 26 is provided in the area where the weight measuring means 22 is placed. The windshield 26 has an opening 27 on one side, through which a weighing dish (weighing container) 52 can be taken in and out.

The information reader 16 reads RFID or bar code information attached to the drug container 30 .
A powdered medicine weighing unit (powder medicine weighing device) 10 is installed on a table portion 11 of the container shelf 8 .
A plurality of drug containers 30 are accommodated in the drug container storage section 12 . The drug container 30 is filled with different types of powdered drugs.

Next, functions of the medicine packaging system 1 will be described.
In the drug packaging system 1, there is a weighing container storage shelf (not shown) nearby, and a large number of weighing trays 52 are stored therein.
Prescription information is also transmitted from an external computer or the like to the control device 28 of the drug packaging system 1 . Prescribing information includes patient information. Prescription information is displayed on the display section 51 of the weight measuring means 22 .

Based on the prescription information displayed on the display unit 51 , the pharmacist selects the drug container 30 containing the required drug from the drug container storage unit 12 and installs it on the vibrating table 25 of the drug container installation table 18 . Before setting the drug container mounting table 18 on the vibrating table 25, the information reader 16 reads the bar code or the like of the drug container 30 to confirm whether or not the drug is described in the prescription.
As described above, the vibration table 25 has the electromagnets 30a and 30b, and the fixing iron plate portion 42 of the drug container 30 is attracted by the magnetic force of the electromagnets 30a and 30b. As a result, the drug container 30 is fixed to the vibrating table 25 of the drug container mounting table 18 .

All subsequent actions are performed automatically.
Also, one weighing dish 52 is taken out from the weighing container storage rack by the weighing dish moving device 5 and placed on the mounting table 53 of the weight measuring means 22 . An information writing device (not shown) is provided in the vicinity of the weight measuring means 22 , and prescription information transmitted from an external computer or the like is written in the RFID or the like of the weighing dish 52 placed on the installation table 53 .
After that, the vibrating table 25 of the drug container mounting table 18 starts to vibrate. As a result, the powdered medicine in the medicine container 30 slowly moves to the medicine discharge part 47 side, spills from the medicine discharge part 47 and falls on the weighing dish 52 .
The falling amount of the powdered medicine is monitored by an electronic balance, which is the weight measuring means 22 . When a predetermined amount of powdered medicine is transferred to the weighing dish 52, which is a weighing container, the vibration of the vibrating table 25 stops. That is, the medicine discharging means is stopped.
The prescribed amount is the total prescribed amount of the target powder medicine. For example, if the single dose is 3 grams and is taken 3 times a day for 10 days, 90 grams would be the total prescribed amount.

When it is confirmed that a predetermined amount of powdered medicine has been taken out of the medicine container 30 and transferred to the weighing dish 52, and the medicine discharging means stops, the weighing dish moving device 5 is driven and placed on the weight measuring means 22. The weighing dish 52 is taken out, moved to the drug packaging device 3, and the weighing dish 52 is tilted and put into the hopper 905 of the powder feeder 901. After that, the powdered medicine is divided into 30 packages by the medicine packaging device 3 .
Prescription information is also sent to the drug packaging device 3 from an external computer or the like. Further, the medicine packaging device 3 has an information reading device such as an RFID reader, and the prescription information written in the RFID of the weighing plate 52 or the like is read. Then, the prescription information transmitted from an external computer or the like to the medicine packaging device 3 is compared with the prescription information written in the RFID or the like of the weighing dish 52 to determine whether the powdered medicine in the weighing dish 52 conforms to the prescription information. No is confirmed.
One or both of the information written in the RFID of the weighing dish 52 and the information transmitted to the drug packaging device 3 does not necessarily have to be the prescription information itself, and the prescription can be specified in relation to the prescription. Anything is fine. It suffices if it includes at least patient information that can identify the patient.

In the above-described embodiment, a dispensing tray-type powdered medicine packaging device is used as the medicine packaging device 3, but the medicine packaging device 3 may be of any type. FIG. 7 is a perspective view of a case where a V-box-type powdered medicine packaging device is adopted as the medicine packaging device 3. As shown in FIG.
It is also possible to transfer the weighing dish 52 taken out from the weight measuring means 22 by the weighing dish moving device 5 to the V-shaped medicine packaging device 3, tilt the weighing dish 52 to the V-measurement portion 33, and pour the powdered medicine. be. Thereafter, the powdered medicine in the V-measurement may be leveled manually, or a system for automatically leveling the powdered medicine may be employed.

In the embodiment described above, the selection of the drug container 30 and the movement to the drug container mounting table 18 are performed manually, but this may be automated.
The powdered drug weighing device 60 shown in FIG. 8 has the functions of selecting the drug container 30 , moving it to the drug container mounting table 18 , and placing the weighing dish 52 on the weight measuring means 62 .

The powder medicine weighing device 60 shown in FIG. 8 has a drug container storage unit 110 and a weighing container storage unit 111 inside. In powder medicine weighing device 60, at least drug container storage unit 110, weighing container storage unit 111, conveyor (weighing container conveying means) 55, and container moving means 56 are accommodated in one housing.
The drug container storage unit 110 is for arranging vertically long drug containers 30 in a horizontal position. An engaging portion 112 is formed in the drug container storage portion 110 . The engaging portion 112 is a groove, and the bottom portion of the drug container 30 is engaged.

The powder medicine weighing device 60 has a powder medicine weighing unit (powder medicine weighing device) 61 at an intermediate height. The powder medicine weighing unit 61 is provided with a medicine container mounting table 18 and a weight measuring means 62 as shown in FIG. 8(b). The drug container mounting base 18 is substantially the same as that employed in the above-described embodiment. The weight measuring means 62 is a known electronic balance, and has an installation table (weighing container installation portion) 53 .
The powder medicine weighing device 60 is installed in a layout in which the weight measuring means 62 is on the front side and the medicine container installation table 18 is on the back side.

The weighing container storage unit 111 is provided at the same height as the powder medicine weighing unit 61 . The weighing container storage unit 111 is composed of a weighing container storage shelf 63 .
That is, on both sides of the powdered drug weighing unit 61, there are weighing container storage shelves 63. As shown in FIG. One weighing container storage shelf is an unused plate storage shelf 63a in which unused weighing pans 52 are stored, and the other weighing container storage shelf is a weighed plate storage shelf 63b in which used weighing pans 52 are returned. is.
As shown in FIGS. 8, 9 and 10, the weighing container storage shelf 63 can accommodate unused weighing containers and used weighing pans (weighing containers) 52 in a plurality of stages.
A conveyor (weighing container conveying means) 55 is provided between the unused plate storage shelf 63 a and the installation table 53 of the weight measuring means 62 . will be posted.
The used weighing pan 52 is returned by the conveyor 55 to the weighed pan storage shelf 63b. Further, as in the previous embodiment, an RFID (not shown) is mounted on the weighing dish 52, and information that can be associated with the prescription information is written in the RFID. Then, before the weighing dish 52 is later transported to the medicine packaging device 3 and the powdered medicine is put into the medicine packaging device 3, the RFID reader of the medicine packaging device 3 reads the information written in the RFID of the weighing dish 52 or the like. It is read and compared with the prescription information sent to the medicine packaging device 3 . This can prevent the wrong medicine from being packaged.

Inside the powder medicine weighing device 60, there is a container moving means 56 as shown in FIG. 9(b). In FIG. 9B, the container moving means 56 is located on the back side of the drug container storage section 110 .
The container moving means 56 is composed of an elevating mechanism 57 and a robot 58 as shown in FIG. 9(b).

Next, functions of the powdered drug weighing device 60 will be described.
In the powder medicine weighing device 60 , the unused weighing tray 52 is taken out from the unused tray storage shelf 63 a by the internal conveyor 55 and placed on the mounting table 53 of the weight measuring means 62 .
Prescription information is also transmitted from an external computer or the like to the powder medicine weighing device 60 of the present embodiment. Prescription information is displayed on the display unit 51 .
In the powdered drug weighing device 60 of the present embodiment, the required drug container 30 is selected based on the prescription information, and placed on the vibrating table 25 of the drug container placement table 18 by the container moving means 56 .
Then, a predetermined amount of powdered medicine is transferred to the weighing dish 52 as in the previous embodiment. Further, the weighing plate moving device 5 (not shown) is driven to take out the weighing plate 52 and move it to the drug packaging device 3 for packaging.
Alternatively, the empty weighing tray 52 may be returned to the used tray storage rack (not shown) by the weighing tray moving device 5 and stored there.

FIG. 10 is a conceptual diagram showing an example of a drug packaging system 80 using the powdered drug weighing device 60. As shown in FIG. The medicine packaging system 80 includes a powdered medicine weighing device (drug weighing means) 60 , a weighing dish moving conveyor (weighing container conveying means) 81 , and the medicine packaging device 3 .
The weighing dish moving conveyor 81 is a conveying device provided between the powder medicine weighing device 60 and the medicine packaging device 3 , and a weighing dish reversing device (not shown) is provided near the medicine packaging device 3 .
The drug packaging device 3 has a powdered drug distribution device (medicine dividing means) 902 and a drug packaging device (medicine packing means) 903 .
The powdered medicine distribution device 902 has a hopper (medicine input unit) 905 for charging powdered medicine, and divides the powdered medicine input into the hopper 905 into a predetermined number.
The drug packaging device 903 individually packages divided powdered drugs.
As described above, the powder medicine weighing device 60 takes out the powder medicine from the medicine container 30 by the medicine discharging means and transfers it to the weighing dish 52, and the weight of the powder medicine transferred to the weighing dish 52 is directly monitored by the weight measuring means 62. , has drug discharge control means for executing the operation of transferring a predetermined amount of powdered drug to the weighing dish 52 .
The weighing tray 52 to which a predetermined amount of powdered medicine has been transferred is conveyed to the vicinity of the powdered medicine distribution device 902 by the weighing tray moving conveyor 81, and the weighing tray 52 is tilted by a weighing tray reversing device (not shown) to form a hopper (medicine input device). Part) 905 is where the powdered medicine is put. Then, the medicine is divided into a predetermined number by the medicine packing device 3 and individually packaged.

Further, a powder medicine weighing device 65 having another structure will be described with reference to FIG. 11 and subsequent figures.
A powder medicine weighing device 65 shown in FIG. 11 has a main body 66 and a weighing container shelf 67 . It can be said that the body portion 66 is as if the medicine container moving means 68 was attached to the powder medicine weighing portion 10 described above.
That is, the body portion 66 has the base portion 20 provided with the drug container mounting base 18 and the weight measuring means 22 .
The drug container mounting base 18 and weight measuring means 22 are the same as those employed in the previous embodiment.

The drug container moving means 68 has a moving table 70 . The movable table 70 has a function of moving vertically and horizontally to change its posture by a motor (not shown).
That is, the moving table 70 is cantilevered from the elevating column 71 . The elevating column 71 is lifted and lowered by a motor (not shown) and can take a raised position as shown in FIG. 10 and a lowered position as shown in FIG.
In addition, the lifting column 71 has a traversing means (not shown), and as shown in FIGS. That is, the moving table 70 moves within the horizontal plane.

The moving table 70 is provided with an opening 72 as shown in FIG. Then, the drug container 30 can be attached to the opening 72 . A drug container 30 is inserted from the top of the opening. An engaging portion (not shown) is provided in the opening to prevent a portion of the medicine container 30 from falling by engaging with the engaging portion in the opening 72 . However, pushing up the drug container 30 from below the opening causes the drug container 30 to rise relative to the moving table 70 .

In this embodiment, the moving table 70 has three openings 72, and the lower portion of the drug container 30 is fitted into each opening 72. As shown in FIG. In this embodiment, the moving table 70 also functions as a drug container storage section. The moving table 70 is a drug container storage unit that accommodates a plurality of drug containers 30 arranged on the same plane and moves the drug containers 30 horizontally to change the posture.

The weighing container shelf 67 incorporates a conveyor (weighing container conveying means) (not shown).
Next, the functions of the powder weighing device 65 will be described.
In the powdered medicine weighing device 65 , the weighing dish 52 is taken out from the weighing container shelf 67 by a conveyor (weighing container transport means) (not shown) and placed on the mounting table 53 of the weight measuring means 22 .
Prescription information is also transmitted from an external computer or the like to the powder medicine weighing device 60 of the present embodiment.
In the powdered drug weighing device 65 of the present embodiment as well, drug containers containing target drugs are selected based on the prescription information, and three drug containers 30 are placed on the moving table. Further, the required drug container 30 is selected from the three placed drug containers 30 based on the prescription information, and placed on the vibrating table 25 of the drug container mounting table 18 by the drug container moving means 68 .

The operation of the drug container moving means 68 is unique.
That is, in the powder medicine weighing device 65 of the present embodiment, the ready position is a state in which the moving table is at the upper position as shown in FIGS. 11 and 15(a).
In this state, the moving table (drug container storage section) 70 is horizontally moved to move the required drug container 30 to a position directly above the drug container installation table 18 . In the ready position, if the desired drug container 30 is in a position directly above the drug container mounting base 18, it remains in that position. If the required drug container 30 is displaced from the drug container mounting table 18, the moving table 70 is horizontally moved linearly as shown in FIGS. Move it to the position just above 18.

In this state, the moving table is lowered as shown in FIGS. 13, 15(b), 14 and 15(d). As a result, the lower surface of the drug container 30 hits the vibrating table 25 of the drug container mounting table 18, and the drug container 30 does not descend further.
Meanwhile, the mobile platform 70 continues to descend. As a result, the drug container 30 is pushed up from below by the vibrating table 25, and protrudes upward from the opening 72 as shown in FIGS. The drug container 30 is released from restraint by the moving table 70 . Also, the drug container 30 lands on the drug container mounting base 18 and is fixed.

Then, the vibration table 25 is vibrated, and a predetermined amount of powdered medicine is transferred to the weighing dish 52 as in the previous embodiment. Further, the weighing tray moving device 5 (not shown) is driven to take out the weighing tray 52 and move it to the adjacent drug packaging device 3 to be packaged.

In the drug packaging system 1 shown in FIG. 1, the powdered drug weighing device 2 includes the container shelf 8 and the powdered drug weighing unit 10, but the main body 13 of the powdered drug weighing unit 10 alone is the powdered drug weighing device described in the claims. requirements.

In the above-described embodiment, an electronic balance is used as the weight measuring means 22, and the electronic balance is arranged at the position where the powdered medicine drops from the medicine container 30. good.
For example, a weight measuring means is provided under the medicine container installation table 18 or inside the medicine container installation table 18 to constantly monitor the weight of the medicine container. The discharge amount of the powdered medicine is indirectly detected from the weight difference when the powdered medicine is being discharged from the time when the medicine container 30 is installed, and when this value reaches a predetermined value, the vibration of the shaking table 25 is stopped.

In the above-described embodiment, the vibrating table 25 is employed as the drug discharging means, and the powdered drug is taken out by vibrating the drug container 30 . In this embodiment, the vibrating table 25 serving as the medicine discharging means is an external force imparting means for applying an external force to the medicine container 30 to vibrate it. It is something to do.
As other drug discharge means, a method of putting an instrument into the drug container 30 and scraping out the powdered drug, or a method of incorporating a spiral conveyor or the like in the drug container and driving the spiral conveyor or the like from the outside can be considered.
For example, there is a scraping member and a spiral conveyor as part of the drug discharge means, and the body scraping member and the spiral conveyor are located inside the drug container. Then, the powdered medicine is discharged from the powdered medicine discharging portion by driving the scraping member in the medicine container or the spiral conveyor by an external force imparting means such as a motor provided outside.
A motor may be built in the medicine container. Also, a motor may be externally attached to the medicine container. Air pressure or wind may be used to expel the drug from the drug container.

Alternatively, a method may be considered in which a helical groove serving as a part of the drug discharging means is provided on the inner surface of the drug container, and the powdered drug is discharged by rotating the drug container by means of an external force imparting means.

Some of the devices constituting the drug packaging systems 1 and 80 described above may be combined into one device. Further, all the devices constituting the medicine packaging systems 1 and 80 may be combined into one device.
A drug delivery device 100 shown in FIGS. 16 and 17 is obtained by incorporating the drug packaging system 80 shown in FIG. 10 into one device.
The drug dispensing device 100 has a housing (outer shell structure) 101 forming an outer shell, and includes a container storage section (drug container storage section) 12, a weighing container storage rack (weighing container storage section) 63, and a powdered drug dispensing device. (medicine dividing means) 902 , elevating mechanism (drug container moving means) 57 and robot (medicine container moving means) 58 , conveyor (weighing container conveying means) 55 , and weighing plate moving conveyor (weighing container conveying means) 81 . , a packaging device (medicine dispensing means) 921 is accommodated in a housing (outer shell structure) 101 .

The drug dispensing device 115 shown in FIG. 18 is obtained by incorporating the powdered drug weighing device 65 shown in FIG. 11 into one device. The drug dispensing device 115 also has a housing (outer shell structure) 112 that constitutes the outer shell, and each component is housed therein.

In the embodiment described above, two types of weighing container conveying means are provided. That is, in the drug dispensing systems 1 and 80 and the drug delivery device 100, a weighing container conveying means (conveyor 55) for taking out the weighing tray 52 from the weighing container storage shelf 63 and conveying it to the powdered medicine weighing unit (powder medicine weighing device) 61; It has a weighing container conveying means (weighing plate moving conveyor 81) for moving the weighing plate 52 from the weighing unit 61 to the powder medicine dispensing device 902 side. However, the present invention is not limited to this configuration, and a single transportation means performs movement from the weighing container housing shelf 63 to the powdered medicine weighing device 61 and movement from the powdered medicine weighing unit 61 to the powdered medicine dispensing device 902 side. may
For example, the weighing plate 52 may be moved by container moving means 56 provided on the back surface of the container storage section (drug container storage section) 112 shown in FIGS. 9 and 17 .

In the above-described embodiment, a weighing dish is shown as an example of the weighing container, but the shape of the weighing container is not limited to a plate, and may be deeper.

In the weighing container storage rack 63 shown in FIGS. 8, 9, and 10, illustration of the shelf is omitted for the sake of drawing. The weighing container storage rack 63 shown in FIGS. 8, 9, and 10 has a plurality of shelves, and unused weighing containers and used weighing containers (weighing pans 52) can be stored in a plurality of levels. It is possible.
Also, for drawing purposes, only the weighing pan 52 at the front is shown, but in reality, a plurality of weighing pans 52 are also arranged behind it.
Of course, one weighing dish 52 may be placed on each shelf.
The arrangement position of the weighing container storage shelf 63 is arbitrary.

1, 80 drug packing system 2 powdered drug weighing device 3 drug packing device 5 weighing plate moving device (weighing container conveying means)
8 container shelf 10 powder medicine weighing unit (powder medicine weighing device)
18 drug container installation table 22 weight measuring means 25 shaking table 30 drug container 52 weighing dish (weighing container)
53 installation table (weighing container installation part)
56 container moving means 60 powdered medicine weighing device 61 powdered medicine weighing unit (powder medicine weighing device)
63 Weighing container storage shelf 65 Powder weighing device 67 Weighing container shelf 68 Drug container moving means 70 Moving table 72 Opening 81 Weighing plate moving conveyor (weighing container transport means)
902 powder drug dispensing device (drug splitting means)
903 drug packaging device (medicine dividing means)
905 Hopper (medicine input section)

Claims (5)

A powdered drug weighing device comprising a moving table serving as a drug container storage section for storing a plurality of closed drug containers, drug discharging means, weight measuring means, and a weighing container,
A plurality of drug containers store powdered drugs and are accommodated side by side on the same plane on a moving platform,
The moving table has a plurality of openings into which drug containers are inserted from above , and engaging portions into which the drug containers are inserted from above and engaged with the openings, and which can release the drug containers from the restraint of the moving table. has
selecting one drug container from among the plurality of drug containers arranged on the moving table based on the prescription information;
The selected drug container is horizontally moved by the moving table together with a plurality of drug containers other than the selected drug container so that the powdered drug drops into the weighing container placed on the weight measuring means. stop at a position above the weighing container, release from restraint of the carriage at a position above the weighing container ,
The powdered medicine stored in the selected medicine container is transferred from the medicine container to the weighing container by the medicine discharging means,
the weight of the powder transferred to the weighing container is monitored directly or indirectly by gravimetric means;
A powder medicine weighing device, wherein the medicine discharge means is stopped on condition that a predetermined amount of powder medicine is transferred from the selected medicine container to the weighing container. 2. The powdered medicine weighing device according to claim 1, wherein the medicine discharging means is a scraping member provided inside the medicine container for scraping out the powdered medicine. 3. The powder medicine according to claim 1 or 2, wherein a scraping member provided inside said medicine container is driven by a motor provided outside said medicine container to move powdered medicine from said medicine container to a weighing container. powder weighing device. 4. A drug packing device comprising: the powdered drug weighing device according to claim 1; and a drug packing device for dividing the drug into a desired number of pieces and individually packing the drug, wherein the powdered drug in the weighing container is divided into A medicine packaging system characterized in that it can be put into the. further comprising a weighing dish moving device for moving the weighing container from the weight measuring means to the drug packaging device,
5. The drug packaging system according to claim 4, wherein when the drug discharging means is stopped, the weighing container is moved from the weight measuring means to the drug packing device by the weighing plate moving device.

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