JP2022048310A - Powdered drug weighing apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify packaging work by proposing a novel powdered drug weighing apparatus.

SOLUTION: A powdered drug weighing apparatus includes, in a housing 112, a drug container storage part, a drug container installation part on which drug containers 30 are installed, drug discharging means 56, weight measuring means 62, a weighing container 52, a weighing container installation part and drug container transfer means. The drug container stores powdered drug, and the powdered drug is taken out from the drug container by the drug discharging means, with the drug container installed on the drug container installation part and transferred to the weighing container. The weight of the powdered drug transferred to the weighing container is directly or indirectly monitored by the weight measuring means, and on the condition that a prescribed amount of the powdered drug is transferred to the weighing container, the drug discharging means is made to stop. The drug container storage part is a shelf, on which a plurality of drug containers are arranged in the lateral direction and the height direction, where the drug containers are transversely installed on the drug container storage part. The drug container transfer means is located on the back side of the drug container storage part, and the drug containers installed on the drug container storage part by the drug container transfer means are transferred to the drug container installation part.

SELECTED DRAWING: Figure 9

COPYRIGHT: (C)2022,JPO&INPIT

Description

The present invention relates to a powder weighing device capable of weighing a predetermined amount of powder. The present invention also relates to a drug packaging system that packages powders in doses.

In recent years, large hospitals and large-scale pharmacies have introduced drug packaging devices (hereinafter sometimes referred to as powder packaging devices) having a function of packaging powder. The powder packaging device is a device that individually packages powders for each dose.
The powder packaging device is roughly divided into a type called a V-masu method and a type called a distribution dish method.
The V-mass type powder packaging device is disclosed in, for example, Patent Documents 1 and 2. The V-mass type powder packaging device has a horizontally elongated V-mass (powder charging section). A plurality of divided containers are arranged at the bottom of the V-basin.
In the V-Masu type powder packaging device, the pharmacist weighs the powders for multiple doses and puts the powders for multiple doses into the V-Masu. After that, use a spatula to evenly spread the powder. Then, the shutter provided at the lower part of the V box is opened, and the powder in the powder charging section is charged into the lower divided container. The powder in each split container is individually packaged.

Distributor-type powder packaging devices are disclosed in, for example, Patent Documents 3 and 4.
The distribution plate type powder packaging device includes a distribution plate having a groove on the upper surface, a distribution plate rotating means for rotating the distribution plate, a scraping device for scraping powder from the groove, and a vibration trough and a charging hopper. ..
In the distribution dish type powder packaging device, the pharmacist weighs the powder for a plurality of doses, puts the powder into the charging hopper, vibrates the vibration trough, and further rotates the distribution dish.
The powder charged into the charging hopper is uniformly dispersed by the vibration trough, and slowly moves at a constant speed to fall into the distribution pan. The powder that falls from the trough onto the distribution dish is evenly distributed on the distribution dish.
After that, the rotating plate of the scraping device was moved to the groove of the distribution plate, the distribution plate was rotated by a predetermined angle, a predetermined amount of powder was collected on the front side of the rotating plate, and the rotating plate was rotated and collected. Discharge the powder. The scraped powder is then individually wrapped.

Japanese Unexamined Patent Publication No. 9-10402 Japanese Unexamined Patent Publication No. 10-258111 Japanese Unexamined Patent Publication No. 2010-247841 Japanese Unexamined Patent Publication No. 2011-15978

In the powder packaging device described above, it is necessary to manually weigh the powder, which is troublesome.
It is an object of the present invention to propose a new powder weighing device and a packaging system, and to simplify the packaging operation.
The present invention also proposes a new powder weighing device and a drug packaging system combined with a conventional powder packaging device.

An embodiment for solving the above-mentioned problems includes a drug container installation unit for installing a drug container, a drug discharge means, a weight measuring means, a weighing container, and a weighing container installation unit, and the drug container is powdered. There is a weighing container installation section near the drug container installation section, and with the drug container installed in the drug container installation section, the powder is taken out from the drug container by the drug discharge means, transferred to the weighing container, and transferred to the weighing container. A powder weighing device characterized in that the weight of the powdered powder is directly or indirectly monitored by a weight measuring means, and the drug discharging means is stopped on condition that a predetermined amount of powder is transferred to the weighing container. be.

The movement of the drug container to the drug container installation part may be manual or automatic.
In the powder weighing device of this embodiment, the powder is taken out from the drug container installed in the drug container installation portion by the drug discharging means. The removed powder is transferred to a weighing container.
In the powder weighing device of this embodiment, the drug discharging means is stopped when a predetermined amount of powder is transferred to the weighing container. Therefore, the work of weighing the pharmacist's powder is reduced.

It has a weighing container transporting means and a drug container moving means, and the weighing container is moved by the weighing container transporting means and 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 embodiments, the drug container has a powder storage section for storing the powder and a powder discharge section for discharging the powder, and the drug container has a part or all of the drug discharge means in the drug container. The powder may be taken out from the powder discharge unit by driving the drug discharge means.

According to this embodiment, the drug discharge means can be driven in the drug container to take out the powder from the drug container.

In each of the above-described embodiments, the drug discharging means may have an external force applying means for applying an external force to the drug container, and the drug discharging means may apply an external force to the drug container to discharge the powder.

In each of the above-described embodiments, the drug container has a powder storage section for storing the powder and a powder discharge section for discharging the powder, and the drug discharge means is a vibration means for vibrating the drug container installation section and is a weight measuring means. It is desirable to indirectly monitor the weight of the powder transferred to the weighing container from the change in the weight of the drug container.

According to this aspect, the powder can be smoothly taken out from the drug container.

In each of the above embodiments, 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 unit has an engaging portion that engages with the drug container, and the engaging portion of the drug container storage unit engages with the drug container.

Another aspect for solving the same problem is to have a drug container installation unit for installing a drug container, a drug discharging means, and a weight measuring means, in which powder is stored in the drug container, and the drug container is stored. The powder is taken out from the medicine container by the medicine discharge means while being installed in the medicine container installation part, the weight of the taken out powder is directly or indirectly monitored by the weight measuring means, and the predetermined amount of powder is transferred to the weighing container. The drug discharge means is stopped on the condition that the drug is discharged, and the drug container storage section is provided to accommodate a plurality of drug containers. The drug container is installed in the drug container storage section in a horizontal position, and the drug container storage section is used. It is a powder weighing device characterized in that it has an engaging portion that engages with a drug container, and the engaging portion of the drug container storage section engages with the drug container.

In the above embodiment, it is desirable that the drug container is installed 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 embodiments, the drug container moving means has a moving table, the moving table has a plurality of openings for holding the drug container, and the moving table has the drug container in the opening. It moves horizontally and up and down while holding the above. It moves the moving table horizontally to move the desired drug container onto the drug container installation section, and lowers the moving table to move the drug container to the drug container installation 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 the same problem is a drug container for storing powder, a drug container storage unit for accommodating a plurality of drug containers arranged on the same plane, and a drug container by horizontally moving the drug container storage unit. A drug container moving means for moving, a weighing container, a weighing container storage unit for accommodating a plurality of weighing containers, a drug discharging means, a weight measuring means, a weighing container installation unit, and a weighing container transporting means for moving the weighing container. The weighing container housed in the weighing container storage unit is moved to the weighing container installation unit by the weighing container transport means, and the drug container storage unit is horizontally moved back and forth to move a specific drug container to the weighing container installation unit. Move up, drain the powder from the drug container by the drug discharge means, transfer the powder to the weighing container, and directly or indirectly monitor the weight of the powder transferred to the weighing container with the weighing means, and set the prescribed amount. It is a powder weighing device characterized in that the drug discharging means is stopped on condition that the powder is transferred to the weighing container.

In each of the above embodiments, the drug container storage unit for installing a plurality of drug containers, the weighing container storage unit for accommodating a plurality of weighing containers, the drug container moving means, the weighing container transporting means, and the weighing container installing unit are provided. It is desirable that at least the drug container storage section, the weighing container storage section, the drug container moving means, the weighing container transporting means, and the weighing container installing section are housed in one housing.

Another embodiment has the above-mentioned powder weighing device and a drug packaging device that divides the drug into a desired number and individually packages the drug, and manually or automatically packages the powder in the weighing container. It is a drug packaging system characterized by being able to be put into.

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

Another embodiment includes a drug weighing means, a weighing container transporting means, a drug dividing means, and a drug packaging means, and the drug weighing means includes a drug container, a drug discharging means, a weight measuring means, and the like. The drug dividing means has a weighing container, the drug dividing means has a drug charging section for charging powder, and the powder charged into the drug charging section is divided into a predetermined number, and the drug packaging means The divided powders are individually packaged, and the powders are stored in the drug container. The powders are taken out from the drug container by the drug discharge means and transferred to the weighing container, and the weight of the powder transferred to the weighing container is measured. The weighing container transporting means has a drug discharge control means for directly or indirectly monitoring with a weight measuring means and executing an operation of transferring a predetermined amount of powder to the weighing container, and the weighing container to which the predetermined amount of powder has been transferred is transferred to the weighing container. The drug is moved to the drug charging section of the drug dividing means, the powder is charged, the powder is divided into a predetermined number by the drug dividing means, and the powder is individually packaged by the drug packaging means. It is a packaging system.

In the above embodiment, it is desirable that the drug dividing means and the drug packaging means are combined to form one drug packaging device, and patient information is transmitted to the drug weighing means and the drug packaging device. ..

A member having an outer shell structure constituting the outer shell and constituting any of the above-mentioned drug packaging systems may be housed in the outer shell structure.

Another aspect of solving the same problem is a drug container for storing powder, a drug container storage unit for accommodating a plurality of drug containers, a weighing container, a weighing container storage unit for accommodating a weighing container, and a drug discharge unit. It has means, a weight measuring means, a weighing container installation unit, a drug dividing means for dividing powder into a predetermined number, a weighing container transporting means for moving the weighing container, and a drug packaging means for individually packaging the drug. Then, the weighing container housed in the weighing container storage section is moved to the weighing container installation section by the weighing container transport means, the powder is discharged from the drug container by the drug discharging means, the powder is transferred to the weighing container, and the powder is transferred to the weighing container. The weight of the powdered powder is directly or indirectly monitored by the weight measuring means, the drug discharging means is stopped on condition that the predetermined amount of powdered powder is transferred to the weighing container, and the weighing container containing the powder is transported to the weighing container. It is moved by means, the powder is charged into the drug dividing means, divided, and packaged by the drug packaging means, and each of the above-mentioned means is housed in a common housing. It is a system.

In the above embodiment, it is desirable that the weighing container storage unit can accommodate a plurality of weighing containers.

In each of the above embodiments, it is desirable that the weighing container storage unit has a plurality of shelves and can accommodate an unused weighing container and / or a used weighing container.

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

In each of the above embodiments, the drug container storage section has an engaging portion that engages with the drug container, the drug container is installed in the drug container storage section in a horizontal position, and the engaging section of the drug container storage section is the drug container. It is desirable to engage with.

In each of the above embodiments, it is desirable that the drug container moving means is provided on the back side of the drug container storage unit, and the drug container is moved by the drug container moving means.

In each of the above embodiments, it is desirable that the powder feeder is provided, the drug dividing means has a rotating distribution dish, and the powder is charged into the distribution dish via the powder feeder.

Another aspect of solving the same problem is a drug container for storing powder, a drug container storage unit for accommodating a plurality of drug containers, a weighing container, a weighing container storage unit for accommodating a plurality of weighing containers, and a drug. Weighing container storage using a discharge means, a weight measuring means, a weighing container installation unit, a drug dividing means for dividing powder into a predetermined number, and a drug dispensing device for individually packaging drugs. The weighing container housed in the unit is automatically moved to the weighing container installation unit, the powder is discharged from the drug container by the drug discharging means, the powder is transferred to the weighing container, and the weight of the powder transferred to the weighing container is measured by the weight measuring means. Directly or indirectly monitor with, stop the drug discharge means on condition that a predetermined amount of powder is transferred to the weighing container, automatically move the weighing container containing the powder, and use the powder as the drug dividing means. It is a drug dispensing method characterized by charging, dividing, and packaging by a drug packaging means.
Another aspect of solving the same problem is a drug container storage unit, a drug container installation unit for installing a drug container, a drug discharge means, a weight measuring means, a weighing container, and a weighing container installation unit in a housing. And a drug container moving means, powder is stored in the drug container, and the powder is taken out from the drug container by the drug discharge means in a state where the drug container is installed in the drug container installation portion and placed in a weighing container. The weight of the powder transferred to the weighing container was directly or indirectly monitored by a weight measuring means, and the drug discharging means was stopped on condition that a predetermined amount of powder was transferred to the weighing container, and the drug container was stopped. The storage unit is a shelf in which a plurality of the drug containers are arranged in the horizontal direction and the height direction. The drug container is installed in the drug container storage unit in a horizontal position and is located on the back side of the drug container storage unit. There is a drug container moving means, and the powder weighing device is characterized in that the drug container installed in the drug container storage section is moved to the drug container setting section by the drug container moving means.
In the above embodiment, the drug packaging device for dividing the drug into a desired number and individually packaging the drug is built-in, and the weighing container may be moved from the powder weighing unit to the powder distribution device side by the drug container moving means. desirable.
In each of the above embodiments, it is desirable that the weight measuring means is installed on the front side and the drug container installation portion is installed on the back side.
In each of the above embodiments, it is desirable that the drug container is placed facing the front-rear direction of the housing with respect to the weighing container installation portion.
In each of the above embodiments, it is desirable that the drug container storage unit has a groove into which the drug container is fitted.
In each of the above embodiments, it is desirable that the container containing the powder after weighing can be taken out of the housing.

According to the powder weighing device and the drug packaging system of the present invention, the work of weighing the powder can be automated.

It is a perspective view of the drug packaging system of the embodiment of this invention. FIG. 3 is a conceptual diagram of a powder packaging device constituting the drug packaging system of FIG. 1. It is a perspective view of the powder weighing part of the drug packaging system of FIG. It is a perspective view of the state where the medicine container is installed in the medicine container installation part. It is sectional drawing of a drug container. It is a perspective view of the drug container installation part. It is a perspective view of the drug packaging system of another embodiment of this invention. (A) is a perspective view of the powder weighing device of another embodiment of the present invention, and (b) is a perspective view of a powder weighing unit built in the powder weighing device. (A) is a front view of the powder weighing device shown in FIG. 8, and (b) is a side sectional view thereof. It is a conceptual diagram of the drug packaging system which adopted the powdered medicine weighing apparatus shown in FIG. It is a perspective view of the powder weighing apparatus of still another embodiment of this invention. FIG. 11 is a perspective view showing a state of the powder weighing device of FIG. 11 in which a moving table is lowered and a central drug container is installed in a drug container installation portion. FIG. 11 is a perspective view showing a state in which the powder weighing device of FIG. 11 is a moving table that is horizontally moved and the drug container on one end side is moved onto the container installation table. 11 is a perspective view showing a state of the powder weighing device of FIG. 11 in which the moving table is lowered from the state shown in FIG. 12 and the drug container on one end side is installed in the drug container installation portion. FIG. 11 is a cross-sectional perspective view of the powder weighing device of FIG. 11, where (a) shows a state in which the moving table is in the preparation position, and (b) shows that the moving table is lowered and the central drug container is installed in the drug container installation portion. The state is shown, (c) shows the state where the moving table is moved horizontally and the drug container on one end side is moved onto the container setting table, and (d) shows the state where the moving table is lowered from the state shown in (c). The state in which the drug container on one end side is installed in the drug container installation part is shown. It is a front view of the drug dispensing device which realizes the packaging system of this invention. FIG. 16 is a side sectional view of the drug dispensing device of FIG. It is a perspective view of the drug dispensing apparatus which realizes the other packaging system of this invention.

Hereinafter, embodiments of the present invention will be further described.
The drug packaging system 1 of the present embodiment is composed of a powder weighing device 2, a drug packaging device 3, and a weighing dish moving device (weighing container transporting means) 5.
The drug packaging device 3 is a known distribution dish type powder packaging device.
As shown in FIG. 2, the drug packaging device 3 has a powder feeder 901, a powder dispensing device 902, and a drug packaging device 903 inside.
The powder feeder 901 also has a hopper 905 and a trough 910. A piezoelectric element (not shown) is provided under the trough 910, and the trough 910 can be vibrated.

As shown in FIG. 2, the powder distribution device 902 is composed of a distribution dish 912 and a scraping device 915. The distribution dish 912 has an annular groove 916. The distribution dish 912 is rotatable by a motor 919. The distribution plate 912 can be continuously rotated at a constant rotation speed, or can be rotated only at a constant rotation angle.
The scraping device 915 is composed of a lifting arm whose tip is raised and lowered by rotating the scraping device 915, 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 918 is provided on the scraping plate 917.

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 dish moving device 5 has a function as a weighing container transporting means for taking out the weighing dish 52 from the weighing container storage shelf and placing it on the installation table 53, and a weighing dish 52 for transporting the weighing dish 52 from the setting table 53 to the drug packaging device 3. It has a function as a container transport means.

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

The drug container 30 is a closed type 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 main body portion 45 and a movable lid portion 48. The movable lid portion 48 has a knob portion 50, and the movable lid portion 48 is opened by pressing the knob portion 50. Then, the movable lid portion 48 is maintained in an open state. The lid member 43 is attached to the container body 40 as shown in FIG. 5 to form the drug discharging unit 47.
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 a transport iron plate portion 41. The iron plate provided on the other surface is a fixing iron plate portion 42 used for fixing the drug container 30 to the drug container installation table 18.
Further, an information recording member 15 such as an RFID (Radio Frequency Identification) is attached to the drug container 30. Further, a bar code or the like is attached to the drug container 30 (not shown).
The drug container 30 is filled with a specific powder, and the information recording member 15 such as RFID records various information such as the name, expiration date, and storage position of the powder.

As shown in FIG. 3, the powder weighing unit 10 has a main body unit 13, an information reading device 16, and a printer 17.
The main body portion 13 is provided with a drug container installation base 18 and a weight measuring means 22 on a base portion 20.
In the present embodiment, the drug container installation table 18 is installed inside the case 23 and cannot be seen from the outside. Further, the control device 28 of the powder weighing device 2 is also built in the case 23.

The drug container installation table 18 has a shaking table 25 as shown in FIG. The shaking table 25 is provided with a container holding means for temporarily fixing the drug container 30. Specifically, the container holding means is the electromagnets 30a and 30b. The vibrating means 21 are attached to both ends of the shaking table 25 in an inclined posture. The vibration means 21 is a piezoelectric element.
In the present embodiment, the drug container 30 is placed on the drug container installation table 18, and the shaking table 25 can be vibrated to discharge the drug from the drug container 30 and take it out. In the present embodiment, the shaking table 25 has both a function as a drug container installation portion and a function as a drug discharge means.

The weight measuring means 22 is a known electronic balance, and has an installation table (weighing container installation unit) 53 and a display unit 51. A weighing dish (weighing container) 52 is placed on the installation table 53. The display unit 51 displays the weight of the powder transferred to the weighing pan 52.
The weighing pan (weighing container) 52 is provided with RFID and other read / write information recording members (not shown). A writing device for writing information to an information recording member is provided in the vicinity of the installation table 53.

In the present embodiment, the signal of the weight measuring means 22 is transmitted to the control device 28 of the powder weighing device 2. Further, the above-mentioned drug container installation table 18 is controlled by the control device 28. Then, when the weighing value of the weight measuring means 22 reaches a predetermined value, the vibration of the drug container setting table 18 is stopped.

In the present embodiment, the weight measuring means 22 is installed on the base portion 20 and at a position close to the drug container setting base 18. Specifically, there is an installation table 53 of the weight measuring means 22 at a position directly below the drug discharge unit 47 with reference to a state in which the drug container 30 is installed on the drug container installation table 18.
In the present embodiment, the windshield 26 is provided in the area where the weight measuring means 22 is placed. The windshield 26 has an opening 27 on one surface, and the weighing pan (weighing container) 52 can be taken in and out from the opening 27.

The information reading device 16 reads information on RFID and barcodes attached to the drug container 30.
The powder weighing unit (powder weighing device) 10 is installed on the table portion 11 of the container shelf 8.
Further, a plurality of drug containers 30 are housed in the drug container storage unit 12. The drug container 30 is filled with different types of powder.

Next, the function of the drug packaging system 1 will be described.
In the drug packaging system 1, there is a weighing container storage shelf (not shown) near the drug packaging system 1, in which a large number of weighing dishes 52 are stored.
Further, prescription information is transmitted from an external computer or the like to the control device 28 of the drug packaging system 1. Prescription information includes patient information. The prescription information is displayed on the display unit 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 shaking table 25 of the drug container installation table 18. Before installing the drug container installation table 18 on the shaking table 25, the information reading device 16 reads out the barcode or the like of the drug container 30 to confirm whether or not the drug is the drug described in the prescription.
As described above, the shaking table 25 has the electromagnets 30a and 30b, and the magnetic force of the electromagnets 30a and 30b attracts the fixing iron plate portion 42 of the drug container 30. As a result, the drug container 30 is fixed to the shaking table 25 of the drug container installation table 18.

All subsequent actions are performed automatically.
Further, one weighing plate 52 is taken out from the weighing container storage shelf by the weighing plate moving device 5, and is placed on the installation table 53 of the weight measuring means 22. In the vicinity of the weight measuring means 22, there is an information writing device (not shown), and prescription information transmitted from an external computer or the like is written on the RFID or the like of the weighing pan 52 mounted on the installation table 53.
After that, the shaking table 25 of the drug container setting 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 amount of powder dropped is monitored by an electronic balance which is a weight measuring means 22. Then, when a predetermined amount of powder is transferred to the weighing dish 52, which is a weighing container, the vibration of the shaking table 25 is stopped. That is, the drug discharging means is stopped.
The predetermined amount is the total amount of the prescription amount of the target powder. For example, if the single dose is 3 grams and the dose is 3 times a day for 10 days, 90 grams is the total prescription amount.

It was confirmed that a predetermined amount of powder was taken out from the drug container 30 and transferred to the weighing dish 52, and when the drug discharging means was stopped, the weighing dish moving device 5 was driven and placed on the weight measuring means 22. The weighing pan 52 is taken out, moved to the drug packaging device 3, tilted, and charged into the hopper 905 of the powder feeder 901. After that, the powder is packaged into 30 packages by the drug packaging device 3.
In addition, prescription information is also transmitted from an external computer or the like to the drug packaging device 3. Further, the drug packaging device 3 has an information reading device such as an RFID reader, and the prescription information written on the RFID or the like of the weighing pan 52 is read out. Then, the prescription information transmitted from the external computer or the like to the drug packaging device 3 and the prescription information written on the RFID or the like of the weighing pan 52 are compared, and whether the powdered medicine in the weighing pan 52 conforms to the prescription information. Whether or not it is confirmed.
It should be noted that either one or both of the information written in the RFID and the like of the weighing pan 52 and the information transmitted to the drug packaging device 3 do 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 contains at least patient information that can identify the patient.

In the embodiment described above, the distribution dish type powder packaging device is adopted as the drug packaging device 3, but the type of the drug packaging device 3 is arbitrary. FIG. 7 is a perspective view when a V-mass type powder packaging device is adopted as the drug packaging device 3.
It is also possible to move the weighing plate 52 taken out from the weight measuring means 22 by the weighing plate moving device 5 to the V-mass type drug packaging device 3 and tilt the weighing plate 52 to the V-mass portion 33 to charge powder. be. After that, the powder in the V-basin may be leveled manually, or a method of automatically leveling the powder may be adopted.

In the embodiment described above, the selection of the drug container 30 and the movement to the drug container installation table 18 are relied on human power, but this may be automated.
The powder weighing device 60 shown in FIG. 8 has a function of selecting a drug container 30, moving the drug container to the drug container installation table 18, and a function of placing the weighing dish 52 on the weight measuring means 62.

The powder weighing device 60 shown in FIG. 8 has a drug container storage unit 110 and a weighing container storage unit 111 inside. In the powder weighing device 60, at least the drug container storage unit 110, the weighing container storage unit 111, the conveyor (weighing container transporting means) 55, and the container moving means 56 are housed in one housing.
The drug container storage unit 110 arranges 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 with the engaging portion 112.

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

The weighing container storage unit 111 is provided at the same height as the powder weighing unit 61. The weighing container storage unit 111 is composed of a weighing container storage shelf 63.
That is, there are weighing container storage shelves 63 on both sides of the powder weighing unit 61. One weighing container storage shelf is an unused dish storage shelf 63a in which an unused weighing dish 52 is stored, and the used weighing dish 52 is returned to the other weighing container storage shelf 63b. Is.
As shown in FIGS. 8, 9, and 10, the weighing container storage shelf 63 can store an unused weighing container and a used weighing dish (weighing container) 52 in a plurality of stages.
There is a conveyor (weighing container transporting means) 55 between the unused plate storage shelf 63a and the installation table 53 of the weight measuring means 62, and the weighing plate 52 in the unused plate storage shelf is moved to the installation table 53 by the conveyor 55. Will be posted.
The used weighing dish 52 is returned to the weighed dish accommodating shelf 63b by the conveyor 55. Further, as in the previous embodiment, an RFID (not shown) is mounted on the weighing pan 52, and information that can be associated with the prescription information is written in the RFID. Then, before the weighing dish 52 is later conveyed to the drug packaging device 3 and the powder is charged into the drug packaging device 3, the information written on the RFID or the like of the weighing dish 52 by the RFID reader of the drug packaging device 3 is input. It is read and collated with the prescription information transmitted to the drug packaging device 3. This makes it possible to prevent the wrong drug from being packaged.

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

Next, the function of the powder weighing device 60 will be described.
In the powder weighing device 60, the unused weighing plate 52 is taken out from the unused plate accommodating shelf 63a by the internal conveyor 55 and placed on the installation table 53 of the weight measuring means 62.
Further, with respect to the powder weighing device 60 of the present embodiment, prescription information is transmitted from an external computer or the like. The prescription information is displayed on the display unit 51.
In the powder weighing device 60 of the present embodiment, the necessary drug container 30 is selected based on the prescription information, and is installed on the shaking table 25 of the drug container installation table 18 by the container moving means 56.
Then, as in the previous embodiment, a predetermined amount of powder is transferred to the weighing pan 52. Further, a weighing dish moving device 5 (not shown) is driven to take out the weighing dish 52, move it to the drug packaging device 3, and package it.
Further, the powder may be charged into the medicine packaging device 3 and the empty weighing plate 52 may be returned to the used plate storage shelf (not shown) by the weighing plate moving device 5 and stored.

FIG. 10 is a conceptual diagram showing an example of a drug packaging system 80 using a powder weighing device 60. The drug packaging system 80 includes a powder weighing device (drug weighing means) 60, a weighing pan moving conveyor (weighing container transporting means) 81, and a drug packaging device 3.
The weighing dish moving conveyor 81 is a transfer device provided between the powder weighing device 60 and the drug packing device 3, and a weighing dish reversing device (not shown) is provided in the vicinity of the drug packing device 3.
The drug packaging device 3 has a powder dispensing device (drug dividing means) 902 and a drug packaging device (drug packaging means) 903.
The powder distribution device 902 has a hopper (drug charging unit) 905 for charging powder, and divides the powder charged into the hopper 905 into a predetermined number.
The drug packaging device 903 individually packages the divided powders.
As described above, the powder weighing device 60 takes out the powder from the drug container 30 by the drug discharging means, transfers it to the weighing dish 52, and directly monitors the weight of the powder transferred to the weighing dish 52 by the weight measuring means 62. It has a drug discharge control means for executing an operation of transferring a predetermined amount of powder to the weighing pan 52.
Then, the weighing dish 52 to which a predetermined amount of powder is transferred is conveyed to the vicinity of the powder distributing device 902 by the weighing dish moving conveyor 81, and the weighing dish 52 is tilted by the weighing dish reversing device (not shown) and the hopper (drug loading). Part) Powder is added to 905. Then, the drug is divided into a predetermined number by the drug packaging device 3 and individually packaged.

Further, a powder weighing device 65 having a different structure will be described with reference to FIGS. 11 and 11 and below.
The powder weighing device 65 shown in FIG. 11 has a main body 66 and a weighing container shelf 67. It can be said that the main body portion 66 is as if the powdered medicine weighing section 10 described above was attached with the drug container moving means 68.
That is, the main body 66 is provided with the drug container installation table 18 and the weight measuring means 22 on the base 20.
The drug container setting table 18 and the weight measuring means 22 are the same as those adopted in the previous embodiment.

The drug container moving means 68 has a moving table 70. The moving table 70 has a function of moving in the vertical direction and the horizontal direction to change the posture by a motor (not shown).
That is, the moving table 70 is cantilevered from the elevating column 71. The elevating column 71 can be moved up and down by a motor (not shown) to take an ascending position as shown in FIG. 10 and a descending position as shown in FIG.
Further, the elevating column 71 has a traversing means (not shown), and as shown in FIGS. 12 and 13, the moving table 70 moves linearly and horizontally with respect to the elevating column 71. That is, the moving table 70 moves in 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. The drug container 30 is inserted from above the opening. There is an engaging portion (not shown) in the opening, and a part of the drug container 30 is prevented from engaging with the engaging portion in the opening 72 and falling. However, when the drug container 30 is pushed up from under the opening, the drug container 30 rises relative to the moving table 70.

In the present embodiment, the moving table 70 has three openings 72, and the lower portion of the drug container 30 is fitted in each opening 72. In the present embodiment, the mobile table 70 also functions as a drug container storage unit. The moving table 70 is a drug container storage unit that accommodates a plurality of drug containers 30 side by side on the same plane and horizontally moves the drug container 30 to change its posture.

A conveyor (weighing container transporting means) (not shown) is built in the weighing container shelf 67.
Next, the function of the powder weighing device 65 will be described.
In the powder weighing device 65, the weighing pan 52 is taken out from the weighing container shelf 67 by a conveyor (weighing container transporting means) (not shown) and placed on the installation table 53 of the weight measuring means 22.
Further, with respect to the powder weighing device 60 of the present embodiment, prescription information is transmitted from an external computer or the like.
Also in the powder weighing device 65 of the present embodiment, a drug container containing the target drug is selected based on the prescription information, and three drug containers 30 are placed on the moving table. Further, a necessary drug container 30 based on prescription information is selected from the three drug containers 30 placed therein, and is installed on the shaking table 25 of the drug container installation table 18 by the drug container moving means 68.

The operation of the drug container moving means 68 is peculiar.
That is, in the powder weighing device 65 of the present embodiment, the state in which the moving table is in the upper position as shown in FIGS. 11 and 15A is the preparation position.
In this state, the moving table (drug container storage unit) 70 is horizontally moved, and the necessary drug container 30 is moved to a position directly above the drug container installation table 18. In the preparation position, if the required drug container 30 is directly above the drug container installation table 18, the position is maintained. If the required drug container 30 is displaced from the drug container installation table 18, the moving table 70 is horizontally and linearly moved as shown in FIGS. 13 and 15 (c), and the required drug container 30 is moved to the drug container installation table. Move it to a position directly above 18.

Then, 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 shaking table 25 of the drug container installation table 18, and the drug container 30 does not descend any further.
On the other hand, the moving platform 70 continues to descend. As a result, the drug container 30 is in a state of being pushed up from below by the shaking table 25, and is in a state of protruding upward from the opening 72 as shown in FIGS. 12, 15 (b), 14 and 15 (d). The drug container 30 is released from the restraint by the moving table 70. Further, the drug container 30 lands on the drug container installation table 18 and is fixed.

Then, the shaking table 25 vibrates, and a predetermined amount of powder is transferred to the weighing pan 52 as in the previous embodiment. Further, a weighing dish moving device 5 (not shown) is driven to take out the weighing dish 52, move it to the adjacent drug packing device 3, and package it.

In the drug packaging system 1 shown in FIG. 1, the powder weighing device 2 includes a container shelf 8 and a powder weighing unit 10, but the powder weighing device described in claim is provided only for the main body 13 of the powder weighing unit 10. It meets the requirements of.

In the embodiment described above, the electronic balance is adopted as the weight measuring means 22 and the electronic balance is arranged at the position where the powder drops from the drug container 30, but the drug container setting table 18 may have a weight measuring function. good.
For example, a weight measuring means is provided under the drug container setting table 18 or inside the drug container setting table 18 to constantly monitor the weight of the drug container. The amount of powder discharged is indirectly detected from the weight difference when the powder is discharged from the time when the drug container 30 is installed, and when this value reaches a predetermined value, the vibration of the shaking table 25 is stopped.

In the embodiment described above, the shaking table 25 is adopted as the drug discharging means, and the drug container 30 is vibrated to take out the powder. In the present embodiment, the shaking table 25, which is a drug discharging means, is an external force applying means for applying an external force to the drug container 30 to vibrate, and the powder is discharged from the drug container 30 by the vibration caused by the external force applied to the drug container 30 by the external force applying means. It is something to do.
As another drug discharging means, a method of putting an instrument in the drug container 30 and scraping out the powder, 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 or a spiral conveyor as a part of the drug discharging means, and the body scraping member or the spiral conveyor is in the drug container. Then, the powder is discharged from the powder discharge unit by driving the scraping member or the spiral conveyor in the medicine container by an external force applying means such as a motor provided outside.
A motor may be built in the drug container. Further, the motor may be externally attached to the drug container. The drug may be discharged from the drug container using air pressure or wind.

It is also conceivable to provide a spiral groove as a part of the drug discharging means on the inner surface of the drug container and rotate the drug container by the external force applying means to discharge the powder.

Some of the devices constituting the above-mentioned drug packaging systems 1 and 80 may be combined into one device. Further, all of the devices constituting the drug packaging systems 1 and 80 may be combined into one device.
The drug dispensing device 100 shown in FIGS. 16 and 17 incorporates the drug packaging system 80 shown in FIG. 10 into one device.
The drug dispensing device 100 has a housing (outer shell component) 101 constituting the outer shell, and has a container storage unit (drug container storage unit) 12, a weighing container storage shelf (weighing container storage unit) 63, and a powder distribution device. (Drug splitting means) 902, elevating mechanism (drug container moving means) 57, robot (drug container moving means) 58, conveyor (weighing container transporting means) 55, weighing dish moving conveyor (weighing container transporting means) 81. , The packaging device (drug packaging means) 921 is housed in the housing (outer structure) 101.

The drug dispensing device 115 shown in FIG. 18 incorporates the powder weighing device 65 shown in FIG. 11 into one device. The drug dispensing device 115 also has a housing (outer shell constituent) 112 that constitutes the outer shell, and each constituent member is housed therein.

In the embodiment described above, two types of weighing container transporting means are provided. That is, in the drug packaging systems 1 and 80 and the drug dispensing device 100, the weighing container transport means (conveyor 55) that takes out the weighing dish 52 from the weighing container storage shelf 63 and conveys it to the powder weighing unit (powder weighing device) 61, and the powder. It has a weighing container transporting means (weighing dish moving conveyor 81) for moving the weighing dish 52 from the weighing unit 61 to the powder distribution device 902 side. However, the present invention is not limited to this configuration, and the movement from the weighing container storage shelf 63 to the powder weighing device 61 and the movement from the powder weighing unit 61 to the powder distribution device 902 side are performed by one transport means. You may.
For example, the weighing pan 52 may be moved by the container moving means 56 provided on the back surface of the container storage section (drug container storage section) 112 of FIGS. 9 and 17.

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

In the weighing container storage shelf 63 shown in FIGS. 8, 9, and 10, the shelf board is not shown for the sake of drawing. The weighing container storage shelf 63 shown in FIGS. 8, 9 and 10 has a plurality of shelves, and can accommodate an unused weighing container and a used weighing container (weighing dish 52) in a plurality of stages. It can be done.
Further, for the sake of drawing, only the weighing plate 52 shown in the front is shown, but in reality, a plurality of weighing plates 52 are lined up in the back.
Of course, one weighing plate 52 may be placed on each shelf.
The arrangement position of the weighing container storage shelf 63 is arbitrary.

1,80 Drug packaging system 2 Powder weighing device 3 Drug packaging device 5 Weighing dish moving device (weighing container transporting means)
8 Container shelf 10 Powder weighing unit (powder weighing device)
18 Drug container installation table 22 Weight measuring means 25 Vibration table 30 Drug container 52 Weighing dish (weighing container)
53 Installation stand (Weighing container installation part)
56 Container moving means 57 Elevating mechanism 60 Powder weighing device 61 Powder weighing unit (powder weighing device)
62 Weight measuring means 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 dish moving conveyor (Weighing container transporting means)
112 Housing 902 Powder distribution device (drug splitting means)
903 Drug packaging device (drug packaging means)
905 Hopper (drug input section)

Claims (6)

It has a drug container storage unit, a drug container installation unit for installing a drug container, a drug discharge means, a weight measuring means, a weighing container, a weighing container installation unit, and a drug container moving means in a housing.
Powder is stored in the drug container,
With the drug container installed in the drug container installation section, the powder is taken out from the drug container by the drug discharge means and transferred to the weighing container, and the weight of the powder transferred to the weighing container is directly or indirectly measured by the weight measuring means. The drug discharge means was stopped on condition that the prescribed amount of powder was transferred to the weighing container.
The drug container storage unit is a shelf in which a plurality of the drug containers are arranged in the horizontal direction and the height direction.
The drug container is installed in the drug container storage section in a horizontal position, and there is a drug container moving means on the back side of the drug container storage section.
A powder weighing device, characterized in that the drug container installed in the drug container storage section is moved to the drug container installation section by the drug container moving means. The claim is characterized in that a drug packaging device for dividing a drug into a desired number and individually packaging the drug is built in, and the weighing container is moved from the powder weighing unit to the powder distribution device side by the drug container moving means. The powder weighing device according to 1. The powder weighing device according to claim 1 or 2, wherein the weight measuring means is installed on the front side and the drug container installing portion is installed on the back side. The powder weighing device according to any one of claims 1 to 3, wherein the drug container is placed with respect to the weighing container installation portion in the front-rear direction of the housing. The powder weighing device according to any one of claims 1 to 4, wherein the drug container storage unit has a groove into which the drug container is fitted. The powder weighing device according to any one of claims 1 to 5, wherein the container containing the powder after weighing can be taken out of the housing.

Images