JP5254380B2 - Prescription drug dispensing support system - Google Patents

Description

The present invention also relates to prescription drugs dispensing support system.

2. Description of the Related Art Conventionally, there are systems and methods for supporting the dispensing of prescription drugs, as described in Patent Document 1, to support a worker by printing patient data in association with dispensing data such as the type and quantity of the drug.
In addition, it is determined whether or not a prepared liquid (liquid medicine, physiological saline, etc.) is appropriate for use in dispensing, and if it is appropriate, the dispensing procedure is displayed on a display means such as a monitor. Systems that support the dispensing of prescription drugs are known.

Japanese Patent Laid-Open No. 5-282337

  However, even if dispensing is performed according to the procedure using an appropriate drug, the scale is visually read when the liquid used for dispensing is taken out with a syringe, so that a small amount of error occurs and it is difficult to perform highly accurate dispensing. It was. In particular, in prescription drugs such as anticancer agents, since the amount to be prepared is very small, workers have been required to have more accurate and skilled skills.

Accordingly, the present invention is actually the amount of liquid can be obtained accurately and easily used in the preparation, and an object thereof is to provide a prescription drug dispensing support system that enables highly accurate dispensing.

Prescription dispensing support system of the present invention in order to achieve the above object, a safety cabinet having a working space of negative pressure state, provided in the working space, the second container What sampling a liquid from the first container a metering means for measuring the empty weight and the suction after the weight of the syringe order to inject liquid, a storage means for storing the empty weight, a predetermined graduation the liquid from the first container after the air weighing sucked into arithmetic means from the difference between the suction post weight and the empty weight of the syringe seek intake amount in the syringe, provided in the working space, and identification information of the first container in the working space, Reading means for reading the identification information of the second container in the work space, and whether the first container and the second container in the work space should be used for dispensing when the reading means reads the identification information Determine whether or not Rutotomoni, intake amount calculated by the calculating means, whether the proper amount to be injected into the second container in the work space, and determine another discriminating means, the first container in the workspace and a determination of whether or not the result intended to be used for the second container is dispensed, the proper amount whether the determination result intake amount to be injected into the second container obtained, display means for displaying, the It is a system equipped.

Also, a safety cabinet having a working space of negative pressure state, provided in the working space, the order to inject a liquid drug from the drug container infusion bag housing the base infusion me sampling a liquid medicament a metering means for measuring the empty weight and the suction after the weight of the syringe, the storage means and, said intake after weight and the empty weight of the syringe of inhalation of liquid drug predetermined graduation after the air weighing for storing the empty weight Calculating means for obtaining the amount of inhalation in the syringe from the difference between them , identification information of the medicine container provided in the work space, disposed in the work space, and containing a base infusion. Reading means for reading the identification information of the infusion bag, and whether the drug container and the infusion bag in the work space should be used for dispensing when the reading means reads the identification information Together determine, intake amount calculated by the calculating means, whether the upper Symbol proper amount to be injected into the infusion back provided in the working space, and determination means for determining, said agent in said working space comprising a container and a determination of whether or not the result the infusion back those to be used in the formulations, and display means intake amount determined above is whether the determination result proper amount to be injected into the infusion back, displays, the System.

Also, a safety cabinet having a working space of negative pressure state, provided in the working space, it injects base infusion to the drug container in advance accommodated powdered medicament What sampling the base infusion from the infusion back Measuring means for measuring the empty weight of the syringe and the weight after inhalation, storage means for storing the empty weight, the post-inhalation weight of the syringe that has inhaled the base infusion by a predetermined scale after the empty weight measurement, and the above Calculation means for obtaining the amount of inhalation in the syringe from the difference from the empty weight , identification information of the infusion bag in the work space provided in the work space, and a liquid medicine disposed in the work space Reading means for reading the identification information of the drug container previously containing the powdered drug, and when the reading means reads the identification information, the drug container and the infusion bag in the work space Together to determine whether or not to be used for dispensing, discrimination means for intake amount calculated by the calculating means, whether the proper amount or not to be injected into the medication container provided in the upper Symbol working space, to determine And a determination result as to whether or not the drug container and the infusion bag in the work space should be used for dispensing, and a determination result as to whether or not the obtained inhalation amount is an appropriate amount to be injected into the drug container. , Ru system der provided with a display means for displaying.

According to prescription dispensing support system of the present invention, it is possible to obtain exactly the amount of liquid used in the actual preparation. A small amount of preparation (preparation) can be performed with high accuracy. The amount of liquid sucked into the syringe can be known with high accuracy. The amount of inhalation can be double checked (checked) by scale (volume) and measurement (weight). An appropriate amount of liquid to be prepared can be easily obtained without skilled skill.

It is a front view which shows embodiment of the system of this invention. It is a flow chart diagram of an embodiment for explaining the present onset bright. It is a flow chart of another embodiment for explaining this onset bright.

Hereinafter, the present invention will be described in detail with reference to the drawings illustrating embodiments.
FIG. 1 is a front view showing an embodiment of the system of the present invention.
In the system of the present invention, the liquid is injected from the first container containing the liquid used for dispensing the prescription drug into the second container, which is a container different from the first container, via the syringe 2. This is a system that measures the weight of the syringe 2 before liquid injection and the weight of the syringe 2 after liquid injection, and determines and displays whether or not the inhalation amount obtained from the difference is an appropriate amount to be injected into the second container. .

Display means 50 such as a monitor screen for displaying information necessary for work in the work space 10 in the negative pressure state of the safety cabinet 1 installed in a clean room or a sterile room, a one-dimensional barcode and a two-dimensional barcode Corresponding to identification information (symbols) such as a barcode reader capable of reading the information and weighing means 30 such as a precision electronic balance.
In addition, an output unit 70 such as a printer that outputs a receipt in which a dispensing history or prescription content is printed on a medium such as paper or a seal, and an audio output unit (not shown) such as a speaker that can output audio are provided. . The weighing means 30, the reading means 40, the display means 50, the output means 70, and the audio output means are connected to an information processing means 60 formed of a computer.

  The information processing means 60 includes an internal storage unit such as a RAM (Random Access Memory), ROM (Read Only Memory), and HD (Hard Disk) for storing data such as calculation results, and an external storage such as a CD, DVD, or USB memory. And a storage unit 61 having an external storage unit that holds the storage in the medium. Further, a calculation means 62 such as a CPU is provided. The data stored in the storage means 61 can be read and written via the calculation means 62.

  Further, the information processing means 60 is operated by the input means 20 such as the touch switch 20b and the touch switch 20b which can be provided with the foot switch 20a and the display means 50 corresponding to the display contents and capable of inputting information. That is, a cursor movement operation such as an arrow displayed on the display means 50 and a selection input operation can be performed by the input means 20.

The information processing means 60 is connected to other computers such as a host computer (server) and a personal computer in a hospital or the like via a LAN (local area network) in a wired or wireless manner so that information can be transmitted and received. That is, information (data) stored in other computers can be read and written (the data is shared).
The information processing means 60 may be provided anywhere in the clean room as long as information can be transmitted / received to / from the input means 20, the weighing means 30, the reading means 40, and the display means 50.

  The measuring means 30 can measure (measure) an empty syringe 2 for extracting a liquid used for dispensing or a syringe 2 that has inhaled the liquid, and transmits the measurement result (measurement data) to the storage means 61 of the information processing means 60. And memorize it. In addition, it can measure a minute weight of 0.1 milligram.

  The reading means 40 is a bar code written on a dispensing instruction (order) document, a dispensing procedure document, a container containing a medicine (infusion bag Y, vial, ampoule, etc.), an operator or an auditor's ID card, etc. Or the like, and the read information can be displayed on the display means 50 (via the information processing means 60).

The display means 50 can read out information stored in the storage means 61 in advance, information held in another computer, information obtained by the reading means 40, etc. from the storage means 61 via the calculation means 62 and display them.
Here, the information stored in the storage unit 61 in advance, the information stored in another computer, and the information obtained by the reading unit 40 are patient information such as an electronic medical record (name, ID, disease name, treatment history, prescription). History, etc.), dispensing instruction information, prescription drug dispensing procedure information (dispensing pattern, drug name, type, shape of drug container, powdered or liquid state, volume, specific gravity, blending rate, blending order, etc.), preparation / audit It is information such as history information (dispensing content, preparation amount, preparation time, preparer, auditor, etc.).

The calculation means 62 of the information processing means 60 reads the measurement data of the empty syringe 2 and the measurement data of the syringe 2 after liquid suction from the storage means 61 and calculates the difference to obtain the amount of suction in the syringe 2. Is. In addition, the appropriate amount of data (prescription drug dispensing procedure information) to be used for the preparation stored in the storage means 61 or stored in another computer is read out and compared with the obtained inhalation amount data, It is determined (determined) whether the amount is appropriate.
That is, the information processing means 60 having the storage means 61 and the calculation means 62 is a determination means 63 that determines whether or not the obtained inhalation amount is an appropriate amount by the cooperation of the storage means 61 and the calculation processing means 62. Further, the discriminating unit 63 causes the display unit 50 to display the discrimination result.

A prescription drug dispensing support method using the above-described system of the present invention will be described.
As an example, for example, a liquid medicine contained in a medicine container B (first container) such as an ampule is injected into an infusion bag Y (second container) containing a base infusion such as physiological saline, glucose or distilled water. that describes a case in which to make the prescription drugs.

First, in the working space 10 of the safety cabinet 1 shown in FIG. 1, in advance, it is installed in the transportation liquid back Y (second container) hanging over shape. Further, a medicine container B (first container) containing a liquid medicine and a syringe 2 for extracting the liquid (liquid medicine) from the medicine container B are placed (installed).
The infusion bag Y, the medicine container B, and the syringe 2 are previously carried from the medicine management / storage room into a clean room (aseptic room).

In step S _{1 of} FIG. 2, when the reading means 40 reads a dispensing instruction (prescription information or order information), prescription drug dispensing procedure information is displayed on the display means 50. When the barcode (identification information) of the infusion bag Y is read by the reading means 40, it is determined by the discriminating means 63 whether or not the infusion bag Y is to be used for dispensing (conforms to the dispensing instruction), and the determination result is Displayed on the display means 50. The input means 20 performs a confirmation input from the operator and proceeds to the next step. In the case of non-conformity, replace it with a conforming one.

In step S ₂ , the display means 50 displays an instruction to place the empty syringe 2 on the weighing means 30. The measuring means 30 measures (measures) the empty weight Wa of the empty syringe 2. The measurement result (data) is transmitted to the information processing means 60.

At a step S _3, storage means 61 of the information processing unit 60 stores the empty weight W a. The display unit 50 displays the empty weight W a.

In step S _4, when the barcode of the medicine container B is read by the reading means 40, whether or not the medicine container B contains the liquid medicine to be injected into the infusion bag Y (conforms to the dispensing instruction). Determination is performed by the determination unit 63 and the determination result is displayed on the display unit 50. The input means 20 inputs the conformity confirmation from the operator, and proceeds to the next step. In the case of non-conformity, replace it with a conforming one.

In step S ₅ , the volume (volume) of the liquid medicine to be inhaled into the syringe 2 is displayed on the display means 50. In addition, the operator is instructed to inhale the liquid medicine by a predetermined scale in accordance with the scale of the syringe 2.

In step S ₆ , the display means 50 displays an instruction to place the syringe 2 after inhalation on the measuring means 30. The measuring means 30 measures the weight Wb after inhalation of the syringe 2. The measurement result is transmitted to the information processing means 60.

In step S ₇ , the calculation means 62 of the information processing means 60 reads the data of the empty weight Wa from the storage means 61 and inhales (extracts) the empty weight Wa from the difference between the post-inhalation weight Wb and the empty weight Wa. ) Calculate the inhalation amount (weight). The calculating means 62 reads the specific gravity data of the medicine from the storage means 61 and calculates the inhalation amount (volume) in the syringe 2.

Step S ₈ Te at, determination means 63 (information processing means 60), the intake amount determined is (adapted to dispensing procedure information) proper amount to be injected infusion back Y whether the determined assist.

If the determination result of the determination means 63 is correct, the process proceeds to step S _9, the display unit 50 displays the like "OK" and "fit".
If the determination result does not meet (not), the process proceeds to step S _12, the display unit 50 displays the like "NG" or "nonconforming." The operator is instructed (supported) to make the liquid (liquid medicine) in the syringe 2 an appropriate amount. At this time, it is desirable to display the shortage or excess in volume.

Step S ₁₀ Te at, if the agreement confirmation input from the operator is performed by the input unit 20, display unit 50 displays the instruction for injecting the liquid drug infusion back Y syringe 2.

In step S ₁₁ , when an input completion is input from the operator by the input means 20, a receipt (prescription drug name sticker, etc.) on which the preparation / audit history information is printed is printed out from the output means 70. Dispensing support for prescription drugs ends.

Next, as another embodiment, the base infusion solution is extracted from the infusion bag Y (first container), and the base infusion solution is contained in a medicine container B (second container) such as a vial for containing a powder medicine and making a liquid medicine. injected to prepare a liquid medicament and (compounding), further, that describes the case of the preparation procedure by injecting can liquid drug infusion back Y make prescription drugs.

  In the working space 10 of the safety cabinet 1, an infusion bag Y, a medicine container B that contains powder medicine in advance, a first syringe 2 (2 A) for extracting the base infusion, and the prepared liquid medicine are used as medicine containers. A second syringe 2 (2B) for extraction from B is placed (installed).

In step S _{101 of} FIG. 3, when the reading means 40 reads the dispensing instruction, prescription drug dispensing procedure information is displayed on the display means 50. When the barcode (identification information) of the infusion bag Y is read by the reading means 40, it is discriminated by the discriminating means 63 whether or not the infusion bag Y conforms to the dispensing instruction, and the discrimination result is displayed on the display means 50. The An operator inputs confirmation of conformity by the input means 20 and proceeds to the next step. In the case of non-conformity (non-conformity), replace it with a conforming one.

In step _S102 , an instruction for placing the empty first syringe 2A (2) on the weighing means 30 is displayed on the display means 50. The measuring means 30 measures the empty weight Wa of the empty syringe 2A. The measurement result is transmitted to the information processing means 60.

Step S ₁₀₃ Te at the storage unit 61 of the information processing unit 60 stores the empty weight Wa. The display unit 50 displays the empty weight W a.

Step S ₁₀₄ Te at, the bar code of the medicine container B is read in the reading means 40, containing a powdered medicament to be the liquid medicament (conforming to dispensing instructions) whether discrimination is a drug container B The determination is made by the means 63, and the determination result is displayed on the display means 50. An input of the conformity confirmation from the operator is performed by the input means 20, and the process proceeds to the next step. In the case of non-conformity (non-conformity), replace it with a conforming one.

At a step S _105, the display unit 50 displays a to be drawn into the syringe 2A (should withdrawn by syringe 2A) based transfusion volume (volume). The operator is instructed to inhale the infusion base by a predetermined scale in accordance with the scale of the syringe 2A (visually).

At a step S _106, an instruction for placing appears syringe 2A after inhalation on the display unit 50 the weighing unit 30. The measuring means 30 measures the weight Wb after inhalation of the syringe 2A. The measurement result is transmitted to the information processing means 60.

At a step S _107, calculating unit 62 of the information processing unit 60 from the storage unit 61 reads the data of the empty weight Wa, inhaled from the difference between the suction after weight Wb and empty weight Wa into the syringe 2A (withdrawn was ) Calculate the inhalation amount (weight). The calculating means 62 reads the specific gravity data of the base infusion from the storage means 61 or another computer, and calculates the inhalation amount (volume) in the syringe 2A.

In step _S108 , the discriminating means 63 (information processing means 60) discriminates whether or not the obtained inhalation amount is an appropriate amount (conforming to the dispensing procedure information) to be injected into the medicine container B for producing the liquid medicine. To do. In other words, it is determined whether or not the inhalation amount is suitable for dissolving (diluting) the powdery medicine.

If the determination result of the determination unit 63 is appropriate, the process proceeds to step _S109 , and the display unit 50 displays “OK”, “Compliance”, or the like.
If the determination result is not suitable (No), the process proceeds to step _S111 , and the display means 50 displays “NG”, “non-conforming” or the like. The operator is instructed to set the liquid (base infusion) in the syringe 2A to an appropriate amount. At this time, it is desirable to display the shortage or excess on the display means 50 in volume.

In step _S110, when the operator confirms the conformity input by the input means 20, the display means 50 displays an instruction to inject the base infusion into the medicine container B with the syringe 2A. That is, a medicine container B containing a liquid medicine having a predetermined concentration (suitable for preparation) is produced in the work space 10.

When the operator inputs the completion of the preparation of the liquid medicine by the input means 20, the process proceeds to step S ₁₁₂ , and an instruction to place the empty second syringe 2 B (2) on the measuring means 30 is displayed on the display means 50. Is displayed. The measuring means 30 measures the empty weight Wa ′ of the empty syringe 2B. The measurement result is transmitted to the information processing means 60.

In step S ₁₁₃ , the information processing means 60 stores the empty weight W a ′ (of the second syringe 2 </ b > B) in the storage means 30. Also, the empty weight W a ′ is displayed on the display means 50.

Step S ₁₁₄ Te at the display unit 50 were prepared upstream of step (a pre-made) from the drug container B for containing the liquid medicament, and displays the capacity to be inhaled into the syringe 2B (volume). The operator is instructed to inhale the liquid medicine by a predetermined scale according to the scale of the syringe 2B.

At a step S _115, the display unit 50 displays an instruction for placing a syringe 2B after inhalation to the metering unit 30. The measuring means 30 measures the weight Wb ′ after inhalation of the syringe 2B. The measurement result is transmitted to the information processing means 60.

At a step S _116, calculating unit 62 of the information processing unit 60 from the storage means 61 'reads the data, after suction by weight Wb' empty weight Wa is injected from the difference between the air weight Wa 'into the syringe 2B Calculate the inhaled amount (weight). Further, the calculating means 62 reads the specific gravity data of the liquid medicine prepared from the storage means 61 or another computer, and calculates the inhalation amount (volume) in the syringe 2.

Step S ₁₁₇ Te at, determination means 63 (information processing means 60), the intake amount determined to determine whether the proper amount to be injected infusion back Y (adapted for the dispensing procedure information).

If the determination result of the determination unit 63 is appropriate, the process proceeds to step _S118 , and the display unit 50 displays “OK”, “Compliance” or the like.
If the determination result is not suitable (No), the process proceeds to step _S119 , and the display means 50 displays “NG”, “non-conforming” or the like. The operator is instructed (supported) so that the liquid (liquid medicine) in the syringe 2B becomes an appropriate amount. At this time, it is desirable to display the shortage or excess in volume.

Step S ₁₂₀ Te at, if the agreement confirmation input from the operator is performed by the input unit 20, display unit 50 displays the instruction for injecting the liquid drug infusion back Y syringe 2B.

Step S ₁₂₁ Te at, the injection completion input from the operator is performed by the input unit 20, a receipt preparation and audit history information from the output unit 70 is printed (seal such prescriptions name) is printed out. Ends dispensing support for prescription drugs.

In the present invention, the design can be changed. For example, the storage unit 61 for storing the empty weight Wa and the calculation unit 62 may be incorporated in the weighing unit 30. Further, the content displayed on the display means 50 may be output as sound from the sound output means.
In addition to the above-described embodiments, the first container can be used as an infusion bag Y, and the second container can be used as a waste liquid container.

  As described above, the present invention is a safety cabinet 1 having a work space 10 in a negative pressure state, and a meter that is provided in the work space 10 and measures the empty weight Wa of the syringe 2 for extracting liquid from the first container. Means 30, storage means 61 for storing the empty weight Wa, and the amount of inhalation from the difference between the inhaled weight Wb and the empty weight Wa of the syringe 2 that has inhaled the liquid from the first container after the empty weight Wa is measured. A calculating means 62 to be obtained, a determining means 63 for determining whether or not the determined intake amount is an appropriate amount to be injected into the second container in the work space 10, and a display means 50 for displaying the determination result are provided. Therefore, the amount of liquid actually used in the preparation can be obtained accurately. A small amount of preparation (preparation) such as an anticancer agent can be performed with high accuracy. The amount of liquid sucked into the syringe can be known with high accuracy. The amount of inhalation can be doubled (checked) by the volume and the weight by the measuring means 30. An appropriate amount of liquid to be prepared can be easily obtained without skilled skill. Can prevent formulation mistakes due to misreading of the operator's scale. Safe and clean dispensing can be performed in the work space 10 in a negative pressure state.

  Also, a safety cabinet 1 having a work space 10 in a negative pressure state, a weighing means 30 provided in the work space 10 for measuring the empty weight Wa of the syringe 2 for extracting the liquid medicine from the medicine container B, and an empty weight Storage means 61 for storing Wa, calculation means 62 for obtaining an inhalation amount from the difference between the post-inhalation weight Wb of the syringe 2 that has inhaled the liquid medicine by a predetermined scale after the measurement of the empty weight Wa and the empty weight Wa, and the obtained inhalation A determination means 63 for determining whether or not the amount is an appropriate amount to be injected into the infusion bag Y provided in the work space 10 containing the base infusion, and a display means 50 for displaying the determination result are provided. Therefore, the amount of liquid actually used in the preparation can be obtained accurately. A small amount of preparation (preparation) such as an anticancer agent can be performed with high accuracy. The amount of liquid sucked into the syringe 2 can be known with high accuracy. The amount of inhalation can be doubled (checked) by the volume and the weight by the measuring means 30. An appropriate amount of liquid to be prepared can be easily obtained without skilled skill. The liquid medicine can be accurately extracted from the medicine container B. An accurate amount of liquid medicine can be injected into the infusion bag Y. Can prevent formulation mistakes due to misreading of the operator's scale. Safe and clean dispensing can be performed in the work space 10 in a negative pressure state.

  Also, a safety cabinet 1 having a work space 10 in a negative pressure state, a weighing means 30 provided in the work space 10 for measuring the empty weight Wa of the syringe 2 for extracting the base infusion from the infusion bag Y, and an empty weight Storage means 61 for storing Wa, calculation means 62 for determining the inhalation amount from the difference between the post-inhalation weight Wb of the syringe 2 that has inhaled the base infusion by a predetermined scale after the measurement of the empty weight Wa, and the empty weight Wa, and the inhalation determined Discriminating means 63 for discriminating whether or not the amount is an appropriate amount to be stored in the medicine container B provided in the work space 10 in advance for containing the powdered medicine for producing the liquid medicine, and a display for displaying the judgment result Means 50 are provided, so that the amount of liquid actually used in the preparation can be obtained accurately. A small amount of preparation (preparation) such as an anticancer agent can be performed with high accuracy. The amount of liquid sucked into the syringe 2 can be known with high accuracy. The amount of inhalation can be doubled (checked) by the volume and the weight by the measuring means 30. An appropriate amount of liquid to be prepared can be easily obtained without skilled skill. An accurate amount of base infusion can be withdrawn from the infusion bag Y. Liquid medicine can be accurately prepared. A liquid medicine having a predetermined concentration can be obtained. Can prevent formulation mistakes due to misreading of the operator's scale. Safe and clean dispensing can be performed in the work space 10 in a negative pressure state.

  Further, a first container is installed in the work space 10 in the negative pressure state of the safety cabinet 1, and the empty weight Wa of the empty syringe 2 is measured by the measuring means 30 in the work space 10 and stored in the storage means 61. Next, the difference between the post-inhalation weight Wb of the syringe 2 that has inhaled the liquid from the first container by a predetermined scale and the empty weight Wa stored in the storage means 61 is calculated, and the inside of the work space 10 is calculated. Whether or not it is an appropriate amount to be injected into the second container is discriminated by the discriminating means 63 and the discrimination result is displayed on the display means 50, so that the amount of liquid actually used in the preparation can be obtained accurately. A small amount of preparation (preparation) such as an anticancer agent can be performed with high accuracy. The amount of liquid sucked into the syringe 2 can be known with high accuracy. The amount of inhalation can be doubled (checked) by the volume and the weight by the measuring means 30. An appropriate amount of liquid to be prepared can be easily obtained without skilled skill. Can prevent formulation mistakes due to misreading of the operator's scale. Safe and clean dispensing can be performed in the work space 10 in a negative pressure state.

  In addition, a medicine container B containing a liquid medicine is installed in the work space 10 in the negative pressure state of the safety cabinet 1, and the empty weight Wa of the empty syringe 2 is measured by the measuring means 30 in the work space 10. Then, the difference between the post-inhalation weight Wb of the syringe 2 that has inhaled the liquid medicine by a predetermined scale and the empty weight Wa stored in the storage means 61 is calculated to store the base infusion. The determination means 63 determines whether or not it is an appropriate amount to be injected into the infusion bag Y provided in the work space 10, and the determination result is displayed on the display means 50. Can be obtained accurately. A small amount of preparation (preparation) such as an anticancer agent can be performed with high accuracy. The amount of liquid sucked into the syringe 2 can be known with high accuracy. The amount of inhalation can be doubled (checked) by the volume and the weight by the measuring means 30. An appropriate amount of liquid to be prepared can be easily obtained without skilled skill. The liquid medicine can be accurately extracted from the medicine container B. An accurate amount of liquid medicine can be injected into the infusion bag Y. Can prevent formulation mistakes due to misreading of the operator's scale. Safe and clean dispensing can be performed in the work space 10 in a negative pressure state.

  In addition, an infusion bag Y containing base infusion is installed in the work space 10 in the negative pressure state of the safety cabinet 1, and the empty weight Wa of the empty syringe 2 is measured by the measuring means 30 in the work space 10. Then, the difference between the post-inhalation weight Wb of the syringe 2 that has inhaled the base infusion by a predetermined scale and the empty weight Wa stored in the storage means 61 is calculated to produce a liquid medicine. Therefore, the determination means 63 determines whether or not the powder medicine is stored in advance and should be injected into the medicine container B provided in the work space 10, and the determination result is displayed on the display means 50. The amount of liquid used in the preparation can be accurately obtained. A small amount of preparation (preparation) such as an anticancer agent can be performed with high accuracy. The amount of liquid sucked into the syringe 2 can be known with high accuracy. The amount of inhalation can be doubled (checked) by the volume and the weight by the measuring means 30. An appropriate amount of liquid to be prepared can be easily obtained without skilled skill. An accurate amount of base infusion can be withdrawn from the infusion bag Y. Liquid medicine can be accurately prepared. A liquid medicine having a predetermined concentration can be obtained. Can prevent formulation mistakes due to misreading of the operator's scale. Safe and clean dispensing can be performed in the work space 10 in a negative pressure state.

1 Safety cabinet 2 (2A, 2B) Syringe
10 workspace
30 Weighing means
40 scanning means
50 Display means
61 Memory means
62 Calculation means
63 Discrimination means B Drug container Wa (Wa ') Empty weight Wb (Wb') Weight after inhalation Y Infusion bag

Claims (3)

A safety cabinet (1) having a negative pressure working space (10);
Provided in the working space (10) in an empty weight (Wa) and a suction after the weight of the order of a syringe to inject liquid into the second vessel I sampling a liquid from the first container (2) and (Wb) Weighing means (30) to measure,
Storage means (61) for storing the empty weight (Wa);
Spatial weight (Wa) difference from the syringe by a predetermined graduation the liquid from the first container after the measurement and the suction after the weight of the inhaled the syringe (2) (Wb) and the empty weight (Wa) (2) Calculating means (62) for determining the amount of inhalation in the inside ,
Reading means (provided in the work space (10)) for reading the identification information of the first container in the work space (10) and the identification information of the second container in the work space (10) 40)
When the reading means (40) reads the identification information, it is determined whether or not the first container and the second container in the work space (10) should be used for dispensing, and the calculation means (62) intake amount calculated Te is, whether the proper amount or not to be injected into the second container in the working space (10), and determine another discriminating means (63),
Determination result of whether or not the first container and the second container in the work space (10) should be used for dispensing, and whether or not the obtained inhalation amount is an appropriate amount to be injected into the second container prescription dispensing support system characterized by comprising a discrimination result, display means for displaying (50), the. A safety cabinet (1) having a negative pressure working space (10);
Provided in the working space (10) within, the order to inject a liquid drug from the drug container (B) to the infusion back (Y) housing the base infusion me sampling a liquid drug syringe (2) A weighing means (30) for measuring the empty weight (Wa) and the weight after inhalation (Wb) ;
Storage means (61) for storing the empty weight (Wa);
Spatial weight (Wa) inhalation volume in the syringe (2) from the difference after the suction by weight and (Wb) and the empty weight (Wa) of the syringe of inhalation of liquid drug predetermined graduation after measurement (2) Computing means (62) for obtaining
The infusion solution provided in the work space (10), the identification information of the medicine container (B) in the work space (10), and the base infusion solution disposed in the work space (10) Reading means (40) for reading back (Y) identification information;
When the reading means (40) reads the identification information, it is determined whether or not the medicine container (B) and the infusion bag (Y) in the work space (10) should be used for dispensing, and the calculation means intake amount calculated in (62), whether the upper Symbol working space (10) the proper amount to be injected into the infusion back (Y) provided in the, a determination is determination means (63),
The determination result as to whether or not the medicine container (B) and the infusion bag (Y) in the work space (10) should be used for dispensing, and the obtained inhalation amount are injected into the infusion bag (Y). prescription dispensing support system characterized by comprising an appropriate amount whether the determination result, and display means for displaying (50), the should. A safety cabinet (1) having a negative pressure working space (10);
Provided in the working space (10) within the infusion back (Y) from the order to inject base infusion into medicament container (B) that previously accommodated the powdered medicament What sampling the base infusion syringe (2 ) Measuring means (30) for measuring the empty weight (Wa) and the weight after inhalation (Wb) ;
Storage means (61) for storing the empty weight (Wa);
The amount of inhalation in the syringe (2) from the difference between the weight after inhalation (Wb) of the syringe (2) and the empty weight (Wa) of the syringe (2) that has inhaled the base infusion by a predetermined scale after the measurement of the empty weight (Wa). Computing means (62) for obtaining
Identification information of the infusion bag (Y) in the work space (10) provided in the work space (10), and a powdered medicine for producing a liquid medicine disposed in the work space (10) Reading means (40) for reading the identification information of the medicine container (B) stored in advance;
When the reading means (40) reads the identification information, it is determined whether or not the medicine container (B) and the infusion bag (Y) in the work space (10) should be used for dispensing, and the calculation means intake amount calculated in (62), whether the upper Symbol working space (10) the proper amount to be injected into the medication container (B) provided in the, a determination is determination means (63),
The determination result of whether or not the drug container (B) and the infusion bag (Y) in the work space (10) should be used for dispensing, and the obtained inhalation amount are injected into the drug container (B). prescription dispensing support system characterized by comprising an appropriate amount whether the determination result, and display means for displaying (50), the should.

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