System for assisting medicinal liquid preparation and method for assisting medicinal liquid preparation

Abstract

A medicinal liquid preparation assist system according to the present invention includes a medicine bottle weight measurement unit having a first weight measurement portion for measuring the total weight of medicine bottles placed on a medicine bottle mounting portion; an infusion bag weight measurement unit having a second weight measurement portion for measuring the weight of an infusion bag placed on an infusion bag mounting portion; a storage unit; a control unit for producing auditing information based on changes in weight measured by the medicine bottle weight measurement unit and the infusion bag weight measurement unit, and storing the produced auditing information in the storage unit; and an information presentation unit for displaying at least one of information about medicinal liquids to be injected into the infusion bag, the information being stored beforehand in the storage unit, and the auditing information stored in the storage unit by the control unit.

1 . A medicinal liquid preparation assist system comprising:
 a medicine bottle weight measurement unit having a medicine bottle mounting portion on which medicine bottles are placed, and a first weight measurement portion for measuring total weight of all the medicine bottles placed on the medicine bottle mounting portion;   an infusion bag weight measurement unit having an infusion bag mounting portion on which an infusion bag is placed; and a second weight measurement portion for measuring weight of the infusion bag placed on the infusion bag mounting portion;   a storage unit;   a control unit for comparing changes in weight measured by the medicine bottle weight measurement unit with changes in weight measured by the infusion bag weight measurement unit, producing auditing information based on a result of the comparison, and storing the produced auditing information in the storage unit; and   an information presentation unit for displaying at least one of information about medicinal liquids to be injected to the infusion bag, the information being stored beforehand in the storage unit, and the auditing information stored in the storage unit by the control unit.   
     
     
         2 . The medicinal liquid preparation assist system according to  claim 1 , wherein the control unit counts a number of the changes in weight measured by the medicine bottle weight measurement unit or a number of the changes in weight measured by the infusion bag weight measurement unit. 
     
     
         3 . The medicinal liquid preparation assist system according to  claim 2 , wherein the control unit calculates a number of the medicine bottles on the medicine bottle mounting portion or a number of the medicinal liquids injected to the infusion bag on the infusion bag mounting portion based on the counted numbers of the changes in weight, produces auditing information by comparing the calculated number of the medicine bottles or of the injected medicinal liquids with a predetermined value, and stores the produced auditing information in the storage unit. 
     
     
         4 . The medicinal liquid preparation assist system according to  claim 1 , further comprising:
 a reader for reading prescription identification data or an input unit through which the prescription identification data is inputted; and   a medical information database for storing the information about the medicinal liquids, wherein   the control unit sends the prescription identification data to the medical information database,   the medical information database sends the information about the medicinal liquids in accordance with the received prescription identification data, and   the control unit stores the information about the medicinal liquids from the medical information database in the storage unit.   
     
     
         5 . The medicinal liquid preparation assist system according to  claim 1 , further comprising a syringe weight measurement portion having a holder for holding a syringe driving device with a syringe attached thereto, and a third weight measurement portion for measuring weight of the syringe driving device held by the holder, wherein
 the control unit compares the changes in weight measured by the medicine bottle weight measurement unit, the changes in weight measured by the infusion bag weight measurement unit, and changes in weight measured by the syringe weight measurement portion, produces auditing information based on a result of the comparison, and stores the produced auditing information in the storage unit.   
     
     
         6 . The medicinal liquid preparation assist system according to  claim 1 , further comprising a camera, wherein
 the control unit displays, on the information presentation unit, actually photographed images of the medicine bottles containing the medicinal liquids to be injected into the infusion bag on the infusion bag mounting portion arranged in mixing and preparing order, and compares the actually photographed images and images of the medicine bottles on the medicine bottle mounting portion photographed by the camera.   
     
     
         7 . The medicinal liquid preparation assist system according to  claim 1 , wherein the control unit calculates weight or amounts of the withdrawn medicinal liquids based on the changes in weight measured by the medicine bottle weight measurement unit when the medicinal liquids are withdrawn from the medicine bottles on the medicine bottle mounting portion, compares the calculated weight or amounts of the medicinal liquids with a predetermined value, and produces withdrawal error information indicating at least one of errors in the amounts of the withdrawn medicinal liquids, errors in types of the withdrawn medicinal liquids, and spilling of the medicinal liquids when the calculated weight or amounts of the medicinal liquids do not coincide with the predetermined value. 
     
     
         8 . A method for assisting medicinal liquid preparation, the method comprising:
 a medicine bottle weight measuring step of measuring total weight of medicine bottles placed on a medicine bottle mounting portion;   an infusion bag weight measuring step of measuring weight of an infusion bag placed on an infusion bag mounting portion; and   an auditing information producing step of comparing changes in weight measured by the medicine bottle weight measuring step and changes in weight measured by the infusion bag weight measuring step, producing auditing information based on a result of the comparison, and storing the produced auditing information in a storage unit.   
     
     
         9 . The method for assisting medicinal liquid preparation according to  claim 8 , further comprising a number counting step of counting a number of the changes in weight measured by the medicine bottle weight measuring step or a number of the changes in weight measured by the infusion bag weight measuring step. 
     
     
         10 . The method for assisting medicinal liquid preparation according to  claim 9 , further comprising the step of calculating a number of the medicine bottles on the medicine bottle mounting portion or a number of the medicinal liquids injected into the infusion bag on the infusion bag mounting portion based on the number counted by the number counting step, producing auditing information by comparing the calculated number of the medicine bottles or the calculated number of the injected medicinal liquids with a predetermined value, and storing the produced auditing information in the storage unit. 
     
     
         11 . The method for assisting medicinal liquid preparation according to  claim 8 , further comprising a syringe weight measuring step of measuring weight of a syringe driving device with a syringe attached thereto, wherein
 in the auditing information producing step, the changes in weight measured by the medicine bottle weight measuring step, the changes in weight measured by the infusion bag weight measuring step, and changes in weight measured by the syringe weight measuring step are compared, auditing information is produced based on a result of the comparison, and the produced auditing information is stored in the storage unit.   
     
     
         12 . The method for assisting medicinal liquid preparation according to  claim 8 , further comprising the steps of:
 reading prescription identification data;   sending the read prescription identification data to a medical information database; and   receiving, from the medical information database, information about medicinal liquids in accordance with the prescription identification data, and storing the received information about the medicinal liquids in the storage unit.   
     
     
         13 . The method for assisting medicinal liquid preparation according to  claim 8 , further comprising the steps of:
 displaying actually photographed images of medicine bottles containing medicinal liquids to be injected into the infusion bag on the infusion bag mounting portion arranged in mixing and preparing order; and   comparing the actually photographed images with photographed images of the medicine bottles on the medicine bottle mounting portion.   
     
     
         14 . The method for assisting medicinal liquid preparation according to  claim 8 , further comprising the step of displaying information about an operation or a driving speed of a syringe driving device, based on information about medicinal liquids to be injected into the infusion bag stored in the storage unit, before the medicinal liquids are withdrawn into a syringe. 
     
     
         15 . A method for assisting medicinal liquid preparation comprising:
 a display step of displaying information about medicinal liquids to be injected into an infusion bag, the information being stored in a storage unit;   a medicine bottle weight measuring step of measuring total weight of medicine bottles placed on a medicine bottle mounting portion;   an infusion bag weight measuring step of measuring weight of the infusion bag placed on an infusion bag mounting portion;   a number counting step of counting a number of changes in weight measured by the medicine bottle weight measuring step or a number of changes in weight measured by the infusion bag weight measuring step; and   the step of calculating a number of the medicine bottles on the medicine bottle mounting portion or a number of the medicinal liquids injected into the infusion bag on the infusion bag mounting portion based on the number counted by the number counting step, producing auditing information by comparing the calculated number of the medicine bottles or the calculated number of the injected medicinal liquids with a predetermined value, and storing the produced auditing information in the storage unit.   
     
     
         16 . The method for assisting medicinal liquid preparation according to  claim 8 , further comprising the steps of:
 calculating weight or amounts of withdrawn medicinal liquids based on the changes in weight measured by the medicine bottle weight measuring step, and comparing the calculated weight or amounts of the withdrawn medicinal liquids with a predetermined value; and   producing withdrawal error information indicating at least one of errors in the amounts of the withdrawn medicinal liquids, errors in types of the withdrawn medicinal liquids, and spilling of the medicinal liquids when it is recognized that the calculated weight or amounts of the withdrawn medicinal liquids do not coincide with the predetermined value.   
     
     
         17 . The method for assisting medicinal liquid preparation according to  claim 8 , further comprising the steps of:
 calculating changes in weight or amount of medicinal liquids injected into the infusion bag based on the weight measured by the infusion bag weight measuring step, and comparing the calculated changes in weight or amount of the medicinal liquids with a predetermined value; and   producing injection error information indicating at least one of errors in the amounts of the injected medicinal liquids, errors in types of the injected medicinal liquids, remaining of the medicinal liquids in a syringe, and spilling of the medicinal liquids, when it is recognized that the calculated changes in weight or amount of the injected medicinal liquids do not coincide with the predetermined value.   
     
     
         18 . The method for assisting medicinal liquid preparation according to  claim 11 , further comprising the steps of:
 determining whether or not a medicinal liquid withdrawn into the syringe is all injected into the infusion bag based on the weight measured by the syringe weight measuring step; and   producing residual error information when it is recognized that the medicinal liquid remains in the syringe.   
     
     
         19 . The method for assisting medicinal liquid preparation according to  claim 11 , further comprising the steps of:
 calculating weight or an amount of a medicinal liquid withdrawn into the syringe based on the weight measured by the syringe weight measuring step, and comparing the calculated weight or amount of the withdrawn medicinal liquid with a predetermined value; and   producing withdrawal error information indicating at least one of errors in the amounts of the withdrawn medicinal liquids, errors in types of the withdrawn medicinal liquids, and spilling of the medicinal liquids, when it is recognized that the calculated weight or amount of the withdrawn medicinal liquid does not coincide with the predetermined value.   
     
     
         20 . (canceled)