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Project Background
How to manage medicines accurately and safely has always troubled pharmacists, doctors and nurses in hospitals. Not only in the pharmaceutical retail industry, but also in the entire work process in hospitals, there are many factors and links that have negative consequences for the safe distribution and management of drugs. Medical accidents resulting in death of patients due to human error and a considerable number of undesirable consequences often occur. Improper medication is difficult to ensure correct treatment. Therefore, how to accurately and accurately reflect the information of each link is very important. So what are the specific links?
Production and supply links
A. When pharmaceutical companies produce and deliver drugs, they do not set the product batch number and product expiration date printed on the drug packaging into a format that can be read by the machine, so it cannot be well integrated with the end user’s operating system.
B. The medicines are provided to hospitals and medical clinics by distributors as they are.
The hospital’s process of reprocessing medicine packaging
Although some medicines purchased by hospitals are printed with identification barcodes, they do not actually play a role. They are all read manually to obtain medicine information.
In order to be suitable for use by wards and patients, re-enter the packaging according to the new quantity and size.
There are no standard packaging specifications for materials and drugs used in clinical examinations.
Follow the doctor’s instructions to dispense medicines.
The medical staff will deliver the medicines to designated wards, other departments or other hospitals.
Medication management during clinical trials or ward inspections
Approved inspection conclusion after medication inspection
Two ways to deal with drugs: keep them for use or return them to the original pharmaceutical company
These links will affect every patient. This means that if an error occurs in any link, it will affect the next step. How to ensure that useful information can be recorded and easily accessible by any department.
The most common method is to use one-dimensional barcodes, which are used by drug manufacturers and hospitals. That is, when the medicine is manufactured, the one-dimensional bar code is printed on the outer packaging as the identification of the medicine. Its contents include:
A) The name of the drug (scientific name and marketing name).
B) Drug dosage.
C) Drug specifications
2. Ways to realize link connection
Some companies specializing in barcode technology have developed two-dimensional barcodes, which can store large amounts of information. In the early 1990s, SYMBOL developed a two-dimensional barcode PDF417. PDF means “portable data file”, and the information can be read directly by the scanner. Currently, PDF417 has been applied to driving licenses and postal services in some areas of the United States. Fig. In the late 1990s, SYMBOL launched the micro PDF barcode, which can store 90 ASCII characters, used to store all the information of medicines, and printed on the foils of single-use injections or medicines. The key advantage of using micro PDF barcodes is that the information is large and the information can be read directly without connecting to a database.
Drug information can include:
A. Name of drug
B. Length of medicine
C. Packing size
D. Production date
E. Product batch number
F. Validity
G. Allergy instructions
This means that for the first time, the above information will be generated into a micro-PDF barcode to be pasted on the medicine, and the link will be from the initial delivery of the medicine to the use, and if necessary, back to the warehouse and other links. The contact with the patient can be achieved by reading the PDF 417 barcode logo printed on the patient’s wrist or the PDF 417 barcode printed on the patient’s medication or examination report.
Manufacturers should be the first to apply micro PDF barcodes. It should be part of the internal drug labeling management, especially when the bulk drugs are produced and then packaged into the required small packages.
Some pharmaceutical companies producing veterinary drugs in Europe have already applied micro-PDF barcodes. On the farm, in the computer program that people use to track and check the food of livestock, all medicines are automatically distributed to the food troughs of the livestock, and the results are stored in the medication records of each livestock, and then a report is generated to the farm owner. Pharmaceutical companies generate micro-PDF barcode labels for drug information so that everyone can use the aforementioned computer programs for tracking and checking livestock food. Their ultimate goal is to hope that the entire pharmaceutical industry can use PDF barcodes. .
2 .Advantages of using micro PDF barcodes
Through the hospital’s computer network system, the following results can be achieved:
After scanning the barcode, you can get the detailed drug inventory records.
Recall through the barcode on the drug packaging:
Dispensing situation
Internal delivery
Reserve medicine situation
Whereabouts of the ward
Details of patient medication
Drugs returned to pharmaceutical companies
Retrieve the wrongly-issued medicines through barcodes, so as to solve blind manual searching.
Check and use medicines according to the date of the invoice. Therefore, it is avoided that the use of expired medicines causes the medicine to be invalid or the medicine stock time exceeds the medicine validity period.
In addition to mini PDF, it is now also developed to use PDF417 to store facial recognition patterns and photo recognition as well as patient records and staff codes on the identification card on the patient’s wrist. After logging into the medicine application system, the patient can check the correctness of the medicine by himself.
The key to the application of two-dimensional barcodes in medicines is whether they can demonstrate the advantages of reducing human medication errors. In short, barcode scanning technology can bring advantages that other technologies cannot compare.
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