醫療之目的在解除或減輕病人的疾病與提昇生活品質，但有時病人卻會在醫療處置中受到傷害。根據國外資料顯示，醫療不良事件的發生率約有3.7%，其中以藥物不良事件為所有非手術醫療疏失之首位，高達19.3%，且大部份來自於用藥疏失。要減少用藥疏失及增進用藥安全，必須在用藥過程的各個環節加入防誤機制，用藥安全防護網包括：「醫師開立處方、藥師調劑、護理給藥、病人自我用藥、用藥後追蹤、藥品庫存管理」等安全系統。
　　以醫藥產業而言，無線射頻 可被應用在兩大領域：一、追蹤資產：包括設備、資產等，以增加效能並減少人力成本。二、追蹤資料核實狀況：提高文件自動化（如產品地點、測試資料等）、隨時監控產品。
　　本研究的系統是針對目前管制藥品的庫存及使用管理提出解決方案，希望能加強現行運作的醫療資訊系統。主要成果有三：一、利用『管制藥品專用電子處方箋』來建立一個便於使用的管制藥品使用流程；二、『管制藥品監控及預警程式』可以即時掌握管制藥品的庫存量及使管制藥品拿錯的機率達到最低；三、自動產生的『管制藥品使用記錄』是利用電子化作業來降低管制藥品取用人員紙筆書寫錯誤的機會。

　　The purpose of the medical treatment is relieving or easing patient's pain from diseases and improving quality of life, but sometimes patient will suffer from the injury in improper medical treatment. Statistics show that the rate of improper medical treatment is about 3.7%; among them improper medicine usages come to the first place in all non-surgical operation treatments, totally 19.3%, most of them medicine misusage. To reduce such medicine failure rates and promote secure medicine usages, error prevention mechanism for each stage of a medicine preparation process must be installed. These stages are: doctors give prescriptions, pharmacist prepare drugs, nurses use drugs, and patients use of medicines. Additional works includes how to trace the used medicines and the drugs stock management”.

　　In the medicine industry, the RFID can be applied in the two greatest realms. First, trace the property, including equipments, property...etc., in order to increase the effectiveness of manpower. Secondly, trace the solid condition of data pit, increasing document automation (such as product location and test data etc.) and supervising and controlling products at any time.

　　The purpose of this research is to come up with a solution for the stock and usage management of controlled drugs, hoping to strengthen the security of medical treatments of the current systems. The major contributions are in three aspects. First, the install of "the controlled drugs electronics prescription system" builds up a secure usage process for any controlled medicines. Secondly, "the controlled drugs supervising and early-warning system" verifies the stock of controlled drugs in real time and lowers the probability of misusage of control drugs. Thirdly, "the controlled drugs usage record" in the electronic preparing process reduces the chance of typos in prescribing and dispensing controlled drugs to the minimum.

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