本研究整理過去12年國泰醫院在行動醫療資訊整合系統(iMMIS)的開發歷程，目標是在醫療團隊住院巡房過程中，改善傳統紙本病歷及電子化病歷(HIS)的攜帶不便、查詢不易、無效率等缺點，來達到在任何時間、任何地點、任何行動載具均可輕易使用的優點。並探討視覺化設計準則，響應式設計的好處，在時間壓力下如何做出快速決策，擬定治療計畫，及軟體開發流程，來尋找因應醫療產業快速變遷的特性下的適用架構，從使用者需求與回饋的功能性出發，以「系統設計」、「開發整合」及「導入應用」的相互循環流程架構來說明其成功的方法。
「系統設計」包含軟硬體系統的高可用性、系統發展、功能及介面設計。結合醫療團隊的領域知識，以醫師及病人為中心的視覺介面設計，將結構及非結構資料整合在16個主功能及84項子功能中。
「開發整合」包含開發歷程、系統測試、系統整合。系統採取三層式架構開發，直接讀取HIS及PACS資料庫來避免資訊落差，過濾有用的資料來減少人工分類資訊的時間，以圖形介面來顯示整合多系統的龐雜資料，利用視覺化色彩區隔來減少醫師誤讀資料的風險，以決策輔助來達成病人治療計畫的擬定，增進病人安全。
「導入應用」包含流程再造、案例應用及效益評估。系統導入是一連串快速變化的迭代過程，系統導入前，查詢一位病人資料需耗費11個步驟24分鐘，系統導入後，僅需6個步驟約4分鐘，此外也能協助每天需耗6.7小時幾乎無法收案的疾病，到能36秒快速收案，提供安全性照護服務。
當醫師透過iMMIS系統進行巡房時，病人的醫療資訊隨手可得，透過系統的快速回應需求、決策支援輔助等特性，可減少資料查詢時間，並提高與病人互動及說明的方式，提供病人更多的病解及關懷服務，此無形的效益也讓醫病關係更和諧。國泰醫院研發的行動醫療資訊整合系統已運用在住院巡房、各科晨會、病歷討論會、病歷教學、個案討論、門診、急診看診等輔助，已成為國泰醫院醫療團隊在每天工作中最依賴的隨身系統。本研究進行國泰醫院的iMMIS系統開發及應用回顧，除了對國泰醫院的醫療人員及研發人員有益外，此經驗亦可提供從事醫療行動系統研發的相關產業做為參考，共同提升整體醫療環境與品質的發展。

This study compiles the 12 years development history of Cathay General Hospital on Integrated Mobil Medical Information System (iMMIS). The target is to improve the weaknesses of traditional paper records and electronic medical records (HIS) in the difficult of carrying, query and inefficiency during the ward rounds to achieve the advantage of easy access at any time, any place and on any mobile device. We explore the standard criteria of Visualization Design and the benefit of Responsive Web Design; how to make swift decisions, draw up treatment plan, and software development process under time pressure. Seeking suitable architecture that copes the rapid change in medical industry; setting out from the needs of the users and the feedback functionality and uses the mutual circulate process architecture of “System Design”, “Development Integration”, and “Application Implementation” to illustrate its method of success.
“System Design” includes high availability of hardware and software system, system development, function and interface design. It combines the knowledge of the medical team, centers the visualization interface design on physicians and patients, and integrates architectural and non-architectural data into 16 main functions and 84 sub-functions.
“Development Integration” includes development history, system testing, and system integration. The system development adopts 3-tier architecture, reading directly from HIS and PACS database to avoid information gap, filtering useful data to reduce manual sorting time. It displays the integration of huge data of multiple systems with graphic interface and uses visualization color segregation to reduce the risks of physicians’ miss-reading the data; achieving the draw up of the patient treatment plan through the decision making to enhance safety.
“Application Implementation” includes process reengineering, case application and benefit assessment. System implementation is a series of iterative process of rapid change. Prior to system implementation, query on the data of one patient takes 11 steps for 24 minutes. After implementation, it only takes 6 steps for about 4 minutes. It also helps the diseases that used to take up to 6.7 hours and almost could be not enrolled to be quickly enrolled in 36 seconds, providing safe care service.
When a physician makes round through iMMIS system, patients’ medical data is at hand; with the features of swift response to needs and assisting decision making, the system reduces data query time, elevates interaction with patients, provides more disease explanation and care. This invisible benefit makes the relationship between physician and patient more harmonious. iMMIS developed by Cathay General Hospital has been applied in assisting the ward rounds, morning meetings of each department, medical record discussion, teaching, case study, visits in out-patient department and emergency service department; it has become the most depended daily work portable system of the Cathay medical team. This study reviews the iMMIS system development and application of Cathay General Hospital. It not only benefits Cathay General Hospital medical and R&D personnel, the experience also provides reference for relevant industries engaging in mobile medical system R&D to elevate the development of overall medical environment and quality together.

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