การปรับปรุงกระบวนการให้บริการเพื่อลดการรอคอยโดยใช้แนวคิดลีนและการจำลองสถานการณ์ : กรณีศึกษาคลินิกทันตกรรม จังหวัดขอนแก่น
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Abstract
The Improvement of The Service System for Reducing Queuing Time by Using Lean Thinking and Simulation Model: The Case Study of Dental Clinic, Khonkaen Province
The objectives of this study were to improve the service process and the queuing system of the dental clinic for reducing queuing time by using Lean Thinking. There were four instruments in this study including questionnaire, Process chart, Pareto chart, and Cause and Effect Diagram. The study found that there were 51.4 percent of customers required the queuing system development. Two approaches were applied for finding the solutions; ECRS technique with four analytic processes including the elimination of unnecessary processes, the combination of processes, the rearrangement of appropriate processes, and the processes or instruments improvement to simplify work. As a result, the dental clinic could increase the number of customers in the orthodontic service for 49.15 percent from Monday to Friday, and the regular dental services could increase the number of customers for 34.78 percent on Monday, Wednesday, and Friday. Besides, the clinic could serve more customers for 60 percent on Tuesday and Thursday and 61.76 percent on Saturday and Sunday.The Anylogic 7.1.2 was applied for the simulation model in order to renew the appointment system of the customers. The appointment time for orthodontic customers should be 15 minutes per person, which would be able to reduce 34.59 percent of queuing time. Moreover, the rearrange appointment time for other dental services should be 35 minutes per person, so 50.69 percent of queuing time could be reduced.
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