การพัฒนาต้นแบบเครื่องยิงยางรัดริดสีดวงอัตโนมัติ (DEVELOPMENT OF PROTOTYPE OF AUTOMATED HEMORRHOID LIGATOR)
Abstract
Hemorrhoids are often found and one of treatments is the rubber band ligator which is easy and less pain. There are many types of the rubber band ligator which are different in material and mechanism. In this research, there are three main objective of development. First, the ligator is easy for sanitization. Second, Rubber band is designed to move automatically supported by the new mechanic design that help reduce contact surface with patient. Third, It is developed with a new design of nozzle and trigger which is autosuction and able to shoot the rubber band simultaneously. Hence, the new portable ligator will be convenient for treatment and mobility. According to the tests, the newly designed ligator can be used properly as expected and it can be developed more in order to reduce the ligator from abroad.
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