With the help of modern fiberoptic instruments, high quality video camera and monitor, the surgery is performed at an outpatient office under topical anesthesia by using various curved surgical instruments.

• 病患可在门诊，采坐姿经局部麻醉，利用先进的影像技术、光学仪器，以及弯形的手术器械，在清晰的录影视野下进行手术。