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美国乔治华盛顿大学医学院临床外科副教授John J O’Connor及其同事用光凝固器发射的短暂红外线治疗500多例过去需手术的痔疮病人。光凝固法远没有手术那样疼痛,而且速度快、经济、节省时间、可以在诊室内进行治疗。此装置是西德Messex Schmidt公司制造的,约重3磅,由一低压供能装置、一红外线光源和一外层为不与组织粘连的特殊聚合物的内窥镜探头组成。治疗对象:一般用于治疗Ⅰ度、Ⅱ度和Ⅲ度痔疮,病人有直肠的鲜红色出血,并且作过乙状结肠镜检查以及为排除其它病因所进行的其它必要检查之后,可以开始此疗法。
John J O’Connor, associate professor of clinical surgery at the George Washington University School of Medicine, and his colleagues treated more than 500 patients with hemorrhoids who had surgery in the past with transient infrared radiation from a photocoagulator. Photocoagulation is far less painful than surgery, and it is fast, economical and saves time and can be treated in the office. The device, manufactured by Messex Schmidt, West Germany, weighs about 3 pounds and consists of a low-voltage power supply, an infrared light source, and an endoscopic probe whose outer layer is a special polymer that does not adhere to the tissue. Subjects to be treated: The therapy is generally used to treat grade I, II, and III hemorrhoids, patients have a red bleeding rectum, and has undergone sigmoidoscopy and other necessary tests to rule out other causes.