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我科于1993～1996年期间,利用国产BMD—1型模拟定位机定位后,在X线电视监视下取口腔颌面部异物存留24例,手术均获成功。 临床资料 24例患者中男性21例,女性3例,年龄5～50岁,病程1h～38d。异物种类包括猎、汽枪子弹16例,铁屑4例,碎石块3例,螺丝1例。异物存留部位中,腮腺嚼肌区11例,颊部及面侧深区5例,鼻区4例、眶区3例、颧区3例、咽后壁1例、舌根1例。 手术方法:根据模拟定位机确定的异物位置和距离体表的深度,以及病程的长短考虑是否通过原弹道或另选隐蔽切口,在电视监控下,用小号止血钳
During the period from 1993 to 1996, our department made use of the domestic BMD-1 simulated positioning machine to locate 24 cases of foreign bodies in oral and maxillofacial region under the surveillance of X-ray television. The surgery was successful. Clinical data 24 patients, 21 males and 3 females, aged 5 to 50 years, duration of 1h ~ 38d. Foreign species include hunting, steam gun bullets in 16 cases, iron filings in 4 cases, gravel in 3 cases, screws in 1 case. There were 11 cases of parotid chewing muscle area, 5 cases of cheek area and facial side deep area, 4 cases of nasal area, 3 cases of orbital area, 3 cases of zygomatic area, 1 case of pharyngeal posterior wall and 1 case of tongue base. Surgical methods: According to the simulated positioning machine to determine the location of foreign body and distance from the depth of the body surface, as well as the duration of the disease to consider whether the original trajectory or alternatively hidden incision, under the supervision of the television with a small hemostat