佔战伤外科手术相当数目的体内异物(枪弹、弹片等摘除术,对于施术者来说,往往是很难处理的问题。是否在体内有异物存在,可利用X光透视和照像得知,但实际上很少能在早期而且很准确地施行异物摘除术,将体内异物取出来。追其原因,不外乎是X光的利用方法不妥善;只将透视时看到的异物的大体位置记在脑里,一半猜测着施术;即或是照像(当然,比单纯透视是强的多)也只从前後、左右两个方向将异物照一下,以此X光照片作为准绳而进行摘除手术, A considerable number of foreign bodies (bullets, shrapnel, etc.) that account for a substantial number of surgical wounds are often difficult to handle for the practitioner. Whether foreign bodies are present in the body can be detected by radiography and radiography , But in fact rarely in the early and very accurate implementation of foreign body extirpation, removal of foreign bodies in the body to chase its reason, nothing more than the use of X-ray method is not good; only see the general perspective of foreign body Position in mind, half guessing surgery; that is, or photography (of course, is much stronger than the simple perspective) also only from front to back, left and right directions to take a photo of foreign body, the X-ray as the standard and Perform surgery,