节育器异位是常规取环术失败的重要因素我院自９０年以来采用在超声监视及引导下行取环术，使手术能顺利进行，杜绝了可能引起的并发症，现报道如下。１资料与方法１．１一般资料病例系我院门诊和住院病人均因常规方法取环失败而怀疑节育器异位者。共３８例，年龄在２８～... Ectopic isotope IJ is an important factor in the conventional failure to take the loop hospital since 90 years in the use of ultrasound monitoring and guide the downlink detoxification surgery so that surgery can be carried out smoothly to eliminate the possible complications that are reported below. 1 Materials and Methods 1.1 General Information cases Department of Outpatient and inpatient hospital in our hospital due to conventional methods failed to take ring and suspected IUD ectopic. A total of 38 cases, aged 28 ~ ...