患者张××,30岁,女,主诉因戴环7年4次取环未成而入院。病人于1976年2月产后40天在某医院戴金属单环1个,术后腰腹疼痛难忍,口服消炎药物症状好转,戴环6个月后妊娠,足月分娩未见环形。于产后2个月又去戴金属单环1个,术后仍腰腹疼痛伴恶心呕吐,又投 Patient Zhang × ×, 30 years old, female, chief complaint due to wear ring 4 times 4 times to take the ring is not into the hospital. Patients in February 1976 40 days after delivery in a hospital wearing a metal single ring, postoperative abdominal pain was unbearable, oral anti-inflammatory drug symptoms improved, wear ring 6 months after pregnancy, full-term childbirth no ring. 2 months after delivery to go to wear a metal single ring, postoperative lumbar pain with nausea and vomiting, and cast