UTN

Full weight bearing began at 20.2 weeks after operation in the UTN group and at 36.2 weeks in the external fixator group.

UTN组完全负重时间为术后20.2周，明显短于外固定组的36.2周（P<0.05）；

After receiving his MBA from Northeastern University in Massachusetts, Mr Arora spent the next seven years at Fidelity and Putnam Investments, covering the booming telecoms industry in the 1990s.

在马萨诸塞州的东北大学（Northeastern University）获得MBA学位后，阿罗拉在富达投资（Fidelity Investments）和百能投资（Putnam Investments）一共工作了7年，亲身经历了电信行业在上世纪90年代的蓬勃发展。

UTN Versus External Fixation for Open Tibial Fractures

UTN与外固定架治疗胫骨开放骨折的疗效评估

Objective To evaluate the effectiveness of unreamed interlocked tibial nails ( UTN) and external fixator in the treatment of open tibia fractures.

目的比较非扩髓胫骨带锁髓内钉（UTN）和外固定架治疗胫骨开放骨折的疗效。

By 1845, with Westminster too crowded, the race moved up river to Putney.

到1845年，西敏斯特也人满为患，比赛又转至泰晤士河上游普特尼（Putney）。

No deep infection occurred in the UTN group but there were 4 cases of significant pin track infections in the external fixator group.

UTN组无深部感染，外固定组4例有明显钉道感染。