Preoperative trajectory planning for closed reduction of long-bone diaphyseal fracture using a computer-assisted reduction system

被引:34
作者
Du, Hailong [1 ]
Hu, Lei [2 ]
Li, Changsheng [2 ]
He, Chunqing [1 ]
Zhang, Lihai [1 ]
Tang, Peifu [1 ]
机构
[1] Chinese Peoples Liberat Army Gen Hosp, Dept Orthopaed, Beijing 100853, Peoples R China
[2] Beihang Univ, Inst Robot, Beijing 100191, Peoples R China
关键词
trajectory planning; computer-assisted orthopaedic surgery (CAOS); diaphysial fracture; ORTHOPEDIC-SURGERY; DEFORMITY CORRECTION; EXTERNAL FIXATOR; SHAFT FRACTURES; TIBIAL SHAFT; INTRAMEDULLARY; FEMUR; EVOLUTION;
D O I
10.1002/rcs.1573
中图分类号
R61 [外科手术学];
学科分类号
摘要
BackgroundBalancing reduction accuracy with soft-tissue preservation is a challenge in orthopaedics. Computer-assisted orthopaedic surgery (CAOS) can improve accuracy and reduce radiation exposure. However, previous reports have not summarized the fracture patterns to which CAOS has been applied. MethodsWe used a CAOS system and a stereolithography model to define a new fracture classification. Twenty reduction tests were performed to evaluate the effectiveness of preoperative trajectory planning. ResultsTwenty tests ran automatically and smoothly. Only three slight scratches occurred. Seventy-six path points represented displacement deviations of<2mm (average<1mm) and angulation deviation of<1.5 degrees. DiscussionBecause of the strength of muscles, mechanical sensors are used to prevent iatrogenic soft-tissue injury. Secondary fractures are prevented mainly through preoperative trajectory planning. Based on our data, a 1mm gap between the edges of fractures spikes is sufficient to avoid emergency braking from spike interference. Copyright (c) 2014 John Wiley & Sons, Ltd.
引用
收藏
页码:58 / 66
页数:9
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