Computer assisted orthopaedic surgical system for insertion of distal locking screws in intra-medullary nails: a valid and reliable navigation system

被引:34
|
作者
Malek, S
Phillips, R
Mohsen, A
Viant, W
Bielby, M
Sherman, K
机构
[1] Univ Hull, Dept Comp Sci, Kingston Upon Hull HU6 7RX, N Humberside, England
[2] Hull Royal Infirm, Dept Trauma & Orthopaed, Kingston Upon Hull HU3 2JZ, N Humberside, England
关键词
computer assisted surgery; navigation system; distal locking screw; intramedullary nail; femoral fracture;
D O I
10.1002/rcs.54
中图分类号
R61 [外科手术学];
学科分类号
摘要
The insertion of distal locking screws is a difficult task in intra-medullary (IM) nailing operations of long bones and contributes a significant proportion to the overall operating time. The current technique to insert these screws uses numerous fluoroscopic images and depends on the skins and expertise of the surgeon. The Computer Assisted Orthopaedic Surgical System (CAOSS) was developed to assist orthopaedic surgeons in these operations. The laboratory based test results for insertion of distal locking screws in IM nailing procedures are presented and discussed in terms of accuracy and as part of the validation process to introduce new CAOS procedures into clinical use. This study shows that CAOSS in IM nailing is robust and reliable. Positional accuracy was shown to be within 0.3 mm and angular accuracy within 0.2 degrees with femoral IM nail. CAOSS was also shown to be very reliable and accurate at different angles of distal screws in fluoroscopic image space. Copyright (c) 2005 John Wiley & Sons, Ltd.
引用
收藏
页码:34 / 44
页数:11
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