Localization of Uncemented Hip Stem Loosening with a Novel In-vivo Sensor System Based on Vibration Analysis

被引：0

作者：

Ruther, C. ^{[1
]}

Ewald, H. ^{[2
]}

Mittelmeier, W. ^{[1
]}

Bader, R. ^{[1
]}

Kluess, D. ^{[1
]}

机构：

[1] Univ Rostock, Dept Orthopaed, Doberaner Str 142, D-18055 Rostock, Germany

[2] Univ Rostock, Inst Elect Engn, Rostock, Germany

来源：

6TH WORLD CONGRESS OF BIOMECHANICS (WCB 2010), PTS 1-3 | 2010年 / 31卷

关键词：

aseptic implant loosening; uncemented endoprosthesis; sensor system; vibration; diagnosis method; PROSTHESIS; DIAGNOSIS;

D O I：

暂无

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

The major reason for revision surgery of load bearing implants is aseptic loosening, especially with regard to total hip arthroplasty. Osseous anchorage of loosened implants needs to be measured exactly in order to ensure the indication for revision surgery and additionally to enable early detection of the loosening process. However, current diagnostic methods show unsatisfying results concerning sensitivity and specificity. Therefore, a new sensor system is being developed based on an acousto-mechanical approach, which can be used non-invasively and radiation-free to measure the stability of endoprosthesis fixation on the bone stock. This paper intends to show initial results of functional models, which are used to prove the measuring principle.

引用

页码：620 / +

页数：2