Effectiveness of resonance frequency in predicting orthopedic implant strength and stability in an in vitro osseointegration model

被引:11
作者
Isaacson, Brad M. [1 ,2 ]
Vance, Richard E. [3 ]
Chou, Teri G. Rosenbaum [4 ]
Blocbaum, Roy D. [1 ,2 ,3 ]
Bachus, Kent N. [1 ,2 ,3 ]
Webster, Joseph B. [1 ,5 ]
机构
[1] Dept Vet Affairs Salt Lake City Hlth Care Syst, Bone & Joint Res Lab, Salt Lake City, UT USA
[2] Univ Utah, Dept Bioengn, Salt Lake City, UT 84112 USA
[3] Univ Utah, Dept Orthopaed, Salt Lake City, UT USA
[4] Orthocare Innovat, Seattle, WA USA
[5] Univ Utah, Dept Phys Med & Rehabil, Salt Lake City, UT USA
关键词
bone; bone-implant interface; implant stability; limb amputation; mechanical testing; osseointegration; outcomes; rehabilitation; resonance frequency; skeletal fixation; POROUS-COATED IMPLANTS; TOTAL HIP-REPLACEMENT; TITANIUM IMPLANTS; CORTICAL BONE; TISSUE DIFFERENTIATION; DENTAL IMPLANTS; INGROWTH; INTERFACE; IMMEDIATE; RABBIT;
D O I
10.1682/JRRD.2009.06.0080
中图分类号
R49 [康复医学];
学科分类号
100215 ;
摘要
Developing noninvasive tools that determine implant attachment strength to bone and monitor implant stability over time will be important to optimize rehabilitation protocols following insertion of osseointegrated implants in patients with limb loss. While resonance frequency has been previously shown to correlate with implant stability in dental implants placed in the mandible and maxilla, this tool has not been evaluated with implants placed in the medullary canal of long bones. In an in vitro model used to simulate irregular medullary canal implant contact and osseointegration, a strong positive correlation was determined between resonance frequency implant stability quotient values and the force required tor implant pushout. The force required for implant displacement also correlated to the distance from the point of fixation to the transducer at the proximal end of the implant (point of resonance frequency monitoring).
引用
收藏
页码:1109 / 1120
页数:12
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