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RSS FeedsSensors, Vol. 18, Pages 3888: Design, Modeling, and Evaluation of the Eddy Current Sensor Deeply Implanted in the Human Body (Sensors)

 
 

15 november 2018 19:00:10

 
Sensors, Vol. 18, Pages 3888: Design, Modeling, and Evaluation of the Eddy Current Sensor Deeply Implanted in the Human Body (Sensors)
 




Joint replacement surgeries have enabled motion for millions of people suffering from arthritis or grave injuries. However, over 10% of these surgeries are revision surgeries. We have first analyzed the data from the worldwide orthopedic registers and concluded that the micromotion of orthopedic implants is the major reason for revisions. Then, we propose the use of inductive eddy current sensors for in vivo micromotion detection of the order of tens of μ m. To design and evaluate its characteristics, we have developed efficient strategies for the accurate numerical simulation of eddy current sensors implanted in the human body. We present the response of the eddy current sensor as a function of its frequency and position based on the robust curve fit analysis. Sensitivity and Sensitivity Range parameters are defined for the present context and are evaluated. The proposed sensors are fabricated and tested in the bovine leg.


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45 viewsCategory: Chemistry, Physics
 
Sensors, Vol. 18, Pages 3889: On the Performance of an Aerosol Electrometer with Enhanced Detection Limit (Sensors)
Sensors, Vol. 18, Pages 3887: Indium Nitrite (InN)-Based Ultrasensitive and Selective Ammonia Sensor Using an External Silicone Oil Filter for Medical Application (Sensors)
 
 
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