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This paper aims to develop a UHF Gen 2 RFID system for transcutaneous operation for identifying and monitoring orthopedic implants. The major problems of using existing RFID antennas at UHF band for transcutaneous operation include possible interference with pacemakers and interference with other RFID systems working at the same band. To provide a solution for the above problems, this paper uses transcutaneous...
The major problem in operating an implantable radio-frequency identification (RFID) tag embedded on an orthopedic implant is low efficiency because of metallic interference. To improve the efficiency, this paper proposes a method of operating an implantable passive RFID tag using a touch probe at 13.56 MHz. This technology relies on the electric field interaction between two pairs of electrodes, one...
As the population ages, knee and hip replacement surgeries are more and more popular, and embedding an RFID (radio frequency identification) tag on these implants for identification becomes an important issue. Traditional operation of an RFID tag by wireless means will not work on the implantable knees or hips which are made of metal because of the interference caused by metallic objects degrading...
In this paper, we present a wireless power transfer and communication method for biomedical sensors and implants by taking advantage of recently developed witricity technology. New witricity resonator and system designs are described and evaluated by performing both in vitro and in vivo experiments. When compared to the current designs, these new witricity designs demonstrate much improved performances...
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