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Title: Bone fracture monitoring using implanted antennas in the radius tibia and phalange heterogeneous bone phantoms
Authors: Symeonidis, Symeon
Whittow, W.G.
Panagamuwa, C.J.
Zecca, Massimiliano
Keywords: Multilayer anatomical phantom
Implanted antennas
Biomedical applications
Wireless communications
Bone fracture monitoring
Issue Date: 2018
Publisher: © IOP Publishing Ltd.
Citation: SYMEONIDIS, S. ... et al., 2018. Bone fracture monitoring using implanted antennas in the radius tibia and phalange heterogeneous bone phantoms. Biomedical Physics & Engineering Express, 4, 045006.
Abstract: This paper proposes an innovative technique for monitoring the healing of severe bone fractures using a pair of radio frequency monopoles implanted in the fractured bone. It is envisaged that the screws and external fixation used to stabilise and align the bone will also act as monopole antennas. The proposed antenna configurations were measured inside three novel heterogeneous bone phantoms representing the radius, tibia and phalange bones, and the results were compared to computer simulations with a voxel model of a 26-year-old female from CST Microwave Studio's Virtual Family. The power transmitted from one monopole to the other (S 21) was measured and evaluated as an indicator for fracture healing as blood emulating liquid was injected inside the phantom emulating the conditions of a bone fracture. Finally, for the validation of the phantom measurements, an ex-vivo measurement was conducted using a lamb femur bone. In all cases, the power transmitted from one monopole to the other through the fracture decreased significantly as the volume of the blood representing the fracture increased. The proposed system could provide doctors with a quantitative monitoring tool regarding the healing progress of a fractured bone through the reduction of the wound's hematoma during the first four weeks after the trauma that are critical for bone restoration.
Description: This is an author-created, un-copyedited version of an article published in Biomedical Physics and Engineering Express . IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at https://doi.org/10.1088/2057-1976/aab974.
Sponsor: The authors would also like to acknowledge the partial financial support of the Engineering and Physical Sciences Research Council for this work via the UNIFY [41] and UNIFY+ [42] Networks.
Version: Accepted for publication
DOI: 10.1088/2057-1976/aab974
URI: https://dspace.lboro.ac.uk/2134/33008
Publisher Link: https://doi.org/10.1088/2057-1976/aab974
Appears in Collections:Published Articles (Mechanical, Electrical and Manufacturing Engineering)

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