Imperial College London


Faculty of MedicineDepartment of Surgery & Cancer

Senior Lecturer



+44 (0)20 7594 0806benny.lo Website




B414BBessemer BuildingSouth Kensington Campus






BibTex format

author = {Berthelot, M and Yang, G-Z and Lo, B},
doi = {10.1109/BSN.2018.8329665},
pages = {86--89},
publisher = {IEEE},
title = {Tomographic probe for perfusion analysis in deep layer tissue},
url = {},
year = {2018}

RIS format (EndNote, RefMan)

AB - Continuous buried soft tissue free flap postoperative monitoring is crucial to detect flap failure and enable early intervention. In this case, clinical assessment is challenging as the flap is buried and only implantable or hand held devices can be used for regular monitoring. These devices have limitations in their price, usability and specificity. Near-infrared spectroscopy (NIRS) has shown promising results for superficial free flap postoperative monitoring, but it has not been considered for buried free flap, mainly due to the limited penetration depth of conventional approaches. A wearable wireless tomographic probe has been developed for continuous monitoring of tissue perfusion at different depths. Using the NIRS method, blood flow can be continuously measured at different tissue depths. This device has been designed following conclusions of extensive computerised simulations and it has been validated using a vascular phantom.
AU - Berthelot,M
AU - Yang,G-Z
AU - Lo,B
DO - 10.1109/BSN.2018.8329665
EP - 89
PY - 2018///
SN - 2376-8886
SP - 86
TI - Tomographic probe for perfusion analysis in deep layer tissue
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