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TitleDesign of a pressure sensor for monitoring of post-endovascular aneurysm repair
Author(s)Sepúlveda, A. T.
Santos, Isa C. T.
Fachin, F.
Guzmán de Villoria, R.
Wardle, B. L.
Pontes, A. J.
Viana, J. C.
Rocha, Luís A.
KeywordsImplantable pressure sensor
Carbon nanotubes
Pressure sensor design
Issue date26-Jan-2011
Abstract(s)This paper introduces the design and fabrication process of a flexible pressure sensor for monitoring postendovascular aneurysm repairs (EVAR). Biocompatible flexible PDMS membranes with embedded aligned carbon nanotubes (CNTs) with a conductivity of 11 S.m-1 and elastic modulus of 2 MPa are used to build a LC network for passive telemetry readout-out. The pressure sensor has a modelled sensitivity 14fF/mmHg for a pressure range between 6-47 mmHg, in agreement with the required application. The pressure sensor, with a 250 μm thickness and total area of 1 cm2, will be contained within the stent-graft and used to measure the pressure inside the aneurysm sac to detect complications related to the EVAR procedure.
TypeConference paper
AccessRestricted access (UMinho)
Appears in Collections:IPC - Textos completos em actas de encontros científicos internacionais com arbitragem

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