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Pressure sensor capsule to control the treatment of abdominal aorta aneurisms

 
: Schlierf, R.; Görtz, M.; Rode, T.S.; Mokwa, W.; Schnakenberg, U.; Trieu, H.-K.

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Korean Sensors Society; IEEE Electron Devices Society:
Transducers '05. 13th International Conference on Solid-State Sensors, Actuators and Microsystems. Vol.2 : Seoul, Korea, June 5 - 9, 2005. Digest of technical papers
Piscataway, NJ: IEEE Operations Center, 2005
ISBN: 0-7803-8994-8
pp.1656-1659
International Conference on Solid-State Sensors, Actuators and Microsystems <13, 2005, Seoul>
English
Conference Paper
Fraunhofer IMS ()
capacitive sensor; cardiology; treatment; pressure sensor; prosthesis; telemetry

Abstract
This paper describes a new sensor application that provides measuring the pressure in abdominal aorta aneurisms (AAA). Using a foldable prosthesis to treat AAA, leakages can occur. Therefore, we invented a batteryless telemetric pressure monitoring system for the detection of these leakages. The system consists of an implantable capsule and an external reader station. A capacitive pressure sensor and a ferrite based micro coil is integrated in the capsule. First in-vitro tests show a transmission range of up to 120 mm.

: http://publica.fraunhofer.de/documents/N-129884.html