Fully implantable blood pressure sensor for hypertonic patients

In Germany approximately ten million people suffer from high blood pressure. About 1% of these patients can hardly be stabilized on drugs and a long time monitoring is advisable. A system consisting of an implant and an external reader station is presented to realize a long term monitoring for these...

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Bibliographic Details
Main Authors: Fassbender, H., Mokwa, W., Gortz, M., Trieu, K., Urban, U., Schmitz-Rode, T., Gottsche, T., Osypka, P.
Format: Conference Proceeding
Language:English
Subjects:
Arteries
Biomedical monitoring
Blood pressure
Blood vessels
Catheters
Drugs
Implants
Patient monitoring
Telemetry
Wireless communication
Online Access:Request full text
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Summary:In Germany approximately ten million people suffer from high blood pressure. About 1% of these patients can hardly be stabilized on drugs and a long time monitoring is advisable. A system consisting of an implant and an external reader station is presented to realize a long term monitoring for these patients. The implant consists of a newly designed sensor chip integrated at the head of a catheter (Oslash 1.1 mm) and a telemetric unit. The sensor-tip is placed into the femoral artery while the telemetric unit is implanted into the subcutaneous tissue. Thus the disturbance inside the blood vessel and the distance for wireless communication are kept as small as possible to obtain optimal parameters. The implant is supplied with energy wirelessly via inductive coupling from the external reader station. Data is readout from the external station with approx. 30 Hz and an overall accuracy of plusmn 2 mbar.
ISSN:1930-0395
2168-9229
DOI:10.1109/ICSENS.2008.4716664