Fabrication and assembly of MEMS accelerometer-based heart monitoring device with simplified, one step placement

Fjodors TjulkinsHBV, Buskerud and Vestfold University College, IMST, Department of Micro and Nano Systems Technology, Raveien 2053184 Borre, Norway, Correspondence[email protected]

Anh-Tuan Thai NguyenHBV, Buskerud and Vestfold University College, IMST, Department of Micro and Nano Systems Technology, Raveien 2053184 Borre, Norway,

Erik AndreassenHBV, Buskerud and Vestfold University College, IMST, Department of Micro and Nano Systems Technology, Raveien 2053184 Borre, Norway, ;SINTEF Materials and Chemistry, PO Box 124, Blindern, NO-0314 Oslo, Norway, and

Knut AasmundtveitHBV, Buskerud and Vestfold University College, IMST, Department of Micro and Nano Systems Technology, Raveien 2053184 Borre, Norway,

Nils HoivikHBV, Buskerud and Vestfold University College, IMST, Department of Micro and Nano Systems Technology, Raveien 2053184 Borre, Norway,

Lars HoffHBV, Buskerud and Vestfold University College, IMST, Department of Micro and Nano Systems Technology, Raveien 2053184 Borre, Norway,

Per Steinar HalvorsenOslo University Hospital, The Intervention Centre, Oslo Universitetssykehus, Rikshospitalet, Sognsvannsveien 20 0450 Oslo, Norway

Ole-Johannes GrymyrOslo University Hospital, The Intervention Centre, Oslo Universitetssykehus, Rikshospitalet, Sognsvannsveien 20 0450 Oslo, Norway

Kristin ImenesHBV, Buskerud and Vestfold University College, IMST, Department of Micro and Nano Systems Technology, Raveien 2053184 Borre, Norway,

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Abstract

An accelerometer-based heart monitoring system has been developed for real-time evaluation of heart wall movement. In this paper, assembly and fabrication of an improved device is presented along with system characterization and test data from an animal experiment. The new device is smaller and has simplified the implantation procedure compared to earlier prototypes. Leakage current recordings were well below those set by the corresponding standards.

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Acknowledgements

The Research Council of Norway is acknowledged for the support to the Norwegian Micro- and Nano-Fabrication Facility, NorFab (197411/V30) and the Norwegian PhD Network on Nanotechnology for Microsystems, Nano-Network (221860/F40). The Oslofjord Regional Research Fund in Norway is gratefully acknowledged for support through the regional institution project #208933 ‘New Packaging Methods for Smart Implantable Microsensors’.

Declaration of interest

The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.

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Fabrication and assembly of MEMS accelerometer-based heart monitoring device with simplified, one step placement

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Fabrication and assembly of MEMS accelerometer-based heart monitoring device with simplified, one step placement

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