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Parallel transmission medical implant safety testbed

pTx safety testbed

Description

A modular, flexible, open-source hardware configuration for parallel transmission (pTx) experiments on RF and medical implant safety. The hardware comprises a home-built 8-channel pTx system (scalable to 32-channels), wideband power amplifiers and a positioning system with submillimeter precision.

Specifications

  • 8-channel transmit RF chain 21-300 MHz (scalable to 32-channels)
  • 4-channel receiver (scalable to 32-channels)
  • Broadband power amplifiers, 20W continuous wave (20-1000 MHz)
  • Synchronized measurements with 3D positioning system COSI Measure
  • portable 19" rack

Contacts

Name Email Institution Applications
Berk Silemek berk.silemek@ptb.de Physikalisch-Technische Bundesanstalt (PTB), Berlin, Germany implant safety
Frank Seifert frank.seifert@ptb.de Physikalisch-Technische Bundesanstalt (PTB), Berlin, Germany pTx and implant safety
Lukas Winter lukas.winter@ptb.de Physikalisch-Technische Bundesanstalt (PTB), Berlin, Germany pTx and implant safety, open source hardware distribution

Contributors (alphabetical order)

Werner Hoffmann, Bernd Ittermann, Reiner Montag, Johannes Petzold, Harald Pfeiffer, Reiner Seemann, Frank Seifert, Berk Silemek, Lukas Winter

Publications

If you find this useful in your work, please cite:

Winter L, Silemek B, Petzold J, et al. Parallel transmission medical implant safety testbed: Real-time mitigation of RF induced tip heating using time-domain E-field sensors. Magnetic Resonance in Medicine 2020;84:3468–3484 doi: 10.1002/mrm.28379.

Acknowledgments

This work was funded by the EMPIR grant 17IND01 MIMAS. The EMPIR initiative is co-funded by the European Union's Horizon 2020 research and innovation program and the EMPIR participating states.

This work has received funding from the European Partnership on Metrology, co-financed by the European Union’s Horizon Europe Research and Innovation Programme and by the Participating States, under grant number 21NRM05 STASIS.

This work is supported by the Open Source Imaging Initiative (OSI²)

License and Liability

Please check the DISCLAIMER