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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.
- 8-channel transmit RF chain 21-300MHz (scalable to 32)
- 4-channel receiver (scalable)
- Broadband power amplifiers, 20W continuous wave
- Synchronized measurements with 3D positioning system COSI Measure
- portable 19" rack
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 | implant safety, open source hardware distribution
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.](https://onlinelibrary.wiley.com/doi/full/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), https://www.opensourceimaging.org/ (we can post here later the link, when we upload it to OSI)
## License and Liability
Please check the DISCLAIMER.pdf