Capacitive feedthroughs for medical implants
Open accessAbstract
Important technological advances in the last decades paved the road to a great success story for electrically stimulating medical implants, including cochlear implants or implants for deep brain stimulation. However, there are still many challenges in reducing side effects and improving functionality and comfort for the patient. Two of the main challenges are the wish for smaller implants on one hand, and the demand for more stimulation channels on the other hand. But these two aims lead to a conflict of interests. This paper presents a novel design for an electrical feedthrough, the so called capacitive feedthrough, which allows both reducing the size, and increasing the number of included channels. Capacitive feedthroughs combine the functionality of a coupling capacitor and an electrical feedthrough within one and the same structure. The paper also discusses the progress and the challenges of the first produced demonstrators. The concept bears a high potential in improving current feedthrough technology, and could be applied on all kinds of electrical medical implants, even if its implementation might be challenging.
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Capacitive coupling has evolved to include wireless power transfer, initially finding applications in wideband data telemetry.
“Capacitive coupling has evolved to include wireless power transfer, initially finding applications in wideband data telemetry.”
From Comparative analysis of energy transfer mechanisms for neural implants (2024) · cites this paper as Grob et al., 2016
The Introduction describes capacitive feedthroughs for transmitting stimulation signals through an implant casing, not wireless power transfer. Searches for wireless power transfer and wideband data telemetry found no passage addressing those applications or their chronology; the copy has no page numbers for these passages. (LLM, conf=0.76)
Experimental — accuracy not yet measuredEmerging research has explored capacitive coupling's suitability for wireless powering of biomedical implants.
“Emerging research has explored its suitability for wireless powering of biomedical implants (Grob et al., 2016; Mustapa et al., 2018).”
From Comparative analysis of energy transfer mechanisms for neural implants (2024) · cites this paper as Grob et al., 2016
The Introduction and Conclusion (pages unavailable) discuss capacitive feedthroughs for charge balancing and implant miniaturization, not capacitive coupling for wireless power. Searches for wireless powering and wireless energy transfer found no passage addressing that use; the only exact mention of “wireless” is in a reference title. (LLM, conf=0.75)
Experimental — accuracy not yet measured
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- Authors
- Grob, S., Tass, P. A., & Hauptmann, C.
- Affiliations
- Forschungszentrum Jülich (DE)
- Corresponding author
- Grob, Sven
- Venue
- Frontiers in Neuroscience
- Publisher
- Frontiers Media SA
- Published
- 2016-09-08
- Volume
- 10
- Pages
- 404-404
- ISSN
- 1662-453X (ISSN-L)
- PMC
- PMC5014865
- OpenAlex
- W2517796223
- Cited by
- 3
- References
- 51
- Citations by year
- 2024: 1 · 2021: 1 · 2019: 1
- FWCI
- 0.19
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- cc-by
- Locations
- Frontiers in Neuroscience (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- Kölner Universitäts PublikationsServer (Universität zu Köln) (publishedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- JuSER (Forschungszentrum Jülich) (submittedVersion, cc-by)
- Funders
- Forschungszentrum Jülich
- Topics
- Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neural Engineering
- Physical Sciences › Engineering › Biomedical Engineering › Wireless Body Area Networks
- Physical Sciences › Engineering › Biomedical Engineering › Analog and Mixed-Signal Circuit Design
- Keywords
- biomedical implants, electrical feedthrough, coupling capacitor, cochlear implants, deep brain stimulation
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