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Antennas for ingestible capsule telemetry

Antennas for ingestible capsule telemetry

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The electronic implants for biomedical applications came out in mid-50s with the invention of the first pacemakers. This healthcare innovation exposed the potential and revealed the vast opportunities in the field of implantable electronic devices, enabling new ways of diagnostics and treatments maintaining the patient mobility. So, the idea of wireless telemetry was born: it permits to efficiently prevent, monitor and treat a disease timely. In this chapter, we provide an overview of ingestible capsule wireless telemetry with the main focus on specific challenges and difficulties associated to the design of ingestible GI capsule antenna systems.

Chapter Contents:

  • 6.1 Introduction
  • 6.2 Capsule telemetry in medicine and clinical research
  • 6.2.1 Wireless endoscopy
  • 6.2.2 Wireless telemetry of physiological parameters
  • 6.2.3 Animal-implantable wireless telemetry
  • 6.2.4 Conclusions
  • 6.3 Biological environment
  • 6.3.1 GI capsule passage
  • 6.3.2 Implantable case
  • 6.4 In-body antenna parameters
  • 6.4.1 Resonant frequency
  • 6.4.2 Bandwidth
  • 6.4.3 Radiation efficiency
  • 6.4.4 Detuning immunity
  • 6.4.5 Directivity and gain
  • 6.5 Choice of operating frequency
  • 6.5.1 Higher-frequency attenuation losses
  • 6.5.2 Lower-frequency efficiency and reflection losses
  • 6.5.3 Studies on optimal operating frequency
  • 6.6 Fundamental limitations of ESAs
  • 6.7 Capsule antenna types and overview
  • 6.7.1 Wire antennas
  • 6.7.2 Planar printed antennas
  • 6.7.3 Conformal printed antennas
  • 6.8 Conclusions
  • Acknowledgements
  • References

Inspec keywords: health care; radiotelemetry; patient monitoring; antennas; biomedical telemetry; patient treatment; biomedical electronics; prosthetics

Other keywords: implantable electronic implant device; ingestible GI capsule antenna system; disease treatment; healthcare innovation; patient treatment; patient mobility; ingestible capsule wireless telemetry; biomedical applications; patient diagnostic

Subjects: Prosthetics and orthotics; Patient care and treatment; Single antennas; Telemetry; Radio links and equipment; Biomedical communication

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