Use of a 3-D Wireless Power Transfer Technique as a Method for Capsule Localization

Sadeque Reza Khan; Srinjoy Mitra; Marc P. Y. Desmulliez

doi:10.1109/ACCESS.2021.3114212

Use of a 3-D Wireless Power Transfer Technique as a Method for Capsule Localization

Sadeque Reza Khan, Srinjoy Mitra, Marc P. Y. Desmulliez

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Abstract

Capsule endoscopy has been heralded as a technological milestone in the diagnosis and therapeutics of gastrointestinal (GI) pathologies. The location and position of the capsule within the GI tract are important information for subsequent surgical intervention or local drug delivery. Accurate information of capsule location is therefore required during endoscopy. Although radio frequency (RF)-based, magnetic tracking and video localization have been investigated in the past, the complexity of those systems and potential inaccuracy in the localization data necessitate the scope for further research. This article proposes the dual use of a wireless power transfer (WPT) configuration as a method to enable the determination of the location of an endoscopic capsule. Measurements conducted on a homogeneous agar-based liquid phantom predict a maximum error of 12% between the calculated and measured trajectories of the capsule in a working volume of 100 mm × 100 mm × 100 mm.

Original language	English
Pages (from-to)	131685-131695
Number of pages	11
Journal	IEEE Access
Volume	9
Early online date	20 Sep 2021
DOIs	https://doi.org/10.1109/ACCESS.2021.3114212
Publication status	Published - 2021

Keywords

3-D receiver
Antenna measurements
capsule endoscopy
Coils
liquid phantom
localization technique
Location awareness
Magnetic fields
Magnetic liquids
Phantoms
Receivers
wireless power transfer

ASJC Scopus subject areas

Computer Science(all)
Materials Science(all)
Engineering(all)

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title = "Use of a 3-D Wireless Power Transfer Technique as a Method for Capsule Localization",

abstract = "Capsule endoscopy has been heralded as a technological milestone in the diagnosis and therapeutics of gastrointestinal (GI) pathologies. The location and position of the capsule within the GI tract are important information for subsequent surgical intervention or local drug delivery. Accurate information of capsule location is therefore required during endoscopy. Although radio frequency (RF)-based, magnetic tracking and video localization have been investigated in the past, the complexity of those systems and potential inaccuracy in the localization data necessitate the scope for further research. This article proposes the dual use of a wireless power transfer (WPT) configuration as a method to enable the determination of the location of an endoscopic capsule. Measurements conducted on a homogeneous agar-based liquid phantom predict a maximum error of 12% between the calculated and measured trajectories of the capsule in a working volume of 100 mm × 100 mm × 100 mm.",

keywords = "3-D receiver, Antenna measurements, capsule endoscopy, Coils, liquid phantom, localization technique, Location awareness, Magnetic fields, Magnetic liquids, Phantoms, Receivers, wireless power transfer",

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note = "Funding Information: This work was supported by U.K. Engineering and Physical Sciences Research Council (EPSRC) through the Programme Grant entitled Sonopill under Grant EP/K034537/2 and the Platform Grant 4-MD under Grant EP/P027415/1. The work of Sadeque Reza Khan was supported by Heriot-Watt University through the International Doctoral Training Account (DTA). Publisher Copyright: Author",

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AU - Desmulliez, Marc P. Y.

N1 - Funding Information: This work was supported by U.K. Engineering and Physical Sciences Research Council (EPSRC) through the Programme Grant entitled Sonopill under Grant EP/K034537/2 and the Platform Grant 4-MD under Grant EP/P027415/1. The work of Sadeque Reza Khan was supported by Heriot-Watt University through the International Doctoral Training Account (DTA). Publisher Copyright: Author

PY - 2021

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N2 - Capsule endoscopy has been heralded as a technological milestone in the diagnosis and therapeutics of gastrointestinal (GI) pathologies. The location and position of the capsule within the GI tract are important information for subsequent surgical intervention or local drug delivery. Accurate information of capsule location is therefore required during endoscopy. Although radio frequency (RF)-based, magnetic tracking and video localization have been investigated in the past, the complexity of those systems and potential inaccuracy in the localization data necessitate the scope for further research. This article proposes the dual use of a wireless power transfer (WPT) configuration as a method to enable the determination of the location of an endoscopic capsule. Measurements conducted on a homogeneous agar-based liquid phantom predict a maximum error of 12% between the calculated and measured trajectories of the capsule in a working volume of 100 mm × 100 mm × 100 mm.

AB - Capsule endoscopy has been heralded as a technological milestone in the diagnosis and therapeutics of gastrointestinal (GI) pathologies. The location and position of the capsule within the GI tract are important information for subsequent surgical intervention or local drug delivery. Accurate information of capsule location is therefore required during endoscopy. Although radio frequency (RF)-based, magnetic tracking and video localization have been investigated in the past, the complexity of those systems and potential inaccuracy in the localization data necessitate the scope for further research. This article proposes the dual use of a wireless power transfer (WPT) configuration as a method to enable the determination of the location of an endoscopic capsule. Measurements conducted on a homogeneous agar-based liquid phantom predict a maximum error of 12% between the calculated and measured trajectories of the capsule in a working volume of 100 mm × 100 mm × 100 mm.

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KW - Location awareness

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KW - Phantoms

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Use of a 3-D Wireless Power Transfer Technique as a Method for Capsule Localization

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Keywords

ASJC Scopus subject areas

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