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Simultaneous Acquisition of Ultrasound and Gamma Signals with a Single-Channel Readout

We propose an integrated front-end data acquisition circuit for a hybrid ultrasound (US)-gamma probe. The proposed circuit consists of three main parts: (1) a preamplifier for the gamma probe, (2) a preprocessing analog circuit for the US, and (3) a digitally controlled analog switch. By exploiting...

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Autores principales: Ullah, Muhammad Nasir, Park, Yuseung, Kim, Gyeong Beom, Kim, Chanho, Park, Chansun, Choi, Hojong, Yeom, Jung-Yeol
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7913829/
https://www.ncbi.nlm.nih.gov/pubmed/33557045
http://dx.doi.org/10.3390/s21041048
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author Ullah, Muhammad Nasir
Park, Yuseung
Kim, Gyeong Beom
Kim, Chanho
Park, Chansun
Choi, Hojong
Yeom, Jung-Yeol
author_facet Ullah, Muhammad Nasir
Park, Yuseung
Kim, Gyeong Beom
Kim, Chanho
Park, Chansun
Choi, Hojong
Yeom, Jung-Yeol
author_sort Ullah, Muhammad Nasir
collection PubMed
description We propose an integrated front-end data acquisition circuit for a hybrid ultrasound (US)-gamma probe. The proposed circuit consists of three main parts: (1) a preamplifier for the gamma probe, (2) a preprocessing analog circuit for the US, and (3) a digitally controlled analog switch. By exploiting the long idle time of the US system, an analog switch can be used to acquire data of both systems using a single output channel simultaneously. On the nuclear medicine (NM) gamma probe side, energy resolutions of 18.4% and 17.5% were acquired with the standalone system and with the proposed switching circuit, respectively, when irradiated with a Co-57 radiation source. Similarly, signal-to-noise ratios of 14.89 and 13.12 dB were achieved when US echo signals were acquired with the standalone system and with the proposed switching circuit, respectively. Lastly, a combined US-gamma probe was used to scan a glass target and a sealed radiation source placed in a water tank. The results confirmed that, by using a hybrid US-gamma probe system, it is possible to distinguish between the two objects and acquire structural information (ultrasound) alongside molecular information (gamma radiation source).
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spelling pubmed-79138292021-02-28 Simultaneous Acquisition of Ultrasound and Gamma Signals with a Single-Channel Readout Ullah, Muhammad Nasir Park, Yuseung Kim, Gyeong Beom Kim, Chanho Park, Chansun Choi, Hojong Yeom, Jung-Yeol Sensors (Basel) Communication We propose an integrated front-end data acquisition circuit for a hybrid ultrasound (US)-gamma probe. The proposed circuit consists of three main parts: (1) a preamplifier for the gamma probe, (2) a preprocessing analog circuit for the US, and (3) a digitally controlled analog switch. By exploiting the long idle time of the US system, an analog switch can be used to acquire data of both systems using a single output channel simultaneously. On the nuclear medicine (NM) gamma probe side, energy resolutions of 18.4% and 17.5% were acquired with the standalone system and with the proposed switching circuit, respectively, when irradiated with a Co-57 radiation source. Similarly, signal-to-noise ratios of 14.89 and 13.12 dB were achieved when US echo signals were acquired with the standalone system and with the proposed switching circuit, respectively. Lastly, a combined US-gamma probe was used to scan a glass target and a sealed radiation source placed in a water tank. The results confirmed that, by using a hybrid US-gamma probe system, it is possible to distinguish between the two objects and acquire structural information (ultrasound) alongside molecular information (gamma radiation source). MDPI 2021-02-04 /pmc/articles/PMC7913829/ /pubmed/33557045 http://dx.doi.org/10.3390/s21041048 Text en © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Communication
Ullah, Muhammad Nasir
Park, Yuseung
Kim, Gyeong Beom
Kim, Chanho
Park, Chansun
Choi, Hojong
Yeom, Jung-Yeol
Simultaneous Acquisition of Ultrasound and Gamma Signals with a Single-Channel Readout
title Simultaneous Acquisition of Ultrasound and Gamma Signals with a Single-Channel Readout
title_full Simultaneous Acquisition of Ultrasound and Gamma Signals with a Single-Channel Readout
title_fullStr Simultaneous Acquisition of Ultrasound and Gamma Signals with a Single-Channel Readout
title_full_unstemmed Simultaneous Acquisition of Ultrasound and Gamma Signals with a Single-Channel Readout
title_short Simultaneous Acquisition of Ultrasound and Gamma Signals with a Single-Channel Readout
title_sort simultaneous acquisition of ultrasound and gamma signals with a single-channel readout
topic Communication
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7913829/
https://www.ncbi.nlm.nih.gov/pubmed/33557045
http://dx.doi.org/10.3390/s21041048
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