Portable instrument for in-vivo infrared oxymetry using spread-spectrum modulation

Stefano Trevisan; Matteo Bavera; Mario Ettore Giardini

doi:10.1088/1748-0221/2/04/P04005

Portable instrument for in-vivo infrared oxymetry using spread-spectrum modulation

Stefano Trevisan, Matteo Bavera, Mario Ettore Giardini

Biomedical Engineering

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

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Abstract

Near Infrared Spectroscopy (NIRS) can be employed to monitor noninvasively and continuously local changes in hemodynamics and oxygenation of human tissues. A portable NIRS research-grade acquisition system, dedicated to measurements during muscular exercise, is presented. The instrument is able to control up to eight LED sources and two detectors. A digital correlation technique, implemented on a single-chip RISC microcontroller, performs source-to-detector multiplexing. Such algorithm is highly optimized for computational efficiency and ambient noise rejection. Software-configurable input stages allow for flexibility in instrument setup. As a result of the specific correlation technique employed, the instrument is compact, lightweight and efficient. Clinical tests on oxygen consumption show excellent performance.

Original language	English
Article number	P04005
Number of pages	10
Journal	Journal of Instrumentation
Volume	2
DOIs	https://doi.org/10.1088/1748-0221/2/04/P04005
Publication status	Published - Apr 2007

Keywords

front-end electronics for detector readout
photon detectors for UV
optical detector readout concepts
digital signal processing (DSP)
solid-photocathodes
gas-photocathodes
visible and IR photons

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The final publication is available at http://iopscience.iop.org/1748-0221/2/04/P04005/ DOI 10.1088/1748-0221/2/04/P04005
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title = "Portable instrument for in-vivo infrared oxymetry using spread-spectrum modulation",

abstract = "Near Infrared Spectroscopy (NIRS) can be employed to monitor noninvasively and continuously local changes in hemodynamics and oxygenation of human tissues. A portable NIRS research-grade acquisition system, dedicated to measurements during muscular exercise, is presented. The instrument is able to control up to eight LED sources and two detectors. A digital correlation technique, implemented on a single-chip RISC microcontroller, performs source-to-detector multiplexing. Such algorithm is highly optimized for computational efficiency and ambient noise rejection. Software-configurable input stages allow for flexibility in instrument setup. As a result of the specific correlation technique employed, the instrument is compact, lightweight and efficient. Clinical tests on oxygen consumption show excellent performance.",

keywords = "front-end electronics for detector readout, photon detectors for UV, optical detector readout concepts, digital signal processing (DSP), solid-photocathodes, gas-photocathodes, visible and IR photons",

author = "Stefano Trevisan and Matteo Bavera and Giardini, {Mario Ettore}",

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language = "English",

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AU - Bavera, Matteo

AU - Giardini, Mario Ettore

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N2 - Near Infrared Spectroscopy (NIRS) can be employed to monitor noninvasively and continuously local changes in hemodynamics and oxygenation of human tissues. A portable NIRS research-grade acquisition system, dedicated to measurements during muscular exercise, is presented. The instrument is able to control up to eight LED sources and two detectors. A digital correlation technique, implemented on a single-chip RISC microcontroller, performs source-to-detector multiplexing. Such algorithm is highly optimized for computational efficiency and ambient noise rejection. Software-configurable input stages allow for flexibility in instrument setup. As a result of the specific correlation technique employed, the instrument is compact, lightweight and efficient. Clinical tests on oxygen consumption show excellent performance.

AB - Near Infrared Spectroscopy (NIRS) can be employed to monitor noninvasively and continuously local changes in hemodynamics and oxygenation of human tissues. A portable NIRS research-grade acquisition system, dedicated to measurements during muscular exercise, is presented. The instrument is able to control up to eight LED sources and two detectors. A digital correlation technique, implemented on a single-chip RISC microcontroller, performs source-to-detector multiplexing. Such algorithm is highly optimized for computational efficiency and ambient noise rejection. Software-configurable input stages allow for flexibility in instrument setup. As a result of the specific correlation technique employed, the instrument is compact, lightweight and efficient. Clinical tests on oxygen consumption show excellent performance.

KW - front-end electronics for detector readout

KW - photon detectors for UV

KW - optical detector readout concepts

KW - digital signal processing (DSP)

KW - solid-photocathodes

KW - gas-photocathodes

KW - visible and IR photons

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DO - 10.1088/1748-0221/2/04/P04005

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VL - 2

JO - Journal of Instrumentation

JF - Journal of Instrumentation

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ER -

Portable instrument for in-vivo infrared oxymetry using spread-spectrum modulation

Abstract

Keywords

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