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Design and construction of a magnetic resonance compatible multi-injector gas jet delivery system


Megias-Alguacil, D; Keller, T; Lutz, K; Barlow, A P; Ettlin, D A (2008). Design and construction of a magnetic resonance compatible multi-injector gas jet delivery system. Review of Scientific Instruments, 79(1):014301.

Abstract

We present the design, construction, and performance of a novel multi-injector gas jet delivery capable of operating in a magnetic resonance imaging environment. This apparatus is computer controlled and built with two separate pneumatic circuits enabling gas jet applications at variable sites through four independently activated injectors. Gas jet delivery is fully controllable in terms of pressure, flow rate, gas temperature, application time, and duration of interstimulus interval. We characterized these parameters, considering effects such as pressure drop by flow transport, transient effects, and delays in activation. The system offers new possibilities for use in various biomedical contexts such as, e.g., quantitative sensory testing or dental hypersensitivity assessment.

We present the design, construction, and performance of a novel multi-injector gas jet delivery capable of operating in a magnetic resonance imaging environment. This apparatus is computer controlled and built with two separate pneumatic circuits enabling gas jet applications at variable sites through four independently activated injectors. Gas jet delivery is fully controllable in terms of pressure, flow rate, gas temperature, application time, and duration of interstimulus interval. We characterized these parameters, considering effects such as pressure drop by flow transport, transient effects, and delays in activation. The system offers new possibilities for use in various biomedical contexts such as, e.g., quantitative sensory testing or dental hypersensitivity assessment.

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5 citations in Web of Science®
5 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Center for Dental Medicine > Clinic for Masticatory Disorders and Complete Dentures, Geriatric and Special Care Dentistry
06 Faculty of Arts > Institute of Psychology
Dewey Decimal Classification:150 Psychology
610 Medicine & health
Language:English
Date:2008
Deposited On:13 Nov 2008 14:27
Last Modified:02 Jun 2016 07:43
Publisher:American Institute of Physics
ISSN:0034-6748
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:10.1063/1.2823329
PubMed ID:18248053
Permanent URL: http://doi.org/10.5167/uzh-5003

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