Impact of different manufacturers and gauge sizes on the performance of backflush needle

Abstract The present study aimed to identify the factors regulating aspiration rate (AR) of backflush needles and to compare those factors across various backflush needles from different manufacturers. The 27-gauge (27G), 25-gauge, and 23-gauge backflush needles from four different manufacturers, Al...

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Autores principales:	Hisanori Imai, Akira Tetsumoto, Hiroko Yamada, Makoto Nakamura
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/b327ed4875cc4684aade750c9be2541f
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spelling	oai:doaj.org-article:b327ed4875cc4684aade750c9be2541f2021-12-02T15:11:49ZImpact of different manufacturers and gauge sizes on the performance of backflush needle10.1038/s41598-020-78668-62045-2322https://doaj.org/article/b327ed4875cc4684aade750c9be2541f2020-12-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-78668-6https://doaj.org/toc/2045-2322Abstract The present study aimed to identify the factors regulating aspiration rate (AR) of backflush needles and to compare those factors across various backflush needles from different manufacturers. The 27-gauge (27G), 25-gauge, and 23-gauge backflush needles from four different manufacturers, Alcon, MedOne, VitreQ, and DORC, were used for this experiment. AR was measured at four different aspiration vacuum levels: 100, 200, 400, and 650 mmHg. AR was significantly increased as the aspiration vacuum level increased when both aspirating balanced salt solution (BSS) and ethylene glycol; however, 27G products from VitreQ and MedOne were unable to aspirate ethylene glycol at the low aspiration vacuum level of 100 mmHg. When aspirating BSS at the high aspiration vacuum level of 650 mmHg, a smaller gauge number generally resulted in a significantly higher AR. AR, inner diameter, and cross-sectional area in Alcon products were significantly larger in any gauge, and the shaft length of Alcon products was significantly shorter than those of other manufacturers’ products in any gauge. Cross-sectional area negatively correlated with the degree of shaft deflection (r 2 = 0.21, p = 0.042). These results imply that AR differs significantly among backflush needles and among companies depending on the shaft cross-sectional area.Hisanori ImaiAkira TetsumotoHiroko YamadaMakoto NakamuraNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-8 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Hisanori Imai Akira Tetsumoto Hiroko Yamada Makoto Nakamura Impact of different manufacturers and gauge sizes on the performance of backflush needle
description	Abstract The present study aimed to identify the factors regulating aspiration rate (AR) of backflush needles and to compare those factors across various backflush needles from different manufacturers. The 27-gauge (27G), 25-gauge, and 23-gauge backflush needles from four different manufacturers, Alcon, MedOne, VitreQ, and DORC, were used for this experiment. AR was measured at four different aspiration vacuum levels: 100, 200, 400, and 650 mmHg. AR was significantly increased as the aspiration vacuum level increased when both aspirating balanced salt solution (BSS) and ethylene glycol; however, 27G products from VitreQ and MedOne were unable to aspirate ethylene glycol at the low aspiration vacuum level of 100 mmHg. When aspirating BSS at the high aspiration vacuum level of 650 mmHg, a smaller gauge number generally resulted in a significantly higher AR. AR, inner diameter, and cross-sectional area in Alcon products were significantly larger in any gauge, and the shaft length of Alcon products was significantly shorter than those of other manufacturers’ products in any gauge. Cross-sectional area negatively correlated with the degree of shaft deflection (r 2 = 0.21, p = 0.042). These results imply that AR differs significantly among backflush needles and among companies depending on the shaft cross-sectional area.
format	article
author	Hisanori Imai Akira Tetsumoto Hiroko Yamada Makoto Nakamura
author_facet	Hisanori Imai Akira Tetsumoto Hiroko Yamada Makoto Nakamura
author_sort	Hisanori Imai
title	Impact of different manufacturers and gauge sizes on the performance of backflush needle
title_short	Impact of different manufacturers and gauge sizes on the performance of backflush needle
title_full	Impact of different manufacturers and gauge sizes on the performance of backflush needle
title_fullStr	Impact of different manufacturers and gauge sizes on the performance of backflush needle
title_full_unstemmed	Impact of different manufacturers and gauge sizes on the performance of backflush needle
title_sort	impact of different manufacturers and gauge sizes on the performance of backflush needle
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/b327ed4875cc4684aade750c9be2541f
work_keys_str_mv	AT hisanoriimai impactofdifferentmanufacturersandgaugesizesontheperformanceofbackflushneedle AT akiratetsumoto impactofdifferentmanufacturersandgaugesizesontheperformanceofbackflushneedle AT hirokoyamada impactofdifferentmanufacturersandgaugesizesontheperformanceofbackflushneedle AT makotonakamura impactofdifferentmanufacturersandgaugesizesontheperformanceofbackflushneedle
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Impact of different manufacturers and gauge sizes on the performance of backflush needle

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