PMID: 10928904Aug 6, 2000Paper

A syringe adapter to facilitate aspiration at amniocentesis

Obstetrics and Gynecology
J N RobinsonE R Norwitz

Abstract

Syringes were developed for injection, not aspiration. We describe an adapter that attaches to a standard syringe and aspirates by advancement rather than withdrawal. The adapter consists of a syringe barrel extension and an attachable finger grip. The adapter attached to a standard syringe allows aspiration by advancement rather than withdrawal, with the same hand motion used as with injection. In a comparison of timed in vitro fluid aspiration by 10 practitioners, mean times for aspiration of 15 mL were 32.4 seconds (range 24-45) with standard technique and 25.3 seconds (range 24-30) with the adapted syringe (P < .003, paired t test). Thirteen of 14 physicians who used the adapted syringe in vivo reported that much less effort was required, and one physician reported that a little less effort was required. Overall, eight practitioners reported that the adapted syringe made amniocentesis much easier and six found no difference between the two devices. This adapter converts a standard syringe to one permitting aspiration by advancement rather than withdrawal. Practitioner feedback was positive with regard to ease of use, degree of effort, and overall satisfaction.

References

Jan 1, 1979·British Journal of Obstetrics and Gynaecology·A J Crandon, K R Peel
Aug 1, 1992·British Journal of Plastic Surgery·A SinghG P Singh
Dec 19, 1972·British Dental Journal·A Cowan
May 18, 1982·British Dental Journal·C M Hill

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Citations

Aug 12, 2009·American Journal of Obstetrics and Gynecology·Pavel Calda, Miroslav Brestak
Sep 16, 2016·PLoS Pathogens·Waithaka MwangiMichael F Criscitiello
Jul 10, 2014·F1000Research·Yasir SepahAamir Javed Khan

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