Improved retractable syringe needle comprising a needle body aperture

A retractable needle 400 for a syringe comprises a barrel 110 and a plunger 200 comprising a portion capable of engaging the retractable needle 400 for retraction of the retractable needle 400, the retractable needle 400 comprising a cannula 410, a needle body 420 having a plunger-engaging member 42...

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Bibliographic Details
Main Authors WALLIS HUW UMBERTO, THORLEY CRAIG STEPHEN, LAW KAMMAN, SOKOLOV RICHARD, KAAL JOSEPH HERMES, HUESO-MONIS ERNESTO, RAFFERTY CHRISTOPHER
Format Patent
LanguageEnglish
Published 30.10.2015
Subjects
DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
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Summary:A retractable needle 400 for a syringe comprises a barrel 110 and a plunger 200 comprising a portion capable of engaging the retractable needle 400 for retraction of the retractable needle 400, the retractable needle 400 comprising a cannula 410, a needle body 420 having a plunger-engaging member 423, at least one aperture and an elongate portion 421 which houses at least part of the cannula 410. The cannula 410 comprises an end which does not extend into the plunger engaging member and is in fluid communication with the aperture. The aperture is located between the plunger-engaging member 423 and the elongate portion 421. The cannula extends into a space defined by the aperture.
Bibliography:Application Number: NZ20120624467