A retractable winged I.V. set has a slidable retraction body mounted in a hollow chamber of a housing. The retraction body has a hollow needle fixed in its front end and a tube connector for passing fluid from an external reservoir through the needle. The housing has a pivoting releasable latch preferably...http://www.google.co.uk/patents/US6210371?utm_source=gb-gplus-sharePatent US6210371 - Winged I.V. set
