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Luer makes a very wide range of products.
some of them (such as luer-locks) can be found already translated into spanish in the "Search Kudoz " "Search Glossaries" and Kudos Glossaries" sections of Proz
Another easy option is to visit "luers.com" and choose the article you wish to translate. then you can return and ask for the precise article or get onto "google" used the "advanced search" type in the product name and specify "pages only in spanish". that should give you enough results to decide on the correct name