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Allergy to natural rubber latex was first documented in the late 1970s. The condition now commonly known as “Latex allergy” is caused by the proteins produced from the rubber tree (Hevea brasiliensis) that are still present in the products manufactured from natural rubber latex. This allergy is not only caused by the proteins, but also by the chemicals and/or residues thereof.
Even though people are aware of this allergy, many do not realize that there is a difference between the various terms “latex,” “natural rubber,” “natural rubber latex” and “dry natural rubber” and often use them interchangeably and incorrectly. This article may help medical device/drug manufacturers, medical staffs and end-users to gain some clarity on the terms, as well as West’s “natural rubber” labelling per labelling guidance by the U.S. Food and Drug Administration (FDA).
At West, natural rubber latex is not used in the manufacture of our products. On the other hand, dry natural rubber is used in some West’s formulations. West certifies the absence or presence of dry natural rubber in West rubber formulations per the FDA’s guidance, by using the terminology: This Product Contains Dry Natural Rubber.
Please contact West’s Technical Customer Support for more info about the formulation/product range available in West with/without dry natural rubber.
Take an in-depth look at the science behind containment & delivery of injectable medicines in the West Knowledge Center.