Angiotech Pharmaceuticals, IncAngiotech Pharmaceuticals, Inc. has launched the Tan EndoGlide(TM) Endothelium Insertion System in the United States. Angiotech holds exclusive U.S. distribution rights to market and distribute the Tan EndoGlide Endothelium Insertion System. The Tan EndoGlide is a device used to facilitate insertion of a donor endothelium during Endothelial Keratoplasty. The device is used by Ophthalmologists adapting to newer techniques to replace diseased corneal endothelium.