St. Jude Medical St. Jude Medical Inc. St. Jude designs and manufactures valve, electrophysiology and some intravascular products. This site is an excellent source of information. Detailed procedure instructions for physicians. Product information at different levels of detail for patients and physicians. Detailed medical information for patients.
Some pages have a lot of text.
WorldHeart WorldHeart Corporation Site includes some information on the company's ventricular assist device which will be fully implantable in the chest for long-term use. Excellent labeled images and animations. Provides limited product content.