Boston Scientific makes medical supplies and devices used to diagnose and treat conditions in a variety of medical fields, with an emphasis on cardiovascular products and cardiac rhythm management (CRM). It also makes devices used for electrophysiology, endoscopy, pain management (neuromodulation), urology, and women's health. Its 13,000 products -- made in about a dozen factories worldwide -- include biopsy forceps, catheters, coronary and urethral stents, defibrillators, needles, and pacemakers. Boston Scientific markets its products in more than 115 countries.