MINNEAPOLIS--(BUSINESS WIRE)--Lake Region Medical (LRM), celebrating its 50th year in the cardiac rhythm management market, will spend an all-time high investment—nearly 10% of its annual sales— in research and development. To demonstrate this increased commitment to research and development partnerships with MedTech companies, LRM made its first appearance at the annual Heart Rhythm Society meeting, Heart Rhythm 2011 in May 2011 in San Francisco.