Tissue or mechanic? It's the age-old question that patients have been faced with when it comes down to choosing the best heart valve. Tissue heart valves have always received the short end of the stick in the debate, often criticized for not being durable or strong enough to facilitate long term use. (Medical Device Daily)

Thermo Fisher Scientific (Waltham, Massachusetts) reported that it has signed definitive agreements to sell Athena Diagnostics (Worcester, Massachusetts) to Quest Diagnostics (Madison, New Jersey) for $740 million. (Medical Device Daily)