Medtronic (NYSE:MDT) (Dublin) could penetrate a new market with its planned acquisition of RF Surgical Systems (Carlsbad Calif.), a private company that is focused on the detection and prevention of retained surgical items and reducing "never events" in hospital settings.

Just because it looks like a duck and quacks like a duck, doesn't always mean it's a duck. Take Proteus Digital Health (Redwood City, Calif.) for example. While the company has developed and received 510(k) clearances for a device that can aid in the measurement of medication adherence, the privately owned firm said that it doesn't necessarily consider itself to be a med-tech firm.

Coming off a 5.07% bump in its shares last week, intravascular robotics specialist Hansen Medical (NASDAQ: HNSN) (Mountain View, Calif.) said it has completed enrollment in the initial evaluable cohort of its ARTISAN clinical trial.