Volcano (San Diego) has agreed to pay about $21.5 million in cash to acquire Axsun Technologies (Boston), a private company that makes lasers and optical engines used in optical coherence tomography (OCT) imaging systems and advanced photonic components and subsystems used in other industrial applications. (Medical Device Daily)

When the diagnosis is prostate cancer, deciding how to treat the disease – or even whether to treat it at all – is somewhat controversial these days. The serious side effects associated with some current treatment options, combined with the knowledge that some men who are treated for the disease never would have developed symptoms in their lifetime anyway, have a lot of doctors recommending the "wait and see" approach. (Diagnostics & Imaging Week)

‘Tis the season to make big deals, at least that seems to be the case for St. Jude Medical (St. Paul, Minnesota). The company reported two acquisitions back to back this week – Radi Medical Systems for $250 million cash and MediGuide (Haifa, Israel) for $283 million in cash plus $17 million net liabilities. The deals were reported Sunday and Monday, respectively. (Medical Device Daily)