Edwards Lifesciences Corp. is selling its critical care product group to Becton Dickison and Co. (BD) for $4.2 billion in cash, forgoing its previously announced plans to spin off the unit into a separate business. The transaction is expected to close before the end of the calendar year.

A pair of co-published filings from Naples, Fla.-based Aerwave Medical Inc. describe apparatus and ultrasound-based methods for bronchial denervation, ablating smooth muscle or goblet cells, and emphysematous tissue remodeling in the treatment of respiratory conditions such as asthma and chronic obstructive pulmonary disease.

Researchers from the University of Pittsburgh have developed a device designed to collect exhaled respiratory aerosols from mechanically ventilated patients. Their device is designed to be non-invasive, highly efficient and can be readily placed in the exhalation line of ventilators without interfering in the functions of the ventilator.

Less than a week ago, executives at Lyra Therapeutics Inc. were looking ahead to “imminent” data from its first phase III study in chronic rhinosinusitis (CRS), testing drug-device candidate LYR-210, a drug-device candidate largely expected to fill a much-needed gap in CRS treatment. On Monday, May 6, they were announcing plans to preserve cash in the wake of the failed Enlighten 1 study, which raised doubts as to the feasibility of the company’s CRS programs, which also include the similarly designed candidate LYR-220.

Royal Philips NV has come to terms over class-action litigation in which plaintiffs alleged that particulate matter in continuous positive airway pressure (CPAP) machines has proven harmful to their health, bringing the matter to a $1.1 billion conclusion. Despite the 10-figure sum, news of the April 29 settlement sent the company’s share prices up by roughly a third in early morning trading, suggesting that investors had already baked their expectations of the settlement into their thinking about the company’s future.

In what represents just the third PCT filing to have been published in the name of Zurich, Switzerland-based Siva Health AG, protection is sought for a computer-implemented method of classifying an individual suffering from chronic cough.

South Korean med-tech companies Nunaps Co. Ltd. and Share & Service are the latest to clear domestic approvals for digital therapeutics as the government ramps up R&D funding for artificial intelligence-based medical technologies.

SARS-CoV-2 could proliferate in the lungs causing severe COVID-19 through a special type of immune cell. A group of scientists from Stanford University observed how this coronavirus infected interstitial macrophages through a CD209 receptor, triggering the inflammatory response observed in hospitalized patients.

Australia’s Speedx Pty Ltd. is launching a new rapid polymerase chain reaction (qPCR) test for 14 different respiratory viruses in a single test that works on almost every commercial PCR platform in half the time and at a fraction of the cost of what its competitors charge.