Food and Drug Administration sent warning letter to Medtronic about problems with procedures at the Minnesota headquarters of its heart implants division.

Implant maker said it acquired privately held software technology company OtisMed Corp., and will also buy Japan’s Mutoh Co. Ltd. and Synergetics USA Inc.’s assets.

Life sciences and medical research tools company buying BioTrove Inc., which makes gene sequencing and analysis equipment, for an undisclosed amount.

Maker of products to detect breast and cervical cancer posted $34.9 million profit in fourth quarter, and named President and COO Robert Cascella as CEO.

Swiss hearing aid firm said Monday it is buying cochlear implant maker Advanced Bionics Corp., based in California, for $489 million in cash.

Medical device developer downsizing its workforce to cut operating costs by 43 percent, and exploring possible sale of some or all of its assets.

General Electric unveiled a handheld ultrasound machine Tuesday called the Vscan, saying it could become the ‘stethoscope of the 21st century.’

J&J awaiting possible approval of several products, including Pinnacle Complete hip implant system, Xarelto, a pill to prevent blood clots, and the antibiotic ceftobiprole.

Maker of Huggies diapers and Kleenex tissues said it will add higher-margin medical devices to its health care unit by purchasing I-Flow in a cash deal valued at $276 million.

Huiheng Medical Inc. plans to build a plant in Baton Rouge that would employ up to 300 people to manufacture a radiation treatment device.