In a move that would give Nuvasive Inc. (San Diego), access to the pediatric deformity market, the company has entered into an agreement to acquire Ellipse Technologies Inc. (Aliso Viejo, Calif.) for $380 million with a potential $30 million milestone, payable in 2017. The deal is expected to close at the end of February.

Stimrelieve LLC (Fort Lauderdale, Fla.) reported it received an IDE from the FDA to launch a clinical trial of its percutaneously implantable device for the treatment of chronic migraines when compared to more conservative therapies such as NSAIDs, migraine-specific drugs, or combination drug therapy.