Aerin Medical Inc., which has developed new medical technology for treating common nasal airway conditions, has raised $48 million and named a new chief executive who recently helped lead another medical-device startup to success.

Sunnyvale, Calif.-based Aerin has developed treatments that are cleared by the Food and Drug Administration for treating nasal airway obstruction and chronic rhinitis, an inflammation of the nose’s inner lining that can lead to symptoms such as a runny or stuffy nose.

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