Irvine-based SEDLine said today that it has acquired Hospira's brain function monitoring business, and scored an equity investment from Masimo. Financial details of the acquisition were not disclosed by the firm. According to SEDline, the firm was formed to advanced neuromonitoring technologies, used for monitoring patients under anesthesia or sedation. The new firm is headed by David E. Goodman, and the company said that Hospira's original Brain Function Monitoring team has joined the firm as part of the deal. Separately, Masimo said it was investing $3.5M in SEDline as part of a strategic investment.