Invuity has announced it has raised $20 million in equity.

Invuity, headquartered in San Francisco, is a surgical photonics company that develops devices to provide visualization of the surgical cavity. Clinical applications include breast and thyroid oncology, plastics, spine, orthopedic, cardiothoracic and general surgery.

The financing round was led by Wellington Management Co.

Invuity indicated that proceeds from the round would be used to accelerate company growth and further commercial initiatives across its product line of visualization devices.