San Diego-based N Spine has raised a series B for its medical devices, the firm said Monday. The company said that the round was led by a firm in the spinal implant industry, but did not name the investor. N Spine develops a titanium pedicle screw system used for stablizing the lumbar spine. The firm's products are targeted as an adjunct to artificial disc replacement. N Spine is backed by the Tech Coast Angels and Life Science Angels. More information »