SANTA CLARA, Calif., Jan. 07, 2019 (GLOBE NEWSWIRE) — SI-BONE, Inc. (Nasdaq: SIBN), a medical device company that pioneered the minimally invasive surgical treatment of the sacroiliac joint with the iFuse Implant System, today announced preliminary unaudited revenue for the fourth quarter and full year 2018. Preliminary and unaudited revenue for fourth quarter 2018 is …