Accel-KKR has made a majority equity investment in Surgical Information Systems (SIS), according to a news release.

SIS, based in Alpharetta, Ga., provides business office management, clinical documentation and patient communications tools for ambulatory surgery centers and anesthesia information management systems and perioperative solutions to hospitals and outpatient surgery departments.

Accel-KKR, based in Menlo Park, Calif., is a technology-focused private equity firm. Founded in 2000, the firm focuses on middle market companies and provides a broad range of capital solutions, including buyout capital, minority-growth investments and credit alternatives.

Terms of the investment were not disclosed.

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