Making surgery safer


SST engineered the OR Black Box platform to radically improve intraoperative safety, quality, and culture through deep analysis of intraoperative decisions and performance.

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What it does



Improves perioperative culture.

Perioperative culture impacts staff satisfaction, patient safety, and health system quality. The OR Black Box facilitates culture change through analysis of individual and team dynamics in the OR setting.


Quality & Safety

Improves surgical quality and patient safety.

Surgical quality and patient safety are influenced by a myriad of intraoperative factors, including technique, team dynamic, and the system more broadly. The OR Black Box integrates and interprets these metrics to provide unparalleled visibility into intraoperative quality and safety.


Actionable Data

Leverages data in service of improvement.

Measurement is necessary for improvement. The OR Black Box integrates disparate data sources from the OR to provide actionable improvement lessons.





SST works closely with The International Centre for Surgical Safety (ICSS) - a research based entity at St. Michael’s Hospital in Toronto, Canada, specializing in surgical safety. Recent OR Black Box publications authored by ICSS researchers include:


In the press




Who we are

Dr. Teodor Grantcharov

Dr. Teodor Grantcharov


Founded by general surgeon Dr. Teodor Grantcharov, and rooted in over 15 years of academic research in the field of surgical safety, the OR Black Box has been designed to help collect and analyze intraoperative information to facilitate continuous quality improvement and accelerate research opportunities.

The OR Black Box was first implemented at St. Michael’s Hospital in Toronto and has since expanded to leading academic centers across Canada, USA, and Western Europe.






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20 Queen St. W., Toronto, ON, M5H 3R3