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Ranjan Sudan

Professor of Surgery
Surgery, Minimally Invasive Surgery
407 Crutchfield Street, Durham, NC 27704
407 Crutchfield Street, Durham, NC 27704

Current Appointments & Affiliations


Professor of Surgery · 2018 - Present Surgery, Minimally Invasive Surgery, Surgery
Professor in Psychiatry and Behavioral Sciences · 2021 - Present Psychiatry & Behavioral Sciences, Adult Psychiatry & Psychology, Psychiatry & Behavioral Sciences

In the News


Published April 20, 2015
Dr. Ranjan Sudan quoted: A robot that can insert catheters, coming soon to a hospital near you

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Recent Publications


Robotic Assistance and Early Small Bowel Obstruction after Roux-en-Y Gastric Bypass: a Rare Event Analysis.

Journal Article Obes Surg · February 2026 BACKGROUND: Robotics has gained increasing adoption for roux-en-y gastric bypass, offering improved visualization and precision. However, unique anatomic configurations, such as the "Brazilian technique," may predispose to early small bowel obstruction (eS ... Full text Link to item Cite

Is There Common Ground? A Comparison of Laparoscopic Common Bile Duct Exploration by Acute Care Surgery and Minimally Invasive Surgery Fellowship Trained Surgeons.

Journal Article Am Surg · January 2026 BackgroundLaparoscopic common bile duct exploration (LCBDE) is underutilized by surgeons to treat choledocholithiasis. We hypothesized that fellowship training in acute care surgery (ACS) vs minimally invasive surgery (MIS) results in different LCBDE pract ... Full text Link to item Cite

Robotic Duodenal Switch

Chapter · January 1, 2026 As the problem of obesity evolves and grows, so too does the role of the duodenal switch. The duodenal switch is the most effective bariatric surgery currently performed for weight loss and treatment of diabetes type 2. As obesity becomes more prevalent an ... Full text Cite
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Recent Grants


OTTAVA Robotic System

Clinical TrialPrincipal Investigator · Awarded by Auris Health, Inc. · 2025 - 2026

Usability of the Senhance Surgical Robotics System

Inst. Training Prgm or CMEPrincipal Investigator · Awarded by TransEnterix, Inc · 2017 - 2020

Evaluating the Feasibility and Effectiveness of Telementoring for Teaching Laparoscopic Skills Across Continents

Inst. Training Prgm or CMEPrincipal Investigator · Awarded by Association for Surgical Education Foundation · 2014 - 2018

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Education, Training & Certifications


Armed Forces Medical College (India) · 1979 M.D.