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Related Experiment Videos

Robotically assisted microsurgery for endoscopic coronary artery bypass grafting

E R Stephenson1, S Sankholkar, C T Ducko

  • 1Department of Surgery, The Milton S. Hershey Medical Center, Penn State Geisinger Health System, Hershey 17033, USA.

The Annals of Thoracic Surgery
|October 13, 1998
PubMed
Summary

Robotic microsurgery enables precise endoscopic coronary artery bypass surgery. This technology successfully created 25 coronary anastomoses in porcine hearts, paving the way for minimally invasive bypass procedures.

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Area of Science:

  • Cardiovascular Surgery
  • Robotic Surgery
  • Minimally Invasive Surgery

Background:

  • Minimally invasive cardiac surgery faces limitations in precision with standard endoscopic instruments.
  • Robotic systems offer a potential solution to overcome these limitations.

Purpose of the Study:

  • To evaluate the feasibility of using a microsurgical robotic system for endoscopic coronary artery anastomoses.
  • To assess the precision and effectiveness of robotic instrumentation in complex cardiac procedures.

Main Methods:

  • Twenty-five coronary anastomoses were performed on isolated porcine hearts using a robotic microsurgical system.
  • Modified endoscopic instruments with tremor elimination and motion scaling were utilized for precise maneuvering.
  • Continuous 7-0 Prolene sutures were employed for anastomosis, with intracorporeal tying.

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Main Results:

  • All 25 coronary anastomoses were successfully completed with good probe patency.
  • The average time for anastomosis completion was 31.7 minutes.
  • Robotic system features, including tremor elimination and motion scaling, facilitated precise endoscopic microvascular anastomosis.

Conclusions:

  • Coronary artery anastomoses are technically feasible using robotic instrumentation.
  • Robotic technology holds promise for advancing truly endoscopic approaches to coronary artery bypass surgery.