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Updated: Apr 13, 2026

Establishment and Evaluation of a Porcine Vein Graft Disease Model
Published on: July 25, 2022
Sharma's clamp for sequential coronary artery grafting
Ashok Kumar Sharma1, Mohammad Salman Siddiqi2, Hilal Al Sabti2
1Cardiothoracic Surgery Division, Sultan Qaboos University Hospital, Muscat, Oman drashoksharma1@gmail.com.
Insights
A new clamp simplifies sequential coronary artery bypass grafting by stabilizing grafts. This device reduces surgeon distraction and improves suture placement, potentially enhancing graft patency.
Area of Science:
- Cardiovascular Surgery
- Surgical Devices
- Medical Engineering
Background:
- Sequential coronary artery grafting is a standard surgical procedure.
- Challenges include maintaining graft alignment and precise suture placement in confined spaces.
- Graft slippage can increase operating time and compromise outcomes.
Purpose of the Study:
- To introduce a novel device for graft stabilization during sequential bypass grafting.
- To address the difficulties associated with graft handling in coronary artery bypass surgery.
Main Methods:
- A simple clamp, Sharma's clamp, was developed for graft holding.
- The clamp is designed for use in sequential bypass grafting procedures.
Main Results:
- The device facilitates correct graft alignment and orientation.
- It aids in accurate suture placement on the graft.
- Potential to reduce graft slippage and surgeon distraction.
Conclusions:
- Sharma's clamp offers a practical solution for graft stabilization in coronary artery bypass surgery.
- The device may improve surgical efficiency and anastomotic quality.
Abstract:
Sequential coronary artery grafting is a common procedure. Holding the graft in the correct alignment and orientation in a limited pericardial space and taking a suture at the correct place on the graft is difficult. Graft slippage from the assistant can be distracting to the surgeon, unnecessarily increasing the anastomosis time and also affecting graft patency due to improperly placed sutures. We describe a simple device (Sharma's clamp) for graft holding and stabilization for sequential bypass grafting in coronary artery bypass surgery.
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