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Updated: May 12, 2026

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The C-seal: A Biofragmentable Drain Protecting the Stapled Colorectal Anastomosis from Leakage
Published on: November 4, 2010
Introducing the circular stapling device atraumatically with the use of a second anvil.
1Department of Colorectal Surgery, Cleveland Clinic Florida, Fort Lauderdale, FL, USA.
Summary
A novel technique using a second anvil with circular stapling devices reduces anal canal injury during surgery. This method ensures smooth device introduction and facilitates standard anastomosis construction.
Area of Science:
- Surgical innovation
- Gastrointestinal surgery
Background:
- Circular stapling devices are crucial in gastrointestinal anastomosis.
- Potential for anal canal injury exists with current purse-string techniques.
Purpose of the Study:
- To describe a modified technique for circular stapler insertion.
- To reduce the risk of anal canal injury during anastomosis.
Main Methods:
- A second anvil is inserted into the blunt end of the circular stapling device.
- Open placement of the distal purse-string is employed.
- The anvil is removed after insertion for standard anastomosis.
Main Results:
- The modified technique lessens the risk of injury to the anal canal.
- Smooth introduction of the stapling device is achieved.
- Anastomosis is constructed effectively in the usual manner.
Conclusions:
- This technique offers a safer approach to circular stapler use.
- It minimizes operative trauma to the anal canal.
- It is a simple modification for improved surgical outcomes.
