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Evaluation of a Novel Laser-assisted Coronary Anastomotic Connector - the Trinity Clip - in a Porcine Off-pump Bypass Model

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Fixation and protective method for the interposition graft in bonnet bypass--technical note.

Shingo Toyota¹, Kohsuke Iwaisako, Akatsuki Wakayama

¹Department of Neurosurgery, Osaka Neurological Institute, Toyonaka, Osaka, Japan.

Neurologia Medico-Chirurgica

|March 27, 2010

Summary

This study introduces a novel technique for securing interposition grafts in bonnet bypass surgery. The method uses a bone groove and protective covering to prevent graft displacement and injury, enhancing surgical stability.

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Published on: November 11, 2012

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Last Updated: Jun 14, 2026

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Training a Sophisticated Microsurgical Technique: Interposition of External Jugular Vein Graft in the Common Carotid Artery in Rats

Published on: November 11, 2012

Area of Science:

Neurosurgery
Vascular Surgery
Surgical Techniques

Background:

Bonnet bypass is a rare revascularization procedure for specific patient groups.
Secure fixation and protection of interposition grafts are critical for surgical success and preventing complications.
Existing methods may have limitations in graft stability and protection.

Purpose of the Study:

To describe a new technique for the fixation and protection of interposition grafts used in bonnet bypass.
To enhance the stability of the anastomosis and prevent mechanical injury to the graft post-operatively.

Main Methods:

A novel technique involving passing the interposition graft through a created bone groove in the skull.
Covering the graft with microplates, temporal fascia, and muscle for fixation and protection.

Main Results:

The described method effectively prevents the interposition graft from slipping during anastomosis.
The technique provides robust protection against mechanical injury to the graft after surgery.

Conclusions:

This new technique offers improved fixation and protection for interposition grafts in bonnet bypass.
It addresses the critical need for stable and durable graft placement in this specialized procedure.