A convenient and inexpensive method for chronically implanting multiple intracranial cannulae

Area of Science:

• Veterinary Surgery
• Surgical Techniques
• Animal Research Models

Background:

• Chronic implantation of multiple cannulae is essential for long-term physiological studies in small animals.
• Existing methods can be complex, expensive, and time-consuming, posing challenges for researchers.
• Standardized and accessible surgical techniques are needed to advance preclinical research.

Purpose of the Study:

• To describe a novel, cost-effective, and straightforward method for the chronic implantation of multiple cannulae in small animal models.
• To provide a reproducible technique that minimizes the need for specialized equipment and reduces assembly time.
• To facilitate the use of multi-cannula implants in diverse research settings.

Main Methods:

• A custom die was fabricated using dental acrylic cement for precise cannulae retention.
• The die was utilized repeatedly to guide the insertion of multiple cannulae during surgical procedures.
• The technique was designed for ease of use, requiring no specialized workshop tools.

Main Results:

• The described method enables the chronic implantation of multiple cannulae efficiently and affordably.
• Assembly and implantation procedures were significantly expedited compared to conventional approaches.
• The technique proved reliable and required minimal specialized equipment, enhancing accessibility.

Conclusions:

• This method offers a simple, inexpensive, and rapid solution for chronic multi-cannula implantation in small animals.
• The reusable acrylic die simplifies the surgical process, making it suitable for widespread adoption in research laboratories.
• This technique can enhance the feasibility of complex long-term studies involving small animal models.