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Handmade models for aneurysm surgery: A useful tool for training.

Vikrant Sharma1, Mayank Garg1, Suryanarayanan Bhaskar1

  • 1Department of Neurosurgery, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India.

Surgical Neurology International
|January 5, 2023
PubMed
Summary

Handmade 3D aneurysm models offer an affordable solution for neurosurgical training. These models improve trainee understanding of complex anatomy, aiding in surgical planning and execution.

Keywords:
AneurysmCerebrovascularEpoxy puttyHandmade modelsVolume rendering technique

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Area of Science:

  • Neurosurgery
  • Medical Education
  • Anatomical Modeling

Background:

  • Aneurysm surgery presents significant challenges for neurosurgical trainees due to complex 3D spatial orientation difficulties.
  • Virtual 3D imaging and 3D-printed models are beneficial but often inaccessible due to resource limitations.

Purpose of the Study:

  • To evaluate the utility of handmade three-dimensional (3D) models for training neurosurgical trainees in aneurysm surgery.
  • To provide an accessible and cost-effective method for improving anatomical understanding and surgical planning.

Main Methods:

  • Handmade 3D models of cerebral aneurysms were created using readily available materials like galvanized iron wire and epoxy putty.
  • RadiAnt DICOM viewer software was used for 3D Volume Rendering Technique image acquisition to guide model creation.
  • Models were oriented to the patient's head position and utilized in the operating room before and during surgery.

Main Results:

  • Handmade models effectively improved surgeons' and trainees' understanding of aneurysm complex orientation relative to surrounding structures, including the skull base.
  • These models facilitated preoperative planning and intraoperative orientation, even prior to complete dissection.

Conclusions:

  • Handmade 3D aneurysm models are an inexpensive and valuable tool for neurosurgical education.
  • These models assist trainee neurosurgeons in planning and executing complex aneurysm surgeries more effectively.