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Related Experiment Video

Updated: Mar 27, 2026

Patient-Specific Polyvinyl Alcohol Phantom Fabrication with Ultrasound and X-Ray Contrast for Brain Tumor Surgery Planning
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Treatment Planning for Image-Guided Neuro-Vascular Interventions Using Patient-Specific 3D Printed Phantoms.

M Russ1, R O'Hara1, S V Setlur Nagesh1

  • 1Toshiba Stroke and Vascular Research Center, University of Buffalo, Buffalo, NY.

Proceedings of Spie--The International Society for Optical Engineering
|January 19, 2016
PubMed
Summary

This study presents a workflow for creating patient-specific 3D vascular phantoms. These 3D printed models enable pre-procedural practice for endovascular image-guided interventions (EIGIs), reducing risks and improving outcomes.

Keywords:
3D PrintingAdditive ManufacturingDSAImage Guided InterventionsNeuro-vascularPatient-Specific PhantomsTreatment PlanningVascular Phantoms

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Area of Science:

  • Medical Imaging
  • Biomedical Engineering
  • Interventional Radiology

Background:

  • Minimally invasive endovascular image-guided interventions (EIGIs) offer benefits but face challenges like complex anatomy and remote catheter control.
  • These challenges can lead to device selection errors, procedural delays, and complications such as vessel injury.

Purpose of the Study:

  • To investigate an optimal workflow for creating patient-specific 3D vascular phantoms from medical imaging data.
  • To enable interventionists to practice complex endovascular procedures on realistic phantoms before actual patient treatment.

Main Methods:

  • Computed Tomographic Angiography (CTA) data was used for segmentation and export of stereolithographic files.
  • Processing software integrated vessel structures to create closed-flow, supported vasculature, followed by 3D printing.
  • Phantoms were connected to a flow loop and tested in an angiographic setting for various interventions.

Main Results:

  • Successfully created patient-specific and diverse challenging vascular geometry phantoms.
  • Demonstrated utility of phantoms for practicing ischemic stroke treatment, catheter navigation, aneurysm stenting, and cardiac imaging.
  • Validated the use of 3D printed vascular phantoms for pre-procedural planning and training.

Conclusions:

  • The developed workflow provides a viable method for generating 3D vascular phantoms for EIGI practice.
  • Pre-procedural practice on these phantoms can help refine treatment plans, minimize peri-operative risks, and reduce procedural delays.