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Three-Dimensional Printing of a Complex Aortic Anomaly

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Simulation Surgery Using 3D 3-layer Models for Congenital Anomaly.

Koichi Ueda¹, Hiromi Kino¹, Misato Katayama¹

¹Department of Plastic and Reconstructive Surgery, Osaka Medical College, Takatsuki, Osaka, Japan.

Plastic and Reconstructive Surgery. Global Open

|September 28, 2020

Summary

Realistic 3D facial models aid surgical simulation for congenital anomalies. These elastic models allow surgeons to visualize changes in soft tissue and plan procedures like osteotomy and bone grafting.

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Area of Science:

Biomedical Engineering
Plastic Surgery
Medical Modeling

Background:

Realistic three-dimensional, computer-assisted, 3-layered elastic models of the face were developed.
These models represent skin (polyurethane), subcutaneous tissue (silicone), and bone (salt).

Purpose of the Study:

To evaluate the advantages of these 3-layer facial models for surgical simulation in congenital anomaly cases.

Main Methods:

Eight models were created, including cases of Crouzon disease, Binder syndrome, facial cleft, Goldenhar syndrome, cleft lip and palate, and hemifacial macrosomia.
The models were used to simulate surgical interventions such as osteotomy, bone grafting, and distraction osteogenesis.

Main Results:

The models enabled visualization of facial contour changes and assessment of graft adequacy.
Surgical approaches, osteotomy lines, and soft tissue contour changes were analyzed.
The feasibility of wound closure after grafting was confirmed.

Conclusions:

The primary benefit of these models is visualizing soft tissue changes resulting from hard tissue manipulation (bone graft, distraction osteogenesis).
Further improvements are needed to enhance model realism.