Application of Virtual Reconstruction 3D-Printed External Fixation Helmet in Early Functional Treatment of Facial Fracture

Abstract

Facial fracture repair is time-dependent. Early reduction and fixation after trauma help with later repair. Abnormal healing caused by delayed repair increases not only the difficulty of reconstruction, but also the risk of aesthetic or functional defects. Digital technology was used to model local trauma in three dimensions. The fracture fragments were reset, and the facial shape was reconstructed on the reset model. After resampling, 3D printing was used to construct a personalised external fixation helmet. Combined with the posterior nasal passage lift reduction technique, early reduction of the mid-face fractures was performed. Through the early application of a 3D-printed personalised external fixation helmet to a patient with a comprehensive fracture, the helmet manufacturing process and application methods were introduced, and the effect of this application was investigated. In the treatment of facial fractures, the early application of a 3D-printed personalised external fixation helmet is conducive to fracture reduction and fixation and reduces the difficulty of later reconstruction.

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Patient-specific 3D-printed helmet for post-craniectomy defect – a case report

“…Modern orthotic moulding helmets are created with the support of 3D scanning or low dose CT scans and may be produced by healthcare institutions or commercial manufacturers [ 5 ]. The emergence of 3D printing and increasing accessibility of computer-aided design (CAD) software has allowed clinicians to produce custom helmets for an increasingly specific and diverse range applications including scalp radiation therapy [ 6 ], external fixation of facial fractures [ 7 ], orthosis for acrania [ 8 ], and improved aesthetics for cranial defects [ 3 ]. Our case details the creation of a 3D designed and printed helmet using state-of-the-art methods to overcome a complex clinical scenario.…”