Hybrid modeling techniques for 3D printed deep inferior epigastric perforator flap models

3D Printing in Medicine

Research

Nicholas M. Jacobson¹  David Mathes¹  Megan McDonnell¹  Erik Carerra¹  Aaron Treat¹  Christodoulous Kaoutzanis² 

[1] University of Colorado, Anschutz Medical Campus, School of Engineering, Computation, and Design - Inworks Innovation Initiative, Aurora, CO, USA;University of Colorado: Anschutz Medical Campus; School of Medicine; Plastic Surgery, University Hospital Colorado, Aurora, CO, USA;

关键词: 3D Printing;    Design;    Medical Application;    Software;    Multi-Material Printing;   

DOI  :  10.1186/s41205-023-00181-z

 received in 2023-04-03, accepted in 2023-06-01,  发布年份 2023

来源: Springer

【 摘 要 】

BackgroundDeep Inferior Epigastric Perforator Flap (DIEP) surgical procedures have benefited in recent years from the introduction of 3D printed models, yet new technologies are expanding design opportunities which promise to improve patient specific care. Numerous studies, utilizing 3D printed models for DIEP, have shown a reduction of surgical time and complications when used in addition to the review of standard CT imaging. A DIEP free flap procedure requires locating the inferior epigastric perforator vessels traversing and perforating the rectus abdominis muscle, perfusing the abdominal skin and fatty tissue. The goal of dissecting the inferior epigastric perforator vessels is complicated by the opacity of the fatty tissue and muscle. Previous attempts to 3D print patient specific models for DIEP free flap cases from CT imaging has shown a wide range of designs which only show variations of perforator arteries, fatty tissue, and the abdominis rectus muscle.MethodsTo remedy this limitation, we have leveraged a voxel-based modeling environment to composite complex modeling elements and incorporate a ruled grid upon the muscle providing effortless ‘booleaning’ and measured guidance.ResultsA limitation of digital surface-based modeling tools has led to existing models lacking the ability to composite critical anatomical features, such as differentiation of vessels through different tissues, coherently into one model, providing information more akin to the surgical challenge.ConclusionWith new technology, highly detailed multi-material 3D printed models are allowing more of the information from medical imaging to be expressed in 3D printed models. This additional data, coupled with advanced digital modeling tools harnessing both voxel- and mesh-based modeling environments, is allowing for an expanded library of modeling techniques which create a wealth of concepts surgeons can use to assemble a presurgical planning model tailored to their setting, equipment, and needs.Trial registrationCOMIRB 21–3135, ClinicalTrials.gov ID: NCT05144620.

【 授权许可】

CC BY   
© Springer Nature Switzerland AG 2023

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