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Low-cost pseudo-anthropomorphic PVA-C and cellulose lung phantom for ultrasound-guided interventions

Abstract: A low-cost custom-made pseudo-anthropomorphic lung phantom, offering a model for ultrasound-guided interventions, is presented. The phantom is a rectangular solidstructure fabricated with polyvinyl alcohol cryogel (PVA-C) and cellulose to mimic the healthy parenchyma. The pathologies of interest were embedded as inclusions containing gaseous, liquid, or solid materials. The ribs were 3D-printed using polyethylene terephthalate, and the pleura was made of a bidimensional reticle based on PVA-C. The healthy and pathological tissues were mimicked to display acoustic and echoic properties similar to that of soft tissues. Theflexible fabrication process facilitated the modification of the physical and acoustic properties of the phantom. The phantom´s manufacture offers flexibility regarding the number, shape, location, and composition of the inclusions and the insertion of ribs and pleura. In-plane and out-of-plane needle insertions, fine needle aspiration, and core needle biopsy were performed under ultrasound image guidance. The mimicked tissues displayed a resistance and recoil effect typically encountered in a real scenario for a pneumothorax, abscesses, and neoplasms. The presented phantom accurately replicated thoracic tissues (lung, ribs, and pleura) and associated pathologies providing a useful tool for training ultrasound-guided procedures.

 Fuente: Gels, 2023, 9(2), 74

 Editorial: MDPI

 Fecha de publicación: 17/01/2023

 Nº de páginas: 14

 Tipo de publicación: Artículo de Revista

 DOI: 10.3390/gels9020074

 ISSN: 2310-2861

Autoría

ARTEAGA MARRERO, NATALIA

LLANOS GONZÁLEZ, ANA BELÉN

GÓMEZ GIL, MARTA ELENA

ACOSTA FERNÁNDEZ, ORLANDO

RUIZ ALZOLA, JUAN

GONZÁLEZ FERNÁNDEZ, JAVIER