Technology and Code Accepted on 14 Jan 2025 A Smart Classifier of Orthoses, Prostheses and Special Materials (OPMEs) in Invoices Wesckley GomesMethanias Colaço JúniorLuca Pareja Credidio Freire AlvesRaphael FontesRodrigo SilvaBruno NunesCaldeira SilvaRicardo Valentim Frontiers in the Internet of Things doi 10.3389/friot.2025.1436757