Unidad de Terapias Biologicas OrtoBioSevilla e Intervencionismo Ecoguiado 1 article published in JoVE Medicine Treatment Protocol for Rotator Cuff Calcific Tendinitis Using a Single-Crystal Piezoelectric Focused Shock Wave Source Daniel Moya1, Diego Gómez1, Daniel Velóz Serrano1, Pedro Bernáldez Domínguez2, Ignacio Dallo Lazzarini2, Gonzalo Gómez3 1Department of Orthopaedics, Buenos Aires British Hospital, 2SportMe Medical Center, Departamento de Cirugía Ortopédica y Traumatología, Unidad de Terapias Biológicas OrtoBioSevilla e Intervencionismo Ecoguiado, 3Sportsmed Argentina Calcific tendinitis of the shoulder is a relatively common condition with numerous treatment options. Here, we discuss the indications of focused shock waves generated by a single-crystal piezoelectric device, describe a treatment protocol, and present the preliminary results.