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Authors
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Funding
Funding for this research was provided by:
Ministerstvo Zdravotnictví Ceské Republiky (00023728)
Charles University
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Article History
Received: 17 February 2025
Accepted: 25 August 2025
First Online: 10 September 2025
Declarations
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: Maryan Bobelyak, Jan Vaculik, and Jan J. Stepan declare that there are no relationships that could be considered a conflict of interest. The device used in the study (EchoStudio: SN 002–230910, v.2.1.1–0, EchoStation; Echolight Spa, Lecce, Italy) was provided by the distributor, PROMEDICA PRAHA GROUP a.s. This arrangement followed a teleconference with the manufacturer, during which we expressed our intention to test the device in an orthopedic practice for patients with hip fractures and those undergoing hip replacement. We received regular updates on the calibration status of the REMS device. On May 2, 2025, the distributor requested the immediate return of the device. We returned the device along with all measured data on May 7, 2025. On June 24, 2025, the distributor asked us to sign a declaration stating that the borrowed device was intended solely for demonstration purposes and that the manufacturer had prohibited its use for research or clinical applications. We refused to sign the declaration retrospectively.
