HoloLens 1 vs. HoloLens 2: Improvements in the New Model for Orthopedic Oncological Interventions

Type of publication:  Artikel
Zeitschrift: Sensors
Band: 22
Nummer: 13
Jahr: 2022
ISSN: 1424-8220
URL: https://www.mdpi.com/1424-8220...
DOI: 10.3390/s22134915
Abriss: This work analyzed the use of Microsoft HoloLens 2 in orthopedic oncological surgeries and compares it to its predecessor (Microsoft HoloLens 1). Specifically, we developed two equivalent applications, one for each device, and evaluated the augmented reality (AR) projection accuracy in an experimental scenario using phantoms based on two patients. We achieved automatic registration between virtual and real worlds using patient-specific surgical guides on each phantom. They contained a small adaptor for a 3D-printed AR marker, the characteristic patterns of which were easily recognized using both Microsoft HoloLens devices. The newest model improved the AR projection accuracy by almost 25%, and both of them yielded an RMSE below 3 mm. After ascertaining the enhancement of the second model in this aspect, we went a step further with Microsoft HoloLens 2 and tested it during the surgical intervention of one of the patients. During this experience, we collected the surgeons’ feedback in terms of comfortability, usability, and ergonomics. Our goal was to estimate whether the improved technical features of the newest model facilitate its implementation in actual surgical scenarios. All of the results point to Microsoft HoloLens 2 being better in all the aspects affecting surgical interventions and support its use in future experiences.
Nutzerfelder: article-number={4915},
Autoren: Pose-Díez-de-la-Lastra, Alicia
Moreta-Martinez, Rafael
García-Sevilla, Mónica
García-Mato, David
Calvo-Haro, José Antonio
Mediavilla-Santos, Lydia
Pérez-Mañanes, Rubén
von Haxthausen, Felix
Pascau, Javier
  • sensors-22-04915 (1).pdf