# Review of Microsoft HoloLens Applications over the Past Five Years
## 3 Results
### Applications in Medical and Healthcare Fields
#### 3.1.1 Medical and Surgical Aids and Systems
\begin{table}
\begin{tabular}{c c c c c c c} \hline \hline \multicolumn{1}{c}{**Reference**} & \multicolumn{1}{c}{**Year**} & \multicolumn{1}{c}{**Aim of Study**} & \multicolumn{1}{c}{**Number of Citations**} & \multicolumn{1}{c}{**HoloLens**} & \multicolumn{1}{c}{**Visualization**} & \multicolumn{1}{c}{**Functionality**} \\ \hline \multirow{2}{*}{[PERSON] et al. [29]} & \multirow{2}{*}{2018} & Evaluation of the utility of & \multirow{2}{*}{95} & \multirow{2}{*}{1} & \multirow{2}{*}{AR} & \multirow{2}{*}{Immersion} \\  & HoloLens for pathology & & & & & \\ \hline \multirow{2}{*}{[PERSON] et al. [30]} & \multirow{2}{*}{2019} & Proposal of MR system for & \multirow{2}{*}{3} & \multirow{2}{*}{1} & \multirow{2}{*}{MR} & \multirow{2}{*}{Visualization} \\  & visualization of medical data & & & & & \\ \hline \multirow{2}{*}{[PERSON] et al. [3]} & \multirow{2}{*}{2020} & Evaluation of the utility of & \multirow{2}{*}{23} & \multirow{2}{*}{1} & \multirow{2}{*}{MR} & \multirow{2}{*}{Immersion} \\  & HoloLens in endoscopic surgery & & & & & \\ \hline \multirow{2}{*}{[PERSON] et al. [31]} & \multirow{2}{*}{2020} & Evaluation of the utility of & \multirow{2}{*}{1} & \multirow{2}{*}{1} & \multirow{2}{*}{MR} & \multirow{2}{*}{Interaction} \\  & HoloLens for visualization of & & & & & \\  & medical data & & & & \\ \hline \multirow{2}{*}{[PERSON] et al. [32]} & \multirow{2}{*}{2018} & Proposal of medical data & \multirow{2}{*}{19} & \multirow{2}{*}{1} & \multirow{2}{*}{AR} & \multirow{2}{*}{Interaction} \\  & visualization method & & & & & \\ \cline{1-1}  & using AR & & & & & \\ \hline \multirow{2}{*}{[PERSON] et al. [33]} & \multirow{2}{*}{2020} & Quantifying the accuracy of & \multirow{2}{*}{4} & \multirow{2}{*}{1} & \multirow{2}{*}{AR} & \multirow{2}{*}{Interaction} \\  & placement method of virtual & & & & & \\ \cline{1-1}  & medical objects & & & & & \\ \hline \multirow{2}{*}{[PERSON] et al. [34]} & \multirow{2}{*}{2020} & Verification of reproducibility & \multirow{2}{*}{1} & \multirow{2}{*}{MR} & \multirow{2}{*}{Interaction} \\  & and accuracy of maxillary & & & & & \\ \hline \multirow{2}{*}{[PERSON] et al. [35]} & \multirow{2}{*}{2017} & Proposal of holographic & \multirow{2}{*}{12} & \multirow{2}{*}{1} & \multirow{2}{*}{MR} & \multirow{2}{*}{Immersion} \\  & interface for 3D visualization & & & & & \\ \cline{1-1}  & of MRI data & & & & & \\ \hline \multirow{2}{*}{[PERSON] et al. [36]} & \multirow{2}{*}{2017} & Development of framework & \multirow{2}{*}{43} & \multirow{2}{*}{1} & \multirow{2}{*}{AR} & \multirow{2}{*}{Interaction} \\  & for 3D hologram & & & & & \\ \cline{1-1}  & transformation of & & & & & \\ \cline{1-1}  & vascular system & & & & & \\ \hline \multirow{2}{*}{[PERSON] et al. [37]} & \multirow{2}{*}{2018} & Realization of data included & \multirow{2}{*}{114} & \multirow{2}{*}{1} & \multirow{2}{*}{AR} & \multirow{2}{*}{Interaction} \\  & in CTA video as AR & & & & & \\ \hline \multirow{2}{*}{[PERSON] et al. [38]} & \multirow{2}{*}{2020} & Accuracy evaluation of & \multirow{2}{*}{3} & \multirow{2}{*}{1} & \multirow{2}{*}{AR} & \multirow{2}{*}{Visualization} \\  & AR-based vascular & & & & & \\ \cline{1-1}  & localization system & & & & \\ \hline \multirow{2}{*}{[PERSON] et al. [39]} & \multirow{2}{*}{2019} & Evaluation of the utility of & \multirow{2}{*}{34} & \multirow{2}{*}{1} & \multirow{2}{*}{AR} & \multirow{2}{*}{Interaction} \\ \cline{1-1}  & HoloLens in pedicle screw & & & & & \\ \cline{1-1}  & placement exploration & & & & \\ \hline \hline \end{tabular}
\end{table} 
Table 2: Summary of Microsoft HoloLens application for medical auxiliary devices and systems.