Introduction
Related work
Surgical workflows and process models
Related datasets
Analysis goals
Terminology
-
Data entity: Individual recording entities for the different data categories are referred to as data entities.
Main goals
Design of the Application
Reference view
Main views
Side views
Interaction Techniques
Evaluation and results
Tasks
Task | Summary |
---|---|
1 | Align surgical procedures at beginning of specific phase and identify which preceding phases were visited in any of the procedures after the alignment point |
2 | Change alignment point and use highlighting to check whether two given instruments were used simultaneously in any of the procedures |
3 | Determine which instruments are no longer used after a certain point |
4 | Change alignment point, zoom in, and use highlighting to inspect during which phase a peak in the measurements of a specific device occurred |
5 | Compare the overall duration of the highlighted procedures from the previous task against the remaining ones |
6 | Change alignment point and determine which instrument was used most after it |
7 | Use summary histograms to determine how many procedures had unusually high average values for a certain device |
8 | Highlight corresponding procedures from previous task and determine which instrument is used the longest at a stretch in them |
9 | Highlight the procedures which entered the NOOP phase and identify the phase during which it occurred (see Fig. 7) |
10 | Zoom in on the interval of the NOOP phase to find that a certain device measurement suddenly increased during the interval (see Fig. 7) |
11 | Highlight the procedures that took longer overall and inspect how much of their duration was spent in a certain phase |
12 | Filter for the longer procedures to find that they generally take particularly long w.r.t. exactly one of two specific phases, however, never w.r.t. both |
13 | Filter and highlight to compare the longest two procedures regarding for which instrument their usage time differed the most |
Hypotheses and open feedback
Usability
-
“I thought there was too much inconsistency in this system.” (Average: 1.9 \(\approx \) disagree)
-
“I found the various functions in this system were well integrated.” (Average: 3.8 \(\approx \) agree)
-
“I felt very confident using the system.” (Average: 2.3 \(\approx \) disagree-neutral)
-
“I think that I would like to use this system frequently.” (Average: 2.4 \(\approx \) disagree-neutral)