Research Article

Phase Segmentation Methods for an Automatic Surgical Workflow Analysis

Table 5

The 12 phases of the cholecystectomy surgical workflow.

Phase index Phase name

1Materials preparation
2CO2 inflation
3Trocar insertion
4Dissection
5Clipping cutting
6Gallbladder detaching
7Liver bed coagulation
8Packaging of gallbladder
9External cleaning
10Trocar retraction
11Abdominal suturing
12Materials return