Table 1.
Category of changeover based on the status for environment continuity.
| Category | Status for environment continuity |
Requirement of operation |
|||
|---|---|---|---|---|---|
| Cell processing area | Surrounding environment | Cleanup | Disinfection | Checkup | |
| A: Changeover with environment continuity | Continuing | Controlled | |||
| B: Changeover with environment continuity after treatment in cell processing area | Continuable | Controlled | ○ | ||
| C: Changeover with environment continuity after treatment in both cell processing area and its surrounding environment | Continuable | Deviated | ○ | ○ | |
| D: Changeover after reprocessing | Uncontinuable | Deviated | ○ | ○ | ○ |