Jo's Sterile Swab

Jo’s Sterile Swab is used with clinical precision by Jo Grant to clean Clark’s wounded forearm under the Doctor’s direction. The swab becomes a symbol of their desperate attempt to maintain medical order amid chaos as the fort’s isolation and the Sea Devil’s attack threaten to overwhelm their resources.

Jo’s Sterile Swab becomes a transitional tool, cleaning Clark’s wounds with clinical precision before being repurposed as part of the Doctor’s improvised radio conversion. The swab’s fibrous tip represents the friction between medical order and desperate improvisation in their evolving survival strategy.

The sterile swab is initially used by Jo under the Doctor’s direction to clean Clark’s wounded forearm, playing a brief medical role before the escalation into combat action. Its clinical precision becomes metaphorical—each stroke a small, futile act of order amid encroaching chaos.