2-1B is the Rebel Alliance surgical droid at Echo Base in The Empire Strikes Back (1980), attending Luke Skywalker after the wampa attack and again aboard the medical frigate after Bespin, where it fits his prosthetic hand.
The design is one of the film's quiet successes — exposed mechanical viscera, precise hands, a bedside manner delivered in flat synthesised English. It is the first time the saga shows medicine rather than combat, and it sets the visual language for every bacta tank since.
Catalogue entry. This figure has a verified record here rather than a full write-up — the encyclopedia labels its own depth instead of padding it.
