John Lumic's wheelchair

From Tardis Wiki, the free Doctor Who reference

John Lumic's wheelchair was used by its eponymous owner for life-support. Such features included a motion control lever, breathing apparatus, and an oxygen tank. Also incorporated were doses of medication which would be taken intravenously. (TV: Rise of the Cybermen) After Mr Crane damaged the life-support systems, Lumic was taken into a conversion room to undergo conversion into the Cyber-Controller. (TV: The Age of Steel)