Deuterium cartridge
Deuterium cartridges were components of a starship's warp drive system, presumably relating to the deuterium fuel source.

In 2370, Lieutenant Commander Geordi La Forge asked Ensign  to help Farrell inspect the deuterium cartridges shortly before a new warp core was to be activated aboard the . ()

es:Cartuchos de Deuterio
fr:Cartouche de deutérium
Warp