A cryogenic fluid jet distribution with flexible protective envelope

The invention relates to a device for dispensing one or more jets (5) under high pressure cryogenic temperature fluid comprising a nozzle holder tool (4) comprising one or more nozzles (6) of fluid delivery and a system of moving (2) of said nozzle-holder tool (4). According to the invention, the device further comprises at least one flexible protective envelope (7) arranged around all or part of the nozzle-holder tool (4) and / or movement formatting system (2) of said tool nozzle holder (4).