LIQUID NITROGEN SPRAYING HEAD Russian patent published in 2012 - IPC A61B18/02 A61F7/00 

FIELD: process engineering.

SUBSTANCE: invention relates to medical equipment, particularly, to sprayers of liquid nitrogen in cryohardware. Proposed head consists of multiple through channels arranged at an angle to axis of casing on the side of its case and regularly along the circle, in several rows. Short bent capillary tubes are brazed in all channels of said casing extending a fan-like manner beyond head face. All said tubes are protected against damage by common jacket secured on head casing. Note here that casing outer surfaces and those of said jacket are provided with heat insulation.

EFFECT: possibility to form gas condensate jet of required shape.

1 dwg