PUMP UNIT WITH EMBEDDED VALVES Russian patent published in 2022 - IPC A61C17/02 

FIELD: medical equipment.

SUBSTANCE: invention relates to medical equipment, namely to valve nodes. Valve node (10) contains first and second case parts (22, 24). The first and the second case parts are attached to each other in such a way that corresponding channels in each of them are aligned to form inlet and outlet tracts (25, 35) for fluid through the valve node. Between the first and the second case parts, there is insert (38) in the form of a folding valve, containing a set of folds (40). The first and the second folds are correspondingly aligned with inlet and outlet tracts for fluid. First fold (40a) is made with the possibility of provision of passage of a fluid flow along the inlet tract for fluid in the first direction, while blocking the fluid flow in the second direction. Second fold (40b) is made with the possibility of provision of passage of the fluid flow along the outlet tract for fluid in the second direction, while blocking the fluid flow in the first direction. The first direction passes from the first case part to the second case part, and the second direction passes from the second case part to the first case part.

EFFECT: obtaining a valve node.

13 cl, 11 dwg