FIELD: medical equipment.
SUBSTANCE: pressure pulsations damper for a fluid extraction system, comprising: a wall enclosing the main volume, at least two inlet openings, arranged in wall and made with possibility of connection with fluid media extraction units, at least two outlet holes, arranged in wall and made with possibility of connection with pump units, and at least one flexible element, arranged in the main volume in order to divide the main volume into at least two secondary volumes, each secondary volume forming a channel between at least one inlet opening and at least one outlet opening, wherein the flexible member is configured to bend to the secondary volume, located at lower pressure, and retaining element to limit bending of flexible element, note also that every secondary volume is formed by walls of flexible tube located nearby external non-rigid wall. Fluid pumping system, comprising: a pump comprising at least one inlet opening and at least one outlet opening, and a pressure pulsation damper as per any of the preceding claims.
EFFECT: technical result of claimed invention consists in reduction of pressure pulsations level.
12 cl, 12 dwg
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