A Valve which Depressurises, and a Valve System

摘要

A valve for a fluidic cartridge is provided. The valve comprises a valve cavity having first and second openings connected to first and second passageways, respectively; and a flexible membrane within the valve cavity, the flexible membrane having a first portion actuatable to seal against the first opening and a second portion actuatable to seal against the second opening; wherein the valve cavity is configured such that the first flexible membrane portion may be actuated independently of the second flexible membrane portion to enable the first opening to be sealed independently of the second.