ISO 80369 establishes unique designs for different circuit applications. Connectors compliant with ISO 80369-6 are specific to neuraxial devices. The term “NRFit®” refers to neuraxial devices that are ISO 80369-6 compliant. Major manufacturers are using the colour yellow to identify NRFit® devices. NRFit® devices from GBUK Healthcare are exclusively branded “DASH 6™"".