http://hl7.org/fhir/StructureDefinition/device-commercialBrand|5.2.0

The overall name of a collection of branded devices that an organization brings to market. It is typically not the same as, although can be derived from, the organization name that owns the name.
typedestination
baseDefinitionhttp://hl7.org/fhir/StructureDefinition/Extension
typehttp://hl7.org/fhir/StructureDefinition/Extension
Extension.value[x].typehttp://hl7.org/fhir/StructureDefinition/string