Various facets of wireless healthcare have been discussed in previous Wireless Watch articles, but these can obscure the overall direction of travel towards better provision of medical services at the point of need. Mobile networks are not just enablers of existing medical technologies and services but are also wreaking quite fundamental changes in the way healthcare is provisioned and delivered. This is bringing improvements in quality and sustainability of care, while also creating new challenges or intensifying existing ones, notably over medical data. A lot more personal data of potential value for medical records is being created, but this is of varying quality and relevance, creating challenges over quality control and also security. Operators have been eyeing up opportunities in…