Healthcare&WellnessNewsWT | Member Aktiia’s optical blood pressure technology proven accurate for two months without recalibration By Ramona Socher - 7. March 2019 Aktiia, a Swiss-US startup that develops optical blood pressure monitors at the wrist, has demonstrated that its cuffless optical blood pressure technology does not need recalibration after two months of […] To access this page, watch the live stream and videos on-demand, you must purchase the Free Subscription, Premium Subscription or Premium Subscription (6 months, special rate).