who demonstrate an ischemic penumbra in an MRI perfusion scan. The device increases blood flow to the ischemic penumbra via the collateral blood vessels. The MR and Recanalization of Stroke Clots ...

Penumbra in (A) MRI (mismatch in PWI/DWI) and (B) CT perfusion (difference in decreased CBF in core and penumbra and increased CBV in penumbra). CBF: Cerebral blood flow; CBV: Cerebral blood ...