There are many operations that have been developed for the condition, but currently the most favored are the in-direct procedures EDAS, EMS, and multiple burr holes and the direct procedure STA-MCA . Direct superficial temporal artery ( STA ) to middle cerebral artery ( MCA ) bypass is considered the treatment of choice, although its efficacy, particularly for hemorrhagic disease, remains uncertain.
12.
:As for the device not being sufficiently distinctive to require approval, that just means that the usage technique, in terms of how it's inserted into the body, is basically the same, so it doesn't require additional approvals, but the product itself is radically different, and it allows the use of much smaller burr holes in the skull, to minimize long-term impacts.
