The medical arena continually moves toward a new technological revolution in a bid to serve better to a broader patient population, through an advanced set of technologies. Neurology, one of the most progressive medical branches, has recently encountered with a top-notch neurological area with unmatched expertise of digging inside the neural vessels. According to the Society of Neurointerventional Surgery, neurointervention is an approach for treatment of conditions that occur within the vessels of the brain or within the spinal cavity. It is gaining high traction among neuro-specialists due to its minimally invasive technique and comparatively higher success rate ratio as compared to conventional clipping method.
Technological Advancements in Neurointerventional Devices
Neurointerventional devices are now considered as a new hope for patients who have been suffering from severe neural disorders, such as strokes and aneurysm – over a long period of time. Minimally invasive compared to conventional surgeries, neurointerventional devices involve delivery of medications through a catheter or cannula inserted through tiny incisions. The emergence of neurointervention branch has eventually fueled the innovation of medical devices specifically designed for performing neurointervention procedures. Neurovascular stents, embolic coils, liquid embolics, embolic protection devices, flow diverters, balloons, neurovascular thrombectomy devices, stent retrievers, and intrasaccular devices are among the key types of neurointerventional devices.
In case of both, brain-related or spinal disorders, neurology experts and practitioners insert catheters or cannulas to the respective sites through incisions, which enables them to view on a large screen the internal images of the brain or spine, all though the procedure. This underpins the concept behind spotting the exact inflicted area and identifying the precise problem.
Advances in Neurointerventional Devices
- Solitaire Revascularization Neurointerventional Devices
A stroke occurs when blood flow to part of the brain is blocked by a blood clot forming in a brain artery. After a person experiences a stroke, every minute leads to the death of vital brain tissue. However, the long-term outcome for victims may have improved thanks to the Solitaire device, which is a neurointerventional devices that can be used up to eight hours after a stroke begins.
Solitaire, recently approved by the Federal Drug and Food Administration, is a minimally invasive technology, similar to a stent procedure for heart blockage. Physicians thread a thin catheter through an artery in the patient’s groin to the area of blockage in a brain artery. Within that catheter, they advance a miniature stent, a wire mesh tube that expands inside the artery. The stent opens in the blocked artery and blood flow is restored – even before the clot is fully removed.
The clot sticks to the stent after it is in place for about three minutes, and then the stent and the clot are pulled out. Neurointerventional specialists have also used this neurointerventional devices on a number of patients since acquiring the device. The two biggest advantages of this neurointerventional devices are it is fast and easy to use; and it restores blood flow almost immediately after being expanded in the artery.
- Pipeline Embolization Neurointerventional Devices (PED)
A cerebral aneurysm is the abnormal enlargement or bulging of a weak point in a brain’s blood-vessel wall. It most commonly causes harm by breaking and bleeding. Brain aneurysm is common amongst people and can also results in death. The new Pipeline Embolization Device (PED) is a mesh tube that diverts blood flow away from the aneurysm.
This neurointerventional devices is used to treat adults age 22 or older with large or giant wide-necked intracranial aneurysms in the internal carotid artery, the major artery that supplies blood to the front of the brain. The neurointerventional devices is placed through a catheter into the artery containing the aneurysm. The neurointerventional devices covers the neck, or opening of the aneurysm, preventing it from being filled with blood.
PED redirects blood flow away from the aneurysm, causing the blood that remains in the aneurysm to clot, thereby preventing the aneurysm from rupturing. Once employed, the PED also reduces the outward push on the vessel’s walls, lessening the pressure on areas of the brain that might be compressed by a large aneurysm.
This is indeed a very exciting time in the field of medicine with an influx of new neurointerventional devices emerging on the market, with each one advancing the way in which brain diseases are treated. Over the past couple of years, researchers are working hard on building a strong neurointerventional team so that they can offer advanced technology to patients.
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