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Preferential Covered Carotid Stent

Technology Overview

This is a membrane-coated stent covered with multiple flaps. The flaps are constructed in a way that they open up and allow perfusion into the areas where side branches are present when positive pressure blood flows inside the coated stent and in non-branched area, they will be pushed against the vessel wall. It demonstrated significantly higher emboli prevention capability than the corresponding bare metal stent, while preserving more than 83% of the original flow of the external carotid artery.

 

Technology Features & Specifications

- A stent with outer surface coated with a membrane. 
- Multiple flaps have been created on the membrane. 
- The membrane and the closed flap act as a barrier between the inner wall of the blood vessel and the blood flow inside the lumen. 
- This design enables preferential blood flow to the side branch in the presence of a covered stent in the blood vessel.

Potential Applications

Cardiology

Market Trends and Opportunities

The global carotid stent market is expected to grow at a CAGR of 12.4% during the period 2017-2021. Cerebrovascular disease is a leading cause of death and a major cause of permanent neurological and physical impairment in adults. Among several types of cerebrovascular disease, ischemic stroke is the most prevalent. Approximately 15–20% of all ischemic strokes occur from atherosclerotic carotid artery stenosis. Though carotid endarterectomy has been the gold standard of treatment for symptomatic significant carotid artery stenosis for more than 60 years, carotid artery stenting, being less invasive than carotid endarterectomy, has become more common over the last 30 years.

Customer Benefits

- Constrains the friable atherosclerotic plaque over the inner wall of carotid artery and preserve perfusion to the external carotid artery.

- Uniform flow in the external carotid artery through the stents without evidence of undesirable flow recirculation and reversed flow that might predispose the vessel wall to intimal thickening and atherosclerotic plaque formation. 

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