Boston Scientific Issues Class I Recall of Carotid Wallstent Over Manufacturing Defect Linked to Stroke Risk
核心洞察
Boston Scientific recalled its Carotid Wallstent Monorail Endoprosthesis (搜索) due to a manufacturing defect causing smaller inner lumens that create resistance during device withdrawal.
The FDA classified this as a Class I recall, the most serious type, due to potential for blood vessel injury, stent damage, and debris embolization that may cause stroke (搜索).
Six incidents requiring medical intervention have been reported as of July 29, 2025, though no patient deaths have occurred.
Boston Scientific has issued a Class I recall of its Carotid Wallstent Monorail Endoprosthesis (搜索) following the discovery of a manufacturing defect that significantly increases the risk of serious complications during carotid artery procedures. The FDA announced the recall on August 22, identifying it as the most serious type of device recall due to the potential for life-threatening consequences.
Manufacturing Defect Creates Serious Safety Risk
The recalled stents contain a critical manufacturing flaw where the inner lumen is smaller than specified design parameters. This defect creates resistance when physicians attempt to withdraw the stent delivery system during carotid artery procedures, potentially leading to severe complications.
According to the FDA alert, the manufacturing defect poses multiple serious risks including blood vessel injury, stent damage, and the release of debris that may cause stroke (搜索). The agency's classification as a Class I recall reflects the severity of these potential outcomes and the device's use in treating life-threatening carotid artery stenosis (搜索).
Clinical Impact and Reported Incidents
As of July 29, 2025, Boston Scientific reported six cases requiring additional medical intervention to recover the affected devices. While no patient deaths have been documented in connection with the defective stents, the potential for serious harm remains significant given the device's application in treating narrowed carotid arteries (搜索).
The Carotid Wallstent Monorail endoprosthesis (搜索) is typically placed using catheter-based techniques to open narrowed carotid arteries (搜索), making any complications during device withdrawal particularly concerning for patient safety.
Company Response and Customer Notification
Boston Scientific initiated customer notifications on July 7, instructing healthcare providers to immediately halt use of the affected devices. The company's directive includes removing the recalled stents from inventory and returning them to the manufacturer.
The recall affects the Carotid Wallstent Monorail Endoprosthesis (搜索) specifically, which is designed for treating carotid artery stenosis (搜索) through minimally invasive endovascular procedures. Healthcare providers using these devices have been advised to implement alternative treatment strategies for patients requiring carotid artery intervention.