Boston Scientific Enroute Transcarotid Neuroprotection System Injury Lawsuit Lawyers

FDA Warning Issued for Boston Scientific Enroute Transcarotid Neuroprotection Systems Following Serious Device Failure

What Parker Waichman LLP Found

• The FDA instructed healthcare providers to stop using certain Boston Scientific Enroute Transcarotid Neuroprotection Systems immediately.
• The reported defect involves arterial sheath tip separation during TCAR procedures.
• The FDA has linked the issue to at least one serious injury.
• Device failure may increase the risk of stroke, embolism, thrombosis, restenosis, and emergency surgical retrieval.
• Patients injured by defective medical devices may have legal rights to pursue compensation through a product liability lawsuit.

The U.S. Food and Drug Administration (FDA) has issued an important safety warning involving certain lots of the Boston Scientific Enroute Transcarotid Neuroprotection System and the Enroute Transcarotid Neuroprotection System Plus. These medical devices are commonly used during transcarotid artery revascularization (TCAR), a minimally invasive procedure performed to reduce the risk of stroke in patients suffering from carotid artery disease.

The FDA’s warning follows the discovery of a potentially dangerous defect involving the arterial sheath tip used in these systems. According to federal regulators, the tip may separate completely or partially during use inside a patient’s artery. If this occurs, the detached component may remain inside the body and require emergency endovascular retrieval or open surgery to remove it. Even when successfully removed, the patient may experience severe complications that would not have occurred had the device functioned properly.

As of July 9, 2026, the FDA stated that at least one serious injury has already been associated with this device issue. While investigators continue evaluating the full scope of the problem, federal regulators have instructed hospitals and healthcare providers to stop using the affected devices immediately and return them to Boston Scientific.

Medical devices used during vascular procedures must perform exactly as intended. When a component unexpectedly breaks apart inside a patient’s artery, the consequences can be life-threatening. Patients who trusted these devices during procedures designed to reduce stroke risk may now face new medical concerns caused by the very equipment intended to protect them.

Understanding the Enroute Transcarotid Neuroprotection System

The Enroute Transcarotid Neuroprotection System is designed for use during transcarotid artery revascularization, commonly referred to as TCAR. This procedure is used to treat carotid artery disease, a condition involving narrowing of the carotid arteries caused by plaque buildup.

The carotid arteries supply oxygen-rich blood to the brain. When these arteries become narrowed, plaque fragments can break away and travel into the brain, potentially causing a stroke. Traditionally, many patients underwent carotid endarterectomy, an open surgical procedure to remove plaque from the artery. TCAR was developed as a less invasive alternative for certain patients.

During a TCAR procedure, physicians gain direct access to the carotid artery through a small incision above the collarbone. The Enroute system temporarily reverses blood flow away from the brain during the procedure. Blood is redirected through an external filtration system before being returned to the patient’s body. This reversed blood flow helps prevent plaque fragments and embolic debris from reaching the brain while physicians place a carotid stent.

Because these procedures involve major blood vessels supplying the brain, every component of the device must operate reliably. Any mechanical failure involving vascular access equipment can significantly increase the risk of catastrophic injury.

What Is the Defect Identified by the FDA?

According to the FDA, Boston Scientific identified a risk involving arterial sheath tip separation or partial tip separation during use.

The arterial sheath is inserted into the artery to allow physicians to introduce other instruments safely during the TCAR procedure. If the sheath tip separates while inside the artery, a portion of the device may remain lodged within the vascular system.

This type of failure creates several immediate dangers.

First, physicians may need to interrupt the planned procedure to retrieve the broken component. Retrieval itself can involve additional catheters, specialized vascular equipment, or emergency surgery.

Second, a retained device fragment can obstruct blood flow or migrate through the circulatory system. Detached material traveling through the bloodstream may cause life-threatening vascular complications.

Third, removal attempts may damage the artery, increase bleeding, or prolong procedural time, exposing patients to additional anesthesia and surgical risks.

Unlike cosmetic or minor device defects, failures involving equipment placed directly inside major arteries can rapidly become medical emergencies.

Serious Complications Associated With Sheath Tip Separation

The FDA identified several potentially severe complications associated with retained catheter components.

Embolism

A retained device fragment may interfere with blood flow or contribute to the formation of emboli. Embolic material traveling through the bloodstream can obstruct smaller arteries elsewhere in the body, reducing oxygen delivery to critical organs.

Stroke

One of the primary reasons patients undergo TCAR is to reduce stroke risk. Ironically, a detached catheter tip or related clot formation may increase the likelihood of ischemic stroke if blood flow to the brain becomes compromised.

Stroke may result in:

• Permanent paralysis
• Speech impairment
• Cognitive decline
• Vision loss
• Swallowing difficulties
• Long-term disability
• Death

Transient Ischemic Attack (TIA)

A transient ischemic attack, often called a “mini-stroke,” occurs when blood flow to part of the brain is temporarily interrupted. Although symptoms may resolve, a TIA frequently serves as a warning sign of a future major stroke.

Restenosis

Damage to the artery or procedural complications may contribute to restenosis, meaning the treated artery narrows again after intervention. Patients may require additional vascular procedures if blood flow becomes restricted.

Thrombosis

A retained foreign object inside an artery may promote clot formation. Blood clots developing around device fragments can obstruct circulation and create life-threatening emergencies requiring immediate treatment.

Why This FDA Warning Is Especially Concerning

The Enroute system is designed specifically to prevent devastating neurological injuries during carotid procedures. Patients undergoing TCAR often already have significant cardiovascular disease and elevated stroke risk before entering the operating room.

Because of this, any device malfunction involving cerebral circulation carries heightened concern.

Unlike many product recalls involving consumer goods, medical device failures occur while physicians are actively treating patients. A device malfunction inside a major artery may force clinicians to abandon their planned procedure, perform emergency retrieval techniques, or convert to open surgery.

Patients generally have no ability to prevent these failures. They rely entirely on manufacturers to produce safe devices, conduct adequate testing, maintain quality control, and identify manufacturing defects before products reach hospitals.

When those safeguards fail, patients may suffer injuries despite receiving appropriate medical care.

FDA Advises Healthcare Providers to Stop Using the Devices Immediately

The FDA has instructed customers to discontinue use of all affected lots immediately.

Healthcare facilities should:

• Stop using affected Enroute systems.
• Identify inventory containing impacted lot numbers.
• Return affected products to Boston Scientific.
• Notify any facilities that may have received transferred inventory.

Prompt removal of affected devices from circulation helps reduce the possibility that additional patients will be exposed to unnecessary risks.

Hospitals also typically review internal inventory records to determine whether affected products were previously implanted or used during patient procedures.

FDA Investigation Continues

The FDA emphasized that this communication is part of its early warning pilot program, which allows federal regulators to alert healthcare providers before a recall classification has been finalized.

This means the investigation remains active.

Federal investigators continue evaluating:

• The number of affected devices.
• Whether additional injuries have occurred.
• The underlying manufacturing or design issue.
• The likelihood of future patient harm.
• Whether broader corrective actions will become necessary.

As additional information becomes available, the FDA may update the recall classification or expand recommendations affecting healthcare providers nationwide.

Patients Who May Have Been Affected

Patients may have undergone TCAR procedures using one of the affected devices without knowing a warning had later been issued.

Individuals may wish to speak with their physician if they recently underwent carotid artery revascularization and experience symptoms such as:

• Sudden weakness or numbness.
• Difficulty speaking.
• Vision changes.
• Severe headaches.
• Facial drooping.
• Dizziness or loss of balance.
• Neck swelling.
• Persistent pain near the surgical site.
• Signs of reduced blood flow.

Not every patient treated with an affected device will experience complications. However, anyone developing neurological symptoms following vascular surgery should seek immediate medical evaluation.

Product Liability Lawsuits Involving Defective Medical Devices

Manufacturers of medical devices have a legal responsibility to produce products that are reasonably safe when used as intended.

When defective devices allegedly cause patient injuries, legal claims may involve:

• Defective manufacturing.
• Defective product design.
• Failure to warn physicians.
• Negligence.
• Breach of warranty.

Medical device litigation often requires extensive investigation into manufacturing records, quality assurance documentation, adverse event reports, FDA communications, engineering analyses, and internal company documents.

Patients who suffered additional surgeries, stroke, permanent disability, or other serious injuries because of a defective medical device may have the right to pursue financial compensation.

Potential damages may include medical expenses, future medical treatment, rehabilitation costs, lost income, diminished earning capacity, pain and suffering, permanent disability, and other losses recognized under applicable law.

Enroute Transcarotid Neuroprotection System Lawsuit FAQs

Can I file a lawsuit if a defective medical device injured me during surgery?

Possibly. If a defective medical device caused additional injuries, emergency procedures, permanent disability, or other complications, you may have grounds to pursue a product liability claim. Every case depends on the specific facts, including the nature of the defect, your injuries, and the evidence connecting the device to the harm you suffered.

What injuries could qualify someone for a lawsuit involving the Enroute Transcarotid Neuroprotection System?

Potential claims may arise if the alleged device defect resulted in a stroke, transient ischemic attack, embolism, thrombosis, additional surgery, vascular injury, prolonged hospitalization, permanent neurological impairment, or other serious complications. Medical records and expert review are often necessary to evaluate whether the device contributed to the injury.

What if I do not know which medical device was used during my procedure?

Many patients are unaware of the specific medical devices used during surgery. An attorney can obtain operative reports, hospital records, implant logs, and other medical documentation to determine whether one of the affected Boston Scientific devices was involved.

Do I have a case if the device malfunctioned but my doctors successfully removed it?

Possibly. Even when physicians successfully retrieve a broken device component, patients may still suffer additional injuries, longer procedures, increased medical expenses, vascular damage, emotional distress, or other complications. A legal evaluation can help determine whether compensation may be available.

How much does it cost to speak with Parker Waichman LLP?

Parker Waichman LLP offers free consultations to individuals and families who believe they were injured by defective medical devices. During the consultation, the firm can review the available information, discuss the circumstances surrounding the procedure, and explain potential legal options. There is no obligation to proceed with a claim after speaking with the firm.

Contact Parker Waichman LLP For A Free Case Review

Patients undergo carotid artery procedures expecting that the medical devices used during surgery have been carefully designed, manufactured, and tested. When a device fails inside a major artery, the consequences can be life-changing, leading to additional surgeries, stroke, permanent disability, or other serious complications.

If you or a loved one experienced complications after a transcarotid artery revascularization procedure involving a Boston Scientific Enroute Transcarotid Neuroprotection System, Parker Waichman LLP can evaluate your potential claim and explain your legal options.

Parker Waichman LLP represents individuals nationwide in complex defective medical device litigation. The firm offers free consultations, and there are no attorney’s fees unless compensation is recovered. Regardless of your location or where your injury occurred, our nationwide product injury law firm is ready to assist you.

Call 1-800-YOUR-LAWYER (1-800-968-7529) today to discuss your potential case.