Adjustable Clot Retrieval Tool Reduces Vessel Tension During Ischemic Stroke Treatment – Surgical Techniques


Image: TIGERTRIEVER 13 is designed to reduce vessel tension during the treatment of ischemic stroke (Photo courtesy of Rapid Medical)

Existing stent retrievers designed for neurovascular diseases such as ischemic and hemorrhagic stroke lack any adjustability, they open passively and are extracted from the brain fully deployed. Now, an adjustable clot retriever designed to remove thrombus from delicate cerebral blood vessels during ischemic stroke can provide new levels of safety for high-risk thrombectomies.

The TIGERTRIEVER 13 from Rapid Medical (Yokneam, Israel) is the world’s smallest revascularization device to date and is designed to remove thrombi from delicate cerebral blood vessels during ischemic stroke. It is the only device that adapts to the vasculature and the clot, a more atraumatic approach than existing devices. The unique adjustability of the TIGERTRIEVER wallet comes from an intricate three-dimensional braiding borrowed from recent advances in aerospace engineering.

TIGERTRIEVER is precisely controlled to capture the thrombus and remove tension from the vasculature prior to removal. The adjustability also gives the TIGERTRIEVER 13 the lowest profile of any stent retriever – 24% smaller than 3mm devices, making it easier to navigate difficult anatomy. The ability to tailor each procedure can provide new levels of safety for high-risk thrombectomies. Rapid Medical has received 510(k) clearance from the FDA for the TIGERTRIEVER 13 for large vessel occlusions.

“Thousands of procedures have already been performed with the TIGERTRIEVER 13 worldwide,” said James Romero, President, Americas, Rapid Medical. “Now American physicians finally have access to the unique capabilities of the TIGERTRIEVER 13 to further benefit patients with ischemic stroke.”

“The neurovascular field has been waiting for a dedicated small vessel thrombectomy device,” said Dr. David Fiorella of Stony Brook University Medical Center. “Medical treatment is currently suboptimal for these patients, so there may be enormous benefit to devices that urgently restore blood flow while minimizing the potential for harm.”

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