The Merci Retrieval System
The Merci Retrieval System® is a minimally invasive catheter-based system designed to retrieve and remove clots in patients experiencing acute ischemic stroke. The Merci Retrieval System offers physicians an interventional option beyond standard lytic therapy for acute ischemic stroke patients.
Restoring Blood Flow
Clinical data show a strong correlation between restoring blood flow to the brain and better overall outcomes for stroke patients. This means that those who have blood flow restored are more often functioning independently and with less disability.
Restoring blood flow is a principal goal when treating ischemic stroke patients. In the Multi MERCI trial, the Merci Retriever® restored blood flow in 55% of patients when used alone, and 68% of the time when used in conjunction with other treatments. For every 3 patients treated with the Merci Retriever, blood flow was restored in approximately 2 patients, and of those 2 patients, one had little or no disability. Specifically, of the patients who had blood flow restored, 49% were functioning independently at their 90-day follow up with the doctor.1
In the Merci Registry, an extensive collection of cases in which the Merci Retriever was used, the revascularization rate was approximately 77% overall and is shown by vessel in the graph.2
References
1. Smith WS, Sung G, Saver JL, Budzik RF, Duckwiler G, Liebeskind DS, Lutsep HL, Rymer MM, Higashida RT, Starkman S, Gobin YP, and Multi MERCI Investigators. Mechanical Thrombectomy for Acute Ischemic Stroke. Final Results of the Multi MERCI Trial. Stroke(published online ahead of print February 28, 2008).
2. Data on file at Concentric Medical
APM0522_A_4343, 2010-08