Expandable cages for embolic filtering devices
a filter device and expandable technology, applied in the field of filtering devices, can solve the problems of affecting the patient's health, affecting the patient's treatment, and releasing emboli into the circulatory system can be extremely dangerous and sometimes fatal, and achieve the effects of convenient deployment, high flexibility, and sufficient strength
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[0041] Turning now to the drawings, in which like reference numerals represent like or corresponding elements in the drawings, FIGS. 1 and 2 illustrate one particular embodiment of an embolic filtering device 20 incorporating features of the present invention. This embolic filtering device 20 is designed to capture embolic debris which may be created and released into a body vessel during an interventional procedure. The embolic filtering device 20 includes an expandable filter assembly 22 having a self-expanding basket or cage 24 and a filter element 26 attached thereto. In this particular embodiment, the expandable filter assembly 22 is rotatably mounted on the distal end of an elongated (solid or hollow) cylindrical tubular shaft, such as a guide wire 28. The expandable filter assembly could also be attached directly onto the guide wire, so as not to rotate independently of the guide wire. The guide wire has a proximal end (not shown) which extends outside the patient and is mani...
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