Patent ID: 8702747
Filing Date: 2014-04-22
Classification: A61F

Abstract:
1. An intravascular filter having an expanded state for capturing thrombi in a patient's blood vessel and a collapsed state for removal from the patient's vasculature, the filter comprising: a plurality of struts, each strut having a connected end, a free end, and a filtering portion disposed between the connected end and the free end, the connected ends of the struts being attached together along a longitudinal axis, the struts generally extending in a second direction from the connected ends to the free ends; a shaft disposed along the longitudinal axis, the shaft having a first end disposed with the connected ends of the struts and a second end, the shaft extending in the second direction from the first end to the second end; a first cuff slidably disposed on the shaft, the first cuff having a first position and a second position along the shaft, the second position being disposed in the second direction from the first position; and a second cuff disposed over the struts and connected to the first cuff, the second cuff having a third position and a fourth position over the struts, the second cuff being disposed in the third position when the first cuff is in the first position and in the fourth position when the first cuff is in the second position, the second cuff being disposed in a first direction relative to the filtering portions of the struts when the second cuff is in the third position, the second cuff being disposed over the filtering portions of the struts when the second cuff is in the fourth position, such that the filter may be in the expanded state when the first cuff is in the first position and is in the collapsed state when the first cuff is in the second position.