Rotary atherectomy or thrombectomy device with centrifugal...

Details Rotary atherectomy or thrombectomy device with centrifugal... Rotary atherectomy or thrombectomy device with centrifugal...

A - Human Necessities

61

M

A61M 29/00 (2006.01) A61B 17/22 (2006.01) A61B 17/32 (2006.01)

Patent

CA 2085509

The atherectomy or thrombectomy device according to the invention comprises a rotary member composed of flexible filiform elements, which are joined by their two ands, the distal end and the proximal end; it contains no mechanical means for bringing said ands closer and the speed of rotation of the rotary member is sufficient, notably higher than 30,000 revs/min, to achieve the transversal expansion of the filiform elements under the effect of the centrifugal force. Preferably, the rotary member is constituted by a conduit, such as a conduit in polytetrafluoroethylene provided with one or two sets of longitudinal slits symmetricaly distributed over its periphery and defining flexible strips.

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