Crossflow thrombectomy catheter and system

Details Crossflow thrombectomy catheter and system Crossflow thrombectomy catheter and system

A - Human Necessities

61

B

A61B 17/22 (2006.01) A61M 1/00 (2006.01)

Patent

CA 2321221

Crossflow thrombectomy catheter and system for fragmentation and removal of thrombus or other material from blood vessels or other body cavities. High velocity saline jets emitted from a toroidal loop jet emanator or other jet emanator in a catheter distal end entrain fluid through inflow orifices, and with flow resistances create a back-pressure which drives crossflow streams through outflow orifices in a radial direction and thence radially and circumferentially to apply normal and drag forces on thrombotic deposits or lesions in the blood vessel or other body cavity, thereby breaking apart and transporting thrombus particles to be entrained through the inflow orifices, whereupon the high velocity jets macerate the thrombus particles which then transit an exhaust lumen or recirculate again via the outflow orifices.

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