Catheter pump
OwnerOyvind Reitaninventor
Life of this patent
Estimating the term…
Abstract
Implantable catheter pumps are disclosed including a drive cable, with one end of the drive cable being connectable to a drive source, a collapsible drive propeller at the other end of the drive cable, with the collapsible drive propeller being adjustable between a closed configuration in which the collapsible drive propeller is collapsed upon the drive cable and an open configuration in which the collapsible drive propeller is expanded so as to be operative as an impeller, and a sleeve extending between one side of the collapsible drive propeller and the other side of the collapsible drive propeller with the sleeve being movable between configurations in which the collapsible drive propeller is in the open and closed configuration.
Claims25
An implantable catheter pump for pumping blood comprising a drive cable including a first end and a second end, said first end of said drive cable being connectable to a drive source, a collapsible drive propeller attached proximate to said second end of said drive cable, means for adjusting said collapsible drive propeller between a closed configuration in which said collapsible drive propeller is collapsed upon said drive cable and an open configuration in which said collapsible drive propeller is expanded so as to be operative as an impeller, and elongated sleeve means extending between a first location on said drive cable on a first side of said collapsible drive propeller and a second location on said drive cable on a second side of said collapsible drive propeller thereby surrounding said collapsible drive propeller, said elongated sleeve means movable between a first configuration proximate to said drive cable when said collapsible drive propeller is in said closed configuration and a second configuration expanded about said drive cable for accommodating said collapsible drive propeller in said open configuration said sleeve means further having an open configuration thereby permitting said blood to flow through said sleeve means and said collapsible drive propeller when said collapsible drive propeller is in said open configuration.
An implantable catheter pump for pumping blood comprising a drive cable including a first end and a second end, said first end of said drive cable being connectable to a drive source, a collapsible drive propeller attached proximate to said second end of said drive cable, means for adjusting said collapsible drive propeller between a closed configuration in which said collapsible drive propeller is collapsed upon said drive cable and an open configuration in which said collapsible drive propeller is expanded so as to be operative as an impeller, and elongated sleeve means comprising a plurality of filament members extending between a first location on said drive cable on a first side of said collapsible drive propeller and a second location on said drive cable on a second side of said collapsible drive propeller thereby surrounding said collapsible drive propeller, said elongated sleeve means movable between a first configuration proximate to said drive cable when said collapsible drive propeller is in said closed configuration and a second configuration expanded about said drive cable for accommodating said collapsible drive propeller in said open configuration.
An implantable catheter pump for pumping blood comprising a drive cable including a first end and a second end, said first end of said drive cable being connectable to a drive source, a collapsible drive propeller attached proximate to said second end of said drive cable, means for adjusting said collapsible drive propeller between a closed configuration in which said collapsible drive propeller is collapsed upon said drive cable and an open configuration in which said collapsible drive propeller is expanded so as to be operative as an impeller, and elongated sleeve means extending between a first location on said drive cable on a first side of said collapsible drive propeller and a second location on said drive cable on a second side of said collapsible drive propeller thereby surrounding said collapsible drive propeller, said elongated sleeve means movable between a first configuration proximate to said drive cable when said collapsible drive propeller is in said closed configuration and a second configuration expanded about said drive cable for accommodating said collapsible drive propeller in said open configuration, said elongated sleeve means being attached to said drive cable at said first location, and said drive cable being axially displaceable to expand said elongated sleeve means from said first configuration to said second configuration around said collapsible drive propeller.
An implantable catheter pump for pumping blood comprising a drive cable including a first end and a second end, said first end of said drive cable being connectable to a drive source, a collapsible drive propeller attached proximate to said second end of said drive cable, means for adjusting said collapsible drive propeller between a closed configuration in which said collapsible drive propeller is collapsed upon said drive cable and an open configuration in which said collapsible drive propeller is expanded so as to be operative as an impeller, and elongated sleeve means extending between a first location on said drive cable on a first side of said collapsible drive propeller and a second location on said drive cable on a second side of said collapsible drive propeller thereby surrounding said collapsible drive propeller, said elongated sleeve means movable between a first configuration proximate to said drive cable when said collapsible drive propeller is in said closed configuration and a second configuration expanded about said drive cable for accommodating said collapsible drive propeller in said open configuration, said drive cable being axially displaceable, and said collapsible drive propeller being adjustable between said closed configuration and said open configuration by axial displacement of said drive cable.
An implantable catheter pump for pumping blood comprising a drive cable including a first end and a second end, said drive cable comprising an inner core and an outer reinforcement surrounding said inner core, said outer reinforcement being axially displaceable with respect to said inner core, said first end of said drive cable being connectable to a drive source, a collapsible drive propeller attached proximate to said second end of said drive cable, means for adjusting said collapsible drive propeller between a closed configuration in which said collapsible drive propeller is collapsed upon said drive cable and an open configuration in which said collapsible drive propeller is expanded so as to be operative as an impeller, and elongated sleeve means extending between a first location on said drive cable on a first side of said collapsible drive propeller and a second location on said drive cable on a second side of said collapsible drive propeller thereby surrounding said collapsible drive propeller, said elongated sleeve means movable between a first configuration proximate to said drive cable when said collapsible drive propeller is in said closed configuration and a second configuration expanded about said drive cable for accommodating said collapsible drive propeller in said open configuration.
Dependencies are inferred from the claim text.