Funnel actuation systems
AssigneeNeuravi Limited
InventorsRonald KELLY, Karl KEATING
Life of this patent
Estimating the term…
Abstract
According to the present disclosure, there is provided a device which can have a funnel catheter having an expandable distal tip. The funnel catheter can originally be placed in a collapsed configuration for delivery through vasculature to a target thrombus location. Once positioned, the expandable tip can be radially expanded to create a funnel for aspirating or retrieving clots from a vessel. The funnel catheter can be at least partially enclosed by an outer sheath for purposes of delivery to the target site or to assist in expansion of the funnel catheter tip.
Claims20
A device to retrieve an obstruction in a blood vessel, comprising:
- an outer sheath comprising a distal end, a proximal end, and an internal lumen extending proximal of the distal end and terminating at the proximal end;
- and
- a funnel catheter at least partially within the outer sheath, the funnel catheter comprising an expanding distal tip, a distal end located at the distal tip, and an internal lumen extending proximal of the distal end and at the proximal end, the device further comprising a funnel sheath enclosing at least a portion of the funnel catheter whereby at least a portion of the distal end of the funnel catheter extends distally into lumen of the outer sheath from the funnel sheath.
A device to retrieve an obstruction in a blood vessel, comprising:
- an outer sheath comprising a distal end, a proximal end, and an internal lumen extending proximal of the distal end and terminating at the proximal end;
- a funnel catheter comprising:
- an expanding distal tip;
- a distal end located at the distal tip;
- a proximal portion;
- and
- an internal lumen extending proximal of the distal end and at the proximal end, the device further comprising a funnel sheath enclosing at least a portion of the funnel catheter whereby at least a portion of the distal end of the funnel catheter extends distally into lumen of the outer sheath from the funnel sheath;
- and
- an outer lamination layer covering at least a portion of the funnel catheter.
The device of claim 15 further comprising a floating retaining sheath attached to the funnel catheter via the one or more pull wires.
A method for clot removal, comprising:
- advancing a device comprising a funnel catheter with an expandable distal tip into the vasculature;
- expanding the distal tip of the funnel catheter proximate a target thrombus;
- stimulating the thrombus into the mouth of the funnel catheter;
- and
- retrieving the funnel catheter with the captured thrombus through the vasculature and out of the patient.
Dependencies are inferred from the claim text.