US 12,708,392 B2 · Aspiration system and aspiration method

Abstract

An aspiration system is disclosed that is configured to capture and aspirate a thrombus flowing within a blood vessel and includes a capture device provided with an expandable capture unit and a capture wire extending from the capture unit, and an aspiration device provided with an aspiration tube and an aspiration port. The capture unit includes a plurality of linear members that is deformable and braided, a distal side coupler that couples distal portions of the plurality of linear members, and a proximal side coupler that couples proximal portions of the plurality of linear members and is coupled to the capture wire. The proximal side coupler includes an inner tube and an outer tube. The inner tube has a proximal portion located closer to the proximal side of the proximal side coupler than a proximal portion of the outer tube.

Claims10

Dependent claims

An aspiration method for capturing and aspirating an object flowing within a lumen of a living body, the aspiration method comprising:

inserting an aspiration device into the lumen of the living body;
inserting a capture device provided with an expandable capture unit and a capture wire extending from the capture unit into an inner cavity of the aspiration device and moving the capture device to a desired position;
inserting the capture wire through a lumen of an excision device and inserting the excision device into the inner cavity of the aspiration device and moving the excision device to a desired position;
excising a lesion with the excision device;
withdrawing the excision device from the aspiration device;
allowing the aspiration device to start aspiration of the object, or the excised lesion, captured by the capture unit;
and
allowing the capture wire and the aspiration device to move relatively in a distal direction and a proximal direction at a frequency of 2 times/second to 5 times/second.

5 more elements

An aspiration method for capturing and aspirating an object flowing within a lumen of a living body, the aspiration method comprising:

inserting an aspiration device into the lumen of the living body;
inserting a capture device provided with an expandable capture unit and a capture wire extending from the capture unit into an inner cavity of the aspiration device and moving the capture device to a desired position;
inserting the capture wire through a lumen of an excision device and inserting the excision device into the inner cavity of the aspiration device and moving the excision device to a desired position;
excising a lesion with the excision device;
allowing the capture wire and the aspiration device to move relatively in a distal direction and a proximal direction at a frequency of 2 times/second to 5 times/second;
and
allowing the aspiration device to start aspiration of the object, or the excised lesion, captured by the capture unit.

4 more elements

Dependencies are inferred from the claim text.

Aspiration system and aspiration method

Life of this patent

Aspiration system and aspiration method

Life of this patent

Abstract

Claims10