Retrieval devices for vena cava filter
AssigneeSciMed Life Systems, Inc.
InventorsNaroun Suon, James Weldon
Life of this patent
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Abstract
A device for removing a thrombus filter from a blood vessel is disclosed. A device in accordance with the present invention includes a shaft having a proximal end, a distal end, and a lumen extending therethrough, a wire having a first end and a second end, the wire being partially disposed within the lumen of the shaft, a portion of the wire extending beyond the distal end of the shaft and forming a loop, and a portion of the wire extending beyond the proximal end of the shaft.
Claims28
A device for removing a thrombus filter from a blood vessel, comprising:
- a shaft having a proximal end, a distal end, and a lumen extending therethrough;
- a wire having a first end and a second end;
- the wire being partially disposed within the lumen of the shaft;
- a portion of the wire extending beyond the distal end of the shaft and forming a loop;
- and
- a portion of the wire extending beyond the proximal end of the shaft.
A device for removing a thrombus filter from a blood vessel, comprising:
- a sheath having a proximal end, a distal end, and a lumen extending therethrough;
- a shaft disposed within the lumen of the sheath;
- the shaft having a proximal end, a distal end, and a lumen extending therethrough;
- a wire having a first end and a second end;
- the wire being partially disposed within the lumen of the shaft;
- a portion of the wire extending beyond the distal end of the shaft and forming a loop;
- and
- a portion of the wire extending beyond the proximal end of the shaft.
A device for removing a thrombus filter from a blood vessel, comprising:
- a catheter having a proximal end, a distal end, and a lumen extending therethrough;
- a shaft disposed within the lumen of the catheter;
- the shaft having a proximal end, a distal end, and a lumen extending therethrough;
- a plurality of elongate members each having a proximal end, and a distal portion terminating at a distal end;
- a portion of each elongate member being disposed within the lumen of the shaft;
- the distal portion of each elongate member extending beyond the distal end of the shaft;
- and
- the distal portion of each elongate member including a plurality of bends such that the distal portions of the elongate members form a claw.
Dependencies are inferred from the claim text.