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US 7,534,251 B2Granted
Retrievable IVC filter
AssigneeBoston Scientific Scimed, Inc.
InventorJoel M. WasDyke
Life of this patent
Estimating the term…
Abstract
Retrievable vena cava filters for filtering blood clots within a vessel are disclosed. A retrievable vena cava filter in accordance with an exemplary embodiment of the present invention may include a plurality of elongated filter legs each having a hook portion configured to engage the vessel wall, and an expandable member releasably connected to the filter. In certain embodiments, the expandable member may comprise a bendable member and several tubular members, or a coiled wire.
Claims14
A retrievable vena cava filter, comprising:
- a plurality of elongated filter legs each having a proximal section and a distal section;
- and
- an expandable member releasably connected to the filter legs, the expandable member including a plurality of anchor members;
- wherein said expandable member comprises a bendable member and a plurality of tubular members.
1 more element
A retrievable vena cava filter, comprising:
- an apical head;
- a plurality of elongated filter legs each having a proximal section and a distal section, the proximal section of said plurality of elongated filter legs being secured to the apical head, the distal section of said plurality of elongated filter legs including a hook portion configured to releasably secure the vena cava filter to the wall of a blood vessel;
- and
- an expandable member comprising a bendable member and a plurality of tubular members each having an inner lumen configured to slidably receive one of the elongated filter legs, and including piercing means for securing the tubular member to the vessel wall.
1 more element
Dependencies are inferred from the claim text.