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US 2012/0071987 A1Published application
Removable and/or retrievable stents and kits
AssigneeMayo Foundation for Medical Education and Research
InventorMichael J. Levy
Life of this patent
Estimating the term…
Abstract
Stents, kits and methods of using the stents are described herein. The stents may include one or more features that assist in removal and/or retrieval of the stent after deployment.
Claims20
An implantable stent comprising:
- a body comprising a first end and a second end, wherein a lumen extends through the body from the first end to the second end;
- and
- a removal element fixedly attached to the stent and extending away from the first end of the body, wherein the removal element comprises a first configuration in which the removal element has a first size mass and a second configuration in which the removal element has a second mass, wherein the first mass is smaller than the second mass.
An implantable stent comprising:
- a body comprising a first end and a second end, wherein a lumen extends through the body from the first end to the second end;
- and
- a removal element fixedly attached to the stent and extending away from the first end of the body, wherein the removal element comprises a first configuration in which the removal element has a first size and a second configuration in which the removal element has a second size, wherein the first size is smaller than the second size, and wherein the removal element comprises a self-expanding structure that is constrained in the first configuration;
- and further wherein the removal element is not constrained in the second configuration.
1 more element
An implantable stent comprising:
- a body comprising a first end and a second end, wherein a lumen extends through the body from the first end to the second end;
- and
- a removal element comprising a flexible tether attached to the body, wherein the removal element further comprises a bead attached to the flexible tether.
An implantable stent comprising:
- a body comprising a first end and a second end, wherein a lumen extends through the body from the first end to the second end;
- and
- a removal element comprising a mesh sleeve attached to the body of the stent.
Dependencies are inferred from the claim text.