Riveted stent valve for percutaneous use
AssigneeMedtronic Vascular, Inc.
InventorJeffrey W. Allen
Life of this patent
Estimating the term…
Abstract
A system and method for treating a vascular condition includes a conduit having an inner wall defining lumen and a replacement valve device. The replacement valve device includes a prosthetic valve connected to an expandable support structure; the expandable support structure includes at least one valve attachment portion and a plurality of valve attachment devices. Each valve attachment portion includes a plurality of struts, each strut having at least one opening for receiving one of the plurality of valve attachment devices.
Claims19
A vascular valve replacement system, the system comprising:
- a replacement valve device, the replacement valve device including a prosthetic valve connected to an expandable support structure, the expandable support structure including at least one valve attachment portion, each valve attachment portion having a plurality of struts, and each strut having at least one opening for receiving a valve attachment device;
- and
- a plurality of valve attachment devices;
- wherein the valve attachment device comprises a head portion, a pin portion and a flange portion and wherein the flange portion comprises a shape memory material, the flange portion having a delivery configuration and an attachment configuration.
A system for treating a vascular condition, comprising:
- a conduit operably attached to a vessel, the conduit including an inner wall defining a lumen;
- a delivery catheter;
- a replacement valve device disposed on the delivery catheter, the replacement valve device including a prosthetic valve connected to an expandable support structure, the expandable support structure including at least one valve attachment portion;
- and
- a plurality of valve attachment devices,
- wherein each valve attachment portion includes a plurality of struts, each strut having at least one opening for receiving one of the plurality of valve attachment devices,
- wherein the valve attachment device comprises a head portion, a pin portion and a flange portion, and
- wherein the pin portion includes a barb for penetrating the inner wall of the conduit.
A system for treating a vascular condition, comprising:
- a conduit operably attached to a vessel, the conduit including an inner wall defining a lumen;
- a delivery catheter;
- a replacement valve device disposed on the delivery catheter, the replacement valve device including a prosthetic valve connected to an expandable support structure, the expandable support structure including at least one valve attachment portion;
- and
- a plurality of valve attachment devices,
- wherein each valve attachment portion includes a plurality of struts, each strut having at least one opening for receiving one of the plurality of valve attachment devices,
- wherein the valve attachment device comprises a head portion, a pin portion and a flange portion, and
- wherein the flange portion comprises a shape memory material, the flange portion having a delivery configuration and an attachment configuration.
A method for treating a vascular condition, the method comprising:
- inserting a conduit into a target region of a vascular system, the conduit having an inner wall defining a conduit lumen;
- delivering a stented valve into the conduit lumen, the stented valve including a prosthetic valve connected to an expandable support structure by a plurality of attachment devices each attachment device having a head portion, a pin portion and a flange portions wherein the flange portion comprises a shape memory material, the flange portion having a delivery configuration and an attachment configuration, the expandable support structure including at least one valve attachment portion, each valve attachment portion having a plurality of struts, and each strut having at least one opening for receiving a valve attachment device;
- and
- expanding the stented valve into contact with the inner wall of the conduit.
Dependencies are inferred from the claim text.