Patents by Inventor Seung-Beom Yi
Seung-Beom Yi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240081986Abstract: A prosthetic heart valve includes an outer frame, a cover, an inner frame, and a valve structure. The outer frame includes a main body and an atrial flange. The main body includes a plurality of struts forming a plurality of circumferential rows of cells, a plurality of rows of barbs extending from junctions of the struts, the atrial flange extending radially outwardly and in an atrial direction from the inflow end of the main body. The atrial flange includes an oval shape corresponding to a shape of the patient's native mitral valve anatomy. The cover is disposed on a radially inner side of the atrial flange and on a radially outer side of the atrial flange. The inner frame is disposed within the outer frame and has a cylindrical shape. The valve structure is coupled to the inner frame and includes a plurality of leaflets.Type: ApplicationFiled: November 15, 2023Publication date: March 14, 2024Inventors: Travis Zenyo Oba, Seung-Beom Yi, Lauren R. Freschauf, Juan Valencia
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Patent number: 11911264Abstract: A prosthetic spacer assembly includes a spacer body, a first anchor, and a second anchor. The first anchor and the second anchor are each connected to the spacer body. The first anchor is configured to capture a first native valve leaflet between the first anchor and the spacer body. The second anchor is configured to capture a second native valve leaflet between the second anchor and the spacer body. When inside a delivery sheath, the first anchor and the second anchor can extend distally from the spacer body.Type: GrantFiled: September 10, 2020Date of Patent: February 27, 2024Assignee: EDWARDS LIFESCIENCES CORPORATIONInventors: Mark Chau, Marlowe E. Patterson, Seung-Beom Yi, Stephen C. Geist, Travis Zenyo Oba
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Patent number: 11850147Abstract: A prosthetic valve assembly includes a support structure and a valve component. The support structure includes a first frame and a sealing member. The first frame includes a lumen extending between inflow and outflow ends. The sealing member extends inwardly into the lumen of the first frame and includes a first end wall defining a first orifice, a second end wall axially spaced from the first end wall and defining a second orifice, and an inner sleeve extending axially from the first end wall to the second end wall and spaced radially inwardly from the first frame. The valve component includes a second frame and a valve structure supported inside of the second frame for permitting blood flow through the valve component in one direction and blocking blood flow in the opposite direction. The valve component is configured to expand within and engage the inner sleeve of the sealing member.Type: GrantFiled: October 9, 2019Date of Patent: December 26, 2023Assignee: EDWARDS LIFESCIENCES CORPORATIONInventors: Travis Zenyo Oba, Seung-Beom Yi, Lauren R. Freschauf, Juan Valencia
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Publication number: 20230285142Abstract: A system for replacing a native valve of the heart includes a delivery apparatus having a sheath and a prosthetic valve. The prosthetic valve includes a frame having an annular main body, a plurality of ventricular anchors attached to the main body, an atrial anchor attached to an atrial end portion of the main body, and a valve structure disposed within the main body of the frame. The prosthetic valve is disposed within a distal end portion of the sheath in a compressed, delivery state. When the prosthetic valve is deployed from the sheath, the main body of the frame radially expands to a radially expanded state, the ventricular anchors expand to a deployed state alongside the main body of the frame for capturing native leaflets of the native valve, and the atrial anchor expands to a deployed state extending radially outwardly from the main body.Type: ApplicationFiled: May 19, 2023Publication date: September 14, 2023Inventors: Mark Chau, Marlowe E. Patterson, Seung-Beom Yi, Stephen C. Geist, Travis Zenyo Oba
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Publication number: 20230263624Abstract: A prosthetic spacer assembly includes a spacer, a first anchor, and a second anchor. The first anchor and the second anchor are each connected to the spacer. The first anchor curves around the spacer when viewed from an upstream end. The second anchor curves around the spacer when viewed from the upstream end.Type: ApplicationFiled: April 21, 2023Publication date: August 24, 2023Inventors: MARK CHAU, Marlowe E. Patterson, Seung-Beom Yi, Stephen C. Geist, Travis Zenyo Oba
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Publication number: 20230190458Abstract: A prosthetic heart valve for implantation at a native heart valve includes a multi-part frame. The multi-part frame includes a cylindrical main body and a ventricular anchor component surrounding the main body. The main body includes a plurality of struts arranged in a lattice pattern. The ventricular anchor component is attached to the main body only at an outflow end of the main body and extends toward an inflow end of the main body. The prosthetic valve further includes a valve structure having three leaflets made from pericardium. The multi-part frame is radially compressible for delivery within a sheath of a delivery catheter and is self-expandable for deployment within an annulus of the native valve. The main body and the ventricular anchor component are formed separately and are attached by a locking mechanism for reducing strain between the main body and the ventricular anchor component.Type: ApplicationFiled: February 13, 2023Publication date: June 22, 2023Inventors: Mark Chau, Marlowe E. Patterson, Seung-Beom Yi, Stephen C. Geist, Travis Zenyo Oba
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Publication number: 20230181314Abstract: An implantable device or implant includes an anchor portion comprising one or more anchors. The anchors are configured to attach to one or more leaflets of a native heart valve. The anchors are configured to move between an open position and a closed position. The device or implant includes an indication feature that is movable between an allowable tension position and an exceeded tension position. When the anchors are attached to the leaflets of the native heart valve, the indication feature indicates to a user when an amount of force applied to the anchor portion by the leaflets of the native heart valve exceeds a pre-set or predetermined amount of force.Type: ApplicationFiled: February 13, 2023Publication date: June 15, 2023Inventors: Grant Matthew Stearns, Chris J. Okos, Seung-Beom Yi
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Patent number: 11660185Abstract: A prosthetic spacer assembly includes a spacer body, a first anchor, and a second anchor. The first anchor and the second anchor are each connected to the spacer body. The first anchor is configured to capture a first native valve leaflet between the first anchor and the spacer body. The second anchor is configured to capture a second native valve leaflet between the second anchor and the spacer body.Type: GrantFiled: December 13, 2019Date of Patent: May 30, 2023Assignee: EDWARDS LIFESCIENCES CORPORATIONInventors: Mark Chau, Marlowe E. Patterson, Seung-Beom Yi, Stephen C. Geist, Travis Zenyo Oba
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Publication number: 20230157814Abstract: A replacement mitral valve prosthesis includes a support structure and a valve body having three flexible leaflets. The support structure preferably includes an internal valve frame and an external sealing frame. The valve frame supports the flexible leaflets. The sealing frame is adapted to conform to the shape of the native mitral valve annulus. The sealing frame may be coupled to an inlet end of the valve frame, an outlet end of the valve frame, or both. A plurality of anchors is coupled to the outlet end of the valve frame. The anchors extend radially outwardly for placement behind native leaflets. The prosthesis preferably includes a skirt disposed along an exterior of the external sealing frame. The prosthesis is collapsible for delivery into the heart via a delivery catheter. The prosthesis is configured to self-expand for deployment in the heart when released from the delivery catheter.Type: ApplicationFiled: January 19, 2023Publication date: May 25, 2023Inventors: Travis Zenyo Oba, Matthew A. Peterson, Glen T. Rabito, Alexander H. Cooper, David Robert Landon, J. Brent Ratz, Seung-Beom Yi
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Patent number: 11583396Abstract: A prosthetic apparatus for implantation in a native heart valve includes a main body for placement within the native annulus. The main body is compressible to a radially compressed state for delivery into the heart and is self-expandable from the compressed state to a radially expanded state for implantation. A valve structure is mounted within a lumen of the main body and preferably forms three leaflets made of pericardium. Ventricular anchors are coupled to a ventricular end portion of the main body. The ventricular anchors are adapted to be straightened for delivery to the native heart valve and are biased to spring back to a pre-formed bent shape for capturing the native heart valve leaflets between the main body and the ventricular anchors. An atrial sealing member may be provided along an atrial portion of the main body for impeding the flow of blood between the main body and the native annulus.Type: GrantFiled: August 31, 2020Date of Patent: February 21, 2023Assignee: Edwards Lifesciences CorporationInventors: Mark Chau, Marlowe E. Patterson, Seung-Beom Yi, Stephen C. Geist, Travis Zenyo Oba
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Publication number: 20230046495Abstract: A replacement mitral valve prosthesis includes a support structure and a valve body having three flexible leaflets. The support structure preferably includes an internal valve frame and an external sealing frame. The valve frame supports the flexible leaflets. The sealing frame is adapted to conform to the shape of the native mitral valve annulus. The sealing frame may be coupled to an inlet end of the valve frame, an outlet end of the valve frame, or both. A plurality of anchors is coupled to the outlet end of the valve frame. The anchors extend radially outwardly for placement behind native leaflets. The prosthesis preferably includes a skirt disposed along an exterior of the external sealing frame. The prosthesis is collapsible for delivery into the heart via a delivery catheter. The prosthesis is configured to self-expand for deployment in the heart when released from the delivery catheter.Type: ApplicationFiled: November 3, 2022Publication date: February 16, 2023Inventors: Travis Zenyo Oba, Matthew A. Peterson, Glen T. Rabito, Alexander H. Cooper, David Robert Landon, J. Brent Ratz, Seung-Beom Yi
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Patent number: 11504229Abstract: A replacement mitral valve prosthesis includes a support structure and a valve body having three flexible leaflets. The support structure preferably includes an internal valve frame and an external sealing frame. The valve frame supports the flexible leaflets. The sealing frame is adapted to conform to the shape of the native mitral valve annulus. The sealing frame may be coupled to an inlet end of the valve frame, an outlet end of the valve frame, or both. A plurality of anchors is coupled to the outlet end of the valve frame. The anchors extend radially outwardly for placement behind native leaflets. The prosthesis preferably includes a skirt disposed along an exterior of the external sealing frame. The prosthesis is collapsible for delivery into the heart via a delivery catheter. The prosthesis is configured to self-expand for deployment in the heart when released from the delivery catheter.Type: GrantFiled: April 8, 2020Date of Patent: November 22, 2022Assignee: Edwards Lifesciences CorporationInventors: Travis Zenyo Oba, Matthew A. Peterson, Glen T. Rabito, Alexander H. Cooper, David Robert Landon, J. Brent Ratz, Seung-Beom Yi
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Publication number: 20220104940Abstract: A prosthesis can be configured to grasp intralumenal tissue when deployed within a body cavity and prevent axial flow of fluid around an exterior of the prosthesis. The prosthesis can include an expandable frame configured to radially expand and contract for deployment within the body cavity and a valve body. The expandable frame can include a frame body and a supplemental frame. The valve body can include a plurality of leaflets and one or more intermediate components. The one or more intermediate components can couple at least a portion of the leaflets to the expandable frame. The prosthesis can include an annular flap positioned around an exterior of the expandable frame.Type: ApplicationFiled: December 16, 2021Publication date: April 7, 2022Applicant: Edwards Lifesciences CorporationInventors: Matthew A. Peterson, Seung-Beom Yi, Siddharth Vad, Travis Zenyo Oba, Lauren R. Freschauf, Amanda French, Yaron Keidar, Yuanlong Du, Gregory Bak-Boychuk, Kevin M. Golemo, Alexander H. Cooper
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Patent number: 11224507Abstract: A heart valve prosthesis for replacing a native mitral valve includes a self-expanding frame with a plurality of anchoring members disposed along the lower region. A valve body is positioned within the self-expanding frame and includes a plurality of leaflets configured to allow blood flow through the self-expanding frame in only one direction. A skirt surrounds the self-expanding frame and is spaced apart therefrom for contacting surrounding tissue and impeding blood flow around the self-expanding frame. The skirt may be reinforced with wires to help maintain a desired shape. The leaflets in the valve body are preferably connected to the self-expanding frame through one or more intermediate components such that the valve body is spaced radially inwardly from an inner surface of the self-expanding frame.Type: GrantFiled: July 9, 2019Date of Patent: January 18, 2022Assignee: Edwards Lifesciences CorporationInventors: Matthew A. Peterson, Seung-Beom Yi, Siddharth Vad, Travis Zenyo Oba, Lauren R. Freschauf, Amanda French, Yaron Keidar, Yuanlong Du, Gregory Bak-Boychuk, Kevin M. Golemo, Alexander H. Cooper
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Publication number: 20210022856Abstract: A method for heart valve replacement comprises forming an incision in a wall of a ventricle of a heart and inserting a delivery apparatus and a prosthetic heart valve through the incision and into the ventricle of the heart. The prosthetic valve comprises a self-expanding frame having an annular main body and a valve member disposed within the annular main body. The prosthetic valve further comprises an atrial sealing member formed by an annular metal ring and a fabric, wherein only the fabric of the atrial sealing member is connected to the main body for enhancing the flexibility and conformability of the atrial sealing member. The method further comprises deploying the prosthetic valve from the delivery apparatus such that the atrial sealing member extends radially outwardly from the main body within an atrium of the heart and the main body self-expands to a deployed state within a native heart valve.Type: ApplicationFiled: October 8, 2020Publication date: January 28, 2021Inventors: Stephen C. Geist, Robert C. Taft, Travis Zenyo Oba, Sam Sok, Matthew A. Peterson, Kevin M. Golemo, Mark Chau, Seung-Beom Yi
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Publication number: 20200405477Abstract: A prosthetic spacer assembly includes a spacer body, a first anchor, and a second anchor. The first anchor and the second anchor are each connected to the spacer body. The first anchor is configured to capture a first native valve leaflet between the first anchor and the spacer body. The second anchor is configured to capture a second native valve leaflet between the second anchor and the spacer body. When inside a delivery sheath, the first anchor and the second anchor can extend distally from the spacer body.Type: ApplicationFiled: September 10, 2020Publication date: December 31, 2020Inventors: Mark Chau, Marlowe E. Patterson, Seung-Beom Yi, Stephen C. Geist, Travis Zenyo Oba
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Publication number: 20200397568Abstract: A prosthetic apparatus for implantation in a native heart valve includes a main body for placement within the native annulus. The main body is compressible to a radially compressed state for delivery into the heart and is self-expandable from the compressed state to a radially expanded state for implantation. A valve structure is mounted within a lumen of the main body and preferably forms three leaflets made of pericardium. Ventricular anchors are coupled to a ventricular end portion of the main body. The ventricular anchors are adapted to be straightened for delivery to the native heart valve and are biased to spring back to a pre-formed bent shape for capturing the native heart valve leaflets between the main body and the ventricular anchors. An atrial sealing member may be provided along an atrial portion of the main body for impeding the flow of blood between the main body and the native annulus.Type: ApplicationFiled: August 31, 2020Publication date: December 24, 2020Applicant: Edwards Lifesciences CorporationInventors: Mark Chau, Marlowe E. Patterson, Seung-Beom Yi, Stephen C. Geist, Travis Zenyo Oba
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Patent number: 10799347Abstract: An implantable prosthetic valve includes a radially collapsible and radially expandable annular frame. The frame includes an annular main body sized to be implanted within a native mitral valve annulus. The frame also includes an atrial sealing member coupled to and extending radially away from the main body. The atrial sealing member is sized to extend over tissue of the native mitral annulus within a left atrium to reduce paravalvular leakage. The atrial sealing member includes an inner zig-zag portion and an outer zig-zag portion. The inner zig-zag portion and the outer zig-zag portion are connected to the main body portion only via a fabric to enhance flexibility of the atrial sealing member relative to the main body. The prosthetic valve also includes a valve member disposed within an interior of the frame.Type: GrantFiled: June 19, 2020Date of Patent: October 13, 2020Assignee: Edwards Lifesciences CorporationInventors: Stephen C. Geist, Robert C. Taft, Travis Zenyo Oba, Sam Sok, Matthew A. Peterson, Kevin M. Golemo, Mark Chau, Seung-Beom Yi
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Publication number: 20200315792Abstract: An implantable prosthetic valve includes a radially collapsible and radially expandable annular frame. The frame includes an annular main body sized to be implanted within a native mitral valve annulus. The frame also includes an atrial sealing member coupled to and extending radially away from the main body. The atrial sealing member is sized to extend over tissue of the native mitral annulus within a left atrium to reduce paravalvular leakage. The atrial sealing member includes an inner zig-zag portion and an outer zig-zag portion. The inner zig-zag portion and the outer zig-zag portion are connected to the main body portion only via a fabric to enhance flexibility of the atrial sealing member relative to the main body. The prosthetic valve also includes a valve member disposed within an interior of the frame.Type: ApplicationFiled: June 19, 2020Publication date: October 8, 2020Inventors: Stephen C. Geist, Robert C. Taft, Travis Zenyo Oba, Sam Sok, Matthew A. Peterson, Kevin M. Golemo, Mark Chau, Seung-Beom Yi
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Publication number: 20200297481Abstract: A replacement mitral valve prosthesis includes a support structure and a valve body having three flexible leaflets. The support structure preferably includes an internal valve frame and an external sealing frame. The valve frame supports the flexible leaflets. The sealing frame is adapted to conform to the shape of the native mitral valve annulus. The sealing frame may be coupled to an inlet end of the valve frame, an outlet end of the valve frame, or both. A plurality of anchors is coupled to the outlet end of the valve frame. The anchors extend radially outwardly for placement behind native leaflets. The prosthesis preferably includes a skirt disposed along an exterior of the external sealing frame. The prosthesis is collapsible for delivery into the heart via a delivery catheter. The prosthesis is configured to self-expand for deployment in the heart when released from the delivery catheter.Type: ApplicationFiled: April 8, 2020Publication date: September 24, 2020Inventors: Travis Zenyo Oba, Matthew A. Peterson, Glen T. Rabito, Alexander H. Cooper, David Robert Landon, J. Brent Ratz, Seung-Beom Yi