Patents by Inventor Olli Keränen

Olli Keränen 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).

  • Publication number: 20240115385
    Abstract: A device for repairing a heart valve comprises a medical device (10). The medical device (10) comprises an element in order to downsize the annulus upon insertion and allow the leaflets to open and close properly. The medical device (10) provides a temporary or permanent downsizing of the heart valve. An annuloplasty implant and/or heart valve prosthesis is in embodiments releasably attached to the medical device for insertion to the annulus and permanent fixation of the latter in a desired shape.
    Type: Application
    Filed: December 20, 2023
    Publication date: April 11, 2024
    Inventors: Olli Keränen, Per Antonsson
  • Patent number: 11938026
    Abstract: A method for repairing a defective heart valve includes directing a delivery catheter to form a first curve around the heart valve at a first side of the heart valve leaflets and forming a second curve of the delivery catheter around the heart valve on a second side of the heart valve leaflets. The first and second curves are connected through a commissure of the heart valve and an annuloplasty implant is ejected from the delivery catheter while the delivery catheter is retracted such that the annuloplasty implant is arranged along the first and second curve.
    Type: Grant
    Filed: January 12, 2022
    Date of Patent: March 26, 2024
    Assignee: HVR Curdio Oy
    Inventors: Hans-Reinhard Zerkowski, Olli Keränen
  • Publication number: 20240024108
    Abstract: An annuloplasty device is disclosed comprising a removable and flexible elongate displacement unit insertion into a coronary sinus (CS) adjacent the mitrel valve, a proximal reversibly expandable portion being reversibly foldable to an expanded state for positioning against a tissue wall at the entrance of the CS, a distal anchoring portion being movable in relation to the proximal expandable portion in a longitudinal direction of the displacement unit to an activated state in which the shape of the annulus is modified to a modified shape, a stent arranged around the displacement unit and being movable relative the displacement unit along the longitudinal direction for insertion into the CS, and wherein the stent is releasably connected to a delivery device and arranged radially between the displacement unit and the proximal expandable portion in a radial direction.
    Type: Application
    Filed: December 8, 2021
    Publication date: January 25, 2024
    Inventor: Olli Keränen
  • Publication number: 20240016606
    Abstract: An annuloplasty device is disclosed comprising first and second support rings having a coiled configuration in which the first and second support rings are arranged as a coil around a central axis, wherein the first and second support rings are configured to be arranged on opposite sides of native heart valve leaflets of a heart valve, a stent arranged around at least a portion of the first and/or second support ring, and wherein the stent comprises retention units. A related method of repairing a defective heart valve is also disclosed.
    Type: Application
    Filed: October 31, 2021
    Publication date: January 18, 2024
    Inventor: Olli Keränen
  • Patent number: 11865001
    Abstract: A device for repairing a heart valve includes a medical device. The medical device comprises an element in order to downsize the annulus upon insertion and allow the leaflets to open and close properly. The medical device provides a temporary or permanent downsizing of the heart valve. An annuloplasty implant and/or heart valve prosthesis is releasably attached to the medical device for insertion to the annulus and permanent fixation of the latter in a desired shape.
    Type: Grant
    Filed: February 6, 2021
    Date of Patent: January 9, 2024
    Assignee: HVR Cardio Oy
    Inventors: Olli Keränen, Per Antonsson
  • Patent number: 11839538
    Abstract: The present disclosure relates to an arrangement, a loop-shaped support, a prosthetic heart valve and a method of repairing or replacing a native heart valve. With the method or the arrangement, leakage or regurgitation between a prosthetic heart valve and the surrounding valve tissue is prevented. In one embodiment, an arrangement for replacement or repair of a native heart valve is provided, which comprises a loop-shaped support 41 and a prosthetic heart valve 70 and wherein an outer segment 32 of the loop-shaped support 41 is positionable towards surrounding valve tissue of a native heart valve and wherein an outer surface 74 of the prosthetic heart valve 70 is positionable towards an inner segment 34 of the loop-shaped support 41 so as to prevent paravalvular leakage or regurgitation between the prosthetic heart valve 70 and the surrounding valve tissue of the native heart valve.
    Type: Grant
    Filed: May 2, 2021
    Date of Patent: December 12, 2023
    Assignee: HVR Cardio Oy
    Inventor: Olli Keränen
  • Patent number: 11793641
    Abstract: An annuloplasty device is disclosed for treating a defective mitral valve having an annulus, comprising a removable and flexible elongate displacement unit for temporary insertion into a coronary sinus (CS) adjacent the valve, wherein the displacement unit has a delivery state for delivery into the CS, and an activated state to which the displacement unit is temporarily and reversibly transferable from said delivery state, the displacement unit comprises a proximal reversibly expandable portion, a distal anchoring portion being movable in relation to the proximal expandable portion in a longitudinal direction of the displacement unit to said activated state in which the shape of the annulus is modified to a modified shape, wherein the proximal expandable portion is reversibly foldable to an expanded state for positioning against a tissue wall at the entrance of the CS.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: October 24, 2023
    Inventors: Olli Keränen, Jouko Vallikari, Hans-Reinhard Zerkowski
  • Patent number: 11730599
    Abstract: An annuloplasty device is disclosed for treating a defective mitral valve having an annulus, comprising a removable and flexible elongate displacement unit for temporary insertion into a coronary sinus (CS) adjacent the valve, wherein the displacement unit has a delivery state for delivery into the CS, and an activated state to which the displacement unit is temporarily and reversibly transferable from said delivery state, the displacement unit comprises a proximal reversibly expandable portion, a distal anchoring portion being movable in relation to the proximal expandable portion in a longitudinal direction of the displacement unit to said activated state in which the shape of the annulus is modified to a modified shape, wherein the proximal expandable portion is reversibly foldable to an expanded state for positioning against a tissue wall at the entrance of the CS, and wherein the distal anchoring portion comprises an inflatable unit.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: August 22, 2023
    Assignee: HVR Cardio Oy
    Inventors: Olli Keränen, Hans-Reinhard Zerkowski, Jouko Vallikari
  • Publication number: 20230255771
    Abstract: An annuloplasty device is disclosed comprising first and second support rings having a coiled configuration, and respective first and second retention units, the first support ring transitions to the second support ring over a transition section, the transition section is adapted to be arranged at a commissure of the heart valve leaflets, a first posterior bow of the first support ring and a second posterior bow of the second support ring extend in respective first and second coil planes being essentially perpendicular to the central axis, the transition section bends at least partly along the central axis so that the first coil plane is separated a distance from the second coil plane along the central axis at the transition section.
    Type: Application
    Filed: January 13, 2021
    Publication date: August 17, 2023
    Inventor: Olli Keränen
  • Patent number: 11712338
    Abstract: Disclosed is a medical system for short time replacement and repair of a native valve, which comprises an artificial valve (502); and a device for collecting and arranging chordae and/or leaflets to hold and/or stabilize the artificial valve in a desired position, the device comprising: a unit for grasping a plurality of chordae and/or leaflets. The system and/or device allows for fast and easy replacement of a native valve, fast and easy positioning of a temporary artificial valve, and more time for medical personnel to make decisions, prepare and/or perform surgery/medical intervention.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: August 1, 2023
    Assignee: Medtentia International Ltd Oy
    Inventors: Olli Keränen, Jani Virtanen, Mark Pugh, Ger O'Carroll, Adrian Moran
  • Patent number: 11696829
    Abstract: A method of repairing a defective heart valve is disclosed including directing an implant delivery catheter to form a first curve of the implant delivery catheter around chordae of the heart valve on a ventricular side of the heart valve, inserting the implant delivery catheter through the heart valve to an atrial side thereof, forming a second curve of the delivery catheter along an annulus of the heart valve on the atrial side, and ejecting an annuloplasty implant from the delivery catheter while retracting the delivery catheter such that the annuloplasty implant is arranged along the first and second curve on the ventricular and atrial side.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: July 11, 2023
    Assignee: Medtentia International Ltd Oy
    Inventors: Hans-Reinhard Zerkowski, Olli Keränen, Jani Virtanen
  • Patent number: 11554014
    Abstract: A device for improving the function of a heart valve comprises a first loop-shaped support, which is configured to abut a first side of the heart valve, and a first flange unit being connected to said first loop-shaped support. The flange unit is configured to be arranged against said annulus when said first loop-shaped support is abutting said heart valve.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: January 17, 2023
    Assignee: Medtentia International Ltd. Oy
    Inventor: Olli Keränen
  • Patent number: 11547563
    Abstract: An annuloplasty device is disclosed comprising first and second support rings being configured to be arranged as a coil in a first configuration around an axial direction, wherein the first and second support rings are configured to be arranged on opposite sides of native heart valve leaflets of a heart valve, wherein the first and second support rings are separated with a first pitch distance in the axial direction, in the first configuration, wherein the first and second support rings are configured to assume a contracted state having a second pitch distance in the axial direction being shorter than the first pitch distance, and wherein the first and second support rings are configured to be transferable between the first configuration and the contracted state to pinch the heart valve leaflets. A method of repairing a defective heart valve is also disclosed.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: January 10, 2023
    Assignee: Medtentia International Ltd. Oy
    Inventors: Olli Keränen, Hans-Reinhard Zerkowski, Johannes Jung
  • Publication number: 20230000625
    Abstract: A system for annuloplasty is disclosed comprising an annuloplasty device comprising first and second support rings having a coiled configuration in which the first and second support rings are arranged as a coil around a central axis, wherein the first and second support rings are configured to be arranged on opposite sides of native heart valve leaflets of a heart valve, a line attached to the first and/or second support ring, and a heating element configured to be heated upon receiving a supply of energy, wherein the heating element is positionable to heat and sever the line upon the heating element receiving said energy.
    Type: Application
    Filed: November 30, 2020
    Publication date: January 5, 2023
    Inventors: Olli Keränen, Jani Virtanen
  • Publication number: 20220409371
    Abstract: An annuloplasty device is disclosed comprising first and second support rings having a coiled configuration in which the first and second support rings are arranged as a coil around a central axis, wherein the first and second support rings are configured to be arranged on opposite sides of native heart valve leaflets of a heart valve, the first and second support rings have respective free ends, a line attached at a proximal connection at a proximal tip of a first end of one of the free ends. A method of retrieving an annuloplasty device from an implantation site at a heart valve is disclosed.
    Type: Application
    Filed: November 30, 2020
    Publication date: December 29, 2022
    Inventor: Olli Keränen
  • Publication number: 20220409373
    Abstract: A catheter for changing or manipulating a shape of a surrounding anatomical structure or position the catheter in relation to said surrounding anatomical structure has distal and proximal ends. Further the catheter includes at least a first body extending along the catheter in the distal end portion of the catheter, wherein said body has an activated state and inactivated state. In said activated state a second diameter or a second volume of the body is bigger than a first diameter or a first volume of the body in said inactivated state. In addition, in said activated state said body is configured to support the catheter to an anatomical structure surrounded the catheter, such as e.g. chordae, blood vessel or urethra, and thereby change a relative position of the catheter and the surrounding anatomical structure and again to change or manipulate the shape of the surrounding anatomical structure or position the catheter in relation to said surrounding anatomical structure.
    Type: Application
    Filed: November 18, 2020
    Publication date: December 29, 2022
    Inventor: Olli KERÄNEN
  • Patent number: 11510781
    Abstract: An annuloplasty implant is disclosed comprising first and second support rings arranged in a coiled configuration around an axial direction, and being adapted to be arranged on opposite sides of native heart valve leaflets to pinch said leaflets. At least part of said first and second support ring is formed from a carbon fiber material. The first and second support rings are resiliently movable with respect to each other in opposite directions along said axial direction. A method of manufacturing an annuloplasty implant is also disclosed.
    Type: Grant
    Filed: May 22, 2018
    Date of Patent: November 29, 2022
    Inventors: Hans-Reinhard Zerkowski, Olli Keränen
  • Patent number: 11504230
    Abstract: The present disclosure relates to an arrangement, a loop-shaped support, a prosthetic heart valve and a method of repairing or replacing a native heart valve. With the method or the arrangement, leakage or regurgitation between a prosthetic heart valve and the surrounding valve tissue is prevented. In one embodiment, an arrangement for replacement or repair of a native heart valve is provided, which comprises a loop-shaped support 41 and a prosthetic heart valve 70 and wherein an outer segment 32 of the loop-shaped support 41 is positionable towards surrounding valve tissue of a native heart valve and wherein an outer surface 74 of the prosthetic heart valve 70 is positionable towards an inner segment 34 of the loop-shaped support 41 so as to prevent paravalvular leakage or regurgitation between the prosthetic heart valve 70 and the surrounding valve tissue of the native heart valve.
    Type: Grant
    Filed: May 2, 2021
    Date of Patent: November 22, 2022
    Inventor: Olli Keränen
  • Patent number: 11491008
    Abstract: An annuloplasty device is disclosed comprising first and second support rings having a coiled configuration, and respective first and second retention units, the first support ring transitions to the second support ring over a transition section, the transition section is adapted to be arranged at a commissure of the heart valve leaflets, the first and second support rings extend in respective first and second coil planes being essentially perpendicular to the central axis, the transition section bends at least partly along the central axis so that the first coil plane is separated a distance from the second coil plane along the central axis at the transition section.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: November 8, 2022
    Inventors: Olli Keränen, Hans-Reinhard Zerkowski, Johannes Jung, Jani Virtanen
  • Publication number: 20220346953
    Abstract: An annuloplasty device is disclosed for treating a defective mitral valve having an annulus, comprising a removable and flexible elongate displacement unit for temporary insertion into a coronary sinus (CS) adjacent the valve, wherein the displacement unit has a delivery state for delivery into the CS, and an activated state to which the displacement unit is temporarily and reversibly transferable from said delivery state, the displacement unit comprises a proximal reversibly expandable portion, a distal anchoring portion being movable in relation to the proximal expandable portion in a longitudinal direction of the displacement unit to said activated state in which the shape of the annulus is modified to a modified shape, wherein the proximal expandable portion is reversibly foldable to an expanded state for positioning against a tissue wall at the entrance of the CS.
    Type: Application
    Filed: March 30, 2020
    Publication date: November 3, 2022
    Inventors: Olli Keränen, Jouko Vallikari, Hans-Reinhard Zerkowski