Patents by Inventor Olli Keranen
Olli Keranen 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: 20240115385Abstract: 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: ApplicationFiled: December 20, 2023Publication date: April 11, 2024Inventors: Olli Keränen, Per Antonsson
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Patent number: 11938026Abstract: 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: GrantFiled: January 12, 2022Date of Patent: March 26, 2024Assignee: HVR Curdio OyInventors: Hans-Reinhard Zerkowski, Olli Keränen
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Publication number: 20240074859Abstract: An annuloplasty implant is disclosed comprising first and second support members having a coiled configuration in which the first and second support members are arranged as a coil, with two free ends, around a central axis, wherein, in said coiled configuration, said two free ends are displaced from each other with a peripheral off-set distance extending in a coil plane, said coil plane being substantially parallel to an annular periphery of said coil and perpendicular to said central axis, wherein the first and second support members and the respective free ends are configured to be arranged on opposite sides of native heart valve leaflets of a heart valve. A method of implanting an annuloplasty implant at a target site in the heart is also disclosed.Type: ApplicationFiled: September 13, 2023Publication date: March 7, 2024Inventors: Hans-Reinhard ZERKOWSKI, Olli KERANEN, Ger O'CARROL, Mark PUGH, Jake O'REGAN, Stuart DEANE
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Publication number: 20240041604Abstract: 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: ApplicationFiled: August 18, 2023Publication date: February 8, 2024Inventors: Olli KERANEN, Hans-Reinhard ZERKOWSKI, Jouko VALLIKARI
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Publication number: 20240024108Abstract: 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: ApplicationFiled: December 8, 2021Publication date: January 25, 2024Inventor: Olli Keränen
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Publication number: 20240016606Abstract: 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: ApplicationFiled: October 31, 2021Publication date: January 18, 2024Inventor: Olli Keränen
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Patent number: 11865001Abstract: 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: GrantFiled: February 6, 2021Date of Patent: January 9, 2024Assignee: HVR Cardio OyInventors: Olli Keränen, Per Antonsson
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Patent number: 11839538Abstract: 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: GrantFiled: May 2, 2021Date of Patent: December 12, 2023Assignee: HVR Cardio OyInventor: Olli Keränen
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Patent number: 11793641Abstract: 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: GrantFiled: March 30, 2020Date of Patent: October 24, 2023Inventors: Olli Keränen, Jouko Vallikari, Hans-Reinhard Zerkowski
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Publication number: 20230310154Abstract: A method of repairing a defective heart valve is disclosed comprising 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: ApplicationFiled: June 12, 2023Publication date: October 5, 2023Inventors: Hans-Reinhard Zerkowski, Olli Keranen, Jani Virtanen
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Patent number: 11730599Abstract: 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: GrantFiled: September 21, 2018Date of Patent: August 22, 2023Assignee: HVR Cardio OyInventors: Olli Keränen, Hans-Reinhard Zerkowski, Jouko Vallikari
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Publication number: 20230255771Abstract: 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: ApplicationFiled: January 13, 2021Publication date: August 17, 2023Inventor: Olli Keränen
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Publication number: 20230248519Abstract: An annuloplasty device is provided 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, 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/or second support ring comprises a plurality of sides forming a non-circular cross-section of the first and/or second support ring, wherein the cross-section varies along a longitudinal direction of the first and/or second support ring.Type: ApplicationFiled: July 13, 2021Publication date: August 10, 2023Inventor: Olli Keranen
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Patent number: 11712338Abstract: 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: GrantFiled: May 28, 2021Date of Patent: August 1, 2023Assignee: Medtentia International Ltd OyInventors: Olli Keränen, Jani Virtanen, Mark Pugh, Ger O'Carroll, Adrian Moran
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Patent number: 11696829Abstract: 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: GrantFiled: March 5, 2020Date of Patent: July 11, 2023Assignee: Medtentia International Ltd OyInventors: Hans-Reinhard Zerkowski, Olli Keränen, Jani Virtanen
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Publication number: 20230157822Abstract: A method of repairing a defective heart valve involves positioning first and second support rings of an annuloplasty device in a first configuration on opposite sides of native heart valve leaflets and activating a contracted state of the annuloplasty device so that a first pitch distance between the first and second support rings in the first configuration is reduced to a second pitch distance that is shorter than the first pitch distance to move the first and second support rings toward each other to pinch the native heart valve leaflets.Type: ApplicationFiled: January 9, 2023Publication date: May 25, 2023Inventors: Olli KERANEN, Hans-Reinhard ZERKOWSKI, Johannes JUNG
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Publication number: 20230105943Abstract: 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: ApplicationFiled: October 13, 2022Publication date: April 6, 2023Inventors: Olli Keranen, Hans-Reinhard Zerkowski, Johannes Jung, Jani Virtanen
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Publication number: 20230086853Abstract: A method of making an annuloplasty implant includes forming first and second support rings arranged in a coiled configuration around an axial direction and forming at least part of the first and second support ring from a carbon fiber material. The first and second support rings can be formed by 3-D printing according to dimensions of a 3-D reconstruction of a heart valve.Type: ApplicationFiled: November 27, 2022Publication date: March 23, 2023Inventors: Hans-Reinhard ZERKOWSKI, Olli KERANEN
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Patent number: 11554014Abstract: 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: GrantFiled: February 26, 2020Date of Patent: January 17, 2023Assignee: Medtentia International Ltd. OyInventor: Olli Keränen
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Patent number: 11547563Abstract: 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: GrantFiled: January 8, 2019Date of Patent: January 10, 2023Assignee: Medtentia International Ltd. OyInventors: Olli Keränen, Hans-Reinhard Zerkowski, Johannes Jung