Patents by Inventor Robert C. Taft

Robert C. Taft 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: 20210169646
    Abstract: A crimping system for a prosthetic heart valve comprises a split funnel comprising an elongated annular body having an enlarged insertion end, a narrower outlet end, and a central opening extending along a central longitudinal axis of the split funnel, between the insertion end and the outlet end. The body comprises first and second slots extending axially along opposite sides of the body from the outlet end toward the insertion end, the first and second slots defining first and second split portions of the body extending circumferentially between the first and second slots on opposite sides of the central opening. The crimping device is configured to crimp a prosthetic heart valve moving axially through the central opening from the insertion end to the outlet end while allowing portions of the prosthetic heart valve to protrude through the first and second slots and remain in an expanded configuration.
    Type: Application
    Filed: February 12, 2021
    Publication date: June 10, 2021
    Applicant: Edwards Lifesciences Corporation
    Inventors: Robert C. Taft, Travis Zenyo Oba
  • Publication number: 20210022856
    Abstract: 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: Application
    Filed: October 8, 2020
    Publication date: January 28, 2021
    Inventors: Stephen C. Geist, Robert C. Taft, Travis Zenyo Oba, Sam Sok, Matthew A. Peterson, Kevin M. Golemo, Mark Chau, Seung-Beom Yi
  • Publication number: 20200391016
    Abstract: Methods and techniques are disclosed for performing transcatheter procedures on a patient that result in similar blood flow changes to the surgical Blalock-Taussig procedure, the Glenn procedure, and the Fontan procedure. Since these transcatheter procedures do not necessarily involve open chest surgery, they tend to be less traumatic for the patient, quicker and easier to perform, and may result in better patient outcomes.
    Type: Application
    Filed: June 17, 2020
    Publication date: December 17, 2020
    Applicant: NXT Biomedical
    Inventors: Joseph Passman, Robert S. Schwartz, Robert C. Taft, Stanton J. Rowe, Alexander Siegel, Glen Rabito
  • Patent number: 10799347
    Abstract: 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: Grant
    Filed: June 19, 2020
    Date of Patent: October 13, 2020
    Assignee: Edwards Lifesciences Corporation
    Inventors: Stephen C. Geist, Robert C. Taft, Travis Zenyo Oba, Sam Sok, Matthew A. Peterson, Kevin M. Golemo, Mark Chau, Seung-Beom Yi
  • Publication number: 20200315792
    Abstract: 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: Application
    Filed: June 19, 2020
    Publication date: October 8, 2020
    Inventors: Stephen C. Geist, Robert C. Taft, Travis Zenyo Oba, Sam Sok, Matthew A. Peterson, Kevin M. Golemo, Mark Chau, Seung-Beom Yi
  • Publication number: 20200254228
    Abstract: A shunt is described that expands to an hourglass shape. As the shunt expands, both of its ends radially flare outwards relative to its middle section and the length of the shunt foreshortens, which causes the flared ends to engage the tissue surrounding a puncture or aperture within a patient's tissue.
    Type: Application
    Filed: February 7, 2020
    Publication date: August 13, 2020
    Applicant: NXT Biomedical
    Inventors: Robert C. Taft, Glen Rabito, Robert S. Schwartz
  • Publication number: 20200229919
    Abstract: A prosthetic device includes a main body, a first anchor, a second anchor, a first anchor spreader, and a second anchor spreader. The first anchor is coupled to the main body such that a spring force of the first anchor biases the first anchor toward the main body. The second anchor is coupled to the main body such that a spring force of the second anchor biases the second anchor against the main body. The first anchor spreader is coupled to the first anchor such that applying a force to the first anchor spreader moves the first anchor away from the main body against the spring force of the first anchor. The second anchor spreader is coupled to the second anchor such that applying a force to the second anchor spreader moves the second anchor away from the main body against the spring force of the second anchor.
    Type: Application
    Filed: April 8, 2020
    Publication date: July 23, 2020
    Inventors: Stephen C. Geist, Robert C. Taft, Travis Oba, Sam Sok, Matthew A. Peterson, Kevin M. Golemo, Mark Chau, Seung-Beom Yi
  • Publication number: 20200187945
    Abstract: Methods and devices for increasing oxygenation levels in the blood supply and thereby treating the condition of hypoxemia. Multiple approaches such as pressure reduction in the pulmonary circulatory system, reducing triggering mechanisms in the main pulmonary artery and restricting flow in the pulmonary circulatory system are disclosed. Interventions associated with those approaches can including shunting, restrictors, compliance devices, pharmacologic substances, etc.
    Type: Application
    Filed: December 13, 2019
    Publication date: June 18, 2020
    Applicant: NXT Biomedical
    Inventors: Stanton J. Rowe, Robert S. Schwartz, Glen Rabito, Robert C. Taft, Elliot Howard, Alexander Siegel, Joseph Passman
  • Publication number: 20200107932
    Abstract: A method for treating a heart valve involves delivering a catheter into a ventricle of a heart, advancing a coil from the catheter, rotating the coil at least partially around a papillary muscle of the ventricle, embedding a distal end of the coil in tissue of the ventricle, and manipulating a suture coupled to the coil to adjust a position of the papillary muscle.
    Type: Application
    Filed: August 23, 2019
    Publication date: April 9, 2020
    Inventors: Glen T. Rabito, Robert C. Taft, Alison S. Curtis
  • Publication number: 20200085600
    Abstract: Devices and methods of treating conditions cause or exacerbated by excessive fluid pressures or retentions, such as pulmonary hypertension, that involves shunting excessive fluid pressure from one bodily chamber or vessel to another bodily chamber or vessel.
    Type: Application
    Filed: September 19, 2019
    Publication date: March 19, 2020
    Applicant: NXT Biomedical
    Inventors: Robert S. Schwartz, Stanton J. Rowe, Robert C. Taft, Glen Rabito, Alexander Siegel, Joseph Passman
  • Publication number: 20200060818
    Abstract: A method of implanting a prosthetic apparatus preferably includes delivering the prosthetic apparatus to a native mitral valve and exposing ventricular anchors and a spacer body of the prosthetic apparatus from a distal end portion of a delivery apparatus. The ventricular anchors are controllably and forcibly expanded outwardly from the spacer body to an expanded configuration. The prosthetic apparatus is positioned relative to the native mitral valve such that native mitral valve leaflets are located between the ventricular anchors and the spacer body. The ventricular anchors are then contracted radially inwardly toward the spacer body to a compressed configuration. In the compressed configuration, the native mitral valve leaflets are secured between the ventricular anchors and the spacer body. After implantation, the spacer body is held between the native mitral valve leaflets, thereby blocking regurgitation and improving the function of the native mitral valve.
    Type: Application
    Filed: October 31, 2019
    Publication date: February 27, 2020
    Inventors: Stephen C. Geist, Robert C. Taft, Travis Zenyo Oba, Sam Sok, Matthew A. Peterson, Kevin M. Golemo, Mark Chau, Seung-Beom Yi
  • Publication number: 20200054867
    Abstract: Devices and methods of treating fluid retention caused by congestive heart failure or other conditions resulting in edema, lymphoedema, or significant fluid retention (e.g., deep vein thrombosis, cellulitis, venous stasis insufficiency, or damage to the lymphatic network) are described. Specifically, a treatment device is used to create a passage or cannula between the lymphatic system (or other area of the body) and an external drainage device. This device can be only temporarily located in the patient or can be implanted within the patient for longer periods of time. The physician can safely and reliably remove excess fluid from the body via the device and optionally inject other treatment agents.
    Type: Application
    Filed: August 14, 2019
    Publication date: February 20, 2020
    Applicant: NXT Biomedical
    Inventors: Robert S. Schwartz, Stanton J. Rowe, Alexander Siegel, Joseph Passman, Robert C. Taft, Glen Rabito
  • Patent number: 10541527
    Abstract: An amplitude limiter circuit includes an inductor and a shunt circuit. The inductor has a first terminal connected to an input node. The shunt circuit is connected to a second terminal of the inductor and also is connected to a low impedance node. If an overvoltage condition forms on the input node, the shunt circuit forms an overvoltage current path from the input node, through the inductor, through the shunt circuit and to low impedance node.
    Type: Grant
    Filed: March 19, 2013
    Date of Patent: January 21, 2020
    Assignee: TEXAS INSTRUMENTS DEUTSCHLAND GMBH
    Inventors: Robert C. Taft, Alexander Bodem
  • Patent number: 10463481
    Abstract: A prosthetic heart valve includes a collapsible and expandable frame having a main body, an atrial portion, and at least one ventricular anchor. The atrial portion extends radially outwardly relative to the main body and the ventricular anchor extends from a ventricular end of the main body. The main body and the atrial portion are preferably separate metal components that are coupled together via sutures or a fabric member. The prosthetic heart valve also includes a valve structure that is supported in the main body of the frame. The valve structure has a plurality of leaflets for regulating the flow of blood in one direction.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: November 5, 2019
    Assignee: Edwards Lifesciences Corporation
    Inventors: Stephen C. Geist, Robert C. Taft, Travis Zenyo Oba, Sam Sok, Matthew A. Peterson, Kevin M. Golemo, Mark Chau, Seung-Beom Yi
  • Publication number: 20190059876
    Abstract: Devices and methods for securing a tissue anchor in tissue of a patient, in particular to ensure proper deployment of a cardiac tissue anchor by regulating the force or pressure of a deployment tool against the tissue. One way to ensure proper deployment force is to visualize the distal end of the tissue anchoring catheter from outside the body using a display for an imaging sensor, where the distal end of the catheter changes configuration when it is pressed against the tissue. Another method involves automatically regulating the pressure applied to the tissue prior to deployment of the tissue anchor, which may also be used in conjunction with visualization. Several safety locks to prevent deployment of the tissue anchor prior to establishment of the proper pressure are disclosed, which again may be used with visualization and/or an automated pressure regulator.
    Type: Application
    Filed: August 21, 2018
    Publication date: February 28, 2019
    Inventors: Steven Eric Decker, Matthew Michael Becerra, Nancy Hoang Khuu, Timothy Allen Dalton, Sue-Lynn Wu, Mark Chau, Omar Fawzi Azanki, Robert C. Taft, Emil Karapetian, Praveen De Silva, Hien T. Nguyen
  • Patent number: 10206799
    Abstract: Methods and devices for increasing flow in the left atrial appendage (LAA) include a conduit directing blood flow from a pulmonary artery into the LAA and/or a conduit drawing blood from the LAA by a Bernoulli effect. In one embodiment, a method comprises implanting a conduit in a pulmonary vein, expanding an inlet portion such that the conduit becomes anchored within the vein and directs blood through an outlet portion of the conduit into or toward the left atrial appendage.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: February 19, 2019
    Assignee: Edwards Lifesciences Corporation
    Inventors: Neil S. Zimmerman, Robert C. Taft, Eric R. Reuland, David L. Hauser
  • Patent number: 10039905
    Abstract: Disclosed are cardiac shunts and method of delivery, and in particular, to a shunt to reduce elevated left atrial pressure (LAP). The methods include forming a puncture hole between the left atrium and the coronary sinus, widening the puncture hole, and placing an expandable shunt within the widened puncture hole. A first catheter having a side-extending needle may be used to form a puncture into the left atrium. A second catheter extends along a guidewire and an expandable shunt with distal and proximal flanges is expelled therefrom into the puncture. The shunt defines a blood flow passage therethrough that permits shunting of blood from the left atrium to the coronary sinus when the LAP is elevated. The shunt is desirable formed of a super-elastic material and manipulated with control rods. The shunt defines a tilted flow tube that facilitates collapse into the catheter.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: August 7, 2018
    Assignee: Edwards Lifesciences Corporation
    Inventors: Robert C. Taft, Emil Karapetian, Cristobal R. Hernandez
  • Publication number: 20180078394
    Abstract: Methods and devices for increasing flow in the left atrial appendage (LAA) include a conduit directing blood flow from a pulmonary artery into the LAA and/or a conduit drawing blood from the LAA by a Bernoulli effect. In one embodiment, a method comprises implanting a conduit in a pulmonary vein, expanding an inlet portion such that the conduit becomes anchored within the vein and directs blood through an outlet portion of the conduit into or toward the left atrial appendage.
    Type: Application
    Filed: November 16, 2017
    Publication date: March 22, 2018
    Applicant: Edwards Lifesciences Corporation
    Inventors: Neil S. Zimmerman, Robert C. Taft, Eric R. Reuland, David L. Hauser
  • Patent number: 9907652
    Abstract: This disclosure pertains generally to prosthetic devices and related methods for helping to seal native heart valves and prevent or reduce regurgitation therethrough, as well as devices and related methods for implanting such prosthetic devices. In some cases, a spacer having a single anchor can be implanted within a native heart valve. In some cases, a spacer having dual anchors can be implanted within a native heart valve. In some cases, devices can be used to extend the effective length of a native heart valve leaflet.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: March 6, 2018
    Assignee: Edwards Lifesciences Corporation
    Inventors: Mark Chau, Travis Zenyo Oba, Sergio Delgado, Robert C. Taft
  • Patent number: D810941
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: February 20, 2018
    Assignee: Edwards Lifesciences Corporation
    Inventors: Robert C. Taft, Mark Chau