Patents by Inventor Frederick A. Flitsch

Frederick A. Flitsch 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).

  • Methods for formation of an ophthalmic lens with an insert utilizing voxel-based lithography techniques
    Patent number: 9987808
    Abstract: Methods for manufacturing an ophthalmic lens with an insert using voxel-based lithography techniques, wherein at least a portion of one surface may be free-formed from a reactive mixture are set forth herein. An ophthalmic lens precursor may be formed on a substrate with an arcuate optical quality surface via a source of actinic radiation controllable to cure a definable portion of a volume of reactive mixture, wherein the control may be on a voxel by voxel basis.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: June 5, 2018
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Marina Johns Archer, Michael Ferran, Frederick A. Flitsch, Camille A. Higham, Randall Braxton Pugh, Michael F. Widman, Christopher Wildsmith
  • BIOMEDICAL SENSING METHODS AND APPARATUS FOR THE DETECTION AND PREVENTION OF LUNG CANCER STATES
    Publication number: 20180144092
    Abstract: The present invention relates to methods and apparatus to monitor and potentially prevent occurrences of lung cancer in patients. The invention includes apparatus and methods to determine a patient's pre-disposition or propensity to acquire lung cancer. Also included are apparatus and methods to monitor for patient biomarkers and for environmental agents, to warn and to take action to reduce exposure to environmental agents and to increase patient screening for the occurrence of lung cancer.
    Type: Application
    Filed: October 31, 2017
    Publication date: May 24, 2018
    Inventors: Frederick A. Flitsch, Randall B. Pugh, Adam Toner
  • Methods and apparatus to enhance oxygen concentrations for ophthalmic devices
    Patent number: 9977258
    Abstract: Methods and apparatus to enhance levels of oxygen in tear fluid under a worn advanced contact lens are described. The contact lens may include an encapsulated hard lens element which is impermeable to fluid flow across its body. The method of enhancement may include creating pores through the hard lens element, creating channels in portions of the contact lens body, including layers of absorptive material, and creating means of moving tear fluid under the contact lens.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: May 22, 2018
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Randall B. Pugh, Adam Toner, Frederick A. Flitsch
  • Sealing and encapsulation in energized ophthalmic devices with annular inserts
    Patent number: 9977260
    Abstract: This invention discloses methods and apparatus for sealing and encapsulating Components on and within an annular-shaped Multi-Piece Insert. In some embodiments, an ophthalmic Lens is cast molded from a silicone hydrogel and the Component includes a sealed and encapsulated Multi-Piece Insert portion.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: May 22, 2018
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Randall B. Pugh, James Daniel Riall, Adam Toner, Daniel B. Otts, Frederick A. Flitsch, Sharika Snook
  • Methods and apparatus to enhance oxygen concentrations for advanced ophthalmic devices
    Patent number: 9964780
    Abstract: Methods and apparatus to enhance levels of oxygen in tear fluid under a worn advanced contact lens are described. The advanced contact lens may include an insert which is impermeable to fluid flow across its body. The method of enhancement may include creating pores through the insert, creating channels in portions of the contact lens body, including layers of absorptive material, including devices to generate or release oxygen or means of moving tear fluid under the contact lens.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: May 8, 2018
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Randall B. Pugh, Adam Toner, Frederick A. Flitsch
  • Methods and apparatus for ophthalmic devices including cycloidally oriented liquid crystal layers
    Patent number: 9958704
    Abstract: This invention discloses methods and apparatus for providing a variable optic insert into an ophthalmic lens. A liquid crystal layer may be used to provide a variable optic function and in some examples, an alignment layer for the liquid crystal layer may be patterned in a cycloidally dependent manner. The patterning may allow for a polarization dependent lens in some examples. An energy source is capable of powering the variable optic insert included within the ophthalmic lens. In some examples, an ophthalmic lens is cast-molded from a silicone hydrogel. The various ophthalmic lens entities may include electroactive liquid crystal layers to electrically control optical characteristics.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: May 1, 2018
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Luciano De Sio, Frederick A. Flitsch, Praveen Pandojirao-S, Randall Braxton Pugh, Svetlan Serak, Nelson V. Tabirian, Adam Toner, Olena Uskova, James Daniel Riall
  • Method and apparatus for a variable power opthalmic lens
    Patent number: 9958703
    Abstract: This invention discloses methods and apparatus for providing an ophthalmic lens with diffractive/refractive variable optic structures. An energy source is capable of powering the variable optic included within the ophthalmic lens as it may be predetermined. In some embodiments, an ophthalmic lens is cast molded from a silicone hydrogel.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: May 1, 2018
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Randall B. Pugh, Daniel B. Otts, James Daniel Riall, C. Benjamin Wooley, Edward R. Kernick, Frederick A. Flitsch, Andres F. Arrubla
  • Methods for manufacturing biocompatible cathode slurry for use in biocompatible batteries
    Patent number: 9946092
    Abstract: Methods and apparatus to form biocompatible energization elements are described. In some examples, the methods and apparatus to form the biocompatible energization elements involve forming cavities comprising active cathode chemistry. The active elements of the cathode and anode are sealed with a biocompatible material. In some examples, a field of use for the methods and apparatus may include any biocompatible device or product that requires energization elements.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: April 17, 2018
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Frederick A. Flitsch, Jorge Gonzalez, Daniel B. Otts, Randall B. Pugh, James Daniel Riall, Adam Toner
  • METHODS AND APPARATUS TO FORM SEPARATORS FOR BIOCOMPATIBLE ENERGIZATION ELEMENTS FOR BIOMEDICAL DEVICES
    Publication number: 20180101027
    Abstract: Methods and apparatus to form biocompatible energization elements are described. In some examples, the methods and apparatus to form the biocompatible energization elements involve forming cavities composing active cathode chemistry. The active elements of the cathode and anode are sealed with a biocompatible material. In some examples, a field of use for the methods and apparatus may include any biocompatible device or product that requires energization elements.
    Type: Application
    Filed: December 8, 2017
    Publication date: April 12, 2018
    Inventors: Daniel B. Otts, Randall B. Pugh, James Daniel Riall, Adam Toner, Frederick A. Flitsch, Shivkumar Mahadevan
  • Biomedical energization elements with polymer electrolytes and cavity structures
    Patent number: 9941547
    Abstract: Designs, strategies and methods to form energization elements comprising polymer electrolytes are described. In some examples, the biocompatible energization elements may be used in a biomedical device. In some further examples, the biocompatible energization elements may be used in a contact lens.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: April 10, 2018
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Frederick A. Flitsch, Millburn Ebenezer Jacob Muthu, Daniel B. Otts, Randall B. Pugh, James Daniel Riall, Adam Toner
  • Thermoformed ophthalmic insert devices
    Patent number: 9939657
    Abstract: The present invention describes single-piece or multi-piece Rigid Inserts that may be included in an Ophthalmic Lenses or may comprise the Ophthalmic Lens, wherein the Rigid Insert may be formed through the processing of thin sheet material by thermoforming. Single piece annular Rigid Inserts may perform the function of providing a template for printed patterns to be included in Ophthalmic Lenses. Single piece full Rigid Inserts may perform the function of polarizing light or filtering light based on the properties of materials used to form the insert. Multi-piece Rigid Inserts may include activation and energization elements. The present invention also includes methods and apparatus for forming the Rigid Inserts.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: April 10, 2018
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Randall B. Pugh, Karson S. Putt, Edward R. Kernick, Douglas Lilac, Frederick A. Flitsch, Camille Higham, Sharika Snook
  • Biocompatibility of biomedical energization elements
    Patent number: 9923177
    Abstract: Designs, strategies and methods to improve biocompatibility of energization elements are described. In some examples, the biocompatible energization elements may be used in a biomedical device. In some further examples, the biocompatible energization elements may be used in a contact lens.
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: March 20, 2018
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Frederick A. Flitsch, Daniel B. Otts, Randall B. Pugh, James Daniel Riall, Adam Toner
  • TUBULAR FORM BIOMEDICAL DEVICE BATTERIES WITH ELECTROLESS SEALING
    Publication number: 20180076465
    Abstract: Designs, strategies and methods for forming tube shaped batteries are described. In some examples, hermetic seals may be used to seal battery chemistry within the tube-shaped batteries. This may improve biocompatibility of energization elements. In some examples, the tube form biocompatible energization elements may be used in a biomedical device. In some further examples, the tube form biocompatible energization elements may be used in a contact lens.
    Type: Application
    Filed: August 14, 2017
    Publication date: March 15, 2018
    Inventors: Stuart Michael Davis, Frederick A. Flitsch, Millburn Ebenezer Jacob Muthu, Randall B. Pugh, Adam Toner, Lawrence Weinstein
  • TUBULAR FORM BIOMEDICAL DEVICE BATTERIES
    Publication number: 20180076475
    Abstract: Designs, strategies and methods for forming tube shaped batteries are described. In some examples, hermetic seals may be used to seal battery chemistry within the tube-shaped batteries. This may improve biocompatibility of energization elements. In some examples, the tube form biocompatible energization elements may be used in a biomedical device. In some further examples, the tube form biocompatible energization elements may be used in a contact lens.
    Type: Application
    Filed: August 14, 2017
    Publication date: March 15, 2018
    Inventors: Stuart Michael Davis, Frederick A. Flitsch, Millburn Ebenezer Jacob Muthu, Randall B. Pugh, Adam Toner
  • CLAM SHELL FORM BIOMEDICAL DEVICE BATTERIES
    Publication number: 20180074345
    Abstract: Designs, strategies and methods for forming clamshell shaped batteries are described. In some examples, hermetic seals may be used to seal battery chemistry within the clamshell-shaped batteries. This may improve biocompatibility of energization elements. In some examples, the clamshell form biocompatible energization elements may be used in a biomedical device. In some further examples, the clamshell form biocompatible energization elements may be used in a contact lens.
    Type: Application
    Filed: September 11, 2017
    Publication date: March 15, 2018
    Inventors: Frederick A. Flitsch, Millburn Ebenezer Jacob Muthu, Randall B. Pugh, Adam Toner, Lawrence Weinstein
  • Method for using a stacked integrated component media insert in an ophthalmic device
    Patent number: 9914273
    Abstract: This invention discloses methods and apparatus for providing a media insert with an energy source to an ophthalmic lens. The energy source is capable of powering a component included within the ophthalmic lens. In some embodiments, an ophthalmic lens is cast molded from a silicone hydrogel and the component includes an electro-optical lens portion.
    Type: Grant
    Filed: January 26, 2012
    Date of Patent: March 13, 2018
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Randall B. Pugh, Frederick A. Flitsch, Daniel B. Otts, James Daniel Riall, Adam Toner
  • Methods to form biocompatible energization elements for biomedical devices comprising laminates and deposited separators
    Patent number: 9899700
    Abstract: Methods and apparatus to form biocompatible energization elements are described. In some examples, the methods and apparatus to form the biocompatible energization elements involve forming cavities comprising active cathode chemistry and depositing separators within a laminate structure of the battery. The active elements of the cathode and anode are sealed with a laminate stack of biocompatible material. In some examples, a field of use for the methods and apparatus may include any biocompatible device or product that requires energization elements.
    Type: Grant
    Filed: April 15, 2015
    Date of Patent: February 20, 2018
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Daniel B. Otts, Randall B. Pugh, James Daniel Riall, Adam Toner, Frederick A. Flitsch, Shivkumar Mahadevan
  • Stacked integrated component media insert for an ophthalmic device
    Patent number: 9889615
    Abstract: This invention discloses methods and apparatus for providing a media insert with an energy source to an ophthalmic lens. The energy source is capable of powering a component included within the ophthalmic lens. In some embodiments, an ophthalmic lens is cast molded from a silicone hydrogel and the component includes an electro-optical lens portion.
    Type: Grant
    Filed: January 26, 2012
    Date of Patent: February 13, 2018
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Randall B. Pugh, Frederick A. Flitsch, Daniel B. Otts, James Daniel Riall, Adam Toner
  • Method and Apparatus for Spatially Locating Lens Components on a Lens Precursor
    Publication number: 20180031864
    Abstract: This invention provides for Spatial Placement of Lens Components by Spatially Polymerizing portions of Fluent Lens Reactive Media using one or more controlled projections of actinic radiation to a Lens Precursor device. More specifically, the Lens Components Spatially Placed can include one or more of: electrical components, pigment particles, coatings, and active agents. The control of the actinic radiation can include the use of a voxel based lithography method using a digital micromirror device, a laser, or the use of a photomask.
    Type: Application
    Filed: October 6, 2017
    Publication date: February 1, 2018
    Applicant: Johnson & Johnson Vision Care Inc.
    Inventors: Randall B. Pugh, Frederick A. Flitsch
  • Method and apparatus for ophthalmic devices including gradient-indexed and shaped liquid crystal layers
    Patent number: 9880398
    Abstract: This invention discloses methods and apparatus for providing a variable optic insert into an ophthalmic lens. The variable optic insert may have surfaces within that have differing radii of curvature. A liquid crystal layer may be used to provide a variable optic function and in some embodiments, an alignment layer for the liquid crystal layer may be patterned in a radially dependent manner. The patterning may allow for the index of refraction of the optic device to vary in a gradient-indexed or GRIN manner. An energy source is capable of powering the variable optic insert included within the ophthalmic lens. In some embodiments, an ophthalmic lens is cast-molded from a silicone hydrogel. The various ophthalmic lens entities may include electroactive liquid crystal layers to electrically control optical characteristics.
    Type: Grant
    Filed: August 27, 2014
    Date of Patent: January 30, 2018
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Luciano De Sio, Frederick A. Flitsch, Praveen Pandojirao-S, Randall Braxton Pugh, James Daniel Riall, Svetlana Serak, Nelson V. Tabirian, Adam Toner, Olena Uskova