Patents by Inventor Stephen L. Ritland

Stephen L. Ritland 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).

  • Patent number: 11426288
    Abstract: A unitarily formed expandable spinal implant for insertion in a disc space between two adjacent vertebrae. The unitarily formed expandable spinal implant is moveable from an unexpanded configuration to an expanded configuration, and can be manufactured by a 3-dimensional printer. The unitarily formed expandable spinal implant includes an upper portion, a lower portion, a proximal wall, a first distal wall portion, a second distal wall portion, and a separator connected by at least one point of attachment to the spinal implant. A separation tool breaks the separator free from the at least one point of attachment, and moves the separator within the implant to force expansion thereof from the unexpanded configuration to the expanded configuration.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: August 30, 2022
    Assignee: WARSAW ORTHOPEDIC, INC.
    Inventors: Steven DeRidder, Gregory C. Marik, Stephen L. Ritland
  • Publication number: 20210069584
    Abstract: A unitarily formed expandable spinal implant for insertion in a disc space between two adjacent vertebrae. The unitarily formed expandable spinal implant is moveable from an unexpanded configuration to an expanded configuration, and can be manufactured by a 3-dimensional printer. The unitarily formed expandable spinal implant includes an upper portion, a lower portion, a proximal wall, a first distal wall portion, a second distal wall portion, and a separator connected by at least one point of attachment to the spinal implant. A separation tool breaks the separator free from the at least one point of attachment, and moves the separator within the implant to force expansion thereof from the unexpanded configuration to the expanded configuration.
    Type: Application
    Filed: November 23, 2020
    Publication date: March 11, 2021
    Inventors: Steven DeRidder, Gregory C. Marik, Stephen L. Ritland
  • Patent number: 10850193
    Abstract: A unitarily formed expandable spinal implant for insertion in a disc space between two adjacent vertebrae. The unitarily formed expandable spinal implant is moveable from an unexpanded configuration to an expanded configuration, and can be manufactured by a 3-dimensional printer. The unitarily formed expandable spinal implant includes an upper portion, a lower portion, a proximal wall, a first distal wall portion, a second distal wall portion, and a separator connected by at least one point of attachment to the spinal implant. A separation tool breaks the separator free from the at least one point of attachment, and moves the separator within the implant to force expansion thereof from the unexpanded configuration to the expanded configuration.
    Type: Grant
    Filed: February 5, 2019
    Date of Patent: December 1, 2020
    Assignee: WARSAW ORTHOPEDIC, INC.
    Inventors: Steven DeRidder, Gregory C. Marik, Stephen L. Ritland
  • Publication number: 20190168115
    Abstract: A unitarily formed expandable spinal implant for insertion in a disc space between two adjacent vertebrae. The unitarily formed expandable spinal implant is moveable from an unexpanded configuration to an expanded configuration, and can be manufactured by a 3-dimensional printer. The unitarily formed expandable spinal implant includes an upper portion, a lower portion, a proximal wall, a first distal wall portion, a second distal wall portion, and a separator connected by at least one point of attachment to the spinal implant. A separation tool breaks the separator free from the at least one point of attachment, and moves the separator within the implant to force expansion thereof from the unexpanded configuration to the expanded configuration.
    Type: Application
    Filed: February 5, 2019
    Publication date: June 6, 2019
    Inventors: Steven DeRidder, Gregory C. Marik, Stephen L. Ritland
  • Patent number: 10195524
    Abstract: A unitarily formed expandable spinal implant for insertion in a disc space between two adjacent vertebrae. The unitarily formed expandable spinal implant is moveable from an unexpanded configuration to an expanded configuration, and can be manufactured by a 3-dimensional printer. The unitarily formed expandable spinal implant includes an upper portion, a lower portion, a proximal wall, a first distal wall portion, a second distal wall portion, and a separator connected by at least one point of attachment to the spinal implant. A separation tool breaks the separator free from the at least one point of attachment, and moves the separator within the implant to force expansion thereof from the unexpanded configuration to the expanded configuration.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: February 5, 2019
    Assignee: Warsaw Orthopedic, Inc.
    Inventors: Steven DeRidder, Gregory C. Marik, Stephen L. Ritland
  • Publication number: 20180193739
    Abstract: A unitarily formed expandable spinal implant for insertion in a disc space between two adjacent vertebrae. The unitarily formed expandable spinal implant is moveable from an unexpanded configuration to an expanded configuration, and can be manufactured by a 3-dimensional printer. The unitarily formed expandable spinal implant includes an upper portion, a lower portion, a proximal wall, a first distal wall portion, a second distal wall portion, and a separator connected by at least one point of attachment to the spinal implant. A separation tool breaks the separator free from the at least one point of attachment, and moves the separator within the implant to force expansion thereof from the unexpanded configuration to the expanded configuration.
    Type: Application
    Filed: March 6, 2018
    Publication date: July 12, 2018
    Inventors: Steven DeRidder, Gregory C. Marik, Stephen L. Ritland
  • Patent number: 9907670
    Abstract: A unitarily formed expandable spinal implant for insertion in a disc space between two adjacent vertebrae. The unitarily formed expandable spinal implant is moveable from an unexpanded configuration to an expanded configuration, and can be manufactured by a 3-dimensional printer. The unitarily formed expandable spinal implant includes an upper portion, a lower portion, a proximal wall, a first distal wall portion, a second distal wall portion, and a separator connected by at least one point of attachment to the spinal implant. A separation tool breaks the separator free from the at least one point of attachment, and moves the separator within the implant to force expansion thereof from the unexpanded configuration to the expanded configuration.
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: March 6, 2018
    Assignee: Warsaw Orthopedic, Inc.
    Inventors: Steven DeRidder, Gregory C. Marik, Stephen L. Ritland
  • Publication number: 20160206440
    Abstract: A unitarily formed expandable spinal implant for insertion in a disc space between two adjacent vertebrae. The unitarily formed expandable spinal implant is moveable from an unexpanded configuration to an expanded configuration, and can be manufactured by a 3-dimensional printer. The unitarily formed expandable spinal implant includes an upper portion, a lower portion, a proximal wall, a first distal wall portion, a second distal wall portion, and a separator connected by at least one point of attachment to the spinal implant. A separation tool breaks the separator free from the at least one point of attachment, and moves the separator within the implant to force expansion thereof from the unexpanded configuration to the expanded configuration.
    Type: Application
    Filed: January 21, 2015
    Publication date: July 21, 2016
    Inventors: Steven DeRidder, Gregory C. Marik, Stephen L. Ritland