Patents by Inventor Ronald Stewart Hill

Ronald Stewart Hill 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: 10383981
    Abstract: The present invention is directed to a stabilized cross-linked hydrogel matrix comprising a first high molecular weight component and a second high molecular weight component that are covalently linked, and at least one stabilizing or enhancing agent, wherein the first high molecular weight component and the second high molecular weight component are each selected from the group consisting of polyglycans and polypeptides. This stabilized hydrogel matrix may be prepared as bioactive gels, pastes, slurries, cell attachment scaffolds for implantable medical devices, and casting or binding materials suitable for the construction of medical devices. The intrinsic bioactivity of the hydrogel matrix makes it useful as a gel or paste in multiple applications, including as a cell attachment scaffold that promotes wound healing around an implanted device, as gels and pastes for induction of localized vasculogenesis, wound healing, tissue repair, and regeneration, as a wound adhesive, and for tissue bulking.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: August 20, 2019
    Assignee: Pioneer Surgical Technology, Inc.
    Inventors: Francis Vincent Lamberti, Richard Chris Klann, Ronald Stewart Hill
  • Patent number: 10265436
    Abstract: The present invention is directed to a stabilized bioactive hydrogel matrix coating for substrates, such as medical devices. The invention provides a coated substrate comprising a substrate having a surface, and a bioactive hydrogel matrix layer overlying the surface of the medical device, the hydrogel matrix comprising a first high molecular weight component and a second high molecular weight component, the first and second high molecular weight components each being selected from the group consisting of polyglycans and polypeptides, wherein at least one of the first and second high molecular weight components is immobilized (e.g., by covalent cross-linking) to the surface of the substrate.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: April 23, 2019
    Assignee: Pioneer Surgical Technology, Inc.
    Inventors: Francis Vincent Lamberti, Richard Chris Klann, Ronald Stewart Hill
  • Publication number: 20170197013
    Abstract: The present invention is directed to a stabilized cross-linked hydrogel matrix comprising a first high molecular weight component and a second high molecular weight component that are covalently linked, and at least one stabilizing or enhancing agent, wherein the first high molecular weight component and the second high molecular weight component are each selected from the group consisting of polyglycans and polypeptides. This stabilized hydrogel matrix may be prepared as bioactive gels, pastes, slurries, cell attachment scaffolds for implantable medical devices, and casting or binding materials suitable for the construction of medical devices. The intrinsic bioactivity of the hydrogel matrix makes it useful as a gel or paste in multiple applications, including as a cell attachment scaffold that promotes wound healing around an implanted device, as gels and pastes for induction of localized vasculogenesis, wound healing, tissue repair, and regeneration, as a wound adhesive, and for tissue bulking.
    Type: Application
    Filed: March 9, 2017
    Publication date: July 13, 2017
    Inventors: Francis Vincent Lamberti, Richard Chris Klann, Ronald Stewart Hill
  • Publication number: 20170182215
    Abstract: The present invention is directed to a stabilized bioactive hydrogel matrix coating for substrates, such as medical devices. The invention provides a coated substrate comprising a substrate having a surface, and a bioactive hydrogel matrix layer overlying the surface of the medical device, the hydrogel matrix comprising a first high molecular weight component and a second high molecular weight component, the first and second high molecular weight components each being selected from the group consisting of polyglycans and polypeptides, wherein at least one of the first and second high molecular weight components is immobilized (e.g., by covalent cross-linking) to the surface of the substrate.
    Type: Application
    Filed: March 10, 2017
    Publication date: June 29, 2017
    Inventors: Francis Vincent Lamberti, Richard Chris Klann, Ronald Stewart Hill
  • Patent number: 9623146
    Abstract: The present invention is directed to a stabilized cross-linked hydrogel matrix comprising a first high molecular weight component and a second high molecular weight component that are covalently linked, and at least one stabilizing or enhancing agent, wherein the first high molecular weight component and the second high molecular weight component are each selected from the group consisting of polyglycans and polypeptides. This stabilized hydrogel matrix may be prepared as bioactive gels, pastes, slurries, cell attachment scaffolds for implantable medical devices, and casting or binding materials suitable for the construction of medical devices. The intrinsic bioactivity of the hydrogel matrix makes it useful as a gel or paste in multiple applications, including as a cell attachment scaffold that promotes wound healing around an implanted device, as gels and pastes for induction of localized vasculogenesis, wound healing, tissue repair, and regeneration, as a wound adhesive, and for tissue bulking.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: April 18, 2017
    Assignee: RTI Surgical Technology, Inc.
    Inventors: Francis Vincent Lamberti, Richard Chris Klann, Ronald Stewart Hill
  • Patent number: 9610382
    Abstract: The present invention is directed to a stabilized bioactive hydrogel matrix coating for substrates, such as medical devices. The invention provides a coated substrate comprising a substrate having a surface, and a bioactive hydrogel matrix layer overlying the surface of the medical device, the hydrogel matrix comprising a first high molecular weight component and a second high molecular weight component, the first and second high molecular weight components each being selected from the group consisting of polyglycans and polypeptides, wherein at least one of the first and second high molecular weight components is immobilized (e.g., by covalent cross-linking) to the surface of the substrate.
    Type: Grant
    Filed: November 7, 2013
    Date of Patent: April 4, 2017
    Assignee: RTI Surgical, Inc.
    Inventors: Francis Vincent Lamberti, Richard Chris Klann, Ronald Stewart Hill
  • Patent number: 9370608
    Abstract: The present disclosure provides compositions useful in regeneration of connective tissue, particularly bone. The compositions comprise a continuous matrix formed of a polypeptide crosslinked with a second polymer and further comprise particles of a porous, osteoconductive material dispersed in the continuous matrix. The composition can be provided in a dehydrated form. The disclosure further provides methods of preparing the composition in a clinically useful form, methods of using the composition in regenerating bone, and kits including the composition.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: June 21, 2016
    Assignee: RTI Surgical Inc.
    Inventors: Francis Vincent Lamberti, Ronald Stewart Hill, Adam MacMillan, Edward Ahn, Brian Schlossberg, Stephen Capistron, William H. Lloyd
  • Publication number: 20150140116
    Abstract: The present invention is directed to a stabilized cross-linked hydrogel matrix comprising a first high molecular weight component and a second high molecular weight component that are covalently linked, and at least one stabilizing or enhancing agent, wherein the first high molecular weight component and the second high molecular weight component are each selected from the group consisting of polyglycans and polypeptides. This stabilized hydrogel matrix may be prepared as bioactive gels, pastes, slurries, cell attachment scaffolds for implantable medical devices, and casting or binding materials suitable for the construction of medical devices. The intrinsic bioactivity of the hydrogel matrix makes it useful as a gel or paste in multiple applications, including as a cell attachment scaffold that promotes wound healing around an implanted device, as gels and pastes for induction of localized vasculogenesis, wound healing, tissue repair, and regeneration, as a wound adhesive, and for tissue bulking.
    Type: Application
    Filed: January 30, 2015
    Publication date: May 21, 2015
    Inventors: Francis Vincent Lamberti, Richard Chris Klann, Ronald Stewart Hill
  • Publication number: 20150098998
    Abstract: The present disclosure provides compositions useful in regeneration of connective tissue, particularly bone. The compositions comprise a continuous matrix formed of a polypeptide crosslinked with a second polymer and further comprise particles of a porous, osteoconductive material dispersed in the continuous matrix. The composition can be provided in a dehydrated form. The disclosure further provides methods of preparing the composition in a clinically useful form, methods of using the composition in regenerating bone, and kits including the composition.
    Type: Application
    Filed: December 12, 2014
    Publication date: April 9, 2015
    Inventors: Francis Vincent Lamberti, Ronald Stewart Hill, Adam MacMillan, Edward Ahn, Brian Schlossberg, Stephen Capistron, William H. Lloyd
  • Patent number: 8957050
    Abstract: The present invention is directed to a stabilized cross-linked hydrogel matrix comprising a first high molecular weight component and a second high molecular weight component that are covalently linked, and at least one stabilizing or enhancing agent, wherein the first high molecular weight component and the second high molecular weight component are each selected from the group consisting of polyglycans and polypeptides. This stabilized hydrogel matrix may be prepared as bioactive gels, pastes, slurries, cell attachment scaffolds for implantable medical devices, and casting or binding materials suitable for the construction of medical devices. The intrinsic bioactivity of the hydrogel matrix makes it useful as a gel or paste in multiple applications, including as a cell attachment scaffold that promotes wound healing around an implanted device, as gels and pastes for induction of localized vasculogenesis, wound healing, tissue repair, and regeneration, as a wound adhesive, and for tissue bulking.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: February 17, 2015
    Assignee: Pioneer Surgical Technology, Inc.
    Inventors: Francis Vincent Lamberti, Richard Chris Klann, Ronald Stewart Hill
  • Patent number: 8940317
    Abstract: The present disclosure provides compositions useful in regeneration of connective tissue, particularly bone. The compositions comprise a continuous matrix formed of a polypeptide crosslinked with a second polymer and further comprise particles of a porous, osteoconductive material dispersed in the continuous matrix. The composition can be provided in a dehydrated form. The disclosure further provides methods of preparing the composition in a clinically useful form, methods of using the composition in regenerating bone, and kits including the composition.
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: January 27, 2015
    Assignee: Pioneer Surgical Technology
    Inventors: Francis Vincent Lamberti, Ronald Stewart Hill, Adam MacMillan, Edward Ahn, Brian Schlossberg, Stephen Capistron, William H. Lloyd
  • Patent number: 8883184
    Abstract: Connective tissue regenerative compositions and methods of repairing and regenerating connective tissue using such compositions are provided. The compositions generally comprise a bioactive hydrogel matrix comprising a polypeptide, such as gelatin, and a long chain carbohydrate, such as dextran. The hydrogel matrix may further include polar amino acids, as well as additional beneficial additives. Advantageously, the compositions include further components, such as osteoinductive or osteoconductive materials, medicaments, stem or progenitor cells, and three-dimensional structural frameworks. The compositions are useful for regenerating connective tissue, and can be administered to an area having injury to, or a loss of, connective tissue, such as bone, cartilage, tendon, and ligament.
    Type: Grant
    Filed: January 20, 2009
    Date of Patent: November 11, 2014
    Assignee: Pioneer Surgical Technology, Inc.
    Inventors: Ronald Stewart Hill, Richard Chris Klann, Francis V. Lamberti
  • Publication number: 20140066694
    Abstract: The present invention is directed to a stabilized bioactive hydrogel matrix coating for substrates, such as medical devices. The invention provides a coated substrate comprising a substrate having a surface, and a bioactive hydrogel matrix layer overlying the surface of the medical device, the hydrogel matrix comprising a first high molecular weight component and a second high molecular weight component, the first and second high molecular weight components each being selected from the group consisting of polyglycans and polypeptides, wherein at least one of the first and second high molecular weight components is immobilized (e.g., by covalent cross-linking) to the surface of the substrate.
    Type: Application
    Filed: November 7, 2013
    Publication date: March 6, 2014
    Applicant: Pioneer Surgical Technology, Inc.
    Inventors: Francis Vincent Lamberti, Richard Chris Klann, Ronald Stewart Hill
  • Patent number: 8664202
    Abstract: The present invention is directed to a stabilized cross-linked hydrogel matrix comprising a first high molecular weight component and a second high molecular weight component that are covalently linked, and at least one stabilizing or enhancing agent, wherein the first high molecular weight component and the second high molecular weight component are each selected from the group consisting of polyglycans and polypeptides. This stabilized hydrogel matrix may be prepared as bioactive gels, pastes, slurries, cell attachment scaffolds for implantable medical devices, and casting or binding materials suitable for the construction of medical devices. The intrinsic bioactivity of the hydrogel matrix makes it useful as a gel or paste in multiple applications, including as a cell attachment scaffold that promotes wound healing around an implanted device, as gels and pastes for induction of localized vasculogenesis, wound healing, tissue repair, and regeneration, as a wound adhesive, and for tissue bulking.
    Type: Grant
    Filed: October 4, 2011
    Date of Patent: March 4, 2014
    Assignee: Pioneer Surgical Technology, Inc.
    Inventors: Francis V. Lamberti, Richard Chris Klann, Ronald Stewart Hill
  • Patent number: 8609122
    Abstract: The present invention is directed to a stabilized bioactive hydrogel matrix coating for substrates, such as medical devices. The invention provides a coated substrate comprising a substrate having a surface, and a bioactive hydrogel matrix layer overlying the surface of the medical device, the hydrogel matrix comprising a first high molecular weight component and a second high molecular weight component, the first and second high molecular weight components each being selected from the group consisting of polyglycans and polypeptides, wherein at least one of the first and second high molecular weight components is immobilized (e.g., by covalent cross-linking) to the surface of the substrate.
    Type: Grant
    Filed: November 9, 2007
    Date of Patent: December 17, 2013
    Assignee: Pioneer Surgical Technology, Inc.
    Inventors: Francis V. Lamberti, Richard Chris Klann, Ronald Stewart Hill
  • Publication number: 20120328700
    Abstract: Connective tissue regenerative compositions and methods of repairing and regenerating connective tissue using such compositions are provided. The compositions generally comprise a bioactive hydrogel matrix comprising a polypeptide, such as gelatin, and a long chain carbohydrate, such as dextran. The hydrogel matrix may further include polar amino acids, as well as additional beneficial additives. Advantageously, the compositions include further components, such as osteoinductive or osteoconductive materials, medicaments, stem or progenitor cells, and three-dimensional structural frameworks. The compositions are useful for regenerating connective tissue, and can be administered to an area having injury to, or a loss of, connective tissue, such as bone, cartilage, tendon, and ligament.
    Type: Application
    Filed: August 31, 2012
    Publication date: December 27, 2012
    Inventors: Ronald Stewart Hill, Richard Chris Klann, Francis V. Lamberti
  • Publication number: 20120321597
    Abstract: Connective tissue regenerative compositions and methods of repairing and regenerating connective tissue using such compositions are provided. The compositions generally comprise a bioactive hydrogel matrix comprising a polypeptide, such as gelatin, and a long chain carbohydrate, such as dextran. The hydrogel matrix may further include polar amino acids, as well as additional beneficial additives. Advantageously, the compositions include further components, such as osteoinductive or osteoconductive materials, medicaments, stem or progenitor cells, and three-dimensional structural frameworks. The compositions are useful for regenerating connective tissue, and can be administered to an area having injury to, or a loss of, connective tissue, such as bone, cartilage, tendon, and ligament.
    Type: Application
    Filed: August 31, 2012
    Publication date: December 20, 2012
    Inventors: Ronald Stewart Hill, Richard Chris Klann, Francis V. Lamberti
  • Publication number: 20120076868
    Abstract: The present invention is directed to a stabilized cross-linked hydrogel matrix comprising a first high molecular weight component and a second high molecular weight component that are covalently linked, and at least one stabilizing or enhancing agent, wherein the first high molecular weight component and the second high molecular weight component are each selected from the group consisting of polyglycans and polypeptides. This stabilized hydrogel matrix may be prepared as bioactive gels, pastes, slurries, cell attachment scaffolds for implantable medical devices, and casting or binding materials suitable for the construction of medical devices. The intrinsic bioactivity of the hydrogel matrix makes it useful as a gel or paste in multiple applications, including as a cell attachment scaffold that promotes wound healing around an implanted device, as gels and pastes for induction of localized vasculogenesis, wound healing, tissue repair, and regeneration, as a wound adhesive, and for tissue bulking.
    Type: Application
    Filed: October 4, 2011
    Publication date: March 29, 2012
    Inventors: Francis V. Lamberti, Richard Chris Klann, Ronald Stewart Hill
  • Patent number: 8053423
    Abstract: The present invention is directed to a stabilized cross-linked hydrogel matrix comprising a first high molecular weight component and a second high molecular weight component that are covalently linked, and at least one stabilizing or enhancing agent, wherein the first high molecular weight component and the second high molecular weight component are each selected from the group consisting of polyglycans and polypeptides. This stabilized hydrogel matrix may be prepared as bioactive gels, pastes, slurries, cell attachment scaffolds for implantable medical devices, and casting or binding materials suitable for the construction of medical devices. The intrinsic bioactivity of the hydrogel matrix makes it useful as a gel or paste in multiple applications, including as a cell attachment scaffold that promotes wound healing around an implanted device, as gels and pastes for induction of localized vasculogenesis, wound healing, tissue repair, and regeneration, as a wound adhesive, and for tissue bulking.
    Type: Grant
    Filed: May 18, 2010
    Date of Patent: November 8, 2011
    Assignee: Encelle, Inc.
    Inventors: Francis V. Lamberti, Richard Chris Klann, Ronald Stewart Hill
  • Patent number: 7799767
    Abstract: The present invention is directed to a stabilized cross-linked hydrogel matrix comprising a first high molecular weight component and a second high molecular weight component that are covalently linked, and at least one stabilizing or enhancing agent, wherein the first high molecular weight component and the second high molecular weight component are each selected from the group consisting of polyglycans and polypeptides. This stabilized hydrogel matrix may be prepared as bioactive gels, pastes, slurries, cell attachment scaffolds for implantable medical devices, and casting or binding materials suitable for the construction of medical devices. The intrinsic bioactivity of the hydrogel matrix makes it useful as a gel or paste in multiple applications, including as a cell attachment scaffold that promotes wound healing around an implanted device, as gels and pastes for induction of localized vasculogenesis, wound healing, tissue repair, and regeneration, as a wound adhesive, and for tissue bulking.
    Type: Grant
    Filed: February 21, 2003
    Date of Patent: September 21, 2010
    Assignee: Pioneer Surgical Orthobiologics, Inc.
    Inventors: Francis V. Lamberti, Richard Chris Klann, Ronald Stewart Hill