Patents by Inventor Randall Spencer

Randall Spencer 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: 20160303290
    Abstract: Described herein are tissue grafts derived from the placenta that possess good adhesion to biological tissues and are useful in would healing applications. In one aspect, the tissue graft includes (1) two or more layers of amnion, wherein at least one layer of amnion is cross-linked, (2) two or more layers of chorion, wherein at least one layer of amnion is cross-linked, or (3) one or more layers of amnion and chorion, wherein at least one layer of amnion and/or chorion is cross-linked. In another aspect, the grafts are composed of amnion and chorion cross-linked with one another. In a further aspect, the grafts have one or more layers sandwiched between the amnion and chorion membranes. The amnion and/or the chorion are treated with a cross-linking agent prior to the formation of the graft. The presence of the cross-linking agent present on the graft also enhances adhesion to the biological tissue of interest. Also described herein are methods for making and using the tissue grafts.
    Type: Application
    Filed: March 18, 2016
    Publication date: October 20, 2016
    Applicant: MiMedx Group, Inc.
    Inventors: Brenda S. Morse, Somaly Sith, Randall Spencer, John Daniel
  • Patent number: 9463206
    Abstract: Described herein are tissue grafts produced by contacting dehydrated placental tissue grafts with a cross-linking agent. The tissue grafts described herein provide barrier and prevent the migration of a bioactive agent from the wound. Thus, the tissue grafts enhance wound healing while preventing the undesirable migration of a bioactive agent from the wound. Methods for making and using the cross-linked grafts are also described herein.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: October 11, 2016
    Assignee: MiMedx Group, Inc.
    Inventors: Tom Koob, John Daniel, Randall Spencer
  • Patent number: 9415074
    Abstract: Described herein are tissue grafts derived from the placenta. The grafts are composed of at least one layer of amnion tissue where the epithelium layer has been substantially removed in order to expose the basement layer to host cells. By removing the epithelium layer, cells from the host can more readily interact with the cell-adhesion bio-active factors located onto top and within of the basement membrane. Also described herein are methods for making and using the tissue grafts. The laminin structure of amnion tissue is nearly identical to that of native human tissue such as, for example, oral mucosa tissue. This includes high level of laminin-5, a cell adhesion bio-active factor show to bind gingival epithelia-cells, found throughout upper portions of the basement membrane.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: August 16, 2016
    Assignee: MiMedx Group, Inc.
    Inventors: John Daniel, Randall Spencer, John Russo, Robert Tofe
  • Patent number: 9272003
    Abstract: Described herein are tissue grafts derived from the placenta. The grafts are composed of at least one layer of amnion tissue where the epithelium layer has been substantially removed in order to expose the basement layer to host cells. By removing the epithelium layer, cells from the host can more readily interact with the cell-adhesion bio-active factors located onto top and within of the basement membrane. Also described herein are methods for making and using the tissue grafts. The laminin structure of amnion tissue is nearly identical to that of native human tissue such as, for example, oral mucosa tissue. This includes high level of laminin-5, a cell adhesion bio-active factor show to bind gingival epithelia-cells, found throughout upper portions of the basement membrane.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: March 1, 2016
    Assignee: MiMedx Group, Inc.
    Inventors: John Daniel, Randall Spencer, John Russo, Robert Tofe
  • Publication number: 20160051730
    Abstract: Described herein are placental tissue grafts produced by chemical dehydration followed by freeze-drying the placental tissue to produce the tissue graft. The tissue grafts retain their biological properties preferably at the same level as the placental tissues before they are processed. The placental tissue grafts have numerous medical applications. Methods for making the tissue graft compositions are also described herein.
    Type: Application
    Filed: November 4, 2015
    Publication date: February 25, 2016
    Applicant: MiMedx Group, Inc.
    Inventors: John Daniel, Randall Spencer, Steven Ray
  • Publication number: 20160038638
    Abstract: Described herein are tissue grafts derived from the placenta. The grafts are composed of at least one layer of amnion tissue where the epithelium layer has been substantially removed in order to expose the basement layer to host cells. By removing the epithelium layer, cells from the host can more readily interact with the cell-adhesion bio-active factors located onto top and within of the basement membrane. Also described herein are methods for making and using the tissue grafts. The laminin structure of amnion tissue is nearly identical to that of native human tissue such as, for example, oral mucosa tissue. This includes high level of laminin-5, a cell adhesion bio-active factor show to bind gingival epithelia-cells, found throughout upper portions of the basement membrane.
    Type: Application
    Filed: October 21, 2015
    Publication date: February 11, 2016
    Applicant: MIMEDX GROUP, INC.
    Inventors: John DANIEL, Randall SPENCER, John RUSSO, Robert TOFE
  • Publication number: 20160030633
    Abstract: Described herein are tissue grafts derived from the placenta. The grafts are composed of at least one layer of amnion tissue where the epithelium layer has been substantially removed in order to expose the basement layer to host cells. By removing the epithelium layer, cells from the host can more readily interact with the cell-adhesion bio-active factors located onto top and within of the basement membrane. Also described herein are methods for making and using the tissue grafts. The laminin structure of amnion tissue is nearly identical to that of native human tissue such as, for example, oral mucosa tissue. This includes high level of laminin-5, a cell adhesion bio-active factor show to bind gingival epithelia-cells, found throughout upper portions of the basement membrane.
    Type: Application
    Filed: July 20, 2015
    Publication date: February 4, 2016
    Applicant: MIMEDX GROUP, INC.
    Inventors: John Daniel, Randall Spencer, John Russo, Robert Tofe
  • Publication number: 20160008410
    Abstract: The present invention provides compositions and formulations of micronized Wharton's jelly having a controlled viscosity such that when delivered to the injured region of a subject, it remains substantially localized with little or no migration out of the injured region for the repair and/or regeneration thereof. Micronized Wharton's Jelly can be suspended in a pharmaceutically acceptable aqueous carrier, such as saline, sterile water, or any suitable buffer, to form a suspension or a gelatinous gel composition, or it can be in the form of a paste, suitable for delivery into the space adjacent the articular surface cartilage injured region of a subject. The micronized Wharton's jelly when employed at sufficient concentrations can be hydrated into a gel or paste and administered topically, or it can be injected into the body through the use of a needle and syringe.
    Type: Application
    Filed: July 7, 2015
    Publication date: January 14, 2016
    Inventors: Randall Spencer, Somaly Sith, Tom Koob
  • Publication number: 20150335686
    Abstract: The present invention provides compositions and formulations of micronized Wharton's jelly having a controlled viscosity such that when delivered to the injured region of a subject, it remains substantially localized with little or no migration out of the injured region for the repair and/or regeneration thereof. Micronized Wharton's Jelly can be suspended in a pharmaceutically acceptable aqueous carrier, such as saline, sterile water, or any suitable buffer, to form a suspension or a gelatinous gel composition, or it can be in the form of a paste, suitable for delivery into the space adjacent the articular surface cartilage injured region of a subject. The micronized Wharton's jelly when employed at sufficient concentrations can be hydrated into a gel or paste and administered topically, or it can be injected into the body through the use of a needle and syringe.
    Type: Application
    Filed: May 21, 2015
    Publication date: November 26, 2015
    Inventors: Randall Spencer, Somaly Sith
  • Patent number: 9186382
    Abstract: Described herein are placental tissue grafts produced by chemical dehydration followed by freeze-drying the placental tissue to produce the tissue graft. The tissue grafts retain their biological properties preferably at the same level as the placental tissues before they are processed. The placental tissue grafts have numerous medical applications. Methods for making the tissue graft compositions are also described herein.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: November 17, 2015
    Assignee: MiMedx Group, Inc.
    Inventors: John Daniel, Randall Spencer, Steven Ray
  • Publication number: 20150250829
    Abstract: Described herein are compositions composed of micronized placental components, extracts of micronized placental components, and pharmaceutical compositions thereof. The compositions have numerous medical applications. Methods for making and using the micronized compositions and the extracts thereof are also described herein.
    Type: Application
    Filed: May 22, 2015
    Publication date: September 10, 2015
    Inventors: John Daniel, Randall Spencer, Somaly Sith
  • Patent number: 9084767
    Abstract: Described herein are tissue grafts derived from the placenta. The grafts are composed of at least one layer of amnion tissue where the epithelium layer has been substantially removed in order to expose the basement layer to host cells. By removing the epithelium layer, cells from the host can more readily interact with the cell-adhesion bio-active factors located onto top and within of the basement membrane. Also described herein are methods for making and using the tissue grafts. The laminin structure of amnion tissue is nearly identical to that of native human tissue such as, for example, oral mucosa tissue. This includes high level of laminin-5, a cell adhesion bio-active factor show to bind gingival epithelia-cells, found throughout upper portions of the basement membrane.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: July 21, 2015
    Assignee: MiMedx Group, Inc.
    Inventors: John Daniel, Randall Spencer, John Russo, Robert Tofe
  • Patent number: 8932643
    Abstract: Described herein are tissue grafts derived from the placenta. The grafts are composed of at least one layer of amnion tissue where the epithelium layer has been substantially removed in order to expose the basement layer to host cells. By removing the epithelium layer, cells from the host can more readily interact with the cell-adhesion bio-active factors located onto top and within of the basement membrane. Also described herein are methods for making and using the tissue grafts. The laminin structure of amnion tissue is nearly identical to that of native human tissue such as, for example, oral mucosa tissue. This includes high level of laminin-5, a cell adhesion bio-active factor show to bind gingival epithelia-cells, found throughout upper portions of the basement membrane.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: January 13, 2015
    Assignee: MiMedx Group, Inc.
    Inventors: John Daniel, Robert Tofe, Randall Spencer, John Russo
  • Publication number: 20140343688
    Abstract: Described herein are tissue grafts derived from the placenta with improved physical and biological properties. In one aspect, the tissue graft includes a first membrane comprising Wharton's jelly laminated with amnion, chorion, or a combination thereof. The presence of Wharton's jelly in the grafts enhances the performance of allograft amniotic-derived, caderivic allograft, xenograft, or alloplast soft tissue substitutes.
    Type: Application
    Filed: February 13, 2012
    Publication date: November 20, 2014
    Inventors: Brenda S. Morse, Somaly Sith, Randall Spencer, John Daniel, Robert Tofe
  • Publication number: 20140322289
    Abstract: Described herein are tissue grafts derived from the placenta. The grafts are composed of at least one layer of amnion tissue where the epithelium layer has been substantially removed in order to expose the basement layer to host cells. By removing the epithelium layer, cells from the host can more readily interact with the cell-adhesion bio-active factors located onto top and within of the basement membrane. Also described herein are methods for making and using the tissue grafts. The laminin structure of amnion tissue is nearly identical to that of native human tissue such as, for example, oral mucosa tissue. This includes high level of laminin-5, a cell adhesion bio-active factor show to bind gingival epithelia-cells, found throughout upper portions of the basement membrane.
    Type: Application
    Filed: July 3, 2014
    Publication date: October 30, 2014
    Inventors: John Daniel, Randall Spencer, John Russo, Robert Tofe
  • Publication number: 20140302162
    Abstract: Described herein are composition composed of micronized placental components and pharmaceutical compositions thereof. The compositions have numerous medical applications. Methods for making and using the micronized compositions are also described herein.
    Type: Application
    Filed: May 23, 2014
    Publication date: October 9, 2014
    Applicant: MiMedx Group, Inc.
    Inventors: Brenda S. Morse, Somaly Sith, Randall Spencer, Steven Ray, John Daniel, Robert Tofe
  • Publication number: 20140290837
    Abstract: Described herein are tissue grafts derived from the placenta. The grafts are composed of at least one layer of amnion tissue where the epithelium layer has been substantially removed in order to expose the basement layer to host cells. By removing the epithelium layer, cells from the host can more readily interact with the cell-adhesion bio-active factors located onto top and within of the basement membrane. Also described herein are methods for making and using the tissue grafts. The laminin structure of amnion tissue is nearly identical to that of native human tissue such as, for example, oral mucosa tissue. This includes high level of laminin-5, a cell adhesion bio-active factor show to bind gingival epithelia-cells, found throughout upper portions of the basement membrane.
    Type: Application
    Filed: February 3, 2014
    Publication date: October 2, 2014
    Applicant: MiMedx Group, Inc.
    Inventors: John Daniel, Randall Spencer, John Russo, Robert Tofe
  • Publication number: 20140255508
    Abstract: Described herein are composition composed of micronized placental components and pharmaceutical compositions thereof. The compositions have numerous medical applications. Methods for making and using the micronized compositions are also described herein.
    Type: Application
    Filed: May 23, 2014
    Publication date: September 11, 2014
    Applicant: MiMedx Group, Inc.
    Inventors: Brenda S. Morse, Somaly Sith, Randall Spencer, Steven Ray, John Daniel, Robert Tofe
  • Publication number: 20140255496
    Abstract: Described herein are compositions composed of micronized placental components, extracts of micronized placental components, and pharmaceutical compositions thereof. The compositions have numerous medical applications. Methods for making and using the micronized compositions and the extracts thereof are also described herein.
    Type: Application
    Filed: May 22, 2014
    Publication date: September 11, 2014
    Inventors: John Daniel, Randall Spencer, Somaly Sith
  • Patent number: D736281
    Type: Grant
    Filed: January 16, 2014
    Date of Patent: August 11, 2015
    Assignee: Maxi-Lift, Inc.
    Inventors: Paul Phillips, Wade Randall Spencer, Jeffrey Carlisle Jowers