Patents by Inventor Royce Johnson

Royce Johnson 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: 9795407
    Abstract: The present invention provides skin grafting and devices that comprise a systematic approach to the process of skin grafting, i.e., harvesting, post-excision processing and application of donor skin and pre and post-graft treatment of the recipient site.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: October 24, 2017
    Assignee: KCI Licensing, Inc.
    Inventors: Charles Seegert, Royce Johnson, A. David Boccuti, Andrew Nicholas Gentile, Edward Sy Griffey, Teryl Blane Sanders
  • Patent number: 9326683
    Abstract: Wound fluid blood detection systems and methods are described that are operable in conjunction with reduced pressure wound treatment (RPWT) systems, as well as ancillary therapy and monitoring systems applied concurrently with RPWT systems. The blood detection monitor operates by optically characterizing the content of wound fluids to the extent of identifying percentage blood content. This identification relies upon the transmission of select wavelengths of light across a volume of wound fluid to a photo detector (connected to signal processing instrumentation) capable of quantifying the absorption characteristics of the fluid. The detection components may be implemented in conjunction with either a fluid flow conduit (i.e. the reduced pressure tubing directing fluid away from the wound dressing) or more directly in association with the materials that comprise the wound dressing positioned within the wound bed itself.
    Type: Grant
    Filed: April 18, 2011
    Date of Patent: May 3, 2016
    Assignee: KCI Licensing, Inc.
    Inventors: Premnarayan Ganapathy, Royce Johnson, Tim Robinson, Christopher B. Locke
  • Patent number: 9301880
    Abstract: A wound closure system and method having a porous pad for providing a reduced pressure to a tissue site is disclosed. The porous pad comprises a porous material formed by spraying a chemical substance that cures to form the porous material which has a body and an outer surface. Both the body and the outer surface have pores wherein the average size of the pores in the outer surface is smaller than the average size of the pores in the body. The porous pad further comprises a pathway formed within the porous material that is adapted to fluidly communicate with a source of reduced pressure.
    Type: Grant
    Filed: November 20, 2013
    Date of Patent: April 5, 2016
    Assignee: KCI Licensing, Inc.
    Inventors: Cesar Z. Lina, Keith Patrick Heaton, Royce Johnson
  • Patent number: 9199015
    Abstract: A system for administering negative pressure therapy to a wound includes a screen adapted to be positioned at the wound. A reduced pressure source is in fluid communication with the screen, and a blood gas transducer is exposed to a reduced pressure provided by the reduced pressure source. The reduced pressure supplied by the reduced pressure source induces hyperperfusion of a blood gas at the wound.
    Type: Grant
    Filed: April 15, 2009
    Date of Patent: December 1, 2015
    Assignee: KCI Licensing, Inc.
    Inventor: Royce Johnson
  • Publication number: 20150157351
    Abstract: The present invention provides skin grafting and devices that comprise a systematic approach to the process of skin grafting, i.e., harvesting, post-excision processing and application of donor skin and pre and post-graft treatment of the recipient site.
    Type: Application
    Filed: December 12, 2014
    Publication date: June 11, 2015
    Inventors: Charles Seegert, Royce Johnson, A. David Boccuti, Andrew Gentile, Edward Sy Griffey, Teryl Blane Sanders
  • Patent number: 8956856
    Abstract: The present invention provides skin grafting and devices that comprise a systematic approach to the process of skin grafting, i.e., harvesting, post-excision processing and application of donor skin and pre and post-graft treatment of the recipient site.
    Type: Grant
    Filed: October 10, 2013
    Date of Patent: February 17, 2015
    Assignee: KCI Licensing, Inc.
    Inventors: Charles Seegert, Royce Johnson, A. David Boccuti, Andrew Nicholas Gentile, Edward S. Griffey, Blane Sanders
  • Patent number: 8735644
    Abstract: A biocompatible wound dressing comprised of a pad for insertion substantially into a wound site and wound drape for sealing enclosure of the foam pad at the wound site. The pad, comprised of a foam or other like material having relatively few open cells in contact with the areas upon which cell growth is to be encouraged so as to avoid unwanted adhesions, but having sufficiently numerous open cells so that drainage and negative pressure therapy may continue unimpaired, is placed in fluid communication with a vacuum source for promotion of fluid drainage, as known in the art. The pad is further comprised of an ultra-low density fused-fibrous ceramic, or a bioabsorbable branched polymer, or cell growth enhancing matrix or scaffolding.
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: May 27, 2014
    Assignee: KCI Licensing, Inc.
    Inventors: Royce Johnson, David Tumey
  • Publication number: 20140081226
    Abstract: A wound closure system and method having a porous pad for providing a reduced pressure to a tissue site is disclosed. The porous pad comprises a porous material formed by spraying a chemical substance that cures to form the porous material which has a body and an outer surface. Both the body and the outer surface have pores wherein the average size of the pores in the outer surface is smaller than the average size of the pores in the body. The porous pad further comprises a pathway formed within the porous material that is adapted to fluidly communicate with a source of reduced pressure.
    Type: Application
    Filed: November 20, 2013
    Publication date: March 20, 2014
    Applicant: KCI Licensing, Inc.
    Inventors: Cesar Z. Lina, Keith Patrick Heaton, Royce Johnson
  • Publication number: 20140039427
    Abstract: The present invention provides skin grafting and devices that comprise a systematic approach to the process of skin grafting, i.e., harvesting, post-excision processing and application of donor skin and pre and post-graft treatment of the recipient site.
    Type: Application
    Filed: October 10, 2013
    Publication date: February 6, 2014
    Applicant: KCI Licensing, Inc.
    Inventors: Charles Seegert, Royce Johnson, A. David Boccuti, Andrew Nicholas Gentile, Edward S. Griffey, Blane Sanders
  • Patent number: 8623031
    Abstract: A dermal tissue transplantation system combining a tissue particle harvester, a tissue particle collector, and a chambered dressing. The system provides a harvester capable of harvesting tissue from a donor site on the order of about 100 microns. The integrated tissue particle collector provides a means for collecting the harvested tissue for in situ cultivation in a chambered dressing at the wound site.
    Type: Grant
    Filed: February 15, 2010
    Date of Patent: January 7, 2014
    Assignee: KCI Licensing, Inc.
    Inventors: Elof Eriksson, Royce Johnson, Ajit Mishra, Michael Girouard, Makoto Ohira, Jonathan Kagan
  • Patent number: 8613734
    Abstract: A wound closure system and method having a porous pad for providing a reduced pressure to a tissue site is disclosed. The porous pad comprises a porous material formed by spraying a chemical substance that cures to form the porous material which has a body and an outer surface. Both the body and the outer surface have pores wherein the average size of the pores in the outer surface is smaller than the average size of the pores in the body. The porous pad further comprises a pathway formed within the porous material that is adapted to fluidly communicate with a source of reduced pressure.
    Type: Grant
    Filed: December 12, 2011
    Date of Patent: December 24, 2013
    Assignee: KCI Licensing, Inc.
    Inventors: Cesar Z. Lina, Keith Heaton, Royce Johnson
  • Patent number: 8372182
    Abstract: In various embodiments, a support system includes a multi-layer cover sheet with a number of layers. In certain embodiments, a source to move air inside and outside the multi-layer cover sheet can be provided. The source can include a source of positive pressure or negative pressure.
    Type: Grant
    Filed: February 16, 2012
    Date of Patent: February 12, 2013
    Assignee: Huntleigh Technology Limited
    Inventors: John H. Vrzalik, Alan L. Bartlett, Royce Johnson
  • Patent number: 8357188
    Abstract: A device for directly applying thermotherapeutic liquid to an area upon the surface of an afflicted patient, and methods of use thereof, are described. In particular, a device for apply water-based liquid at a therapeutic temperature directly to an afflicted area in order to create a localized hyperthermia, is presented. The afflicted area may be either on the skin of the patient, or subcutaneous. The device is also effective for disinfection, irrigation, lavage, and the like, when employing a suitable solution. The liquid may also have a mild oxidizing effect, which, if greater upon afflicted than upon non-afflicted cells, would enhance the therapeutic effect in conjunction with the therapy herein described.
    Type: Grant
    Filed: July 22, 2008
    Date of Patent: January 22, 2013
    Assignee: KCI Licensing, Inc.
    Inventors: Thomas A. Boynton, Royce Johnson
  • Publication number: 20120144584
    Abstract: In various embodiments, a support system includes a multi-layer cover sheet with a number of layers. In certain embodiments, a source to move air inside and outside the multi-layer cover sheet can be provided. The source can include a source of positive pressure or negative pressure.
    Type: Application
    Filed: February 16, 2012
    Publication date: June 14, 2012
    Applicant: KCI LICENSING, INC.
    Inventors: John H. Vrzalik, Alan L. Bartlett, Royce Johnson
  • Publication number: 20120095421
    Abstract: A biocompatible wound dressing comprised of a pad for insertion substantially into a wound site and wound drape for sealing enclosure of the foam pad at the wound site. The pad, comprised of a foam or other like material having relatively few open cells in contact with the areas upon which cell growth is to be encouraged so as to avoid unwanted adhesions, but having sufficiently numerous open cells so that drainage and negative pressure therapy may continue unimpaired, is placed in fluid communication with a vacuum source for promotion of fluid drainage, as known in the art. The pad is further comprised of an ultra-low density fused-fibrous ceramic, or a bioabsorbable branched polymer, or cell growth enhancing matrix or scaffolding.
    Type: Application
    Filed: December 20, 2011
    Publication date: April 19, 2012
    Inventors: Royce Johnson, David Tumey
  • Publication number: 20120083755
    Abstract: A wound closure system and method having a porous pad for providing a reduced pressure to a tissue site is disclosed. The porous pad comprises a porous material formed by spraying a chemical substance that cures to form the porous material which has a body and an outer surface. Both the body and the outer surface have pores wherein the average size of the pores in the outer surface is smaller than the average size of the pores in the body. The porous pad further comprises a pathway formed within the porous material that is adapted to fluidly communicate with a source of reduced pressure.
    Type: Application
    Filed: December 12, 2011
    Publication date: April 5, 2012
    Inventors: Cesar Z. Lina, Keith Heaton, Royce Johnson
  • Patent number: 8118920
    Abstract: In various embodiments, a support system includes a multi-layer cover sheet with a number of layers. In certain embodiments, a source to move air inside and outside the multi-layer cover sheet can be provided. The source can include a source of positive pressure or negative pressure.
    Type: Grant
    Filed: March 15, 2011
    Date of Patent: February 21, 2012
    Assignee: KCI Licensing, Inc.
    Inventors: John H. Vrzalik, Alan L. Bartlett, Royce Johnson
  • Patent number: 8096979
    Abstract: A wound closure system and method having a porous pad for providing a reduced pressure to a tissue site is disclosed. The porous pad comprises a porous material formed by spraying a chemical substance that cures to form the porous material which has a body and an outer surface. Both the body and the outer surface have pores wherein the average size of the pores in the outer surface is smaller than the average size of the pores in the body. The porous pad further comprises a pathway formed within the porous material that is adapted to fluidly communicate with a source of reduced pressure.
    Type: Grant
    Filed: June 25, 2009
    Date of Patent: January 17, 2012
    Assignee: KCI Licensing, Inc.
    Inventors: Cesar Z. Lina, Keith Heaton, Royce Johnson
  • Patent number: 8084664
    Abstract: A biocompatible wound dressing comprised of a pad for insertion substantially into a wound site and wound drape for sealing enclosure of the foam pad at the wound site. The pad, comprised of a foam or other like material having relatively few open cells in contact with the areas upon which cell growth is to be encouraged so as to avoid unwanted adhesions, but having sufficiently numerous open cells so that drainage and negative pressure therapy may continue unimpaired, is placed in fluid communication with a vacuum source for promotion of fluid drainage, as known in the art. The pad is further comprised of an ultra-low density fused-fibrous ceramic, or a bioabsorbable branched polymer, or cell growth enhancing matrix or scaffolding.
    Type: Grant
    Filed: June 30, 2010
    Date of Patent: December 27, 2011
    Assignee: KCI Licensing, Inc.
    Inventors: Royce Johnson, David Tumey
  • Publication number: 20110219548
    Abstract: In various embodiments, a support system includes a multi-layer cover sheet with a number of layers. In certain embodiments, a source to move air inside and outside the multi-layer cover sheet can be provided. The source can include a source of positive pressure or negative pressure.
    Type: Application
    Filed: March 15, 2011
    Publication date: September 15, 2011
    Applicant: KCI LICENSING, INC.
    Inventors: John H. Vrzalik, Alan L. Bartlett, Royce Johnson