Patents by Inventor L. Tab Randolph

L. Tab Randolph 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: 20140257212
    Abstract: A system for stimulating the healing of tissue comprises a porous pad positioned within a wound cavity, and an airtight dressing secured over the pad, so as to provide an airtight seal to the wound cavity. A proximal end of a conduit is connectable to the dressing. A distal end of the conduit is connectable to a negative pressure source, which may be an electric pump housed within a portable housing, or wall suction. A canister is positioned along the conduit to retain exudates suctioned from the wound site during the application of negative pressure. A controller for automated oscillation of pressure over time is provided to further enhance and stimulate the healing of an open wound. A power management motor control for varying pump drive frequency and managing a portable power supply is provided to increase battery life and improve patient mobility.
    Type: Application
    Filed: May 20, 2014
    Publication date: September 11, 2014
    Applicant: KCI Licensing, Inc.
    Inventors: Thomas A. Boynton, Teryl Blane Sanders, Keith Patrick Heaton, Kenneth William Hunt, Mark Stephen James Beard, David M. Tumey, L. Tab Randolph
  • Publication number: 20120283672
    Abstract: A wound treatment device comprises a polyurethane or polyether foam pad, adapted for insertion substantially within a wound cavity; a pump for supplying fluid flow to the wound site; and a collection canister for receiving wound fluids drawn from the wound cavity. The foam pad, pump and collection canister are in fluid communication with one another through a single hospital grade hose having a plurality of tiny apertures in the portion that is central to the foam pad. These apertures are adapted to allow fluids from the wound cavity to be drawn into the flow from the pump to the canister according to Bernoulli's theorem.
    Type: Application
    Filed: June 8, 2012
    Publication date: November 8, 2012
    Inventor: L. Tab Randolph
  • Publication number: 20110022013
    Abstract: A system for stimulating the healing of tissue comprises a porous pad positioned within a wound cavity, and an airtight dressing secured over the pad, so as to provide an airtight seal to the wound cavity. A proximal end of a conduit is connectable to the dressing. A distal end of the conduit is connectable to a negative pressure source, which may be an electric pump housed within a portable housing, or wall suction. A canister is positioned along the conduit to retain exudates suctioned from the wound site during the application of negative pressure. A first hydrophobic filter is positioned at an opening of the canister to detect a canister full condition. A second hydrophobic filter is positioned between the first filter and the negative pressure source to prevent contamination of the non-disposable portion of the system by exudates being drawn from the wound. An odor filter is positioned between the first and second hydrophobic filters to aid in the reduction of malodorous vapors.
    Type: Application
    Filed: August 25, 2010
    Publication date: January 27, 2011
    Inventors: Thomas A. Boynton, Teryl Blane Sanders, Keith Patrick Heaton, Kenneth William Hunt, Mark Stephen James Beard, David M. Tumey, L. Tab Randolph
  • Publication number: 20100121230
    Abstract: A method and apparatus for providing concurrent applications of intermittent pneumatic compression therapy and vacuum assisted closure therapy generally comprises a wound dressing for introduction of a negative pressure into a wound on a patient's foot and a foot wrap for application of positive, compressive forces to substantially all of the patient's foot. A suction pump, having an associated vacuum sensor and first feedback mechanism, supplies negative pressure to the wound dressing. A ventable source of pressurized gas, having an associated pressure transducer and second feedback mechanism, supplies positive force to the foot wrap. At least one control system is operably associated with the suction pump and ventable source of pressurized gas for controlling the negative and positive applications of pressure to the patient's foot. Controlled modes for operation include continuous or intermittent application of one or both therapies and simultaneous or cycled application of the therapies.
    Type: Application
    Filed: November 12, 2009
    Publication date: May 13, 2010
    Inventors: Richard C. Vogel, David M. Tumey, Susan P. Morris, L. Tab Randolph
  • Patent number: 7618382
    Abstract: A method and apparatus for providing concurrent applications of intermittent pneumatic compression therapy and vacuum assisted closure therapy generally comprises a wound dressing for introduction of a negative pressure into a wound on a patient's foot and a foot wrap for application of positive, compressive forces to substantially all of the patients foot. A suction pump, having an associated vacuum sensor and first feedback mechanism, supplies negative pressure to the wound dressing. A ventable source of pressurized gas, having an associated pressure transducer and second feedback mechanism, supplies positive force to the foot wrap. At least one control system is operably associated with the suction pump and ventable source of pressurized gas for controlling the negative and positive applications of pressure to the patient's foot. Controlled modes for operation include continuous or intermittent application of one or both therapies and simultaneous or cycled application of the therapies.
    Type: Grant
    Filed: March 1, 2006
    Date of Patent: November 17, 2009
    Assignee: KCI Licensing, Inc.
    Inventors: Richard C. Vogel, David M. Tumey, Susan P. Morris, L. Tab Randolph
  • Patent number: 7214202
    Abstract: A method and apparatus for providing concurrent applications of intermittent pneumatic compression therapy and vacuum assisted closure therapy generally comprises a wound dressing for introduction of a negative pressure into a wound on a patient's foot and a foot wrap for application of positive, compressive forces to substantially all of the patients foot. A suction pump, having an associated vacuum sensor and first feedback mechanism, supplies negative pressure to the wound dressing. A ventable source of pressurized gas, having an associated pressure transducer and second feedback mechanism, supplies positive force to the foot wrap. At least one control system is operably associated with the suction pump and ventable source of pressurized gas for controlling the negative and positive applications of pressure to the patient's foot. Controlled modes for operation include continuous or intermittent application of one or both therapies and simultaneous or cycled application of the therapies.
    Type: Grant
    Filed: December 10, 1999
    Date of Patent: May 8, 2007
    Assignee: KCI Licensing, Inc.
    Inventors: Richard C. Vogel, David M. Tumey, Susan P. Morris, L. Tab Randolph
  • Patent number: 7004915
    Abstract: A system for stimulating the healing of tissue comprises a porous pad positioned within a wound cavity, and an airtight dressing secured over the pad, so as to provide an airtight seal to the wound cavity. A proximal end of a conduit is connectable to the dressing. A distal end of the conduit is connectable to a negative pressure source, which may be an electric pump housed within a portable housing, or wall suction. A canister is positioned along the conduit to retain exudates suctioned from the wound site during the application of negative pressure. A first hydrophobic filter is positioned at an opening of the canister to detect a canister full condition. A second hydrophobic filter is positioned between the first filter and the negative pressure source to prevent contamination of the non-disposable portion of the system by exudates being drawn from the wound. An odor filter is positioned between the between the first and second hydrophobic filters to aid in the reduction of malodorous vapors.
    Type: Grant
    Filed: August 24, 2001
    Date of Patent: February 28, 2006
    Assignee: KCI Licensing, Inc.
    Inventors: Thomas A. Boynton, Teryl Blane Sanders, Keith Patrick Heaton, Kenneth William Hunt, Mark Stephen James Beard, David M. Tumey, L. Tab Randolph
  • Publication number: 20040260230
    Abstract: A wound treatment device comprises a polyurethane or polyether foam pad, adapted for insertion substantially within a wound cavity; a pump for supplying fluid flow to the wound site; and a collection canister for receiving wound fluids drawn from the wound cavity. The foam pad, pump and collection canister are in fluid communication with one another through a single hospital grade hose having a plurality of tiny apertures in the portion that is central to the foam pad. These apertures are adapted to allow fluids from the wound cavity to be drawn into the flow from the pump to the canister according to Bernoulli's theorem.
    Type: Application
    Filed: July 21, 2004
    Publication date: December 23, 2004
    Inventor: L. Tab Randolph
  • Patent number: 6767334
    Abstract: A wound treatment device comprises a polyurethane or polyether foam pad, adapted for insertion substantially within a wound cavity; a pump for supplying fluid flow to the wound site; and a collection canister for receiving wound fluids drawn from the wound cavity. The foam pad, pump and collection canister are in fluid communication with one another through a single hospital grade hose having a plurality of tiny apertures in the portion that is central to the foam pad. These apertures are adapted to allow fluids from the wound cavity to be drawn into the flow from the pump to the canister according to Bernoulli's theorem.
    Type: Grant
    Filed: April 3, 2001
    Date of Patent: July 27, 2004
    Assignee: KCI Licensing, Inc.
    Inventor: L. Tab Randolph
  • Patent number: 6488643
    Abstract: A medical wrap for the promotion of diabetic and like wound healing generally comprises a multi-layered sheet structure for removable application to a patient's foot, said sheet structure having interposed therein an integral bladder; an inlet for fluid inflation of said bladder; and said sheet structure being adapted and said bladder being shaped to produce a non-shearing compressive force in the area of the patient's first and fifth metatarsal heads upon fluid inflation of said bladder. The multi-layered sheet structure may comprise a first sheet and a second sheet, said first sheet forming the exterior of said structure and said second sheet forming the interior of said structure, said second sheet being more extensible than said first sheet. A padding layer of ester foam, or the like, may also be incorporated into each sheet.
    Type: Grant
    Filed: October 8, 1998
    Date of Patent: December 3, 2002
    Assignee: KCI Licensing, Inc.
    Inventors: David M. Tumey, L. Tab Randolph
  • Patent number: 6135116
    Abstract: A method and apparatus for providing concurrent applications of intermittent pneumatic compression therapy and vacuum assisted closure therapy generally comprises a wound dressing for introduction of a negative pressure into a wound on a patient's foot and a foot wrap for application of positive, compressive forces to substantially all of the patients foot. A suction pump, having an associated vacuum sensor and first feedback mechanism, supplies negative pressure to the wound dressing. A ventable source of pressurized gas, having an associated pressure transducer and second feedback mechanism, supplies positive force to the foot wrap. At least one control system is operably associated with the suction pump and ventable source of pressurized gas for controlling the negative and positive applications of pressure to the patient's foot. Controlled modes for operation include continuous or intermittent application of one or both therapies and simultaneous or cycled application of the therapies.
    Type: Grant
    Filed: July 30, 1997
    Date of Patent: October 24, 2000
    Assignee: KCI Licensing, Inc.
    Inventors: Richard C. Vogel, David M. Tumey, Susan P. Morris, L. Tab Randolph
  • Patent number: D436175
    Type: Grant
    Filed: August 28, 1998
    Date of Patent: January 9, 2001
    Assignee: KCI New Technologies, Inc.
    Inventors: David M. Tumey, L. Tab Randolph
  • Patent number: D439341
    Type: Grant
    Filed: May 11, 1999
    Date of Patent: March 20, 2001
    Assignee: KCI Licensing, Inc.
    Inventors: David M. Tumey, L. Tab Randolph
  • Patent number: D441451
    Type: Grant
    Filed: August 29, 1998
    Date of Patent: May 1, 2001
    Assignee: KCI New Technologies, Inc.
    Inventors: David M. Tumey, L. Tab Randolph
  • Patent number: D475132
    Type: Grant
    Filed: June 26, 2002
    Date of Patent: May 27, 2003
    Assignee: KCI Licensing, Inc.
    Inventor: L. Tab Randolph
  • Patent number: D475134
    Type: Grant
    Filed: June 26, 2002
    Date of Patent: May 27, 2003
    Assignee: KCI Licensing, Inc.
    Inventor: L. Tab Randolph
  • Patent number: D410084
    Type: Grant
    Filed: August 28, 1998
    Date of Patent: May 18, 1999
    Assignee: KCI New Technologies, Inc.
    Inventors: David M. Tumey, L. Tab Randolph
  • Patent number: D415277
    Type: Grant
    Filed: August 28, 1998
    Date of Patent: October 12, 1999
    Assignee: KCI New Technologies, Inc.
    Inventors: David M. Tumey, L. Tab Randolph
  • Patent number: D434150
    Type: Grant
    Filed: May 11, 1999
    Date of Patent: November 21, 2000
    Assignee: KCI Licensing, Inc.
    Inventors: David M. Tumey, L. Tab Randolph