Patents by Inventor David Robson Blandford
David Robson Blandford 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: 11318233Abstract: New and useful systems, methods, and apparatuses for automatically identifying alternative cell chemistries of batteries that power portable electric devices and adjusting the characteristics of such devices in response to the identification of such cells in a reduced-pressure therapy environment are set forth in the appended claims.Type: GrantFiled: November 19, 2018Date of Patent: May 3, 2022Assignee: KCI Licensing, Inc.Inventors: Christopher Brian Locke, Richard Daniel John Coulthard, David Robson Blandford
-
Patent number: 11229732Abstract: A system and method for performing tissue therapy may include applying a reduced pressure to a tissue site, sensing a fluid parameter being applied to the tissue site, generating a fluid sensor signal in response to sensing the fluid parameter, and altering the fluid sensor signal in response to sensing that the fluid parameter changes. A fluid leak location mode may be entered. In response to the fluid leak location mode being entered, a graphical user interface that provides for fluid leak location functionality may be displayed. In one embodiment, the fluid leak location mode may be automatically entered in response to the sensor signal crossing a threshold value. Additionally, an alarm signal may be generated in response to determining that the fluid sensor signal crosses the threshold value.Type: GrantFiled: January 25, 2019Date of Patent: January 25, 2022Assignee: KCI Licensing, Inc.Inventors: Christopher Brian Locke, Mark Stephen James Beard, David Robson Blandford, Timothy Mark Robinson
-
Publication number: 20210260270Abstract: An apparatus and method for managing reduced pressure at a tissue site are disclosed. The apparatus comprises a pump for supplying reduced pressure to the tissue site, a motor coupled to the pump to propel the pump, and a drive system electrically coupled to the motor that includes a power source that provides a source of direct current power to the motor during an operational period at a substantially constant current and of sufficient magnitude to supply a targeted reduced pressure during the operational period. The drive system also includes a controller that monitors the pump's loading on the motor by measuring the voltage across the motor to determine whether the motor voltage remains within a predetermined operational range of voltages necessary for maintaining the reduced pressure supplied by the pump proximate to the targeted reduced pressure without directly measuring the reduced pressure using a pressure sensor.Type: ApplicationFiled: May 10, 2021Publication date: August 26, 2021Inventors: Christopher Brian LOCKE, David Robson BLANDFORD, Richard Daniel John COULTHARD
-
Patent number: 11033664Abstract: An apparatus and method for managing reduced pressure at a tissue site are disclosed. The apparatus comprises a pump for supplying reduced pressure to the tissue site, a motor coupled to the pump to propel the pump, and a drive system electrically coupled to the motor that includes a power source that provides a source of direct current power to the motor during an operational period at a substantially constant current and of sufficient magnitude to supply a targeted reduced pressure during the operational period. The drive system also includes a controller that monitors the pump's loading on the motor by measuring the voltage across the motor to determine whether the motor voltage remains within a predetermined operational range of voltages necessary for maintaining the reduced pressure supplied by the pump proximate to the targeted reduced pressure without directly measuring the reduced pressure using a pressure sensor.Type: GrantFiled: December 28, 2017Date of Patent: June 15, 2021Assignee: KCI Licensing, Inc.Inventors: Christopher Brian Locke, David Robson Blandford, Richard Daniel John Coulthard
-
Publication number: 20200352818Abstract: A reduced pressure treatment system is provided that includes a canister that is fluidly connected to a tissue site and is configured to receive fluid drawn from the tissue site under the influence of a reduced pressure. A reduced pressure source provides the reduced pressure and is fluidly connected to the tissue site by a fluid communication path, which may include a source conduit, the canister, and a target conduit. A sensing device communicates with the source conduit and is configured to sense a pressure in the source conduit. A valve communicates with the source conduit and is configured to vent the reduced pressure. A processing unit communicates with the sensing device and the valve and is configured to open the valve for a selected amount of time, determine a decay of reduced pressure, and determine a fill status of the canister based on the decay of reduced pressure.Type: ApplicationFiled: July 28, 2020Publication date: November 12, 2020Inventors: Christopher Brian LOCKE, Timothy Mark ROBINSON, David Robson BLANDFORD
-
Patent number: 10765592Abstract: A reduced pressure treatment system is provided that includes a canister that is fluidly connected to a tissue site and is configured to receive fluid drawn from the tissue site under the influence of a reduced pressure. A reduced pressure source provides the reduced pressure and is fluidly connected to the tissue site by a fluid communication path, which may include a source conduit, the canister, and a target conduit. A sensing device communicates with the source conduit and is configured to sense a pressure in the source conduit. A valve communicates with the source conduit and is configured to vent the reduced pressure. A processing unit communicates with the sensing device and the valve and is configured to open the valve for a selected amount of time, determine a decay of reduced pressure, and determine a fill status of the canister based on the decay of reduced pressure.Type: GrantFiled: November 14, 2017Date of Patent: September 8, 2020Assignee: KCI Licensing, Inc.Inventors: Christopher Brian Locke, Timothy Mark Robinson, David Robson Blandford
-
Publication number: 20190151516Abstract: A system and method for performing tissue therapy may include applying a reduced pressure to a tissue site, sensing a fluid parameter being applied to the tissue site, generating a fluid sensor signal in response to sensing the fluid parameter, and altering the fluid sensor signal in response to sensing that the fluid parameter changes. A fluid leak location mode may be entered. In response to the fluid leak location mode being entered, a graphical user interface that provides for fluid leak location functionality may be displayed. In one embodiment, the fluid leak location mode may be automatically entered in response to the sensor signal crossing a threshold value. Additionally, an alarm signal may be generated in response to determining that the fluid sensor signal crosses the threshold value.Type: ApplicationFiled: January 25, 2019Publication date: May 23, 2019Inventors: Christopher Brian LOCKE, Mark Stephen James BEARD, David Robson BLANDFORD, Timothy Mark ROBINSON
-
Publication number: 20190134278Abstract: New and useful systems, methods, and apparatuses for automatically identifying alternative cell chemistries of batteries that power portable electric devices and adjusting the characteristics of such devices in response to the identification of such cells in a reduced-pressure therapy environment are set forth in the appended claims.Type: ApplicationFiled: November 19, 2018Publication date: May 9, 2019Inventors: Christopher Brian LOCKE, Richard Daniel John COULTHARD, David Robson BLANDFORD
-
Patent number: 10232095Abstract: A system and method for performing tissue therapy may include applying a reduced pressure to a tissue site, sensing a fluid parameter being applied to the tissue site, generating a fluid sensor signal in response to sensing the fluid parameter, and altering the fluid sensor signal in response to sensing that the fluid parameter changes. A fluid leak location mode may be entered. In response to the fluid leak location mode being entered, a graphical user interface that provides for fluid leak location functionality may be displayed. In one embodiment, the fluid leak location mode may be automatically entered in response to the sensor signal crossing a threshold value. Additionally, an alarm signal may be generated in response to determining that the fluid sensor signal crosses the threshold value.Type: GrantFiled: September 23, 2016Date of Patent: March 19, 2019Assignee: KCI Licensing, Inc.Inventors: Christopher Brian Locke, Mark Stephen James Beard, David Robson Blandford, Timothy Mark Robinson
-
Patent number: 10159770Abstract: New and useful systems, methods, and apparatuses for automatically identifying alternative cell chemistries of batteries that power portable electric devices and adjusting the characteristics of such devices in response to the identification of such cells in a reduced-pressure therapy environment are set forth in the appended claims.Type: GrantFiled: January 9, 2014Date of Patent: December 25, 2018Assignee: KCI Licensing, Inc.Inventors: Christopher Brian Locke, Richard Daniel John Coulthard, David Robson Blandford
-
Publication number: 20180177928Abstract: An apparatus and method for managing reduced pressure at a tissue site are disclosed. The apparatus comprises a pump for supplying reduced pressure to the tissue site, a motor coupled to the pump to propel the pump, and a drive system electrically coupled to the motor that includes a power source that provides a source of direct current power to the motor during an operational period at a substantially constant current and of sufficient magnitude to supply a targeted reduced pressure during the operational period. The drive system also includes a controller that monitors the pump's loading on the motor by measuring the voltage across the motor to determine whether the motor voltage remains within a predetermined operational range of voltages necessary for maintaining the reduced pressure supplied by the pump proximate to the targeted reduced pressure without directly measuring the reduced pressure using a pressure sensor.Type: ApplicationFiled: December 28, 2017Publication date: June 28, 2018Inventors: Christopher Brian LOCKE, David Robson BLANDFORD, Richard Daniel John COULTHARD
-
Publication number: 20180064601Abstract: A reduced pressure treatment system is provided that includes a canister that is fluidly connected to a tissue site and is configured to receive fluid drawn from the tissue site under the influence of a reduced pressure. A reduced pressure source provides the reduced pressure and is fluidly connected to the tissue site by a fluid communication path, which may include a source conduit, the canister, and a target conduit. A sensing device communicates with the source conduit and is configured to sense a pressure in the source conduit. A valve communicates with the source conduit and is configured to vent the reduced pressure. A processing unit communicates with the sensing device and the valve and is configured to open the valve for a selected amount of time, determine a decay of reduced pressure, and determine a fill status of the canister based on the decay of reduced pressure.Type: ApplicationFiled: November 14, 2017Publication date: March 8, 2018Inventors: Christopher Brian LOCKE, Timothy Mark ROBINSON, David Robson BLANDFORD
-
Patent number: 9889240Abstract: An apparatus and method for managing reduced pressure at a tissue site are disclosed. The apparatus comprises a pump for supplying reduced pressure to the tissue site, a motor coupled to the pump to propel the pump, and a drive system electrically coupled to the motor that includes a power source that provides a source of direct current power to the motor during an operational period at a substantially constant current and of sufficient magnitude to supply a targeted reduced pressure during the operational period. The drive system also includes a controller that monitors the pump's loading on the motor by measuring the voltage across the motor to determine whether the motor voltage remains within a predetermined operational range of voltages necessary for maintaining the reduced pressure supplied by the pump proximate to the targeted reduced pressure without directly measuring the reduced pressure using a pressure sensor.Type: GrantFiled: October 7, 2016Date of Patent: February 13, 2018Assignee: KCI Licensing, Inc.Inventors: Christopher Brian Locke, David Robson Blandford, Richard Daniel John Coulthard
-
Patent number: 9844485Abstract: A reduced pressure treatment system is provided that includes a canister that is fluidly connected to a tissue site and is configured to receive fluid drawn from the tissue site under the influence of a reduced pressure. A reduced pressure source provides the reduced pressure and is fluidly connected to the tissue site by a fluid communication path, which may include a source conduit, the canister, and a target conduit. A sensing device communicates with the source conduit and is configured to sense a pressure in the source conduit. A valve communicates with the source conduit and is configured to vent the reduced pressure. A processing unit communicates with the sensing device and the valve and is configured to open the valve for a selected amount of time, determine a decay of reduced pressure, and determine a fill status of the canister based on the decay of reduced pressure.Type: GrantFiled: October 28, 2015Date of Patent: December 19, 2017Assignee: KCI Licensing, Inc.Inventors: Christopher Brian Locke, Timothy Mark Robinson, David Robson Blandford
-
Publication number: 20170035948Abstract: An apparatus and method for managing reduced pressure at a tissue site are disclosed. The apparatus comprises a pump for supplying reduced pressure to the tissue site, a motor coupled to the pump to propel the pump, and a drive system electrically coupled to the motor that includes a power source that provides a source of direct current power to the motor during an operational period at a substantially constant current and of sufficient magnitude to supply a targeted reduced pressure during the operational period. The drive system also includes a controller that monitors the pump's loading on the motor by measuring the voltage across the motor to determine whether the motor voltage remains within a predetermined operational range of voltages necessary for maintaining the reduced pressure supplied by the pump proximate to the targeted reduced pressure without directly measuring the reduced pressure using a pressure sensor.Type: ApplicationFiled: October 7, 2016Publication date: February 9, 2017Inventors: Christopher Brian Locke, David Robson Blandford, Richard Daniel John Coulthard
-
Publication number: 20170007748Abstract: A system and method for performing tissue therapy may include applying a reduced pressure to a tissue site, sensing a fluid parameter being applied to the tissue site, generating a fluid sensor signal in response to sensing the fluid parameter, and altering the fluid sensor signal in response to sensing that the fluid parameter changes. A fluid leak location mode may be entered. In response to the fluid leak location mode being entered, a graphical user interface that provides for fluid leak location functionality may be displayed. In one embodiment, the fluid leak location mode may be automatically entered in response to the sensor signal crossing a threshold value. Additionally, an alarm signal may be generated in response to determining that the fluid sensor signal crosses the threshold value.Type: ApplicationFiled: September 23, 2016Publication date: January 12, 2017Inventors: CHRISTOPHER BRIAN LOCKE, Mark Stephen James BEARD, David Robson BLANDFORD, Timothy Mark ROBINSON
-
Patent number: 9474679Abstract: A system and method for performing tissue therapy may include applying a reduced pressure to a tissue site, sensing a fluid parameter being applied to the tissue site, generating a fluid sensor signal in response to sensing the fluid parameter, and altering the fluid sensor signal in response to sensing that the fluid parameter changes. A fluid leak location mode may be entered. In response to the fluid leak location mode being entered, a graphical user interface that provides for fluid leak location functionality may be displayed. In one embodiment, the fluid leak location mode may be automatically entered in response to the sensor signal crossing a threshold value. Additionally, an alarm signal may be generated in response to determining that the fluid sensor signal crosses the threshold value.Type: GrantFiled: July 23, 2013Date of Patent: October 25, 2016Assignee: KCI Licensing, Inc.Inventors: Christopher Brian Locke, Mark Stephen James Beard, David Robson Blandford, Timothy Mark Robinson
-
Patent number: 9474838Abstract: An apparatus and method for managing reduced pressure at a tissue site are disclosed. The apparatus comprises a pump for supplying reduced pressure to the tissue site, a motor coupled to the pump to propel the pump, and a drive system electrically coupled to the motor that includes a power source that provides a source of direct current power to the motor during an operational period at a substantially constant current and of sufficient magnitude to supply a targeted reduced pressure during the operational period. The drive system also includes a controller that monitors the pump's loading on the motor by measuring the voltage across the motor to determine whether the motor voltage remains within a predetermined operational range of voltages necessary for maintaining the reduced pressure supplied by the pump proximate to the targeted reduced pressure without directly measuring the reduced pressure using a pressure sensor.Type: GrantFiled: April 19, 2012Date of Patent: October 25, 2016Assignee: KCI Licensing, Inc.Inventors: Christopher Brian Locke, David Robson Blandford, Richard Daniel John Coulthard
-
Publication number: 20160045648Abstract: A reduced pressure treatment system is provided that includes a canister that is fluidly connected to a tissue site and is configured to receive fluid drawn from the tissue site under the influence of a reduced pressure. A reduced pressure source provides the reduced pressure and is fluidly connected to the tissue site by a fluid communication path, which may include a source conduit, the canister, and a target conduit. A sensing device communicates with the source conduit and is configured to sense a pressure in the source conduit. A valve communicates with the source conduit and is configured to vent the reduced pressure. A processing unit communicates with the sensing device and the valve and is configured to open the valve for a selected amount of time, determine a decay of reduced pressure, and determine a fill status of the canister based on the decay of reduced pressure.Type: ApplicationFiled: October 28, 2015Publication date: February 18, 2016Inventors: Christopher Brian LOCKE, Timothy Mark ROBINSON, David Robson BLANDFORD
-
Patent number: 9199011Abstract: A reduced pressure treatment system is provided that includes a canister that is fluidly connected to a tissue site and is configured to receive fluid drawn from the tissue site under the influence of a reduced pressure. A reduced pressure source provides the reduced pressure and is fluidly connected to the tissue site by a fluid communication path, which may include a source conduit, the canister, and a target conduit. A sensing device communicates with the source conduit and is configured to sense a pressure in the source conduit. A valve communicates with the source conduit and is configured to vent the reduced pressure. A processing unit communicates with the sensing device and the valve and is configured to open the valve for a selected amount of time, determine a decay of reduced pressure, and determine a fill status of the canister based on the decay of reduced pressure.Type: GrantFiled: April 30, 2014Date of Patent: December 1, 2015Assignee: KCI Licensing, Inc.Inventors: Christopher Brian Locke, Timothy Mark Robinson, David Robson Blandford