Patents by Inventor Christopher Daniel Locke

Christopher Daniel Locke 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: 20240148560
    Abstract: In some illustrative examples, a conduit interface may include a mounting surface and an exterior-facing surface positioned across from the mounting surface, an internal cavity, an inlet port, a vent, and a temporary plug. The internal cavity may include an opening positioned proximate to the mounting surface. The inlet port may be in in fluid communication with the internal cavity through the exterior-facing surface. The vent may be in fluid communication with the internal cavity through the exterior-facing surface. The temporary plug may be configured to temporarily preclude fluid communication through the vent. The conduit interface may be suitable for providing fluid communication with a dressing at a tissue site. Also provided are other examples, apparatus, systems, and methods.
    Type: Application
    Filed: December 12, 2023
    Publication date: May 9, 2024
    Inventors: Richard Daniel John Coulthard, Christopher Brian LOCKE
  • Patent number: 11957546
    Abstract: Systems, methods, and apparatuses for treating a tissue site are described. In some embodiments, the system may include a pouch having an upstream layer, a downstream layer, and an absorbent member enclosed between the upstream layer and the downstream layer. The upstream layer and the downstream layer may each include a hydrophobic side and a hydrophilic side. The hydrophilic side of both the upstream layer and the downstream layer may be positioned facing the absorbent member. The hydrophobic side of both the upstream layer and the downstream layer may form a portion of an exterior surface of the pouch such that fluid incident on the pouch is distributed laterally along the exterior surface of the pouch before being absorbed by the absorbent member.
    Type: Grant
    Filed: January 2, 2020
    Date of Patent: April 16, 2024
    Assignee: 3M Innovative Properties Company
    Inventors: Richard Daniel John Coulthard, Timothy Mark Robinson, Christopher Brian Locke
  • Patent number: 11957829
    Abstract: A system comprises a negative-pressure source including a pump and an electric motor for maintaining negative-pressure at the wound and a pressure sensor for sensing a wound site pressure (WP). The system further comprises a system controller coupled to the first pressure sensor and the electric motor. The system controller maintains the wound site pressure (WP) within a hysteresis band by the application of power to the electric motor from a battery power source, based upon, at least in part a flow rate (FR) of fluid between the pump and the wound site as determined by the system controller. The hysteresis band including a maximum wound site pressure (WPMax) and a minimum wound site pressure (WPMin).
    Type: Grant
    Filed: November 21, 2022
    Date of Patent: April 16, 2024
    Assignee: KCI Licensing, Inc.
    Inventors: Richard Daniel John Coulthard, Christopher Brian Locke
  • Patent number: 6042551
    Abstract: An improved spirometry assembly (20) is provided which includes a spirometer (22) and a sensor unit (24) coupled via handle assembly (26). The spirometer (22) has a reading slot (30) as well as an optical reader (36). The sensor unit (24) includes a tab (72) having at least one characterizing indicium (76) thereon which characterizes a response parameter of the sensor unit (24) upon flow of gas therethrough. In use, the reading slot (30) receives tab (72) and the reader (36) reads the indicium (76) and generates characterizing data representative thereof which is sent to a signal processor within the spirometer (22). The assembly (20) includes a measuring device such as a pressure transducer in operative communication with the interior ofthe sensor unit (24) for measuring a condition therein during patient-induced gas flow and generates pressure data.
    Type: Grant
    Filed: May 19, 1999
    Date of Patent: March 28, 2000
    Assignee: Nellcor Puritan-Bennett
    Inventors: Brian Arthur Harbrecht, Alvin Frederick Meyer, Christopher Daniel Locke
  • Patent number: 6019731
    Abstract: An improved spirometry assembly (20) is provided which includes a spirometer (22) and a sensor unit (24) coupled via handle assembly (26). The spirometer (22) has a reading slot (30) as well as an optical reader (36). The sensor unit (24) includes a tab (72) having at least one characterizing indicium (76) thereon which characterizes a response parameter of the sensor unit (24) upon flow of gas therethrough. In use, the reading slot (30) receives tab (72) and the reader (36) reads the indicium (76) and generates characterizing data representative thereof which is sent to a signal processor within the spirometer (22). The assembly (20) includes a measuring device such as a pressure transducer in operative communication with the interior of the sensor unit (24) for measuring a condition therein during patient-induced gas flow and generates pressure data.
    Type: Grant
    Filed: May 19, 1999
    Date of Patent: February 1, 2000
    Assignee: Nellcor Puritan Bennett
    Inventors: Brian Arthur Harbrecht, Alvin Frederick Meyer, Christopher Daniel Locke
  • Patent number: 5924994
    Abstract: An improved spirometry assembly (20) is provided which includes a spirometer (22) and a sensor unit (24) coupled via handle assembly (26). The spirometer (22) has a reading slot (30) as well as an optical reader (36). The sensor unit (24) includes a tab (72) having at least one characterizing indicium (76) thereon which characterizes a response parameter of the sensor unit (24) upon flow of gas therethrough. In use, the reading slot (30) receives tab (72) and the reader (36) reads the indicium (76) and generates characterizing data representative thereof which is sent to a signal processor within the spirometer (22). The assembly (20) includes a measuring device such as a pressure transducer in operative communication with the interior of the sensor unit (24) for measuring a condition therein during patient-induced gas flow and generates pressure data.
    Type: Grant
    Filed: September 24, 1997
    Date of Patent: July 20, 1999
    Assignee: Nellcor Puritan Bennett
    Inventors: Brian Arthur Harbrecht, Alvin Frederick Meyer, Christopher Daniel Locke