Patents by Inventor David George Whyte
David George Whyte 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).
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Patent number: 11708826Abstract: Pump cassettes, wound-treatment apparatuses and methods. In some embodiments, a pump cassette comprises: a pump body having a pump chamber, an inlet valve in fluid communication with the pump chamber, and an outlet valve in fluid communication with the pump chamber; a diaphragm coupled to the pump body such that the diaphragm is movable to vary a volume in the pump chamber; and an identifier configured to store one or more properties of the pump cassette such that the identifier is readable by an automated reader to determine the one or more properties. In some embodiments, the pump cassette is configured to be removably coupled to a wound-treatment apparatus having an actuator such that the actuator can be activated to move the diaphragm.Type: GrantFiled: November 4, 2020Date of Patent: July 25, 2023Assignee: KCI Licensing, Inc.Inventors: Christopher Brian Locke, David George Whyte
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Patent number: 11471332Abstract: A dressing for treating a tissue site with negative pressure includes a manifold having a first surface and a second surface opposite the first surface. The dressing also includes a first layer adjacent to the first surface and a second layer adjacent to the second surface. The first layer and the second layer each include a polymer film. The dressing also includes a plurality of fluid restrictions in the polymer film adjacent to at least the first surface, and a plurality of bonds between the first layer and the second layer. The plurality of bonds defines separable sections of the manifold.Type: GrantFiled: June 5, 2018Date of Patent: October 18, 2022Assignee: KCI Licensing, Inc.Inventors: Christopher Brian Locke, Timothy Mark Robinson, David George Whyte
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Patent number: 11246758Abstract: An open-cavity, reduced-pressure treatment device and system for treating a cavity in a patient's body, such as an abdominal cavity, is presented. In one instance, an open-cavity, reduced-pressure treatment device includes a plurality of encapsulated leg members, each having an interior portion with a leg manifold member and formed with fenestrations operable to allow fluid flow into the interior portion, and a central connection member fluidly coupled to the plurality of encapsulated leg members. The central connection member has a connection manifold member. The open-cavity, reduced-pressure treatment devices, systems, and methods allow for, among other things, removal of fluids.Type: GrantFiled: June 4, 2019Date of Patent: February 15, 2022Assignee: KCI Licensing, Inc.Inventors: Ian James Hardman, David George Whyte, Christopher Brian Locke, Timothy Mark Robinson, James Joseph Sealy, Colin John Hall, Mark Stephen James Beard
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Publication number: 20210220182Abstract: In some illustrative embodiments, a system suitable for treating a tissue site may include a dressing, a low-profile conduit, a conduit interface, and a reduced-pressure source. The dressing may be adapted for positioning at the tissue site. The low-profile conduit may be adapted for fluidly coupling to the dressing. The low-profile conduit may include a manifold and a sealing member encapsulating the manifold. The conduit interface may be adapted for fluidly coupling to the low-profile conduit. The conduit interface may be in fluid communication with the dressing through the low-profile conduit. The reduced-pressure source may be adapted for fluid communication with the conduit interface. Other systems, devices, and methods are disclosed.Type: ApplicationFiled: April 9, 2021Publication date: July 22, 2021Inventors: Christopher Brian LOCKE, Timothy Mark ROBINSON, David George WHYTE
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Patent number: 11045594Abstract: Systems, methods, and apparatuses for treating a tissue site with reduced pressure are described. The system includes a manifold configured to be placed adjacent the tissue site, and a sealing member configured to be placed over the tissue site and the manifold. The system also includes a reduced-pressure source fluidly coupled to the manifold through the sealing member. The system further includes a pouch having an upstream layer having a first thickness, a downstream layer having a second thickness, and an absorbent member enclosed between the upstream layer and the downstream layer. The second thickness is greater than the first thickness. The upstream layer may have a hydrophilic side adjacent the absorbent member, and the downstream layer may have a hydrophobic side adjacent the absorbent member.Type: GrantFiled: September 22, 2017Date of Patent: June 29, 2021Assignee: KCI Licensing, Inc.Inventors: David George Whyte, Christopher Brian Locke, Richard Daniel John Coulthard
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Patent number: 11026844Abstract: In some illustrative embodiments, a system suitable for treating a tissue site may include a dressing, a low-profile conduit, a conduit interface, and a reduced-pressure source. The dressing may be adapted for positioning at the tissue site. The low-profile conduit may be adapted for fluidly coupling to the dressing. The low-profile conduit may include a manifold and a sealing member encapsulating the manifold. The conduit interface may be adapted for fluidly coupling to the low-profile conduit. The conduit interface may be in fluid communication with the dressing through the low-profile conduit. The reduced-pressure source may be adapted for fluid communication with the conduit interface. Other systems, devices, and methods are disclosed.Type: GrantFiled: February 24, 2015Date of Patent: June 8, 2021Assignee: KCI Licensing, Inc.Inventors: Christopher Brian Locke, Timothy Mark Robinson, David George Whyte
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Publication number: 20210046223Abstract: Pump cassettes, wound-treatment apparatuses and methods. In some embodiments, a pump cassette comprises: a pump body having a pump chamber, an inlet valve in fluid communication with the pump chamber, and an outlet valve in fluid communication with the pump chamber; a diaphragm coupled to the pump body such that the diaphragm is movable to vary a volume in the pump chamber; and an identifier configured to store one or more properties of the pump cassette such that the identifier is readable by an automated reader to determine the one or more properties. In some embodiments, the pump cassette is configured to be removably coupled to a wound-treatment apparatus having an actuator such that the actuator can be activated to move the diaphragm.Type: ApplicationFiled: November 4, 2020Publication date: February 18, 2021Inventors: Christopher Brian LOCKE, David George WHYTE
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Patent number: 10905594Abstract: A method of manufacturing a reduced-pressure abdominal treatment system for treating an open abdominal cavity is provided. In some embodiments, the reduced-pressure abdominal treatment system has an open-cavity treatment device for providing reduced-pressure treatment to an abdominal cavity; a deep-tissue closure device for applying a closing force on a deep-tissue wound; and a surface-wound closure subsystem for providing a closing force on a surface wound. The method of manufacturing may also include providing a reduced-pressure supply subsystem. A method of treatment using a reduced-pressure abdominal treatment system is also disclosed.Type: GrantFiled: January 8, 2018Date of Patent: February 2, 2021Assignee: KCI Licensing, Inc.Inventors: David George Whyte, Colin John Hall, Mark Stephen James Beard, James Joseph Sealy, Keith Patrick Heaton, Ian James Hardman, Christopher Guy Coward
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Patent number: 10857290Abstract: Pump cassettes, wound-treatment apparatuses and methods. In some embodiments, a pump cassette comprises: a pump body having a pump chamber, an inlet valve in fluid communication with the pump chamber, and an outlet valve in fluid communication with the pump chamber; a diaphragm coupled to the pump body such that the diaphragm is movable to vary a volume in the pump chamber; and an identifier configured to store one or more properties of the pump cassette such that the identifier is readable by an automated reader to determine the one or more properties. In some embodiments, the pump cassette is configured to be removably coupled to a wound-treatment apparatus having an actuator such that the actuator can be activated to move the diaphragm.Type: GrantFiled: December 12, 2017Date of Patent: December 8, 2020Assignee: KCI Licensing, Inc.Inventors: Christopher Brian Locke, David George Whyte
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Patent number: 10786607Abstract: Illustrative embodiments of new and useful systems and methods for reduced-pressure therapy are described. One example embodiment is a manually-actuated pump for applying reduced-pressure therapy. The pump generally comprises a charging chamber, a regulated chamber, and a regulator passage between the charging chamber and the regulated chamber. A valve body controls fluid communication through the regulator passage, and a regulator spring may be engaged with the valve body to bias the valve body against a differential between a pressure in the regulated chamber and an ambient pressure. The regulator passage may have a bore size adapted deflect the valve body to cause an audible indication of a leak.Type: GrantFiled: January 19, 2018Date of Patent: September 29, 2020Assignee: KCI Licensing, Inc.Inventors: Christopher Brian Locke, Richard Daniel John Coulthard, David George Whyte
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Publication number: 20200000955Abstract: Systems, methods, and apparatuses for forming a multi-function core for a dressing are described. The multi-function core includes a contact layer configured to be positioned adjacent to a tissue site, a wicking layer adjacent to the contact layer, an ion exchange layer adjacent to the wicking layer, an absorbing layer adjacent to the ion exchange layer, a blocking layer adjacent to the absorbing layer, and an odor-absorbing layer adjacent to the blocking layer. The contact layer, the wicking layer, the ion exchange layer, the absorbing layer, the blocking layer, and the odor-absorbing layer are coextensive and formed from a plurality of fibers disposed in a fibrous web. Methods of manufacturing the multi-function core are also described.Type: ApplicationFiled: September 9, 2019Publication date: January 2, 2020Inventors: Brian ANDREWS, Timothy Mark ROBINSON, Christopher Brian LOCKE, David George WHYTE
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Patent number: 10485891Abstract: Systems, methods, and apparatuses for forming a multi-function core for a dressing are described. The multi-function core includes a contact layer configured to be positioned adjacent to a tissue site, a wicking layer adjacent to the contact layer, an ion exchange layer adjacent to the wicking layer, an absorbing layer adjacent to the ion exchange layer, a blocking layer adjacent to the absorbing layer, and an odor-absorbing layer adjacent to the blocking layer. The contact layer, the wicking layer, the ion exchange layer, the absorbing layer, the blocking layer, and the odor-absorbing layer are coextensive and formed from a plurality of fibers disposed in a fibrous web. Methods of manufacturing the multi-function core are also described.Type: GrantFiled: September 29, 2015Date of Patent: November 26, 2019Assignee: KCI Licensing, Inc.Inventors: Brian Andrews, Timothy Mark Robinson, Christopher Brian Locke, David George Whyte
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Publication number: 20190282405Abstract: An open-cavity, reduced-pressure treatment device and system for treating a cavity in a patient's body, such as an abdominal cavity, is presented. In one instance, an open-cavity, reduced-pressure treatment device includes a plurality of encapsulated leg members, each having an interior portion with a leg manifold member and formed with fenestrations operable to allow fluid flow into the interior portion, and a central connection member fluidly coupled to the plurality of encapsulated leg members. The central connection member has a connection manifold member. The open-cavity, reduced-pressure treatment devices, systems, and methods allow for, among other things, removal of fluids.Type: ApplicationFiled: June 4, 2019Publication date: September 19, 2019Inventors: Ian James HARDMAN, David George WHYTE, Christopher Brian LOCKE, Timothy Mark ROBINSON, James Joseph SEALY, Colin John HALL, Mark Stephen James BEARD
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Publication number: 20190231600Abstract: A dressing for treating a tissue site with negative pressure includes a manifold having a first surface and a second surface opposite the first surface. The dressing also includes a first layer adjacent to the first surface and a second layer adjacent to the second surface. The first layer and the second layer each include a polymer film. The dressing also includes a plurality of fluid restrictions in the polymer film adjacent to at least the first surface, and a plurality of bonds between the first layer and the second layer. The plurality of bonds defines separable sections of the manifold.Type: ApplicationFiled: June 5, 2018Publication date: August 1, 2019Inventors: Christopher Brian LOCKE, Timothy Mark ROBINSON, David George WHYTE
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Patent number: 10350114Abstract: An open-cavity, reduced-pressure treatment device and system for treating a cavity in a patient's body, such as an abdominal cavity, is presented. In one instance, an open-cavity, reduced-pressure treatment device includes a plurality of encapsulated leg members, each having an interior portion with a leg manifold member and formed with fenestrations operable to allow fluid flow into the interior portion, and a central connection member fluidly coupled to the plurality of encapsulated leg members. The central connection member has a connection manifold member. The open-cavity, reduced-pressure treatment devices, systems, and methods allow for, among other things, removal of fluids.Type: GrantFiled: February 8, 2016Date of Patent: July 16, 2019Assignee: KCI Licensing, Inc.Inventors: Ian James Hardman, David George Whyte, Christopher Brian Locke, Timothy Mark Robinson, James Joseph Sealy, Colin John Hall, Mark Stephen James Beard
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Publication number: 20180256406Abstract: A method of manufacturing a reduced-pressure abdominal treatment system for treating an open abdominal cavity is provided. In some embodiments, the reduced-pressure abdominal treatment system has an open-cavity treatment device for providing reduced-pressure treatment to an abdominal cavity; a deep-tissue closure device for applying a closing force on a deep-tissue wound; and a surface-wound closure subsystem for providing a closing force on a surface wound. The method of manufacturing may also include providing a reduced-pressure supply subsystem. A method of treatment using a reduced-pressure abdominal treatment system is also disclosed.Type: ApplicationFiled: January 8, 2018Publication date: September 13, 2018Inventors: David George WHYTE, Colin John HALL, Mark Stephen James BEARD, James Joseph SEALY, Keith Patrick HEATON, Ian James HARDMAN, Christopher Guy COWARD
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Publication number: 20180207329Abstract: Illustrative embodiments of new and useful systems and methods for reduced-pressure therapy are described. One example embodiment is a manually-actuated pump for applying reduced-pressure therapy. The pump generally comprises a charging chamber, a regulated chamber, and a regulator passage between the charging chamber and the regulated chamber. A valve body controls fluid communication through the regulator passage, and a regulator spring may be engaged with the valve body to bias the valve body against a differential between a pressure in the regulated chamber and an ambient pressure. The regulator passage may have a bore size adapted deflect the valve body to cause an audible indication of a leak.Type: ApplicationFiled: January 19, 2018Publication date: July 26, 2018Inventors: Christopher Brian LOCKE, Richard Daniel John COULTHARD, David George WHYTE
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Publication number: 20180099131Abstract: Pump cassettes, wound-treatment apparatuses and methods. In some embodiments, a pump cassette comprises: a pump body having a pump chamber, an inlet valve in fluid communication with the pump chamber, and an outlet valve in fluid communication with the pump chamber; a diaphragm coupled to the pump body such that the diaphragm is movable to vary a volume in the pump chamber; and an identifier configured to store one or more properties of the pump cassette such that the identifier is readable by an automated reader to determine the one or more properties. In some embodiments, the pump cassette is configured to be removably coupled to a wound-treatment apparatus having an actuator such that the actuator can be activated to move the diaphragm.Type: ApplicationFiled: December 12, 2017Publication date: April 12, 2018Inventors: Christopher Brian Locke, David George Whyte
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Patent number: 9907889Abstract: Illustrative embodiments of new and useful systems and methods for reduced-pressure therapy are described. One example embodiment is a manually-actuated pump for applying reduced-pressure therapy. The pump generally comprises a charging chamber, a regulated chamber, and a regulator passage between the charging chamber and the regulated chamber. A valve body controls fluid communication through the regulator passage, and a regulator spring may be engaged with the valve body to bias the valve body against a differential between a pressure in the regulated chamber and an ambient pressure. The regulator passage may have a bore size adapted deflect the valve body to cause an audible indication of a leak.Type: GrantFiled: January 15, 2014Date of Patent: March 6, 2018Assignee: KCI Licensing, Inc.Inventors: Christopher Brian Locke, Richard Daniel John Coulthard, David George Whyte
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Patent number: 9895270Abstract: A method of manufacturing a reduced-pressure abdominal treatment system for treating an open abdominal cavity of a patient is provided. A reduced-pressure abdominal treatment system has an open-cavity treatment device for providing reduced-pressure treatment to a patient's abdominal cavity; a deep-tissue closure device for applying a closing force on a deep-tissue wound on a patient's fascia; a surface-wound closure subsystem for providing a closing force on a surface wound on the patient's epidermis. The method of manufacturing may also include the step of providing a reduced-pressure supply subsystem.Type: GrantFiled: November 12, 2013Date of Patent: February 20, 2018Assignee: KCI Licensing, Inc.Inventors: Christopher Guy Coward, Mark Stephen James Beard, Colin John Hall, Ian James Hardman, Keith Patrick Heaton, James Joseph Sealy, David George Whyte