Patents by Inventor Dean Hu
Dean Hu 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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Publication number: 20180169308Abstract: Disclosed herein are devices and methods for reduced pressure tissue therapy. Some variations of suction devices for reduced pressure tissue therapy comprise a housing, a suction force generating mechanism located within the housing, and a storage module configured to retain tissue exudates. In some variations, the storage module includes a sleeve configured to collect tissue exudates. The sleeve may include a support element to help maintain the lateral structural integrity of the sleeve and/or retain the cross-sectional geometry of the sleeve under negative pressure. In use, the storage module may reduce sanitary and/or biohazard risks by preventing the exudates from contacting the housing and/or suction force generating mechanism. The storage module is configured to be replaced so that the housing and suction force generating mechanism can be used for more than one session.Type: ApplicationFiled: August 16, 2016Publication date: June 21, 2018Inventors: Dean HU, Kenneth WU
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Patent number: 9993235Abstract: Disclosed herein is a non-vascular fistula treatment system. The system may include a collapsible member, at least one tether, and a bioresorbable material. The collapsible member may be configured for positioning through a fistula tract and may comprise first and second disc members. The outer perimeter of the second disc member may be larger than the outer perimeter of the first disc member, and the first disc member may comprise a tether attachment structure. The at least one tether may be attached to the tether attachment structure. The bioresorbable material may be configured for placement in the fistula tract and may comprise a coupling structure configured to couple to the at least one tether. The second disc member may be configured to seal to a surface of a body lumen at a distal opening of the fistula tract and occlude the fistula tract at the distal opening.Type: GrantFiled: February 15, 2013Date of Patent: June 12, 2018Assignee: Curaseal Inc.Inventors: Akshay Mavani, Kenton Fong, Leif Erik Bansner, Nathan Christopher Maier, Dean Hu, Moshe Pinto, Harold Francis Carrison, Eliot Kim
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Publication number: 20180104393Abstract: Disclosed herein are devices, systems and methods for using such devices and systems for treating incisions and wounds. In an aspect, disclosed is a device having a generally planar tension relief module and a flexible sealant structure sized to cover the tension relief module, the flexible sealant structure comprising a lower adhesive surface. The tension relief module includes a conduit structure having a plurality of support structures on an upper surface of the conduit structure and at least one opening extending through the conduit structure from a lower surface to the upper surface. At least a portion of the conduit structure is adapted to be aligned with a longitudinal axis of the incision. The tension relief module also includes opposing adhesive structures coupled to the conduit structure. The lower adhesive surface of the flexible sealant structure and the upper surface of the conduit structure form a flow pathway.Type: ApplicationFiled: October 5, 2017Publication date: April 19, 2018Inventors: Kenneth WU, Dean HU, Sumona NAG
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Patent number: 9943629Abstract: Described herein are alarm systems for suction devices for reduced pressure therapy. Alarms systems provide alerts to the patient and/or practitioner regarding the ability of the suction device to continue to provide negative pressure to a tissue region. Alarm systems comprise a sensor mechanism, which is capable of detecting the position of a slidable seal within the suction device, and generating an alert. Certain variations of alarms systems comprise magnetic field sensitive switches and/or electric switches. Other variations of alarm systems comprise rotary encoders to detect the motion and location of constant force springs, which signal the notification mechanism to issue alerts accordingly. Described herein are alarm devices configured to retain a suction device therein and to attach the suction device to a patient. The alarm devices disclosed herein detect the depleted state of the suction device and are capable of retaining the suction device in a plurality of orientations.Type: GrantFiled: August 4, 2014Date of Patent: April 17, 2018Assignee: KCI Licensing, Inc.Inventors: Dean Hu, Thomas Yorkey, Evan Anderson, Kenneth Wu
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Patent number: 9895471Abstract: Methods and devices for treatment of damaged tissue are disclosed, including treatment of wounds by employing non-electrically powered, reduced pressure therapy devices. Maintenance and control of the sub atmospheric pressure exerted may be provided by such devices while minimizing discomfort to the user. The devices may be configured to be worn inconspicuously underneath clothing.Type: GrantFiled: February 5, 2015Date of Patent: February 20, 2018Assignee: KCI Licensing, Inc.Inventors: Dean Hu, Moshe Pinto, Kenton Fong
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Publication number: 20170326285Abstract: Dialysis systems and methods are described which can include a number of features. The dialysis systems described can be to provide dialysis therapy to a patient in the comfort of their own home. The dialysis system can be configured to prepare purified water from a tap water source in real-time that is used for creating a dialysate solution. The dialysis systems described also include features that make it easy for a patient to self-administer therapy. For example, the dialysis systems include disposable cartridge and patient tubing sets that are easily installed on the dialysis system and automatically align the tubing set, sensors, venous drip chamber, and other features with the corresponding components on the dialysis system. Methods of use are also provided, including automated priming sequences, blood return sequences, and dynamic balancing methods for controlling a rate of fluid transfer during different types of dialysis, including hemodialysis, ultrafiltration, and hemodiafiltration.Type: ApplicationFiled: July 20, 2017Publication date: November 16, 2017Inventors: Michael Edward HOGARD, Gopi LINGAM, Dean HU, Balaji M. MANIAM, James RITSON, Andy H. UCHIDA, John David STIENMIER, Paul David McGREGOR
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Patent number: 9808562Abstract: Disclosed herein are devices, systems and methods for using such devices and systems for treating incisions and wounds. In an aspect, disclosed is a device having a generally planar tension relief module and a flexible sealant structure sized to cover the tension relief module, the flexible sealant structure comprising a lower adhesive surface. The tension relief module includes a conduit structure having a plurality of support structures on an upper surface of the conduit structure and at least one opening extending through the conduit structure from a lower surface to the upper surface. At least a portion of the conduit structure is adapted to be aligned with a longitudinal axis of the incision. The tension relief module also includes opposing adhesive structures coupled to the conduit structure. The lower adhesive surface of the flexible sealant structure and the upper surface of the conduit structure form a flow pathway.Type: GrantFiled: June 1, 2015Date of Patent: November 7, 2017Assignee: KCI Licensing, Inc.Inventors: Kenneth Wu, Dean Hu, Sumona Nag
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Publication number: 20170304512Abstract: A surgical tissue therapy device includes a sealant layer and a collection chamber. The sealant layer functions so as to create a sealed enclosure, or space between it and the surface of a patient, by forming an airtight seal around a surgical area of skin trauma. The closed incision tissue therapy device also comprises a collection chamber, which may comprise an elongate tubular chamber with a plurality of longitudinally spaced openings. The collection chamber may be configured to be in fluid communication with the sealant layer and the area of skin trauma and functions as to distribute the negative pressure applied to a surgically closed area of skin trauma. Preferably, the pressure under the sealant layer is reduced by expanding the volume of the enclosure space and thereby decreasing the density of air molecules under the sealant layer. The collection material may comprise a material and/or a configuration that permits length changes based upon the length of the corresponding surgical wound or incision.Type: ApplicationFiled: April 20, 2016Publication date: October 26, 2017Inventors: Dean HU, Kenton FONG, Moshe PINTO, Kenneth WU, Craig MC GREEVY, Brendan DONOHOE
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Publication number: 20170246039Abstract: Disclosed herein are devices, systems and methods for delivering reduced pressure to a load-bearing wound site. The device can include a distal port configured to connect to a wound dressing positioned over the wound site; a proximal port located a distance from the distal port and configured to connect to a reduced pressure source, and a conduit body having an inner channel extending between the distal port and the proximal port. When the distal port is applied to the wound dressing positioned over the wound site the proximal port is positioned at a non-load bearing location remote from the wound dressing. The inner channel has a non-circular profile having a width larger than a height of the conduit body.Type: ApplicationFiled: May 17, 2017Publication date: August 31, 2017Inventors: Kenneth WU, Darren NG, Jennifer LEE, Dean HU
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Patent number: 9681993Abstract: Disclosed herein are devices, systems and methods for delivering reduced pressure to a load-bearing wound site. The device can include a distal port configured to connect to a wound dressing positioned over the wound site; a proximal port located a distance from the distal port and configured to connect to a reduced pressure source, and a conduit body having an inner channel extending between the distal port and the proximal port. When the distal port is applied to the wound dressing positioned over the wound site the proximal port is positioned at a non-load bearing location remote from the wound dressing. The inner channel has a non-circular profile having a width larger than a height of the conduit body.Type: GrantFiled: June 7, 2012Date of Patent: June 20, 2017Assignee: KCI Licensing, Inc.Inventors: Kenneth Wu, Darren Ng, Jennifer Lee, Dean Hu
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Publication number: 20170128641Abstract: Methods and devices for treatment of damaged tissue are disclosed, including treatment of wounds by employing non-electrically powered, reduced pressure therapy devices. The devices are capable of generating a substantially constant reduced pressure with low tolerance for pressure fluctuations. Also disclosed herein are reduced pressure therapy systems that comprise an alarm system to detect the depleted state of the suction device and provide an alert to the patient and/or practitioner.Type: ApplicationFiled: January 19, 2017Publication date: May 11, 2017Inventors: Dean HU, Thomas YORKEY, Evan ANDERSON, Kenneth WU, Tony COXUM
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Publication number: 20170128272Abstract: A treatment system including a tension relief layer having a central elastic region coupled between a pair of opposing wings; a porous region within the central elastic region that allows for the passage of material from an incision or wound to an upper surface of the tension relief layer; and a conformable sealing layer configured to be applied over the tension relief layer and adhered forming a sealed space around at least a portion of the wound. At least a portion of each of the opposing wings have adhesive lower surfaces. The opposing wings are configured to be stretched away from one another towards a first tensile configuration and while held in the first tensile configuration adhered to skin on opposing sides of the incision or wound. Related devices, systems and methods are also described.Type: ApplicationFiled: February 11, 2015Publication date: May 11, 2017Inventors: Kenneth WU, Dean HU
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Patent number: 9579440Abstract: Dialysis systems and methods are described which can include a number of features. The dialysis systems described can be to provide dialysis therapy to a patient in the comfort of their own home. The dialysis system can be configured to prepare purified water from a tap water source in real-time that is used for creating a dialysate solution. The dialysis systems described also include features that make it easy for a patient to self-administer therapy. For example, the dialysis systems include disposable cartridge and patient tubing sets that are easily installed on the dialysis system and automatically align the tubing set, sensors, venous drip chamber, and other features with the corresponding components on the dialysis system. Methods of use are also provided, including automated priming sequences, blood return sequences, and dynamic balancing methods for controlling a rate of fluid transfer during different types of dialysis, including hemodialysis, ultrafiltration, and hemodiafiltration.Type: GrantFiled: August 7, 2015Date of Patent: February 28, 2017Assignee: OUTSET MEDICAL, INC.Inventors: Michael Edward Hogard, Gopi Lingam, Dean Hu, Balaji M. Maniam, James Ritson, Andy H. Uchida, John David Stienmier, Paul David McGregor
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Patent number: 9579430Abstract: Methods and devices for treatment of damaged tissue are disclosed, including treatment of wounds by employing non-electrically powered, reduced pressure therapy devices. The devices are capable of generating a substantially constant reduced pressure with low tolerance for pressure fluctuations. Also disclosed herein are reduced pressure therapy systems that comprise an alarm system to detect the depleted state of the suction device and provide an alert to the patient and/or practitioner.Type: GrantFiled: May 1, 2014Date of Patent: February 28, 2017Assignee: KCI Licensing, Inc.Inventors: Dean Hu, Thomas Yorkey, Evan Anderson, Kenneth Wu, Tony Coxum
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Patent number: 9504777Abstract: Dialysis systems and methods are described which can include a number of features. The dialysis systems described can be to provide dialysis therapy to a patient in the comfort of their own home. The dialysis system can be configured to prepare purified water from a tap water source in real-time that is used for creating a dialysate solution. The dialysis systems described also include features that make it easy for a patient to self-administer therapy. For example, the dialysis systems include disposable cartridge and patient tubing sets that are easily installed on the dialysis system and automatically align the tubing set, sensors, venous drip chamber, and other features with the corresponding components on the dialysis system. Methods of use are also provided, including automated priming sequences, blood return sequences, and dynamic balancing methods for controlling a rate of fluid transfer during different types of dialysis, including hemodialysis, ultrafiltration, and hemodiafiltration.Type: GrantFiled: August 7, 2015Date of Patent: November 29, 2016Assignee: OUTSET MEDICAL, INC.Inventors: Michael Edward Hogard, Gopi Lingam, Dean Hu, Balaji M. Maniam, James Ritson, Andy H. Uchida, John David Stienmier, Paul David McGregor
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Publication number: 20160324693Abstract: A surgical tissue therapy device includes a sealant layer and a collection chamber. The sealant layer functions so as to create a sealed enclosure or space between it and the surface of a patient by forming, preferably, an airtight seal around a surgical area of skin trauma. The closed incision tissue therapy device also comprises a collection chamber, which may comprise an elongate tubular chamber with a plurality of longitudinally spaced openings. The collection chamber may be configured to be in fluid communication with the sealant layer and the area of skin trauma and functions as to distribute the negative pressure applied to a surgically closed area of skin trauma. Preferably, the pressure under the sealant layer is reduced by expanding the volume of the enclosure space and thereby decreasing the density of air molecules under the sealant layer.Type: ApplicationFiled: July 21, 2016Publication date: November 10, 2016Inventors: Dean HU, Moshe PINTO, Kenton FONG, Akshay MAVANI, Kenneth WU
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Patent number: 9421133Abstract: A surgical tissue therapy device includes a sealant layer and a collection chamber. The sealant layer functions so as to create a sealed enclosure or space between it and the surface of a patient by forming, preferably, an airtight seal around a surgical area of skin trauma. The closed incision tissue therapy device also comprises a collection chamber, which may comprise an elongate tubular chamber with a plurality of longitudinally spaced openings. The collection chamber may be configured to be in fluid communication with the sealant layer and the area of skin trauma and functions as to distribute the negative pressure applied to a surgically closed area of skin trauma. Preferably, the pressure under the sealant layer is reduced by expanding the volume of the enclosure space and thereby decreasing the density of air molecules under the sealant layer.Type: GrantFiled: September 12, 2014Date of Patent: August 23, 2016Assignee: KCI Licensing, Inc.Inventors: Dean Hu, Moshe Pinto, Kenton Fong, Akshay Mavani, Kenneth Wu
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Patent number: 9402945Abstract: Dialysis systems and methods are described which can include a number of features. The dialysis systems described can be to provide dialysis therapy to a patient in the comfort of their own home. The dialysis system can be configured to prepare purified water from a tap water source in real-time that is used for creating a dialysate solution. The dialysis systems described also include features that make it easy for a patient to self-administer therapy. For example, the dialysis systems include disposable cartridge and patient tubing sets that are easily installed on the dialysis system and automatically align the tubing set, sensors, venous drip chamber, and other features with the corresponding components on the dialysis system. Methods of use are also provided, including automated priming sequences, blood return sequences, and dynamic balancing methods for controlling a rate of fluid transfer during different types of dialysis, including hemodialysis, ultrafiltration, and hemodiafiltration.Type: GrantFiled: August 7, 2015Date of Patent: August 2, 2016Assignee: OUTSET MEDICAL, INC.Inventors: Michael Edward Hogard, Gopi Lingam, Dean Hu, Balaji M. Maniam, James Ritson, Andy H. Uchida, John David Stienmier, Paul David McGregor
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Publication number: 20160184140Abstract: Reduced pressure wound therapy is performed on a sacral region of a patient using an adhesive dressing comprising a flexible planar layer and a non-planar fold-sealing region configured to seal to the intergluteal cleft of a patient. The fold-sealing region is located on an outer edge of the adhesive dressing and comprises a tapered configuration.Type: ApplicationFiled: January 7, 2016Publication date: June 30, 2016Inventors: Dean Hu, Kenton Fong, Moshe Pinto, Kenneth Wu, Evan Anderson, Tony Coxum, Brendan Donohoe, Philip Hui, Craig McGreevy
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Publication number: 20160175499Abstract: Disclosed herein are devices, systems and methods for using such devices and systems for treating incisions and wounds. In an aspect, disclosed is a device having a generally planar tension relief module and a flexible sealant structure sized to cover the tension relief module, the flexible sealant structure comprising a lower adhesive surface. The tension relief module includes a conduit structure having a plurality of support structures on an upper surface of the conduit structure and at least one opening extending through the conduit structure from a lower surface to the upper surface. At least a portion of the conduit structure is adapted to be aligned with a longitudinal axis of the incision. The tension relief module also includes opposing adhesive structures coupled to the conduit structure. The lower adhesive surface of the flexible sealant structure and the upper surface of the conduit structure form a flow pathway.Type: ApplicationFiled: June 1, 2015Publication date: June 23, 2016Inventors: Kenneth Wu, Dean Hu, Sumona Nag