Patents by Inventor Thanh Van Nguyen
Thanh Van Nguyen 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: 20160135840Abstract: Disclosed is an expandable percutaneous sheath, for introduction into the body while in a first, low cross-sectional area configuration, and subsequent expansion to a second, enlarged cross-sectional configuration. The sheath is maintained in the first, low cross-sectional configuration by a tubular restraint. In one application, the sheath is utilized to provide access for a diagnostic or therapeutic procedure such as percutaneous nephrostomy or urinary bladder access.Type: ApplicationFiled: January 25, 2016Publication date: May 19, 2016Applicant: Onset Medical, Inc.Inventors: George F. Kick, Thanh Van Nguyen, Samuel M. Shaolian
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Patent number: 9323224Abstract: Wall clock with a perpetual calendar mechanism comprising an outer case, a quartz movement, a day of the week disc, a tens disc and a units disc, a gear train for driving the discs, another gear train for driving a month indicator hand, a battery set for a clock movement, another battery set for a drive motor, a calendar cam with forty-eight interstices, the depths of the interstices are various, depending on the lengths of months spanning four years, including a leap year, and a three step cam formed on the rear surface of the units disc and a switch control assembly having a control arm which has one end thereof contacts a bottom of the interstice of the calendar cam, where the three step cam initiates an end-of-the-month day-correction mechanism.Type: GrantFiled: June 6, 2013Date of Patent: April 26, 2016Inventor: Thanh Van Nguyen
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Patent number: 9241735Abstract: Disclosed is an expandable percutaneous sheath, for introduction into the body while in a first, low cross-sectional area configuration, and subsequent expansion to a second, enlarged cross-sectional configuration. The sheath is maintained in the first, low cross-sectional configuration by a tubular restraint. In one application, the sheath is utilized to provide access for a diagnostic or therapeutic procedure such as percutaneous nephrostomy or urinary bladder access.Type: GrantFiled: December 5, 2003Date of Patent: January 26, 2016Assignee: Onset Medical CorporationInventors: George F. Kick, Thanh Van Nguyen, Samuel M. Shaolian
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Publication number: 20130329531Abstract: A wall clock with a perpetual calendar mechanism comprising an outer case, a quartz movement, a day of the week disc, a tens disc, and a units disc, a gear train for driving the discs, another gear train for driving a month indicator hand, a battery set for a clock movement, another battery set for a drive motor, a calendar cam with forty-eight interstices, the depths of the interstices are various, depending on the lengths of months spanning four years, including a leap year, and a three step cam formed on the rear surface of the units disc and a switch control assembly having a control arm which has one end thereof contacts a bottom of the interstice of the control arm, where the three step cam initiates an end-of-the-month day-correction mechanism.Type: ApplicationFiled: June 6, 2013Publication date: December 12, 2013Inventor: Thanh Van Nguyen
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Patent number: 8337556Abstract: A subcutaneously formed in place orthopedic fixation device is provided, such as for fixation of the spine or other bone or bones. The device comprises an inflatable member, such as a tubular balloon. The balloon is positioned at a treatment site in the body while in a flexible, low crossing profile configuration. The balloon is thereafter inflated with a hardenable epoxy media comprising one or more epoxy compounds and one or more amine curing compounds that cures rapidly in place with low to moderate exotherm. Methods and delivery structures are also disclosed.Type: GrantFiled: February 11, 2005Date of Patent: December 25, 2012Assignee: SDGI Holdings, Inc.Inventors: Samuel M. Shaolian, George P. Teitelbaum, Thanh Van Nguyen, To V. Pham, Richard H. Estes
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Patent number: 8211153Abstract: The present invention relates generally to systems and methods for aligning and implanting orthopedic fixation or stabilization implants within the body. In one embodiment, the system includes at least two bone anchors, at least one of which is provided with a transverse portal and a locking member. In one aspect, the system also includes at least one linkage rod, for linking two or more bone anchors through their respective locking members. The linking rod may include at least one angularly adjustable joint, which may be fixed by actuating the locking member. The bone anchors and the linkage rod may be locked into place to form a spinal fusion or fixation prosthesis.Type: GrantFiled: June 30, 2006Date of Patent: July 3, 2012Assignee: Warsaw Orthopedic, Inc.Inventors: Samuel M. Shaolian, Thanh Van Nguyen, To V. Pham, George P. Teitelbaum
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Patent number: 8167925Abstract: The present invention relates to the endoluminal repair of abdominal aortic aneurysms at the aortic and iliac bifurcation. In particular, a deployment system and graft are disclosed for deploying the bifurcated graft within both iliac branches, as well as the aortic trunk, from a single vascular access.Type: GrantFiled: March 25, 2010Date of Patent: May 1, 2012Assignee: Endologix, Inc.Inventors: Samuel M. Shaolian, Gilbert Madrid, To Van Pham, Trinh Van Pham, Thanh Van Nguyen
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Patent number: 8147535Abstract: Disclosed is a deployment catheter for deploying a tubular endoluminal vascular prosthesis, useful in treating, for example, an abdominal aortic aneurysm. The deployment catheter includes a proximal tubular section and a distal tubular section which are axially movable in opposite directions to deploy a prosthesis. A central core extends throughout the proximal tubular section and into the distal tubular section. A reinforcing structure is carried by the central core, spanning the junction between the proximal tubular section and distal tubular section, to improve flexibility characteristics of the catheter. In one embodiment, the proximal tubular section and/or distal tubular section are rotationally linked to the central core.Type: GrantFiled: July 25, 2005Date of Patent: April 3, 2012Assignee: Endologix, Inc.Inventors: Samuel M. Shaolian, Gilbert Madrid, Thanh Van Nguyen, Trinh Van Pham
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Patent number: 8034072Abstract: Disclosed is an expandable percutaneous sheath, for introduction into the body while in a first, low cross-sectional area configuration, and subsequent expansion to a second, enlarged cross-sectional configuration. The sheath is maintained in the first, low cross sectional configuration by a removable tubular restraint. In one application, the sheath is utilized to introduce a formed in place orthopedic fixation rod such as for use in spinal fixation procedures.Type: GrantFiled: August 10, 2005Date of Patent: October 11, 2011Assignee: Warsaw Orthopedic, Inc.Inventors: Thanh Van Nguyen, George P. Teitelbaum, To V. Pham, Samuel M. Shaolian
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Patent number: 7914555Abstract: Disclosed is an expandable percutaneous sheath, for introduction into the body while in a first, low cross-sectional area configuration, and subsequent expansion to a second, enlarged cross-sectional configuration. The sheath is maintained in the first, low cross-sectional configuration by a removable tubular restraint. In one application, the sheath is utilized to introduce a formed in place orthopedic fixation rod such as for use in spinal fixation procedures.Type: GrantFiled: January 13, 2006Date of Patent: March 29, 2011Assignee: Warsaw Orthopedic, Inc.Inventors: Thanh Van Nguyen, George P. Teitelbaum, To V. Pham, Samuel M. Shaolian
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Patent number: 7867233Abstract: Methods and devices for treating diseases and conditions that change the spacial relationship between the vertebral bodies and the intervertebral disks, or that cause instability of the vertebral column, or both, and a method and devices that allow the surgeon to access the intervertebral space to restore a more normal three-dimensional configuration of the space, with or without additionally fusing two adjacent vertebrae.Type: GrantFiled: June 25, 2003Date of Patent: January 11, 2011Assignee: Warsaw Orthopedic, Inc.Inventors: Samuel M. Shaolian, George P. Teitelbaum, Michael R. Henson, Thanh Van Nguyen, To V. Pham
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Patent number: 7833249Abstract: An implantable inflatable orthopedic device is provided. The device comprises a flexible wall, defining an interior cavity, a reinforcing element exposed to the cavity, an inflation pathway in communication with the cavity, and a valve, for closing the pathway. A delivery catheter is also provided for removably carrying the orthopedic device to the treatment site.Type: GrantFiled: May 26, 2004Date of Patent: November 16, 2010Assignee: Warsaw Orthopedic, Inc.Inventors: Samuel M. Shaolian, George P. Teitelbaum, To V. Pham, Thanh Van Nguyen
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Publication number: 20100256619Abstract: An embodiment of the present invention is directed to methods and devices for treating diseases and conditions that change the special relationship between vertebral bodies and intervertebral disks. A method for performing a transpedicular discectomy procedure may include creating a transpedicular channel to a first vertebral body through a first pedicle of a first vertebra; inserting a flexible drill through the transpedicular channel causing the flexible drill to make an approximately 90 degree angle, the flexible drill creating a channel through the first vertebral body into an intervertebral disk; and removing a portion of the intervertebral disk with a laser device.Type: ApplicationFiled: March 19, 2010Publication date: October 7, 2010Applicant: WARSAW ORTHOPEDIC, INC.Inventors: George P. Teitelbaum, Samuel M. Shaolian, Thanh Van Nguyen, Frank Nguyen, To V. Pham
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Patent number: 7780705Abstract: A subcutaneously formed in place orthopedic fixation device is provided, such as for fixation of the spine or other bone or bones. The device comprises an inflatable member, such as a tubular balloon. A heat source is provided in thermal communication with the interior of the balloon. The balloon is positioned at a treatment site while in a flexible, low crossing profile configuration. The balloon is thereafter inflated with a hardenable media, and heated to accelerate hardening of the media. Methods and delivery structures are also disclosed.Type: GrantFiled: June 14, 2005Date of Patent: August 24, 2010Assignee: Warsaw Orthopedic, Inc.Inventors: Samuel M. Shaolian, George P. Teitelbaum, To V. Pham, Thanh Van Nguyen, James Huntington Dabney
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Publication number: 20100179638Abstract: The present invention relates to the endoluminal repair of abdominal aortic aneurysms at the aortic and iliac bifurcation. In particular, a deployment system and graft are disclosed for deploying the bifurcated graft within both iliac branches, as well as the aortic trunk, from a single vascular access.Type: ApplicationFiled: March 25, 2010Publication date: July 15, 2010Applicant: ENDOLOGIX, INC.Inventors: Samuel M. Shaolian, Gilbert Madrid, To Van Pham, Trinh Van Pham, Thanh Van Nguyen
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Patent number: 7727262Abstract: A subcutaneously formed in place orthopedic fixation device is provided, such as for fixation of the spine or other bone or bones. The device comprises an inflatable member, such as a tubular balloon. A heat source is provided in thermal communication with the interior of the balloon. The balloon is positioned at a treatment site while in a flexible, low crossing profile configuration. The balloon is thereafter inflated with a hardenable media, and heated to accelerate hardening of the media. Methods and delivery structures are also disclosed.Type: GrantFiled: June 14, 2005Date of Patent: June 1, 2010Assignee: Warsaw Orthopedic, Inc.Inventors: Samuel M. Shaolian, George P. Teitelbaum, To V. Pham, Thanh Van Nguyen, Hunt Dabney
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Patent number: 7691135Abstract: The present invention relates to the endoluminal repair of abdominal aortic aneurysms at the aortic and iliac bifurcation. In particular, a deployment system and graft are disclosed for deploying the bifurcated graft within both iliac branches, as well as the aortic trunk, from a single vascular access.Type: GrantFiled: October 21, 2003Date of Patent: April 6, 2010Assignee: ENDOLOGIX, Inc.Inventors: Samuel M. Shaolian, Gilbert Madrid, To Van Pham, Trinh Van Pham, Thanh Van Nguyen
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Patent number: 7582106Abstract: A subcutaneously assembled in place orthopedic construct is provided, such as for fixation of the spine. The construct includes a first bar and a second bar for attachment to the spine. A crossbar connects the first and second bar, to provide additional structural support. Each of the first bar, the second bar, and the crossbar may be inserted in a minimally invasive procedure, and constructed in place to form the orthopedic device. Each of the first bar, second bar, and crossbar may comprise an inflatable container, adapted for inflation with a hardenable media and cured in place. Methods and delivery structures are also disclosed.Type: GrantFiled: October 20, 2003Date of Patent: September 1, 2009Inventors: George P. Teitelbaum, Samuel M. Shaolian, To V. Pham, Thanh Van Nguyen
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Patent number: 7329268Abstract: Disclosed is an expandable percutaneous sheath, for introduction into the body while in a first, low cross-sectional area configuration, and subsequent expansion to a second, enlarged cross-sectional configuration. The sheath is maintained in the first, low cross-sectional configuration by a removable tubular restraint. In one application, the sheath is utilized to introduce a formed in place orthopedic fixation rod such as for use in spinal fixation procedures.Type: GrantFiled: July 2, 2002Date of Patent: February 12, 2008Assignee: Warsaw Orthopedic, Inc.Inventors: Thanh Van Nguyen, George P. Teitelbaum, To V. Pham, Samuel M. Shaolian
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Patent number: 7318826Abstract: A flexible drill and method of drilling a material are disclosed. According to one embodiment, a flexible drill includes a lower sub-assembly connected to an upper sub-assembly, where the lower sub-assembly comprises a retainer tube and the upper sub-assembly comprises a guiding tube; a drilling tip, and capable of orienting the drilling tip at a predetermined position after accessing a material to he drilled through a substantially straight passage having a lone axis. The predetermined position is at least 10° off of the lone axis of the substantially straight passage. According to one embodiment, a method of drilling a material includes the steps of (a) providing a flexible drill; (b) advancing the drill through a substantially straight passage until the drilling tip accesses the material to be drilled, thereby orienting the drilling tip at the predetermined position; and (c) actuating the drill.Type: GrantFiled: April 22, 2003Date of Patent: January 15, 2008Assignee: SDGI Holdings, Inc.Inventors: George P. Teitelbaum, Samuel M. Shaolian, Thanh Van Nguyen, Frank Nguyen, To V. Pham, Vincent Divino, Jr., Michael R. Henson