Patents by Inventor Lan Anh Nguyen Duong

Lan Anh Nguyen Duong 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: 9220548
    Abstract: A fixation system includes a plate comprising a top surface, a bottom surface, a central longitudinal axis, at least one fixation hole extending between the top and bottom surfaces and comprising an undercut therein, and at least one passage intersecting one of the undercuts. At least one resilient clip is disposed in at least a portion of the undercut, with the at least one clip having a pair of generally parallel sides and an end tab. At least one fastener is provided and comprises a head and a threaded shaft, with the head comprising a perimetral groove extending around at least a portion thereof and an instrument receiving portion. The at least one clip is configured and dimensioned to seat in the undercut with the end tab extending within the passage, and the at least one fastener is configured and dimensioned to be received in the at least one fixation hole and securable therein when the at least one clip abuts the perimetral groove of the head.
    Type: Grant
    Filed: November 22, 2010
    Date of Patent: December 29, 2015
    Assignee: DePuy Synthes Products, Inc.
    Inventors: Lan Anh Nguyen Duong, Sean S Suh, David S Rathbun, Thomas R Keyer, Lawrence J Binder, Jr.
  • Patent number: 8343195
    Abstract: A surgical drill guide for use with a bone plate having fastener holes oriented at predetermined angles with respect to the plate, the surgical drill guide having at least one alignment drill guiding barrel that is aligned with the respective fastener holes in the bone plate for drilling the holes at the desired range of angles permitted by the plate hole.
    Type: Grant
    Filed: June 25, 2010
    Date of Patent: January 1, 2013
    Assignee: Synthes USA, LLC
    Inventors: David S. Rathbun, Sean S. Suh, Christoph Andreas Roth, Lan Anh Nguyen Duong, Christopher J. Ryan
  • Publication number: 20120065682
    Abstract: A fixation system includes a plate comprising a top surface, a bottom surface, a central longitudinal axis, at least one fixation hole extending between the top and bottom surfaces and comprising an undercut therein, and at least one passage intersecting one of the undercuts. At least one resilient clip is disposed in at least a portion of the undercut, with the at least one clip having a pair of generally parallel sides and an end tab. At least one fastener is provided and comprises a head and a threaded shaft, with the head comprising a perimetral groove extending around at least a portion thereof and an instrument receiving portion. The at least one clip is configured and dimensioned to seat in the undercut with the end tab extending within the passage, and the at least one fastener is configured and dimensioned to be received in the at least one fixation hole and securable therein when the at least one clip abuts the perimetral groove of the head.
    Type: Application
    Filed: November 22, 2010
    Publication date: March 15, 2012
    Inventors: Lan Anh Nguyen Duong, Sean S. Suh, David S. Rathbun, Thomas R. Keyer, Lawrence J. Binder, JR.
  • Patent number: 7857839
    Abstract: A fixation system includes a plate comprising at least one fixation hole comprising an undercut therein, and at least one passage intersecting one of the undercuts. At least one resilient clip is disposed in at least a portion of the undercut, with the at least one clip having a pair of generally parallel sides and an end tab. At least one fastener is provided and comprises a head and a threaded shaft, with the head comprising a perimetral groove extending around at least a portion thereof and an instrument receiving portion. The at least one clip is configured and dimensioned to seat in the undercut with the end tab extending within the passage, and the at least one fastener is configured and dimensioned to be received in the at least one fixation hole and securable therein when the at least one clip abuts the perimetral groove of the head.
    Type: Grant
    Filed: September 3, 2003
    Date of Patent: December 28, 2010
    Assignee: Synthes USA, LLC
    Inventors: Lan Anh Nguyen Duong, Sean S. Suh, David S. Rathbun, Thomas R. Keyer, Lawrence J. Binder, Jr.
  • Publication number: 20100324566
    Abstract: A surgical drill guide for use with a bone plate having fastener holes oriented at predetermined angles with respect to the plate, the surgical drill guide having at least one alignment drill guiding barrel that is aligned with the respective fastener holes in the bone plate for drilling the holes at the desired range of angles permitted by the plate hole.
    Type: Application
    Filed: June 25, 2010
    Publication date: December 23, 2010
    Inventors: David S. Rathbun, Sean S. Suh, Christoph Andreas Roth, Lan Anh Nguyen Duong, Christopher J. Ryan
  • Patent number: 7763029
    Abstract: A surgical drill guide for use with a bone plate having fastener holes oriented at predetermined angles with respect to the plate, the surgical drill guide having at least one alignment drill guiding barrel that is aligned with the respective fastener holes in the bone plate for drilling the holes at the desired range of angles permitted by the plate hole.
    Type: Grant
    Filed: October 19, 2005
    Date of Patent: July 27, 2010
    Assignee: Synthes USA, LLC
    Inventors: David S. Rathbun, Sean S. Suh, Christoph Andreas Roth, Lan Anh Nguyen Duong, Christopher J. Ryan