Patents by Inventor Liem T. Vu

Liem T. Vu 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: 9931112
    Abstract: Endoscopic devices and methods used for fastening multiple tissue layers, such as, for example, an endoscopic fundoplication procedure, are disclosed. The endoluminal device includes a tissue fastener, a flexible needle having means for grasping and releasing a portion of the tissue fastener, and a deflector for deflecting and guiding the needle toward the multiple tissue layers.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: April 3, 2018
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Sergey S. Grigoryants, Liem T. Vu
  • Publication number: 20160081687
    Abstract: Endoscopic devices and methods used for fastening multiple tissue layers, such as, for example, an endoscopic fundoplication procedure, are disclosed. The endoluminal device includes a tissue fastener, a flexible needle having means for grasping and releasing a portion of the tissue fastener, and a deflector for deflecting and guiding the needle toward the multiple tissue layers.
    Type: Application
    Filed: December 2, 2015
    Publication date: March 24, 2016
    Applicant: Boston Scientific Scimed, Inc.
    Inventors: Sergey S. Grigoryants, Liem T. VU
  • Patent number: 9226746
    Abstract: Endoscopic devices and methods used for fastening multiple tissue layers, such as, for example, an endoscopic fundoplication procedure, are disclosed. The endoluminal device includes a tissue fastener, a flexible needle having means for grasping and releasing a portion of the tissue fastener, and a deflector for deflecting and guiding the needle toward the multiple tissue layers.
    Type: Grant
    Filed: August 1, 2013
    Date of Patent: January 5, 2016
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Sergey S. Grigoryants, Liem T. Vu
  • Publication number: 20130317524
    Abstract: Endoscopic devices and methods used for fastening multiple tissue layers, such as, for example, an endoscopic fundoplication procedure, are disclosed. The endoluminal device includes a tissue fastener, a flexible needle having means for grasping and releasing a portion of the tissue fastener, and a deflector for deflecting and guiding the needle toward the multiple tissue layers.
    Type: Application
    Filed: August 1, 2013
    Publication date: November 28, 2013
    Applicant: Boston Scientific Scimed, Inc.
    Inventors: Sergey S. Grigoryants, Liem T. Vu
  • Patent number: 8523886
    Abstract: Endoscopic devices and methods used for fastening multiple tissue layers, such as, for example, an endoscopic fundoplication procedure, are disclosed. The endoluminal device includes a tissue fastener, a flexible needle having means for grasping and releasing a portion of the tissue fastener, and a deflector for deflecting and guiding the needle toward the multiple tissue layers.
    Type: Grant
    Filed: May 13, 2011
    Date of Patent: September 3, 2013
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Sergey S. Grigoryants, Liem T. Vu
  • Patent number: 8460205
    Abstract: The invention includes a forceps and collection assembly for acquiring and storing a plurality of tissue samples in a single pass, and accompanying mechanisms for use with the forceps and collection assembly. The accompanying mechanisms include an endoscope working channel cap assembly configured to minimize compression of a pouch of the forceps and collection assembly as it traverses a seal of the cap assembly, and a flush adapter configured to be coupled to the pouch so as to assist in removing tissue samples in the pouch by flowing fluid through the pouch.
    Type: Grant
    Filed: November 29, 2011
    Date of Patent: June 11, 2013
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Adam L. Cohen, John B. Golden, Liem T. Vu
  • Patent number: 8231525
    Abstract: The invention relates to an endoscope channel cap that may be used separately with two or more endoscopes each having a cap interface portion with a different configuration. The channel cap also may include one or more seals to maintain insufflation pressure both when an endoscopic instrument is inserted in a working channel of the endoscope and when the instrument is not inserted in the channel.
    Type: Grant
    Filed: December 29, 2005
    Date of Patent: July 31, 2012
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Adam L. Cohen, John Golden, Liem T. Vu
  • Publication number: 20120137794
    Abstract: The invention includes a forceps and collection assembly for acquiring and storing a plurality of tissue samples in a single pass, and accompanying mechanisms for use with the forceps and collection assembly. The accompanying mechanisms include an endoscope working channel cap assembly configured to minimize compression of a pouch of the forceps and collection assembly as it traverses a seal of the cap assembly, and a flush adapter configured to be coupled to the pouch so as to assist in removing tissue samples in the pouch by flowing fluid through the pouch.
    Type: Application
    Filed: November 29, 2011
    Publication date: June 7, 2012
    Inventors: Adam L. Cohen, John B. Golden, Liem T. Vu
  • Patent number: 8083686
    Abstract: An embodiment of the invention includes a method for acquiring a plurality of tissue samples. The method includes using a device to cut a first tissue sample from an internal tissue tract of a patient and storing the first tissue sample in a container. Without removing the device from the patient, the method further includes using the device to cut a second tissue sample from the internal tissue tract and storing the tissues ample in the container. The method also includes coupling a fluid delivery device to the container to flush the first and second tissue samples from the container.
    Type: Grant
    Filed: August 5, 2009
    Date of Patent: December 27, 2011
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Adam L. Cohen, John B. Golden, Liem T. Vu
  • Publication number: 20110276063
    Abstract: Endoscopic devices and methods used for fastening multiple tissue layers, such as, for example, an endoscopic fundoplication procedure, are disclosed. The endoluminal device includes a tissue fastener, a flexible needle having means for grasping and releasing a portion of the tissue fastener, and a deflector for deflecting and guiding the needle toward the multiple tissue layers.
    Type: Application
    Filed: May 13, 2011
    Publication date: November 10, 2011
    Applicant: Boston Scientific Scimed, Inc.
    Inventors: Sergey S. GRIGORYANTS, Liem T. Vu
  • Patent number: 8034034
    Abstract: A syringe and a method of using the syringe are disclosed. The syringe includes a longitudinal body having proximal and distal ends and including an aperture between the proximal and distal ends. An injectable material, such as an adhesive bone cement, may be loaded into the body of the syringe through the aperture. After the injectable material is inserted, the aperture may be closed by covering the aperture with an aperture cover. The aperture cover may be configured to slide into a position covering the aperture, or the aperture cover may be placed in a position covering the aperture, such as by pivoting about a hinge. After the aperture is closed, the injectable material may be dispensed from the distal end of the syringe body by depressing a plunger. Depressing the plunger may initiate the closing of the aperture, or the aperture may be closed independently of plunger movement.
    Type: Grant
    Filed: January 12, 2009
    Date of Patent: October 11, 2011
    Assignee: Howmedica Osteonics Corp.
    Inventors: Brian J. Hess, Richard L. Walker, Jr., Liem T. Vu
  • Patent number: 7963974
    Abstract: Endoscopic devices and methods used for fastening multiple tissue layers, such as, for example, an endoscopic fundoplication procedure, are disclosed. The endoluminal device includes a tissue fastener, a flexible needle having means for grasping and releasing a portion of the tissue fastener, and a deflector for deflecting and guiding the needle toward the multiple tissue layers.
    Type: Grant
    Filed: September 15, 2006
    Date of Patent: June 21, 2011
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Sergey S. Grigoryants, Liem T. Vu
  • Patent number: 7951165
    Abstract: A medical instrument has a tubular member having a distal end and a proximal end, a handle attached to the proximal end of the tubular member, a distal assembly including a pivot and an end effector assembly supported on the pivot. The end effector assembly has a pair of end effectors. The medical instrument also includes an elongate member corresponding to each of the pair of end effectors. Each elongate member extends through the tubular member and has a proximal end attached to the handle and a distal end attached to the end effector assembly.
    Type: Grant
    Filed: August 18, 2003
    Date of Patent: May 31, 2011
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: John Golden, Liem T. Vu
  • Publication number: 20100179507
    Abstract: A syringe and a method of using the syringe are disclosed. The syringe includes a longitudinal body having proximal and distal ends and including an aperture between the proximal and distal ends. An injectable material, such as an adhesive bone cement, may be loaded into the body of the syringe through the aperture. After the injectable material is inserted, the aperture may be closed by covering the aperture with an aperture cover. The aperture cover may be configured to slide into a position covering the aperture, or the aperture cover may be placed in a position covering the aperture, such as by pivoting about a hinge. After the aperture is closed, the injectable material may be dispensed from the distal end of the syringe body by depressing a plunger. Depressing the plunger may initiate the closing of the aperture, or the aperture may be closed independently of plunger movement.
    Type: Application
    Filed: January 12, 2009
    Publication date: July 15, 2010
    Applicant: Stryker Development LLC
    Inventors: Brian J. Hess, Richard L. Walker, JR., Liem T. Vu
  • Publication number: 20100022913
    Abstract: The invention includes a forceps and collection assembly for acquiring and storing a plurality of tissue samples in a single pass, and accompanying mechanisms for use with the forceps and collection assembly. The accompanying mechanisms include an endoscope working channel cap assembly configured to minimize compression of a pouch of the forceps and collection assembly as it traverses a seal of the cap assembly, and a flush adapter configured to be coupled to the pouch so as to assist in removing tissue samples in the pouch by flowing fluid through the pouch.
    Type: Application
    Filed: August 5, 2009
    Publication date: January 28, 2010
    Inventors: Adam L. Cohen, John B. Golden, Liem T. Vu
  • Patent number: 7588545
    Abstract: The invention includes a forceps and collection assembly for acquiring and storing a plurality of tissue samples in a single pass, and accompanying mechanisms for use with the forceps and collection assembly. The accompanying mechanisms include an endoscope working channel cap assembly configured to minimize compression of a pouch of the forceps and collection assembly as it traverses a seal of the cap assembly, and a flush adapter configured to be coupled to the pouch so as to assist in removing tissue samples in the pouch by flowing fluid through the pouch.
    Type: Grant
    Filed: September 10, 2003
    Date of Patent: September 15, 2009
    Assignee: Boston Scientific SCIMED, Inc.
    Inventors: Adam L. Cohen, John B. Golden, Liem T. Vu
  • Patent number: 7125413
    Abstract: Endoscopic devices and methods used for fastening multiple tissue layers, such as, for example, an endoscopic fundoplication procedure, are disclosed. The endoluminal device includes a tissue fastener, a flexible needle having means for grasping and releasing a portion of the tissue fastener, and a deflector for deflecting and guiding the needle toward the multiple tissue layers.
    Type: Grant
    Filed: June 20, 2002
    Date of Patent: October 24, 2006
    Assignee: Scimed Life Systems, Inc.
    Inventors: Sergey S. Grigoryants, Liem T. Vu
  • Patent number: 7025721
    Abstract: The invention relates to an endoscope channel cap that may be used separately with two or more endoscopes each having a cap interface portion with a different configuration. The channel cap also may include one or more seals to maintain insufflation pressure both when an endoscopic instrument is inserted in a working channel of the endoscope and when the instrument is not inserted in the channel.
    Type: Grant
    Filed: January 29, 2004
    Date of Patent: April 11, 2006
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Adam L. Cohen, John Golden, Liem T. Vu
  • Publication number: 20030236536
    Abstract: Endoscopic devices and methods used for fastening multiple tissue layers, such as, for example, an endoscopic fundoplication procedure, are disclosed. The endoluminal device includes a tissue fastener, a flexible needle having means for grasping and releasing a portion of the tissue fastener, and a deflector for deflecting and guiding the needle toward the multiple tissue layers.
    Type: Application
    Filed: June 20, 2002
    Publication date: December 25, 2003
    Applicant: Scimed Life Systems, Inc.
    Inventors: Sergey S. Grigoryants, Liem T. Vu
  • Patent number: 5913865
    Abstract: A supporting structure for a ligating band dispensing device adapted to be coupled to a distal end of an endoscope comprises a substantially cylindrical outer support surface adapted to receive a plurality of ligating bands thereon, wherein the support surface includes a channel extending therethrough from a distal end to a proximal end. The support surface further includes a plurality of shallow slots and deeper slots disposed on the distal end for retaining a trigger string. The shallow slots and deeper slots may be arranged in an alternating fashion, and each of the slots may be narrower than the trigger string to prevent the trigger string from prematurely exiting the slots. The support surface may also include a plurality of axially extending ridges to assist in deployment of the ligating bands by preventing the bands from sliding along the trigger line and facilitating rolling of the bands along the support surface.
    Type: Grant
    Filed: May 15, 1998
    Date of Patent: June 22, 1999
    Assignee: Scimed Lifesystems, Inc.
    Inventors: Richard C. Fortier, Liem T. Vu