Patents by Inventor Sunmi Chew

Sunmi Chew 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).

  • Publication number: 20040215331
    Abstract: Blood vessels and other body lumens are stented using multiple, discreet stent structures, or continuous coiled or mesh stent structures. Stent structures may be balloon expandable or self-expanding and are delivered by a delivery catheter which is repositioned to spaced-apart delivery sights. By coating the stents with particular biologically active substances, hyperplasia within and between the implanted stents can be inhibited. An exemplary delivery catheter comprises a catheter body having a deployment mechanism for deploying one or more stents of selectable length into the vessel.
    Type: Application
    Filed: July 21, 2003
    Publication date: October 28, 2004
    Applicant: XTENT, INC.
    Inventors: Sunmi Chew, Bernard Andreas, Hanson S. Gifford, Ron French, Mark E. Deem, Allan Will
  • Publication number: 20040193245
    Abstract: Devices and methods for treating aneurysms, such as abdominal aortic aneurysms (“AAA”) generally include one or more stent-graft devices. Some embodiments include self-expanding and/or balloon-expandable stent components and one or more graft components coupled with the stent components. Using various combinations of self-expanding stent members, balloon-expandable stent members, graft members, and/or anchoring members enhances the anchoring abilities of a stent-graft device to prevent leakage around it, and may further allow the device to be adjusted after placement at a site for treatment. Some embodiments further include a skirt graft member for further prevention of leakage and/or device slippage.
    Type: Application
    Filed: March 1, 2004
    Publication date: September 30, 2004
    Applicant: THE FOUNDRY, INC.
    Inventors: Mark Deem, Hanson S. Gifford, Bernard Andreas, Sunmi Chew, Ron French, Doug Sutton
  • Publication number: 20040154621
    Abstract: An implantable flow control element is provided which prevents air from entering an isolated portion of a patient's lung. The element may permit air to escape from the isolated portion so that the element acts like a valve. Systems for implanting pulmonary devices are also provided.
    Type: Application
    Filed: October 15, 2003
    Publication date: August 12, 2004
    Inventors: Mark E. Deem, Bernard H. Andreas, Sunmi Chew, Antony J. Fields, Ronald French, Hanson S. Gifford, Ronald R. Hundertmark, Alan R. Rapacki, Douglas S. Sutton, Peter M. Wilson
  • Publication number: 20040134487
    Abstract: An implantable flow control element is provided which prevents air from entering an isolated portion of a patient's lung. The element may permit air to escape from the isolated portion so that the element acts like a valve. Systems for implanting pulmonary devices are also provided.
    Type: Application
    Filed: November 6, 2003
    Publication date: July 15, 2004
    Inventors: Mark E. Deem, Bernard H. Andreas, Sunmi Chew, Antony J. Fields, Ronald French, Hanson S. Gifford, Ronald R. Hundertmark, Alan R. Rapacki, Douglas S. Sutton, Peter M. Wilson
  • Publication number: 20040122470
    Abstract: Devices and methods for augmenting or otherwise enhancing closure of body lumens comprise magnetic or magnetizable components or particles which are implanted in the wall of the lumen. The magnet fields exerted by the components or particles act to close the body lumen with a desired force.
    Type: Application
    Filed: July 1, 2003
    Publication date: June 24, 2004
    Inventors: Mark E. Deem, Hanson S. Gifford, Bernard Andreas, Sunmi Chew, Ron French, Doug Sutton
  • Publication number: 20040098081
    Abstract: Apparatus for delivering stents to body lumens include one or more tubular prostheses carried at the distal end of a catheter shaft, a sheath slidably disposed over the prostheses, and a guidewire tube extending from within the sheath to the exterior of the sheath through an exit port in a sidewall thereof. A guidewire extends slidably through the guidewire tube. The sheath can be moved relative to the catheter shaft and the guidewire tube to expose the prostheses for deployment. Methods of delivering stents are also provided.
    Type: Application
    Filed: August 8, 2003
    Publication date: May 20, 2004
    Applicant: XTENT, INC.
    Inventors: Steve Landreville, Bernard Andreas, Pablo Acosta, Sunmi Chew
  • Publication number: 20040073190
    Abstract: Methods and devices provide delivery of one or more therapeutic agents to a treatment site at or near an aneurysm, such as an abdominal aortic aneurysm (“AAA”). Methods typically include placing a device at or near the AAA and releasing one or more therapeutic agents from the device. This may also involve releasing multiple agents in sequential fashion. Examples of possible therapeutic agents include doxycycline, roxithromycin, tetracycline, tetracycline derivatives, and collagen promoting agents, such as propranolol. Devices used to deliver one or more therapeutic agents may include stents, grafts, stent grafts, balloons with perforations and/or needles, expandable wire baskets, drug-eluting capsules, or suitable combinations thereof. One embodiment includes a stent graft with a distally-extending skirt and an supra-renal anchor.
    Type: Application
    Filed: July 1, 2003
    Publication date: April 15, 2004
    Applicant: THE FOUNDRY INC.
    Inventors: Mark Deem, Hanson S. Gifford, Bernard Andreas, Sunmi Chew, Ron French, Doug Sutton
  • Patent number: 6712842
    Abstract: A liner is advanced through a narrowed region in a vessel such as the internal carotid artery. The liner is advanced through the narrowed region in a collapsed position. A stent is then advanced through the liner and expanded to open the narrowed region. The liner may also have an anchor which expands an end of the liner before the stent is introduced.
    Type: Grant
    Filed: March 9, 2000
    Date of Patent: March 30, 2004
    Inventors: Hanson S. Gifford, III, Ivan Sepetka, Mark E. Deem, Douglas S. Sutton, Allan R. Will, Martin S. Dieck, Sunmi Chew
  • Patent number: 6694979
    Abstract: An implantable flow control element is provided which prevents air from entering an isolated portion of a patient's lung. The element may permit air to escape from the isolated portion so that the element acts like a valve. Systems for implanting pulmonary devices are also provided.
    Type: Grant
    Filed: March 2, 2001
    Date of Patent: February 24, 2004
    Assignee: Emphasys Medical, Inc.
    Inventors: Mark E. Deem, Bernard H. Andreas, Sunmi Chew, Antony J. Fields, Ronald French, Hanson S. Gifford, III, Ronald R. Hundertmark, Alan R. Rapacki, Douglas S. Sutton, Peter M. Wilson
  • Publication number: 20030135266
    Abstract: Blood vessels and other body lumens are stented using multiple, discreet stent structures. Stent structures may be balloon expandable or self-expanding and are delivered by a delivery catheter which is repositioned to spaced-apart delivery sights. By coating the stents with particular biologically active substances, hyperplasia within and between the implanted stents can be inhibited. An exemplary delivery catheter comprises a catheter body having both a pusher rod for advancing the stents relative to a sheath and a reciprocatable delivery catheter for implanting the stents.
    Type: Application
    Filed: November 27, 2002
    Publication date: July 17, 2003
    Applicant: XTENT, INC.
    Inventors: Sunmi Chew, Bernard Andreas, Hanson S. Gifford, Ron French, Mark E. Deem
  • Publication number: 20020169495
    Abstract: A liner is advanced through a narrowed region in a vessel such as the internal carotid artery. The liner is advanced through the narrowed region in a collapsed position. A stent is then advanced through the liner and expanded to open the narrowed region. The liner may also have an anchor which expands an end of the liner before the stent is introduced.
    Type: Application
    Filed: March 4, 2002
    Publication date: November 14, 2002
    Inventors: Hanson S. Gifford, Ivan Sepetka, Mark E. Deem, Allan R. Will, Martin S. Dieck, Sunmi Chew
  • Patent number: 6383171
    Abstract: A liner is advanced through a narrowed region in a vessel such as the internal carotid artery. The liner is advanced through the narrowed region in a collapsed position. A stent is then advanced through the liner and expanded to open the narrowed region. The liner may also have an anchor which expands an end of the liner before the stent is introduced.
    Type: Grant
    Filed: October 12, 1999
    Date of Patent: May 7, 2002
    Inventors: Hanson S. Gifford, Ivan Sepetka, Mark E. Deem, Allan R. Will, Martin S. Dieck, Sunmi Chew
  • Publication number: 20010037808
    Abstract: An implantable flow control element is provided which prevents air from entering an isolated portion of a patient's lung. The element may permit air to escape from the isolated portion so that the element acts like a valve. Systems for implanting pulmonary devices are also provided.
    Type: Application
    Filed: March 2, 2001
    Publication date: November 8, 2001
    Inventors: Mark E. Deem, Bernard H. Andreas, Sunmi Chew, Antony J. Fields, Ronald French, Hanson S. Gifford, Ronald R. Hundertmark, Alan R. Rapacki, Douglas S. Sutton, Peter M. Wilson