Patents by Inventor Gordon Stewart

Gordon Stewart 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: 7638156
    Abstract: Masking apparatus and methods of masking a medical article, such as stent, for selective application of a coating composition on the article are disclosed.
    Type: Grant
    Filed: December 19, 2005
    Date of Patent: December 29, 2009
    Assignee: Advanced Cardiovascular Systems, Inc.
    Inventors: Syed F. A. Hossainy, Gordon Stewart, Srinivasan Sridharan, Arkady Kokish, Klaus Kleine, Benjamyn Serna, Bjorn G. Svensson
  • Publication number: 20090297583
    Abstract: The present invention generally encompasses a medical article, such as a medical device or coating comprising an agent or combination of agents, wherein the agent is distributed throughout a polymeric matrix. The polymeric matrix comprises an agent and a poly(ester amide) having a design that was preselected to provide a predetermined release rate of the combination of agents from the medical article.
    Type: Application
    Filed: June 4, 2009
    Publication date: December 3, 2009
    Inventors: JESSICA R. DesNoyer, Stephen D. Pacetti, Lothar W. Kleiner, Syed F.A. Hossainy, Yung-Ming Chen, Gordon Stewart, Gina Zhang
  • Publication number: 20090286761
    Abstract: A drug-delivery system is provided including at least 100 ?g of everolimus and clobetasol, such that the ratio of everolimus to clobetasol is at least 10:1 (w/w) or the amount of everolimus by weight is at least 10 times more than clobetasol. The system can be a stent. Also provided a method of treating restenosis or vulnerable plaque of a blood vessel, the method includes locally administering to a patient a first drug selected from a group consisting of rapamycin (sirolimus), Biolimus A9, deforolimus, AP23572, tacrolimus, temsirolimus, pimecrolimus, zotarolimus (ABT-578), 40-O-(2-hydroxy)ethylrapamycin (everolimus), 40-O-(3-hydroxy)propylrapamycin, 40-O-[2-(2-hydroxy)ethoxy]ethylrapamycin, 40-O-tetrazolylrapamycin and 40-epi-(N1-tetrazolyl)rapamycin, and locally administering to a patient a second drug consisting of clobetasol, wherein the minimum amount of the first drug that is locally administered is 100 ?g, and wherein the ratio of the first drug to the second drug is, for example, 10:1 to 100:1 (w/w).
    Type: Application
    Filed: August 13, 2008
    Publication date: November 19, 2009
    Inventors: Jin Cheng, Stephen Dugan, Gordon Stewart, Gina Zhang, Nancy Kirsten, Paul Consigny, Christopher Feezor, Gene Park, Wouter Roorda, Syed F.A. Hossainy
  • Patent number: 7596429
    Abstract: A technique for controlling an irrigation system is disclosed. The technique comprises receiving landscape information, receiving environmental information, deriving an irrigation schedule based on the landscape information and the environmental information, and sending the irrigation schedule to an irrigation control unit.
    Type: Grant
    Filed: December 10, 2003
    Date of Patent: September 29, 2009
    Assignee: ET Water Systems, Inc.
    Inventors: Bruce J. Cardinal, Gordon A. Stewart, Gregor A. Berkowitz, Michael Fogarty
  • Publication number: 20090104240
    Abstract: The present invention relates to implantable medical devices coated with the polymer containing at least an olimus and a corticosteroid for the treatment of vascular diseases.
    Type: Application
    Filed: October 19, 2007
    Publication date: April 23, 2009
    Applicant: Abbott Cardiovascular Systems Inc.
    Inventors: Gordon Stewart, Syed F.A. Hossainy, Benjamyn Serna, Mikael Trollsas, Jessica R. Desnoyer, Leslie Coleman, Gina Zhang, Maricela Kezis
  • Publication number: 20090076448
    Abstract: Systems, devices and methods for eluting an agent at a treatment site are disclosed. The devices include an expandable frame and at least one membrane. The membrane may carry an agent to elute at the treatment site. The membrane may allow blood flow at the treatment site during agent delivery.
    Type: Application
    Filed: September 17, 2007
    Publication date: March 19, 2009
    Inventors: Paul M. Consigny, William E. Webler, Gustavo D. Cipolla, Gordon Stewart, Benny Serna, Daniel L. Cox
  • Publication number: 20090005861
    Abstract: Coatings and methods of forming coatings for implantable medical devices, such as stents, are described. The coatings are used for the sustained release of a therapeutic agent or drug.
    Type: Application
    Filed: June 9, 2008
    Publication date: January 1, 2009
    Inventors: Syed F.A. Hossainy, Gordon Stewart
  • Publication number: 20080305141
    Abstract: Methods are disclosed for controlling the morphology and the release-rate of active agent from a coating layer for medical devices comprising a polymer matrix and one or more active agents. The methods comprise exposing a wet or dry coating to a freeze-thaw cycle. The coating layer can be used for controlled delivery of an active agent or a combination of active agents.
    Type: Application
    Filed: June 21, 2006
    Publication date: December 11, 2008
    Inventors: Syed F. A. Hossainy, Gordon Stewart, Benjamyn Serna, Lothar W. Kleiner
  • Patent number: 7396539
    Abstract: Coatings and methods of forming coatings for implantable medical devices, such as stents, are described. The coatings are used for the sustained release of a therapeutic agent or drug.
    Type: Grant
    Filed: June 21, 2002
    Date of Patent: July 8, 2008
    Assignee: Advanced Cardiovascular Systems, Inc.
    Inventors: Syed F A. Hossainy, Gordon Stewart
  • Publication number: 20080057024
    Abstract: A composition including a solution suitable for introduction into a blood vessel comprising particles including a treatment agent and a tunable stimuli-responsive polymer. A method including introducing a delivery device into a blood vessel; and introducing a solution into the blood vessel, the solution including particles comprising a treatment agent and a tunable stimuli-responsive polymer. A method including combining a treatment agent and a tunable stimuli-responsive polymer; and forming particles of the combination suitable for delivery through a blood vessel.
    Type: Application
    Filed: August 30, 2006
    Publication date: March 6, 2008
    Inventors: Gina Zhang, Jessica Renee DesNoyer, Gordon Stewart, Maricela Kezis, Syed Faiyaz Ahmed Hossainy
  • Publication number: 20080004695
    Abstract: An implantable medical device including a polymer matrix containing everolimus and pimecrolimus, and methods of using the device for the treatment of vascular disease are disclosed.
    Type: Application
    Filed: June 26, 2007
    Publication date: January 3, 2008
    Applicant: Abbott Cardiovascular Systems Inc.
    Inventors: Gordon Stewart, Gina Zhang, Gene Park, Paul Consigny
  • Publication number: 20070269484
    Abstract: Drug-delivery stents capable of providing release of two or more drugs such as everolimus and estradiol are provided. The stents can be used for treating a disease such as restenosis and vulnerable plaque.
    Type: Application
    Filed: May 21, 2007
    Publication date: November 22, 2007
    Inventors: Syed Hossainy, Gordon Stewart, Deborah Kilpatrick, Jeffrey Ellis, Gene Park, Gina Zhang, Paul Consigny, Yiwen Tang
  • Publication number: 20070143042
    Abstract: Processes and systems for providing analytical device analysis advisory information are provided. Aspects of the subject processes and systems include use of an advisory module that generates analytical device analysis advisory information based on a sample identifier and instrument parameter. Also provided are computer program products for use in executing the subject processes.
    Type: Application
    Filed: December 16, 2005
    Publication date: June 21, 2007
    Inventors: Gordon Stewart, Robert Ricker
  • Publication number: 20070032853
    Abstract: A method and coating for reducing the release rate of an active agent from an implantable device, such as a stent, is disclosed.
    Type: Application
    Filed: March 27, 2002
    Publication date: February 8, 2007
    Inventors: Syed Hossainy, Gordon Stewart, Mark Williams, Jeff Royal, Paul Consigny, Dorie Happ, Kurt Scheinpflug, Ty Hu
  • Publication number: 20070026131
    Abstract: A method and coating for reducing the release rate of an active agent from an implantable device, such as a stent, is disclosed.
    Type: Application
    Filed: September 26, 2006
    Publication date: February 1, 2007
    Inventors: Syed Hossainy, Gordon Stewart, Mark Williams, Jeff Royal, Paul Consigny, Dorie Happ, Kurt Scheinpflug, Ty Hu
  • Publication number: 20070020382
    Abstract: A method and coating for reducing the release rate of an active agent from an implantable device, such as a stent, is disclosed.
    Type: Application
    Filed: September 26, 2006
    Publication date: January 25, 2007
    Inventors: Syed Hossainy, Gordon Stewart, Mark Williams, Jeff Royal, Paul Consigny, Dorie Happ, Kurt Scheinpflug, Ty Hu
  • Publication number: 20070020381
    Abstract: A method and coating for reducing the release rate of an active agent from an implantable device, such as a stent, is disclosed.
    Type: Application
    Filed: September 26, 2006
    Publication date: January 25, 2007
    Inventors: Syed Hossainy, Gordon Stewart, Mark Williams, Jeff Royal, Paul Consigny, Dorie Happ, Kurt Scheinpflug, Ty Hu
  • Publication number: 20060105019
    Abstract: Drug-delivery systems such as drug-delivery stents having an anti-proliferative agent such as everolimus and an anti-flammatory agent such as clobetasol are provided. Also disclosed are methods of treating a vascular impairment such as restenosis or vulnerable plaque.
    Type: Application
    Filed: December 29, 2005
    Publication date: May 18, 2006
    Inventors: Gordon Stewart, Gina Zhang, Nancy Kirsten, Paul Consigny, Stephen Dugan, Gene Park, Christopher Feezor, Wouter Roorda, Sayed Hossainy
  • Publication number: 20060002968
    Abstract: Drug-delivery systems such as drug-delivery stents having an anti-proliferative agent such as everolimus and an anti-flammatory agent such as clobetasol are provided. Also disclosed are methods of treating a vascular impairment such as restenosis or vulnerable plaque.
    Type: Application
    Filed: June 30, 2004
    Publication date: January 5, 2006
    Inventors: Gordon Stewart, Gina Zhang, Nancy Kristen, Paul Consigny, Stephen Dugan, Gene Park, Christopher Feezor, Wouter Roorda, Syed Hossainy
  • Publication number: 20050287184
    Abstract: Drug-delivery stents capable of providing release of two or more drugs such as everolimus and estradiol are provided. The stents can be used for treating a disease such as restenosis and vulnerable plaque.
    Type: Application
    Filed: June 29, 2004
    Publication date: December 29, 2005
    Inventors: Syed Hossainy, Gordon Stewart, Deborah Kilpatrick, Jeffrey Ellis, Gene Park, Gina Zhang, Paul Consigny, Yiwen Tang