Patents by Inventor Ni Ding

Ni Ding 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: 9468706
    Abstract: A polymer comprising phospholipid moieties and a biocompatible polymer backbone, a composition comprising the polymer and optionally a bioactive agent, an implantable devices such as a drug eluting stent comprising thereon a coating comprising the polymer and optionally a bioactive agent, and a method of using the device for the treatment of a disorder in a human being are provided.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: October 18, 2016
    Assignee: Abbott Cardiovascular Systems Inc.
    Inventors: Thierry Glauser, Stephen Dirk Pacetti, Syed Faiyaz Ahmed Hossainy, Ni Ding
  • Publication number: 20160263293
    Abstract: Disclosed herein are drug delivery medical devices. A polymer coating for a medical device is provided which comprises a minimum amount of a drug bonded to the polymer in the coating.
    Type: Application
    Filed: May 20, 2016
    Publication date: September 15, 2016
    Inventors: Ni Ding, Stephen Pacetti, Marika Kamberi, Cameron Kerrigan
  • Patent number: 9375445
    Abstract: A prodrug comprising a heparin and a drug is provided. The prodrug can be used to form a coating on a medical device. The prodrug can also be used with a polymeric material to form a coating on a medical device. The polymeric material can be a hydrophobic polymer, a hydrophilic polymer, a non-fouling polymer, or combinations thereof. The medical device can be implanted in a human being for the treatment of a disease such as atherosclerosis, thrombosis, restenosis, hemorrhage, vascular dissection or perforation, vascular aneurysm, vulnerable plaque, chronic total occlusion, claudication, anastomotic proliferation for vein and artificial grafts, bile duct obstruction, ureter obstruction, tumor obstruction, or combinations thereof.
    Type: Grant
    Filed: June 22, 2009
    Date of Patent: June 28, 2016
    Assignee: Abbott Cardiovascular Systems Inc.
    Inventors: Syed Faiyaz Ahmed Hossainy, Ni Ding
  • Patent number: 9364588
    Abstract: Disclosed herein are drug delivery medical devices. A polymer coating for a medical device is provided which comprises a minimum amount of a drug bonded to the polymer in the coating.
    Type: Grant
    Filed: June 6, 2014
    Date of Patent: June 14, 2016
    Assignee: Abbott Cardiovascular Systems Inc.
    Inventors: Ni Ding, Stephen Pacetti, Marika Kamberi, Cameron Kerrigan
  • Patent number: 9364498
    Abstract: A prodrug comprising a heparin and a drug is provided. The prodrug can be used to form a coating on a medical device. The prodrug can also be used with a polymeric material to form a coating on a medical device. The polymeric material can be a hydrophobic polymer, a hydrophilic polymer, a non-fouling polymer, or combinations thereof. The medical device can be implanted in a human being for the treatment of a disease such as atherosclerosis, thrombosis, restenosis, hemorrhage, vascular dissection or perforation, vascular aneurysm, vulnerable plaque, chronic total occlusion, claudication, anastomotic proliferation for vein and artificial grafts, bile duct obstruction, ureter obstruction, tumor obstruction, or combinations thereof.
    Type: Grant
    Filed: June 22, 2009
    Date of Patent: June 14, 2016
    Assignee: Abbott Cardiovascular Systems Inc.
    Inventors: Syed Faiyaz Ahmed Hossainy, Ni Ding
  • Patent number: 9345814
    Abstract: A polymer of hydrophobic monomers and hydrophilic monomers is provided. It is also provided a polymer blend that contains the polymer and another biocompatible polymer. The polymer or polymer blend and optionally a biobeneficial material and/or a bioactive agent can form a coating on an implantable device such as a drug delivery stent. The implantable device can be used for treating or preventing a disorder such as atherosclerosis, thrombosis, restenosis, hemorrhage, vascular dissection or perforation, vascular aneurysm, vulnerable plaque, chronic total occlusion, patent foramen ovale, claudication, anastomotic proliferation for vein and artificial grafts, bile duct obstruction, ureter obstruction, tumor obstruction, or combinations thereof.
    Type: Grant
    Filed: April 3, 2015
    Date of Patent: May 24, 2016
    Assignee: Advanced Cardiovascular Systems, Inc.
    Inventor: Ni Ding
  • Patent number: 9333099
    Abstract: Stents or scaffolds made from magnesium or magnesium alloys including additives or barrier coatings that modify the corrosion rate of the stent are disclosed. Methods of forming barrier coatings that modify the corrosion rate of the stent are disclosed.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: May 10, 2016
    Assignee: Abbott Cardiovascular Systems Inc.
    Inventors: Stephen D. Pacetti, Yunbing Wang, Ni Ding
  • Publication number: 20160081827
    Abstract: Methods are disclosed including thermally processing a scaffold to increase the radial strength of the scaffold when the scaffold is deployed from a crimped state to a deployed state such as a nominal deployment diameter. The thermal processing may further maintain or increase the expansion capability of the scaffold when expanded beyond the nominal diameter.
    Type: Application
    Filed: September 18, 2015
    Publication date: March 24, 2016
    Inventors: Rommel Lumauig, Stephen D. Pacetti, Ni Ding, Joel Harrington, Xiao Ma, James P. Oberhauser, Jill McCoy, Chad J. Abunassar, Senthil Eswaran, Diem Ta
  • Publication number: 20150375437
    Abstract: Methods and systems for controlling the moisture content of biodegradable and bioresorbable polymer resin during extrusion above a lower limit that allows for plasticization of the polymer resin melt and below an upper limit to reduce or prevent molecular weight loss are disclosed. Methods are further disclosed involving plasticization of a polymer resin for feeding into an extruder with carbon dioxide and freon.
    Type: Application
    Filed: September 11, 2015
    Publication date: December 31, 2015
    Inventors: Bethany Steichen, Stephen Pacetti, Manish Gada, Thierry Glauser, Lothar Kleiner, Yunbing Wang, James Oberhauser, Ni Ding
  • Publication number: 20150359647
    Abstract: Methods of making polymeric devices, such as stents, using solvent based processes. More particularly, methods of making bioabsorbable stents.
    Type: Application
    Filed: June 11, 2014
    Publication date: December 17, 2015
    Inventors: Stephen D. Pacetti, Ni Ding
  • Publication number: 20150359943
    Abstract: An amorphous PDLLA stent coating for drug delivery is disclosed.
    Type: Application
    Filed: August 21, 2015
    Publication date: December 17, 2015
    Inventors: Wouter E. Roorda, Ni Ding
  • Publication number: 20150328375
    Abstract: A polymer comprising phospholipid moieties and a biocompatible polymer backbone, a composition comprising the polymer and optionally a bioactive agent, an implantable devices such as a DES comprising thereon a coating comprising the polymer and optionally a bioactive agent, and a method of using the device for the treatment of a disorder in a human being are provided.
    Type: Application
    Filed: March 20, 2015
    Publication date: November 19, 2015
    Inventors: Thierry Glauser, Stephen Dirk Pacetti, Syed Faiyaz Ahmed Hossainy, Ni Ding
  • Patent number: 9168677
    Abstract: Methods and systems for controlling the moisture content of biodegradable and bioresorbable polymer resin during extrusion above a lower limit that allows for plasticization of the polymer resin melt and below an upper limit to reduce or prevent molecular weight loss are disclosed. Methods are further disclosed involving plasticization of a polymer resin for feeding into an extruder with carbon dioxide and freon.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: October 27, 2015
    Assignee: Abbott Cardiovascular Systems Inc.
    Inventors: Bethany Steichen, Stephen Pacetti, Manish Gada, Thierry Glauser, Lothar Kleiner, Yunbing Wang, James Oberhauser, Ni Ding
  • Patent number: 9138513
    Abstract: Method are disclosed for local and systemic administration HDL, recombinant HDL or HDLm for the prevention, treatment, or amelioration of a vascular disorder, disease or occlusion such as restenosis or vulnerable plaque.
    Type: Grant
    Filed: May 6, 2011
    Date of Patent: September 22, 2015
    Assignee: Advanced Cardiovascular Systems, Inc.
    Inventor: Ni Ding
  • Publication number: 20150217028
    Abstract: It is provided herein modified polylactide (PLA) polymers comprising biocompatibile functional group(s) on the polymers and methods of making and using the modified PLA polymers.
    Type: Application
    Filed: February 3, 2015
    Publication date: August 6, 2015
    Inventors: Stephen Pacetti, Fuh-Wei Tang, Xiao Ma, Ni Ding, Derek Mortisen
  • Publication number: 20150217029
    Abstract: Disclosed herein are drug delivery medical devices. A polymer coating for a medical device is provided which comprises a minimum amount of a drug bonded to the polymer in the coating.
    Type: Application
    Filed: June 6, 2014
    Publication date: August 6, 2015
    Inventors: Ni Ding, Stephen Pacetti, Marika Kamberi, Cameron Kerrigan
  • Publication number: 20150209486
    Abstract: A polymer of hydrophobic monomers and hydrophilic monomers is provided. It is also provided a polymer blend that contains the polymer and another biocompatible polymer. The polymer or polymer blend and optionally a biobeneficial material and/or a bioactive agent can form a coating on an implantable device such as a drug delivery stent. The implantable device can be used for treating or preventing a disorder such as atherosclerosis, thrombosis, restenosis, hemorrhage, vascular dissection or perforation, vascular aneurysm, vulnerable plaque, chronic total occlusion, patent foramen ovale, claudication, anastomotic proliferation for vein and artificial grafts, bile duct obstruction, ureter obstruction, tumor obstruction, or combinations thereof.
    Type: Application
    Filed: April 3, 2015
    Publication date: July 30, 2015
    Inventor: Ni Ding
  • Patent number: 9084671
    Abstract: A coating for an implantable device such as a stent is provided including micronized peptides. A method of making the same is also provided.
    Type: Grant
    Filed: July 15, 2013
    Date of Patent: July 21, 2015
    Assignee: Advanced Cardiovascular Systems, Inc.
    Inventors: Eugene T. Michal, Ashok A. Shah, Ni Ding
  • Publication number: 20150174303
    Abstract: Method are disclosed for local and systemic administration HDL, recombinant HDL or HDLm for the prevention, treatment, or amelioration of a vascular disorder, disease or occlusion such as restenosis or vulnerable plaque.
    Type: Application
    Filed: March 3, 2015
    Publication date: June 25, 2015
    Inventor: Ni Ding
  • Publication number: 20150134048
    Abstract: The present invention is directed to polymeric materials comprising biodegradable, dioxanone-based copolymers and implantable devices (e.g., drug-delivery stents) formed of such materials. The polymeric materials can also contain at least one additional biocompatible moiety, at least one non-fouling moiety, at least one biobeneficial material, at least one bioactive agent, or a combination thereof. The polymeric materials are designed to improve the mechanical, physical and biological properties of implantable devices formed thereof.
    Type: Application
    Filed: January 22, 2015
    Publication date: May 14, 2015
    Inventor: Ni Ding