Patents by Inventor Xiaoxia Zheng

Xiaoxia Zheng 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: 20150374521
    Abstract: The disclosure provides biodegradable implantable devices such as a stent comprising a biodegradable polymeric wherein the polymeric material is treated to control crystallinity and/or Tg. The stent is capable to expand at body temperature from a crimped configuration to a deployed diameter and have sufficient strength to support a body lumen.
    Type: Application
    Filed: January 30, 2015
    Publication date: December 31, 2015
    Inventors: Xiaoxia Zheng, John Yan, Vinayak Bhat
  • Publication number: 20150352089
    Abstract: The present invention provides a pharmaceutical composition comprising a pharmaceutically acceptable excipient and a compound of the formula: wherein R1, R2, R3, R5, R6, R8, M1, M2, M3, M4, M5, M6 and M7 are each independently a member selected from the group consisting of H, C1-6 alkyl, OH and C1-6 hydroxyalkyl; R4, R7 and R9 are each independently selected from the group consisting of C1-6 alkoxy and OH; R10 is a member selected from the group consisting of H, —OH, —OP(O)Me2, —O—(CH2)n—OH and —O—(CH2)m—O—(CH2)o—CH3, wherein subscripts n and m are each independently from 2 to 8 and subscript o is from 1 to 6; each of L1 and L4 are independently selected from the group consisting of: wherein each M8 is independently a member selected from the group consisting of C1-6 alkyl, OH and C1-6 hydroxyalkyl; each of L2 and L3 are independently selected from the group consisting of: and salts, hydrates, isomers, metabolites N-oxides and prodrugs thereof.
    Type: Application
    Filed: August 20, 2015
    Publication date: December 10, 2015
    Inventors: John Yan, Xiaoxia Zheng, Vinayak D. Bhat
  • Publication number: 20150320577
    Abstract: The disclosure provides biodegradable implantable devices such as a stent comprising a biodegradable polymeric wherein the polymeric material is treated to control crystallinity and/or Tg. The stent is capable to expand at body temperature in a body lumen from a crimped configuration to a deployed diameter and have sufficient strength to support a body lumen.
    Type: Application
    Filed: July 21, 2015
    Publication date: November 12, 2015
    Inventors: Xiaoxia Zheng, John Yan, Vinayak Bhat
  • Patent number: 9149470
    Abstract: The present invention provides a pharmaceutical composition comprising a pharmaceutically acceptable excipient and a compound of the general formula:
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: October 6, 2015
    Assignee: ELIXIR MEDICAL CORPORATION
    Inventors: John Yan, Xiaoxia Zheng, Vinayak D. Bhat
  • Patent number: 9119905
    Abstract: The disclosure provides biodegradable implantable devices such as a stent comprising a biodegradable polymeric wherein the polymeric material is treated to control crystallinity and/or Tg. The stent is capable to expand at body temperature in a body lumen from a crimped configuration to a deployed diameter and have sufficient strength to support a body lumen.
    Type: Grant
    Filed: August 15, 2014
    Date of Patent: September 1, 2015
    Assignee: ELIXIR MEDICAL CORPORATION
    Inventors: Xiaoxia Zheng, John Yan, Vinayak Bhat
  • Publication number: 20150025619
    Abstract: The disclosure provides biodegradable implantable devices such as a stent comprising a biodegradable polymeric wherein the polymeric material is treated to control crystallinity and/or Tg. The stent is capable to expand at body temperature in a body lumen from a crimped configuration to a deployed diameter and have sufficient strength to support a body lumen.
    Type: Application
    Filed: August 15, 2014
    Publication date: January 22, 2015
    Applicant: Elixir Medical Corporation
    Inventors: Xiaoxia Zheng, John Yan, Vinayak Bhat
  • Publication number: 20140350659
    Abstract: Biodegradable endoprostheses are formed from amorphous polymers having desirable biodegradation characteristics. The strength of such amorphous polymers is enhanced by annealing to increase crystallinity without substantially increasing the biodegradation time.
    Type: Application
    Filed: August 1, 2014
    Publication date: November 27, 2014
    Applicant: Elixir Medical Corporation
    Inventors: Xiaoxia Zheng, John Yan, Vinayak Bhat
  • Patent number: 8814930
    Abstract: The disclosure provides biodegradable implantable devices such as a stent comprising a biodegradable polymeric wherein the polymeric material is treated to control crystallinity and/or Tg. The stent is capable to expand at body temperature in a body lumen from a crimped configuration to a deployed diameter and have sufficient strength to support a body lumen.
    Type: Grant
    Filed: May 17, 2013
    Date of Patent: August 26, 2014
    Assignee: Elixir Medical Corporation
    Inventors: Xiaoxia Zheng, John Yan, Vinayak Bhat
  • Publication number: 20140188243
    Abstract: The disclosure provides biodegradable implantable devices such as a stent comprising a biodegradable polymeric wherein the polymeric material is treated to control crystallinity and/or Tg. The stent is capable to expand at body temperature from a crimped configuration to a deployed diameter and have sufficient strength to support a body lumen.
    Type: Application
    Filed: December 4, 2013
    Publication date: July 3, 2014
    Applicant: Elixir Medical Corporation
    Inventors: Xiaoxia Zheng, John Yan, Vinayak Bhat
  • Patent number: 8636792
    Abstract: The disclosure provides biodegradable implantable devices such as a stent comprising a biodegradable polymeric wherein the polymeric material is treated to control crystallinity and/or Tg. The stent is capable to expand at body temperature from a crimped configuration to a deployed diameter and have sufficient strength to support a body lumen.
    Type: Grant
    Filed: July 2, 2012
    Date of Patent: January 28, 2014
    Assignee: Elixir Medical Corporation
    Inventors: Xiaoxia Zheng, John Yan, Vinayak Bhat
  • Publication number: 20130331927
    Abstract: The disclosure provides biodegradable implantable devices such as a stent comprising a biodegradable polymeric wherein the polymeric material is treated to control crystallinity and/or Tg. The stent is capable to expand at body temperature in a body lumen from a crimped configuration to a deployed diameter and have sufficient strength to support a body lumen.
    Type: Application
    Filed: May 17, 2013
    Publication date: December 12, 2013
    Applicant: Elixir Medical Corporation
    Inventors: Xiaoxia Zheng, John Yan, Vinayak Bhat
  • Publication number: 20130230571
    Abstract: The present disclosure provides a device for intracorporeal use which comprises an implant or a temporary device and at least one source of myolimus or a derivative thereof. The present disclosure also provides a method of inhibiting cell proliferation, inflammation or cytokine production by systemic or local administration of a therapeutically effective amount of myolimus or a derivative thereof. Further included in the present disclosure is a method of treating an ophthalmic condition or disease by administering a therapeutically effective amount of myolimus or a derivative thereof.
    Type: Application
    Filed: October 3, 2011
    Publication date: September 5, 2013
    Applicant: Elixir Medical Corporation
    Inventors: John Yan, Xiaoxia Zheng, Vinayak Bhat
  • Publication number: 20130150943
    Abstract: The disclosure provides biodegradable implantable devices such as a stent comprising a biodegradable polymeric wherein the polymeric material is treated to control crystallinity and/or Tg. The stent is capable to expand at body temperature from a crimped configuration to a deployed diameter and have sufficient strength to support a body lumen.
    Type: Application
    Filed: June 28, 2012
    Publication date: June 13, 2013
    Applicant: Elixir Medical Corporation
    Inventors: Xiaoxia Zheng, John Yan, Vinayak Bhat
  • Patent number: 8404641
    Abstract: A method of inhibiting cell migration or treating an inflammatory condition, comprising administering a compound disclosed herein to the subject, is provided. The compound can be administered systemically, locally, or a combination thereof. For example, the compound can be locally delivered from a temporary device or an implant, such as a vascular prosthesis.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: March 26, 2013
    Assignee: Elixir Medical Corporation
    Inventors: John Yan, Xiaoxia Zheng, Vinayak D. Bhat
  • Patent number: 8367081
    Abstract: A method of inhibiting smooth muscle cell proliferation or cytokine production in a subject, comprising administering a compound disclosed herein to the subject, is provided. The compound can be administered systemically, locally, or a combination thereof. For example, the compound can be locally delivered from a temporary device or an implant, such as a vascular prosthesis.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: February 5, 2013
    Assignee: Elixir Medical Corporation
    Inventors: John Yan, Xiaoxia Zheng, Vinayak D. Bhat
  • Patent number: 8323760
    Abstract: Biodegradable endoprostheses are formed from amorphous polymers having desirable biodegradation characteristics. The strength of such amorphous polymers is enhanced by annealing to increase crystallinity without substantially increasing the biodegradation time.
    Type: Grant
    Filed: May 16, 2012
    Date of Patent: December 4, 2012
    Assignee: Elixir Medical Corporation
    Inventors: Xiaoxia Zheng, John Yan, Vinayak Bhat
  • Publication number: 20120271396
    Abstract: The disclosure provides biodegradable implantable devices such as a stent comprising a biodegradable polymeric wherein the polymeric material is treated to control crystallinity and/or Tg. The stent is capable to expand at body temperature from a crimped configuration to a deployed diameter and have sufficient strength to support a body lumen.
    Type: Application
    Filed: July 2, 2012
    Publication date: October 25, 2012
    Applicant: Elixir Medical Corporation
    Inventors: Xiaoxia Zheng, John Yan, Vinayak Bhat
  • Publication number: 20120226345
    Abstract: Biodegradable endoprostheses are formed from amorphous polymers having desirable biodegradation characteristics. The strength of such amorphous polymers is enhanced by annealing to increase crystallinity without substantially increasing the biodegradation time.
    Type: Application
    Filed: May 16, 2012
    Publication date: September 6, 2012
    Applicant: Elixir Medical Corporation
    Inventors: Xiaoxia Zheng, John Yan, Vinayak Bhat
  • Publication number: 20120187606
    Abstract: Biodegradable endoprostheses are formed from amorphous polymers having desirable biodegradation characteristics. The strength of such amorphous polymers is enhanced by annealing to increase crystallinity without substantially increasing the biodegradation time.
    Type: Application
    Filed: March 29, 2012
    Publication date: July 26, 2012
    Applicant: Elixir Medical Corporation
    Inventors: Xiaoxia Zheng, John Yan, Vinayak Bhat
  • Patent number: 8182890
    Abstract: Biodegradable endoprostheses are formed from amorphous polymers having desirable biodegradation characteristics. The strength of such amorphous polymers is enhanced by annealing to increase crystallinity without substantially increasing the biodegradation time.
    Type: Grant
    Filed: January 17, 2008
    Date of Patent: May 22, 2012
    Assignee: Elixir Medical Corporation
    Inventors: Xiaoxia Zheng, John Yan, Vinayak Bhat