Patents by Inventor Lixiao Wang

Lixiao Wang 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: 20210052865
    Abstract: Various embodiments disclosed relate to drug-coated balloon catheters for treating strictures in body lumens and methods of using the same. A drug-coated balloon catheter for delivering a therapeutic agent to a target site of a body lumen stricture includes an elongated balloon having a main diameter. The balloon catheter includes a coating layer overlying an exterior surface of the balloon. The coating layer includes one or more water-soluble additives and an initial drug load of a therapeutic agent.
    Type: Application
    Filed: October 26, 2020
    Publication date: February 25, 2021
    Inventors: Lixiao Wang, Peter Barnett
  • Publication number: 20210052862
    Abstract: Various embodiments disclosed relate to drug-coated balloon catheters for treating strictures in body lumens and methods of using the same. A drug-coated balloon catheter for delivering a therapeutic agent to a target site of a body lumen stricture includes an elongated balloon having a main diameter. The balloon catheter includes a coating layer overlying an exterior surface of the balloon. The coating layer includes one or more water-soluble additives and an initial drug load of a therapeutic agent.
    Type: Application
    Filed: October 26, 2020
    Publication date: February 25, 2021
    Inventors: Lixiao Wang, Peter Barnett, David Hendrickson
  • Publication number: 20210052863
    Abstract: Various embodiments disclosed relate to drug-coated balloon catheters for treating strictures in body lumens and methods of using the same. A drug-coated balloon catheter for delivering a therapeutic agent to a target site of a body lumen stricture includes an elongated balloon having a main diameter. The balloon catheter includes a coating layer overlying an exterior surface of the balloon. The coating layer includes one or more water-soluble additives and an initial drug load of a therapeutic agent.
    Type: Application
    Filed: October 26, 2020
    Publication date: February 25, 2021
    Inventors: Lixiao Wang, Peter Barnett, David Hendrickson
  • Patent number: 10912931
    Abstract: Balloon catheters, methods for preparing balloon catheters, and uses of balloon catheters are disclosed. The balloon catheter includes an elongate member, an expandable balloon, and a coating layer overlying an exterior surface of the expandable balloon. The coating layer includes a total drug load of a hydrophobic therapeutic agent and a combination of additives including a first additive and a second additive. The hydrophobic therapeutic agent is paclitaxel, rapamycin, or paclitaxel and rapamycin. The first additive is a surfactant. The second additive is a chemical compound having one or more hydroxyl, amino, carbonyl, carboxyl, acid, amide, or ester groups.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: February 9, 2021
    Assignee: Lutonix, Inc.
    Inventor: Lixiao Wang
  • Patent number: 10912932
    Abstract: Balloon catheters, methods for preparing balloon catheters, and uses of balloon catheters are disclosed. The balloon catheter includes an elongate member, an expandable balloon, and a coating layer overlying an exterior surface of the expandable balloon. The coating layer includes a total drug load of a hydrophobic therapeutic agent and a combination of additives including a first additive and a second additive. The hydrophobic therapeutic agent is paclitaxel, rapamycin, or paclitaxel and rapamycin. The first additive is a surfactant. The second additive is a chemical compound having one or more hydroxyl, amino, carbonyl, carboxyl, acid, amide, or ester groups.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: February 9, 2021
    Assignee: Lutonix, Inc.
    Inventor: Lixiao Wang
  • Publication number: 20210031010
    Abstract: Balloon catheters, methods for preparing balloon catheters, and uses of balloon catheters are disclosed. The balloon catheter includes an elongate member, an expandable balloon, and a coating layer overlying an exterior surface of the expandable balloon. The coating layer includes a total drug load of a hydrophobic therapeutic agent and a combination of additives including a first additive and a second additive. The hydrophobic therapeutic agent is paclitaxel, rapamycin, or paclitaxel and rapamycin. The first additive is a surfactant. The second additive is a chemical compound having one or more hydroxyl, amino, carbonyl, carboxyl, acid, amide, or ester groups.
    Type: Application
    Filed: August 18, 2020
    Publication date: February 4, 2021
    Applicant: Lutonix, Inc.
    Inventor: Lixiao Wang
  • Patent number: 10898700
    Abstract: Various embodiments disclosed relate to drug-coated balloon catheters for treating strictures in body lumens and methods of using the same. A drug-coated balloon catheter for delivering a therapeutic agent to a target site of a body lumen stricture includes an elongated balloon having a main diameter. The balloon catheter includes a coating layer overlying an exterior surface of the balloon. The coating layer includes one or more water-soluble additives and an initial drug load of a therapeutic agent.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: January 26, 2021
    Assignee: Urotronic, Inc.
    Inventors: Lixiao Wang, Peter Barnett
  • Publication number: 20210015799
    Abstract: Embodiments of the present invention provide a method for treatment of respiratory disorders such as asthma, chronic obstructive pulmonary disease, and chronic sinusitis, including cystic fibrosis, interstitial fibrosis, chronic bronchitis, emphysema, bronchopulmonary dysplasia and neoplasia. The method involves administration, preferably oral, nasal or pulmonary administration, of anti-inflammatory and anti-proliferative drugs (rapamycin or paclitaxel and their analogues) and an additive.
    Type: Application
    Filed: September 30, 2020
    Publication date: January 21, 2021
    Applicant: Lutonix, Inc.
    Inventor: Lixiao Wang
  • Patent number: 10888640
    Abstract: Embodiments of the present invention provide a method of treating a stricture in a nonvascular body lumen such as urethral strictures, benign prostatic hyperplasia (BPH) strictures, ureteral strictures, esophageal strictures, sinus strictures, and biliary tract strictures. Embodiments of the present invention provide a method for treating at least one of benign prostatic hyperplasia (BPH), prostate cancer, asthma, and chronic obstructive pulmonary disease (COPD). The method can include delivering, for example, via drug coated balloon catheters, anti-inflammatory and anti-proliferative drugs (e.g., rapamycin, paclitaxel, and their analogues) and one or more additives.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: January 12, 2021
    Assignee: Urotronic, Inc.
    Inventors: Lixiao Wang, Peter Barnett
  • Patent number: 10881644
    Abstract: Embodiments of the present invention provide a method for treatment of respiratory disorders such as asthma, chronic obstructive pulmonary disease, and chronic sinusitis, including cystic fibrosis, interstitial fibrosis, chronic bronchitis, emphysema, bronchopulmonary dysplasia and neoplasia. The method involves administration, preferably oral, nasal or pulmonary administration, of anti-inflammatory and anti-proliferative drugs (rapamycin or paclitaxel and their analogues) and an additive.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: January 5, 2021
    Assignee: Lutonix, Inc.
    Inventor: Lixiao Wang
  • Patent number: 10881839
    Abstract: Various embodiments disclosed relate to drug-coated balloon catheters for treating strictures in body lumens and methods of using the same. A drug-coated balloon catheter for delivering a therapeutic agent to a target site of a body lumen stricture includes an elongated balloon having a main diameter. The balloon catheter includes a coating layer overlying an exterior surface of the balloon. The coating layer includes one or more water-soluble additives and an initial drug load of a therapeutic agent.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: January 5, 2021
    Assignee: Urotronic, Inc.
    Inventors: Lixiao Wang, Peter Barnett, David Hendrickson
  • Publication number: 20200398032
    Abstract: Embodiments of the present invention provide a device and a method for treating at least one of hypertension, pulmonary arteries, diabetes, obesity, heart failure, end-stage renal disease, digestive disease, urological disease, cancers, tumors, pain, asthma or chronic obstructive pulmonary disease by delivering an effective amount of a formulation to a tissue. In embodiments of the present invention, the formulation may include at least one of a gas, a vapor, a liquid, a solution, an emulsion, or a suspension of one or more ingredients. In embodiments of the present invention, amounts of the formulation and/or energy are effective to injure or damage tissue, nerves, and nerve endings in order to relieve disease symptoms.
    Type: Application
    Filed: September 2, 2020
    Publication date: December 24, 2020
    Inventors: Lixiao Wang, John J. Chen, Yongxing Zhang
  • Patent number: 10850076
    Abstract: Various embodiments disclosed relate to drug-coated balloon catheters for treating strictures in body lumens and methods of using the same. A drug-coated balloon catheter for delivering a therapeutic agent to a target site of a body lumen stricture includes an elongated balloon having a main diameter. The balloon catheter includes a coating layer overlying an exterior surface of the balloon. The coating layer includes one or more water-soluble additives and an initial drug load of a therapeutic agent.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: December 1, 2020
    Assignee: Urotronic, Inc.
    Inventors: Lixiao Wang, Peter Barnett
  • Publication number: 20200360671
    Abstract: Embodiments of the present invention provide a device and a method for treating at least one of hypertension, pulmonary arteries, diabetes, obesity, heart failure, end-stage renal disease, digestive disease, urological disease, cancers, tumors, pain, asthma or chronic obstructive pulmonary disease by delivering an effective amount of a formulation to a tissue. In embodiments of the present invention, the formulation may include at least one of a gas, a vapor, a liquid, a solution, an emulsion, or a suspensions of one or more ingredients. In embodiments of the present invention, amounts of the formulation and/or energy are effective to injure or damage tissue, nerves, and nerve endings in order to relieve disease symptoms.
    Type: Application
    Filed: August 6, 2020
    Publication date: November 19, 2020
    Inventors: Lixiao Wang, John J. Chen, Yongxing Zhang
  • Publication number: 20200360571
    Abstract: Various embodiments disclosed relate to drug-coated balloon catheters for treating strictures in body lumens and methods of using the same. A drug-coated balloon catheter for delivering a therapeutic agent to a target site of a body lumen stricture includes an elongated balloon having a main diameter. The balloon catheter includes a coating layer overlying an exterior surface of the balloon. The coating layer includes one or more water-soluble additives and an initial drug load of a therapeutic agent.
    Type: Application
    Filed: August 6, 2020
    Publication date: November 19, 2020
    Inventors: Lixiao Wang, Peter Barnett, David Hendrickson
  • Patent number: 10835719
    Abstract: The invention relates to a medical device for delivering a therapeutic agent to a tissue. The medical device has a layer overlying the exterior surface of the medical device. The layer contains a therapeutic agent, an antioxidant, and an additive. In certain embodiments, the additive has a hydrophilic part and a drug affinity part, wherein the drug affinity part is at least one of a hydrophobic part, a part that has an affinity to the therapeutic agent by hydrogen bonding, and a part that has an affinity to the therapeutic agent by van der Waals interactions. In some embodiments, the additive is a liquid. In other embodiments, the additive is at least one of a surfactant and a chemical compound, and the chemical compound has one or more hydroxyl, amino, carbonyl, carboxyl, acid, amide or ester groups.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: November 17, 2020
    Assignee: Lutonix, Inc.
    Inventor: Lixiao Wang
  • Patent number: 10806830
    Abstract: Various embodiments disclosed relate to drug-coated balloon catheters for treating strictures in body lumens and methods of using the same. A drug-coated balloon catheter for delivering a therapeutic agent to a target site of a body lumen stricture includes an elongated balloon having a main diameter. The balloon catheter includes a coating layer overlying an exterior surface of the balloon. The coating layer includes one or more water-soluble additives and an initial drug load of a therapeutic agent.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: October 20, 2020
    Assignee: Urotronic, Inc.
    Inventors: Lixiao Wang, Peter Barnett, David Hendrickson
  • Patent number: 10758713
    Abstract: Embodiments of the present invention provide a device and a method for treating at least one of hypertension, pulmonary arteries, diabetes, obesity, heart failure, end-stage renal disease, digestive disease, urological disease, cancers, tumors, pain, asthma or chronic obstructive pulmonary disease by delivering an effective amount of a formulation to a tissue. In embodiments of the present invention, the formulation may include at least one of a gas, a vapor, a liquid, a solution, an emulsion, or a suspensions of one or more ingredients. In embodiments of the present invention, amounts of the formulation and/or energy are effective to injure or damage tissue, nerves, and nerve endings in order to relieve disease symptoms.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: September 1, 2020
    Assignee: Neurotronic, Inc.
    Inventors: Lixiao Wang, John J. Chen, Yongxing Zhang
  • Publication number: 20200262812
    Abstract: Provided are 4,5,6-tri-substituted indazoles derivatives, a preparation method therefor, and a use thereof in medicines. Specifically, provided are compounds of formula (I) or pharmaceutically acceptable salts, stereoisomers, solvates, or prodrugs thereof, a preparation method therefor, and a use thereof.
    Type: Application
    Filed: November 10, 2017
    Publication date: August 20, 2020
    Inventors: Jianbiao PENG, Yang LIU, Lixiao WANG, Zhihua FANG, Zonglei FEI, Xi CHEN, Jiong LAN
  • Publication number: 20200262813
    Abstract: The present disclosure relates to 1,5,7-trisubstituted isoquinoline derivatives, their preparation and pharmaceutical use. In particular, the present disclosure discloses a compound of formula (I) or a pharmaceutically acceptable salt, stereoisomer, solvate or prodrug thereof, and a preparation method and use thereof. The definitions of the groups in the formula can be found in the specification and claims.
    Type: Application
    Filed: November 10, 2017
    Publication date: August 20, 2020
    Inventors: Fusheng ZHOU, Xiaoyong SHI, Lixiao WANG, Feng XU, Jing XIE, Ping BU, Pengfei CHENG, Zhiyuan ZHANG, Nanping CAI, Jiong LAN