Patents Assigned to Lutonix, Inc.
  • Patent number: 9764065
    Abstract: Medical devices are provided 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 and an additive. The additive has a hydrophilic part and a hydrophobic part and the therapeutic agent is not enclosed in micelles or encapsulated in particles or controlled release carriers.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: September 19, 2017
    Assignee: Lutonix, Inc.
    Inventor: Lixiao Wang
  • Patent number: 9757544
    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: March 11, 2016
    Date of Patent: September 12, 2017
    Assignee: Lutonix, Inc.
    Inventor: Lixiao Wang
  • Patent number: 9757351
    Abstract: The invention relates to a coated medical device for rapid delivery of a therapeutic agent to a tissue in seconds to minutes. The medical device has a layer overlying the exterior surface of the medical device. The layer contains a therapeutic agent, at least one of an oil, a fatty acid, and a lipid, 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, a part that has an affinity to the therapeutic agent by charge, and a part that has an affinity to the therapeutic agent by van der Waals interactions. In embodiments, the additive is at least one of a surfactant and a chemical compound. In further embodiments, the chemical compound is water-soluble.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: September 12, 2017
    Assignee: Lutonix, Inc.
    Inventor: Lixiao Wang
  • Patent number: 9737640
    Abstract: Medical device are provided 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 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 embodiments, the additive is water-soluble. In further embodiments, the additive is at least one of a surfactant and a chemical compound, and the chemical compound has a molecular weight of from 80 to 750 or has more than four hydroxyl groups.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: August 22, 2017
    Assignee: Lutonix, Inc.
    Inventor: Lixiao Wang
  • Patent number: 9737691
    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: May 13, 2016
    Date of Patent: August 22, 2017
    Assignee: Lutonix, Inc.
    Inventor: Lixiao Wang
  • Patent number: 9700704
    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: May 13, 2016
    Date of Patent: July 11, 2017
    Assignee: Lutonix, Inc.
    Inventor: Lixiao Wang
  • Patent number: 9694111
    Abstract: The invention relates to a coated medical device for rapid delivery of a therapeutic agent to a tissue in seconds to minutes. The medical device has a layer overlying the exterior surface of the medical device. The layer contains a therapeutic agent, a contrast agent, and an additive.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: July 4, 2017
    Assignee: Lutonix, Inc.
    Inventor: Lixiao Wang
  • Patent number: 9402935
    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 analogs) and an additive.
    Type: Grant
    Filed: May 28, 2013
    Date of Patent: August 2, 2016
    Assignee: Lutonix, Inc.
    Inventor: Lixiao Wang
  • Patent number: 9314552
    Abstract: Medical device are provided 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 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 embodiments, the additive is water-soluble. In further embodiments, the additive is at least one of a surfactant and a chemical compound, and the chemical compound has a molecular weight of from 80 to 750 or has more than four hydroxyl groups.
    Type: Grant
    Filed: April 17, 2015
    Date of Patent: April 19, 2016
    Assignee: Lutonix, Inc.
    Inventor: Lixiao Wang
  • Patent number: 9314598
    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: April 2, 2015
    Date of Patent: April 19, 2016
    Assignee: Lutonix, Inc.
    Inventor: Lixiao Wang
  • Patent number: 9289539
    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: April 10, 2015
    Date of Patent: March 22, 2016
    Assignee: Lutonix, Inc.
    Inventor: Lixiao Wang
  • Patent number: 9289537
    Abstract: The invention relates to a coated medical device for rapid delivery of a therapeutic agent to a tissue in seconds to minutes. The medical device has a layer overlying the exterior surface of the medical device. The layer contains a therapeutic agent, at least one of an oil, a fatty acid, and a lipid, 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, a part that has an affinity to the therapeutic agent by charge, and a part that has an affinity to the therapeutic agent by van der Waals interactions. In embodiments, the additive is at least one of a surfactant and a chemical compound. In further embodiments, the chemical compound is water-soluble.
    Type: Grant
    Filed: April 20, 2015
    Date of Patent: March 22, 2016
    Assignee: Lutonix, Inc.
    Inventor: Lixiao Wang
  • Patent number: 9283358
    Abstract: Medical devices are provided 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 and an additive. The additive has a hydrophilic part and a hydrophobic part and the therapeutic agent is not enclosed in micelles or encapsulated in particles or controlled release carriers.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: March 15, 2016
    Assignee: Lutonix, Inc.
    Inventor: Lixiao Wang
  • Patent number: 9248220
    Abstract: The invention relates to a coated medical device for rapid delivery of a therapeutic agent to a tissue in seconds to minutes. The medical device has a layer overlying the exterior surface of the medical device. The layer contains a therapeutic agent, a contrast agent, and an additive.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: February 2, 2016
    Assignee: Lutonix, Inc.
    Inventor: Lixiao Wang
  • Patent number: 9180485
    Abstract: Methods and apparatus for coating a medical device are provided. In one embodiment, the method for preparing a substantially uniform coated medical device includes (1) preparing a coating solution comprising a solvent, a therapeutic agent, and an additive; (2) loading a metering dispenser with the coating solution; (3) rotating the medical device about the longitudinal axis of the device and/or moving the medical device along the longitudinal or transverse axis of the device; (4) dispensing the coating solution from the metering dispenser onto a surface of the medical device and flowing the coating solution on the surface of the medical device while the medical device is rotating and/or linearly moving; and (5) evaporating the solvent, forming a substantially uniform coating layer on the medical device.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: November 10, 2015
    Assignee: Lutonix, Inc.
    Inventors: Jeffrey Wang, Harrison Malinoff, Lixiao Wang, Christopher M. Barry, Dennis W. Wahr, Scott R. Naisbitt
  • Patent number: 9033919
    Abstract: The invention relates to a coated medical device for rapid delivery of a therapeutic agent to a tissue in seconds to minutes. The medical device has a layer overlying the exterior surface of the medical device. The layer contains a therapeutic agent, at least one of an oil, a fatty acid, and a lipid, 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, a part that has an affinity to the therapeutic agent by charge, and a part that has an affinity to the therapeutic agent by van der Waals interactions. In embodiments, the additive is at least one of a surfactant and a chemical compound. In further embodiments, the chemical compound is water-soluble.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: May 19, 2015
    Assignee: Lutonix, Inc.
    Inventor: Lixiao Wang
  • Patent number: 9023371
    Abstract: Medical device are provided 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 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 embodiments, the additive is water-soluble. In further embodiments, the additive is at least one of a surfactant and a chemical compound, and the chemical compound has a molecular weight of from 80 to 750 or has more than four hydroxyl groups.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: May 5, 2015
    Assignee: Lutonix, Inc.
    Inventor: Lixiao Wang
  • Patent number: 9005161
    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: March 18, 2013
    Date of Patent: April 14, 2015
    Assignee: Lutonix, Inc.
    Inventor: Lixiao Wang
  • Patent number: 8998847
    Abstract: Medical devices are provided 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 and an additive. The additive has a hydrophilic part and a hydrophobic part and the therapeutic agent is not enclosed in micelles or encapsulated in particles or controlled release carriers.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: April 7, 2015
    Assignee: Lutonix, Inc.
    Inventor: Lixiao Wang
  • Patent number: 8998846
    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: March 14, 2013
    Date of Patent: April 7, 2015
    Assignee: Lutonix, Inc.
    Inventor: Lixiao Wang