Patents by Inventor Dawnielle Farrar

Dawnielle Farrar 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: 20230337900
    Abstract: The present disclosure relates generally to the field of medical devices and establishing access to body passageways. In particular, the present disclosure relates to devices, systems and methods to facilitate entry of a guidewire or other endoscopic accessory tool into and/or through patient-specific anatomies. For example, the devices, systems and methods of the present disclosure may rotate a proximal end of a guidewire to transmit mechanical motion to the distal end of the guidewire to facilitate atraumatic access to tortuous or otherwise restricted anatomies.
    Type: Application
    Filed: June 27, 2023
    Publication date: October 26, 2023
    Applicants: Boston Scientific Scimed, Inc., The Johns Hopkins University
    Inventors: Conor Reid, Emma B. Headley, Dawnielle Farrar-Gaines
  • Patent number: 11723522
    Abstract: The present disclosure relates generally to the field of medical devices and establishing access to body passageways. In particular, the present disclosure relates to devices, systems and methods to facilitate entry of a guidewire or other endoscopic accessory tool into and/or through patient-specific anatomies. For example, the devices, systems and methods of the present disclosure may rotate a proximal end of a guidewire to transmit mechanical motion to the distal end of the guidewire to facilitate atraumatic access to tortuous or otherwise restricted anatomies.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: August 15, 2023
    Assignee: The Johns Hopkins University
    Inventors: Conor Reid, Emma B. Headley, Dawnielle Farrar-Gaines
  • Patent number: 11418900
    Abstract: A tinnitus treatment device may include a sound generation unit configured to generate an electrical stimulus, and an open earphone operably coupled to the sound generation unit to produce acoustic vibrations based on the electrical stimulus. The open earphone may include an auditory passage and the open earphone may be insertable into an ear canal of a person such that the auditory passage enables sound to pass substantially unobstructed by the device into the ear canal of the person. The sound generation unit may be configured to be adjustable to tune the electrical stimulus based on a characteristic of tinnitus symptoms experienced by the person.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: August 16, 2022
    Assignee: The Johns Hopkins University
    Inventors: Dawnielle Farrar-Gaines, Bradford J. May, Howard W. Francis
  • Patent number: 11015069
    Abstract: A surface treatment formulation configured to inhibit scaling or climbing of a surface is provided. The surface treatment formulation may include a base binding material configured to adhere to the surface and a filler material embedded in the base binding material. The filler material may include a dry lubricant having a layered lamellar structure or low inter filler interaction. Furthermore, the surface treatment formulation may be configured to be activated in order to expose the filler material thereby causing formation of a slippery surface to inhibit the scaling or climbing of the surface.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: May 25, 2021
    Assignee: The Johns Hopkins University
    Inventors: Zhiyong Xia, Adam J. Maisano, Lance M. Baird, Adam W. Freeman, Sara E. Kubik, Dawnielle Farrar-Gaines
  • Patent number: 10805745
    Abstract: A middle ear implant may include a first interface portion configured to interface with a first structure of a middle ear of a patient, a second interface portion configured to interface with a second structure of the middle ear of the patient, a shaft configured to connect the first interface portion and the second interface portion, and a sensor disposed at one end of the shaft, between the shaft and one of the first interface portion or the second interface portion. The sensor may be configured to provide a DC signal output indicative of static pressure on the sensor based on placement of the sensor between the first and second structures. The sensor may also be configured to provide an AC signal output indicative of a frequency response of the implant in response to the sensor being coupled to an output device.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: October 13, 2020
    Assignee: The Johns Hopkins University
    Inventors: Dawnielle Farrar-Gaines, George L. Coles, Jr., David A. Kitchin, Howard W. Francis, Ioan Lina
  • Patent number: 10721569
    Abstract: A middle ear implant includes a first interface portion configured to interface with a first structure of a middle ear of a patient, a second interface portion configured to interface with a second structure of the middle ear of the patient, a shaft that connects the first and second interface portions, a carrier plate removably mounted in one of the first or second interface portions, and a removable sensor disposed at one end of the shaft, between the shaft and one of the first interface portion or the second interface portion. The removable sensor is configured to provide a DC signal output indicative of static pressure on the sensor based on placement of the sensor between the first and second structures, and provide an AC signal output indicative of a frequency response of the implant. The removable sensor is disposed at a portion of the carrier plate.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: July 21, 2020
    Assignee: The Johns Hopkins University
    Inventors: Dawnielle Farrar-Gaines, George L. Coles, Jr., Howard W. Francis
  • Publication number: 20200021929
    Abstract: A tinnitus treatment device may include a sound generation unit configured to generate an electrical stimulus, and an open earphone operably coupled to the sound generation unit to produce acoustic vibrations based on the electrical stimulus. The open earphone may include an auditory passage and the open earphone may be insertable into an ear canal of a person such that the auditory passage enables sound to pass substantially unobstructed by the device into the ear canal of the person. The sound generation unit may be configured to be adjustable to tune the electrical stimulus based on a characteristic of tinnitus symptoms experienced by the person.
    Type: Application
    Filed: July 9, 2019
    Publication date: January 16, 2020
    Inventors: Dawnielle Farrar-Gaines, Bradford J. May, Howard W. Francis
  • Publication number: 20190215626
    Abstract: A middle ear implant may include a first interface portion configured to interface with a first structure of a middle ear of a patient, a second interface portion configured to interface with a second structure of the middle ear of the patient, a shaft configured to connect the first interface portion and the second interface portion, and a sensor disposed at one end of the shaft, between the shaft and one of the first interface portion or the second interface portion. The sensor may be configured to provide a DC signal output indicative of static pressure on the sensor based on placement of the sensor between the first and second structures. The sensor may also be configured to provide an AC signal output indicative of a frequency response of the implant in response to the sensor being coupled to an output device.
    Type: Application
    Filed: March 12, 2019
    Publication date: July 11, 2019
    Inventors: Dawnielle Farrar-Gaines, George L. Coles, JR., David A. Kitchin, Howard W. Francis, Ioan Lina
  • Publication number: 20190209810
    Abstract: The present disclosure relates generally to the field of medical devices and establishing access to body passageways. In particular, the present disclosure relates to devices, systems and methods to facilitate entry of a guidewire or other endoscopic accessory tool into and/or through patient-specific anatomies. For example, the devices, systems and methods of the present disclosure may rotate a proximal end of a guidewire to transmit mechanical motion to the distal end of the guidewire to facilitate atraumatic access to tortuous or otherwise restricted anatomies.
    Type: Application
    Filed: January 8, 2019
    Publication date: July 11, 2019
    Inventors: Conor Reid, Emma B. Headley, Dawnielle Farrar-Gaines
  • Patent number: 10277994
    Abstract: A middle ear implant may include a first interface portion configured to interface with a first structure of a middle ear of a patient, a second interface portion configured to interface with a second structure of the middle ear of the patient, a shaft configured to connect the first interface portion and the second interface portion, and a sensor disposed at one end of the shaft, between the shaft and one of the first interface portion or the second interface portion. The sensor may be configured to provide a DC signal output indicative of static pressure on the sensor based on placement of the sensor between the first and second structures. The sensor may also be configured to provide an AC signal output indicative of a frequency response of the implant in response to the sensor being coupled to an output device.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: April 30, 2019
    Assignee: The Johns Hopkins University
    Inventors: Dawnielle Farrar-Gaines, George L. Coles, Jr., David A. Kitchin, Howard W. Francis, Ioan Lina
  • Publication number: 20180367920
    Abstract: A middle ear implant includes a first interface portion configured to interface with a first structure of a middle ear of a patient, a second interface portion configured to interface with a second structure of the middle ear of the patient, a shaft that connects the first and second interface portions, a carrier plate removably mounted in one of the first or second interface portions, and a removable sensor disposed at one end of the shaft, between the shaft and one of the first interface portion or the second interface portion. The removable sensor is configured to provide a DC signal output indicative of static pressure on the sensor based on placement of the sensor between the first and second structures, and provide an AC signal output indicative of a frequency response of the implant. The removable sensor is disposed at a portion of the carrier plate.
    Type: Application
    Filed: August 24, 2018
    Publication date: December 20, 2018
    Inventors: Dawnielle Farrar-Gaines, George L. Coles, JR., Howard W. Francis
  • Patent number: 10091588
    Abstract: A middle ear implant includes a first interface portion configured to interface with a first structure of a middle ear of a patient, a second interface portion configured to interface with a second structure of the middle ear of the patient, a shaft that connects the first and second interface portions, a carrier plate removably mounted in one of the first or second interface portions, and a removable sensor disposed at one end of the shaft, between the shaft and one of the first interface portion or the second interface portion. The removable sensor is configured to provide a DC signal output indicative of static pressure on the sensor based on placement of the sensor between the first and second structures, and provide an AC signal output indicative of a frequency response of the implant. The removable sensor is disposed at a portion of the carrier plate.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: October 2, 2018
    Assignee: The Johns Hopkins University
    Inventors: Dawnielle Farrar-Gaines, George L. Coles, Jr., Howard W. Francis
  • Publication number: 20170311101
    Abstract: A middle ear implant may include a first interface portion configured to interface with a first structure of a middle ear of a patient, a second interface portion configured to interface with a second structure of the middle ear of the patient, a shaft configured to connect the first interface portion and the second interface portion, and a sensor disposed at one end of the shaft, between the shaft and one of the first interface portion or the second interface portion. The sensor may be configured to provide a DC signal output indicative of static pressure on the sensor based on placement of the sensor between the first and second structures. The sensor may also be configured to provide an AC signal output indicative of a frequency response of the implant in response to the sensor being coupled to an output device.
    Type: Application
    Filed: July 10, 2017
    Publication date: October 26, 2017
    Inventors: Dawnielle Farrar-Gaines, George L. Coles, Jr., David A. Kitchin, Howard W. Francis, Ioan Lina
  • Patent number: 9743200
    Abstract: A middle ear implant may include a first interface portion configured to interface with a first structure of a middle ear of a patient, a second interface portion configured to interface with a second structure of the middle ear of the patient, a shaft configured to connect the first interface portion and the second interface portion, and a sensor disposed at one end of the shaft, between the shaft and one of the first interface portion or the second interface portion. The sensor may be configured to provide a DC signal output indicative of static pressure on the sensor based on placement of the sensor between the first and second structures. The sensor may also be configured to provide an AC signal output indicative of a frequency response of the implant in response to the sensor being coupled to an output device.
    Type: Grant
    Filed: April 24, 2014
    Date of Patent: August 22, 2017
    Assignee: The Johns Hopkins University
    Inventors: Dawnielle Farrar, George L. Coles, Jr., David A. Kitchin, Howard W. Francis, Ioan Lina
  • Publication number: 20170215009
    Abstract: A middle ear implant includes a first interface portion configured to interface with a first structure of a middle ear of a patient, a second interface portion configured to interface with a second structure of the middle ear of the patient, a shaft that connects the first and second interface portions, a carrier plate removably mounted in one of the first or second interface portions, and a removable sensor disposed at one end of the shaft, between the shaft and one of the first interface portion or the second interface portion. The removable sensor is configured to provide a DC signal output indicative of static pressure on the sensor based on placement of the sensor between the first and second structures, and provide an AC signal output indicative of a frequency response of the implant. The removable sensor is disposed at a portion of the carrier plate.
    Type: Application
    Filed: April 10, 2017
    Publication date: July 27, 2017
    Inventors: Dawnielle Farrar-Gaines, George L. Coles, JR., Howard W. Francis
  • Patent number: 9649065
    Abstract: A middle ear implant includes a first interface portion configured to interface with a first structure of a middle ear of a patient, a second interface portion configured to interface with a second structure of the middle ear of the patient, a shaft that connects the first and second interface portions, a carrier plate removably mounted in one of the first or second interface portions, and a removable sensor disposed at one end of the shaft, between the shaft and one of the first interface portion or the second interface portion. The removable sensor is configured to provide a DC signal output indicative of static pressure on the sensor based on placement of the sensor between the first and second structures, and provide an AC signal output indicative of a frequency response of the implant. The removable sensor is disposed at a portion of the carrier plate.
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: May 16, 2017
    Assignee: The Johns Hopkins University
    Inventors: Dawnielle Farrar-Gaines, George L. Coles, Jr., Howard W. Francis
  • Patent number: 9484524
    Abstract: Piezoelectric compositions are provided wherein mechanical and piezoelectric properties can be separately modulated. Preferred compositions include resin blends that comprise: (a) a piezoelectrically active polymer and (b) a matrix polymer, methods of making, and use of such resin blends. Advantages of preferred resin blends of the invention can include high piezoelectricity, mechanical strength and flexibility, convenient fabrication process, and high sensitivity at high temperatures.
    Type: Grant
    Filed: January 2, 2014
    Date of Patent: November 1, 2016
    Assignee: The Johns Hopkins University
    Inventors: Michael Yu, James E. West, Ilene J. Busch-Vishniac, Dawnielle Farrar
  • Publication number: 20160081796
    Abstract: A middle ear implant includes a first interface portion configured to interface with a first structure of a middle ear of a patient, a second interface portion configured to interface with a second structure of the middle ear of the patient, a shaft that connects the first and second interface portions, a carrier plate removably mounted in one of the first or second interface portions, and a removable sensor disposed at one end of the shaft, between the shaft and one of the first interface portion or the second interface portion. The removable sensor is configured to provide a DC signal output indicative of static pressure on the sensor based on placement of the sensor between the first and second structures, and provide an AC signal output indicative of a frequency response of the implant. The removable sensor is disposed at a portion of the carrier plate.
    Type: Application
    Filed: September 18, 2015
    Publication date: March 24, 2016
    Inventors: Dawnielle Farrar-Gaines, George L. Coles, JR., Howard W. Francis
  • Patent number: 8946974
    Abstract: Piezoelectric fibers include a polypeptide wherein molecules of the polypeptide have electric dipole moments that are aligned such that the piezoelectric fiber provides a piezoelectric effect at an operating temperature. A piezoelectric component provides a plurality of piezoelectric fibers, each comprising an organic polymer. A method of producing piezoelectric fibers includes electrospinning a polymer solution to form a fiber and winding the fiber onto a rotating target in which the rotating target is electrically grounded. An acoustic sensor includes a plurality acoustic transducers, wherein the plurality of acoustic transducers are structured and arranged to detect a corresponding plurality of vector components of an acoustic signal, and at least one of the plurality of acoustic transducers comprises a piezoelectric fiber.
    Type: Grant
    Filed: August 19, 2009
    Date of Patent: February 3, 2015
    Assignee: The Johns Hopkins University
    Inventors: Michael Yu, Dawnielle Farrar, Wonkyu Moon, James West, Sangkyu Lee
  • Publication number: 20140323798
    Abstract: A middle ear implant may include a first interface portion configured to interface with a first structure of a middle ear of a patient, a second interface portion configured to interface with a second structure of the middle ear of the patient, a shaft configured to connect the first interface portion and the second interface portion, and a sensor disposed at one end of the shaft, between the shaft and one of the first interface portion or the second interface portion. The sensor may be configured to provide a DC signal output indicative of static pressure on the sensor based on placement of the sensor between the first and second structures. The sensor may also be configured to provide an AC signal output indicative of a frequency response of the implant in response to the sensor being coupled to an output device.
    Type: Application
    Filed: April 24, 2014
    Publication date: October 30, 2014
    Applicant: THE JOHNS HOPKINS UNIVERSITY
    Inventors: Dawnielle Farrar, George L. Coles, JR., David A. Kitchin, Howard W. Francis, Ioan Lina