Patents by Inventor David E. Kaplan

David E. Kaplan 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: 10874742
    Abstract: The present application relates to silk fibroin-based materials, methods for making and using the same. Provided materials exhibit shape memory characteristics while showing comparable or better volumetric swelling, biocompatibility and/or degradability when compared to current memory polymers derived from either natural or synthetic materials.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: December 29, 2020
    Assignee: Tufts University
    Inventors: David L. Kaplan, Fiorenzo G. Omenetto, Joseph E. Brown, Rodrigo R. Jose
  • Publication number: 20200254245
    Abstract: An implantable neurostimulation system comprises a stimulation delivery lead and a neurostimulator. The stimulation delivery lead is coupled to an electrode. The neurostimulator is adapted to deliver a neurostimulation signal to the subject and comprises a microprocessor. The microprocessor is programmed to identify a stimulation operating window for the therapy including a first threshold and a second threshold. The second threshold comprises an awake level and an asleep level. Identifying the stimulation operating window comprises titrating a stimulation setting of the neurostimulator while the subject is awake until the first threshold and the awake level of the second threshold are identified. Identifying the stimulation operating window further comprises subsequently repeating the step of titrating the stimulation setting of the neurostimulator while the subject is asleep until the asleep level of the second threshold is identified.
    Type: Application
    Filed: April 24, 2020
    Publication date: August 13, 2020
    Applicant: LivaNova USA, Inc.
    Inventors: Stephen L. Bolea, Thomas B. Hoegh, Brian D. Kuhnley, Dale G. Suilmann, Bruce J. Persson, John P. Beck, Sidney Hauschild, Paula M. Kaplan, Adam K. Hoyhtya, Wondimeneh Tesfayesus, Robert E. Atkinson, Peter R. Eastwood, David R. Hillman
  • Patent number: 10632306
    Abstract: Devices, systems and methods of neurostimulation for treating obstructive sleep apnea.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: April 28, 2020
    Assignee: LivaNova USA, Inc.
    Inventors: Stephen L. Bolea, Thomas B. Hoegh, Brian D. Kuhnley, Dale G. Suilmann, Bruce J. Persson, John P. Beck, Sidney Hauschild, Paula M. Kaplan, Adam K. Hoyhtya, Wondimeneh Tesfayesus, Robert E. Atkinson, Peter R. Eastwood, David R. Hillman
  • Publication number: 20200063846
    Abstract: A differential with a washer for a gear in a differential housing includes an outer edge at a maximum radial distance from an axis, and an inner edge defining an opening, the inner edge defined in part by an innermost portion at a minimum radial distance from the axis and the inner edge having an outward portion spaced radially outwardly from the innermost portion. The washer also includes an axially and radially inclined sidewall extending at least part of the way between the outer edge and the innermost portion.
    Type: Application
    Filed: October 30, 2019
    Publication date: February 27, 2020
    Inventors: David E. Gall, Kevin J. Kaplan
  • Patent number: 6016712
    Abstract: The present invention concerns devices for receiving and processing a sample. The device comprises a sample receiving element adapted to establish fluid communication with and receive a sample directly from a sample container. The sample receiving element also allows for introduction of a sample into the device. A first chamber is in fluid communication with the sample receiving element. One or more second chambers are in fluid communication with the first chamber. The device also comprises first and second ports. The first port provides for venting the device. The second port provides for establishing communication between the device and means for moving the sample from the sample receiving element to the first chamber and for moving the sample from the first chamber to the one or more second chambers. Also included as part of the device is means for controlling the precise amount of the sample introduced into each of the second chambers.
    Type: Grant
    Filed: September 18, 1997
    Date of Patent: January 25, 2000
    Assignee: Accumetrics
    Inventors: Laurence Warden, David E. Kaplan
  • Patent number: 5423746
    Abstract: A method for testing for patency at a venous access site during intravenous infusion of a medical solution includes the steps of occluding an intravenous injection tube upstream from the venous access site and monitoring the time and fluid pressure within the tube while the fluid pressure within the tube is varied by external contact with the tube. An apparatus for practicing the method of the invention includes a housing formed with a tube receiving portion for holding a portion of the tube in contact with an occluder finger, a fluid moving finger and a pressure transducer. The fluid moving finger is adapted to contact the tube so as to achieve a testing base pressure in the fluid, after occlusion by the occluder finger. A sequence of pressure drops are then effected by moving the fluid moving finger in stepped increments.
    Type: Grant
    Filed: May 24, 1993
    Date of Patent: June 13, 1995
    Assignee: IMED Corporation
    Inventors: David H. Burkett, David E. Kaplan
  • Patent number: 4954046
    Abstract: A linear peristaltic pump includes a mechanism for maintaining linear flow of fluid through an I.V. tube. The mechanism comprises a casing carrying a rotatable camshaft having a plurality of cams spaced therealong in helical arrangement and a plurality of fingers coupled to the camshaft. A housing for establishing linear reciprocal movement of the fingers in response to rotation of the shaft establishes a moving zone of occlusion along a tube held against the fingers. Aligning means are included for establishing an axis of rotation of the camshaft which is slightly tilted with respect to the tube. This is accomplished by raising or lowering the upstream or the downstream end of the camshaft to prevent unwanted pressure from building up in the tube to reduce pulsatile flow and maintain linear flow. The aligning mechanism comprises a generally cylindrical bushing having an eccentric hole therethrough for carrying the hinged connection between the casing and the housing.
    Type: Grant
    Filed: December 8, 1989
    Date of Patent: September 4, 1990
    Assignee: IMED Corporation
    Inventors: Ronald D. Irvin, David Burkett, David E. Kaplan, Ronald J. Harvey
  • Patent number: 4909710
    Abstract: A linear peristaltic pump equipped with a pressure relief mechanism for pumping I.V. fluids to a patient comprises a platen for supporting the tube, and a plurality of fingers which sequentially urge against the tube resting against the platen for creating a moving zone of occlusion. Cam lobes are formed to lift a penultimate and ultimate finger off of the tube at a rate faster than the other fingers to prevent pressure increases inside the tube which would otherwise be caused by other fingers urging against the tube. Additionally, the ultimate finger may be shortened with respect to the other fingers to reduce the total occlusion time of the ultimate finger to provide a more linearized flow of fluid to the patient.
    Type: Grant
    Filed: October 23, 1989
    Date of Patent: March 20, 1990
    Assignee: Fisher Scientific Company
    Inventors: David E. Kaplan, David Burkett, Laurence Warden
  • Patent number: D409758
    Type: Grant
    Filed: January 14, 1998
    Date of Patent: May 11, 1999
    Assignee: Accumetrics
    Inventors: Laurence Warden, David E. Kaplan