Patents by Inventor Gregory R. Stewart

Gregory R. Stewart 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: 20240108399
    Abstract: An apparatus including a body, a shaft assembly extending distally from the body, and an end effector configured to grasp and transmit RF energy to the tissue. The end effector includes a first jaw having a first tissue grasping feature and a second jaw. The second jaw is pivotably coupled to the first jaw between an open position, a partially closed position, and a closed position. The second jaw includes a proximal taper having a proximal electrode surface, a distal taper including a distal electrode surface, and a juncture between the proximal and distal electrode surface. The juncture is spaced further from the first tissue grasping feature compared to the proximal and distal end while the second jaw is in the partially closed position. The proximal and distal electrode surface deform to define a gap with the first tissue grasping feature while in the closed position.
    Type: Application
    Filed: December 14, 2023
    Publication date: April 4, 2024
    Inventors: James M. Wilson, Randolph C. Stewart, Jason R. Lesko, Gregory A. Trees, Kristen L. D'Uva
  • Publication number: 20080292593
    Abstract: The disclosure pertains to methods and compositions for treating disorders affecting the central nervous system (CNS). These disorders include neurometabolic disorders such as lysosomal storage diseases that affect the central nervous system, e.g., Niemann-Pick A disease. They also include disorders such as Alzheimer's disease. The disclosed methods involve contacting an axonal ending of a neuron with a composition containing high titer AAV carrying a therapeutic transgene so that the AAV vector is axonally transported in a retrograde fashion and transgene product is expressed distally to the administration site.
    Type: Application
    Filed: November 2, 2007
    Publication date: November 27, 2008
    Applicant: GENZYME CORPORATION
    Inventors: Marco A. Passini, James Dodge, Gregory R. Stewart
  • Patent number: 6283953
    Abstract: Performance of delivery systems for delivering beneficial agents to an animal are monitored to determine the delivery rate of the beneficial agent and the proper operation of the beneficial agent delivery device. Performance monitoring can be achieved by monitoring the physical configuration of the implanted osmotic delivery device from the exterior of the body to determine the amount of beneficial agent delivered and/or the delivery rate of the beneficial agent. The monitoring of the physical configuration of the implanted osmotic delivery device may be performed in different manners such as by X-ray or fluoroscopic monitoring of the implant structure or magnetic determination of a piston location within the implant. Performance monitoring can also be achieved by use of a performance marker within the beneficial agent to produce a specifically detectable response which can be measured noninvasively in body fluids or by-products.
    Type: Grant
    Filed: December 22, 1998
    Date of Patent: September 4, 2001
    Assignee: ALZA Corporation
    Inventors: Rupal Ayer, James B. Eckenhoff, Stephen A. Berry, Gregory R. Stewart, Scott D. Jordan
  • Patent number: 5250343
    Abstract: A plastics material with at least first and second layers of plastic polymeric material, the material of the first layer having a melting point lower than the melting point of the material of the second layer. The layers are orientated and heated to at least the melting point of the first layer so that the first layer breaks up to form an irregular surface pattern bonded to the second layer. A method of producing the plastics material is also provided, the orientation and heating being done sequentially or simultaneously. The material has cloth-like properties with a "soft" feel and with minimal noise.
    Type: Grant
    Filed: May 12, 1992
    Date of Patent: October 5, 1993
    Assignee: Transpak Industries Limited
    Inventor: Gregory R. Stewart