Patents by Inventor Gregory W. Johnson, IV

Gregory W. Johnson, IV 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).

  • SURGICAL ACCESS DEVICES AND METHODS PROVIDING SEAL MOVEMENT IN PREDEFINED MOVEMENT REGIONS
    Publication number: 20240081802
    Abstract: Various methods and devices are provided for allowing multiple surgical instruments to be inserted into sealing elements of a single surgical access device. The sealing elements can be movable along predefined pathways within the device to allow surgical instruments inserted through the sealing elements to be moved laterally, rotationally, angularly, and vertically relative to a central longitudinal axis of the device for ease of manipulation within a patient's body while maintaining insufflation.
    Type: Application
    Filed: November 16, 2023
    Publication date: March 14, 2024
    Inventors: Mark S. Ortiz, David T. Martin, Matthew C. Miller, Mark J. Reese, Wells D. Haberstich, Carl Shurtleff, Charles J. Scheib, Frederick E. Shelton, IV, Jerome R. Morgan, Daniel H. Duke, Daniel J. Mumaw, Gregory W. Johnson, Kevin L. Houser
  • Electrosurgical device with disposable shaft having rack and pinion drive
    Patent number: 9737300
    Abstract: An apparatus comprises an end effector, a shaft assembly, and an interface assembly. The end effector is coupled with the shaft assembly. The shaft assembly comprises a translating member extending through the shaft assembly. The interface assembly is operable to engage the shaft assembly and comprises a plurality of drive shafts and a rack. One of the drive shafts is operable to drive the rack along a path that is parallel to the longitudinal axis of the shaft assembly. A plurality of racks may be used to rotate the shaft assembly, articulate the shaft assembly, and/or drive the translating member through the shaft assembly to thereby actuate the end effector.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: August 22, 2017
    Assignee: Ethicon LLC
    Inventors: Shailendra K. Parihar, Barry C. Worrell, David T. Martin, William J. White, Gregory W. Johnson, IV
  • ELECTROSURGICAL DEVICE WITH DISPOSABLE SHAFT HAVING RACK AND PINION DRIVE
    Publication number: 20140276723
    Abstract: An apparatus comprises an end effector, a shaft assembly, and an interface assembly. The end effector is coupled with the shaft assembly. The shaft assembly comprises a translating member extending through the shaft assembly. The interface assembly is operable to engage the shaft assembly and comprises a plurality of drive shafts and a rack. One of the drive shafts is operable to drive the rack along a path that is parallel to the longitudinal axis of the shaft assembly. A plurality of racks may be used to rotate the shaft assembly, articulate the shaft assembly, and/or drive the translating member through the shaft assembly to thereby actuate the end effector.
    Type: Application
    Filed: March 13, 2013
    Publication date: September 18, 2014
    Inventors: Shailendra K. Parihar, Barry C. Worrell, David T. Martin, William J. White, Gregory W. Johnson, IV