Patents by Inventor Hongwen Yao

Hongwen Yao 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).

  • Sheath assembly for a rigid endoscope
    Patent number: 11547281
    Abstract: A sheath for covering an endoscope includes a latch assembly, an elongate body extending distally from the latch assembly, and a sheath tip extending distally from the elongate body. The latch assembly includes a main housing and a guide housing, the guide housing movable relative to the main housing to increase a longitudinal length of the latch assembly. The sheath tip has a front face including first and second windows disposed within respective first and second openings defined in the front face. The first and second windows are configured to correspond with respective lighting and imaging windows of an endoscope.
    Type: Grant
    Filed: February 15, 2018
    Date of Patent: January 10, 2023
    Assignee: Covidien LP
    Inventors: Hongwen Yao, Zhentao Lu, Zhenhai Zhang, Yong Guo
  • ROTATION ASSEMBLY FOR ENDOSCOPE LENS
    Publication number: 20220395163
    Abstract: An endoscope includes a handle assembly, an elongate shaft extending distally from the handle assembly, a tip disposed at a distal end of the elongate shaft, an imaging device disposed within the tip, and a rotation assembly operably coupled to the imaging device for rotating the imaging device within the tip.
    Type: Application
    Filed: November 15, 2019
    Publication date: December 15, 2022
    Inventors: Hongwen Yao, Yong Guo
  • SHEATH ASSEMBLY FOR A RIGID ENDOSCOPE
    Publication number: 20210113069
    Abstract: A sheath for covering an endoscope includes a latch assembly, an elongate body extending distally from the latch assembly, and a sheath tip extending distally from the elongate body. The latch assembly includes a main housing and a guide housing, the guide housing movable relative to the main housing to increase a longitudinal length of the latch assembly. The sheath tip has a front face including first and second windows disposed within respective first and second openings defined in the front face. The first and second windows are configured to correspond with respective lighting and imaging windows of an endoscope.
    Type: Application
    Filed: February 15, 2018
    Publication date: April 22, 2021
    Inventors: Hongwen Yao, Zhentao Lu, Zhenhai Zhang, Yong Guo