Patents by Inventor Yun-Dun Shen

Yun-Dun Shen 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).

  • Duct For Tear Flow
    Publication number: 20160324689
    Abstract: A duct for tear flow, for connecting the nasal cavity and the lacrimal sac, comprises: a tube, which is set across the nasal mucosa, nasal bone wall and lacrimal sac mucosa, so that the nasal cavity and the lacrimal sac are connected; a positioning element, set on the front of the tube, and fastened on the lacrimal sac mucosa; so that tears flow into the nasal cavity due to a connection between the nasal cavity and the lacrimal sac.
    Type: Application
    Filed: May 7, 2015
    Publication date: November 10, 2016
    Applicant: 3D GLOBAL BIOTECH INC.
    Inventors: Yun-Dun Shen, Keng-Liang Ou