Patents by Inventor Yvonne Teng

Yvonne Teng 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).

  • Catheter/Stent System For Activation of Photodynamic Therapy Within The Catheter/Stent System
    Publication number: 20160059031
    Abstract: A catheter/stent has multiple LEDs set in it along its length, connected to a voltage source such as a medical battery. The catheter/stent is inserted into the bile duct, to provide relief for tumor in growth that would otherwise obstruct the flow of bile through the bile duct. The LEDs perform photodynamic therapy to keep the lumen of the catheter free of tumor cells and bacteria.
    Type: Application
    Filed: June 26, 2013
    Publication date: March 3, 2016
    Inventors: Andrew Wescott, Yvonne Teng, Ting Zheng, Xuxin Zhang, Thomas H. Foster