Patents by Inventor Yaju Du

Yaju Du 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).

  • Double-joint sickle knife for endoscopy therapy
    Patent number: 10524818
    Abstract: A double-joint sickle knife for an endoscopy therapy includes a knife head, a knife base, a knife body, an outer sheath, a guide wire, a handle and a sliding rod. The knife head is connected with one end of the knife base by a transverse joint, and the other end of the knife base is connected with a head end of the knife body by a longitudinal joint. The outer sheath is sleeved on the outside of the knife body and capable of sliding along the knife body. The tail end of the knife body is connected with one end of the handle, and a sliding rod for adjusting the transverse joint is arranged on the handle. The guide wire is electric conductive. One end of the guide wire is connected with the knife head, and passes through the knife base, the knife body, the handle and the sliding rod successively. The other end of the guide wire is connected with the power port.
    Type: Grant
    Filed: March 17, 2016
    Date of Patent: January 7, 2020
    Assignee: HARBIN MEDICAL UNIVERSITY
    Inventors: Bingrong Liu, Lixia Zhao, Bing Du, Yaju Du, Lingjian Kong, Shui Liu
  • DOUBLE-JOINT SICKLE KNIFE FOR ENDOSCOPY THERAPY
    Publication number: 20160270812
    Abstract: A double-joint sickle knife for an endoscopy therapy includes a knife head, a knife base, a knife body, an outer sheath, a guide wire, a handle and a sliding rod. The knife head is connected with one end of the knife base by a transverse joint, and the other end of the knife base is connected with a head end of the knife body by a longitudinal joint. The outer sheath is sleeved on the outside of the knife body and capable of sliding along the knife body. The tail end of the knife body is connected with one end of the handle, and a sliding rod for adjusting the transverse joint is arranged on the handle. The guide wire is electric conductive. One end of the guide wire is connected with the knife head, and passes through the knife base, the knife body, the handle and the sliding rod successively. The other end of the guide wire is connected with the power port.
    Type: Application
    Filed: March 17, 2016
    Publication date: September 22, 2016
    Inventors: Bingrong Liu, Lixia Zhao, Bing Du, Yaju Du, Lingjian Kong, Shui Liu