Patents by Inventor Xinru DU

Xinru 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).

  • Spiral soft tissue biopsy needle
    Patent number: 11134926
    Abstract: Provided is a spiral soft tissue biopsy needle, comprising a puncture needle rod (1), a sampling needle rod (2), and a hand shank (3) for fixing the puncture needle rod (1) and the sampling needle rod (2), wherein the sampling needle rod (2) comprises a spiral needle rod (21) for fixing the sampling site and a cutting needle rod (22) for separating the sample from the sampling site, the spiral needle rod (21) has a hollow structure, the front end of the spiral needle rod (21) is provided with a spring spiral tube (211), and the front end of the cutting needle rod (22) is provided with a cutting edge (221). The spiral soft tissue biopsy needle of the present invention can improve the success rate of one-time sampling and achieve a multi-point sampling in different positions.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: October 5, 2021
    Inventors: Shihui Chen, Xinru Du
  • SPIRAL SOFT TISSUE BIOPSY NEEDLE
    Publication number: 20180280003
    Abstract: Provided is a spiral soft tissue biopsy needle, comprising a puncture needle rod (1), a sampling needle rod (2), and a hand shank (3) for fixing the puncture needle rod (1) and the sampling needle rod (2), wherein the sampling needle rod (2) comprises a spiral needle rod (21) for fixing the sampling site and a cutting needle rod (22) for separating the sample from the sampling site, the spiral needle rod (21) has a hollow structure, the front end of the spiral needle rod (21) is provided with a spring spiral tube (211), and the front end of the cutting needle rod (22) is provided with a cutting edge (221). The spiral soft tissue biopsy needle of the present invention can improve the success rate of one-time sampling and achieve a multi-point sampling in different positions.
    Type: Application
    Filed: June 5, 2018
    Publication date: October 4, 2018
    Inventors: Shihui CHEN, Xinru DU