Patents by Inventor Deyuan ZHENG

Deyuan ZHENG 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).

  • Prosthesis for preventing valve regurgitation
    Patent number: 10449049
    Abstract: A prosthesis (100) for preventing a valve regurgitation, comprising a fixation unit (110), a connection piece (120) and a closure assisting piece (130); the fixation unit (110) comprises a fixation piece (111) and an anchor (112); the connection piece (120) is flexible, and a distal section thereof is connected to a proximal section of the fixation piece (111), and a proximal section thereof is connected to a distal section of the closure assisting piece (130); the fixation piece (111) is fixed on the atrial wall or a valve ring of a patient via the anchor (112); the deployed width of the fixation piece (111) is less than two-thirds of the circumference of a valve tissue annulus; the closure assisting piece (130) is located between autologous valve leaflets of the patient when in a free state; the maximum width of the closure assisting piece (130) is less than the maximum deployed width of a single autologous valve leaflet; and the proximal end of the anchor (112) is provided with an anti-disengagement end (1
    Type: Grant
    Filed: January 9, 2017
    Date of Patent: October 22, 2019
    Assignee: NINGBO JENSCARE BIOTECHNOLOGY CO., LTD.
    Inventors: Yibin Li, Shiwen Lv, Zhiyun Xu, Jianan Li, Deyuan Zheng, Zhi Chen
  • PROSTHESIS FOR PREVENTING VALVE REGURGITATION
    Publication number: 20170112618
    Abstract: A prosthesis (100) for preventing a valve regurgitation, comprising a fixation unit (110), a connection piece (120) and a closure assisting piece (130); the fixation unit (110) comprises a fixation piece (111) and an anchor (112); the connection piece (120) is flexible, and a distal section thereof is connected to a proximal section of the fixation piece (111), and a proximal section thereof is connected to a distal section of the closure assisting piece (130); the fixation piece (111) is fixed on the atrial wall or a valve ring of a patient via the anchor (112); the deployed width of the fixation piece (111) is less than two-thirds of the circumference of a valve tissue annulus; the closure assisting piece (130) is located between autologous valve leaflets of the patient when in a free state; the maximum width of the closure assisting piece (130) is less than the maximum deployed width of a single autologous valve leaflet; and the proximal end of the anchor (112) is provided with an anti-disengagement end (1
    Type: Application
    Filed: January 9, 2017
    Publication date: April 27, 2017
    Applicant: NINGBO JENSCARE BIOTECHNOLOGY CO., LTD.
    Inventors: Yibin LI, Shiwen LV, ZHIYUN XU, Jianan LI, Deyuan ZHENG, Zhi CHEN