Patents by Inventor Dike Ruan

Dike Ruan 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).

  • Method for preparing and preserving a natural allograft intervertebral disk for humans
    Patent number: 8048618
    Abstract: A natural spinal disk including adjacent vertebral structures is removed from a deceased donor, rinsed in normal saline, preserved in a cryopreservative solution, and then frozen by gradually decreasing the temperature using liquid nitrogen or similar method. The implant may be thawed in normal saline solution and then implanted in a patient in need of a vertebral disk replacement.
    Type: Grant
    Filed: June 27, 2007
    Date of Patent: November 1, 2011
    Assignee: The University of Hong Kong
    Inventors: Keith Dip Kei Luk, Dike Ruan
  • Intervertebral Disk Transplant and Implantation Method
    Publication number: 20080027551
    Abstract: A natural spinal disk including adjacent vertebral structures is removed from a deceased donor, rinsed in normal saline, preserved in a cryopreservative solution, and then frozen by gradually decreasing the temperature using liquid nitrogen or similar method. The implant may be thawed in normal saline solution and then implanted in a patient in need of a vertebral disk replacement.
    Type: Application
    Filed: June 27, 2007
    Publication date: January 31, 2008
    Inventors: Keith Dip Kei Luk, Dike Ruan