Patents by Inventor Yaokai GAN

Yaokai GAN 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).

  • Skin dilator
    Patent number: 9883917
    Abstract: Disclosed is a skin dilator, comprising an expander (11), a pipe network provided on the skin-side surface wall (111) of the expander (11) composed of longitudinal tube (22) and horizontal tube (21) having a reticular structure and communicating with each other, and a guide tube (24) communicating with the pipe network. The skin dilator further comprises several burrs (25) distributed on the skin-side surface wall (111) of the expander (11), and several small apertures (23) communicating the inner cavity of the tube with the outside are provided on both of the longitudinal tube (22) and horizontal tube(21). The tissue expander can be infused biological agents by the filling port to the skin expanding site through the small apertures (23), which may accelerate the expansion growth of skin, prevent skin complications, such as necrosis.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: February 6, 2018
    Assignee: SHANGHAI NINTH PEOPLE'S HOSPITAL AFFILIATED, SHANGHAI JIAOTONG, UNIVERSITY SCHOOL OF MEDICINE
    Inventors: Yaokai Gan, Kerong Dai, Qingfeng Li
  • SKIN DILATOR
    Publication number: 20160242864
    Abstract: Disclosed is a skin dilator, comprising an expander (11), a pipe network provided on the skin-side surface wall (111) of the expander (11) composed of longitudinal tube (22) and horizontal tube (21) having a reticular structure and communicating with each other, and a guide tube (24) communicating with the pipe network. The skin dilator further comprises several burrs (25) distributed on the skin-side surface wall (111) of the expander (11), and several small apertures (23) communicating the inner cavity of the tube with the outside are provided on both of the longitudinal tube (22) and horizontal tube(21). The tissue expander can be infused biological agents by the filling port to the skin expanding site through the small apertures (23), which may accelerate the expansion growth of skin, prevent skin complications, such as necrosis.
    Type: Application
    Filed: March 13, 2014
    Publication date: August 25, 2016
    Applicant: SHANGHAI NINTH PEOPLE'S HOSPITAL AFFILIATED, SHANGHAI JIAOTONG UNIVERSITY SCHOOL OF MEDICINE
    Inventors: Yaokai GAN, Kerong DAI, Qingfeng LI