Patents by Inventor Ren-Yeu Tsai

Ren-Yeu Tsai 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).

  • WATER JET FOR DERMATOLOGICAL TREATMENT
    Publication number: 20010049511
    Abstract: A system for the removal of epidermal and dermal skin through the use of a pressurized stream of water. The surgeon chooses the pressure of the water to obtain the desired abrasive affect. In one embodiment of the invention, a benign abrasive is added to the water to assist in the removal of the surface cells of the skin. In other embodiments, a variety of medications are added to the water such as: anesthetics to deaden the skin being abraded; coagulants to minimized bleeding in the abraded area; and antiseptics to combat infection after treatment is applied. In one embodiment of the invention, a catch reservoir is positioned around the site being treated to collect and withdraw the spent liquid and removed cells.
    Type: Application
    Filed: March 17, 1999
    Publication date: December 6, 2001
    Inventors: WILLIAM P. COLEMAN, REN-YEU TSAI
  • Water jet for dermatological treatment
    Patent number: 6264666
    Abstract: A system for the removal of epidermal and dermal skin through the use of a pressurized stream of water. The surgeon chooses the pressure of the water to obtain the desired abrasive affect. In one embodiment of the invention, a benign abrasive is added to the water to assist in the removal of the surface cells of the skin. In other embodiments, a variety of medications are added to the water such as: anesthetics to deaden the skin being abraded; coagulants to minimized bleeding in the abraded area; and antiseptics to combat infection after treatment is applied. In one embodiment of the invention, a catch reservoir is positioned around the site being treated to collect and withdraw the spent liquid and removed cells.
    Type: Grant
    Filed: January 26, 1998
    Date of Patent: July 24, 2001
    Inventors: William P. Coleman, Ren-Yeu Tsai