Patents by Inventor Hanshu ZHANG

Hanshu ZHANG 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).

  • Ethanol foam sclerosing agent for treating vascular anomalies and preparation method thereof
    Patent number: 11975099
    Abstract: The present invention relates to an ethanol foam sclerosing agent for vascular anomalies and a preparation method thereof. The ethanol foam sclerosing agent includes absolute ethanol, water, Tween 80 and a stabilizer. The ethanol foam sclerosing agent further includes hyaluronic acid. The mass composition of the ethanol foam sclerosing agent includes 32-42% of absolute ethanol, 0.5-2% of Tween 80, 0-25% (excluding 0) of egg yolk lecithin, 0-2% (excluding 0) of hyaluronic acid, and the balance of water. The stabilizer is hyaluronic acid or glycerin. Foam is prepared by the Tessari method. While the original therapeutic effect of ethanol is not changed, the side effect of the ethanol is significantly reduced.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: May 7, 2024
    Assignee: QILU HOSPITAL OF SHANDONG UNIVERSITY
    Inventors: Shaohua Liu, Hanshu Zhang, Aijun Yang, Yiran Liu
  • ETHANOL FOAM SCLEROSING AGENT FOR TREATING VASCULAR ANOMALIES AND PREPARATION METHOD THEREOF
    Publication number: 20220023210
    Abstract: The present invention relates to an ethanol foam sclerosing agent for vascular anomalies and a preparation method thereof. The ethanol foam sclerosing agent includes absolute ethanol, water, Tween 80 and a stabilizer. The ethanol foam sclerosing agent further includes hyaluronic acid. The mass composition of the ethanol foam sclerosing agent includes 32-42% of absolute ethanol, 0.5-2% of Tween 80, 0-25% (excluding 0) of egg yolk lecithin, 0-2% (excluding 0) of hyaluronic acid, and the balance of water. The stabilizer is hyaluronic acid or glycerin. Foam is prepared by the Tessari method. While the original therapeutic effect of ethanol is not changed, the side effect of the ethanol is significantly reduced.
    Type: Application
    Filed: December 11, 2019
    Publication date: January 27, 2022
    Applicant: QILU HOSPITAL OF SHANDONG UNIVERSITY
    Inventors: Shaohua LIU, Hanshu ZHANG, Aijun YANG, Yiran LIU