Patents by Inventor Yi-Lan Allen Wang

Yi-Lan Allen Wang 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).

  • Hemostatic composite aggregate materials having surface enriched with hemostatis-promoting agents
    Patent number: 12285540
    Abstract: The present invention relates to a hemostatic absorbable composition, comprising: a flowable plurality of separate aggregates each comprising: a plurality of absorbable carrier particles coated on a surface thereof by a plurality of smaller particles comprising an absorbable supplemental hemostasis-promoting agent. In some embodiments, the absorbable carrier particles comprise gelatin or collagen, and the supplemental hemostasis-promoting agent comprises oxidized cellulose, oxidized regenerated cellulose, carboxylic oxidized cellulose, carboxylic oxidized regenerated cellulose, thrombin, or tranexamic acid.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: April 29, 2025
    Assignee: Ethicon, Inc.
    Inventors: Yi-Lan Allen Wang, Jerry Yan, Leo B. Kriksunov
  • Sealant Dressing with Protected Reactive Components
    Publication number: 20220062492
    Abstract: The present invention is directed to multi-layered wound dressings having a carrier layer, at least two sublayers, wherein each sublayer contains at least one reactive, cross-linkable component and the at least two reactive, cross-linkable components are co-reactive with the other and at least one reactive, cross-linkable has a protective leaving group and a buffering salt agent.
    Type: Application
    Filed: August 31, 2020
    Publication date: March 3, 2022
    Inventors: THOMAS Weindl, Xuejun Jay Liu, Gerard Llanos, Yi-Lan Allen Wang, Wilai Kosol
  • Hemostatic Composite Aggregate Materials Having Surface Enriched with Hemostatis
    Publication number: 20220023491
    Abstract: The present invention relates to a hemostatic absorbable composition, comprising: a flowable plurality of separate aggregates each comprising: a plurality of absorbable carrier particles coated on a surface thereof by a plurality of smaller particles comprising an absorbable supplemental hemostasis-promoting agent. In some embodiments, the absorbable carrier particles comprise gelatin or collagen, and the supplemental hemostasis-promoting agent comprises oxidized cellulose, oxidized regenerated cellulose, carboxylic oxidized cellulose, carboxylic oxidized regenerated cellulose, thrombin, or tranexamic acid.
    Type: Application
    Filed: July 21, 2020
    Publication date: January 27, 2022
    Inventors: Yi-Lan Allen Wang, Jerry Yan, Leo B. Kriksunov
  • EXPANDABLE HEMOSTAT COMPOSED OF OXIDIZED CELLULOSE
    Publication number: 20210038757
    Abstract: An expandable biodegradable hemostatic matrix comprised of oxidized cellulose, and having a density ranging from about 0.8 to about 1.2 gr/cm3 is disclosed herein. The matrix may be expandable to at least 3 times its original volume within 4 sec upon contact with an aqueous solution room temperature. Further disclosed are methods for making the hemostatic matrix as well as method of treating a wound.
    Type: Application
    Filed: August 3, 2020
    Publication date: February 11, 2021
    Inventors: EREZ ILAN, OMRI FAINGOLD, TAMAR AUERBACH-NEVO, TALI NEGREANU-GILBOA, HADAS ALPERIN, Yi-Lan Allen Wang, Dwayne Looney