Patents Assigned to Guangzhou Bioseal Biotech Co., Ltd.
  • Patent number: 11413335
    Abstract: The present invention is directed to hemostatic compositions comprising at least partially integrated agglomerated ORC fibers, fibrinogen, and thrombin and methods of forming a powdered hemostatic composition, comprising the steps of: forming a suspension of a mixture comprising particles of fibrinogen, thrombin, ORC fibers in a non-aqueous low boiling solvent, agitating and shearing said suspension in a high shear mixing reactor, adding water to allow particles to agglomerate, allowing the non-aqueous solvent to evaporate, drying and sieving the composition; and thus forming the powdered hemostatic composition.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: August 16, 2022
    Assignees: Guangzhou Bioseal Biotech Co. Ltd, Ethicon, Inc.
    Inventors: Shuang Chen, Yufu Li, Aibin Yu, Jianping Yu
  • Patent number: 11229720
    Abstract: The present invention is directed to hemostatic compositions comprising at least partially integrated agglomerated oxidized regenerated cellulose (ORC) fibers, fibrinogen, and thrombin and methods of forming a powdered hemostatic composition, comprising the steps of: forming a suspension of a mixture comprising particles of fibrinogen, thrombin, ORC fibers in a non-aqueous low boiling solvent; spraying the suspension through a nozzle onto a substrate, allowing the non-aqueous solvent to evaporate; separating from the substrate and sieving the composition.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: January 25, 2022
    Assignee: Guangzhou Bioseal Biotech Co., Ltd.
    Inventors: Shuang Chen, Yufu Li, Dengmin Feng, Xiang Wan
  • Patent number: 10918790
    Abstract: The present invention is directed to multi-liquid loading and delivery kits comprising a first storage vessel for a first active component, a second storage vessel for a second active component, at least two transfer syringes, at least two vial adaptors, at least two cannulas with a through lumen and a multi-liquid delivery device. The delivery device has dual hollow cartridges, each with at least one throughbore at one end and plunger access at the opposing end, a kick stand, a removable dual feed funnel, a spray or drip manifold and at least one spray or drip tip assembly.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: February 16, 2021
    Assignees: Guangzhou Bioseal Biotech Co., Ltd., Ethicon, Inc.
    Inventors: Michael J. Trezza, John Goodman
  • Patent number: 10736786
    Abstract: The present invention is directed to a flowable hemostatic paste comprising a crosslinked carboxymethyl cellulose and at least one non-toxic dispersant. More specifically the present invention relates to a hemostatic paste containing citric acid cross-linked CMC, which is suspended or dispersed as a powder in a mixture of a first non-toxic glycerol-containing hygroscopic dispersant and a second non-toxic alcohol functionalized dispersant comprising propylene glycol or 1,3-butanediol.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: August 11, 2020
    Assignees: Guangzhou Bioseal Biotech Co., Ltd., Johnson & Johnson China Ltd., Ethicon, Inc.
    Inventors: Dengmin Feng, Ling Teng, Yanhui Zhang, Guojun Ni, Yufu Li, Xiang Wan
  • Patent number: D829888
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: October 2, 2018
    Assignee: Guangzhou Bioseal Biotech Co., Ltd.
    Inventors: Shiwei Xie, Michael J. Trezza, II, John Goodman, Jared Schneider
  • Patent number: D877890
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: March 10, 2020
    Assignees: Guangzhou Bioseal Biotech Co., Ltd., Ethicon, Inc.
    Inventors: Shiwei Xie, Michael J. Trezza, II, John Goodman, Jared Schneider
  • Patent number: D877891
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: March 10, 2020
    Assignees: Guangzhou Bioseal Biotech Co., Ltd., Ethicon, Inc.
    Inventors: Shiwei Xie, Michael J. Trezza, II, John Goodman, Jared Schneider