Patents by Inventor Jiehua Lei

Jiehua Lei 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).

  • Central venous catheter, preparation method therefor and medical device comprising same
    Patent number: 11311653
    Abstract: The disclosure relates to a central venous catheter, preparation method thereof and a medical device having the same. The central venous catheter comprises a tube body and a coating formed on the surface of tube body, coating being formed of a coating composition comprising at least one photosensitive functional compound and at least one photocurable polymer. The central venous catheter of the disclosure can prevent thrombosis, dissolve primary thrombus, and possess super-lubricated surface and firm coating bonding.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: April 26, 2022
    Assignee: JIANGSU BIOSURF BIOTECH CO., LTD.
    Inventor: Jiehua Lei
  • CENTRAL VENOUS CATHETER, PREPARATION METHOD THEREFOR AND MEDICAL DEVICE COMPRISING SAME
    Publication number: 20220040384
    Abstract: The disclosure relates to a central venous catheter, preparation method thereof and a medical device having the same. The central venous catheter comprises a tube body and a coating formed on the surface of tube body, coating being formed of a coating composition comprising at least one photosensitive functional compound and at least one photocurable polymer. The central venous catheter of the disclosure can prevent thrombosis, dissolve primary thrombus, and possess super-lubricated surface and firm coating bonding.
    Type: Application
    Filed: November 7, 2019
    Publication date: February 10, 2022
    Applicant: Jiangsu Biosurf Biotech co., Ltd.
    Inventor: Jiehua Lei
  • PHOTOCURABLE HYDROPHILIC POLYMER, AND COATING COMPOSITION, HYDROPHILIC LUBRICATING COATING AND ARTICLE BASED ON THE SAME
    Publication number: 20210309781
    Abstract: A photocurable hydrophilic polymer, coating composition and hydrophilic lubricating coating based on the same are provided. The photocurable polymer is formed by copolymerization of a polymerizable photosensitive monomer and a hydrophilic monomer. The photosensitive monomer comprises: 1) units containing a photosensitive structure; 2) units containing a tertiary amine co-initiator structure; and 3) units containing and unsaturated bond. The units containing the photosensitive structure are at least connected with the units containing the tertiary amine co-initiator structure through —OC(?O)—, and the units containing the unsaturated bond structure are connected with the units containing the photosensitive structure through the units containing the tertiary amine co-initiator structure. The photocurable hydrophilic polymer has a high photocurable efficiency, a simple preparation process, a high production efficiency, less environmental pollution, and hardly any cross-linking.
    Type: Application
    Filed: July 4, 2019
    Publication date: October 7, 2021
    Inventors: Zengchao Tang, Jiehua Lei