Patents by Inventor Kwon Cheul Ko

Kwon Cheul Ko 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).

  • Reuse prevention safety catheter
    Patent number: 12109375
    Abstract: A reuse prevention safety catheter is proposed. The reuse prevention safety catheter includes: a catheter hub having an external needle disposed therein; a cannula plug having an internal needle inserted and penetrated into the catheter hub disposed therein to introduce the external needle into a blood vessel and be separated from the catheter hub; and a locking guide unit having a through-hole configured to allow the internal needle to pass through, wherein the through-hole is deformed when the penetrated internal needle is withdrawn, such that re-penetration of the internal needle is blocked.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: October 8, 2024
    Assignee: MEDIFIRST CO., LTD.
    Inventors: Kwon Cheul Ko, Chi Jeong An
  • REUSE PREVENTION SAFETY CATHETER
    Publication number: 20230095848
    Abstract: A reuse prevention safety catheter is proposed. The reuse prevention safety catheter includes: a catheter hub having an external needle disposed therein; a cannula plug having an internal needle inserted and penetrated into the catheter hub disposed therein to introduce the external needle into a blood vessel and be separated from the catheter hub; and a locking guide unit having a through-hole configured to allow the internal needle to pass through, wherein the through-hole is deformed when the penetrated internal needle is withdrawn, such that re-penetration of the internal needle is blocked.
    Type: Application
    Filed: September 30, 2019
    Publication date: March 30, 2023
    Inventors: Kwon Cheul Ko, Chi Jeong An