Patents by Inventor Christopher Razavi

Christopher Razavi 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).

  • Vacuum forming of thermoplastic bioabsorbable scaffolds for use in auricular reconstruction
    Patent number: 12721728
    Abstract: Provided is a polymeric auricular scaffold for use in auricular implants and methods for making them. The disclosed polymeric auricular scaffold is formed using a biocompatible polymer sheet that is vacuumed formed into a shape representing auricular cartilage using a vacuum forming mold.
    Type: Grant
    Filed: September 21, 2020
    Date of Patent: September 1, 2026
    Assignee: THE JOHNS HOPKINS UNIVERSITY
    Inventors: Kofi Boahene, Christopher Razavi, Andrew Lee
  • Minimally invasive magnetic vocal fold manipulator
    Patent number: 12220311
    Abstract: A minimally invasive magnetic vocal fold manipulator system and method is disclosed. Namely, a magnetic vocal fold manipulator system is provided that includes a magnetics-based thyroid cartilage implant, a magnetics-based arytenoid cartilage implant, and an implant introducer device. Additionally, a method is provided of using the minimally invasive magnetic vocal fold manipulator system for performing lateralization and/or medialization of the vocal cord.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: February 11, 2025
    Assignee: The Johns Hopkins University
    Inventors: Charles W. Cummings, Allen L. Feng, Christopher Razavi, Alexander T. Hillel
  • VACUUM FORMING OF THERMOPLASTIC BIOABSORBABLE SCAFFOLDS FOR USE IN AURICULAR RECONSTRUCTION
    Publication number: 20220338993
    Abstract: Provided is a polymeric auricular scaffold for use in auricular implants and methods for making them. The disclosed polymeric auricular scaffold is formed using a biocompatible polymer sheet that is vacuumed formed into a shape representing auricular cartilage using a vacuum forming mold.
    Type: Application
    Filed: September 21, 2020
    Publication date: October 27, 2022
    Inventors: Kofi BOAHENE, Christopher RAZAVI, Andrew LEE
  • MINIMALLY INVASIVE MAGNETIC VOCAL FOLD MANIPULATOR
    Publication number: 20220183822
    Abstract: A minimally invasive magnetic vocal fold manipulator system and method is disclosed. Namely, a magnetic vocal fold manipulator system is provided that includes a magnetics-based thyroid cartilage implant, a magnetics-based arytenoid cartilage implant, and an implant introducer device. Additionally, a method is provided of using the minimally invasive magnetic vocal fold manipulator system for performing lateralization and/or medialization of the vocal cord.
    Type: Application
    Filed: April 17, 2020
    Publication date: June 16, 2022
    Inventors: Charles W. Cummings, Allen L. Feng, Christopher Razavi, Alexander T. Hillel