Patents by Inventor Donald N. Sullivan

Donald N. Sullivan 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).

  • HINGED ARTICULATING SPACER SYSTEM FOR REVISION KNEE ARTHROPLASTY
    Publication number: 20240173139
    Abstract: A hinged articulating spacer system for revision knee arthroplasty includes a femur rod for a femur, and a tibia rod for a tibia. The tibia rod is hingedly couplable to the femur rod to form a hinged rod assembly. A pre-formed femoral spacer component includes bone cement impregnated with an antibiotic. The pre-formed femoral spacer defines an opening that receives the hinged rod assembly. A pre-formed tibial spacer component includes bone cement impregnated with an antibiotic. The pre-formed tibial spacer defines an opening that receives the hinged rod assembly.
    Type: Application
    Filed: December 4, 2023
    Publication date: May 30, 2024
    Inventor: Donald N. Sullivan
  • Hinged articulating spacer system for revision knee arthroplasty
    Patent number: 11857424
    Abstract: A hinged articulating spacer system for revision knee arthroplasty includes a femur rod for a femur, and a tibia rod for a tibia. The tibia rod is hingedly couplable to the femur rod to form a hinged rod assembly. A pre-formed femoral spacer component includes bone cement impregnated with an antibiotic. The pre-formed femoral spacer defines an opening that receives the hinged rod assembly. A pre-formed tibial spacer component includes bone cement impregnated with an antibiotic. The pre-formed tibial spacer defines an opening that receives the hinged rod assembly.
    Type: Grant
    Filed: July 23, 2021
    Date of Patent: January 2, 2024
    Inventor: Donald N. Sullivan
  • HINGED ARTICULATING SPACER SYSTEM FOR REVISION KNEE ARTHROPLASTY
    Publication number: 20210346163
    Abstract: A hinged articulating spacer system for revision knee arthroplasty includes a femur rod for a femur, and a tibia rod for a tibia. The tibia rod is hingedly couplable to the femur rod to form a hinged rod assembly. A pre-formed femoral spacer component includes bone cement impregnated with an antibiotic. The pre-formed femoral spacer defines an opening that receives the hinged rod assembly. A pre-formed tibial spacer component includes bone cement impregnated with an antibiotic. The pre-formed tibial spacer defines an opening that receives the hinged rod assembly.
    Type: Application
    Filed: July 23, 2021
    Publication date: November 11, 2021
    Inventor: Donald N. Sullivan
  • Hinged articulating spacer system for revision knee arthroplasty
    Patent number: 11096788
    Abstract: A hinged articulating spacer system for revision knee arthroplasty includes a femur rod for a femur, and a tibia rod for a tibia. The tibia rod is hingedly couplable to the femur rod to form a hinged rod assembly. A pre-formed femoral spacer component includes bone cement impregnated with an antibiotic. The pre-formed femoral spacer defines an opening that receives the hinged rod assembly. A pre-formed tibial spacer component includes bone cement impregnated with an antibiotic. The pre-formed tibial spacer defines an opening that receives the hinged rod assembly.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: August 24, 2021
    Inventor: Donald N. Sullivan
  • HINGED ARTICULATING SPACER SYSTEM FOR REVISION KNEE ARTHROPLASTY
    Publication number: 20200113701
    Abstract: A hinged articulating spacer system for revision knee arthroplasty includes a femur rod for a femur, and a tibia rod for a tibia. The tibia rod is hingedly couplable to the femur rod to form a hinged rod assembly. A pre-formed femoral spacer component includes bone cement impregnated with an antibiotic. The pre-formed femoral spacer defines an opening that receives the hinged rod assembly. A pre-formed tibial spacer component includes bone cement impregnated with an antibiotic. The pre-formed tibial spacer defines an opening that receives the hinged rod assembly.
    Type: Application
    Filed: August 26, 2019
    Publication date: April 16, 2020
    Inventor: Donald N. Sullivan