Patents by Inventor Dana Andrew Alden

Dana Andrew Alden 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).

  • Patent number: 11622869
    Abstract: The invention is defined by the claims set forth herein; however, briefly, the invention herein is an extractor for a human femoral component with a trunnion neck comprising, a plurality of extractor sections, including a first section with a first axis, a second section with a second axis, and a third section with a third axis; a body with a threaded hole defined therein that is provided with a clamping body section and a central body section, a pivoting member with first end, a second end, and a pivot hole defined thereinbetween that includes a clamping structure located at the second end that is shaped to clamp the trunnion neck of the femoral component; and a pivot that secures the pivoting member to the body by extending through the pivot hole defined in the pivoting member and the pivot hole defined in the fulcrum structure of the body.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: April 11, 2023
    Assignee: Tri-Sphere Holdings
    Inventor: Dana Andrew Alden
  • Patent number: 11617660
    Abstract: Briefly, the invention herein is an extractor for clamping and extracting the femoral component from a patient's femur, comprising a body, a lever, a fulcrum, and a strike plate, wherein: (a) defined within the body is an opening for the lever and a threaded surface that cooperates with a threaded fastener to lock the extractor on the femoral component; (b) the lever extends through the lever opening and includes a clamping surface and a locking surface; (c) the locking surface cooperates with the threaded surface of the body to lock the lever in place; (d) the fulcrum comprises a stainless steel pin extending through the body and the lever; and (e) the strike plate is configured to receive the blows of a mallet.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: April 4, 2023
    Assignee: Tri-Sphere Holdings, LLC
    Inventor: Dana Andrew Alden
  • Publication number: 20210386558
    Abstract: Briefly, the invention herein is an extractor for clamping and extracting the femoral component from a patient's femur, comprising a body, a lever, a fulcrum, and a strike plate, wherein: (a) defined within the body is an opening for the lever and a threaded surface that cooperates with a threaded fastener to lock the extractor on the femoral component; (b) the lever extends through the lever opening and includes a clamping surface and a locking surface; (c) the locking surface cooperates with the threaded surface of the body to lock the lever in place; (d) the fulcrum comprises a stainless steel pin extending through the body and the lever; and (e) the strike plate is configured to receive the blows of a mallet.
    Type: Application
    Filed: June 12, 2020
    Publication date: December 16, 2021
    Inventor: Dana Andrew Alden
  • Publication number: 20210030563
    Abstract: The invention is defined by the claims set forth herein; however, briefly, the invention herein is an extractor for a human femoral component with a trunnion neck comprising, a plurality of extractor sections, including a first section with a first axis, a second section with a second axis, and a third section with a third axis; a body with a threaded hole defined therein that is provided with a clamping body section and a central body section, a pivoting member with first end, a second end, and a pivot hole defined thereinbetween that includes a clamping structure located at the second end that is shaped to clamp the trunnion neck of the femoral component; and a pivot that secures the pivoting member to the body by extending through the pivot hole defined in the pivoting member and the pivot hole defined in the fulcrum structure of the body.
    Type: Application
    Filed: July 29, 2019
    Publication date: February 4, 2021
    Applicant: Tri-Sphere Holdings, LLC
    Inventor: Dana Andrew Alden