Patents by Inventor Erik M. Hansen

Erik M. Hansen 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).

  • Knee rehabilitation apparatus
    Patent number: 9474675
    Abstract: A foot cradle is mounted on tracks on a base for reciprocal motion for passive knee flexion or resistance knee flexion in either direction along the axis of the rectangular base. Resistance is supplied by resistance bands connected at both ends of the base and connected to the foot cradle. The foot cradle can be fixed in any desired position for assisted knee straightening exercises. The patient's foot is secured in the foot cradle by straps and a thigh strap keeps the patient's upper thigh in proper relationship to the apparatus.
    Type: Grant
    Filed: December 2, 2013
    Date of Patent: October 25, 2016
    Inventor: Erik M. Hansen
  • Knee Rehabilitation Apparatus
    Publication number: 20140088466
    Abstract: A foot cradle is mounted on tracks on a base for reciprocal motion for passive knee flexion or resistance knee flexion in either direction along the axis of the rectangular base. Resistance is supplied by resistance bands connected at both ends of the base and connected to the foot cradle. The foot cradle can be fixed in any desired position for assisted knee straightening exercises. The patient's foot is secured in the foot cradle by straps and a thigh strap keeps the patient's upper thigh in proper relationship to the apparatus.
    Type: Application
    Filed: December 2, 2013
    Publication date: March 27, 2014
    Inventor: Erik M. Hansen