Adjustable orthopedic aid for an extremity
First Claim
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1. An orthopedic aid for attachment to an extremity, comprising:
- an adjustment element for adjustably positioning the aid relative to the extremity;
a position detector for indicating the position of the aid relative to the extremity, the position detector including;
at least one lever positioned with respect to the extremity such that a portion of the lever is moveable in a measuring plane upon the application of a torque force to the lever caused by the extremity, wherein the lever is free of torque in the measuring plane when the aid is correctly positioned relative to the extremity; and
at least one force indicator to indicate the occurrence of torque in one or two mutually opposite directions in the measuring plane.
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Abstract
An orthopaedic aid for an extremity includes at least one adjustable element for positioning the orthopaedic aid relative to the extremity. The detector arrangement includes a plurality of indicators for indicating torques generated by the detector arrangement. The detector arrangement is positionable such that a section of the detector arrangement is torque-free. The detector arrangement generates torques arising in two opposite directions in a measuring plane in response to deviations from a stable load position.
16 Citations
22 Claims
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1. An orthopedic aid for attachment to an extremity, comprising:
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an adjustment element for adjustably positioning the aid relative to the extremity; a position detector for indicating the position of the aid relative to the extremity, the position detector including; at least one lever positioned with respect to the extremity such that a portion of the lever is moveable in a measuring plane upon the application of a torque force to the lever caused by the extremity, wherein the lever is free of torque in the measuring plane when the aid is correctly positioned relative to the extremity; and at least one force indicator to indicate the occurrence of torque in one or two mutually opposite directions in the measuring plane. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method of adjusting an orthopedic aid relative to an extremity comprising:
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positioning an orthopedic aid relative to the extremity, the orthopedic aid including at least one lever having a fixed end, and a free end which pivots relative to the free end along a measuring plane upon the application of a torque force; positioning the extremity to apply a load to the orthopedic aid along a load line; measuring the torque applied to the lever by the load based on the movement of the free end in the measuring plane; adjusting the position of the orthopedic aid relative to the extremity to minimize the amount of applied torque caused by the load; and fixing the free-end of the lever from movement after adjustment and prior to using the orthopedic. - View Dependent Claims (17, 18, 19)
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20. An orthopedic aid for attachment to an extremity, comprising:
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an adjustment element for adjustably positioning the aid relative to the extremity; a position detector for indicating the position of the aid relative to the extremity, the position detector including; at least one lever positioned with respect to the extremity such that a portion of the lever is moveable in a measuring plane upon the application of a torque force to the lever caused by the extremity; and at least one force indicator that is adapted to measure movement of the lever in the measuring plane; wherein the orthopedic aid is a foot prosthesis, and the first portion of the lever is connected to at least one spring that forms the sole of the foot. - View Dependent Claims (21, 22)
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Specification