Surgery – Instruments – Chiropractic or osteopathic implement
Patent
1993-10-08
1995-04-04
Aschenbrenner, Peter A.
Surgery
Instruments
Chiropractic or osteopathic implement
606244, 5648, A61F 500
Patent
active
054033500
ABSTRACT:
A device for studying patello femoral articulation in a magnetic resonance machine has an armature with a step-cut slot. The armature is pivoted to a base frame. A leg lever has two ends, a first end with a padded cross-member for accommodating lower legs or ankles, and a second end that is pivotally mounted to the base frame. The leg lever is interconnected with the step-cut slot, so that the leg lever may be positioned in vertical increments within the slot. A secondary lever is pivotally mounted to the base frame at the same location as the leg lever, and is also fixedly attached to an end portion of the leg lever. The leg lever can be incrementally raised and lowered within the step-cut slot. Furthermore, the first end of the leg lever is biased upward. The apparatus may be substantially metal-free so that the device will not distort the magnetic field inside the magnetic resonance machine.
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patent: 4608969 (1986-09-01), Hamlin
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