Joints and connections – Articulated members – Lockable at fixed position
Patent
1978-03-15
1979-06-12
Shedd, Wayne L.
Joints and connections
Articulated members
Lockable at fixed position
403123, 403125, F16C 1106, F16D 112
Patent
active
041578767
ABSTRACT:
This orthopedic appliance for correcting a wide variety of lower extremity deformities comprises: a bar which is scored so that it can be broken to provide a bar of a desired length; lockable articulated joints at both ends of the bar; releasable clips for rapidly attaching and detaching the articulated joints to and from the bottom of the patient's shoes; index markings allowing the articulated joints to be accurately adjusted and locked in the desired position; nesting extension attachments; and stabilizer rods for maintaining plantar or dorsi flexion and insuring that the device is not defeated by bending the knees.
Included in the appliance is a lockable articulated joint utilizing a hollow spherical member clamped between a spherical socket and a spherical locking member. The radius of curvature of the locking member is slightly greater than that of the inside of the hollow spherical member, and the radius of curvature of the outside of the hollow spherical member is likewise slightly greater than that of the socket.
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patent: 3306640 (1967-02-01), Melton et al.
patent: 3422462 (1969-01-01), Finneston
patent: 4088348 (1978-05-01), Shemtov
Shedd Wayne L.
Smith, Jr. George A.
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