Boots – shoes – and leggings – Soles – Spring heel
Reexamination Certificate
2005-09-27
2005-09-27
Kavanaugh, Ted (Department: 3728)
Boots, shoes, and leggings
Soles
Spring heel
C036S028000
Reexamination Certificate
active
06948262
ABSTRACT:
A cantilevered shoe construction for preventing knee and hip osteoarthritis. The shoe construction includes a cantilevered foot support with an anchored lateral side and a fully or partially cantilevered medial side. The cantilevered foot support transfers forces, otherwise transmitted through the medial aspect of the shoe and foot, to the lateral side of the shoe and foot, thereby reducing the knee varus and hip adductor torques to prevent or delay onset of knee and hip osteoarthritis and reducing the ankle joint adductor torque to reduce the risk for ankle sprain injury. The reduction of these joint torques also maintains posture without counterbalancing muscle activity, thereby improving muscle efficiency and performance during weight bearing activities and reducing the tendency for musculoskeletal injury. A spring loading effect of other embodiments enhances the natural coronal foot progression during gait so as to enhance the push off phase of gait.
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D. Casey Kerrigan, et al., Effectiveness of a Lateral-Wedge Insole on Knee Varus Torque in Patients with Knee Osteoarthritis, Arch Phys Med Rehabil vol. 83, pp. 889-893, Jul. 2002.
Kiepe, C., Int'l Search Report, PCT/US2004/013959, May 5, 2004.
Bromberg & Sunstein LLP
Kavanaugh Ted
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