US 12,350,181 B2
Lower limb orthosis
William Byrne Madden, Fort Walton Beach, FL (US); and Leo Chuen Chen, Destin, FL (US)
Assigned to LB2 TECHNOLOGIES, LLC
Filed by LB2 Technologies, LLC, Destin, FL (US)
Filed on Apr. 3, 2020, as Appl. No. 16/840,158.
Claims priority of provisional application 62/919,988, filed on Apr. 8, 2019.
Prior Publication US 2020/0315833 A1, Oct. 8, 2020
Int. Cl. A61F 5/01 (2006.01)
CPC A61F 5/0127 (2013.01) [A61F 2005/0165 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An orthosis comprising a shell configured to be in close proximity to an anatomical foot and leg, said shell comprising:
a leg portion configured to fit over an anterior surface of the leg;
a foot portion configured to fit over a dorsal surface of the foot and configured to impede dorsiflexion of the foot, the foot portion consisting of a heel portion configured to fit over a heel of the foot and adapted to lift the heel when an anterior force is applied to the leg portion, the heel portion connected to the foot portion on a single side of the orthosis and configured to leave a gap on an opposite side of the orthosis to receive the foot;
wherein the shell is formed in a specific angle of dorsiflexion of the foot;
wherein the leg portion, heel portion, and foot portion comprise a monolithic, rigid form; and
a plurality of toe portions with gaps therebetween, the plurality of toe portions configured to be in close proximity to a plurality of toes of the foot;
wherein only the heel portion of the shell of the orthosis is configured to fit over a plantar portion of the foot such that the orthosis permits plantarflexion of the foot.