US 11,925,572 B2
Lower leg orthotic brace
Matthew John Prihoda, Washington, IA (US); John Ray Mitchell, Danville, IA (US); Andy Michael Smith, Danville, IA (US); Marcus William Powell, New London, IA (US); and Shawn Edward Twyman, Mt. Pleasant, IA (US)
Assigned to DOXA MEDICAL, LLC, Washington, IA (US)
Filed by DOXA Medical, LLC, Washington, IA (US)
Filed on Jan. 8, 2021, as Appl. No. 17/144,768.
Claims priority of provisional application 62/958,372, filed on Jan. 8, 2020.
Prior Publication US 2021/0205114 A1, Jul. 8, 2021
Int. Cl. A61F 5/058 (2006.01); A61F 5/01 (2006.01)
CPC A61F 5/0585 (2013.01) [A61F 5/0111 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A custom foot orthotic comprising:
a foot support that is custom fit to a user's foot, the foot support comprising:
a thermoplastic outer shell;
a closed cell foam liner within the thermoplastic outer shell; and
a tongue having a leg facing edge, a bottom edge, a lateral side edge and a medial side edge and wherein the tongue has a lateral side receiving channel proximate the lateral side edge of the tongue and wherein the lateral side receiving channel extends from a lateral side proximal end opening proximate the leg facing edge of the tongue to a lateral side distal end opening distal from the lateral side proximal end opening and a medial side receiving channel proximate the medial side edge of the tongue and wherein the medial side receiving channel extends from a medial side proximal end opening proximate the leg facing edge of the tongue to a medial side distal end opening distal from the medial side proximal end opening;
a lower leg support that is custom fit to a user's lower leg, the lower leg support comprising;
a thermoplastic outer shell;
a closed cell foam liner within the thermoplastic outer shell; and
a strap to secure the user's leg within the lower leg support;
a cinching mechanism comprising:
a rotatable tightening knob disposed on the lower leg support; and
a tightening cable coupled to the rotatable tightening knob; and
a plurality of channels within the lower leg support and a plurality of channels within the foot support; and
wherein the tightening cable is routed through the plurality of channels within the lower leg support, the plurality of channels in the foot support, the lateral side receiving channel and the medial side receiving channel and the tightening cable of the cinching mechanism shortens and elongates in response to movement of the rotatable tightening knob and wherein the tightening cable is not configured to pass over a bridge of the user's foot.