US 12,226,334 B2
Heel float therapeutic footwear
William D. Davis, Denver, CO (US); and Ian P. MacDonald, Denver, CO (US)
Assigned to Osborn Medical Corp., Centennial, CO (US)
Filed by Osborn Medical Corp., Centennial, CO (US)
Filed on Dec. 12, 2023, as Appl. No. 18/536,891.
Application 18/536,891 is a continuation of application No. 17/681,463, filed on Feb. 25, 2022, granted, now 11,883,313.
Application 17/681,463 is a continuation of application No. 16/743,087, filed on Jan. 15, 2020, granted, now 11,285,030, issued on Mar. 29, 2022.
Application 16/743,087 is a continuation of application No. 15/271,459, filed on Sep. 21, 2016, granted, now 10,575,978, issued on Mar. 3, 2020.
Application 15/271,459 is a continuation of application No. 13/622,829, filed on Sep. 19, 2012, granted, now 9,615,958, issued on Apr. 11, 2017.
Prior Publication US 2024/0207081 A1, Jun. 27, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. A61F 5/01 (2006.01); A61F 5/058 (2006.01); A61F 5/37 (2006.01); A61F 13/06 (2006.01)
CPC A61F 5/0111 (2013.01) [A61F 5/0585 (2013.01); A61F 5/37 (2013.01); A61F 13/064 (2013.01); A61F 5/019 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of making a therapeutic footwear apparatus, the method comprising:
forming a lower leg support portion by laminating at least a portion of a first plurality of layers, the first plurality of layers including a fleece material, a heel float cradle, and an exterior fabric, the heel float cradle configured to elevate a heel inside an interior region of the lower leg support portion to reduce pressure on the heel, the heel float cradle being made of foam; and
forming a foot support portion extending from the lower leg support portion by laminating at least a portion of a second plurality of layers, the second plurality of layers including at least the fleece material, a foot support platform made of foam, and the exterior fabric, wherein the foot support portion is formed to extend from the lower leg support portion forming a hinge at the interior region where the heel is configured to be elevated.