| CPC A61B 17/62 (2013.01) [A61B 17/66 (2013.01); A61B 34/10 (2016.02); G06F 3/04847 (2013.01); G16H 20/40 (2018.01); G16H 30/40 (2018.01); G16H 40/63 (2018.01); A61B 2034/105 (2016.02); A61B 2034/108 (2016.02)] | 4 Claims |

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1. An apparatus for external placement of a bone of a limb using an adjustable strut, comprising:
a circular platform having an open center adapted and configured for placement therethrough of a limb, the open center having an inner diameter, said circular platform having an outer circumferential surface spaced apart from the inner diameter, said circular platform having a top surface and a bottom surface, said circular platform having a width extending between said top surface and said bottom surface and located between the inner diameter and the outer circumferential surface, said circular platform including a plurality of holes each adapted and configured for attachment to an end of an adjustable strut, each of the holes extending through the width, said circular platform including a plurality of slots each adapted and configured for attachment to an end of an adjustable strut, each of the slots extending through the width, the plurality of holes being located along a first diameter greater than the inner diameter, and the plurality of slots being located along a second diameter greater than the first diameter;
three separable position markers located on said circular platform and supported at different respective positions spaced apart along said circular platform, at least one of said position markers located on a different diameter of said circular platform than said two other position markers; and
a computer including a computer screen and being adapted and configured to:
extract position data from at least two x-rays or other orthopedically significant images of said circular platform,
create a representation of the x-rays or images on said computer screen based on said position data,
calculate an adjustment to a relative placement of said circular platform based on said position data, and
display on said computer screen adjustment data pertaining to said adjustment.
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