The OSSIOfiber® Trimmable Fixation Nails are indicated for maintenance of alignment and fixation of bone fractures, osteotomies, arthrodesis and bone grafts in the presence of appropriate additional immobilization (e.g., rigid fixation implants, cast, brace). The hypothesis is that the use of OSSIOfiber® Trimmable Fixation Nails for treating subchondral insufficiency of the knee will result in improvement of patient-reported outcomes and imaging findings. The primary objective of this study is to evaluate the effectiveness of implanting bio-integrative OSSIOfiber® Trimmable Fixation Nails, organized in a bi-cortical rafter formation within the tibia or femur for the management of subchondral insufficiency. This use is not considered off-label because the TFNs are being used in the way they are intended to be used via FDA approval.
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Knee injury and Osteoarthritis Outcome Score (KOOS)
Timeframe: 3 months post-operatively
Knee injury and Osteoarthritis Outcome Scale Score (KOOS)
Timeframe: 6 months post-operatively