Ortho Preferred Malpractice Insurance

TKR: Deep Exposure

      – Discussion:      – need to reflect capsule medially & laterally from upper 1 cm of proximal tibia;     – performed circumferentially using either elevator or osteotome;     – this capsular reflection relieves minor contractures and provides access for retractors to protect the posterior structures;      – any rim osteophytes from the … Read more

TKR: Femoral Component

– See:      – TKR Menu      – Distal Femoral Resection       – Femoral IM Alignment Rod       – Distal Femoral Sizing Guide (and Rotational Alignment)      – Anterior, Posterior, and Chamfer Cuts       – Femoral Component Notching – Design Considerations:      – PCL Retaining Prosthesis      – Posterior Stabilized Prosthesis      – left & … Read more

TKR Femoral Cuts: Anterior, Posterior, Chamfer Cuts

– Theoretical Considerations:     – distance from posterior reesction plane to anterior resection plane must equal the internal dimension of femoral component being used;            – this cut must be made at a distance from the anterior cut equal to inner anterior-posterior dimension of femoral component used;       … Read more

TKR: Flexion Gap

– Definition:     – see instability following TKR     – is space between the posterior coronal cut on the distal femur & transverse cut on proximal tibia, while knee is in flexion;     – effect of resection of PCL (see posterior stabilized prosthesis);     – in report by Kadoya, et al, effect of PCL resection … Read more

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