Total Hip Arthroplasty (THA) Competency Practice Exam

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Must the black line on the impactor shaft be visible prior to impaction?

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The visibility of the black line on the impactor shaft prior to impaction is significant in the context of Total Hip Arthroplasty (THA) procedures. This black line serves as a visual indicator to ensure proper alignment and insertion of the acetabular component during the surgery.

When the black line is visible, it confirms that the impactor is positioned correctly and that the acetabular component is at the appropriate depth. Proper alignment is crucial for the stability and longevity of the hip implant, as misalignment can lead to increased wear, biomechanical failure, or dislocation of the joint. Therefore, confirming the visibility of the black line before impaction is a critical step in the procedure to promote optimal surgical outcomes.

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