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When do we need constrained condylar knee joint prosthesis?

Jul. 27, 2020

When do we need constrained condylar knee joint prosthesis?

 

Constrained condylar knee joint prosthesis (CCK) is a kind of artificial joint used for severe deformity and complex disease of knee joint.

When do we need constrained condylar knee joint prosthesis?

Specifically, it can be used in the following two situations:

1. If the deformity of knee joint is serious, valgus or varus fixation deformity is more than 20 degrees, and flexion contracture is more than 30 degrees, CCK can be used for the primary total knee arthroplasty.

Used for revision knee arthroplasty.

When do we need constrained condylar knee joint prosthesis?

2. Used for revision total knee arthroplasty.

When do we need constrained condylar knee joint prosthesis?

Case 1: Severe knee varus, primary total knee arthroplasty

Preoperative:

When do we need constrained condylar knee joint prosthesis?

Postoperative:

When do we need constrained condylar knee joint prosthesis?

Case 2: Severe knee valgus, primary total knee arthroplasty

Preoperative:

When do we need constrained condylar knee joint prosthesis?

Severe bone defect :

When do we need constrained condylar knee joint prosthesis?

Postoperative:

When do we need constrained condylar knee joint prosthesis?


Case 3: Tibial tray fracture, revision knee arthroplasty

Preoperative:

When do we need constrained condylar knee joint prosthesis?

Remove the broken prosthesis:

When do we need constrained condylar knee joint prosthesis?

Postoperative:

When do we need constrained condylar knee joint prosthesis?


Case 4: Prosthesis sinking and loosening, revision knee arthroplasty

Preoperative:

When do we need constrained condylar knee joint prosthesis?

Remove the old prosthesis:

When do we need constrained condylar knee joint prosthesis?

Postoperative:

When do we need constrained condylar knee joint prosthesis?