The posterior-stabilized knee—No post required

Abstract The goal of total knee arthroplasty is to provide the patient with a stable, painless knee. The modern total joint orthopedist has many options to help achieve stability through cruciate-retaining and posterior-stabilized implants. Over the lifespan of the implant eventual posterior cruciat...

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Bibliographic Details
Published in:Seminars in arthroplasty 2015-06, Vol.26 (2), p.65-67
Main Authors: Dahl, Brian P., MD, FAWM, Hofmann, Aaron A., MD
Format: Article
Language:English
Subjects:
Cruciate substituting
Orthopedics
TKA
Total knee arthroplasty
Ultracongruent
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Summary:Abstract The goal of total knee arthroplasty is to provide the patient with a stable, painless knee. The modern total joint orthopedist has many options to help achieve stability through cruciate-retaining and posterior-stabilized implants. Over the lifespan of the implant eventual posterior cruciate ligament instability can make an otherwise well-functioning cruciate-retaining implant fail. The drawback of many posterior-stabilized implants include the need for more bone resection and the noisy clunk of the polyethylene post contacting the femoral component. The use of an ultracongruent polyethylene liner is an effective way to achieve stability with a cruciate sacrificing method.
ISSN:1045-4527
1558-4437
DOI:10.1053/j.sart.2015.08.007