Patient Information Resources


Alpine Physical Therapy
Three Locations
In North, South, and Downtown Missoula
Missoula, MT 59804
Ph: 406-251-2323
Fax: 406-251-2999
Info@AlpinePTmissoula.com






Ankle
Child Orthopedics
Elbow
Foot
General
Hand
Hip
Knee
Pain Management
Shoulder
Spine - Cervical
Spine - General
Spine - Lumbar
Spine - Thoracic
Wrist

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My doctor tells me my new knee replacement will last about 10 to 15 years. So what happens exactly? Does it just stop working after 10 years? Is there some kind of microchip inside that tells it when 10 years has gone by?

The 10 to 15 year time period associated with joint implants is based on the law of averages. Using long-term studies of patients, researchers have been able to report the ranges of time that joint replacements have lasted.

We've discovered from these studies that it's not really a function of time. It all depends on the amount of use that occurs. The more physically active you are, the short the life of your implant.

There's no internal mechanism keeping track of the number of steps you've taken. No microchip to signal the end. It's just a gradual process of wear and tear. The plastic components start to get thin. The metal portions may shed tiny particles that build up inside the joint causing damage.

The first signs of problems developing may be knee pain or joint clicking. See your doctor early on before the symptoms get worse. In some cases, it's possible to revise the joint without replacing the whole thing.


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