What happens when your 2018 Zimmer knee fall apart

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3 Answers

These messages are for mutual support and information sharing only. Always consult your doctor before trying anything you read here.
“Fall apart”, do you mean loosen?

When the prosthesis becomes loose, you may experience pain, change in alignment, or instability. Aseptic loosening is the most common mode of failure of knee implants. If you are feeling pain, a repeated surgery may be an option. Usually 1 percent of people need a repeated surgery in 1 year, and about 10 percent of people need a repeated surgery in 10 years. If you're active and over weighted, the chance of loosening is higher.

Although in the joint replacement surgery, implants are firmly fixed, they may become loose over time. Friction caused by the joint surfaces rubbing against each other wears away the surfaces of the implant, creating tiny particles that accumulate around the joint. In a process called aseptic (non-infected) loosening, the bond of the implant to the bone is destroyed by the body's attempt to digest the wear particles. During this process, normal bone is also digested (a condition called osteolysis), which can weaken or even fracture the bone.
Watch out the recall. If your type is recalled sometime this year or next year, you might file a lawsuit. I've seen a lot of lawsuits to Zimmer.
See the doctor who performed your surgery.

Have you do follow-up recently? why do you think your knees fell apart? Do you have any symptom?