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Frequently Asked Questions


The following are some frequently asked questions by joint replacement patients. They are the most common, but if you have any additional questions, please contact one of our staff at the Nebraska Joint Replacement Center at (308) 865-7170 or 1-877-632-2225.

1. Will I be able to tell that I have a joint prosthesis and will it weigh a lot?
The answer to both questions is no. The prosthesis used in joint replacements weighs just slightly more than the bone and you will not able to tell the difference. It can be compared to a filling in a tooth. Once it's put in, you can't tell it's there.

2. What is a joint replacement prosthesis made of?
Joint prostheses are made of titanium, cobalt chrome steel and high-density polyethylene. The only uses for this particular density of polyethylene are for total joint replacements and for use in the NASA space program.

3. Once I have a joint replacement surgery, will I set off the metal detector alarm in an airport?
The truth is, if you are very thin you may set off the metal detector in an airport. When you have a joint replacement at the Nebraska Joint Replacement Center, you are provided an official card to carry with you stating that you have had a joint replacement procedure. This can be used in the event of an incident at the airport, for example to clear up any confusion that may arise.

4. How long will my prosthesis last?
Under normal use, your hip or knee prosthesis should last 15 to 18 years.

5. What limitations will I have with a joint replacement?
Limitations vary with each individual patient, but you will be advised as to what positions will be most comfortable for you, and what positions you should avoid. There are two general guidelines to follow in terms of limitations:
  • Let pain be your guide. If something you do feels uncomfortable, don't do it.
  • Use good judgment. If you think that something you might do could cause a problem, use your best judgment and do what feels right.
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