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On the day of surgery, a small tube (intravenous line) will be inserted into your arm. This tube will be used to administer antibiotics and other medication during your surgery. You will then be taken to the operating room and given anesthesia. After the anesthesia takes effect, your knee will be scrubbed and sterilized with a special solution.

The surgery will begin with an incision over the knee that will expose the joint. When the bones are fully visible to the surgeon, special, precision guides and instruments are used to remove the damaged surfaces and shape the ends of the bones to accept the implants.

The implants are then secured to the bones. It might also be necessary to adjust the ligaments that surround the knee in order to achieve the best possible knee function. When the surgeon is satisfied with the fit and function of the implants, the incision will be closed.

A special drain may be inserted into the wound to drain the fluids that naturally develop at the surgical site. A sterile bandage will then be applied, and you will be taken to the recovery room, where you will be closely monitored. Your surgery will likely take between one and three hours, depending on your individual circumstances.

As your anesthesia wears off, you will slowly regain consciousness. A nurse will be with you, and may encourage you to cough or breath deeply to help clear your lungs. You will also be given pain medication. When you are fully awake, you will be taken to your hospital room. Your knee will remain swollen and tender for a few days.

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How do I prepare for knee replacement surgery?

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Generally, implant systems are affixed to the body in one of three ways:

1. Cemented with bone cement
2. Cementless (biologic ingrowth)
3. Combination of 1 & 2

• Bone Cement
  
  A special type of acrylic bone cement may be used to secure some or all of the implant components to the bone. If used, the bone cement takes about 15 minutes to set.
• Cementless

  In other cases, the implants may be implanted into the bone without cement. These components have a special porous coating that allows tissue to grow into it for fixation.

• Combination

  In some cases, your surgeon may choose a combination of cement and cementless attachment, depending upon the implant components and the condition of the bone around the knee joint.

The decision as to whether to use a cemented or cementless component depends upon many factors, including the intended use of the product, surgeon philosophy and the patient’s condition

asked by Yesu Jeevan

Knee replacement surgery is recognized as a miracle of modern surgery. Most orthopedic experts consider replacement to be the best method of handling arthritis in the knee. Knee replacements have literally put hundreds of thousands of Americans back on their feet and allowed them to enjoy their golden years.