Jiangsu Prosthesis Sterilized Package Hip Replacement Orthopedic Artificial Hip Joint Implant

The femoral stem is the portion of the replacement that fits into your thigh bone. Historically, this is made from titanium and/or cobalt-chromium metals. In the modern era of hip replacements, cemented stems (inserted with a surgical bone cement) are composed of cobalt-chromium metals. Cementless stems (implants in which your bone grows into the metal) are routinely made of titanium. Both designs have had excellent long-term results as part of total hip replacement systems.

Both titanium and cobalt-chromium implants are considered highly biocompatible-meaning they are well tolerated by the human body with low risk of adverse reactions. In fact, both materials have been shown to be highly effective in being stable in the bone.

The top end of the femoral stem (called the trunnion) is specially shaped to hold the new ball of the artificial joint. Regardless of the material (ceramic or cobalt/chrome) that the ball is made out of, this is where the head and stem fit together.