Knee Implants Market - Global Industry Insights, Trends,
Size, Share, Outlook, and Opportunity Analysis, 2018-
2026
Knee implantation is a surgical procedure involving the replacement of the damaged bone and
cartilage of the knee with artificial implants to recreate the surface of the joint. Knee implant
components are generally made up of ceramic materials, metal alloys, or strong plastic parts.
The surgery carried out for knee implantation is known as arthroplasty. The four main types of
arthroplasty are kneecap replacement, partial knee replacement, complex knee replacement, and
total knee replacement.
Total knee replacement involves the replacement of the surface of the thigh bone and the shin
connected to the knee. Partial knee replacement or uni-compartmental knee replacement, can be
performed through a small cut were one side of the knee is affected. Various types of fixation
are used in knee implantation to connect knee implants to the bone, these include hybrid
fixation, cementless fixation and cemented fixation. In cemented fixation the implants are held
in place with a fast curing bone cement such as polymethylmethacrylate. While, in cementless
fixation, the implants are press-fit on to the bone so as to augment new bone growth.
According to the Centers of Medicare and Medicaid Services (CMS) around, 10 percent of knee
replacement surgeries in the U.S. are partial knee replacements. Generally, patients who have
undergone the partial knee replacement have osteoarthritis in one compartment of their knee.
In kneecap replacement only the under surface of the knee is replaced and it is a small joint
replacement procedure.
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Furthermore, as per National Joint Registry, around 160,000 knee replacement procedures are
performed as well as equal number knee joints are replaced, each year in England and Wales.
Also, as per Organization for Economic Co-operation and Development (OECD), in the U.S., 226
per 1000 population knee replacement surgery were performed in 2013.