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Hip replacement is a surgical procedure in which the hip joint is replaced by a prosthetic implant, that is, a hip prosthesis. [1] Hip replacement surgery can be performed as a total replacement or a hemi/semi (half) replacement. Such joint replacement orthopaedic surgery is generally conducted to relieve arthritis pain or in some hip fractures. A total hip replacement (total hip arthroplasty ...
An orthopedic implant is a medical device manufactured to replace a missing joint or bone, or to support a damaged bone. [1] The medical implant is mainly fabricated using stainless steel and titanium alloys for strength and the plastic coating that is done on it acts as an artificial cartilage. [2] The biodegradable metals in this category are magnesium-based [3] and iron-based alloys, though ...
Hip replacement surgery can be performed from three main directions, each with advantages and disadvantages The classical approach is the posterior, and requires dissection of the gluteus maximus and other large muscles of the back of the thigh to access the acetabulum. The anterior approach accesses the hip joint from the front, with less large muscle dissection but due to the proximity of ...
Internal fixation is an operation in orthopedics that involves the surgical implementation of implants for the purpose of repairing a bone, a concept that dates to the mid-nineteenth century and was made applicable for routine treatment in the mid-twentieth century. [1] [page needed] An internal fixator may be made of stainless steel, titanium alloy, [2] or cobalt-chrome alloy. [3] or plastics.
In medicine, a prosthesis ( pl.: prostheses; from Ancient Greek: πρόσθεσις, romanized : prósthesis, lit. 'addition, application, attachment'), [1] or a prosthetic implant, [2] [3] is an artificial device that replaces a missing body part, which may be lost through physical trauma, disease, or a condition present at birth ( congenital disorder ). Prostheses are intended to restore the ...
A major force in medical orthopedic devices, Zimmer Holdings' (ZMH) dominance in reconstructive implants such as hips and knees is attracting renewed investor attention. The fresh interest is due ...
Bone cements have been used very successfully to anchor artificial joints ( hip joints, knee joints, shoulder and elbow joints) for more than half a century. Artificial joints (referred to as prostheses) are anchored with bone cement. The bone cement fills the free space between the prosthesis and the bone and plays the important role of an elastic zone. This is necessary because the human hip ...
Carbon is the basic component of organic material and in certain configurations is extremely stable mechanically and chemically. In this pioneer collaboration between Rafael industry and scientists from the Technion, a carbon composite hip implant was constructed. The implant was created using carbon fibers and carbon matrix.
Cobalt-chrome disc with dental bridges and crowns manufactured using WorkNC Dental. Cobalt-chrome or cobalt-chromium ( CoCr) is a metal alloy of cobalt and chromium. Cobalt-chrome has a very high specific strength and is commonly used in gas turbines, dental implants, and orthopedic implants. [1]
An implant is a medical device manufactured to replace a missing biological structure, support a damaged biological structure, or enhance an existing biological structure. For example, an implant may be a rod, used to strengthen weak bones. [1] [2] Medical implants are human-made devices, in contrast to a transplant, which is a transplanted biomedical tissue. The surface of implants that ...