Glenoid implants are mainly used for hemiarthroplasty. Hemiarthroplasty involves replacing just the joint surface of the humeral head with a cap-like prosthesis without a stem. In shoulder replacement surgery, the damaged parts of the shoulder are removed and replaced with artificial components, called a prosthesis. The treatment options are either replacement of just the head of the humerus bone (ball), or replacement of both the ball and the socket called Glenoid. Implanting the glenoid in a proper orientation is essential for long-term stability of the prosthesis. A malpositioned glenoid may have compromised fixation due to inadequate bony support or incomplete implant seating and may be subjected to increased torques on the fixation surface. The other causes for Glenoid implants are Osteoarthritis, Rheumatoid Arthritis, degenerative arthritis, Rotator Cuff Tear Arthroplasty, Avascular Necrosis, and Severe Fractures etc. According to the Agency for Healthcare Research and Quality, about 53,000 people in the U.S. have shoulder replacement surgery each year. Implantation of a glenoid component is not advised if the glenoid has good cartilage, the glenoid bone is severely deficient, and the rotator cuff tendons are irreparably torn. Glenoid Implants are available in different size, such as small, medium, large and XL. Glenoid involvement in degenerative arthritis varies depends on the type of arthritic process affecting the glenohumeral. For Instance, inflammatory arthritis is associated with central glenoid erosion. The extent and location of glenoid wear should be assessed preoperatively with axillary radiographs, axial CT scans and through the glenohumeral joint, or 3D CT reconstructions.
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Achieving long-term fixation of the glenoid is a primary goal in total shoulder arthroplasty. Several methods of fixation have been attempted, including cemented, noncemented, and hybrid or minimally cemented devices. Cemented pegged and keeled components are used most commonly and are provide the most predictable fixation. Noncemented glenoids rely upon mechanical interlock and biologic integration, typically by screw fixation or a combination of screw or press-fit pegs, or both, to achieve an initial fixation that facilitates long-term bone in-growth/on-growth. According to center of disease control and prevention the prevalence of diagnosed arthritis is expected to increase among US population in the coming decades. By the year 2040, an estimated 78 million adults aged 18 years and older will have diagnosed with arthritis, compared with the 52.5 million adults in 2010-2012.
Glenoid Implant System Market: Drivers and Restraints
Factors such as Growing prevalence of symptomatic shoulder arthritis, increased patient awareness, technological advancement and expanded medical education and surgeon adoption of total shoulder replacement will fuel the overall glenoid implant market globally. According to National Health Interview Survey, 22.7 million (9.8% of all adults) have arthritis and arthritis-attributable activity limitation. Factors such as glenoid component loosening, pricing pressure, improper handling of implants are the factors will hinder the total glenoid implant market globally. Glenoid loosening is associated with increased pain, decreased shoulder function, and the need for revision surgery.
Glenoid Implant Systems Market: Regional Overview
Geographically, the global glenoid implant systems market is classified into regions namely, North America, Latin America, Western Europe, Eastern Europe, Asia-Pacific, Japan, Middle East and Africa. North America dominates the glenoid implant systems market due to rising obese population. North America is followed by Europe and Asia Pacific. Asia Pacific is expected to grow at a highest rate due to fast disease progression, higher prevalence, improving healthcare infrastructure, economic growth, broadening insurance coverage, expanding private healthcare sector, and increasing awareness amongst people. Glenoid Implant device markets experienced a slowdown in 2012 in Japan, caused by reimbursement protocols instituted by the Japanese government.
Glenoid implant Systems Market: Key Players
Some of the major players operating in the market for global Glenoid implant are Smith & Nephew, Stryker, Zimmer, Tornier, Inc., Biomet, Exactech, Lima Corporate, Arthrex, Inc., Integra LifeSciences, DePuy Synthes, while there are a range of other smaller players as well. DePuy Synthes and Tornier represent more than half of the total market size due to its most diversified and innovated portfolios. DePuy and Tornier are expected to be the leading players in the arena for another five years
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