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Arthroplasty is a orthopaedic surgery procedure, in which the arthritic or dysfunctional joint surface is replaced with something better or by remodeling or realigning the joint by osteotomy or some other procedure. Previously, a popular form of arthroplasty was interpositional arthroplasty with interposition of some other tissue like skin, muscle or tendon to keep inflammatory surfaces apart or excisional arthroplasty in which the joint surface and bone was removed leaving scar tissue to fill in the gap. Other forms of arthroplasty include resection(al) arthroplasty, resurfacing arthroplasty, mold arthroplasty, cup arthroplasty, silicone replacement arthroplasty, etc. Osteotomy to restore or modify joint congruity is also an arthroplasty.
Arthrosurface inlay implant dramatically reduces progression of osteoarthritis

Arthrosurface inlay implant dramatically reduces progression of osteoarthritis

A recent study by Feucht et al, published in the KSSTA Knee Journal, compared the Arthrosurface HemiCAP Wave implant, which is based on an "inlay" Arthroplasty design, versus an "onlay" design implant for isolated patellofemoral disease. While both implant groups showed similar improvements in function and pain scores, none of the patients in the "inlay" group showed progression of osteoarthritis (OA). [More]
Total knee replacements can effectively treat degeneration caused by bone deformity

Total knee replacements can effectively treat degeneration caused by bone deformity

A first-of-its kind study has found that total knee replacements can effectively treat degeneration caused by a bone deformity called Blount disease. [More]
Imaging studies required to diagnose traumatic injuries in pregnant women can be safe when used properly

Imaging studies required to diagnose traumatic injuries in pregnant women can be safe when used properly

According to a new study in the Journal of the American Academy of Orthopaedic Surgeons (JAAOS), imaging studies necessary to diagnose traumatic injuries sustained by pregnant women are safe when used properly. [More]

Amedica’s four scientific presentations to highlight benefits of silicon nitride platform at ISTA

Amedica Corporation, an innovative biomaterial company which develops and manufactures silicon nitride as a platform for biomedical applications, is pleased to announce all four submissions to the International Society for Technology in Arthroplasty were accepted for presentation during the 28th annual congress occurring September 30 – October 3, 2015 in Vienna, Austria. [More]
Additional coaching education and practice contact restrictions can help lower football injuries

Additional coaching education and practice contact restrictions can help lower football injuries

Teaching coaches about injury prevention and contact restrictions pays off, say researchers who tracked injury rates among youth football players during the 2014 season. [More]
Results from Phase 3 study evaluating safety and efficacy of Zalviso published in Anesthesiology

Results from Phase 3 study evaluating safety and efficacy of Zalviso published in Anesthesiology

AcelRx Pharmaceuticals, Inc., a specialty pharmaceutical company focused on the development and commercialization of innovative therapies for the treatment of acute and breakthrough pain, today announced that results from the IAP311 study have been published in Anesthesiology. [More]
MSD announces EC approval of SIMPONI (golimumab) for treatment of adult patients with nr-axial SpA

MSD announces EC approval of SIMPONI (golimumab) for treatment of adult patients with nr-axial SpA

MSD (Merck & Co., Inc., Kenilworth, New Jersey, USA) today announced that on 22 June the European Commission approved SIMPONI (golimumab) for the treatment of adult patients with severe, active non-radiographic axial spondyloarthritis (nr-axial SpA). [More]
Researchers design new model to identify promising candidates for total hip replacement surgery

Researchers design new model to identify promising candidates for total hip replacement surgery

Researchers at Sahlgrenska Academy have designed a new model to help doctors and patients decide whether or not to proceed with total hip replacement surgery. The researchers have also surveyed patient wellbeing after surgery: patients with high education achieve greater outcome scores, while those with antidepressant prescriptions do not. [More]

First FDA-approved modular system for infected total joints

OsteoRemedies®, LLC, Memphis, TN, offers the first FDA-approved modular system for two-stage revision of infected hip and knee arthroplasty. [More]
Moirai Orthopaedics receives FDA approval for IDE application to initiate clinical study of PIR System

Moirai Orthopaedics receives FDA approval for IDE application to initiate clinical study of PIR System

Moirai Orthopaedics, L.L.C., an orthopaedic implant development company based in Metairie, Louisiana, is pleased to announce it has received approval from the US Food and Drug Administration for its Investigational Device Exemption (IDE) application to initiate clinical study of the company's Pyrocarbon Implant Replacement (PIR) System. [More]
Penn surgeons develop new tools to identify joint replacement patients at risk for serious complications

Penn surgeons develop new tools to identify joint replacement patients at risk for serious complications

Orthopedic surgeons from the Perelman School of Medicine at the University of Pennsylvania have developed two new prediction tools aimed at identifying total hip and knee replacement patients who are at-risk of developing serious complications after surgery. [More]
Bariatric surgery prior to joint replacement improves outcomes in obese patients

Bariatric surgery prior to joint replacement improves outcomes in obese patients

Obesity is not only a risk factor for developing knee and hip arthritis. It is also linked to less favorable outcomes after joint replacement surgery. [More]
Study identifies common causes of hospital readmissions following joint replacements procedures

Study identifies common causes of hospital readmissions following joint replacements procedures

A new study from researchers at NYU Langone's Hospital for Joint Diseases identifies common causes of hospital readmissions following total hip and knee arthoplasty procedures. [More]
Data demonstrates benefits associated with use of EXPAREL in hip, knee replacement patients

Data demonstrates benefits associated with use of EXPAREL in hip, knee replacement patients

Pacira Pharmaceuticals, Inc. today announced data demonstrating the benefits associated with the use of EXPAREL (bupivacaine liposome injectable suspension) in a study of over 2,200 hip and knee replacement patients. [More]
Women who undergo total joint replacement surgery less likely to have complications compared to men

Women who undergo total joint replacement surgery less likely to have complications compared to men

While women may have their first total joint replacement (TJR) at an older age, they are less likely to have complications related to their surgery or require revision surgery, according to a new study presented today at the 2015 Annual Meeting of the American Academy of Orthopaedic Surgeons. [More]
Zimmer celebrates significant testing milestone for Vivacit-E Vitamin E Technology

Zimmer celebrates significant testing milestone for Vivacit-E Vitamin E Technology

Zimmer Holdings, Inc. is highlighting its Vivacit-E Advanced Bearing Technology with Vitamin E by celebrating a significant testing milestone. [More]
Hip replacement procedure alleviates pain, improves function in young JIA patients

Hip replacement procedure alleviates pain, improves function in young JIA patients

Hip replacement is often performed in patients with juvenile arthritis when their joints have been severely damaged by the disease. [More]

Patients who undergo THR may safely drive by 2 weeks after surgery

Thanks to improved surgical, pain management and rehabilitation procedures, patients who undergo a total hip replacement (THR) may be able to safely drive as early as two weeks following surgery, according to new research presented today at the 2015 Annual Meeting of the American Academy of Orthopaedic Surgeons (AAOS). [More]

OrthoSensor raises $19 million in Series C Preferred Stock financing

OrthoSensor, Inc., the leader in Sensor-Assisted Surgery, announced today that it has raised $19 million in a private placement of Series C Preferred Stock. Bridger Healthcare, Ltd. and The Tullis Growth Fund, L.P. participated in the round. The proceeds will be used to drive the commercialization of VERASENSE, OrthoSensor's leading product, and expand product development activities. [More]
Amedica Submits 510(k) Application to FDA for Composite Spinal Interbody Spacers with Porous Silicon Nitride Center

Amedica Submits 510(k) Application to FDA for Composite Spinal Interbody Spacers with Porous Silicon Nitride Center

Amedica announced today that it has filed a submission for 510(k) clearance of the Valeo C Interbody with CsC Osteo-Conductive Scaffolding (“Valeo CCsC”) with the U.S. Food and Drug Administration (“FDA”) relating to its composite silicon nitride spinal interbody devices. [More]
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