DEPUY PFC SIGMA PDF

SIGMA® Primary Knee System Balanced Surgical Technique DePuy Synthes Joint Reconstruction 2 DePuy Synthes Joint Reconstruction SIGMA® Primary Knee System Balanced Surgical Technique PFC Chamfer Guides Size Product, DePuy P.F.C. Sigma Knee System, Non-Porous Cruciate Retaining Femoral Component, 73 mm M/L 69 mm A/P, 5 left, sterile, DePuy Orthopaedics, . Functional outcome of PFC Sigma fixed and rotating-platform total knee . system (PFC Sigma or PFC Sigma RP, DePuy, Warsaw, Indiana).

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We also did not encounter isgma bearing dislocations, which has been described as a potential complication of mobile-bearing implants in other studies [ 2627 ].

Depuy | PFC Sigma Knee System | Which Medical Device

Cementing Guidance for TKR. Two-year follow-up on joint stability and muscular function comparing rotating versus fixed bearing TKR. CD [ PubMed ]. We ask that our members register with us so that we can maintain the unbiased and independent nature of our content. This study shows that there is no statistically significant difference in functional outcome between the two types of implants at short-term follow-up. Simultaneous mobile- and fixed-bearing total knee replacement in the same patients.

Support Center Support Center. Deluy Mobile bearings in total knee arthroplasty have been developed with the aim to better reproduce the complex function and kinematics of the knee joint [ 1 ]. The most recent randomised controlled trial by Higuchi et al. Difficulties with bearing dislocation and breakage using a movable bearing total knee replacement system.

However, in the fixed-bearing group metal-backed as well as all-polyethylene tibial components were used. Results One hundred twenty patients were recruited for this study. SIGMA is designed to address implant longevity by maximizing femoro-tibial contact area, minimizing peak contact stresses while employing state-of-the-art polyethylene sterilization and packaging.

This left patients for analysis. Statistical analysis Statistical analysis was performed with the use of SAS software v9. All inquiries can be submitted by email to: Allows for either rotating platform or fixed bearing tibial constructs Only company to provide rotating platform in the revision constraint varus valgus constraint level.

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Keep up to date Subscribe to our newsletter. Simulator studies have shown that this significantly lowers the wear rate compared to standard fixed-bearing knee replacements [ 2 ]. All patients received a PCL retaining prosthesis which was implanted using a pfd technique. This is intended to substitute for sigka PCL without using a posterior stabilised component.

Registration is free and gives you unlimited access to all of the content and features of this website. One hundred twenty patients were recruited for this study. The Cochrane Review [ 11 ] highlighted that there were only few comparative studies with acceptable methodological quality [ 45 ].

A multicentre single-blind randomised controlled trial. Weight-bearing radiographs, anterior-posterior and lateral of the knee, were taken immediately postoperatively and at the follow-up assessment.

It has also been suggested that mobile bearings minimise stress at the tibial bone—prosthesis interface [ 3 ]. At a mean follow-up of The study population, however, was derived from an Asian population with a comparably low mean height and weight.

In the titanium tibial base plate was changed to a highly polished cobalt chrome version. The operation was carried out through a midline incision using a medial parapatellar approach. All implants were cemented.

Rationale of the Knee Society clinical rating system. Indus HiFlex Knee Manufacturer: Abstract The aim of this study was to determine whether there sugma a difference in functional outcome between the PFC Sigma fixed-bearing and rotating-platform total knee replacement systems. Total Knee System introduced inP.

You can fepuy our Privacy Policy here. Conflict of interest This study has been sponsored by DePuy International who have provided resources to cover the additional costs of conducting the research over and above standard clinical practice depy well as statistical support. Articles from International Orthopaedics are provided here courtesy of Springer-Verlag.

Additionally surgeons are able to address bone and soft tissue defects with a variety of products including augments, wedges, stems, and metaphyseal sleeves. All prostheses were cemented. Only three of these are randomised controlled trials [ 15 — 17 ]. In two of these studies [ 1516 ] the patella was routinely resurfaced; in the third study the resurfacing status of the patella was not reported.

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SIGMA® Total Knee System | DePuy Synthes Companies

TKA is indicated for: Based on the clinically successful P. No statistically significant difference in any of the outcome scores was found between the groups at a mean follow-up of 5. Patients were included if they were suitable for treatment with either a fixed- or mobile-bearing knee replacement system and had given written informed consent.

The strengths of this study include its design deluy a randomised controlled trial with adequate power. Various studies have been published comparing mobile- and fixed-bearing knee replacements [ 4 — 10 ], but often different types and designs of sivma were compared.

The aim of this study was to determine whether there is a difference in functional outcome between the PFC Sigma fixed-bearing and rotating-platform total knee replacement systems. The PCL was retained and the patella resurfaced in all patients. Mobile versus fixed-bearing total knee arthroplasty: The content on this page is intended for Healthcare Professionals.

The Knee Society total knee arthroplasty roentgenographic evaluation and scoring system. Our randomised controlled trial of patients who underwent unilateral knee replacement for osteoarthritis showed no statistically significant difference in functional outcome and survivorship between the mobile-bearing and rotating-platform in the PFC Sigma total knee replacement at a mean of All operating surgeons were experienced in the use of the PFC Sigma knee system and its instrumentation.