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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Twelve patients were lost to follow-up—six patients did not attend the follow-up clinics, four patients died within the first year after surgery of causes unrelated to the operative procedure and two patients withdrew consent.

Please refer to the other divisions of this site for specific procedures.

Acknowledgments Conflict of interest This study has been sponsored by DePuy International who have provided resources to cover the sgma costs of conducting the research over and above standard clinical practice as well as statistical support.

This article has been cited by other drpuy in PMC. All implants were posterior stabilised, cemented and the patella was resurfaced in all cases. A clinical assessment was carried out preoperatively and at a minimum of one year after surgery. Click here to visit http: Registration gives you full access to all of the features of WhichMedicalDevice.


However, in the fixed-bearing group metal-backed as well as all-polyethylene tibial components were used. All inquiries can be submitted by email to: Questionnaire on the perceptions of patients about total knee replacement. Find out more here. The Knee Society total knee arthroplasty roentgenographic evaluation and scoring system.

SIGMA® Total Knee System | DePuy Synthes Companies

None of these studies showed a statistically significant difference between the mobile and fixed bearing, but the use of different types and designs of implants may have affected the clinical outcome as has previously been acknowledged by Biau et al.

Statistical analysis was performed with the use of SAS software v9. This left patients for analysis. The most recent randomised controlled trial by Higuchi et al. In recent years a number of studies have investigated the functional outcome of the PFC Sigma fixed-bearing and PFC Sigma rotating-platform total knee replacement systems [ 12 — 17 ].

Depuy | PFC Sigma Knee System | Which Medical Device

Based upon the clinically proven P. 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 posterior cruciate ligament PCL was retained in all cases. In all patients a posterior-stabilised implant was used and the patella resurfaced. It has also been suggested that mobile bearings minimise stress at the tibial bone—prosthesis interface [ 3 ].

A multicentre single-blind randomised controlled trial.

If you are a patient, click here. The patella was not resurfaced. Available in posterior cruciate retaining or posterior stabilized femoral component designs, and fixed and mobile-bearing tibial component designs, this knee system is designed to provide surgical solutions for a variety of clinical indications.


In these studies a variety of knee replacements have been used, but often prostheses of different design and different manufacturers were compared with each other [ 6 — 10 ]. Please direct all other requests to one of the other DePuy Synthes Companies signa career inquiries email addresses cepuy on this page.

At a mean follow-up of Data were analysed on an intention-to-treat analysis. All prostheses were cemented. If you would like to report a potential cybersecurity vulnerability in any of our products, please refer to our Responsible Disclosure Reporting website. Registration is free and gives you unlimited access to all of sigja content and features of Which Medical Device.

In two of these studies [ 1516 ] the patella was routinely resurfaced; in the third study the resurfacing status of the patella was not reported. Please refer to the package insert and other labeling for a complete list of indications, contraindications, precautions and warnings. It has recently been shown by Cheng et al.