Revolutionize Knee Care (Ligament care) with Precision Arthrometers - Save Time and Healthcare Costs

This webpage introduces the GNRB and Dyneelax arthrometers as cost-effective, sensitive alternatives to MRI for detecting partial ACL ruptures, aimed at reducing healthcare costs and improving patient knee care.


Introduction: Knee Care Optimization

In the quest for agility and mobility, our knees bear the brunt of the pressure. Every twist, turn, and sprint hinges on the health of the anterior cruciate ligament (ACL), making it one of the most vulnerable points in our anatomy. In France, over a million MRI scans are conducted annually to diagnose knee ligament injuries, leading to a crucial juncture for patients and doctors alike—identifying the right path to recovery, which in serious cases, may point to surgery. Yet, the journey to this decision is fraught with challenges.

Traditional MRI has long been the gold standard for diagnosing ACL injuries—offering a glimpse into the intricate structures of the knee to determine the best course of treatment. However, the clarity comes at a cost, both in terms of time and healthcare expenses, with MRI test prices ranging between €350 to €1500 across various regions around the globe. With the French healthcare system shouldering up to €500 per scan, the economic strain is palpable.

Enter the new era of knee care—our cutting-edge arthrometers, the GNRB and Dyneelax, present a groundbreaking alternative. Engineered for precision, these devices excel where it truly counts—in the sensitive detection of partial ACL ruptures, often outperforming MRI in this critical measure (DOI: 10.1016/j.knee.2023.03.017). Not only do they offer superior diagnostic capabilities, but they also come at a mere fraction of the MRI cost—between 20€ and 150€ depending on your region. We are not here to replace MRI; rather, we offer a first-line diagnostic tool that can significantly pare down healthcare costs and lower MRI tests that are done for nothing (if there is no lesion), cutting expenses by 90% and improving diagnostic accuracy for partial tears.

With the GNRB and Dyneelax, we propose an efficient, economic solution that empowers physicians to make informed decisions swiftly, ensuring that only those who need further examination proceed to MRI. This is not just about cost savings—it's about enhancing patient care, reducing wait times, and allocating resources to where they are most needed, with the added benefit of superior detection of partial ruptures.

Let's embark on a journey to better knee health with a tool that's sensitive in detection, gentle on the wallet, and a harbinger of hope for all individuals facing ACL injuries each year around the world. Welcome to a future where precision meets affordability in ACL diagnostics.

knee ligament imaging: a radiologist looking at mri result
A doctor writing on a white file. Arthrometer Rehabilitation Tech.
Knee Care : a man holding his knee and a woman comforting him. ACL Injuries. ACL Injuries in Football/Soccer
a doctor looking at mri results.
a doctor reading a document
hands holding a stetoscope.

Superior Detection and Unmatched Affordability: The Arthrometer


By integrating our arthrometers into the diagnostic process, healthcare providers can offer their patients not only a cost-effective solution but also a more refined diagnostic tool. It’s an investment in patient care, operational efficiency, and financial prudence.

Unparalleled Sensitivity in Partial ACL Tear Detection

Our arthrometers, the GNRB and Dyneelax, are not just alternatives to MRI—they are advancements. With sophisticated technology, they are particularly adept at detecting partial ACL ruptures. By pinpointing these injuries with remarkable accuracy, they facilitate early and precise intervention, which can be pivotal in a patient's recovery trajectory.

(DOI: 10.1016/j.knee.2023.03.017).

Dramatic Cost Reductions in Diagnostics

Healthcare costs can be a barrier to accessing timely and quality care. By leveraging the efficiency of our arthrometers, priced between €20 and €150 per test, healthcare facilities can reduce the cost associated with knee diagnostics by up to 90%. This cost-effectiveness also translates into lower out-of-pocket expenses for patients, democratizing access to high-quality knee care.

Increased Accessibility to Crucial MRI Resources

By efficiently screening for ACL injuries, our arthrometers make a significant impact beyond individual patient care—they free up invaluable MRI time and resources. This optimization allows for better allocation of MRI usage to more severe pathologies, such as detecting and monitoring certain cancers, where MRI technology is often indispensable.

Comprehensive Evaluation with Advanced Technology (Rotation Stability Assessments)

The Dyneelax not only evaluates the ACL and PCL but also provides a thorough analysis of rotational knee stability by examining the AL-PM and AM-PL corners. This all-encompassing assessment ensures a detailed and accurate knee diagnosis, enabling a complete and nuanced functional approach to knee health.

Strategic Cost Efficiency in Global Healthcare

The introduction of our arthrometers, GNRB and Dyneelax, marks a transformative step in global healthcare diagnostics. Between only €20-€150 per test, these devices offer a dramatic cost reduction compared to MRI scans, which can range from €350 to €1500. This cost efficiency translates across borders, promising significant savings for healthcare systems worldwide.

Reducing Unnecessary MRI Evaluations Globally

MRIs represent a substantial expense to healthcare systems around the world. In France alone, with over one million knee ligament MRI evaluations annually, the fiscal impact is considerable. Our arthrometers provide a cost-effective diagnostic alternative that can reduce the frequency of unnecessary MRIs, which often do not lead to surgical intervention.

Long-Term Financial Prudence

By streamlining the diagnostic process, the GNRB and Dyneelax not only alleviate immediate financial burdens but also promote sustainable healthcare models. The savings from reduced MRI usage can be reallocated to other critical healthcare needs, ensuring a balanced distribution of resources.

Operational Cost Savings with Quick Diagnostics

Beyond patient care, the efficiency of the GNRB and Dyneelax translates to operational savings for healthcare providers. Their quick and effective diagnosis capabilities reduce the workload in radiology departments, freeing up MRI units for cases where advanced imaging is absolutely necessary.

Justifying the Investment

The initial investment in our arthrometers is offset by their substantial cost savings and enhanced diagnostic capabilities over time. By adopting the GNRB and Dyneelax, healthcare providers are not just investing in cutting-edge technology but are also endorsing a model of fiscal responsibility and clinical superiority.

Economic Argument: Rethinking Diagnostic Economics with Arthrometers for Knee Care

The economic argument for the GNRB and Dyneelax arthrometers is clear. They represent not merely a cost-saving measure but a strategic advancement towards a more sustainable, efficient, and resource-optimized healthcare system—a compelling proposition for medical practitioners and healthcare administrators worldwide.

Revolutionize ACL Evaluations with GNRB & Dyneelax Arthrometers

Cost Efficiency

The financial aspect of medical diagnostics is a pivotal concern, especially in a healthcare landscape striving to optimize resources without compromising on quality. The utilization of GNRB and Dyneelax arthrometers presents a compelling case for cost-efficiency, while enhancing diagnostic precision in ACL evaluations.

The case for cost efficiency extends beyond mere financial savings. It encapsulates a vision for a more sustainable, effective, and resource-optimized healthcare framework. The integration of GNRB and Dyneelax arthrometers in different medical departments is a step towards realizing this vision, marking a significant stride in aligning financial prudence with clinical excellence.

Unnecessary MRI

High Costs of MRI: The expense associated with MRI evaluations is substantial. With over 750,000 thousand MRI evaluations performed annually in France for knee ligaments related injuries, the financial burden on the healthcare system is hefty.

Cost-Effective Alternative: GNRB and Dyneelax arthrometers emerge as cost-effective alternatives. By accurately identifying partial ACL ruptures, they help in reducing the number of unnecessary MRI evaluations, which often don’t lead to surgical interventions.

Immediate Cost Reduction: With each MRI test costing ranging from €350 to €1500 compared to €20-€200 for an arthrometer test, the immediate cost reduction per test is significant. This difference in cost can translate to substantial savings for healthcare providers and patients alike.

Long-Term Savings
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Potential Savings: The cost disparity between MRI and arthrometer tests is significant, with MRI tests costing €350-€1500 and arthrometer tests only €20-€200. This equates to a average cost saving of €440 per test. Over a year, considering the 750,000 thousand MRI evaluations performed in France for example, transitioning to arthrometers could potentially save up to €330 million (440 x 750,000) (assuming all MRI tests could first be done via arthrometers, which may not be the case). We do not however say to replace MRI, rather to do a dynamic arthrometer test first and then if ACL tear is confirmed, then an MRI test should be done. Arthrometer would therefore serve as a first filter.

Quick and Effective Diagnosis: The efficiency and ease of use of GNRB and Dyneelax arthrometers also translate to quicker diagnoses, which is not only beneficial for patient care but also for reducing the workload and operational costs in radiology departments.

Resource Redirection: The savings achieved by using arthrometers instead of MRIs for knee ligament evaluations can be redirected to other critical areas within healthcare, such as acquiring new technologies, funding research, or enhancing patient care services.


Cost Breakdown in France for example:

  • Annual Cost of MRI Evaluations in France: 750,000 MRI tests × €500 = €375 million
  • Potential Annual Cost with Arthrometers: 1 million arthrometer tests × €65 = €65 million
  • Potential Annual Savings: €375 million - €65 million = €310 million

Investment Justification: The initial investment in GNRB and Dyneelax arthrometers is quickly offset by the substantial cost savings achieved from reduced MRI evaluations. Over time, the return on investment (ROI) amplifies, making these arthrometers a financially prudent choice for radiology departments.

Long-term Financial Impact: Projecting the cost savings over a multi-year period demonstrates a significant reduction in diagnostic costs. This long-term financial impact supports the strategic decision to integrate GNRB and Dyneelax arthrometers into the diagnostic process, furthering the goal of cost-effective, accurate, and efficient patient care.

Discover Proven Outcomes

Case Studies

a window with a doctor in a room
2023 - GNRB® laximeter with magnetic resonance imaging in clinical practice for complete and partial anterior cruciate ligament tears detection: A prospective diagnostic study with arthroscopic validation on 214 patients.

DOI: 10.1016/j.knee.2023.03.017
Theo Cojean, Cecile Batailler, Henri Robert, Laurence Cheze
CHU Nantes, CHU Angers, CH Laval (French Hospitals)
A doctor writing on a white file. Arthrometer Rehabilitation Tech.
2023 - Sensitivity, repeatability and reproducibility study with a leg prototype of a recently developed knee arthrometer: The DYNEELAX®

DOI: 10.1016/j.medntd.2023.100254
Theo Cojean, Cecile Batailler, Henri Robert, Laurence Cheze
Université Gustave Eiffel, Lyon, France

Don’t just take our word for it



To assist healthcare professionals in leveraging the GNRB & DyneeLax arthrometers to their fullest potential, we have curated a collection of resources. These are designed to provide comprehensive insights, from basic setup and operation to in-depth diagnostic procedures. These resources aim to facilitate seamless integration of these innovative tools into your diagnostic practice, ensuring accurate and timely identification of knee ligament injuries.

Research Articles & Clinical Studies:

2023 - GNRB® laximeter with magnetic resonance imaging in clinical practice for complete and partial anterior cruciate ligament tears detection: A prospective diagnostic study with arthroscopic validation on 214 patients.
DOI: 10.1016/j.knee.2023.03.017

2023 - Sensitivity, repeatability and reproducibility study with a leg prototype of a recently developed knee arthrometer: The DYNEELAX®
DOI: 10.1016/j.medntd.2023.100254

2019 - Anterior knee translation measurements after ACL reconstruction are influenced by the type of laximeter used.
DOI: 10.1007/s00167-020-05950-5

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