Smith+Nephew introduces first of its kind handheld digital tensioning device for robotically-enabled total knee arthroplasty

LONDON, April 24, 2023 /PRNewswire/ -- Smith+Nephew (LSE:SN, NYSE:SNN), the global medical technology company, today introduced its new CORI™ Digital Tensioner - a purpose built device that lets surgeons measure the ligament tension in a knee prior to cutting bone.¹ By enabling a surgeon to quantify joint laxity in the native knee and achieve an optimal ligament tensioning force, the CORI Digital Tensioner helps to reduce variability when balancing the knee in surgery.^1-4 This helps make surgical planning more objective versus other commercially available alternatives.^1,3

Personalizing Surgery and Helping Reduce Variability in Robotics-assisted TKA
The CORI Digital Tensioner produces a surgeon-defined, quantifiable force to distract the knee joint, apply consistent tension to the ligaments, and provide objective gap data for procedure planning and execution.^1,3 A small clinical case series showed the CORI Digital Tensioner reduced variability of tensioning by 64% when compared to a manual technique.^5*

"I've never seen anything like the digital tensioner before," stated Dr. Steven Haas at Hospital for Special Surgery in New York. "You try to teach how much force to apply, but it varies by surgeon and from one case to another. The CORI Digital Tensioner goes into the knee, you see a force or load being applied, and the gap it created. This technology is something I've wanted for the last twenty years."

Advancing procedural innovation in robotic-assisted surgery, the CORI Digital Tensioner is a differentiated technology that helps solve challenges for surgeons, including:

• The first and only ligament tensioning device in robotic-assisted surgery to assess joint laxity in the native knee before performing bony resection.
• Automatic collection of gap data at a specified force through the full range of movement.
• A true tensioning device using a software interface that allows surgeons to choose their preferred target force value (50±10N, 100±10N, or 150±10N).

The first commercial surgical procedure using the CORI Digital Tensioner was recently performed by Dr. Bertrand Kaper of Orthopedic Specialists of Scottsdale and HONORHEALTH Medical Group in Arizona.

"The integration of this dedicated soft tissue tensioning device brings a new realm of objective data to the technique of knee replacement," commented Dr. Kaper. "The surgeon is now able to collect joint laxity data, in a proactive manner, to assist with the visualization, planning and execution of the patient's surgery in real time. It's unlike any other tool we've historically had available and will be a powerful addition to the robotic-assisted knee replacement technology that the CORI™ platform currently offers."

To learn more about the latest advancements in orthopaedic reconstruction and discover more about robotics and computer-guided solutions, please go to https://www.smith-nephew.com/en-us/health-care-professionals/products/orthopaedics/cori 

* n=4

References

About Smith+Nephew
Smith+Nephew is a portfolio medical technology company focused on the repair, regeneration and replacement of soft and hard tissue. We exist to restore people's bodies and their self-belief by using technology to take the limits off living. We call this purpose 'Life Unlimited'. Our 19,000 employees deliver this mission every day, making a difference to patients' lives through the excellence of our product portfolio, and the invention and application of new technologies across our three global franchises of Orthopaedics, Sports Medicine & ENT and Advanced Wound Management.

Founded in Hull, UK, in 1856, we now operate in more than 100 countries, and generated annual sales of $5.2 billion in 2022. Smith+Nephew is a constituent of the FTSE100 (LSE:SN, NYSE:SNN). The terms 'Group' and 'Smith+Nephew' are used to refer to Smith & Nephew plc and its consolidated subsidiaries, unless the context requires otherwise.

For more information about Smith+Nephew, please visit www.smith-nephew.com and follow us on Twitter, LinkedIn, Instagram or Facebook.

Forward-looking Statements
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