Pixee Medical Knee-plus brings AR precision to total knee arthroplasty surgery - Main

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Wearing augmented reality smart glasses, surgeons are able to view precise 3D information while fitting knee implants

Quick read

➨ Knee+, from Pixee Medical, is designed for total knee arthroplasty operations
➨ It provides orthopaedic surgeons with intraoperative assistance for implant positioning
➨ 510(k) clearance from the Food and Drug Administration gives Pixee Medical the green light to begin preparing for full authorisation and launch of this medical device in the US

The story

Take a look at this: Pixee Medical’s Knee+, an augmented reality-powered solution that helps surgeons with real-time positioning of knee implants. This highly novel use of immersive technology is so good it has received clearance from the US Food and Drug Administration (FDA), a step in the process toward full market approval.

Knee+, from France-based Pixee Medical, is designed for total knee arthroplasty operations and provides orthopaedic surgeons with intraoperative assistance for implant positioning, using augmented reality M400 Smart Glasses from Vuzix Corporation and proprietary software.

Wearing augmented reality smart glasses, surgeons are able to view precise 3D information while fitting knee implants.

Pixee Medical Knee-plus brings AR precision to total knee arthroplasty surgery - FOV
Information is displayed in the surgeon’s field of vision

The smart glasses’ integrated camera reads QR code markers on a set of adjustable knee braces and relays information pertaining to positioning and planned surgical cuts, which is displayed in the surgeon’s field of vision and updated in real time. This information interacts with the software via the glasses’ accelerometers.

Pixee Medical Knee-plus brings AR precision to total knee arthroplasty surgery - QR codes
The smart glasses’ integrated camera reads QR code markers

Pixee Medical says the first Knee+ surgery was performed in June 2020 in Lariboisière Hospital in Paris. Commercialisation in Europe and Australia began in January 2021, and the company, whose business model focuses on partnering with leading orthopedic implant providers, sold more than 60 systems in Q1.

510(k) clearance from the FDA gives Pixee Medical the green light to begin preparing for full authorisation and launch of this medical device in the US, a key market for any healthcare-focused company.

Sébastien Henry, founder and chief executive officer of Pixee Medical, says FDA clearance is “an important step forward”, as the US “represents 50% of the worldwide market”.

Pixee Medical is planning to expand its solution to hip and shoulder replacements. It also sees potential for the Knee+ solution to serve as “the cornerstone of data acquisition and exchange during surgery as well as a plug-and-play hub for accessories like connected instruments, robotic arms and wireless tools”.

Henry adds: “Today, Knee+ is well positioned to help ambulatory surgical centres face the significant backlog and increase in knee surgery. These centres need intuitive, effective, attractive and affordable solutions to meet their patients’ needs, now.”

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