Stryker Launch Gamma4, The Next-Gen Hip Fracture Nailing System

Medical device company Stryker has recently launched the Gamma4 System, which strengthens the product’s 30 year legacy of continuous innovation within clinical history. This latest Gamma System will provide surgeons and medical practitioners with Stryker’s next generation of the intra-medullary nailing system.

“Since 2004, the Gamma3 System has been the proven work horse of our Trauma business,” said Eric Tamweber, Vice President and General Manager, Stryker’s Trauma business unit. “But we aren’t proven because we have a legacy; we have a legacy because we are proven. That’s why we’re so excited to introduce Gamma4— an enhanced, modern product that is designed to fulfil our customers’ hip fracture needs.”

This Gamma4 System has been designed to treat stable and unstable fractures, along with use for the stabilisation of bones and the correction of bone deformities within the intracapsular, subtrochanteric, trochanteric, and the shaft regions of the femur (which include osteoporotic and osteopenic bone).

Features of the system include a Precision Pin™, the use of which reduces the potential for skiving by a significant 66%, compared to a standard ∅3.2 k-wire. The Gamma4 also has a redefined nail, designed by SOMA, which features length-variable RoC, a proximal body which has been shortened, and a chamfered distal tip with is equipped with a pre-inserted set screw. Stryker have also released an instrument platform which is integrated, allowing the portfolio of all Stryker nails to now work off the existing IMN Basic set.

“Our design team spent the last decade working to understand how we could enhance the Gamma System based on surgeon experience and feedback,” said James Maxey, M.D., orthopaedic surgeon and a design surgeon for Gamma4. “Our goal when designing the Gamma4 system was to make it easier for the surgeon—and better for the patient. Being one of the most commonly used devices to repair a hip fracture, I’m confident that we met our goal of reshaping patient hip fracture care for many years to come.”

“The Gamma4 System features the Precision Pin™, which allows me to control the placement of the Lag Screw while having familiar instrumentation to the T2 Alpha System,” said David Forsh, M.D., an orthopaedic surgeon at Mount Sinai Hospital in New York. “The instrumentation is sleek, the nail design and geometry have been enhanced and the nail facilitates the ease of insertion, which is one of the biggest benefits I have experienced first-hand in the operating room.”

© Stryker Corporation

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