Atlanta-based orthopedic device company MedShape, Inc. has announced the commercial launch of its DynaClip™ Bone Fixation System.
MedShape Announces Launch of DynaClip™ Bone Fixation System
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The DynaClip Bone Fixation System features superelastic nickel titanium (NiTiNOL) technology, which provides both dynamic compression and reliable durability. The system is provided sterile with completely disposable instrumentation, which is intended to streamline the procedure and reduce waste and time spent in the operating room.
The DynaClip is available in 9 different sizes, including multiple leg lengths. The DynaClip was designed to accommodate all patient anatomy in the forefoot, midfoot, and hindfoot while still maximizing dynamic compression.
OTW spoke to Jeremy Blair, vice president of Research & Development at MedShape. Blair explained why MedShape developed the DynaClip. “The DynaClip was developed to meet surgeon demand for a more durable, low profile staple that can withstand large weight-bearing forces in midfoot and hindfoot applications. There are several staple options on the market, but DynaClip is the only staple that is optimized for low profile, compression, and durability.”
According to Blair, “Previous staple offerings are categorized by three manufacturing methods, each with weaknesses.”
“First, the vast majority of staple offerings are simple two-dimensional wire EDM [electrical discharge machining] geometries which are weak in both compression and durability.”
“Second, some staple geometries use a bent wire process, but these designs have a more prominent profile and are prone to soft tissue irritation. Lastly, the newer market leading staple designs employ a more complex three-dimensional wire EDM process to create a low-profile bridge to minimize soft tissue irritation, but these designs have stress concentrations at the bridge-leg intersection, a location for premature implant failure.”
Alexander Pappas, M.D., with OrthoSC in Myrtle Beach was one early adopter of the DynaClip and told OTW, “I have been impressed with the DynaClip staple’s solid fixation…The DynaClip’s simple and intuitive instrumentation also allows for a quick implantation.”
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This is a fascinating development. In my practice we've seen similar outcomes with the revised protocol. The key differentiator seems to be patient selection criteria. Has anyone else noticed the correlation with BMI thresholds?
Great point. I'd push back slightly on the conclusion, the sample size in the cited study is too small to draw population-level inferences. That said, the directional signal is compelling and worth a larger RCT.
We implemented a similar approach last year. Early results are promising but we're still gathering 12-month follow-up data. Happy to share our protocol if anyone is interested.
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