Clover Staple™

The BioPro® Clover Staple™ is a 3-leg and 4-leg nitinol memory-alloy staple specifically designed for four corner fusions and other limited wrist fusions in cases of carpal instability, Scaphoid Nonunion Advanced Collapse (SNAC), and Scapholunate Advanced Collapse (SLAC). The Clover Staple™ activates at patient body temperature, providing dynamic, centralized compression designed to speed up the fusion process.

  • Engineered to allow surgeons to use a single device and streamlined dorsal approach in intercarpal fusions, leaving the articular surfaces undisturbed.
  • 1mm profile and specially designed instrumentation allow the staples to sit flush, preventing dorsal impingement and maximizing motion.
  • Open center design to allow visualization of the fusion site.
  • The patented clover shape allows the entire staple to compress, not just the legs, pulling all the bones towards the center of the fusion site. 
  • Activated at the patient’s body temperature, the staple will compress, creating 4-6 lbs of compressive force.* 
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4-Leg Staple

The 4-Leg Clover Staple was specifically designed for addressing a four-corner fusion with a single device. A retrospective case series of 32 patients that underwent a limited intercarpal arthrodesis with the Clover Staple resulted in a 100% union rate and grip strength improvement equal to the contralateral hand.1

The 4-Leg Clover Staple is available in:

  • Three top dimensions: 10mm x 8mm, 14mm x 12mm, and 18mm x 16mm
  • Three leg lengths: 10mm, 12.5mm, and 15mm

3-Leg Staple

The 3-Leg Clover Staple was specifically designed for addressing a Scaphotrapeziotrapezoid (STT) fusion. The unique shape captures up to 3 bones with a single device.

The 3-Leg Clover Staple is available in:

  • Three top dimensions: 10mm x 8mm, 14mm x 12mm, and 18mm x 16mm
  • Three leg lengths: 10mm, 12.5mm, and 15mm

Related Videos

Animated Surgical Technique for the 4-Leg Clover Staple

The 4-Leg Clover Staple was specifically designed to address four-corner fusions with a streamlined dorsal incision.

Surgical demonstration of the 4-Leg Clover Staple

John Faillace, MD demonstrates the surgical technique for a four-corner fusion with the 4-leg Clover Staple.

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REFERENCES

    1. John Faillace, MD., Dr. Steve Boyea. NiTiNOL Low Profi le Multi-pronged Memory Metal Staple in Small Bone Fusion. Presented at the 72nd Annual Meeting of the ASSH. San Francisco. September 2017

*Data on file