The Polycrystalline Diamond (PCD) material Dymicron employs in the manufacture of its Triadyme®-C cervical total disc replacement (cTDR) device is a patented grade of exclusive PCD that Dymicron has invented for use in medical applications.
Tough enough for heavy industry
Polycrystalline Diamond is an industrial material used in the most demanding environments and in applications where diamond’s extreme hardness, wear resistance, and incredible toughness are needed. The material has revolutionized every industry it has moved into. In down-hole well drilling, for example, PDC dramatically outperforms tungsten carbide, the former substance of choice, with a capacity for drilling 160 times farther while removing hard rock three times faster.
A composite material, Polycrystalline Diamond is a sintered monobloc of diamond microcrystals that have been fused together at a pressure of 1 million pounds per square inch and a temperature of 1,400° Celsius; a small percentage of the construct is a metallic alloy that facilitates the sintering process. The resulting Polycrystalline Diamond Compact maintains many of the extreme properties for which natural diamond is known, but is significantly more durable.
Just as tough, but now refined for human medicine
Dymicron’s ongoing clinical studies point to Polycrystalline Diamond as perhaps the ideal material for joint replacement devices. It’s just as hard as natural diamond, and Polycrystalline Diamond’s resistance to brittle fracture is actually greater than for single-crystal natural diamonds.
Polycrystalline Diamond also has an extraordinarily low coefficient of friction, and is just as resistant to wear as industrial PCD. After being wear-tested under high-stress conditions, Polycrystalline Diamond exhibited more than 1,000 times greater wear resistance than cobalt-chrome, the alloy most commonly used in orthopedic applications.
Diamond is the ideal bearing material, and Dymicron has developed the only biocompatible man-made variety, Polycrystalline Diamond
Unlike translucent natural diamond, the crystals in Polycrystalline Diamond are bridged together, giving it its opaque black appearance and unmatched strength.
Think about that: Given the inflammatory effect wear debris can have on a patient, particularly when such debris are localized around the spine, and the sometimes catastrophic consequences this wear has for patients, Polycrystalline Diamond’s ability to make wear debris nearly non-existent stands to be a game-changing development.
Polycrystalline Diamond can readily endure physiologic loading for 40+ years. And the material is fullycompatible with X-ray and CT diagnostics, and MRI-compatible with little artifact, allowing clear images at the treatment level.
The definitive next-gen orthopedic implant material
Dymicron’s vision is to deliver joint replacement devices marked by exceptional performance and endurance—built to last more than a lifetime—to patients with injured or degenerative joints. Thanks to its extreme properties, Polycrystalline Diamond is ushering in a new generation of uniquely patient-friendly designs that we believe would be impossible with anyother material. It is a peerless material.
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