Pancarpal Arthrodesis Plate 2.7/3.5
The DePuy Synthes Vet Pancarpal Arthrodesis Plate 2.7/3.5 is intended for the treatment of hyperextension injuries of the carpal joint in skeletally mature dogs, weighing 20–40 kg. It features six 3.5 mm LCP COMBI® holes proximally and five 2.7 mm LCP COMBI holes distally. The LCP COMBI holes accept either cortex or locking screws.
Features & Benefits
Proximal and distal tapering of plate thickness is designed to improve soft tissue coverage and reduce stiffness at the ends of plate.
The center hole accepts a 3.5 mm cortex screw and allows up to 25° of proximal angulation.
Increased spacing between the most distal hole and the end of the plate is designed to reduce bone stress.
The tapered, double-lead machine thread on the head of the locking screw engages the threads of the locking plate holes. The resulting fixed-angle construct provides stable fixation of the bone fragments without having to compress the plate to the bone. A perfectly contoured plate is therefore not required to achieve fixation and maintain proper alignment.
Because locking screws do not compress the plate to the bone, the “pull-out” mode of failure is not applicable to locking screws. For this reason, locking screws are made with a smaller thread profile and a larger core diameter.
The Stardrive® Recess of a locking screw provides three significant improvements over an internal hex drive. First, “stripping” of the screw head is minimized as a failure mode. Second, the tapered Stardrive Recess provides automatic screw retention without the need for an additional screw holding mechanism. Third, the more efficient Stardrive Recess allows a smaller screw head and allows the screw head to sit ﬂush with the plate.
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