Importance

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Abstract

A bone plate is especially adapted to solve the problems pertinent to all fracture types of the proximal humerus but especially all three-part and four-part fractures and fracture dislocations of the proximal humerus. The first bone plate (30) is configured and arranged to match the contour of a healthy unfractured proximal humerus. The bone plate (30) includes an elongate shaft portion (32) and a head portion (34). The shaft portion (32) is adapted for receiving bone screws to fix the bone plate to a shaft of a humerus. The head portion includes a first head section (53) and a second head section (54), with an obtuse angle defined therebetween. The first and second head sections (53, 54) extend laterally away from a longitudinal axis of the shaft portion (32) in generally opposite directions. The second head section (54) is configured and arranged with lateral portion (86) to secure multiple fractures of a head of proximal humerus while extending laterally adjacent to the biceps tendon to preserve the tendon. First head section (53) forms an angled gap (61) relative to second head section (54) to avoiding impingement of the acromion process of the shoulder. Another pair of bone plates includes a bone plate especially adapted for fixing fractures on the dorsal side of the distal radius and a bone plate especially adapted for fixing fractures on the volar side of the distal radius. The bone plates are pre-shaped to match the contour of the anatomic shape of a dorsal side and a volar side, respectively, of an unfractured distal radius.

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First Claim