Connection to Frame: These blocks connect the half pins, which are inserted into the bone, to a central ring or frame component of the external fixator.
Centers: They typically attach to a ring using a post and a one-hole cube, with a hexagonal set screw used to lock the centering sleeve in place.
Half Pin Attachment: They facilitate the attachment of half pins, allowing for the creation of a more rigid construct.
Size and Hole Configuration: Blocks are available with different numbers of holes (e.g., 2, 3, 4 holes) to accommodate various fixation needs.
Centering Sleeves: Centering sleeves are used to ensure that half pins are properly aligned within the block, providing a more stable connection to the half pin itself.
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