Bracket for external fixation of bones
A fixation system for fixing a bone fracture has a plurality of blocks, needles and rods that snap together in a framework around the fracture. The needles are inserted through the bone on opposite sides of the fracture and the blocks are snapped onto the ends of the needles. Rods are snapped onto the blocks on both sides of the finger to keep the finger in place. Each block has two channels located on opposite sides and extending perpendicular to each other. The channels are structured so that a rod or needle having a diameter equal or slightly greater than one of the channels can be snapped into and retained by the channel.
1. A fixation system for fixating a fracture in one or more bones of a finger, comprising:
a plurality of needles adapted to be placed through the bones and extending out of the finger on two opposite sides of the bones;
two rods configured to extend on opposite sides of the finger; and
a plurality of brackets each bracket comprising a block having a first channel extending in a first direction and being open to a first surface of the block, and having a second channel extending in a second direction and being open to a second surface of the block, wherein the first surface and second surface are located opposite each other, wherein the first channel is arranged perpendicular to the second channel, and wherein a width of the channel at each of the first and second surfaces is less than a diameter of the corresponding channel, wherein the first channel of each bracket is dimensioned to hold the needles and the second channel of each bracket is dimensioned to hold the rods, such that each of the needles is connected to the rods on both ends of the needles via the brackets by snapping the needles into the respective first channels and snapping the rods into the respective second channels of the brackets.
2. The fixation system according to claim 1 , wherein there are three needles and six brackets.
3. The fixation system according to claim 1 , wherein the rods are made of reinforced carbon fiber.
4. A method of fixing a broken bone in a finger comprising:
placing a plurality of needles through the bone on opposite sides of the fracture such that the needles extend through the finger on both sides of the bone;
connecting each of the ends of each of the needles to a bracket comprising a block having a first channel extending in a first direction and being open to a first surface of the block, and having a second channel extending in a second direction and being open to a second surface of the block,
wherein the first surface and second surface are located opposite each other,
wherein the first channel is arranged perpendicular to the second channel, and wherein a width of the channel at each of the first and second surfaces is less than a diameter of the corresponding channel,
wherein the step of connecting comprises snapping each end of each needle into the first channel of each block;
connecting each block on one side of the finger to a first rod by snapping the rod into the second channel of each block on said one side; and
connecting each block on the opposite side of the finger to a second rod by snapping the second rod into the second channel of each block on said opposite side.
5. The method according to claim 4 , wherein the first and second rods are made of reinforced carbon fiber.
6. The method according to claim 4 , further comprising applying glue to the rods and needles or channels in the block.