An injectable vertebral body repair device
An injection-type, vertebral body technology, applied in the direction of the fixator, can solve problems such as rough surface bone defects, achieve the effects of repairing compression fractures, improving injection efficiency, and enhancing the effect
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Embodiment 1
[0042] The material of the injectable chain is PEEK among non-degradable polymer materials, the diameter is Ф10mm, the diameter of the inner central through hole is Ф3mm, and there are multiple grooves on the top and bottom of the chain respectively, and the shape of the groove is rectangular.
[0043]First, connect the threaded port (210) on the injectable PEEK chain (100) with the tapered thread structure (310) of the push rod casing, the tapered thread taper is 1:1; The injected PEEK strand (100) is filled into the matching filling sleeve (200).
[0044] Then, push the push rod sleeve (300) to push the injectable chain (100) into the damaged push body, such as Image 6 As shown, the injection chain gradually bends and gradually fills the center of the entire vertebral body. After the injection is completed, the push rod (330) in the push rod sleeve is drawn out.
[0045] Finally, advance the bone cement (400) through the push rod sleeve (300) to the central through hole of...
Embodiment 2
[0049] The material of the injectable chain is PEEK in the non-degradable polymer material, the diameter is Ф5mm, the diameter of the inner central through hole is Ф1mm, and there are multiple grooves on the top and bottom of the chain respectively, and the shape of the groove is trapezoidal
[0050] First, connect the threaded port (210) on the injectable PEEK chain with the tapered thread structure (310) of the push rod sleeve, the tapered thread taper is 1:3; rotate clockwise to lock, and then insert the injectable PEEK chain (100) filled into matching filling sleeve (200)
[0051] Then, push the push rod sleeve (300), push the injectable chain (100) into the damaged push body, and gradually fill up the center of the entire vertebral body, and extract the push rod (330) in the push rod sleeve.
[0052] Finally, push the bone cement (400) through the push rod sleeve (300) to the central through hole of the chain, extrude from the groove, and finally fill the damaged vertebra...
Embodiment 3
[0054] The material of the injectable chain is PEEK in non-degradable polymer materials, the diameter is Ф3mm, the diameter of the inner central through hole is Ф0.5mm, and there are multiple grooves on the top and bottom of the chain respectively, and the shape of the groove is triangle
[0055] First, connect the threaded port (210) on the injectable PEEK chain with the tapered thread structure (310) of the push rod sleeve, the tapered thread taper is 1:2; rotate clockwise to lock, and then insert the injectable PEEK chain (100) filled into matching filling sleeve (200)
[0056] Then, push the push rod sleeve (300), push the injectable chain (100) into the damaged push body, and gradually fill up the center of the entire vertebral body, and extract the push rod (330) in the push rod sleeve.
[0057] Finally, push the bone cement (400) through the push rod sleeve (300) to the central through hole of the chain, extrude from the groove, and finally fill the damaged vertebral b...
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