The present invention includes a pedicle screw made with a bone fastener and a rod coupling head, the rod coupling head comprising an upper rod coupling: the lower rod coupling having a lateral rod opening adapted to receive a permanent rod; an angled bore extends into the lateral rod opening; and a
The present invention includes a pedicle screw made with a bone fastener and a rod coupling head, the rod coupling head comprising an upper rod coupling: the lower rod coupling having a lateral rod opening adapted to receive a permanent rod; an angled bore extends into the lateral rod opening; and a permanent rod fastener in the angled bore to engage a permanent rod in the lateral rod opening; and a upper rod coupling having an upper rod opening adapted to receive a temporary rod, wherein the upper rod opening is formed to receive a temporary rod fastener; wherein the upper rod coupling is detachable from the lower rod coupling at a transition and a temporary rod is temporarily affixed into the upper rod opening during a bone realignment and a permanent rod is positioned in the lateral rod opening and engaged by the permanent rod fastener upon final bone alignment.
대표청구항▼
1. A pedicle screw comprising: a bone fastener and a rod coupling head, the rod coupling head comprising a lower and an upper rod coupling: the lower rod coupling comprising: a lateral rod opening adapted to receive a permanent rod, wherein the lateral rod opening is on a side of the pedicle screw;a
1. A pedicle screw comprising: a bone fastener and a rod coupling head, the rod coupling head comprising a lower and an upper rod coupling: the lower rod coupling comprising: a lateral rod opening adapted to receive a permanent rod, wherein the lateral rod opening is on a side of the pedicle screw;an angled bore extending into the lateral rod opening along an axis; anda permanent rod fastener in the angled bore to engage a permanent rod in the lateral rod opening; andthe upper rod coupling comprising: an upper rod opening adapted to receive a temporary rod, wherein the upper rod opening is formed to receive a temporary rod fastener along an axis which is transverse to the angled bore axis, wherein the upper rod coupling is detachable from the lower rod coupling at a transition; wherein the lateral rod opening is located between the upper rod opening and the bone fastener; andwherein a temporary rod is temporarily affixed into the upper rod opening during a bone realignment and a permanent rod is positioned in the lateral rod opening and engaged by the permanent rod fastener upon final bone alignment. 2. The screw of claim 1, wherein the lower and upper rod couplings are integral and the transition between the upper and lower rod couplings is breakable. 3. The screw of claim 1, wherein the lower and upper rod couplings are integral and a transition between the upper and lower rod couplings is semi-permanently attached. 4. The screw of claim 1, wherein the transition between the lower and upper rod couplings comprises a universal joint, a pivot, a slot, a collar, a bearing, a dove-tail, a ball-joint, a gimbal, a level, or a sleeve. 5. The screw of claim 1, wherein the lateral and upper rod openings are generally perpendicular. 6. The screw of claim 1, wherein the temporary, the permanent or both fasteners threadably engage the temporary, permanent or both rods. 7. The screw of claim 1, wherein the temporary, the permanent or both fasteners comprise locking pins. 8. The screw of claim 1, wherein the transition between the lower rod coupling and the bone fastener comprises a universal joint, a pivot, a slot, a collar, a bearing, a dove-tail, a ball-joint, a gimbal, a level, or a sleeve. 9. The screw of claim 1, wherein the bone fastener is semi-permanently attached to the rod coupling and allows the rod coupling to be positioned at a variable angle relative to the bone fastener. 10. A method of spinal fixation using pedicle screws comprising: fastening two or more pedicle screws into two or more vertebra, each pedicle screw comprising a bone fastener and a rod coupling head, the rod coupling head comprising separate lower and upper lower rod couplings: the lower rod coupling comprising: a lateral rod opening adapted to receive a permanent rod, wherein the lateral rod opening is on a side of the pedicle screw;an angled bore extending into the lateral rod opening along an axis; anda permanent rod fastener in the angled bore to engage a permanent rod in the lateral rod opening; andthe upper rod coupling comprising: an upper rod opening adapted to receive a temporary rod, wherein the upper rod opening is formed to receive a temporary rod fastener along an axis which is transverse to the angled bore axis; andwherein the upper rod coupling is detachable from the lower rod coupling at a transition;interconnecting the pedicle screws with a temporary rod;correcting a position of the spine by manipulating the temporary rod attached to the pedicle screws;interconnecting the pedicle screws with a permanent fixation rod; andremoving the temporary rod and the upper rod coupling from the two or more pedicle screws. 11. The method of claim 10, wherein the lower and upper rod couplings are integral and the transition between the upper and lower rod couplings is breakable. 12. The method of claim 10, wherein the lower and upper rod couplings are integral and the transition between the upper and lower rod couplings is semi-permanently attached. 13. The method of claim 10, wherein the transition between the lower and upper rod couplings comprises a universal joint, a pivot, a slot, a collar, a bearing, a dove-tail, a ball-joint, a gimbal, a level, or a sleeve. 14. The method of claim 10, wherein the lateral and upper rod openings are generally perpendicular. 15. The method of claim 10, wherein the temporary, the permanent or both fasteners threadably engage the temporary, permanent or both rods. 16. The method of claim 10, wherein the temporary, the permanent or both fasteners comprise locking pins. 17. The method of claim 10, wherein a transition between the lower rod coupling and the bone fastener comprises a universal joint, a pivot, a slot, a collar, a bearing, a dove-tail, a ball-joint, a gimbal, a level, or a sleeve. 18. The method of claim 10, further comprising using a rod link reducer to perform the step of correcting the spine. 19. The method of claim 10, wherein the bone fastener is semi-permanently attached to the lower rod coupling and allows the lower rod coupling to be positioned at a variable angle relative to the bone fastener. 20. A kit comprising: two or more pedicle screws, wherein each pedicle screw comprises a bone fastener and a rod coupling head, the rod coupling head comprising separate lower and upper lower rod couplings: the lower rod coupling comprising: a lateral rod opening adapted to receive a permanent rod, wherein the lateral rod opening is on a side of the pedicle screw;an angled bore extending into the lateral rod opening along an axis; anda permanent rod fastener in the angled bore to engage a permanent rod in the lateral rod opening; andthe upper rod coupling comprising: an upper rod opening adapted to receive a temporary rod, wherein the upper rod opening is formed to receive a temporary rod fastener along an axis which is transverse to the angled bore axis; wherein the lateral rod opening is located between the upper rod opening and the bone fastener; andtwo or more temporary rod fasteners. 21. The kit of claim 20, further comprising a permanent rod and a temporary rod. 22. The kit of claim 20, further comprising one or more rod link reducers. 23. The kit of claim 20, further comprising one or more leverage handles. 24. The kit of claim 20, further comprising two or more permanent rods, two or more temporary rods, one or more rod link reducers and one or more leverage handles.
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이 특허에 인용된 특허 (67)
Le Couedic Regis,FRX ; Conchy Frederic,FRX, Adjustable osteosynthesis system of the rachis.
Von Hoff Daniel D. (San Antonio TX) Kuhn John G. (San Antonio TX) Leighton Paul W. (Thiensdille WI) Wakeman Howard M. (Thiensdille WI), Intramedullary catheter.
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