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 rod coupling adjacent to an upper rod coupling having a unitary construction:the lower rod coupling comprising: a lateral rod opening adapted to receive a permanent rod, wherein the later
1. A pedicle screw comprising: a bone fastener and a rod coupling head, the rod coupling head comprising a lower rod coupling adjacent to an upper rod coupling having a unitary construction: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 extends into the lateral rod opening; anda permanent rod fastener in the angled bore to engage a permanentrod in the lateral rod opening; and the upper rod coupling comprising:an upper rod opening adapted to receive a temporary rod in substantiallyparallel alignment with the permanent rod, whereinthe upper rod opening is formed to receive a temporary rod fastener along a central axis of the upper rod opening,wherein the upper rod coupling is detachable from the lower rod coupling at a transition in the unitary construction; andwherein a temporary rod is temporarily affixed into the upper rod opening prior to a permanent rod being positioned in the lateral rod opening and engaged by the permanent rod fastener, wherein the lateral rod opening and the upper rod opening do not face each other and wherein the central axis of the upper rod opening intersects the lateral rod opening. 2. The screw of claim 1, wherein the lower and upper rod couplings are integral and the transition in the unitary construction between the lower and upper rod couplings is breakable. 3. The screw of claim 1, wherein the lower and upper rod couplings are integral and the transition between the lower and upper 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 rod opening and upper rod opening 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 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 balljoint, 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. The method of claim 9, wherein the lower and upper rod couplings are integral and the transition between the lower and upper rod couplings is semi-permanently attached. 11. The method of claim 9, 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. 12. A method of spinal fixation using pedicle screws comprising: fastening two or more pedicle screws into two or more vertebra, the pedicle screw comprising a bone fastener and a rod coupling head, the rod coupling head comprising a lower rod coupling adjacent to and having a unitary construction with 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 extends into the lateral rod opening; 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 in substantially parallel alignment with the permanent rod, wherein the upper rod opening is formed to receive a temporary rod fastener; andwherein the upper rod coupling is detachable from the lower rod coupling at a transition in the unitary construction;interconnecting the pedicle screws with a temporary rod;correcting the position of the spine by manipulating the temporary rod attached to the pedicle screws;interconnecting the pedicle screws with a permanent fixation rod;and removing the temporary rod and the upper rod coupling from the two or more pedicle screws; andwherein the lateral rod opening and the upper rod opening do not face each other. 13. The method of claim 12, wherein the lower and upper rod couplings are integral and the transition in the unitary construction between the lower and upper rod couplings is breakable. 14. The method of claim 12, wherein the lateral and upper rod openings are generally perpendicular. 15. The method of claim 12, wherein the temporary, the permanent or both fasteners threadably engage the temporary, permanent or both rods. 16. The method of claim 12, wherein the temporary, the permanent or both fasteners comprise locking pins. 17. The method of claim 12, 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 balljoint, a gimbal, a level, or a sleeve. 18. The method of claim 12, further comprising using a rod link reducer to perform the step of correcting the spine. 19. The method of claim 12, 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 adapted to be installed into two or more vertebra, wherein each pedicle screw comprises a bone fastener and a rod coupling head, the rod coupling head comprising a lower rod coupling adjacent to and having a unitary construction with 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 extends into the lateral rod opening; anda permanent rod fastener in the angled bore to engage a permanentrod in the lateral rod opening; andthe upper rod coupling comprising: an upper rod opening adapted to receive a temporary rod in substantially parallel alignment with the permanent rod,wherein the upper rod opening is formed to receive a temporary rod fastener along a central axis of the upper rod opening; and two or more temporary rod fasteners;wherein the lateral rod opening and the upper rod opening do not face each other and wherein the central axis of the upper rod opening intersects the lateral rod opening. 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 (68)
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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