METHOD AND APPARATUS FOR SPINAL FIXATION
First Claim
1. A device used for deploying a spinal fixation device comprising:
- an elongated cannulated member having a proximal end, a distal end, a first longitudinal axis extending therebetween, and an outer surface, the cannulated member comprising a an elongated opening on the outer surface and a handle extending along a second longitudinal axis;
wherein the first and second longitudinal axis form an angle with respect to each other, and wherein the elongated opening is configured to receive an elongate tubular member having a third longitudinal axis when the third longitudinal axis is oriented transversely to the first longitudinal axis.
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Accused Products
Abstract
Fusion of cervical spinal vertebrae with one or more fixation devices can be accomplished with the described tools and methods. For example, a guidewire introducer can include a tubular introducer cannula and a handle. The handle can be angularly offset from the introducer cannula such that positioning of the introducer on the cervical spine does not interfere with a patient'"'"'s head. A sheath assembly can include inner and outer sheath bodies and a handle. The handle is angularly offset from the sheath bodies such that the sheath assembly can be applied to the cervical spine without interference to the patient'"'"'s head. The sheath body can be curved or straight. Various tools such as drills, tapping devices, compression tools, and pin release tools can be applied to the cervical spine through the sheath body to apply the fixation device. The tools can include elongate flexible shafts.
200 Citations
34 Claims
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1. A device used for deploying a spinal fixation device comprising:
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an elongated cannulated member having a proximal end, a distal end, a first longitudinal axis extending therebetween, and an outer surface, the cannulated member comprising a an elongated opening on the outer surface and a handle extending along a second longitudinal axis;
wherein the first and second longitudinal axis form an angle with respect to each other, and wherein the elongated opening is configured to receive an elongate tubular member having a third longitudinal axis when the third longitudinal axis is oriented transversely to the first longitudinal axis. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A wire introducer for creating a tissue track for a guidewire, the wire introducer comprising:
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an elongated cannulated member having a first longitudinal axis, a distal end and a proximal end, the distal end including at least one cutting element; and
a handle extending along a second longitudinal axis, wherein the first and second longitudinal axes form an angle with respect to each other;
a trocar having a distal end with a sharpened tip and a proximal end configured to receive a strike pin, the trocar positioned within the cannulated member such that the distal end extends beyond the elongated cannulated member. - View Dependent Claims (8, 9, 10)
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11-26. -26. (canceled)
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27. A method of providing spinal fixation in a cervical spine, the method comprising:
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advancing a distal end of an elongated cannulated member to a first, superior vertebrae in the cervical spine;
advancing at least one flexible transmission member through the elongated cannulated member; and
inserting a distal end of a fixation device through the elongated cannulated member and through the first vertebrae and into the second vertebrae; and
wherein the at least one flexible transmission member is used to perform at least one of the following steps;
tap a hole in the cervical spine;
rotate the fixation device;
orapply proximal retraction to a portion of the fixation device.
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28. (canceled)
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29. A system for coupling a first superior vertebra of a cervical spine to a second inferior vertebra, the system comprising:
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a fixation device having a distal end and a proximal end, the distal end configured to extend between the first superior vertebra and the second inferior vertebra;
at least one cannulated device; and
at least one flexible member. - View Dependent Claims (30, 31, 32, 33, 34)
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Specification