Method and apparatus for spinal procedures
First Claim
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1. Apparatus configured for entering the spine of a body of a live human patient through separate first and second incisions, made in the patient adjacent to different vertebrae in the spine, to remove material from the spine, the apparatus comprising:
- a handle;
first and second elongate extensions, attached to said handle, long enough to extend, simultaneously, from the handle respectively through the first and second incisions to separate first and second locations along the length of the spine; and
a flexible rasp configured to pass along the first extension into the body through the first incision and up to the first location on the spine, through a spinal channel from the first location to the second location, and from the second location along the second extension out of the body through the second incision.
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Abstract
A method of treating spinal stenosis, in which a rasp is brought through a part of a spinal channel and then axially moved so that the rasp removes a stenosis in the spinal channel. Optionally, a shield protects a spinal cord or other sensitive tissues in the spinal channel.
173 Citations
52 Claims
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1. Apparatus configured for entering the spine of a body of a live human patient through separate first and second incisions, made in the patient adjacent to different vertebrae in the spine, to remove material from the spine, the apparatus comprising:
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a handle; first and second elongate extensions, attached to said handle, long enough to extend, simultaneously, from the handle respectively through the first and second incisions to separate first and second locations along the length of the spine; and a flexible rasp configured to pass along the first extension into the body through the first incision and up to the first location on the spine, through a spinal channel from the first location to the second location, and from the second location along the second extension out of the body through the second incision.
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2. Apparatus for removing bone, comprising:
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a handle; a first extension attached to said handle; a second extension attached to said handle; a flexible rasp adapted for passage through a spinal channel of a live human, extending between a tip of said first extension and a tip of said second extension; and means for affixing said apparatus to a vertebra. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48)
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49. Apparatus for spinal stenosis treatment, comprising:
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means for guiding a rasp through a part of a spinal channel defined by at least one vertebra; means for holding said rasp on either side of said part of a channel and outside a human or animal body including said vertebra; and means for moving said rasp to remove a spinal stenosis in said spinal channel.
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50. A method of treating spinal stenosis in a live human patient with a flexible rasp, the method comprising:
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making a first incision and a second incision in the body of the patient; contacting the spine through one of the incisions with a device for guiding the rasp; passing the rasp from outside the body, through the first incision to a first location on the spine; passing the rasp through the spinal channel from the first location to a second location on the spine; passing the rasp out of the spine at the second location, and out of the body through the second incision; and moving the rasp in order to remove tissue from the spinal channel; wherein at least part of passing the rasp is guided by the rasp guiding device. - View Dependent Claims (51, 52)
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Specification