Methods of performing embolism-free vertebroplasty and devices therefor
First Claim
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1. A method of preparing a fractured vertebral body having a porous cancellous bone structure having an open porosity and soft tissue contained therein, comprising the steps of:
- a) removing at least a portion of the interstitial soft tissue from the cancellous bone structure of the fractured vertebral body to create a skeleton, andb) injecting bone paste into the skeleton.
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Abstract
This invention relates to improved vertebroplasty procedures for reducing embolisms, leakage and cement loosening.
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Citations
31 Claims
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1. A method of preparing a fractured vertebral body having a porous cancellous bone structure having an open porosity and soft tissue contained therein, comprising the steps of:
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a) removing at least a portion of the interstitial soft tissue from the cancellous bone structure of the fractured vertebral body to create a skeleton, and b) injecting bone paste into the skeleton. - View Dependent Claims (2, 3, 4, 5, 7, 8, 9, 10, 11, 12)
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6. The method of step 4 wherein the vein is injured by a further step of:
d) advancing a cannula into the vertebral body prior to step a).
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13. A method of preparing a tumorous vertebral body having a porous cancellous bone structure having an open porosity and soft tissue contained therein, comprising the steps of:
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a) removing at least a portion of the interstitial soft tissue from the cancellous bone structure of the tumourous vertebral body to create a skeleton, and b) injecting bone paste into the skeleton.
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14. A method of preparing an osteoporotic vertebral body having a porous cancellous bone structure having an open porosity and soft tissue contained therein, comprising the steps of:
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a) removing at least a portion of the interstitial soft tissue from the cancellous bone structure of an osteoporotic vertebral body to create a skeleton, and b) injecting bone paste into the skeleton.
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15. A structure prepared from a natural fractured vertebral body having a porous cancellous bone structure having bone marrow and fat therein, comprising:
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a) a skeleton portion disposed within the porous cancellous bone structure of the fractured vertebral body, and b) a bone paste interdigitated within at least a portion of the skeleton portion. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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30. A structure prepared from a tumorous vertebral body having a porous cancellous bone structure having bone marrow and fat therein, comprising:
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a) a skeleton portion disposed within the porous cancellous bone structure of the tumorous vertebral body, and b) a bone paste interdigitated within at least a portion of the skeleton portion.
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31. A structure prepared from an osteoporotic vertebral body having a porous cancellous bone structure having bone marrow and fat therein, comprising:
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a) a skeleton portion disposed within the porous cancellous bone structure of the osteoporotic vertebral body, and b) a bone paste interdigitated within at least a portion of the skeleton portion.
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Specification