Expandable support device and method of use
First Claim
Patent Images
1. An expandable implant device comprising:
- a body having a length along a first axis, a width along a second axis, and a height along a third axis, and a substantially hollow interior;
wherein the body includes a first plurality of panels connected by flexible joints between adjacent panels, and a second plurality of panels connected by flexible joints between adjacent panels, wherein the first and second plurality of panels connect to end panels of the body, the body assuming a first, unexpanded configuration having a first length along the first axis, the body assuming a second, expanded configuration having a second length along the first axis, the second length being shorter than the first length, such that when the body is in the second, expanded configuration, the body is compressed along the first axis and the first panels move away from each other along the second axis, and wherein when the body is in the first, unexpanded configuration a non-straight angle formed between adjacent panels of the first plurality of panels and wherein at least one of the first plurality of panels has a port extending through the at least one panel; and
struts connecting said first plurality of panels to said second plurality of panels, wherein the struts are disposed within said substantially hollow interior;
wherein the body has openings at the ends of the body along the first axis to engage a compression tool.
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Abstract
An expandable support device for tissue repair is disclosed. The device can be used to repair hard or soft tissue, such as bone or vertebral discs. A method of repairing tissue is also disclosed. The device and method can be used to treat compression fractures. The compression fractures can be in the spine. The device can be deployed by compressing the device longitudinally resulting in radial expansion.
575 Citations
27 Claims
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1. An expandable implant device comprising:
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a body having a length along a first axis, a width along a second axis, and a height along a third axis, and a substantially hollow interior; wherein the body includes a first plurality of panels connected by flexible joints between adjacent panels, and a second plurality of panels connected by flexible joints between adjacent panels, wherein the first and second plurality of panels connect to end panels of the body, the body assuming a first, unexpanded configuration having a first length along the first axis, the body assuming a second, expanded configuration having a second length along the first axis, the second length being shorter than the first length, such that when the body is in the second, expanded configuration, the body is compressed along the first axis and the first panels move away from each other along the second axis, and wherein when the body is in the first, unexpanded configuration a non-straight angle formed between adjacent panels of the first plurality of panels and wherein at least one of the first plurality of panels has a port extending through the at least one panel; and struts connecting said first plurality of panels to said second plurality of panels, wherein the struts are disposed within said substantially hollow interior; wherein the body has openings at the ends of the body along the first axis to engage a compression tool. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An expandable implant device comprising:
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a body having a length along a first axis, a width along a second axis, and a height along a third axis, and a substantially hollow interior; wherein the body includes a first plurality of panels connected by flexible joints between adjacent panels, and a second plurality of panels connected by flexible joints between adjacent panels, wherein the first and second plurality of panels connect to end panels of the body, the body assuming a first, unexpanded configuration having a first length along the first axis, the body assuming a second, expanded configuration having a second length along the first axis, the second length being shorter than the first length, such that when the body is in the second, expanded configuration, the body is compressed along the first axis and the first panels move away from each other along the second axis. and wherein when the body is in the first, unexpanded configuration a non-straight angle formed between adjacent panels of the first plurality of panels and wherein at least one of the first plurality of panels has a port extending through the at least one panel; a first strut and a second strut, wherein the first strut is rotatably attached to the second strut, and wherein the first strut is attached to the first plurality of panels, and wherein the second strut is attached to the second plurality of panels; and wherein the body has openings at the ends of the body along the first axis to engage a compression tool. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24)
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25. An expandable implant device comprising:
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a body having a length, width and height, and a substantially hollow interior; a first plurality of interconnected panels, wherein at least two adjacent panels of the first plurality of interconnected panels form a non-straight angle with each other when the device is in a longitudinally expanded configuration, and wherein at least one of the first plurality of interconnected panels has a port extending through the at least one panel; a second plurality of interconnected panels positioned opposite to the first panels; a first body end connecting said first plurality of panels to said second plurality of panels at a first end of the device, and a second body end connecting said first plurality of panels to said second plurality of panels at a second end of the device; and a first strut and a second strut, wherein the first strut is rotatably attached to the second strut, and wherein the first strut is attached to the first plurality of interconnected panels, and wherein the second strut is attached to the second plurality of interconnected panels; said first body end having a first tool engagement port and the second body end having a second tool engagement port, wherein a longitudinal axis is defined between the first tool engagement port and the second tool engagement port, and wherein the first and second tool engagement ports can be configured to attach to a tool that can force the first tool engagement port toward the second tool engagement port; wherein a transverse axis is defined between the first plurality of panels and the second plurality of panels. and wherein the transverse axis is perpendicular to the longitudinal axis. - View Dependent Claims (26, 27)
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Specification