IMPLANTABLE DEVICES AND METHODS FOR TREATING MICRO-ARCHITECTURE DETERIORATION OF BONE TISSUE
First Claim
1. An expandable stabilization device for deployment within a vertebral body of a spine comprising:
- (a) an elongate expandable shaft adapted to be positioned within the vertebral body having a first profile and a second profile;
(b) wherein the shaft is adapted to cut through cancellous bone within the vertebral body during expansion from the first profile to the second profile; and
(c) further wherein the shaft is adapted to abut a surface of cortical bone within the vertebral body without passing therethrough.
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Accused Products
Abstract
An expandable stabilization device is disclosed that is suitable for deployment within cancellous bone, including, for example, within a vertebral body of a spine. The device comprises: an elongate expandable shaft adapted to be positioned within a vertebral body having a first profile and a second profile; wherein the shaft is adapted to cut through cancellous bone within the vertebral body during expansion from the first profile to the second profile; and further wherein the shaft is adapted to abut a surface of cortical bone within the vertebral body without passing therethrough. The invention also includes a method for treating cancellous bone, such as cancellous bone of a vertebral body. The method comprises: delivering an expandable device within the cancellous bone of in an interior of a vertebral body; expanding the delivered device within the cancellous bone of the vertebra body; applying force from a surface of the device to an inner surface of a cancellous bone of the vertebral body sufficient to cut through the cancellous bone; and applying force from a surface of the device to an inner surface of a cortical bone of the vertebral body sufficient to support the vertebral body
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Citations
42 Claims
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1. An expandable stabilization device for deployment within a vertebral body of a spine comprising:
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(a) an elongate expandable shaft adapted to be positioned within the vertebral body having a first profile and a second profile;
(b) wherein the shaft is adapted to cut through cancellous bone within the vertebral body during expansion from the first profile to the second profile; and
(c) further wherein the shaft is adapted to abut a surface of cortical bone within the vertebral body without passing therethrough.
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2. An expandable stabilization device for deployment within a cancellous bone comprising:
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(a) an elongate expandable shaft adapted to be positioned within the cancellous bone having a first profile and a second profile;
(b) wherein the shaft is adapted to cut through cancellous bone during expansion from the first profile to the second profile; and
(c) further wherein the shaft is adapted to abut a surface of cortical bone adjacent the cancellous bone without passing therethrough. - 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)
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28. A system for cutting through cancellous bone within a vertebral body of a spine without cutting through cortical bone of the vertebral body comprising:
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(a) an expandable body having a first profile and a second profile wherein a surface of the expandable body is adapted to cut through cancellous bone within the vertebral body; and
(b) a delivery device having a distal end adapted to engage the expandable body to deliver the delivery device into the vertebral body.
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29. An expandable device adapted to apply force sufficient to cut through cancellous bone within a vertebral body of a spine and insufficient to cut through a cortical bone section of the vertebral body during expansion of the device wherein the device restores a height of a vertebral body to a target height.
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30. A method for treating a bone comprising:
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(a) delivering an expandable device within a cancellous bone;
(b) expanding the delivered device within the cancellous bone;
(c) applying force from a cutting surface of the device to the cancellous bone sufficient to cut through the cancellous bone; and
(d) applying force from a support surface of the device to an inner surface of a cortical bone sufficient to support the cortical bone. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37, 38)
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39. A cannula adapted to be deployed within a vertebral body of a spine comprising:
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(a) an elongate expandable tube adapted to be positioned within a vertebral body having a first profile and a second profile;
(b) wherein the tube is adapted to cut through cancellous bone located within the vertebral body during expansion from the first profile to the second profile;
(c) further wherein the tube is adapted to deliver a target material through the elongate expandable tube into the vertebral body; and
(d) further wherein the tube is adapted to abut a cortical bone surface within the vertebral body without completely passing therethrough.
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40. An expandable device for use in treating a fractured or collapsed vertebral body of a spine comprising:
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(a) a device adapted to cut through cancellous bone interior the vertebral body and abut an inner surface of cortical bone of the vertebral body comprising an elongate expandable shaft adapted to be positioned with the vertebral body having a delivery profile and a deployed profile; and
(b) wherein the device selectively expands along its length in the deployed profile to selectively restore the height of a portion of the fractured or collapsed vertebral body to a target height.
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41. A system for cutting through cancellous bone of a vertebral body of a spine comprising an expandable body having a selectively expandable surface adapted to expand in situ in an angled direction non-parallel to a median sagittal plane of a body and non-parallel to a transverse plane of a body.
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42. A stabilization device for deployment within a vertebral body of a spine comprising:
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(a) an elongate expandable shaft having a first profile and a second profile;
(b) a cutting surface on at least a portion of the expandable shaft;
(c) wherein the cutting surface cuts through cancellous bone; and
(d) further wherein the cutting surface abuts a surface of cortical bone within the vertebral body without passing therethrough.
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Specification