SYSTEMS AND METHODS FOR CREATING CURVED PATHS THROUGH BONE AND MODULATING NERVES WITHIN THE BONE
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Abstract
System and methods for channeling a path into bone include a trocar having a proximal end, distal end and a central channel disposed along a central axis of the trocar. The trocar includes a distal opening at or near the distal end of the trocar. The system includes a curved cannula sized to be received in the central channel, and having a curved distal end configured to be extended laterally outward from the distal opening in a curved path extending away from the trocar. The curved cannula has a central passageway having a diameter configured allow a probe to be delivered through the central passageway to a location beyond the curved path.
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Citations
69 Claims
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1-49. -49. (canceled)
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50. A system for channeling a path into bone, comprising:
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an introducer having a proximal end, a distal end and a central channel, wherein the central channel is disposed along a central axis of the introducer and extends from the proximal end toward the distal end, wherein the introducer comprises a distal opening at or near the distal end of the introducer, the distal opening being in communication with the central channel, wherein the introducer is configured to be deployed through a cortical bone region and into a cancellous bone region of a vertebral body; a curved cannula sized to be received in said central channel and delivered from the proximal end toward said distal opening, wherein the curved cannula comprises a curved distal end configured to be extended laterally outward from the distal opening in a curved path extending away from the introducer, wherein the curved path is generated though at least a portion of the cancellous bone region of the vertebral body, wherein the curved cannula comprises a central passageway having a diameter configured to allow a treatment device to be delivered through the central passageway; and a treatment device configured to be delivered through the central passageway to a location at or beyond the curved path, wherein the proximal end of the introducer comprises a handle comprising; a proximal recess, wherein the proximal recess is in communication with the central channel to allow reciprocation of the curved cannula within the central channel; and a lateral slot in communication with said proximal recess, the lateral slot extending radially outward from the proximal recess at a proximal surface of the handle, wherein the lateral slot is configured to allow insertion of the curved cannula such that a central axis of the straight tubular body is at an angle with respect to the central axis of the introducer when the curved distal end of the curved cannula is inserted into the proximal recess. - View Dependent Claims (51, 52, 53, 54, 55, 56, 57)
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58. A system for channeling a path into bone, comprising:
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an introducer comprising a proximal end, a distal end and a central channel, wherein the central channel is disposed along a central axis of the introducer and extends from the proximal end toward the distal end, wherein the introducer comprises a distal opening at or near the distal end of the introducer, the distal opening being in communication with the central channel; a curved cannula sized to be received in said central channel and delivered from the proximal end toward said distal opening, wherein the curved cannula comprises a straight tubular body at a proximal end and a curved distal end, wherein the curved distal end is configured to be extended laterally outward from the distal opening in a curved path extending away from the introducer, wherein the proximal end of the introducer comprises a handle comprising; a proximal recess, wherein the proximal recess is in communication with the central channel to allow reciprocation of the curved cannula within the central channel; and a lateral slot in communication with said proximal recess, the lateral slot extending radially outward from the proximal recess at a proximal surface of the handle, wherein the lateral slot is configured to allow insertion of the curved cannula such that a central axis of the straight tubular body is at an angle with respect to the central axis of the introducer when the curved distal end of the curved cannula is inserted into the proximal recess. - View Dependent Claims (59, 60, 61, 62, 63, 64, 65)
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66. A method for channeling a path into a vertebral body of a patient, comprising:
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inserting an introducer into the vertebral body, the introducer comprising a proximal end, a distal end and a central channel, wherein the central channel is disposed along a central axis of the introducer and extends from the proximal end toward the distal end, wherein the introducer comprises a distal opening at or near the distal end of the introducer, the distal opening being in communication with the central channel, wherein the proximal end of the introducer comprises a handle comprising a proximal recess in communication with the central channel and a lateral slot in communication with said proximal recess, the lateral slot extending radially outward from the proximal recess at a proximal surface of the handle, wherein the central channel is sized to receive a curved cannula, the curved cannula comprising a straight tubular body at a proximal end of the curved cannula and a curved distal end, wherein the curved distal end of the curved cannula is deformable so as to be delivered in a straight configuration through the introducer; inserting the curved distal end of the curved cannula into said proximal recess through the lateral slot and such that a central axis of the straight tubular body is at an angle with respect to the central axis of the introducer; advancing the curved cannula into the proximal recess, thereby straightening the curved distal end; advancing the curved cannula within said central channel from the proximal end toward the distal opening; and extending the curved distal end laterally outward from the distal opening to generate a curved path radially outward from the introducer. - View Dependent Claims (67, 68, 69)
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Specification