Nerve modulation systems
First Claim
1. A system for accessing and treating a target treatment site within bone, the system comprising:
- an elongate shaft having a proximal end and a distal end,wherein the proximal end comprises a handle,wherein the elongate shaft comprises a central lumen extending from the proximal end to the distal end;
a cannula;
a first stylet;
a second stylet; and
a radiofrequency (“
RF”
) energy delivery device configured to deliver energy to the target treatment site,wherein the cannula comprises an internal passageway and a first alignment member at a proximal portion of the cannula,wherein the first stylet is sized such that at least a distal tip of the first stylet extends beyond an opening at a distal end of the cannula,wherein the cannula and the first stylet are together configured to be introduced through the central lumen of the elongate shaft,wherein the distal tip of the first stylet is configured to form a first path toward the target treatment site within a cancellous region of the bone as at least the distal tip of the first stylet is advanced beyond the distal end of the elongate shaft,wherein the second stylet is configured to be inserted within the internal passageway of the cannula upon removal of the first stylet,wherein a distal tip of the second stylet is configured to be advanced beyond the opening at the distal end of the cannula to form a second path beyond the first path,wherein the RF energy delivery device is configured to be inserted within the internal passageway of the cannula upon removal of the second stylet and advanced until at least a distal end portion of the RF energy delivery device is beyond the opening at the distal end of the cannula and positioned along the second path, andwherein the RF energy delivery device is configured to heat the target treatment site sufficient to denervate a nerve within the bone.
1 Assignment
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Accused Products
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 the distal end of the trocar. The system includes a curved cannula sized to be received in the central channel, the curved cannula comprising a curved distal end configured to be extended outward from the distal opening to generate a curved path extending away from the trocar. The curved cannula has a central passageway having a diameter configured to allow a treatment device to be delivered through the central passageway to a location beyond the curved path.
694 Citations
20 Claims
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1. A system for accessing and treating a target treatment site within bone, the system comprising:
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an elongate shaft having a proximal end and a distal end, wherein the proximal end comprises a handle, wherein the elongate shaft comprises a central lumen extending from the proximal end to the distal end; a cannula; a first stylet; a second stylet; and a radiofrequency (“
RF”
) energy delivery device configured to deliver energy to the target treatment site,wherein the cannula comprises an internal passageway and a first alignment member at a proximal portion of the cannula, wherein the first stylet is sized such that at least a distal tip of the first stylet extends beyond an opening at a distal end of the cannula, wherein the cannula and the first stylet are together configured to be introduced through the central lumen of the elongate shaft, wherein the distal tip of the first stylet is configured to form a first path toward the target treatment site within a cancellous region of the bone as at least the distal tip of the first stylet is advanced beyond the distal end of the elongate shaft, wherein the second stylet is configured to be inserted within the internal passageway of the cannula upon removal of the first stylet, wherein a distal tip of the second stylet is configured to be advanced beyond the opening at the distal end of the cannula to form a second path beyond the first path, wherein the RF energy delivery device is configured to be inserted within the internal passageway of the cannula upon removal of the second stylet and advanced until at least a distal end portion of the RF energy delivery device is beyond the opening at the distal end of the cannula and positioned along the second path, and wherein the RF energy delivery device is configured to heat the target treatment site sufficient to denervate a nerve within the bone. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A system for accessing and treating a target treatment location within bone, the system comprising:
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an elongate shaft having a proximal end and a distal end, wherein the elongate shaft comprises a central lumen extending from the proximal end to the distal end; a cannula having an internal passageway and an opening at a distal end of the cannula; a first stylet sized to be advanced through the internal passageway of the cannula until a distal tip of the first stylet extends to or beyond the opening at the distal end of the cannula, thereby facilitating formation of a first path within the bone as the cannula and the first stylet are advanced through and beyond the central lumen of the elongate shaft toward the target treatment location within the bone; a second stylet sized to be advanced through the internal passageway of the cannula until a distal tip of the second stylet extends beyond the opening at the distal end of the cannula to form a second path beyond the first path within the bone; an energy delivery device configured to deliver energy to heat the target treatment location; wherein, after removal of the second stylet, the energy delivery device is sized and configured to be advanced through the internal passageway of the cannula and out of the opening at the distal end of the cannula to a position along the second path, and wherein the energy is configured to heat the target treatment location sufficient to denervate a nerve at the target treatment location. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A system for accessing and treating a target region within bone, the system comprising:
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an elongate shaft having a proximal end and a distal end, wherein the elongate shaft comprises a central lumen extending from the proximal end to the distal end; a cannula, wherein the cannula comprises an internal passageway; a first stylet, wherein the first stylet is configured for insertion into and through the internal passageway of the cannula such that a distal tip of the first stylet extends beyond an opening at a distal end of the cannula, wherein the cannula and the first stylet are configured to together form a first channel toward the target region within the bone; a second stylet configured to be inserted within the internal passageway of the cannula after removal of the first stylet from the cannula and sized to be advanced through the internal passageway of the cannula until a distal tip of the second stylet extends beyond the opening at the distal end of the cannula to form a second channel beyond the first channel within the bone; and a treatment device sized and configured to be delivered through the internal passageway of the cannula and advanced out of the opening at the distal end of the cannula to a position along the second channel within the bone. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification