Radio frequencey catheter to target ligamentum flavum
AssigneeKyphon SARL
InventorMojan Goshayeshgar
Life of this patent
Estimating the term…
Abstract
A device for performing a surgical procedure an elongated shaft extending between a proximal end and a distal end and includes an outer surface and an inner surface, the inner surface defining a passageway. A stylet configured for moveable disposal within the passageway of the elongated shaft. The stylet includes a blunt distal tip configured for disposal outside the distal end of the elongated shaft and to prevent damage to adjacent tissue. An expandable member including a proximal end and a distal end. The proximal end of the expandable member is disposed with the distal end of the elongated shaft and the distal end of the expandable member is connected to the distal end of the stylet. At least one electrode disposed with the expandable member.
Claims20
A device for performing a surgical procedure comprising:
- an elongated shaft extending between a proximal end and a distal end and includes an outer surface and an inner surface, the inner surface defining a passageway;
- a stylet configured for moveable disposal within the passageway of the elongated shaft and the stylet includes a blunt distal tip configured for disposal outside the distal end of the elongated shaft and to prevent damage to adjacent tissue;
- an expandable member including a proximal end and a distal end, wherein the proximal end of the expandable member is disposed with the distal end of the elongated shaft and the distal end of the expandable member is connected to the distal end of the stylet;
- and
- at least one electrode disposed with the expandable member.
A device for ablating tissue comprising:
- a cannula extending between a proximal end and a distal end and includes an outer surface and an inner surface, the inner surface defining a passageway;
- a stylet configured for moveable disposal within the passageway of the elongated shaft and the stylet includes a blunt distal tip configured for disposal outside the distal end of the elongated shaft and to prevent damage to adjacent tissue;
- an expandable cage including a proximal end and a distal end, wherein the proximal end of the expandable cage is disposed with the distal end of the elongated shaft and the distal end of the expandable cage is connected to the distal end of the stylet;
- and
- at least one RF electrode disposed with the expandable cage.
A method for ablating tissue at a surgical site comprising:
- providing a device comprising:
- a cannula extending between a proximal end and a distal end and includes an outer surface and an inner surface, the inner surface defining a passageway;
- a stylet configured for moveable disposal within the passageway of the elongated shaft and the stylet includes a blunt distal tip configured for disposal outside the distal end of the elongated shaft and to prevent damage to adjacent tissue;
- an expandable cage including a proximal end and a distal end, wherein the proximal end of the expandable cage is disposed with the distal end of the elongated shaft and the distal end of the expandable cage is connected to the distal end of the stylet;
- and
- at least one RF electrode disposed with the expandable cage;
- creating an access path to the surgical site;
- inserting the expandable cage into the surgical site and extending the stylet to expand the expandable cage;
- and
- emitting RF signals through the electrodes to thermally ablate tissue.
Dependencies are inferred from the claim text.