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US 2014/0155695 A1Published application
Cannulotome
AssigneeSpine View, Inc.
InventorsLex P. Jansen, John To, John Davis, Stewart Kume, Wendy Twardzik
Life of this patent
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Abstract
Systems and methods for treating spinal stenosis include endoscopic access devices and bone removal devices used to perform a foraminotomy or other bone removal procedures. A bone removal device includes a cannulotome with an endoscopic imaging lumen. Optionally, an endoscope retaining device can be used to facilitate advancement of the endoscope through the cannulotome.
Claims8
-23. (canceled)
A method for spinal surgery comprising:
- inserting a cannulotome with a proximal handle, an elongate shaft with a lumen therethrough, and a tapered cutter at the distal end of the shaft through an introducer cannula;
- advancing an endoscope assembly comprising an endoscope coupled to an endoscope retaining device through the lumen of the cannulotome, wherein the endoscope retaining device comprises a channel therethrough;
- advancing the introducer cannula to a target spine region;
- tapping the cannulotome handle with a mallet to remove bony or calcified tissue while simultaneously visualizing the removal of the tissue through a lumen of the cannulotome.
1 more element
Dependencies are inferred from the claim text.