Visualizing ablation device and procedure
First Claim
1. A visualizing ablation needle set comprising:
- a cannula comprising a hollow shaft defining a longitudinal lumen, said shaft having a proximal segment and a distal segment, wherein said distal segment comprises a distal tip configured with a tissue-gripping surface a trocar configured for inclusion in said longitudinal lumen, and;
a visualizing ablation probe configured for inclusion in said longitudinal lumen, said probe comprising an obturator configured to accommodate a laser energy delivery device and an endoscope.
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Accused Products
Abstract
A medical needle set for visualized tissue ablation within a subject'"'"'s body includes a cannula and components configured for inclusion in the cannula, including a trocar for occlusion of the cannula lumen during needle placement, and a visualizing ablation probe used for simultaneous endoscopic viewing and ablation of tissue sites with a laser beam. The cannula can include a tissue-gripping surface for stabilization of the needle set on the target tissue. A surgical system for tissue ablation includes a visualizing ablation needle set operably connected to an endoscope and a laser. A surgical procedure using this system permits simultaneous visualization and ablation of tissues, including those of the facet joints of the spine.
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Citations
2 Claims
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1. A visualizing ablation needle set comprising:
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a cannula comprising a hollow shaft defining a longitudinal lumen, said shaft having a proximal segment and a distal segment, wherein said distal segment comprises a distal tip configured with a tissue-gripping surface a trocar configured for inclusion in said longitudinal lumen, and;
a visualizing ablation probe configured for inclusion in said longitudinal lumen, said probe comprising an obturator configured to accommodate a laser energy delivery device and an endoscope.
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2. A visualizing ablation needle set comprising:
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a cannula comprising a hollow shaft defining a longitudinal lumen, said shaft having a proximal segment and a distal segment, wherein said cannula further comprises a side port disposed in said hollow shaft, said side port having a configuration for attaching a suctioning device;
a trocar configured for inclusion in said longitudinal lumen, and;
a visualizing ablation probe configured for inclusion in said longitudinal lumen, said probe comprising an obturator configured to accommodate a laser energy delivery device and an endoscope.
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Specification