Electrosurgical devices, systems and methods of using the same
First Claim
Patent Images
1. A surgical device for operation on a target tissue, the surgical device comprising:
- a shaft including a proximal portion defining a longitudinal axis and a distal portion;
a suction lumen supported by the shaft and being adapted to connect to a vacuum source; and
an electrode supported at the distal portion of the shaft, the electrode including;
a non-conductive portion including a non-conductive scraping edge spaced apart from the suction lumen; and
a conductive portion extending distally from the non-conductive portion, wherein the non-conductive scraping edge of the non-conductive portion extends proximally beyond the conductive portion.
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Accused Products
Abstract
A desiccation device for operation on a target tissue includes a handle, a shaft extending distally from the handle, and a head. The shaft defines a lumen therethrough, and the head has a loop configuration supported on a distal end of the shaft. The head is hollow and defines a lumen therethrough. The lumen is in fluid communication with the lumen of the shaft. At least a portion of the head is electrically connected to a source of electrosurgical energy. A fluid is circulatable through the lumen of the shaft and the head.
189 Citations
20 Claims
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1. A surgical device for operation on a target tissue, the surgical device comprising:
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a shaft including a proximal portion defining a longitudinal axis and a distal portion; a suction lumen supported by the shaft and being adapted to connect to a vacuum source; and an electrode supported at the distal portion of the shaft, the electrode including; a non-conductive portion including a non-conductive scraping edge spaced apart from the suction lumen; and a conductive portion extending distally from the non-conductive portion, wherein the non-conductive scraping edge of the non-conductive portion extends proximally beyond the conductive portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19)
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10. A method of performing a surgical procedure, the method comprising:
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providing a surgical device for operation on a target tissue, the surgical device including; a shaft having a proximal portion defining a longitudinal axis and a distal portion; a suction lumen supported by the shaft and adapted to connect to a vacuum source; and an electrode supported at the distal portion of the shaft, the electrode including; a non-conductive portion; and a conductive portion extending distally from the non-conductive portion; applying electrosurgical energy to the electrode to treat target tissue; moving the electrode in a proximal direction thereby scraping at least a portion of the treated target tissue with a non-conductive scraping edge of the non-conductive portion of the electrode; and aspirating at least a portion of the treated target tissue through the suction lumen. - View Dependent Claims (11)
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20. A surgical device for operation on a target tissue, the surgical device comprising:
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a shaft including a proximal portion defining a longitudinal axis and a distal portion; a suction lumen supported by the shaft and being adapted to connect to a vacuum source; and an electrode supported at the distal portion of the shaft, the electrode including; a non-conductive portion including a non-conductive scraping edge spaced apart from the suction lumen; and a conductive portion extending distally from the non-conductive portion, wherein the conductive portion of the electrode has a distally-oriented surface that is disposed distally in relation to the non-conductive scraping edge of the non-conductive portion of the electrode.
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Specification