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US 2019/0167334 A1Published application
Ceramic tip for gas-assisted electrosurgical probe
AssigneeUS Patent Innovations, LLC
InventorsJerome Canady, Feng Yan, Taisen Zhuang
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Abstract
An apparatus for gas-assisted electrosurgery having a gas-assisted electrosurgical probe comprising a tube and an electrode within said tube, wherein a distal end portion of said electrode extends from an opening at a distal end of said tube and an electrically insulating tip connected to a distal end of said electrode. The electrically insulating tip has a substantially hemispherical distal end portion having a radius r1 and a proximal portion having a circular cross-section and a central axis of a length l1, wherein 11>r1.
Claims12
A probe for gas-assisted electrosurgery comprising:
- a gas-assisted electrosurgical probe comprising a tube and an electrode within said tube, wherein a distal end portion of said electrode extends from an opening at a distal end of said tube;
- an electrically insulating tip connected to a distal end of said electrode, said electrically insulating tip comprising:
- a substantially hemispherical distal end portion having a radius rc;
- a proximal portion having a circular cross-section and a central axis of a length L1;
- wherein L1>rc.
2 more elements
Dependencies are inferred from the claim text.