Back to results
US 11,684,702 B2Granted
Gap control in electrosurgical instruments using expanded polytetrafluoroethylene
AssigneeConmed Corporation
InventorDerek Eilers
Life of this patent
Estimating the term…
Abstract
An electrosurgical device having a pair of jaws, at least one electrode supported by one of the pair of jaws, and a sheet of expanded polytetrafluoroethylene positioned in covering relation to at least a portion of the at least one electrode. The sheet may have a porosity of between thirty and ninety percent. The sheet may have a plurality of pores with an average diameter of between 0.2 and 1.0 micrometers.
Claims10
An electrosurgical device, comprising:
- a pair of jaws;
- at least one electrode supported by one of the pair of jaws;
- and
- a sheet of expanded polytetrafluoroethylene positioned in covering relation to at least a portion of the at least one electrode, wherein the sheet has a porosity of between thirty and ninety percent.
1 more element
A method of protecting an electrosurgical device, comprising the steps of:
- providing an electrosurgical device having a pair of jaws and at least one electrode supported by one of the pair of jaws;
- and
- positioning a sheet of expanded polytetrafluoroethylene in covering relation to a portion of the at least one electrode, wherein the sheet has a porosity of between thirty and ninety percent.
A method of operating an electrosurgical device, comprising the steps of:
- providing an electrosurgical device having a pair of jaws, at least one electrode supported by one of the pair of jaws, and a sheet of expanded polytetrafluoroethylene in covering relation to a portion of the at least one electrode, wherein the sheet has a porosity of between thirty and ninety percent;
- closing the electrosurgical device about a portion of tissue to be treated;
- and
- energizing the electrosurgical device to accomplish a surgical procedure without any shorting between the electrodes.
1 more element
Dependencies are inferred from the claim text.