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US 2004/0176760 A1Published application
Electrosurgical apparatus with cooling device
OwnerXue Hua Qiuinventor
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Abstract
The present invention relates to an electrosurgical apparatus with a cooling device for removing undesired tissues, such as tumors. The electrosurgical apparatus can be used to remove tissue and to coagulate tissue at the same time.
Claims10
An electrosurgical apparatus for tissue removal, comprising:
- a substantially hollow elongated body terminating in a sharp closed cutting head;
- an insulative layer covering said elongated body;
- said elongated body forming a portion of a coolant path;
- a handle located at an end of said elongated body opposite from said cutting head;
- coolant inlet/outlet connectors connected to said handle for introducing a coolant into said coolant path of said elongated body and releasing said coolant therefrom;
- and
- a radio-frequency energy input connector connected to said elongated body.
4 more elements
An electrosurgical apparatus for tissue removal, comprising:
- a substantially hollow elongated body terminating in a closed cutting head;
- wherein said elongated body comprises a metal tube which is folded over to form a loop section and a fork section having two legs;
- an insulative layer covering said elongated body;
- said elongated body forming a portion of a coolant path;
- a handle located at an end of said elongated body opposite from said cutting head;
- coolant inlet/outlet connectors connected to said handle for introducing a coolant into said coolant path of said elongated body and releasing said coolant therefrom;
- and
- a radio-frequency energy input connector connected to said elongated body.
5 more elements
Dependencies are inferred from the claim text.