Electrosurgical apparatus with cooling device
First Claim
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1. 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.
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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.
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Citations
10 Claims
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1. An electrosurgical apparatus for tissue removal, comprising:
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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. - View Dependent Claims (2, 3, 4, 5)
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6. An electrosurgical apparatus for tissue removal, comprising:
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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. - View Dependent Claims (7, 8, 9, 10)
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Specification