Electrosurgical instrument
First Claim
Patent Images
1. An electrosurgical instrument comprising:
- a handpiece,an electrode assembly comprising one or more electrodes attached to the handpiece, andconnection means for connecting the handpiece to an electrosurgical generator,the handpiece comprising;
a housing containing a reservoir of cooling fluid,fluid supply lines for directing a cooling fluid to and from the electrode assembly, anda pump for driving cooling fluid through the fluid supply lines, the pump and the fluid supply lines both being wholly contained within the housing,the handpiece being such that there are two possible arrangements for the fluid reservoir, a first arrangement in which the reservoir is not connected to the fluid supply lines, and a second arrangement in which the reservoir is connected to the fluid supply lines.
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Accused Products
Abstract
An electrosurgical instrument includes a handpiece, an electrode assembly comprising one or more electrodes attached to the handpiece, and connection means for connecting the handpiece to an electrosurgical generator. The handpiece comprises a housing, fluid supply lines for directing a cooling fluid to and from the electrode assembly, and a pump for driving cooling fluid through the fluid supply lines. The handpiece may also include a fluid reservoir. The pump, the fluid supply lines, and the reservoir are all wholly contained within the housing.
1248 Citations
9 Claims
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1. An electrosurgical instrument comprising:
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a handpiece, an electrode assembly comprising one or more electrodes attached to the handpiece, and connection means for connecting the handpiece to an electrosurgical generator, the handpiece comprising; a housing containing a reservoir of cooling fluid, fluid supply lines for directing a cooling fluid to and from the electrode assembly, and a pump for driving cooling fluid through the fluid supply lines, the pump and the fluid supply lines both being wholly contained within the housing, the handpiece being such that there are two possible arrangements for the fluid reservoir, a first arrangement in which the reservoir is not connected to the fluid supply lines, and a second arrangement in which the reservoir is connected to the fluid supply lines. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification