PLASMA-GENERATING DEVICE, PLASMA SURGICAL DEVICE AND USE OF A PLASMA SURGICAL DEVICE
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0 Petitions
Accused Products
Abstract
The present invention relates to a plasma-generating device, comprising an anode, a cathode and at least one intermediate electrode, said intermediate electrode being arranged at least partly between said anode and said cathode, and said intermediate electrode and said anode forming at least a part of a plasma channel which has an opening in said anode. Further, the plasma-generating device comprises at least one coolant channel which is arranged with at least one outlet opening which is positioned beyond, in the direction from the cathode to the anode, said at least one intermediate electrode, and the channel direction of said coolant channel at said outlet opening has a directional component which is the same as that of the channel direction of the plasma channel at the opening thereof. The invention also concerns a plasma surgical device and use of such a plasma surgical device.
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Citations
43 Claims
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1-23. -23. (canceled)
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24. A plasma-generating device, comprising:
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a plasma chamber configured to generate plasma; a cathode having a tapering tip, the tapering tip having a first portion disposed proximal to the plasma chamber and a second portion extending into the plasma chamber; and a coolant channel configured to receive a coolant such that the coolant flowing through the coolant channel can cool a portion of the plasma-generating device adjacent to the cooling channel. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31)
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32. A plasma-generating device, comprising:
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a cathode having a tapering tip; a sleeve having a portion that surrounds a portion of the tapering tip, the portion of the sleeve having a substantially constant inner diameter such that a space between an inner surface of the sleeve and the cathode increases along a length of the tapering tip in a distal direction; and a coolant channel configured to receive a coolant such that the coolant flowing through the coolant channel can cool a portion of the plasma-generating device adjacent to the cooling channel. - View Dependent Claims (33, 34, 35, 36)
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37. A plasma-generating device, comprising:
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an insulator sleeve having a distal end; a cathode having a tapered portion, the tapered portion having a first portion disposed within the insulator sleeve and a second portion projecting beyond the insulator sleeve; a plasma channel extending longitudinally from the cathode and having an outlet at an end of the plasma channel; and a coolant channel configured to receive a coolant such that the coolant flowing through the coolant channel can cool a portion of the plasma-generating device adjacent to the cooling channel. - View Dependent Claims (38, 39, 40, 41, 42, 43)
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Specification