SYSTEM AND METHOD OF AN ELECTROSURGICAL CONTROLLER WITH OUTPUT RF ENERGY CONTROL
First Claim
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1. An electrosurgical controller comprising:
- a wand connector disposed on an outer surface of the electrosurgical controller, the wand connector configured to couple to a connector of an electrosurgical wand, and the wand connector comprising a plurality of electrical pins;
a voltage generator comprising;
a first active terminal coupled to a first electrical pin of the wand connector;
a first return terminal coupled to a second electrical pin of the wand connector; and
a transformer comprising a primary winding and a secondary winding, the secondary winding defines the first active and first return terminals;
the electrosurgical controller is configured to change a first output voltage on the first active terminal relative to the first return terminal by selective control of a number of turns of the primary winding used to create the output voltage.
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Abstract
An electrosurgical controller with output RF energy control. At least some of the illustrative embodiments are electrosurgical controllers configured to change a first output voltage on the first active terminal relative to the first return terminal by selective control of a number of turns of the primary winding of a transformer used to create the output voltage.
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Citations
41 Claims
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1. An electrosurgical controller comprising:
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a wand connector disposed on an outer surface of the electrosurgical controller, the wand connector configured to couple to a connector of an electrosurgical wand, and the wand connector comprising a plurality of electrical pins; a voltage generator comprising; a first active terminal coupled to a first electrical pin of the wand connector; a first return terminal coupled to a second electrical pin of the wand connector; and a transformer comprising a primary winding and a secondary winding, the secondary winding defines the first active and first return terminals; the electrosurgical controller is configured to change a first output voltage on the first active terminal relative to the first return terminal by selective control of a number of turns of the primary winding used to create the output voltage. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method comprising:
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providing radio frequency (RF) energy at a first voltage to an electrosurgical wand; and
thenchanging a number of utilized turns of a primary winding of a transformer through which the RF energy moves; and
therebyproviding RF energy at a second voltage, different than the first voltage, to the electrosurgical wand. - View Dependent Claims (17, 18, 19, 20, 21)
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22. An electrosurgical controller comprising:
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a wand connector disposed on an outer surface of the electrosurgical controller, the wand connector configured to couple to a connector of an electrosurgical wand, and the wand connector comprising a plurality of electrical pins; a voltage generator comprising; an alternating current (AC) to direct current (DC) (AC-to-DC) conversion circuit; a primary winding of a transformer coupled to the AC-to-DC conversion circuit; and a secondary winding of the transformer, the secondary winding defines a first active terminal coupled to a first electrical pin of the wand connector and a second active terminal coupled to a second electrical pin of the wand connector; the electrosurgical controller is configured to simultaneously provide radio frequency (RF) energy having a first voltage to the first electrical pin and RF energy having a second voltage to the second electrical pin, wherein the first voltage is higher than the second voltage. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30)
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31. An electrosurgical controller comprising:
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a wand connector disposed on an outer surface of the electrosurgical controller, the wand connector configured to couple to a connector of an electrosurgical wand, and the wand connector comprising a plurality of electrical pins; a voltage generator comprising; a transformer comprising a primary winding and a secondary winding; a first active terminal of the secondary winding, the first active terminal coupled to a first electrical pin of the wand connector; a first return terminal of the secondary winding, the first return terminal coupled to a second electrical pin of the wand connector; a second active terminal of the secondary winding; a third active terminal of the secondary winding; a relay circuit coupled to the second and third active terminals, the relay circuit configured to selectively, and mutually exclusively, couple the second and third active terminals a third electrical pin of the wand connector; the electrosurgical controller is configured to simultaneously provide radio frequency (RF) energy having a first voltage to the first electrical pin and RF energy having a second voltage to the second electrical pin, wherein the first voltage is higher than the second voltage. - View Dependent Claims (32, 33, 34, 35, 36)
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37. A method comprising:
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providing a first radio frequency (RF) energy at a first voltage to a first electrode of an electrosurgical wand; and
simultaneously providing a second radio frequency (RF) energy at a second voltage through a first winding of a secondary winding of a transformer to a second electrode of an electrosurgical wand, and the first voltage different than the second voltage; and
thenceasing providing the second RF energy; and providing a third RF energy at a third voltage to the second electrode by way of a second winding of the secondary winding of a transformer, the second voltage different than the third voltage, and the third RF energy provided simultaneously with the first RF energy. - View Dependent Claims (38, 39, 40, 41)
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Specification