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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | UP-0367514 (2006-03-03) |
| 등록번호 | US-7824400 (2010-11-22) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 14 인용 특허 : 465 |
A circuit is disclosed which minimizes the amount of tissue vaporized during a first half (positive half cycle) of an electrosurgical current cycle and minimizes the amount of current applied to tissue during a second half (negative half cycle) of the electrosurgical current cycle to control thermal
A circuit is disclosed which minimizes the amount of tissue vaporized during a first half (positive half cycle) of an electrosurgical current cycle and minimizes the amount of current applied to tissue during a second half (negative half cycle) of the electrosurgical current cycle to control thermal spread. The circuit is preferably provided within an electrosurgical generator which is capable of controlling the amount of energy delivered to a patient during electrosurgery on a per arc basis.
What is claimed is: 1. A circuit for controlling arc energy from an electrosurgical generator, said circuit comprising: a diode-resistor block configured in series with an output current generated by an electrosurgical generator, said diode-resistor block configured to limit the amount of output cu
What is claimed is: 1. A circuit for controlling arc energy from an electrosurgical generator, said circuit comprising: a diode-resistor block configured in series with an output current generated by an electrosurgical generator, said diode-resistor block configured to limit the amount of output current for at least one half cycle of the output current wherein said diode-resistor block is connected in series with tissue and includes a pair of diodes biased opposite from each other for splitting the output current into two paths, wherein each of the two paths includes one of a resistor and a potentiometer in series with a respective diode of the pair of diodes. 2. A circuit according to claim 1, wherein said diode-resistor block is connected in parallel with said output current generated by the electrosurgical generator. 3. A circuit for controlling arc energy from an electrosurgical generator, said circuit comprising: means for receiving an output current generated by an electrosurgical generator; a diode-resistor block electrically connected to said means for receiving the output current, said diode-resistor block configured to limit the amount of output current for at least one half cycle of the output current, wherein said diode-resistor block is connected in parallel with tissue and includes a pair of diodes biased opposite from each other for splitting the output current into two paths, wherein each of the two paths includes one of a resistor and a potentiometer in series with a respective diode of the pair of diodes. 4. A current according to claim 3, wherein said diode-resistor block is connected in series to said means for receiving the output current. 5. A circuit according to claim 3, wherein said diode-resistor block is connected in parallel with said means for receiving the output current.
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