Electrosurgical generator

• US 9,186,202 B2
• Filed: 07/25/2014
• Issued: 11/17/2015
• Est. Priority Date: 08/28/2009
• Status: Active Grant

• Current Assignee: Covidien LP (Medtronic Plc)
• Original Assignee: Covidien LP (Medtronic Plc)
• Inventors: Gilbert, James A.
• Primary Examiner(s): Stoklosa, Joseph
• Assistant Examiner(s): ZINK, AMANDA L
• Application Number:
  US14/341,279
• Publication Number:
  US 20140336633A1
• Time in Patent Office: 480 Days
• Field of Search: 606 32- 35
• US Class Current: 1/1
• CPC Class Codes: A61B 18/1206 Generators therefor
• CPC Class Codes: A61B 18/1233 with circuits for assuring patient safety
• CPC Class Codes: A61B 18/14 Probes or electrodes therefor
• CPC Class Codes: A61B 18/1442 Probes having pivoting end effectors, e.g. forceps
• CPC Class Codes: A61B 18/1477 Needle-like probes
• CPC Class Codes: A61B 2018/00827 Current
• CPC Class Codes: A61B 2018/00892 Voltage
• CPC Class Codes: A61B 2018/1425 Needle

Abstract

An electrosurgical system is provided. The electrosurgical system includes an electrosurgical generator adapted to supply electrosurgical energy to tissue. A power source operably couples to the electrosurgical generator and is configured to deliver power to one or more types of loads connected to the electrosurgical generator. The electrosurgical generator includes a controller including a microprocessor coupled to the electrosurgical generator and configured to control the output of the electrosurgical generator. A fiber optic connection circuit is in operative communication with the controller and includes one or more types of logic devices and one or more types of fiber optic channels. The fiber optic connection circuit is configured to mitigate leakage current associated with at least one of a plurality of components operatively associated with the electrosurgical generator by providing isolation.

Claims

1. An electrosurgical generator, comprising:

a power source configured to supply power to at least one load electrically coupled to the power source;

a plurality of operative components configured to control operation of the power source; and

a fiber optic connection circuit coupled to the power supply and configured to provide isolation between at least one of the plurality of operative components and the power source and to mitigate leakage current associated with at least one of the plurality of operative components.

2. The electrosurgical generator according to claim 1, wherein the fiber optic connection circuit includes at least one logic device.

3. The electrosurgical generator according to claim 1, wherein the fiber optic connection circuit includes at least one fiber optic channel.

4. The electrosurgical generator according to claim 1, wherein at least one of the plurality of operative components includes an activation device selected from the group consisting of a switch, voltage divider network, a potentiometer, and combinations thereof.

5. The electrosurgical generator according to claim 1, wherein at least one of the plurality of operative components includes at least one of a port selector or a relay controller.

6. The electrosurgical generator according to claim 1, wherein at least one of the plurality of operative components includes at least one of a voltage sensor or current sensor.

7. The electrosurgical generator according to claim 6, wherein each of the voltage sensor and current sensor is connected to the power source.

8. An electrosurgical generator comprising:

a power source configured to supply power to at least one load electrically coupled to the power source;

a plurality of operative components configured to control operation of the power source; and

a fiber optic connection circuit coupled to the power supply and configured to provide isolation between at least one of the plurality of operative components and the power source and to mitigate leakage current associated with at least one of the plurality of operative components, the fiber optic connection circuit including at least one logic device and at least one fiber optic channel.

9. The electrosurgical generator according to claim 8, wherein at least one of the plurality of operative components includes an activation device selected from the group consisting of a switch, voltage divider network, a potentiometer, and combinations thereof.

10. The electrosurgical generator according to claim 8, wherein at least one of the plurality of operative components includes at least one of a port selector or a relay controller.

11. The electrosurgical generator according to claim 8, wherein at least one of the plurality of operative components includes at least one of a voltage sensor or current sensor.

12. The electrosurgical generator according to claim 11, wherein each of the voltage sensor and current sensor is connected to the power source.