Electrosurgical generator and bipolar electrosurgical device adaptors

• US 7,909,820 B2
• Filed: 03/03/2004
• Issued: 03/22/2011
• Est. Priority Date: 03/06/2003
• Status: Active Grant

• Current Assignee: Medtronic Advanced Energy LLC (Medtronic Plc)
• Original Assignee: Salient Surgical Technologies Incorporated (Medtronic Plc)
• Inventors: Lipson, David, Flanagan, David J.
• Primary Examiner(s): Peffley; Michael
• Assistant Examiner(s): HUPCZEY, JR, RONALD JAMES
• Application Number:
  US10/547,881
• Publication Number:
  US 20070016182A1
• Time in Patent Office: 2,575 Days
• Field of Search: 606/38, 606/42, 606/45, 323/301
• US Class Current: 606/34
• CPC Class Codes: A61B 18/12 by passing a current through the tissue to be heated, e.g. high-frequency current
• CPC Class Codes: A61B 2018/00029 open
• CPC Class Codes: A61B 2018/00178 Electrical connectors
• CPC Class Codes: A61B 2018/00428 Severing
• CPC Class Codes: A61B 2018/00589 Coagulation
• CPC Class Codes: A61B 2018/00595 Cauterization
• CPC Class Codes: A61B 2018/00601 Cutting
• CPC Class Codes: A61B 2018/0066 without feedback, i.e. open loop control
• CPC Class Codes: A61B 2018/00744 Fluid flow
• CPC Class Codes: A61B 2018/00779 Power or energy
• CPC Class Codes: A61B 2018/1417 Ball
• CPC Class Codes: A61B 2018/1422 Hook
• CPC Class Codes: A61B 2018/1472 for use with liquid electrolyte, e.g. virtual electrodes

Abstract

Adaptors for electrically coupling between an electrosurgical generator and a bipolar electrosurgical device are provided. In one preferred embodiment, the adaptor comprises a power input connector for coupling the adaptor with a monopolar mode power output connector of the electrosurgical generator, a ground connector for coupling the adaptor with a ground connector of the electrosurgical generator, a first and a second power output connector, each for coupling the adaptor with a first and a second bipolar mode power input connector of the bipolar electrosurgical device, respectively, a monopolar hand switch connector for coupling the adaptor with a monopolar mode hand switch connector of the electrosurgical generator, and at least one bipolar mode hand switch connector for coupling the adaptor with a bipolar mode hand switch connector of the electrosurgical device.

Claims

1. An adaptor comprising:

a monopolar power input connector configured to connect to a monopolar mode power output connector of an electrosurgical generator;

a monopolar power return connector configured to connect to a ground pad connector of the electrosurgical generator;

a first and a second bipolar power output connector, each configured to connect to a first and a second bipolar mode power input connector of a bipolar electrosurgical device, respectively;

a transformer coupled between the monopolar power input connector and the first and second bipolar power output connectors, the transformer to receive monopolar radio frequency power to be provided to the monopolar power input connector from the monopolar mode power output connector of the generator, and to transform the monopolar radio frequency power to bipolar mode power output using a plurality of coils, and to provide the transformed radio frequency power to the first and second bipolar power output connectors, and wherein the plurality of coils comprise a first coil and a second coil arranged to have a primary voltage and a secondary voltage, respectively, in phase in a presence of an alternating electrical current, and the adaptor configured to provide the radio frequency power transformed by the transformer to the bipolar electrosurgical device to treat tissue;

a monopolar mode hand switch connector configured to connect to a monopolar mode hand switch connector of the electrosurgical generator;

at least one bipolar mode hand switch connector configured to connect to a bipolar mode hand switch connector of the electrosurgical device; and

wherein the at least one bipolar mode hand switch connector configured to connect to a bipolar mode hand switch connector of the electrosurgical device comprises a first and a second bipolar mode hand switch connector configured to connect to a first and a second bipolar mode hand switch connector of the electrosurgical device, respectively;

the first bipolar mode hand switch connector of the adaptor is coupled to the monopolar mode hand switch connector of the adaptor; and

the second bipolar mode hand switch connector of the adaptor is coupled to the power input connector of the adaptor in parallel with the transformer.

2. The adaptor according to claim 1 wherein:

the first coil is adapted to be coupled to the generator; and

the second coil is adapted to be coupled to the bipolar electrosurgical device.

3. The adaptor according to claim 1 wherein:

the first coil comprises a plurality of windings;

the second coil comprises a plurality of windings; and

the plurality of first coil windings is greater in quantity than the plurality of second coil windings.

4. The adaptor according to claim 1 wherein:

the first coil is coupled at a first end to the power input connector of the adaptor;

the first coil is coupled at a second end to the power return connector of the adaptor configured to connect to the ground pad connector of the electrosurgical generator;

the second coil is coupled at a first end to the first power output connector of the adaptor; and

the second coil is coupled at a second end to the second power output connector of the adaptor.

5. An adaptor comprising:

a monopolar power input connector configured to connect to a monopolar mode power output connector of an electrosurgical generator;

a monopolar power return connector configured to connect to a ground pad connector of the electrosurgical generator;

a first and a second bipolar power output connector, each configured to connect to a first and a second bipolar mode power input connector of a bipolar electrosurgical device, respectively;

a transformer coupled between the monopolar power input connector and the first and second bipolar power output connectors, the transformer to receive monopolar radio frequency power to be provided to the monopolar power input connector from the monopolar mode power output connector of the generator, and to transform the monopolar radio frequency power to bipolar mode power output using a plurality of coils, and to provide the transformed radio frequency power to the first and second bipolar power output connectors, and the adaptor configured to provide the radio frequency power transformed by the transformer to the bipolar electrosurgical device to treat tissue;

a monopolar mode hand switch connector configured to connect to a monopolar mode hand switch connector of the electrosurgical generator;

at least one bipolar mode hand switch connector configured to connect to a bipolar mode hand switch connector of the electrosurgical device; and

wherein the at least one bipolar mode hand switch connector configured to connect to a bipolar mode hand switch connector of the electrosurgical device comprises a first and a second bipolar mode hand switch connector configured to connect to a first and a second bipolar mode hand switch connector of the electrosurgical device, respectively;

the first bipolar mode hand switch connector of the adaptor is coupled to the monopolar mode hand switch connector of the adaptor; and

the second bipolar mode hand switch connector of the adaptor is coupled to the power input connector of the adaptor in parallel with the transformer.

6. The adaptor according to claim 5 wherein:

the plurality of coils comprise a first coil and a second coil;

the first coil is adapted to be coupled to the generator; and

the second coil is adapted to be coupled to the bipolar electrosurgical device.

7. The adaptor according to claim 6 wherein:

the first coil comprises a plurality of windings;

the second coil comprises a plurality of windings; and

the plurality of first coil windings is greater in quantity than the plurality of second coil windings.

8. The adaptor according to claim 5 wherein:

the plurality of coils comprise a first coil and a second coil;

the first coil is coupled at a first end to the power input connector of the adaptor;

the first coil is coupled at a second end to the power return connector of the adaptor configured to connect to the ground pad connector of the electrosurgical generator;

the second coil is coupled at a first end to the first power output connector of the adaptor; and

the second coil is coupled at a second end to the second power output connector of the adaptor.

9. An adaptor comprising:

a monopolar power input connector configured to connect to a monopolar mode power output connector of an electrosurgical generator;

a monopolar power return connector configured to connect to a ground pad connector of the electrosurgical generator;

a first and a second bipolar power output connector, each configured to connect to a first and a second bipolar mode power input connector of a bipolar electrosurgical device, respectively;

a transformer coupled between the monopolar power input connector and the first and second bipolar power output connectors, the transformer to receive monopolar radio frequency power to be provided to the monopolar power input connector from the monopolar mode power output connector of the generator, and to transform the monopolar radio frequency power to bipolar mode power output using a plurality of coils, and to provide the transformed radio frequency power to the first and second bipolar power output connectors, and wherein the plurality of coils comprise a first coil and a second coil arranged to have a primary voltage and a secondary voltage, respectively, in phase in a presence of an alternating electrical current, and the adaptor configured to provide the radio frequency power transformed by the transformer to the bipolar electrosurgical device to treat tissue;

a monopolar mode hand switch connector configured to connect to a monopolar mode hand switch connector of the electrosurgical generator;

at least one bipolar mode hand switch connector configured to connect to a bipolar mode hand switch connector of the electrosurgical device; and

wherein the bipolar mode hand switch connector of the adaptor is coupled to the power input connector of the adaptor in parallel with the transformer; and

the first bipolar power output connector of the adaptor is coupled to the monopolar mode hand switch connector of the adaptor.

10. The adaptor according to claim 9 wherein:

the first coil is adapted to be coupled to the generator; and

the second coil is adapted to be coupled to the bipolar electrosurgical device.

11. The adaptor according to claim 9 wherein:

the first coil comprises a plurality of windings;

the second coil comprises a plurality of windings; and

the plurality of first coil windings is greater in quantity than the plurality of second coil windings.

12. The adaptor according to claim 9 wherein:

the first coil is coupled at a first end to the power input connector of the adaptor;

the first coil is coupled at a second end to the power return connector of the adaptor configured to connect to the ground pad connector of the electrosurgical generator;

the second coil is coupled at a first end to the first power output connector of the adaptor; and

the second coil is coupled at a second end to the second power output connector of the adaptor.

13. The adaptor according to claim 9 wherein:

the at least one bipolar mode hand switch connector configured to connect to a bipolar mode hand switch connector of the electrosurgical device comprises a first and a second bipolar mode hand switch connector configured to connect to a first and a second bipolar mode hand switch connector of the electrosurgical device, respectively.

14. An adaptor comprising:

a monopolar power input connector configured to connect to a monopolar mode power output connector of an electrosurgical generator;

a monopolar power return connector configured to connect to a ground pad connector of the electrosurgical generator;

a first and a second bipolar power output connector, each configured to connect to a first and a second bipolar mode power input connector of a bipolar electrosurgical device, respectively;

a transformer coupled between the monopolar power input connector and the first and second bipolar power output connectors, the transformer to receive monopolar radio frequency power to be provided to the monopolar power input connector from the monopolar mode power output connector of the generator, and to transform the monopolar radio frequency power to bipolar mode power output using a plurality of coils, and to provide the transformed radio frequency power to the first and second bipolar power output connectors, and the adaptor configured to provide the radio frequency power transformed by the transformer to the bipolar electrosurgical device to treat tissue;

a monopolar mode hand switch connector configured to connect to a monopolar mode hand switch connector of the electrosurgical generator;

at least one bipolar mode hand switch connector configured to connect to a bipolar mode hand switch connector of the electrosurgical device; and

wherein the bipolar mode hand switch connector of the adaptor is coupled to the power input connector of the adaptor in parallel with the transformer; and

the first bipolar power output connector of the adaptor is coupled to the monopolar mode hand switch connector of the adaptor.

15. The adaptor according to claim 14 wherein:

the plurality of coils comprise a first coil and a second coil;

the first coil is adapted to be coupled to the generator; and

the second coil is adapted to be coupled to the bipolar electrosurgical device.

16. The adaptor according to claim 15 wherein:

the first coil comprises a plurality of windings;

the second coil comprises a plurality of windings; and

the plurality of first coil windings is greater in quantity than the plurality of second coil windings.

17. The adaptor according to claim 14 wherein:

the plurality of coils comprise a first coil and a second coil;

the first coil is coupled at a first end to the power input connector of the adaptor;

the first coil is coupled at a second end to the power return connector of the adaptor configured to connect to the ground pad connector of the electrosurgical generator;

the second coil is coupled at a first end to the first power output connector of the adaptor; and

the second coil is coupled at a second end to the second power output connector of the adaptor.

18. The adaptor according to claim 14 wherein:

the at least one bipolar mode hand switch connector configured to connect to a bipolar mode hand switch connector of the electrosurgical device comprises a first and a second bipolar mode hand switch connector configured to connect to a first and a second bipolar mode hand switch connector of the electrosurgical device, respectively.