IP Library › Granted Patent US 12,186,004
Granted Patent B2
US 12,186,004 · App. 18/045,626 · Granted Jan 7, 2025

Control console and accessories for RF nerve ablation and methods of operating the same

Inventors: Thomas Sprinkle (Kalamazoo, MI); Habib Baydoun (Kalamazoo, MI); Blake Latchford (Saline, MI); Edward Crampton (Portage, MI)
Assignee: Stryker Corporation
A61B18/1206A61B18/14A61B2018/00434A61B2018/00577A61B2018/00654A61B2018/00767A61B2018/00791A61B2018/00875A61B2018/124A61B2018/1273
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Quick Facts
Patent No.
US 12,186,004
App. No.
18/045,626
Granted
Jan 7, 2025
Kind
B2
Abstract

Electrosurgical systems and methods are provided for RF nerve ablation, wherein a control console has multiple RF amplifiers associated with multiple channels, and multiple DC power supplies each dedicated to a corresponding one of the RF amplifiers. Each of a plurality of power supply relays are coupled between one of the DC power supplies and the dedicated corresponding one of the RF amplifiers. A controller is configured to apply switching signals to control each of the power supply relays to selectively switch on and off connections between the DC power supplies and the dedicated corresponding RF amplifiers. The controller may apply control signals to each RF amplifier sequentially, one at a time, to deliver energy separately and independently to each of the corresponding channels. The controller may be configured to apply the switching signals to self-grounding relays to selectively switch on and off connections between the channels and return relays.

Claims (37)

1. A control console configured for radio frequency (RF) nerve ablation, the control console comprising:

a plurality of channels;

a plurality of RF amplifiers each being dedicated to deliver energy to a corresponding one of the channels;

a plurality of DC power supplies each being dedicated to a corresponding one of the RF amplifiers;

a plurality of power supply relays each being coupled between one of the DC power supplies and an input of the dedicated corresponding one of the RF amplifiers; and

a controller coupled to the RF amplifiers and being configured to:

apply switching signals to control each of the power supply relays to selectively switch on and off connections between the DC power supplies and the dedicated corresponding RF amplifiers; and

apply control signals to each RF amplifier sequentially, one at a time, to deliver energy separately and independently to each of the corresponding channels.

2. The control console of claim 1 , further comprising a plurality of output relays each being coupled between one of the channels and an output of the dedicated corresponding one of the RF amplifiers.

3. The control console of claim 2 , wherein the controller is further configured to apply the switching signals to each of the output relays to selectively switch on and off connections between the channels and the dedicated corresponding RF amplifiers.

4. The control console of claim 1 , further comprising a plurality of return relays each being coupled to an output of a respective one of the RF amplifiers.

5. The control console of claim 4 , further comprising a connection interface, and a plurality of ground pad relays each being coupled between the connection interface and a corresponding one of the return relays such that each of the return relays is coupled to the connection interface via a bipolar relay.

6. The control console of claim 5 , wherein the connection interface is configured to be coupled to a ground pad.

7. The control console of claim 5 , wherein the controller is further configured to apply the switching signals to each of the ground pad relays to selectively switch on and off connections between the connection interface and the return relays.

8. The control console of claim 4 , further comprising a plurality of bipolar relays each being coupled between one of the channels and a respective one via a bipolar relay.

9. The control console of claim 8 , wherein the controller is further configured to apply the switching signals to each of the bipolar relays to selectively switch on and off connections between the channels and the return relays via the bipolar relays.

10. A method for controlling a control console comprising a plurality of channels, a plurality of radio frequency (RF) amplifiers each dedicated to a corresponding one of the channels, a plurality of DC power supplies each dedicated to a corresponding one of the RF amplifiers, a plurality of power supply relays each being coupled between one of the DC power supplies and an input of the dedicated corresponding one of the RF amplifiers, and a controller coupled to the RF amplifiers, the method comprising:

applying, with the controller, switching signals to control each of the power supply relays to selectively switch on and off connections between the DC power supplies and the dedicated corresponding RF amplifiers; and

applying, with the controller, control signals to each RF amplifier sequentially, one at a time, to deliver energy separately and independently to each of the corresponding channels.

11. The method of claim 10 , further comprising a plurality of output relays each being coupled between one of the channels and an output of the dedicated corresponding one of the RF amplifiers, the method further comprising applying, with the controller, the switching signals to each of the output relays to selectively switch on and off connections between the channels and the dedicated corresponding RF amplifiers.

12. The method of claim 11 , wherein the control console further comprises a plurality of return relays each being coupled to an output of a respective one of the RF amplifiers.

13. The method of claim 12 , further comprising a connection interface, and a plurality of ground pad relays each being coupled between the connection interface and a corresponding one of the return relays, and wherein the method further comprises apply, with the controller, the switching signals to each of the ground pad relays to selectively switch on and off connections between the connection interface and the return relays.

14. The method of claim 13 , further comprising establishing a connection between the connection interface and a ground pad.

15. The method of claim 12 , wherein the control console further comprises further comprising a plurality of bipolar relays each being coupled between one of the channels and a respective one via a bipolar relay, and wherein the method further comprises applying, with the controller, the switching signals to each of the bipolar relays to selectively switch on and off connections between the channels and the return relays via the bipolar relays.

16. The method of claim 12 , wherein the control console further comprises a plurality of self-grounding relays each being coupled between one of the channels and an output of the dedicated corresponding one of the RF amplifiers, and wherein the method further comprises of applying, with the controller, the switching signals to each of the self-grounding relays to selectively switch on and off connection the channels and the return relays via the self-grounding relays.

17. A control console configured for radio frequency (RF) nerve ablation, the control console comprising:

a plurality of channels;

a plurality of RF amplifiers each being dedicated to deliver energy to a corresponding one of the channels;

a plurality of DC power supplies each being dedicated to a corresponding one of the RF amplifiers;

a plurality of power supply relays each being coupled between one of the DC power supplies and an input of the dedicated corresponding one of the RF amplifiers; and

a plurality of self-grounding relays each being coupled between one of the channels and an output of the dedicated corresponding one of the RF amplifiers; and

a controller coupled to the RF amplifiers and being configured to:

apply switching signals to control each of the power supply relays to selectively switch on and off connections between the DC power supplies and the dedicated corresponding RF amplifiers; and

apply the switching signals to each of the self-grounding relays to selectively switch on and off connections between the channels and return relays.

18. The control console of claim 17 , wherein the controller is further configured to apply control signals to each RF amplifier sequentially, one at a time, to deliver energy separately and independently to each of the corresponding channels.

19. The control console of claim 17 , further comprising a plurality of output relays each being coupled between one of the channels and an output of the dedicated corresponding one of the RF amplifiers.

20. The control console of claim 19 , wherein the controller is further configured to apply the switching signals to each of the output relays to selectively switch on and off connections between the channels and the dedicated corresponding RF amplifiers.

Assignments (2)
CHANGE OF ADDRESS Recorded Dec 18, 2024
From: STRYKER CORPORATION
To: STRYKER CORPORATION
Reel/Frame 069737/0184 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 25, 2022
From: SPRINKLE, THOMAS; BAYDOUN, HABIB; LATCHFORD, BLAKE; CRAMPTON, EDWARD
To: STRYKER CORPORATION
Reel/Frame 061530/0444 →
Continuity (3)
Continuation 16605141
Provisional Application 62491615 · Apr 28, 2017
Related Publication 20230056660A1 · Feb 23, 2023
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