IP Library › Granted Patent US 12,440,676
Granted Patent B2
US 12,440,676 · App. 18/452,485 · Granted Oct 14, 2025

Implanted pulse generators with reduced power consumption via signal strength/duration characteristics, and associated systems and methods

Inventor: Jon Parker (San Jose, CA)
Assignee: NEVRO CORP.
A61N1/36071A61N1/36125A61N1/36171A61N1/36175A61N1/3708
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Quick Facts
Patent No.
US 12,440,676
App. No.
18/452,485
Granted
Oct 14, 2025
Kind
B2
Abstract

Implanted pulse generators with reduced power consumption via signal strength-duration characteristics, and associated systems and methods are disclosed. A representative method for treating a patient in accordance with the disclosed technology includes receiving an input corresponding to an available voltage for an implanted medical device and identifying a signal delivery parameter value of an electrical signal based on a correlation between values of the signal delivery parameter and signal deliver amplitudes. The signal deliver parameter can include at least one of pulse width or duty cycle. The method can further include delivering an electrical therapy signal to the patient at the identified signal delivery parameter value using a voltage within a margin of the available voltage.

Claims (27)

1. A method of programming a signal generator to provide stimulation therapy to a patient, the method comprising:

programing the signal generator to, in response to a determination that an available voltage is insufficient to deliver an electrical signal at a target therapy amplitude and a target signal delivery parameter, (a) determine an updated therapy amplitude and an updated signal delivery parameter based on pre-established correlations for similarly situated patients, and (b) deliver therapy to the patient using the updated amplitude and signal delivery parameter, wherein the signal delivery parameter includes a pulse width and/or a duty cycle.

2. The method of claim 1 wherein the signal delivery parameter is the pulse width.

3. The method of claim 2 wherein the pre-established correlations include a plurality of predetermined pulse width/amplitude pairs determined using data from the similarly situated patients.

4. The method of claim 2 wherein the updated pulse width has a value within a pulse width range off rom 10 microseconds to 333 microseconds.

5. The method of claim 1 wherein the signal delivery parameter is the duty cycle.

6. The method of claim 5 wherein the pre-established correlations include a plurality of predetermined duty cycle/amplitude pairs determined using data from the similarly situated patients.

7. The method of claim 5 wherein the updated duty cycle has a value within a duty cycle range off rom 10% to 100%.

8. The method of claim 1 wherein the similarly situation patients and the patient have the same indication.

9. The method of claim 1 wherein the available voltage is an output voltage of a battery that provides power for generating the electrical signal.

10. The method of claim 1 wherein the electrical signal has a frequency in a frequency range of from 1.5 kHz to 100 kHz.

11. The method of claim 1 wherein the electrical signal does not induce paresthesia in the patient.

12. A system for providing stimulation therapy to a patient, the system comprising:

a signal generator programmed to deliver an electrical signal to the patient; a processor; and

a memory storing instructions that, when executed by the processor, cause the signal generator to, in response to a determination that an available voltage is insufficient to deliver the electrical signal at a target therapy amplitude and a target signal delivery parameter, (a) determine an updated therapy amplitude and an updated signal delivery parameter based on pre-established correlations for similarly situated patients, and (b) deliver therapy to the patient using the updated amplitude and signal delivery parameter, wherein the signal delivery parameter includes a pulse width and/or a duty cycle.

13. The system of claim 12 wherein the signal delivery parameter is the pulse width, and wherein the pre-established correlations include a plurality of predetermined pulse width/amplitude pairs determined using data from the similarly situated patients.

14. The system of claim 12 wherein the signal delivery parameter is the duty cycle, and wherein the pre-established correlations include a plurality of predetermined duty cycle/amplitude pairs determined using data from the similarly situated patients.

15. The system of claim 12 wherein the similarly situation patients and the patient have the same indication.

16. A method of establishing a correlation between an amplitude and another signal delivery parameter for a particular patient, the method comprising:

identifying at least one amplitude/parameter pair that produces a detectable result in the patient; and

comparing the identified amplitude/parameter pair to a plurality of pre-established amplitude/parameter curves generated using data from a pool of other patients to identify a particular amplitude/parameter curve for the patient, wherein the signal delivery parameter includes a pulse width and/or a duty cycle.

17. The method of claim 16 wherein identifying the at least one amplitude/parameter pair includes identifying a plurality of amplitude/parameters pairs and wherein comparing the identified amplitude/parameter pair includes comparing the plurality of identified amplitude/parameter pairs to the curves.

18. The method of claim 16 wherein the signal delivery parameter is the pulse width, and wherein the pre-established amplitude/parameter curves generated using data from the pool of other patients include specific amplitude/pulse width pairs.

19. The method of claim 18 , further comprising delivering an electrical signal to the patient, wherein the electrical signal has an amplitude and a pulse width corresponding to a specific amplitude/pulse width pair on the identified particular amplitude/parameter curve.

20. The method of claim 16 wherein the signal delivery parameter is the duty cycle, and wherein the pre-established amplitude/parameter curves generated using data from the pool of other patients include specific amplitude/duty cycle pairs.

21. The method of claim 20 , further comprising delivering an electrical signal to the patient, wherein the electrical signal has an amplitude and a duty cycle corresponding to a specific amplitude/duty cycle pair on the identified particular amplitude/parameter curve.

22. The method of claim 16 wherein the pool of other patients have the same indication as the particular patient.

Assignments (3)
RELEASE OF SECURITY INTEREST Recorded Apr 4, 2025
From: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS AGENT
To: NEVRO CORP.
Reel/Frame 070743/0001 →
PATENT SECURITY AGREEMENT Recorded Dec 1, 2023
From: NEVRO CORP.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS AGENT
Reel/Frame 065744/0302 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 18, 2023
From: PARKER, JON
To: NEVRO CORP.
Reel/Frame 064640/0255 →
Continuity (6)
Continuation 17114314 · Dec 7, 2020
Continuation 16183456 · Nov 7, 2018
Continuation 15227821 · Aug 3, 2016
Continuation 14710375 · May 12, 2015
Provisional Application 62000985 · May 20, 2014
Related Publication 20240173549A1 · May 30, 2024
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