US 12,011,595 B2
Control pulses and posture for ECAPs
Christopher L. Pulliam, Plymouth, MN (US); David A. Dinsmoor, North Oaks, MN (US); Hank Bink, Golden Valley, MN (US); and Kristin N. Hageman, Dayton, MN (US)
Assigned to Medtronic, Inc., Minneapolis, MN (US)
Filed by Medtronic, Inc., Minneapolis, MN (US)
Filed on Nov. 20, 2020, as Appl. No. 17/100,455.
Claims priority of provisional application 62/950,777, filed on Dec. 19, 2019.
Prior Publication US 2021/0187297 A1, Jun. 24, 2021
Int. Cl. A61N 1/36 (2006.01)
CPC A61N 1/36062 (2017.08) [A61N 1/36139 (2013.01); A61N 1/36153 (2013.01); A61N 1/36192 (2013.01)] 33 Claims
OG exemplary drawing
 
1. A system comprising:
sensing circuitry configured to sense an evoked compound action potential (ECAP) signal elicited by a control stimulation pulse of a plurality of control stimulation pulses; and
processing circuitry configured to:
control delivery of a first informed stimulation pulse defined by at least a first value of a stimulation parameter, the first informed stimulation pulse being one informed stimulation pulse of a plurality of informed stimulation pulses at a frequency over a period of time;
control delivery of the control stimulation pulse to a patient as part of the plurality of control stimulation pulses interleaved with at least some informed pulses of the plurality of informed stimulation pulses during the period of time, the control stimulation pulse defined by at least a second value of the stimulation parameter, wherein the first value of the stimulation parameter is different than the second value of the stimulation parameter;
determine a characteristic value of the ECAP signal elicited from the control stimulation pulse;
receive, from a sensor, a posture state signal representing a posture state of the patient;
adjust, based on the characteristic value of the ECAP signal and the posture state signal, the first value of the stimulation parameter to a third value of the stimulation parameter; and
control delivery of a second informed stimulation pulse of the plurality of informed stimulation pulses that is defined at least by the third value of the stimulation parameter.