US 11,980,761 B2
Pacemaker operative to deliver impulses of pace signal and sense cardiac response via single conductor of pacemaker lead
John Christopher Price, Austin, TX (US); Shayne X. Short, College Station, TX (US); and Timothy W. Markison, Mesa, AZ (US)
Assigned to SIGMASENSE, LLC., Austin, TX (US)
Filed by SIGMASENSE, LLC., Wilmington, DE (US)
Filed on Oct. 28, 2022, as Appl. No. 17/975,729.
Application 17/975,729 is a continuation of application No. 16/891,543, filed on Jun. 3, 2020, granted, now 11,504,535.
Prior Publication US 2023/0047760 A1, Feb. 16, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A61N 1/362 (2006.01); A61N 1/37 (2006.01); A61N 1/375 (2006.01)
CPC A61N 1/3624 (2013.01) [A61N 1/3702 (2013.01); A61N 1/3752 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A pacemaker system comprising:
a drive-sense circuit (DSC) operably coupled to a pacemaker lead, wherein the DSC is operably coupled and configured to receive a reference signal and to generate a pace signal including electrical impulses based on the reference signal, wherein, when enabled, the DSC configured to:
provide the pace signal via the pacemaker lead to an electrically responsive portion of a cardiac conductive system of a subject and to sense cardiac electrical activity of a cardiovascular system of the subject via the pacemaker lead; and
generate a digital signal that is representative of the cardiac electrical activity of the cardiovascular system of the subject that is sensed via the pacemaker lead;
memory that stores operational instructions; and
one or more processing modules operably coupled to the DSC and the memory, wherein, when enabled, the one or more processing modules is configured to execute the operational instructions to:
generate the reference signal; and
process the digital signal generated by the DSC to determine the cardiac electrical activity of the cardiovascular system of the subject that is sensed via the pacemaker lead.