Inventor
ZIELINSKI TODD M
US37 patents
⚠️ This page may combine multiple inventors who share the name “ZIELINSKI TODD M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MEDTRONIC INC
20 patentsUS9707399B2Jul 18, 2017
Cardiac resynchronization therapy optimization based on intracardiac impedance and heart sounds
MEDTRONIC INC28 citations94
US7785264B2Aug 31, 2010
System and method of determining cardiac pressure
MEDTRONIC INC26 citations93
US7181283B2Feb 20, 2007
System and method for controlling implantable medical device parameters in response to atrial pressure attributes
MEDTRONIC INC34 citations87
US9199086B2Dec 1, 2015
Cardiac resynchronization therapy optimization based on intracardiac impedance
MEDTRONIC INC13 citations84
US7927282B2Apr 19, 2011
System and method of determining cardiac pressure
MEDTRONIC INC9 citations84
US10182729B2Jan 22, 2019
Systems and methods for monitoring hemodynamic status
MEDTRONIC INC6 citations73
US8868185B2Oct 21, 2014
Use of thoracic and extra-thoracic impedance for diagnostic monitoring
MEDTRONIC INC6 citations72
US9387330B2Jul 12, 2016
Cardiac resynchronization therapy optimization based on intracardiac impedance and heart sounds
MEDTRONIC INC2 citations63
US7972273B2Jul 5, 2011
System and method of determining cardiac pressure
MEDTRONIC INC2 citations63
US11547360B2Jan 10, 2023
Acute heart failure monitoring and treatment
MEDTRONIC INC0 citations62
US9682240B2Jun 20, 2017
Cardiac therapy based upon impedance signals
MEDTRONIC INC1 citations62
US9415231B2Aug 16, 2016
Cardiac therapy based upon impedance signals
MEDTRONIC INC2 citations62
US12507955B2Dec 30, 2025
Sensing for heart failure management
MEDTRONIC INC0 citations52
US11298547B2Apr 12, 2022
Fluid status detection from a cardiac electrical signal and impedance signal
MEDTRONIC INC0 citations52
US11116456B2Sep 14, 2021
Sensing for heart failure management
MEDTRONIC INC0 citations52
US10537266B2Jan 21, 2020
Multi-frequency impedance monitoring system
MEDTRONIC INC0 citations52
US9642558B2May 9, 2017
Multi-frequency impedance monitoring system
MEDTRONIC INC0 citations52
US12575755B2Mar 17, 2026
Determining health condition statuses using subcutaneous impedance measurements
MEDTRONIC INC0 citations45
US9597511B2Mar 21, 2017
Method to assess hemodynamic performance during cardiac resynchronization therapy optimization using admittance waveforms and derivatives
MEDTRONIC INC0 citations42
US7850615B2Dec 14, 2010
System and method of determining cardiac pressure
MEDTRONIC INC0 citations42
CPRX LLC
6 patentsUS6604523B2Aug 12, 2003
Apparatus and methods for enhancing cardiopulmonary blood flow and ventilation
CPRX LLC113 citations99
US6587726B2Jul 1, 2003
Stimulatory device and methods to electrically stimulate the phrenic nerve
CPRX LLC314 citations99
US6155257ADec 5, 2000
Cardiopulmonary resuscitation ventilator and methods
CPRX LLC326 citations99
US6459933B1Oct 1, 2002
Remote control arrhythmia analyzer and defibrillator
CPRX LLC148 citations98
US6312399B1Nov 6, 2001
Stimulatory device and methods to enhance venous blood return during cardiopulmonary resuscitation
CPRX LLC188 citations97
US6463327B1Oct 8, 2002
Stimulatory device and methods to electrically stimulate the phrenic nerve
CPRX LLC431 citations96
HETTRICK DOUGLAS A
5 patentsUS8938292B2Jan 20, 2015
Estimating cardiovascular pressure and volume using impedance measurements
HETTRICK DOUGLAS A39 citations94
US8639328B2Jan 28, 2014
Cardiac therapy based upon impedance signals
HETTRICK DOUGLAS A15 citations92
US8831721B2Sep 9, 2014
Pressure and impedance based discrimination of hemodynamic stability
HETTRICK DOUGLAS A11 citations82
US8478400B2Jul 2, 2013
Pressure and impedance based discrimination of hemodynamic stability
HETTRICK DOUGLAS A10 citations82
US8435186B2May 7, 2013
Quantifying autonomic tone with thoracic impedance
HETTRICK DOUGLAS A13 citations80
ADVANCED CIRCULATORY SYS INC
3 patentsUS7210480B2May 1, 2007
Shock treatment systems and methods
ADVANCED CIRCULATORY SYS INC93 citations99
US6938618B2Sep 6, 2005
Bag-valve resuscitation for treatment of hypotention, head trauma, and cardiac arrest
ADVANCED CIRCULATORY SYS INC82 citations96
US7174891B2Feb 13, 2007
CPR mask with compression timing metronome and methods
ADVANCED CIRCULATORY SYS INC85 citations94