Inventor · disambiguated record
Nikolai M. Krivitski
Also filed as: KRIVITSKI NIKOLAI · KRIVITSKI NIKOLAI M
35 granted patents·15 pending applications·1,458 citations·filing 1994–2025
98Inventor score
Files withTRANSONIC SYSTEMS INC41KRIVITSKI NIKOLAI M4THURAMALLA NAVEEN2KRIVITSKI NIKOLAI1TRANSONIC SYSTMES INC1
Top patents by PatentIndex Score
50 records- 0195US5685989AMethod and apparatus to measure blood flow and recirculation in hemodialysis shuntsTRANSONIC SYSTEMS INC·Filed 1994·Granted Nov 11, 1997·235 cites·43 claims
- 0294US6308737B1Method and apparatus for selectively reversing flow between a dialyzer and a patient accessTRANSONIC SYSTEMS INC·Filed 2000·Granted Oct 30, 2001·74 cites·10 claims
- 0391US11439735B2Method and apparatus for assessing cardiac output in veno-venous extracorporeal blood oxygenationTRANSONIC SYSTEMS INC·Filed 2020·Granted Sep 13, 2022·4 cites·20 claims
- 0490US5453576ACardiovascular measurements by sound velocity dilutionTRANSONIC SYSTEMS INC·Filed 1994·Granted Sep 26, 1995·272 cites·23 claims
- 0589US7121150B2Method and apparatus to determine an initial flow rate in a conduitTRANSONIC SYSTEMS INC·Filed 2005·Granted Oct 17, 2006·15 cites·19 claims
- 0685US11654218B2Calculating cardiac output of a patient undergoing veno-venous extracorporeal blood oxygenationTRANSONIC SYSTEMS INC·Filed 2020·Granted May 23, 2023·2 cites·19 claims
- 0777US7275447B2Method and apparatus to determine an initial flow rate in a conduitTRANSONIC SYSTEMS INC·Filed 2007·Granted Oct 2, 2007·12 cites·10 claims
- 0876US6493567B1Single light sensor optical probe for monitoring blood parameters and cardiovascular measurementsTRANSONIC SYSTEMS INC·Filed 2000·Granted Dec 10, 2002·78 cites·21 claims
- 0974US2023248887A1Calculating cardiac output of a patient undergoing veno-venous extracorporeal blood oxygenationTRANSONIC SYSTEMS INC·Filed 2023·Application pending·0 cites
- 1074US2023256147A1Calculating cardiac output of a patient undergoing veno-venous extracorporeal blood oxygenationTRANSONIC SYSTEMS INC·Filed 2023·Application pending·0 cites
- 1173US2025222184A1Calculating cardiac output of a patient undergoing veno-venous extracorporeal blood oxygenationTRANSONIC SYSTEMS INC·Filed 2025·Application pending·0 cites
- 1271US2024032811A1Indicator temperature compensation in flow rate calculationTRANSONIC SYSTEMS INC·Filed 2023·Application pending·0 cites
- 1371US2024032812A1Dilution curve compensation in flow rate calculationTRANSONIC SYSTEMS INC·Filed 2023·Application pending·0 cites
- 1469US7549965B2Compensation method for thermodilution catheter having an injectate induced thermal effect in a blood flow measurementTRANSONIC SYSTEMS INC·Filed 2006·Granted Jun 23, 2009·6 cites·20 claims
- 1568US7210359B2Method and apparatus to determine an initial flow rate in a conduitTRANSONIC SYSTEMS INC·Filed 2006·Granted May 1, 2007·4 cites·11 claims
- 1668US6718190B2Sensor calibration and blood volume determinationTRANSONIC SYSTEMS INC·Filed 2002·Granted Apr 6, 2004·41 cites·8 claims
- 1766US7473371B2Measurement of a blood flow rate in hemodialysis shuntsTRANSONIC SYSTEMS INC·Filed 2005·Granted Jan 6, 2009·4 cites·44 claims
- 1866US6986744B1Method and apparatus for determining blood flow during a vascular corrective procedureTRANSONIC SYSTEMS INC·Filed 1999·Granted Jan 17, 2006·113 cites·13 claims
- 1966US2023211060A1Method and apparatus for assessing cardiac output in veno-arterial extracorporeal blood oxygenationTRANSONIC SYSTEMS INC·Filed 2023·Application pending·0 cites
- 2064US6868739B1Method and apparatus to measure blood flow by an introduced volume changeTRANSONIC SYSTEMS INC·Filed 1999·Granted Mar 22, 2005·71 cites·38 claims
- 2164US5595182ACardiovascular measurements by sound velocity dilutionTRANSONIC SYSTEMS INC·Filed 1995·Granted Jan 21, 1997·91 cites·49 claims
- 2260US6746408B2Method of blood flow measurement in arterio-venous hemodialysis shunts by indicator dilutionTRANSONIC SYSTEMS INC·Filed 2001·Granted Jun 8, 2004·19 cites·29 claims
- 2359US7297280B2Method and apparatus to measure blood flow in hemodialysis shuntsTRANSONIC SYSTEMS INC·Filed 2004·Granted Nov 20, 2007·16 cites·20 claims
- 2459US7261696B2Method and apparatus for measuring cardiac output via an extracorporeal cardiopulmonary support circuitTRANSONIC SYSTEMS INC·Filed 2004·Granted Aug 28, 2007·16 cites·9 claims
- 2559US5928180AMethod and apparatus for real time monitoring of blood volume in a filterFiled 1998·Granted Jul 27, 1999·76 cites·52 claims
- 2658US6514419B2Method to measure blood flow and recirculation in hemodialysis shuntsTRANSONIC SYSTEMS INC·Filed 2000·Granted Feb 4, 2003·12 cites·30 claims
- 2758US6210591B1Method to measure blood flow rate in hemodialysis shuntsTRANSONIC SYSTEMS INC·Filed 1999·Granted Apr 3, 2001·68 cites·12 claims
- 2857US2022280705A1Method and apparatus employing an extracorporeal blood oxygenation circuit blood flow characteristic for quantitatively assessing a physiological parameter of a connected patientTRANSONIC SYSTEMS INC·Filed 2022·Application pending·0 cites
- 2956US12465675B2Method and apparatus for identifying disruption of a fluid connection between an extracorporeal circuit and a patient circulatory systemTRANSONIC SYSTEMS INC·Filed 2022·Granted Nov 11, 2025·0 cites·19 claims
- 3056US6623436B2Retrograde catheter with reduced injectate induced temperature offsetTRANSONIC SYSTEMS INC·Filed 2002·Granted Sep 23, 2003·11 cites·18 claims
- 3155US11633525B2Method and apparatus for assessing cardiac output in veno-arterial extracorporeal blood oxygenationTRANSONIC SYSTEMS INC·Filed 2020·Granted Apr 25, 2023·0 cites·17 claims
- 3254US6926838B2Method to measure blood flow and recirculation in hemodialysis shuntsTRANSONIC SYSTEMS INC·Filed 2003·Granted Aug 9, 2005·8 cites·13 claims
- 3353US7112176B2Compensation method for thermodilution catheter having an injectate induced thermal effect in a blood flow measurementTRANSONIC SYSTEMS INC·Filed 2002·Granted Sep 26, 2006·8 cites·20 claims
- 3451US6153109AMethod and apparatus to measure blood flow rate in hemodialysis shuntsTRANSONIC SYSTMES INC·Filed 1998·Granted Nov 28, 2000·56 cites·29 claims
- 3551US2023277740A1Method and apparatus for measurement of an ultrafiltration rate in a renal replacement therapy deviceTRANSONIC SYSTEMS INC·Filed 2022·Application pending·0 cites
- 3650US8162843B2Method for measuring cardiac output via an extracorporeal cardiopulmonary support circuitKRIVITSKI NIKOLAI M·Filed 2007·Granted Apr 24, 2012·0 cites·20 claims
- 3750US2023036866A1Method and apparatus for identifying disruption of a fluid connection between an extracorporeal circuit and a patient circulatory systemTRANSONIC SYSTEMS INC·Filed 2021·Application pending·0 cites
- 3849US8273048B2System and method for diverting flow to facilitate measurement of system parametersTHURAMALLA NAVEEN·Filed 2008·Granted Sep 25, 2012·3 cites·16 claims
- 3948US6061590AMethod and apparatus for predicting intradialytic morbid events through the monitoring of a central blood volumeTRANSONIC SYSTEMS INC·Filed 1997·Granted May 9, 2000·50 cites·27 claims
- 4048US2005171446A1Method and apparatus for determining a blood flow during a vascular access dysfunction corrective procedureTRANSONIC SYSTEMS INC·Filed 2005·Application pending·0 cites
- 4147US7734322B2Blood volume determination and sensor calibrationTRANSONIC SYSTEMS INC·Filed 2004·Granted Jun 8, 2010·2 cites·17 claims
- 4246US6041246ASingle light sensor optical probe for monitoring blood parameters and cardiovascular measurementsTRANSONIC SYSTEMS INC·Filed 1997·Granted Mar 21, 2000·42 cites·15 claims
- 4346US2012165689A1Catheter with common guide wire and indicator lumenKRIVITSKI NIKOLAI M·Filed 2012·Application pending·0 cites
- 4445US8133185B2Catheter with common guide wire and indicator lumenKRIVITSKI NIKOLAI M·Filed 2003·Granted Mar 13, 2012·3 cites·12 claims
- 4539US6548017B2Method for real time monitoring of blood volume in a filterTRANSONIC SYSTEMS INC·Filed 1999·Granted Apr 15, 2003·25 cites·7 claims
- 4637US6155984AMethod and apparatus for measuring cardiac output through an arterial cannulaTRANSONIC SYSTEMS INC·Filed 1999·Granted Dec 5, 2000·21 cites·8 claims
- 4737US2015316404A1Measurement of fluid volume of a blood oxygenator in an extracorporeal circuitTRANSONIC SYSTEMS INC·Filed 2014·Application pending·0 cites
- 4835US2006211947A1System and method for determining cardiac outputKRIVITSKI NIKOLAI·Filed 2006·Application pending·0 cites
- 4933US2013317378A1Assessment of Pulmonary Blood Flow and Systemic Blood Flow in a Single Ventricle PatientKRIVITSKI NIKOLAI M·Filed 2012·Application pending·0 cites
- 5033US2012316447A1System and method for diverting flow to facilitate measurement of system parametersTHURAMALLA NAVEEN·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →