Inventor
KRIVITSKI NIKOLAI M
US34 patents
⚠️ This page may combine multiple inventors who share the name “KRIVITSKI NIKOLAI M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TRANSONIC SYSTEMS INC
31 patentsUS5453576ASep 26, 1995
Cardiovascular measurements by sound velocity dilution
TRANSONIC SYSTEMS INC272 citations99
US6986744B1Jan 17, 2006
Method and apparatus for determining blood flow during a vascular corrective procedure
TRANSONIC SYSTEMS INC113 citations98
US6868739B1Mar 22, 2005
Method and apparatus to measure blood flow by an introduced volume change
TRANSONIC SYSTEMS INC71 citations97
US5685989ANov 11, 1997
Method and apparatus to measure blood flow and recirculation in hemodialysis shunts
TRANSONIC SYSTEMS INC235 citations97
US6308737B1Oct 30, 2001
Method and apparatus for selectively reversing flow between a dialyzer and a patient access
TRANSONIC SYSTEMS INC74 citations96
US6210591B1Apr 3, 2001
Method to measure blood flow rate in hemodialysis shunts
TRANSONIC SYSTEMS INC68 citations96
US5595182AJan 21, 1997
Cardiovascular measurements by sound velocity dilution
TRANSONIC SYSTEMS INC91 citations96
US7275447B2Oct 2, 2007
Method and apparatus to determine an initial flow rate in a conduit
TRANSONIC SYSTEMS INC12 citations92
US7261696B2Aug 28, 2007
Method and apparatus for measuring cardiac output via an extracorporeal cardiopulmonary support circuit
TRANSONIC SYSTEMS INC16 citations92
US7121150B2Oct 17, 2006
Method and apparatus to determine an initial flow rate in a conduit
TRANSONIC SYSTEMS INC15 citations92
US6746408B2Jun 8, 2004
Method of blood flow measurement in arterio-venous hemodialysis shunts by indicator dilution
TRANSONIC SYSTEMS INC19 citations92
US6155984ADec 5, 2000
Method and apparatus for measuring cardiac output through an arterial cannula
TRANSONIC SYSTEMS INC21 citations92
US6061590AMay 9, 2000
Method and apparatus for predicting intradialytic morbid events through the monitoring of a central blood volume
TRANSONIC SYSTEMS INC50 citations92
US7297280B2Nov 20, 2007
Method and apparatus to measure blood flow in hemodialysis shunts
TRANSONIC SYSTEMS INC16 citations91
US6548017B2Apr 15, 2003
Method for real time monitoring of blood volume in a filter
TRANSONIC SYSTEMS INC25 citations91
US6493567B1Dec 10, 2002
Single light sensor optical probe for monitoring blood parameters and cardiovascular measurements
TRANSONIC SYSTEMS INC78 citations91
US6718190B2Apr 6, 2004
Sensor calibration and blood volume determination
TRANSONIC SYSTEMS INC41 citations90
US6041246AMar 21, 2000
Single light sensor optical probe for monitoring blood parameters and cardiovascular measurements
TRANSONIC SYSTEMS INC42 citations90
US6514419B2Feb 4, 2003
Method to measure blood flow and recirculation in hemodialysis shunts
TRANSONIC SYSTEMS INC12 citations82
US7210359B2May 1, 2007
Method and apparatus to determine an initial flow rate in a conduit
TRANSONIC SYSTEMS INC4 citations73
US7549965B2Jun 23, 2009
Compensation method for thermodilution catheter having an injectate induced thermal effect in a blood flow measurement
TRANSONIC SYSTEMS INC6 citations72
US7473371B2Jan 6, 2009
Measurement of a blood flow rate in hemodialysis shunts
TRANSONIC SYSTEMS INC4 citations72
US7112176B2Sep 26, 2006
Compensation method for thermodilution catheter having an injectate induced thermal effect in a blood flow measurement
TRANSONIC SYSTEMS INC8 citations72
US6926838B2Aug 9, 2005
Method to measure blood flow and recirculation in hemodialysis shunts
TRANSONIC SYSTEMS INC8 citations72
US6623436B2Sep 23, 2003
Retrograde catheter with reduced injectate induced temperature offset
TRANSONIC SYSTEMS INC11 citations72
US11654218B2May 23, 2023
Calculating cardiac output of a patient undergoing veno-venous extracorporeal blood oxygenation
TRANSONIC SYSTEMS INC2 citations70
US11439735B2Sep 13, 2022
Method and apparatus for assessing cardiac output in veno-venous extracorporeal blood oxygenation
TRANSONIC SYSTEMS INC4 citations70
US7734322B2Jun 8, 2010
Blood volume determination and sensor calibration
TRANSONIC SYSTEMS INC2 citations60
US12569600B2Mar 10, 2026
Method and apparatus for assessing cardiac output in veno-venous extracorporeal blood oxygenation
TRANSONIC SYSTEMS INC0 citations59
US12465675B2Nov 11, 2025
Method and apparatus for identifying disruption of a fluid connection between an extracorporeal circuit and a patient circulatory system
TRANSONIC SYSTEMS INC0 citations50
US11633525B2Apr 25, 2023
Method and apparatus for assessing cardiac output in veno-arterial extracorporeal blood oxygenation
TRANSONIC SYSTEMS INC0 citations49