CA2313431C - System and method for monitoring pressure, flow and constriction parameters of plumbing and blood vessels - Google Patents
System and method for monitoring pressure, flow and constriction parameters of plumbing and blood vessels Download PDFInfo
- Publication number
- CA2313431C CA2313431C CA002313431A CA2313431A CA2313431C CA 2313431 C CA2313431 C CA 2313431C CA 002313431 A CA002313431 A CA 002313431A CA 2313431 A CA2313431 A CA 2313431A CA 2313431 C CA2313431 C CA 2313431C
- Authority
- CA
- Canada
- Prior art keywords
- pipe
- pressure
- pressure sensors
- attaching
- obstruction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/053—Measuring electrical impedance or conductance of a portion of the body
- A61B5/0535—Impedance plethysmography
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0031—Implanted circuitry
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/0215—Measuring pressure in heart or blood vessels by means inserted into the body
- A61B5/02158—Measuring pressure in heart or blood vessels by means inserted into the body provided with two or more sensor elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/026—Measuring blood flow
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/026—Measuring blood flow
- A61B5/0295—Measuring blood flow using plethysmography, i.e. measuring the variations in the volume of a body part as modified by the circulation of blood therethrough, e.g. impedance plethysmography
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/41—Detecting, measuring or recording for evaluating the immune or lymphatic systems
- A61B5/413—Monitoring transplanted tissue or organ, e.g. for possible rejection reactions after a transplant
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
- G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/72—Devices for measuring pulsing fluid flows
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/30—Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors
- H10N30/302—Sensors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
- A61B2562/028—Microscale sensors, e.g. electromechanical sensors [MEMS]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/372—Arrangements in connection with the implantation of stimulators
- A61N1/37211—Means for communicating with stimulators
- A61N1/37252—Details of algorithms or data aspects of communication system, e.g. handshaking, transmitting specific data or segmenting data
- A61N1/37288—Communication to several implantable medical devices within one patient
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/161,658 | 1998-09-29 | ||
| US09/161,658 US6237398B1 (en) | 1997-12-30 | 1998-09-29 | System and method for monitoring pressure, flow and constriction parameters of plumbing and blood vessels |
| PCT/US1999/021777 WO2000019184A1 (en) | 1998-09-29 | 1999-09-24 | System and method for monitoring pressure, flow and constriction parameters of plumbing and blood vessels |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2313431A1 CA2313431A1 (en) | 2000-04-06 |
| CA2313431C true CA2313431C (en) | 2002-05-28 |
Family
ID=22582165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002313431A Expired - Fee Related CA2313431C (en) | 1998-09-29 | 1999-09-24 | System and method for monitoring pressure, flow and constriction parameters of plumbing and blood vessels |
Country Status (5)
Families Citing this family (146)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030036746A1 (en) | 2001-08-16 | 2003-02-20 | Avi Penner | Devices for intrabody delivery of molecules and systems and methods utilizing same |
| US7558616B2 (en) * | 1999-03-11 | 2009-07-07 | Biosense, Inc. | Guidance of invasive medical procedures using implantable tags |
| US7174201B2 (en) * | 1999-03-11 | 2007-02-06 | Biosense, Inc. | Position sensing system with integral location pad and position display |
| US7549960B2 (en) * | 1999-03-11 | 2009-06-23 | Biosense, Inc. | Implantable and insertable passive tags |
| US7590441B2 (en) * | 1999-03-11 | 2009-09-15 | Biosense, Inc. | Invasive medical device with position sensing and display |
| US6764446B2 (en) | 2000-10-16 | 2004-07-20 | Remon Medical Technologies Ltd | Implantable pressure sensors and methods for making and using them |
| US7024248B2 (en) * | 2000-10-16 | 2006-04-04 | Remon Medical Technologies Ltd | Systems and methods for communicating with implantable devices |
| US7283874B2 (en) | 2000-10-16 | 2007-10-16 | Remon Medical Technologies Ltd. | Acoustically powered implantable stimulating device |
| US7369890B2 (en) * | 2000-11-02 | 2008-05-06 | Cardiac Pacemakers, Inc. | Technique for discriminating between coordinated and uncoordinated cardiac rhythms |
| US8372139B2 (en) | 2001-02-14 | 2013-02-12 | Advanced Bio Prosthetic Surfaces, Ltd. | In vivo sensor and method of making same |
| US6652464B2 (en) | 2000-12-18 | 2003-11-25 | Biosense, Inc. | Intracardiac pressure monitoring method |
| US6783499B2 (en) | 2000-12-18 | 2004-08-31 | Biosense, Inc. | Anchoring mechanism for implantable telemetric medical sensor |
| US6746404B2 (en) | 2000-12-18 | 2004-06-08 | Biosense, Inc. | Method for anchoring a medical device between tissue |
| US6636769B2 (en) | 2000-12-18 | 2003-10-21 | Biosense, Inc. | Telemetric medical system and method |
| US6638231B2 (en) | 2000-12-18 | 2003-10-28 | Biosense, Inc. | Implantable telemetric medical sensor and method |
| US6658300B2 (en) | 2000-12-18 | 2003-12-02 | Biosense, Inc. | Telemetric reader/charger device for medical sensor |
| US6890303B2 (en) * | 2001-05-31 | 2005-05-10 | Matthew Joseph Fitz | Implantable device for monitoring aneurysm sac parameters |
| US7209783B2 (en) * | 2001-06-15 | 2007-04-24 | Cardiac Pacemakers, Inc. | Ablation stent for treating atrial fibrillation |
| US7493162B2 (en) * | 2001-06-15 | 2009-02-17 | Cardiac Pacemakers, Inc. | Pulmonary vein stent for treating atrial fibrillation |
| WO2003021193A2 (en) * | 2001-08-29 | 2003-03-13 | Conagra Grocery Products Company | Device and method for removing build-up on measurement gauges |
| US7340303B2 (en) * | 2001-09-25 | 2008-03-04 | Cardiac Pacemakers, Inc. | Evoked response sensing for ischemia detection |
| US6794793B2 (en) * | 2001-09-27 | 2004-09-21 | Memx, Inc. | Microelectromechnical system for tilting a platform |
| US7223282B1 (en) * | 2001-09-27 | 2007-05-29 | Advanced Cardiovascular Systems, Inc. | Remote activation of an implantable device |
| US7770436B2 (en) * | 2001-10-31 | 2010-08-10 | Rheosense, Inc. | Micro rheometer for measuring flow viscosity and elasticity for micron sample volumes |
| US6666826B2 (en) * | 2002-01-04 | 2003-12-23 | Cardiac Pacemakers, Inc. | Method and apparatus for measuring left ventricular pressure |
| US7699059B2 (en) * | 2002-01-22 | 2010-04-20 | Cardiomems, Inc. | Implantable wireless sensor |
| US6855115B2 (en) * | 2002-01-22 | 2005-02-15 | Cardiomems, Inc. | Implantable wireless sensor for pressure measurement within the heart |
| US7236821B2 (en) * | 2002-02-19 | 2007-06-26 | Cardiac Pacemakers, Inc. | Chronically-implanted device for sensing and therapy |
| US7061381B2 (en) * | 2002-04-05 | 2006-06-13 | Beezerbug Incorporated | Ultrasonic transmitter and receiver systems and products using the same |
| US7261733B1 (en) * | 2002-06-07 | 2007-08-28 | Endovascular Technologies, Inc. | Endovascular graft with sensors design and attachment methods |
| US7025778B2 (en) * | 2002-06-07 | 2006-04-11 | Endovascular Technologies, Inc. | Endovascular graft with pressure, temperature, flow and voltage sensors |
| US7399313B2 (en) * | 2002-06-07 | 2008-07-15 | Brown Peter S | Endovascular graft with separable sensors |
| US7060075B2 (en) * | 2002-07-18 | 2006-06-13 | Biosense, Inc. | Distal targeting of locking screws in intramedullary nails |
| US7147604B1 (en) | 2002-08-07 | 2006-12-12 | Cardiomems, Inc. | High Q factor sensor |
| JP4436258B2 (ja) * | 2002-08-16 | 2010-03-24 | マイクロチップス・インコーポレーテッド | 制御された放出デバイスおよび方法 |
| US7072711B2 (en) | 2002-11-12 | 2006-07-04 | Cardiac Pacemakers, Inc. | Implantable device for delivering cardiac drug therapy |
| US8353857B2 (en) * | 2003-06-23 | 2013-01-15 | Codman & Shurtleff, Inc. | Implantable medical device having pressure sensors for diagnosing the performance of an implanted medical device |
| US7114312B2 (en) * | 2003-07-17 | 2006-10-03 | Microchips, Inc. | Low temperature methods for hermetically sealing reservoir devices |
| WO2005016558A2 (en) * | 2003-08-04 | 2005-02-24 | Microchips, Inc. | Methods for accelerated release of material from a reservoir device |
| US7320675B2 (en) | 2003-08-21 | 2008-01-22 | Cardiac Pacemakers, Inc. | Method and apparatus for modulating cellular metabolism during post-ischemia or heart failure |
| WO2005027998A2 (en) * | 2003-09-16 | 2005-03-31 | Cardiomems, Inc. | Implantable wireless sensor |
| US7245117B1 (en) * | 2004-11-01 | 2007-07-17 | Cardiomems, Inc. | Communicating with implanted wireless sensor |
| US8870787B2 (en) * | 2003-09-16 | 2014-10-28 | Cardiomems, Inc. | Ventricular shunt system and method |
| US8026729B2 (en) | 2003-09-16 | 2011-09-27 | Cardiomems, Inc. | System and apparatus for in-vivo assessment of relative position of an implant |
| US7559894B2 (en) * | 2003-09-18 | 2009-07-14 | New Paradigm Concepts, LLC | Multiparameter whole blood monitor and method |
| US20060287590A1 (en) * | 2003-09-18 | 2006-12-21 | Mceowen Edwin L | Noninvasive vital sign measurement device |
| US20050065592A1 (en) * | 2003-09-23 | 2005-03-24 | Asher Holzer | System and method of aneurism monitoring and treatment |
| US20050165317A1 (en) * | 2003-11-04 | 2005-07-28 | Turner Nicholas M. | Medical devices |
| US7840263B2 (en) * | 2004-02-27 | 2010-11-23 | Cardiac Pacemakers, Inc. | Method and apparatus for device controlled gene expression |
| WO2006085908A2 (en) * | 2004-06-01 | 2006-08-17 | Microchips, Inc. | Devices and methods for measuring and enhancing drug or analyte transport to/from medical implant |
| US7764995B2 (en) | 2004-06-07 | 2010-07-27 | Cardiac Pacemakers, Inc. | Method and apparatus to modulate cellular regeneration post myocardial infarct |
| US20070036835A1 (en) * | 2004-07-19 | 2007-02-15 | Microchips, Inc. | Hermetically Sealed Devices for Controlled Release or Exposure of Reservoir Contents |
| US7828711B2 (en) * | 2004-08-16 | 2010-11-09 | Cardiac Pacemakers, Inc. | Method and apparatus for modulating cellular growth and regeneration using ventricular assist device |
| US7567841B2 (en) * | 2004-08-20 | 2009-07-28 | Cardiac Pacemakers, Inc. | Method and apparatus for delivering combined electrical and drug therapies |
| ATE424928T1 (de) * | 2004-09-01 | 2009-03-15 | Microchips Inc | Behältervorrichtungen mit mehreren verschlüssen zur gesteuerten abgabe oder exponierung des behälterinhalts |
| US8271093B2 (en) * | 2004-09-17 | 2012-09-18 | Cardiac Pacemakers, Inc. | Systems and methods for deriving relative physiologic measurements using a backend computing system |
| US20060064134A1 (en) * | 2004-09-17 | 2006-03-23 | Cardiac Pacemakers, Inc. | Systems and methods for deriving relative physiologic measurements |
| US7918800B1 (en) * | 2004-10-08 | 2011-04-05 | Endovascular Technologies, Inc. | Aneurysm sensing devices and delivery systems |
| CN101080359A (zh) | 2004-11-04 | 2007-11-28 | 微芯片公司 | 压入式冷焊密封方法和装置 |
| US7813808B1 (en) | 2004-11-24 | 2010-10-12 | Remon Medical Technologies Ltd | Implanted sensor system with optimized operational and sensing parameters |
| US8060219B2 (en) | 2004-12-20 | 2011-11-15 | Cardiac Pacemakers, Inc. | Epicardial patch including isolated extracellular matrix with pacing electrodes |
| US7981065B2 (en) | 2004-12-20 | 2011-07-19 | Cardiac Pacemakers, Inc. | Lead electrode incorporating extracellular matrix |
| CA2595457A1 (en) * | 2005-01-25 | 2006-08-03 | Microchips, Inc. | Control of drug release by transient modification of local microenvironments |
| US7647836B2 (en) * | 2005-02-10 | 2010-01-19 | Cardiomems, Inc. | Hermetic chamber with electrical feedthroughs |
| US7662653B2 (en) * | 2005-02-10 | 2010-02-16 | Cardiomems, Inc. | Method of manufacturing a hermetic chamber with electrical feedthroughs |
| US8118749B2 (en) * | 2005-03-03 | 2012-02-21 | Cardiomems, Inc. | Apparatus and method for sensor deployment and fixation |
| US8021307B2 (en) | 2005-03-03 | 2011-09-20 | Cardiomems, Inc. | Apparatus and method for sensor deployment and fixation |
| CA2599965C (en) * | 2005-03-04 | 2014-05-06 | Cardiomems, Inc. | Communicating with an implanted wireless sensor |
| US7499748B2 (en) * | 2005-04-11 | 2009-03-03 | Cardiac Pacemakers, Inc. | Transvascular neural stimulation device |
| US7617003B2 (en) * | 2005-05-16 | 2009-11-10 | Cardiac Pacemakers, Inc. | System for selective activation of a nerve trunk using a transvascular reshaping lead |
| US7621036B2 (en) * | 2005-06-21 | 2009-11-24 | Cardiomems, Inc. | Method of manufacturing implantable wireless sensor for in vivo pressure measurement |
| WO2007002185A2 (en) | 2005-06-21 | 2007-01-04 | Cardiomems, Inc. | Method of manufacturing implantable wireless sensor for in vivo pressure measurement |
| US9265949B2 (en) * | 2005-06-28 | 2016-02-23 | Cardiac Pacemakers, Inc. | Method and apparatus for controlling cardiac therapy based on electromechanical timing |
| JP5014132B2 (ja) * | 2005-07-20 | 2012-08-29 | パナソニック株式会社 | 超音波診断装置 |
| CA2621799C (en) | 2005-09-06 | 2013-07-02 | Cardiomems, Inc. | Preventing false locks in a system that communicates with an implanted wireless sensor |
| US7742815B2 (en) | 2005-09-09 | 2010-06-22 | Cardiac Pacemakers, Inc. | Using implanted sensors for feedback control of implanted medical devices |
| US8649875B2 (en) | 2005-09-10 | 2014-02-11 | Artann Laboratories Inc. | Systems for remote generation of electrical signal in tissue based on time-reversal acoustics |
| US7616990B2 (en) | 2005-10-24 | 2009-11-10 | Cardiac Pacemakers, Inc. | Implantable and rechargeable neural stimulator |
| US20070142727A1 (en) * | 2005-12-15 | 2007-06-21 | Cardiac Pacemakers, Inc. | System and method for analyzing cardiovascular pressure measurements made within a human body |
| US8078278B2 (en) * | 2006-01-10 | 2011-12-13 | Remon Medical Technologies Ltd. | Body attachable unit in wireless communication with implantable devices |
| US20070208390A1 (en) * | 2006-03-01 | 2007-09-06 | Von Arx Jeffrey A | Implantable wireless sound sensor |
| EP1993436B1 (en) * | 2006-03-14 | 2014-06-11 | CardioMems, Inc. | Communicating with an implanted wireless sensor |
| US7744542B2 (en) * | 2006-04-20 | 2010-06-29 | Cardiac Pacemakers, Inc. | Implanted air passage sensors |
| US7650185B2 (en) * | 2006-04-25 | 2010-01-19 | Cardiac Pacemakers, Inc. | System and method for walking an implantable medical device from a sleep state |
| US8968204B2 (en) * | 2006-06-12 | 2015-03-03 | Transonic Systems, Inc. | System and method of perivascular pressure and flow measurement |
| JP5241714B2 (ja) | 2006-07-07 | 2013-07-17 | プロテウス デジタル ヘルス， インコーポレイテッド | スマートな非経口送達システム |
| WO2008008845A2 (en) * | 2006-07-11 | 2008-01-17 | Microchips, Inc. | Multi-reservoir pump device for dialysis, biosensing, or delivery of substances |
| US7955268B2 (en) | 2006-07-21 | 2011-06-07 | Cardiac Pacemakers, Inc. | Multiple sensor deployment |
| US20080058772A1 (en) * | 2006-08-31 | 2008-03-06 | Robertson Timothy L | Personal paramedic |
| US20080171941A1 (en) * | 2007-01-12 | 2008-07-17 | Huelskamp Paul J | Low power methods for pressure waveform signal sampling using implantable medical devices |
| WO2008118908A1 (en) * | 2007-03-26 | 2008-10-02 | Remon Medical Technologies, Ltd. | Biased acoustic switch for implantable medical device |
| US8105261B2 (en) | 2007-07-02 | 2012-01-31 | Cardiac Pacemakers, Inc. | Osmotic devices and methods for diuretic therapy |
| US7734349B2 (en) * | 2007-07-18 | 2010-06-08 | Cardiac Pacemakers, Inc. | Osmometric heart monitoring device and methods |
| US20090024047A1 (en) * | 2007-07-20 | 2009-01-22 | Cardiac Pacemakers, Inc. | Devices and methods for respiration therapy |
| DE102007038801A1 (de) | 2007-08-17 | 2009-02-19 | Biotronik Crm Patent Ag | Implantierbare Druckmesseinrichtung und Anordnung zur Innendruckmessung in einem Blutgefäß |
| US7922663B2 (en) * | 2007-09-24 | 2011-04-12 | Cardiac Pacemakers, Inc. | Implantable ultrasound system for maintaining vessel patency and perfusion |
| US9125979B2 (en) | 2007-10-25 | 2015-09-08 | Proteus Digital Health, Inc. | Fluid transfer port information system |
| WO2009067463A1 (en) | 2007-11-19 | 2009-05-28 | Proteus Biomedical, Inc. | Body-associated fluid transport structure evaluation devices |
| US8903481B2 (en) * | 2007-12-14 | 2014-12-02 | Cardiac Pacemakers, Inc. | System for contextual display of data from an implantable medical device |
| US8403908B2 (en) | 2007-12-17 | 2013-03-26 | Hospira, Inc. | Differential pressure based flow sensor assembly for medication delivery monitoring and method of using the same |
| US8517990B2 (en) | 2007-12-18 | 2013-08-27 | Hospira, Inc. | User interface improvements for medical devices |
| JP5211177B2 (ja) | 2008-02-11 | 2013-06-12 | カーディアック ペースメイカーズ， インコーポレイテッド | 心臓内の調律識別のための血行動態の監視方法 |
| WO2009102640A1 (en) | 2008-02-12 | 2009-08-20 | Cardiac Pacemakers, Inc. | Systems and methods for controlling wireless signal transfers between ultrasound-enabled medical devices |
| DE102008024737B3 (de) * | 2008-05-20 | 2010-01-07 | SectorCon Ingenieurgesellschaft für System- und Softwaretechnik mbH | Piezoelektrischer Sensor zur Druckfluktuationsmessung |
| US20090312650A1 (en) * | 2008-06-12 | 2009-12-17 | Cardiac Pacemakers, Inc. | Implantable pressure sensor with automatic measurement and storage capabilities |
| US8798761B2 (en) * | 2008-06-27 | 2014-08-05 | Cardiac Pacemakers, Inc. | Systems and methods of monitoring the acoustic coupling of medical devices |
| US20100023091A1 (en) * | 2008-07-24 | 2010-01-28 | Stahmann Jeffrey E | Acoustic communication of implantable device status |
| US9849294B2 (en) * | 2008-08-11 | 2017-12-26 | Cardiac Pacemakers, Inc. | Systems and methods for controlling rate responsive pacing |
| US7819838B2 (en) * | 2008-09-02 | 2010-10-26 | Hospira, Inc. | Cassette for use in a medication delivery flow sensor assembly and method of making the same |
| JP5465252B2 (ja) | 2008-10-10 | 2014-04-09 | カーディアック ペースメイカーズ， インコーポレイテッド | 肺動脈圧力測定値を使用して心拍出量を確定するシステムおよび方法 |
| US8593107B2 (en) | 2008-10-27 | 2013-11-26 | Cardiac Pacemakers, Inc. | Methods and systems for recharging an implanted device by delivering a section of a charging device adjacent the implanted device within a body |
| US20100114063A1 (en) * | 2008-11-04 | 2010-05-06 | Angiodynamics, Inc. | Catheter injection monitoring device |
| US8632470B2 (en) * | 2008-11-19 | 2014-01-21 | Cardiac Pacemakers, Inc. | Assessment of pulmonary vascular resistance via pulmonary artery pressure |
| US20130053711A1 (en) * | 2009-10-30 | 2013-02-28 | Rama Krishna KOTLANKA | Implantable Device for Detecting Variation in Fluid Flow Rate |
| JP5841951B2 (ja) | 2010-02-01 | 2016-01-13 | プロテウス デジタル ヘルス， インコーポレイテッド | データ収集システム |
| CN102905612A (zh) | 2010-02-01 | 2013-01-30 | 普罗秋斯数字健康公司 | 双腕式数据采集系统 |
| US10451532B2 (en) | 2010-04-26 | 2019-10-22 | Rheosense, Inc. | Portable viscometer |
| WO2013002656A1 (en) * | 2011-06-30 | 2013-01-03 | Lee Pedro Jose | Flow rate determination method and apparatus |
| US9240002B2 (en) | 2011-08-19 | 2016-01-19 | Hospira, Inc. | Systems and methods for a graphical interface including a graphical representation of medical data |
| US10022498B2 (en) | 2011-12-16 | 2018-07-17 | Icu Medical, Inc. | System for monitoring and delivering medication to a patient and method of using the same to minimize the risks associated with automated therapy |
| JP6306566B2 (ja) | 2012-03-30 | 2018-04-04 | アイシーユー・メディカル・インコーポレーテッド | 注入システムのポンプ内の空気を検出するための空気検出システムおよび方法 |
| CA3089257C (en) | 2012-07-31 | 2023-07-25 | Icu Medical, Inc. | Patient care system for critical medications |
| US9167684B2 (en) | 2013-05-24 | 2015-10-20 | Nokia Technologies Oy | Apparatus and method for forming printed circuit board using fluid reservoirs and connected fluid channels |
| AU2014268355B2 (en) | 2013-05-24 | 2018-06-14 | Icu Medical, Inc. | Multi-sensor infusion system for detecting air or an occlusion in the infusion system |
| ES2845748T3 (es) | 2013-05-29 | 2021-07-27 | Icu Medical Inc | Sistema de infusión y método de uso que impiden la sobresaturación de un convertidor analógico-digital |
| EP3003441B1 (en) | 2013-05-29 | 2020-12-02 | ICU Medical, Inc. | Infusion system which utilizes one or more sensors and additional information to make an air determination regarding the infusion system |
| US9592327B2 (en) | 2013-09-06 | 2017-03-14 | Cardiac Pacemakers, Inc. | Systems and methods for heart failure management |
| US20150133861A1 (en) | 2013-11-11 | 2015-05-14 | Kevin P. McLennan | Thermal management system and method for medical devices |
| AU2015222800B2 (en) | 2014-02-28 | 2019-10-17 | Icu Medical, Inc. | Infusion system and method which utilizes dual wavelength optical air-in-line detection |
| CN113155673A (zh) | 2014-04-11 | 2021-07-23 | 电流感应器公司 | 粘度计和使用该粘度计的方法 |
| AU2015266706B2 (en) | 2014-05-29 | 2020-01-30 | Icu Medical, Inc. | Infusion system and pump with configurable closed loop delivery rate catch-up |
| US10143795B2 (en) | 2014-08-18 | 2018-12-04 | Icu Medical, Inc. | Intravenous pole integrated power, control, and communication system and method for an infusion pump |
| US11344668B2 (en) | 2014-12-19 | 2022-05-31 | Icu Medical, Inc. | Infusion system with concurrent TPN/insulin infusion |
| US10850024B2 (en) | 2015-03-02 | 2020-12-01 | Icu Medical, Inc. | Infusion system, device, and method having advanced infusion features |
| CA2987011A1 (en) | 2015-05-26 | 2016-12-01 | Icu Medical, Inc. | Disposable infusion fluid delivery device for programmable large volume drug delivery |
| WO2017197024A1 (en) | 2016-05-13 | 2017-11-16 | Icu Medical, Inc. | Infusion pump system and method with common line auto flush |
| US10849545B2 (en) | 2016-06-02 | 2020-12-01 | Cardiac Pacemakers, Inc. | Acute kidney injury detection system and methods |
| WO2017214441A1 (en) | 2016-06-10 | 2017-12-14 | Icu Medical, Inc. | Acoustic flow sensor for continuous medication flow measurements and feedback control of infusion |
| KR20190066624A (ko) * | 2016-10-17 | 2019-06-13 | 매사추세츠 인스티튜트 오브 테크놀로지 | 배관-내 누설 감지 시스템들, 디바이스들, 및 방법들 |
| US10089055B1 (en) | 2017-12-27 | 2018-10-02 | Icu Medical, Inc. | Synchronized display of screen content on networked devices |
| WO2019152851A1 (en) * | 2018-02-02 | 2019-08-08 | Cornell University | Acoustic transponders for wireless pressure monitoring using flexible acoustic resonators |
| DE102019200754A1 (de) * | 2019-01-22 | 2020-07-23 | Atlas Elektronik Gmbh | Piezokeramisches Hydrophon mit metallischer Beschichtung |
| USD939079S1 (en) | 2019-08-22 | 2021-12-21 | Icu Medical, Inc. | Infusion pump |
| US11278671B2 (en) | 2019-12-04 | 2022-03-22 | Icu Medical, Inc. | Infusion pump with safety sequence keypad |
| EP4185260A1 (en) | 2020-07-21 | 2023-05-31 | ICU Medical, Inc. | Fluid transfer devices and methods of use |
| US11135360B1 (en) | 2020-12-07 | 2021-10-05 | Icu Medical, Inc. | Concurrent infusion with common line auto flush |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4480483A (en) * | 1983-04-06 | 1984-11-06 | Westinghouse Electric Corp. | Acousto-optical ultrasonic flowmeter |
| US4680957A (en) * | 1985-05-02 | 1987-07-21 | The Davey Company | Non-invasive, in-line consistency measurement of a non-newtonian fluid |
| US5855609A (en) | 1992-08-24 | 1999-01-05 | Lipomatrix, Incorporated (Bvi) | Medical information transponder implant and tracking system |
| US5873835A (en) * | 1993-04-29 | 1999-02-23 | Scimed Life Systems, Inc. | Intravascular pressure and flow sensor |
| IL108470A (en) | 1994-01-28 | 1998-12-06 | Mizur Technology Ltd | Passive sensor system using ultrasonic energy |
| US5409009A (en) * | 1994-03-18 | 1995-04-25 | Medtronic, Inc. | Methods for measurement of arterial blood flow |
| US5626630A (en) | 1994-10-13 | 1997-05-06 | Ael Industries, Inc. | Medical telemetry system using an implanted passive transponder |
| US5641915A (en) * | 1995-02-03 | 1997-06-24 | Lockheed Idaho Technologies Company | Device and method for measuring multi-phase fluid flow in a conduit using an elbow flow meter |
| US5639972A (en) * | 1995-03-31 | 1997-06-17 | Caldon, Inc. | Apparatus for determining fluid flow |
| SE9504233D0 (sv) | 1995-11-27 | 1995-11-27 | Pacesetter Ab | Implantable medical device |
| US5833603A (en) * | 1996-03-13 | 1998-11-10 | Lipomatrix, Inc. | Implantable biosensing transponder |
| US5911685A (en) * | 1996-04-03 | 1999-06-15 | Guidant Corporation | Method and apparatus for cardiac blood flow assistance |
| US5776324A (en) | 1996-05-17 | 1998-07-07 | Encelle, Inc. | Electrochemical biosensors |
| ES2208963T3 (es) | 1997-01-03 | 2004-06-16 | Biosense, Inc. | Endoprotesis vascular sensible a la presion. |
| WO1999017095A1 (en) | 1997-09-30 | 1999-04-08 | M-Biotech, Inc. | Biosensor |
| US5807258A (en) | 1997-10-14 | 1998-09-15 | Cimochowski; George E. | Ultrasonic sensors for monitoring the condition of a vascular graft |
| US5967986A (en) * | 1997-11-25 | 1999-10-19 | Vascusense, Inc. | Endoluminal implant with fluid flow sensing capability |
| US5891180A (en) | 1998-04-29 | 1999-04-06 | Medtronic Inc. | Interrogation of an implantable medical device using audible sound communication |
-
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- 1999-09-24 WO PCT/US1999/021777 patent/WO2000019184A1/en active Application Filing
- 1999-09-24 EP EP99948351A patent/EP1117982A4/en not_active Withdrawn
- 1999-09-24 CA CA002313431A patent/CA2313431C/en not_active Expired - Fee Related
- 1999-09-24 AU AU61552/99A patent/AU6155299A/en not_active Abandoned
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| WO2000019184A1 (en) | 2000-04-06 |
| US6237398B1 (en) | 2001-05-29 |
| CA2313431A1 (en) | 2000-04-06 |
| EP1117982A4 (en) | 2004-07-28 |
| EP1117982A1 (en) | 2001-07-25 |
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