US Patent No: 6,685,668

Number of patents in Portfolio can not be more than 2000

Closed-loop IV fluid flow control

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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In a closed-loop process, a controller uses a flow sensor to monitor the flow of a medicinal fluid being infused into a patient, to achieve a desired rate of flow. A relatively inexpensive peristaltic pump or electronically controlled valve can be used to vary the flow of the medicinal fluid through a fluid line. A Y site within the fluid line includes an integral flow sensor having an orifice. The flow sensor includes proximal and distal pressure sensors disposed on opposite sides of the orifice to monitor the distal and proximal pressure, producing a signal indicative of the rate of flow of the medicinal fluid through the fluid line. A signal produced by the controller is input to a motor driving the pump or to the valve to vary the rate of flow as required to achieve the desired infusion rate of the medicinal fluid.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
HOSPIRA, INC.LAKE FOREST, IL244

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cho, Steve T Santa Clara, CA 16 694
Clark, Gene E Redwood, CA 7 241

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (1)
* 6,280,408 Controlled fluid transfer system 128 1999
 
INFUSALD CORPORATION, A CORP. OF DE. (1)
4,447,224 Variable flow implantable infusion apparatus 230 1982
 
MEDTRONIC MINIMED, INC. (1)
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Advanced Cardiovascular Systems, Inc. (1)
* 5,342,298 Automated fluid pressure control system 114 1992
 
Baxter Travenol Laboratories, Inc. (1)
* 4,925,444 Closed multi-fluid delivery system and method 263 1987
 
INSET TECHNOLOGIES INCORPORATED (1)
4,443,218 Programmable implantable infusate pump 345 1982
 
American Cyanamid Company (1)
* 5,429,601 Aspiration control system 68 1993
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (1)
* 2010/0286,599 CASSETTE FOR USE IN A MEDICATION DELIVERY FLOW SENSOR ASSEMBLY AND METHOD OF MAKING THE SAME 2 2010
 
KONINKLIJKE PHILIPS ELECTRONICS N.V. (2)
8,784,367 Sensor and control unit for flow control and a method for controlled delivery of fluid 0 2009
* 2011/0118,705 SENSOR AND CONTROL UNIT FOR FLOW CONTROL AND A METHOD FOR CONTROLLED DELIVERY OF FLUID 1 2009
 
ROSLIN, MITCHELL STEVEN (1)
8,251,888 Artificial gastric valve 2 2006
 
ROSLIN, MITCHELL (1)
8,623,042 Artificial gastric valve 0 2010
 
BROOKS INSTRUMENT, LLC (4)
7,117,104 Ultrasonic liquid flow controller 13 2004
* 2005/0288,873 Ultrasonic liquid flow controller 5 2004
7,360,448 Ultrasonic flow sensor having reflecting interface 5 2006
* 2007/0034,016 Ultrasonic flow sensor 7 2006
 
JACOBSON TECHNOLOGIES, LLC D/B/A SOLOMON SCIENTIFIC (2)
* 2008/0039,820 Medical Device With Septum 29 2007
* 2009/0234,285 CONTROLLED SUBSTANCE DELIVERY NETWORK SYSTEMS AND METHODS THEREOF 3 2009
 
FRESENIUS MEDICAL CARE HOLDINGS, INC. (1)
* 2010/0222,735 PORTABLE APPARATUS FOR PERITONEAL DIALYSIS THERAPY 13 2010
 
DEXCOM, INC. (40)
7,783,333 Transcutaneous medical device with variable stiffness 128 2005
7,857,760 Analyte sensor 83 2006
7,640,048 Analyte sensor 378 2006
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8,532,730 Analyte sensor 0 2006
8,911,367 Analyte sensor 2 2007
7,775,975 Analyte sensor 95 2007
7,615,007 Analyte sensor 321 2007
8,425,416 Analyte sensor 0 2008
8,396,528 Analyte sensor 0 2008
8,364,230 Analyte sensor 0 2008
8,364,231 Analyte sensor 0 2008
* 2009/0242,425 ANALYTE SENSOR 429 2008
* 2008/0197,024 ANALYTE SENSOR 361 2008
8,812,072 Transcutaneous medical device with variable stiffness 0 2008
* 2008/0194,938 TRANSCUTANEOUS MEDICAL DEVICE WITH VARIABLE STIFFNESS 342 2008
8,562,558 Integrated medicament delivery device for use with continuous analyte sensor 1 2008
* 2008/0306,435 INTEGRATED MEDICAMENT DELIVERY DEVICE FOR USE WITH CONTINUOUS ANALYTE SENSOR 437 2008
8,886,273 Analyte sensor 1 2008
8,626,257 Analyte sensor 0 2008
8,562,528 Analyte sensor 0 2008
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8,449,464 Analyte sensor 0 2008
8,447,376 Analyte sensor 0 2008
8,425,417 Integrated device for continuous in vivo analyte detection and simultaneous control of an infusion device 2 2008
8,298,142 Analyte sensor 8 2008
8,287,453 Analyte sensor 12 2008
8,275,438 Analyte sensor 13 2008
* 2009/0178,459 ANALYTE SENSOR 288 2008
* 2009/0182,217 ANALYTE SENSOR 436 2008
* 2009/0137,887 ANALYTE SENSOR 318 2008
* 2009/0131,768 ANALYTE SENSOR 309 2008
* 2009/0131,776 ANALYTE SENSOR 309 2008
* 2009/0131,777 ANALYTE SENSOR 307 2008
* 2009/0131,769 ANALYTE SENSOR 310 2008
* 2009/0124,964 INTEGRATED DEVICE FOR CONTINUOUS IN VIVO ANALYTE DETECTION AND SIMULTANEOUS CONTROL OF AN INFUSION DEVICE 309 2008
* 2009/0287,074 ANALYTE SENSOR 388 2009
8,750,955 Analyte sensor 0 2009
* 2010/0081,910 ANALYTE SENSOR 266 2009
* 2010/0298,684 ANALYTE SENSOR 104 2010
 
INSTECH LABORATORIES, INC. (4)
8,425,469 Systems and methods for controlled substance delivery network 0 2008
* 2008/0306,437 SYSTEMS AND METHODS FOR CONTROLLED SUBSTANCE DELIVERY NETWORK 4 2008
8,394,077 Controlled delivery of substances system and method 0 2010
* 2011/0087,189 CONTROLLED DELIVERY OF SUBSTANCES SYSTEM AND METHOD 3 2010
 
IVENIX, INC. (8)
* 2009/0131,863 Volume Measurement Using Gas Laws 12 2007
* 2010/0063,765 Flow Sensor Calibrated by Volume Changes 13 2007
7,654,982 Flow control system and method with variable pressure and variable resistance 14 2007
7,847,276 Impulse analysis for flow sensor-based fluid control system 2 2008
* 2009/0234,594 IMPULSE ANALYSIS FOR FLOW SENSOR-BASED FLUID CONTROL SYSTEM 18 2008
7,895,882 Density analysis for flow sensor-based fluid control system 2 2008
* 2009/0229,374 Density Analysis for Flow Sensor-Based Fluid Control System 16 2008
8,067,760 Impulse analysis for flow sensor-based fluid control system 2 2010
 
Integrated Sensing Systems, Inc. (1)
* 2006/0211,981 MEDICAL TREATMENT PROCEDURE AND SYSTEM IN WHICH BIDIRECTIONAL FLUID FLOW IS SENSED 2 2005
 
CAREFUSION 303, INC. (3)
8,211,054 System and method for controlling administration of medical fluid 2 2006
* 2007/0255,199 System and method for controlling administration of medical fluid 8 2006
9,095,652 System and method for controlling administration of medical fluid 0 2012
 
Hospira, Inc. (14)
* 2004/0231,432 FLUID FLOW MEASUREMENT DEVICE 1 2003
6,813,964 Fluid flow measurement device 45 2003
6,964,204 Fluid flow measurement device 30 2004
7,082,843 Fluid flow measurement device 32 2005
8,403,908 Differential pressure based flow sensor assembly for medication delivery monitoring and method of using the same 0 2008
* 2009/0157,040 DIFFERENTIAL PRESSURE BASED FLOW SENSOR ASSEMBLY FOR MEDICATION DELIVERY MONITORING AND METHOD OF USING THE SAME 8 2008
8,065,924 Cassette for differential pressure based medication delivery flow sensor assembly for medication delivery monitoring and method of making the same 0 2009
8,048,022 Cassette for differential pressure based medication delivery flow sensor assembly for medication delivery monitoring and method of making the same 0 2009
7,819,838 Cassette for use in a medication delivery flow sensor assembly and method of making the same 2 2009
* 2010/0198,155 CASSETTE FOR DIFFERENTIAL PRESSURE BASED MEDICATION DELIVERY FLOW SENSOR ASSEMBLY FOR MEDICATION DELIVERY MONITORING AND METHOD OF MAKING THE SAME 1 2009
* 2010/0057,058 CASSETTE FOR USE IN A MEDICATION DELIVERY FLOW SENSOR ASSEMBLY AND METHOD OF MAKING THE SAME 5 2009
* 2009/0288,497 CASSETTE FOR DIFFERENTIAL PRESSURE BASED MEDICATION DELIVERY FLOW SENSOR ASSEMBLY FOR MEDICATION DELIVERY MONITORING AND METHOD OF MAKING THE SAME 2 2009
8,657,778 Cassette for use in a medication delivery flow sensor assembly and method of making the same 0 2010
9,272,089 Differential pressure based flow sensor assembly for medication delivery monitoring and method of using the same 0 2013
 
BAXTER INTERNATIONAL INC. (3)
8,215,157 System and method for measuring liquid viscosity in a fluid delivery system 1 2008
* 2009/0113,996 SYSTEM AND METHOD FOR MEASURING LIQUID VISCOSITY IN A FLUID DELIVERY SYSTEM 6 2008
* 2009/0093,774 AMBULATORY PUMP WITH INTELLIGENT FLOW CONTROL 1 2008
 
DISETRONIC LICENSING AG (1)
* 2003/0135,154 Catheter head comprising a flow sensor 9 2002
 
VITA SPECIAL PURPOSE CORP. II (1)
* 2008/0243,130 Device for the delivery of viscous compositions 2 2008
 
APOLLO ENDOSURGERY, INC. (38)
8,236,023 Apparatus and method for volume adjustment of intragastric balloons 4 2004
* 2007/0173,881 Apparatus and method for volume adjustment of intragastric balloons 51 2004
8,900,117 Releasably-securable one-piece adjustable gastric band 0 2005
8,292,800 Implantable pump system 3 2009
* 2009/0312,785 Implantable Pump System 18 2009
8,317,677 Mechanical gastric band with cushions 4 2009
* 2010/0087,843 Mechanical Gastric Band With Cushions 65 2009
8,366,602 Electrically activated valve for implantable fluid handling system 0 2009
* 2010/0099,945 ELECTRICALLY ACTIVATED VALVE FOR IMPLANTABLE FLUID HANDLING SYSTEM 32 2009
8,678,993 Remotely adjustable gastric banding system 1 2010
* 2011/0201,875 REMOTELY ADJUSTABLE GASTRIC BANDING SYSTEM 1 2010
8,758,221 Source reservoir with potential energy for remotely adjustable gastric banding system 0 2010
* 2011/0208,229 SOURCE RESERVOIR WITH POTENTIAL ENERGY FOR REMOTELY ADJUSTABLE GASTRIC BANDING SYSTEM 0 2010
8,840,541 Pressure sensing gastric banding system 0 2010
8,764,624 Inductively powered remotely adjustable gastric banding system 0 2010
9,028,394 Self-adjusting mechanical gastric band 0 2010
* 2010/0280,310 Laparoscopic Gastric Band With Active Agents 32 2010
9,226,840 Magnetically coupled implantable pump system and method 0 2010
8,517,915 Remotely adjustable gastric banding system 0 2010
8,308,630 Hydraulic gastric band with collapsible reservoir 3 2010
8,382,780 Fatigue-resistant gastric banding device 0 2010
* 2010/0324,359 FATIGUE-RESISTANT GASTRIC BANDING DEVICE 31 2010
9,211,207 Power regulated implant 0 2010
8,377,081 Closure system for tubular organs 0 2010
* 2011/0040,141 CLOSURE SYSTEM FOR TUBULAR ORGANS 1 2010
8,698,373 Pare piezo power with energy recovery 0 2010
8,961,393 Gastric band devices and drive systems 0 2010
* 2011/0184,229 LAPAROSCOPIC GASTRIC BAND WITH ACTIVE AGENTS 3 2011
8,845,513 Remotely adjustable gastric banding device 0 2011
8,323,180 Hydraulic gastric band with collapsible reservoir 2 2011
8,905,915 Self-regulating gastric band with pressure data processing 0 2011
9,044,298 Self-adjusting gastric band 0 2011
8,876,694 Tube connector with a guiding tip 0 2011
8,961,394 Self-sealing fluid joint for use with a gastric band 0 2011
8,900,118 Dome and screw valves for remotely adjustable gastric banding systems 0 2013
9,050,165 Remotely adjustable gastric banding system 0 2013
9,295,573 Self-adjusting gastric band having various compliant components and/or a satiety booster 0 2013
9,192,501 Remotely powered remotely adjustable gastric band system 0 2013
 
Iradimed Corporation (4)
8,469,932 Liquid infusion apparatus 2 2009
* 8,500,694 System and method for communication with an infusion device 1 2012
* 2012/0195,769 SYSTEM AND METHOD FOR COMMUNICATION WITH AN INFUSION DEVICE 3 2012
8,690,829 Non-magnetic medical infusion device 0 2012
 
ALLERGAN, INC. (3)
* 2011/0201,874 REMOTELY ADJUSTABLE GASTRIC BANDING SYSTEM 28 2010
* 2010/0185,049 DOME AND SCREW VALVES FOR REMOTELY ADJUSTABLE GASTRIC BANDING SYSTEMS 36 2010
* 2011/0137,112 GASTRIC BAND WITH ELECTRIC STIMULATION 4 2010
* Cited By Examiner