WO2007098265A3 - Flow sensor calibrated by volume changes - Google Patents
Flow sensor calibrated by volume changes Download PDFInfo
- Publication number
- WO2007098265A3 WO2007098265A3 PCT/US2007/004945 US2007004945W WO2007098265A3 WO 2007098265 A3 WO2007098265 A3 WO 2007098265A3 US 2007004945 W US2007004945 W US 2007004945W WO 2007098265 A3 WO2007098265 A3 WO 2007098265A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- flow sensor
- volume changes
- sensor calibrated
- calibrated
- flow rate
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16804—Flow controllers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/148—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons flexible, e.g. independent bags
- A61M5/1483—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons flexible, e.g. independent bags using flexible bags externally pressurised by fluid pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16886—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body for measuring fluid flow rate, i.e. flowmeters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3306—Optical measuring means
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Reciprocating Pumps (AREA)
- Flow Control (AREA)
Abstract
An infusion pump and method are provided which combine flow rate measurements calibrated by accurate volume measurements over time.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/280,894 US20100063765A1 (en) | 2006-02-27 | 2007-02-27 | Flow Sensor Calibrated by Volume Changes |
EP07751685A EP1999536A4 (en) | 2006-02-27 | 2007-02-27 | Flow sensor calibrated by volume changes |
CA002644559A CA2644559A1 (en) | 2006-02-27 | 2007-02-27 | Flow sensor calibrated by volume changes |
US12/906,077 US20110028937A1 (en) | 2006-02-27 | 2010-10-16 | Automated fluid flow control system |
US14/167,067 US10010686B2 (en) | 2006-02-27 | 2014-01-29 | Fluid control system and disposable assembly |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US77719306P | 2006-02-27 | 2006-02-27 | |
US60/777,193 | 2006-02-27 | ||
USPCT/US07/02039 | 2007-01-23 | ||
PCT/US2007/002039 WO2007106232A2 (en) | 2006-02-27 | 2007-01-23 | Volume measurement using gas laws |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2007/002039 Continuation-In-Part WO2007106232A2 (en) | 2006-02-27 | 2007-01-23 | Volume measurement using gas laws |
US28086908A Continuation-In-Part | 2006-02-27 | 2008-08-27 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/280,894 A-371-Of-International US20100063765A1 (en) | 2006-02-27 | 2007-02-27 | Flow Sensor Calibrated by Volume Changes |
US12/906,077 Continuation-In-Part US20110028937A1 (en) | 2006-02-27 | 2010-10-16 | Automated fluid flow control system |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2007098265A2 WO2007098265A2 (en) | 2007-08-30 |
WO2007098265A3 true WO2007098265A3 (en) | 2008-07-03 |
Family
ID=38438012
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2007/005095 WO2007098287A2 (en) | 2006-02-27 | 2007-02-27 | Flow control system and method with variable pressure and variable resistance |
PCT/US2007/004945 WO2007098265A2 (en) | 2006-02-27 | 2007-02-27 | Flow sensor calibrated by volume changes |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2007/005095 WO2007098287A2 (en) | 2006-02-27 | 2007-02-27 | Flow control system and method with variable pressure and variable resistance |
Country Status (1)
Country | Link |
---|---|
WO (2) | WO2007098287A2 (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2643907A1 (en) | 2006-02-27 | 2007-09-20 | Fluidnet Corporation | Volume measurement using gas laws |
US10010686B2 (en) | 2006-02-27 | 2018-07-03 | Ivenix, Inc. | Fluid control system and disposable assembly |
US8986253B2 (en) | 2008-01-25 | 2015-03-24 | Tandem Diabetes Care, Inc. | Two chamber pumps and related methods |
US7895882B2 (en) | 2008-03-14 | 2011-03-01 | Fluidnet Corporation | Density analysis for flow sensor-based fluid control system |
US7847276B2 (en) | 2008-03-14 | 2010-12-07 | Fluidnet Corporation | Impulse analysis for flow sensor-based fluid control system |
US20110168270A1 (en) * | 2008-12-18 | 2011-07-14 | Fluidnet Corporation | Extended range fluid flow resistor |
WO2011014704A2 (en) | 2009-07-30 | 2011-02-03 | Tandem Diabetes Care, Inc. | Infusion pump system with disposable cartridge having pressure venting and pressure feedback |
US9180242B2 (en) | 2012-05-17 | 2015-11-10 | Tandem Diabetes Care, Inc. | Methods and devices for multiple fluid transfer |
US9173998B2 (en) | 2013-03-14 | 2015-11-03 | Tandem Diabetes Care, Inc. | System and method for detecting occlusions in an infusion pump |
CA3061255C (en) * | 2015-08-28 | 2022-03-15 | Crisi Medical Systems, Inc. | Flow sensor system including transmissive connection |
EP3927391A4 (en) | 2019-02-19 | 2022-11-16 | Tandem Diabetes Care, Inc. | System and method of pairing an infusion pump with a remote control device |
EP3946514A4 (en) | 2019-03-26 | 2022-12-21 | Tandem Diabetes Care, Inc. | Method of pairing an infusion pump with a remote control device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6275284B1 (en) * | 1998-04-23 | 2001-08-14 | Nova Gas Transmission Ltd. | Pipeline optical flow meter |
US6461323B2 (en) * | 2000-05-03 | 2002-10-08 | Reginald H. Fowler | Surgical system pump with flow sensor and method therefor |
US6642999B2 (en) * | 2000-04-13 | 2003-11-04 | Robert Bosch Gmbh | Method and device for analyzing flows |
US20050235733A1 (en) * | 1999-12-17 | 2005-10-27 | Holst Peter A | Method for compensating for pressure differences across valves in cassette type IV pump |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2111196A (en) | 1981-09-28 | 1983-06-29 | Platon Limited G A | Indicating or measuring instruments |
US5207645A (en) | 1991-06-25 | 1993-05-04 | Medication Delivery Devices | Infusion pump, treatment fluid bag therefor, and method for the use thereof |
US5597042A (en) * | 1995-02-09 | 1997-01-28 | Baker Hughes Incorporated | Method for controlling production wells having permanent downhole formation evaluation sensors |
US7255680B1 (en) | 1999-10-27 | 2007-08-14 | Cardinal Health 303, Inc. | Positive pressure infusion system having downstream resistance measurement capability |
US6641562B1 (en) | 2000-05-10 | 2003-11-04 | Hps Medical, Inc. | Apparatus and method of intravenous fluid infusion |
-
2007
- 2007-02-27 WO PCT/US2007/005095 patent/WO2007098287A2/en active Application Filing
- 2007-02-27 WO PCT/US2007/004945 patent/WO2007098265A2/en active Search and Examination
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6275284B1 (en) * | 1998-04-23 | 2001-08-14 | Nova Gas Transmission Ltd. | Pipeline optical flow meter |
US20050235733A1 (en) * | 1999-12-17 | 2005-10-27 | Holst Peter A | Method for compensating for pressure differences across valves in cassette type IV pump |
US6642999B2 (en) * | 2000-04-13 | 2003-11-04 | Robert Bosch Gmbh | Method and device for analyzing flows |
US6461323B2 (en) * | 2000-05-03 | 2002-10-08 | Reginald H. Fowler | Surgical system pump with flow sensor and method therefor |
Non-Patent Citations (1)
Title |
---|
See also references of EP1999536A4 * |
Also Published As
Publication number | Publication date |
---|---|
WO2007098265A2 (en) | 2007-08-30 |
WO2007098287A3 (en) | 2008-02-28 |
WO2007098287A2 (en) | 2007-08-30 |
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