EP2242421A4 - Two chamber pumps and related methods - Google Patents

Two chamber pumps and related methods

Info

Publication number
EP2242421A4
EP2242421A4 EP09704892A EP09704892A EP2242421A4 EP 2242421 A4 EP2242421 A4 EP 2242421A4 EP 09704892 A EP09704892 A EP 09704892A EP 09704892 A EP09704892 A EP 09704892A EP 2242421 A4 EP2242421 A4 EP 2242421A4
Authority
EP
European Patent Office
Prior art keywords
related methods
chamber pumps
pumps
chamber
methods
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.)
Withdrawn
Application number
EP09704892A
Other languages
German (de)
French (fr)
Other versions
EP2242421A2 (en
Inventor
Paul M Diperna
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tandem Diabetes Care Inc
Original Assignee
Tandem Diabetes Care Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tandem Diabetes Care Inc filed Critical Tandem Diabetes Care Inc
Publication of EP2242421A2 publication Critical patent/EP2242421A2/en
Publication of EP2242421A4 publication Critical patent/EP2242421A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F04B43/06—Pumps having fluid drive
    • 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
    • A61M5/1486—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 the bags being substantially completely surrounded by fluid
    • 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
    • A61M5/16809—Flow controllers by repeated filling and emptying of an intermediate volume
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/08—Machines, pumps, or pumping installations having flexible working members having tubular flexible members
    • F04B43/10—Pumps having fluid drive
    • 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
    • A61M2205/3331—Pressure; Flow
    • 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
    • A61M2205/3368—Temperature
EP09704892A 2008-01-25 2009-01-23 Two chamber pumps and related methods Withdrawn EP2242421A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/020,498 US20090191067A1 (en) 2008-01-25 2008-01-25 Two chamber pumps and related methods
PCT/US2009/031906 WO2009094590A2 (en) 2008-01-25 2009-01-23 Two chamber pumps and related methods

Publications (2)

Publication Number Publication Date
EP2242421A2 EP2242421A2 (en) 2010-10-27
EP2242421A4 true EP2242421A4 (en) 2013-03-13

Family

ID=40899426

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09704892A Withdrawn EP2242421A4 (en) 2008-01-25 2009-01-23 Two chamber pumps and related methods

Country Status (3)

Country Link
US (1) US20090191067A1 (en)
EP (1) EP2242421A4 (en)
WO (1) WO2009094590A2 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8986253B2 (en) 2008-01-25 2015-03-24 Tandem Diabetes Care, Inc. Two chamber pumps and related methods
US8056582B2 (en) * 2008-08-08 2011-11-15 Tandem Diabetes Care, Inc. System of stepped flow rate regulation using compressible members
US8408421B2 (en) 2008-09-16 2013-04-02 Tandem Diabetes Care, Inc. Flow regulating stopcocks and related methods
CA2737461A1 (en) 2008-09-19 2010-03-25 Tandem Diabetes Care, Inc. Solute concentration measurement device and related methods
AU2010217760B2 (en) 2009-02-27 2015-04-09 Tandem Diabetes Care, Inc. Methods and devices for determination of flow reservoir volume
US9250106B2 (en) 2009-02-27 2016-02-02 Tandem Diabetes Care, Inc. Methods and devices for determination of flow reservoir volume
EP2459251B1 (en) 2009-07-30 2014-03-12 Tandem Diabetes Care, Inc. Infusion pump system with disposable cartridge having pressure venting and pressure feedback
US8579859B2 (en) * 2009-12-26 2013-11-12 Board Of Regents, The University Of Texas System Fluid balance monitoring system with fluid infusion pump for medical treatment
US9180242B2 (en) 2012-05-17 2015-11-10 Tandem Diabetes Care, Inc. Methods and devices for multiple fluid transfer
US9555186B2 (en) 2012-06-05 2017-01-31 Tandem Diabetes Care, Inc. Infusion pump system with disposable cartridge having pressure venting and pressure feedback
US10444770B2 (en) 2013-02-05 2019-10-15 Ivenix, Inc. Fluid flow measurement and control
US11285262B2 (en) 2013-02-05 2022-03-29 Ivenix, Inc. Fluid flow measurement and control
US9616172B2 (en) * 2013-02-05 2017-04-11 Ivenix, Inc. Fluid flow measurement and control
US9173998B2 (en) 2013-03-14 2015-11-03 Tandem Diabetes Care, Inc. System and method for detecting occlusions in an infusion pump
US9180243B2 (en) 2013-03-15 2015-11-10 Tandem Diabetes Care, Inc. Detection of infusion pump conditions
US11542936B2 (en) 2017-03-24 2023-01-03 Fresenius Kabi Usa, Llc Fluid flow control and delivery via multiple fluid pumps
US11566614B2 (en) 2017-03-24 2023-01-31 Fresenius Kabi Usa, Llc Fluid flow control and delivery via multiple fluid pumps

Citations (4)

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US5938636A (en) * 1997-06-20 1999-08-17 The Bd Of Regents Of The University Of California Autoinfuser for resuscitation and method of infusion fluid injection
US5997501A (en) * 1993-11-18 1999-12-07 Elan Corporation, Plc Intradermal drug delivery device
WO2001030422A1 (en) * 1999-10-27 2001-05-03 Alaris Medical Systems, Inc. Positive pressure infusion system having downstream resistance measurement capability
US20070264130A1 (en) * 2006-01-27 2007-11-15 Phluid, Inc. Infusion Pumps and Methods for Use

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US4432468A (en) * 1981-02-06 1984-02-21 Siff Elliott J Intravenous delivery system
US4443218A (en) * 1982-09-09 1984-04-17 Infusaid Corporation Programmable implantable infusate pump
US4557726A (en) * 1982-12-27 1985-12-10 Consolidated Controls Corporation Precision medication dispensing system and method
US4666430A (en) * 1984-12-05 1987-05-19 I-Flow Corporation Infusion pump
US4684367A (en) * 1985-04-12 1987-08-04 Meditec Research Associates Ambulatory intravenous delivery system
US4636226A (en) * 1985-08-26 1987-01-13 Vbm Corporation High pressure oxygen production system
US4718893A (en) * 1986-02-03 1988-01-12 University Of Minnesota Pressure regulated implantable infusion pump
US4826482A (en) * 1986-03-04 1989-05-02 Kamen Dean L Enhanced pressure measurement flow control system
US4778451A (en) * 1986-03-04 1988-10-18 Kamen Dean L Flow control system using boyle's law
US4976162A (en) * 1987-09-03 1990-12-11 Kamen Dean L Enhanced pressure measurement flow control system
US4673415A (en) * 1986-05-22 1987-06-16 Vbm Corporation Oxygen production system with two stage oxygen pressurization
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US4969884A (en) * 1988-12-28 1990-11-13 Alza Corporation Osmotically driven syringe
US5059182A (en) * 1989-04-12 1991-10-22 David H. Laing Portable infusion device
US5492534A (en) * 1990-04-02 1996-02-20 Pharmetrix Corporation Controlled release portable pump
US5090963A (en) * 1990-10-19 1992-02-25 Product Development (Z.G.S.) Ltd. Electrochemically driven metering medicament dispenser
US5527288A (en) * 1990-12-13 1996-06-18 Elan Medical Technologies Limited Intradermal drug delivery device and method for intradermal delivery of drugs
US5207645A (en) * 1991-06-25 1993-05-04 Medication Delivery Devices Infusion pump, treatment fluid bag therefor, and method for the use thereof
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IE930532A1 (en) * 1993-07-19 1995-01-25 Elan Med Tech Liquid material dispenser and valve
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US5476449A (en) * 1992-12-28 1995-12-19 Richmond; Frank M. Needleless multi-liquid medicament delivery system with membranes
US5421208A (en) * 1994-05-19 1995-06-06 Baxter International Inc. Instantaneous volume measurement system and method for non-invasively measuring liquid parameters
US5785688A (en) * 1996-05-07 1998-07-28 Ceramatec, Inc. Fluid delivery apparatus and method
US5860957A (en) * 1997-02-07 1999-01-19 Sarcos, Inc. Multipathway electronically-controlled drug delivery system
US6186982B1 (en) * 1998-05-05 2001-02-13 Elan Corporation, Plc Subcutaneous drug delivery device with improved filling system
US6213120B1 (en) * 1997-08-21 2001-04-10 Instrumentarium Corporation Device and method for determining gas volume and volumetric changes in a ventilator
US6093312A (en) * 1998-01-22 2000-07-25 Entre Pure, Inc. Ice dispenser with an air-cooled bin
DE19814695C2 (en) * 1998-04-01 2001-09-13 Fresenius Medical Care De Gmbh Cassette for conveying liquids, in particular dialysis liquids, dialysis machine and method for conveying, balancing, dosing and heating a medical fluid
US6458102B1 (en) * 1999-05-28 2002-10-01 Medtronic Minimed, Inc. External gas powered programmable infusion device
US6398760B1 (en) * 1999-10-01 2002-06-04 Baxter International, Inc. Volumetric infusion pump with servo valve control
US6413238B1 (en) * 1999-09-17 2002-07-02 Baxter International Inc Fluid dispenser with stabilized fluid flow
US7291126B2 (en) * 2001-11-26 2007-11-06 Nilimedix Ltd. Drug delivery device and method
US7008403B1 (en) * 2002-07-19 2006-03-07 Cognitive Ventures Corporation Infusion pump and method for use
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Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5997501A (en) * 1993-11-18 1999-12-07 Elan Corporation, Plc Intradermal drug delivery device
US5938636A (en) * 1997-06-20 1999-08-17 The Bd Of Regents Of The University Of California Autoinfuser for resuscitation and method of infusion fluid injection
WO2001030422A1 (en) * 1999-10-27 2001-05-03 Alaris Medical Systems, Inc. Positive pressure infusion system having downstream resistance measurement capability
US20070264130A1 (en) * 2006-01-27 2007-11-15 Phluid, Inc. Infusion Pumps and Methods for Use

Also Published As

Publication number Publication date
WO2009094590A2 (en) 2009-07-30
US20090191067A1 (en) 2009-07-30
WO2009094590A3 (en) 2009-09-17
EP2242421A2 (en) 2010-10-27

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Inventor name: DIPERNA, PAUL, M.

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A4 Supplementary search report drawn up and despatched

Effective date: 20130207

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