WO2007035567A3 - Infusion pump with closed loop control and algorithm - Google Patents

Infusion pump with closed loop control and algorithm Download PDF

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Publication number
WO2007035567A3
WO2007035567A3 PCT/US2006/036173 US2006036173W WO2007035567A3 WO 2007035567 A3 WO2007035567 A3 WO 2007035567A3 US 2006036173 W US2006036173 W US 2006036173W WO 2007035567 A3 WO2007035567 A3 WO 2007035567A3
Authority
WO
WIPO (PCT)
Prior art keywords
fluid
amount
closed loop
loop control
infusion pump
Prior art date
Application number
PCT/US2006/036173
Other languages
French (fr)
Other versions
WO2007035567A2 (en
Inventor
Deon Anex
Original Assignee
Lifescan Inc
Deon Anex
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 Lifescan Inc, Deon Anex filed Critical Lifescan Inc
Publication of WO2007035567A2 publication Critical patent/WO2007035567A2/en
Publication of WO2007035567A3 publication Critical patent/WO2007035567A3/en

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
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
    • 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
    • A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
    • 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
    • A61M5/172—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 electrical or electronic
    • 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
    • A61M2005/14513—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons with secondary fluid driving or regulating the infusion
    • 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
    • A61M2205/3317—Electromagnetic, inductive or dielectric measuring means
    • 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
    • A61M2205/70—General characteristics of the apparatus with testing or calibration facilities
    • A61M2205/702—General characteristics of the apparatus with testing or calibration facilities automatically during use

Abstract

Systems and methods of controlling the flow of fluid from infusion pumps, such as pumps utilizing an electrokinetic engine, are discussed. In particular, a closed loop control technique can be utilized to regulate movement of a non-mechanically-driven moveable partition, which can be used to drive the flow of an infusion fluid. For example, one or more fluid shot amounts can be delivered by the infusion pump. One or more measured amounts can be determined for the fluid shot amount(s). An average measured amount can be calculated from the measured amounts, and a correction factor can be calculated using the average measured amount and an expected shot amount. Subsequently, a fluid shot amount can be delivered base upon the correction factor. Variations of this method, and systems for implementing the method, or portions thereof, are also discussed.
PCT/US2006/036173 2005-09-19 2006-09-18 Infusion pump with closed loop control and algorithm WO2007035567A2 (en)

Applications Claiming Priority (20)

Application Number Priority Date Filing Date Title
US71836405P 2005-09-19 2005-09-19
US71857205P 2005-09-19 2005-09-19
US71840005P 2005-09-19 2005-09-19
US71839805P 2005-09-19 2005-09-19
US71857705P 2005-09-19 2005-09-19
US71828905P 2005-09-19 2005-09-19
US71839905P 2005-09-19 2005-09-19
US71839705P 2005-09-19 2005-09-19
US71857805P 2005-09-19 2005-09-19
US71841205P 2005-09-19 2005-09-19
US60/718,398 2005-09-19
US60/718,399 2005-09-19
US60/718,578 2005-09-19
US60/718,364 2005-09-19
US60/718,397 2005-09-19
US60/718,577 2005-09-19
US60/718,289 2005-09-19
US60/718,412 2005-09-19
US60/718,572 2005-09-19
US60/718,400 2005-09-19

Publications (2)

Publication Number Publication Date
WO2007035567A2 WO2007035567A2 (en) 2007-03-29
WO2007035567A3 true WO2007035567A3 (en) 2007-11-22

Family

ID=37889389

Family Applications (3)

Application Number Title Priority Date Filing Date
PCT/US2006/036173 WO2007035567A2 (en) 2005-09-19 2006-09-18 Infusion pump with closed loop control and algorithm
PCT/US2006/036330 WO2007035658A2 (en) 2005-09-19 2006-09-18 Infusion pumps with a position detector
PCT/US2006/036326 WO2007035654A2 (en) 2005-09-19 2006-09-18 Systems and methods for detecting a partition position in an infusion pump

Family Applications After (2)

Application Number Title Priority Date Filing Date
PCT/US2006/036330 WO2007035658A2 (en) 2005-09-19 2006-09-18 Infusion pumps with a position detector
PCT/US2006/036326 WO2007035654A2 (en) 2005-09-19 2006-09-18 Systems and methods for detecting a partition position in an infusion pump

Country Status (2)

Country Link
US (2) US20070062251A1 (en)
WO (3) WO2007035567A2 (en)

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