WO2007035564A3 - Malfunction detection with derivative calculation - Google Patents

Malfunction detection with derivative calculation Download PDF

Info

Publication number
WO2007035564A3
WO2007035564A3 PCT/US2006/036165 US2006036165W WO2007035564A3 WO 2007035564 A3 WO2007035564 A3 WO 2007035564A3 US 2006036165 W US2006036165 W US 2006036165W WO 2007035564 A3 WO2007035564 A3 WO 2007035564A3
Authority
WO
WIPO (PCT)
Prior art keywords
fluid
infusion pump
systems
loss
infusion
Prior art date
Application number
PCT/US2006/036165
Other languages
French (fr)
Other versions
WO2007035564A2 (en
Inventor
Peter Krulevitch
Sebastian Bohm
Minggi Zhao
Deon Anex
Original Assignee
Lifescan Inc
Peter Krulevitch
Sebastian Bohm
Minggi Zhao
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, Peter Krulevitch, Sebastian Bohm, Minggi Zhao, Deon Anex filed Critical Lifescan Inc
Priority claimed from US11/532,598 external-priority patent/US20070062251A1/en
Priority claimed from US11/532,653 external-priority patent/US20070066940A1/en
Publication of WO2007035564A2 publication Critical patent/WO2007035564A2/en
Publication of WO2007035564A3 publication Critical patent/WO2007035564A3/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
    • A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
    • 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
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
    • A61M2205/3389—Continuous level detection
    • 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
    • A61M5/14248—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body of the skin patch type
    • 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

Abstract

Systems and methods of detecting occlusions and fluid-loss conditions (e.g., disconnects and/or leakages) in an infusion pump are discussed. For example, electrokinetic infusion pumps may develop an occlusion in the fluid flow path, which can disrupt control of fluid dispersed from the pump. As well, an infusion set disconnect can also result in a fluid-loss that can be disruptive. Such disruptions can be troublesome to systems that control the infusion pump, such as closed loop controllers. Accordingly, systems and methods described herein can be used to detect such occlusions and fluid-loss conditions during infusion pump operation. For example, a position sensor can be used to monitor fluid flow from the infusion pump, with the measurement being compared with an expected value to detect an occlusion or fluid-loss condition. Other algorithms for utilizing the position sensor are also described.
PCT/US2006/036165 2005-09-19 2006-09-18 Malfunction detection with derivative calculation WO2007035564A2 (en)

Applications Claiming Priority (32)

Application Number Priority Date Filing Date Title
US71857705P 2005-09-19 2005-09-19
US71857805P 2005-09-19 2005-09-19
US71839705P 2005-09-19 2005-09-19
US71839805P 2005-09-19 2005-09-19
US71841205P 2005-09-19 2005-09-19
US71840005P 2005-09-19 2005-09-19
US71857205P 2005-09-19 2005-09-19
US71836405P 2005-09-19 2005-09-19
US71839905P 2005-09-19 2005-09-19
US71828905P 2005-09-19 2005-09-19
US60/718,578 2005-09-19
US60/718,397 2005-09-19
US60/718,400 2005-09-19
US60/718,572 2005-09-19
US60/718,412 2005-09-19
US60/718,399 2005-09-19
US60/718,364 2005-09-19
US60/718,398 2005-09-19
US60/718,289 2005-09-19
US60/718,577 2005-09-19
US11/532,691 US7944366B2 (en) 2005-09-19 2006-09-18 Malfunction detection with derivative calculation
US11/532,631 2006-09-18
US11/532,598 US20070062251A1 (en) 2005-09-19 2006-09-18 Infusion Pump With Closed Loop Control and Algorithm
US11/532,598 2006-09-18
US11/532,726 US20070093753A1 (en) 2005-09-19 2006-09-18 Malfunction Detection Via Pressure Pulsation
US11/532,631 US20070093752A1 (en) 2005-09-19 2006-09-18 Infusion Pumps With A Position Detector
US11/532,587 2006-09-18
US11/532,587 US20070066939A1 (en) 2005-09-19 2006-09-18 Electrokinetic Infusion Pump System
US11/532,691 2006-09-18
US11/532,653 2006-09-18
US11/532,653 US20070066940A1 (en) 2005-09-19 2006-09-18 Systems and Methods for Detecting a Partition Position in an Infusion Pump
US11/532,726 2006-09-18

Publications (2)

Publication Number Publication Date
WO2007035564A2 WO2007035564A2 (en) 2007-03-29
WO2007035564A3 true WO2007035564A3 (en) 2007-07-12

Family

ID=46045551

Family Applications (3)

Application Number Title Priority Date Filing Date
PCT/US2006/036164 WO2007035563A2 (en) 2005-09-19 2006-09-18 Malfunction detection via pressure pulsation
PCT/US2006/036340 WO2007035666A2 (en) 2005-09-19 2006-09-18 Electrokinetic infusion pump system
PCT/US2006/036165 WO2007035564A2 (en) 2005-09-19 2006-09-18 Malfunction detection with derivative calculation

Family Applications Before (2)

Application Number Title Priority Date Filing Date
PCT/US2006/036164 WO2007035563A2 (en) 2005-09-19 2006-09-18 Malfunction detection via pressure pulsation
PCT/US2006/036340 WO2007035666A2 (en) 2005-09-19 2006-09-18 Electrokinetic infusion pump system

Country Status (2)

Country Link
US (3) US20070066939A1 (en)
WO (3) WO2007035563A2 (en)

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US7944366B2 (en) 2011-05-17
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