WO2003024504A3 - Plunger for patient infusion device - Google Patents

Plunger for patient infusion device Download PDF

Info

Publication number
WO2003024504A3
WO2003024504A3 PCT/US2002/028053 US0228053W WO03024504A3 WO 2003024504 A3 WO2003024504 A3 WO 2003024504A3 US 0228053 W US0228053 W US 0228053W WO 03024504 A3 WO03024504 A3 WO 03024504A3
Authority
WO
WIPO (PCT)
Prior art keywords
plunger
lead screw
reservoir
infusion device
side wall
Prior art date
Application number
PCT/US2002/028053
Other languages
French (fr)
Other versions
WO2003024504A2 (en
Inventor
J Christopher Flaherty
Original Assignee
Insulet Corp
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 Insulet Corp filed Critical Insulet Corp
Priority to EP02768788A priority Critical patent/EP1427471B1/en
Priority to DK02768788T priority patent/DK1427471T3/en
Priority to DE60225301T priority patent/DE60225301T2/en
Priority to JP2003528598A priority patent/JP2005523397A/en
Priority to CA002459952A priority patent/CA2459952A1/en
Publication of WO2003024504A2 publication Critical patent/WO2003024504A2/en
Publication of WO2003024504A3 publication Critical patent/WO2003024504A3/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
    • A61M5/14276—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body specially adapted for implantation
    • 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
    • A61M5/14526—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons the piston being actuated 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/35—Communication
    • A61M2205/3576—Communication with non implanted data transmission devices, e.g. using external transmitter or receiver
    • A61M2205/3592—Communication with non implanted data transmission devices, e.g. using external transmitter or receiver using telemetric means, e.g. radio or optical transmission
    • 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
    • A61M2209/00—Ancillary equipment
    • A61M2209/04—Tools for specific apparatus
    • A61M2209/045—Tools for specific apparatus for filling, e.g. for filling reservoirs

Abstract

A device (10) for delivering fluid to a patient, including an exit port assembly (70), a reservoir (30) including a side wall (32) extending towards an outlet connected to the exit port assembly (70), at least one threaded lead screw (202) received in the reservoir (30) generally parallel with the side wall (32), an a plunger (204) threadedly received on the lead screw (202) such that rotating one of the lead screw (202) and the plunger (204) moves the plunger (204) within the reservoir (30). The device (10) also includes a dispenser (40) operatively copoupled to one of the lead screw (202) and the plunger (204) for rotating one of the lead screw (202) and the plunger (204). The lead screw (202) driven plunger (204) reduces the- size, complexity and costs of the device (10) so that the device (10) lends itself to being small and disposable.
PCT/US2002/028053 2001-09-19 2002-09-04 Plunger for patient infusion device WO2003024504A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP02768788A EP1427471B1 (en) 2001-09-19 2002-09-04 Plunger for patient infusion device
DK02768788T DK1427471T3 (en) 2001-09-19 2002-09-04 Piston for a patient infusion device
DE60225301T DE60225301T2 (en) 2001-09-19 2002-09-04 PISTON FOR AN INFUSION DEVICE FOR PATIENTS
JP2003528598A JP2005523397A (en) 2001-09-19 2002-09-04 Plunger of fluid dosing device
CA002459952A CA2459952A1 (en) 2001-09-19 2002-09-04 Plunger for patient infusion device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/955,623 US20030055380A1 (en) 2001-09-19 2001-09-19 Plunger for patient infusion device
US09/955,623 2001-09-19

Publications (2)

Publication Number Publication Date
WO2003024504A2 WO2003024504A2 (en) 2003-03-27
WO2003024504A3 true WO2003024504A3 (en) 2003-07-17

Family

ID=25497093

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/028053 WO2003024504A2 (en) 2001-09-19 2002-09-04 Plunger for patient infusion device

Country Status (10)

Country Link
US (2) US20030055380A1 (en)
EP (1) EP1427471B1 (en)
JP (1) JP2005523397A (en)
CN (1) CN1697666A (en)
AT (1) ATE387237T1 (en)
CA (1) CA2459952A1 (en)
DE (1) DE60225301T2 (en)
DK (1) DK1427471T3 (en)
ES (1) ES2300475T3 (en)
WO (1) WO2003024504A2 (en)

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US20030055380A1 (en) 2003-03-20
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