CA2394664A1 - A nasal inhaler - Google Patents

A nasal inhaler Download PDF

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Publication number
CA2394664A1
CA2394664A1 CA002394664A CA2394664A CA2394664A1 CA 2394664 A1 CA2394664 A1 CA 2394664A1 CA 002394664 A CA002394664 A CA 002394664A CA 2394664 A CA2394664 A CA 2394664A CA 2394664 A1 CA2394664 A1 CA 2394664A1
Authority
CA
Canada
Prior art keywords
liquid
outlet
housing
supply
electrodes
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.)
Granted
Application number
CA002394664A
Other languages
French (fr)
Other versions
CA2394664C (en
Inventor
Ronald Alan Coffee
Alastair Bruce Pirrie
David Neville Davies
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.)
Battelle Memorial Institute Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2394664A1 publication Critical patent/CA2394664A1/en
Application granted granted Critical
Publication of CA2394664C publication Critical patent/CA2394664C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/004—Arrangements for controlling delivery; Arrangements for controlling the spray area comprising sensors for monitoring the delivery, e.g. by displaying the sensed value or generating an alarm
    • 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
    • A61M15/00—Inhalators
    • A61M15/0065—Inhalators with dosage or measuring devices
    • A61M15/0066—Inhalators with dosage or measuring devices with means for varying the dose size
    • 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
    • A61M15/00—Inhalators
    • A61M15/0065—Inhalators with dosage or measuring devices
    • A61M15/0068—Indicating or counting the number of dispensed doses or of remaining doses
    • A61M15/008—Electronic counters
    • 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
    • A61M15/00—Inhalators
    • A61M15/02—Inhalators with activated or ionised fluids, e.g. electrohydrodynamic [EHD] or electrostatic devices; Ozone-inhalators with radioactive tagged particles
    • A61M15/025—Bubble jet droplet ejection devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/0255—Discharge apparatus, e.g. electrostatic spray guns spraying and depositing by electrostatic forces only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/053—Arrangements for supplying power, e.g. charging power
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/16—Arrangements for supplying liquids or other fluent material
    • B05B5/1691—Apparatus to be carried on or by a person or with a container fixed to the discharge device
    • 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
    • A61M2205/82—Internal energy supply devices
    • A61M2205/8206—Internal energy supply devices battery-operated

Abstract

An inhaler has a housing containing a chamber (la) providing a reservoir (8) for liquid providing an active ingredient to be supplied to a liquid outlet (l0a). First and second electrodes are spaced apart (11 and 12) with the first electrode being provided at or adjacent the liquid outlet (l0a). A voltage supply (5,7) is activated in response to air flowing through an air inlet (30) of the housing to provide a potential difference between the first and second electrodes (11 and 12) to create an electric field for causing comminution of liquid issuing from the liquid supply outlet (10a) to produce a stream of electrically charged comminuted matter for supply to the nasal passages of a user via an outlet (4) of the housing.
CA002394664A 1998-12-17 1999-12-17 A nasal inhaler Expired - Fee Related CA2394664C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9827856.7 1998-12-17
GB9827856A GB2345010B (en) 1998-12-17 1998-12-17 A delivery device
PCT/GB1999/004303 WO2000035524A2 (en) 1998-12-17 1999-12-17 Inhaler__________________________________________________

Publications (2)

Publication Number Publication Date
CA2394664A1 true CA2394664A1 (en) 2000-06-22
CA2394664C CA2394664C (en) 2009-10-06

Family

ID=10844449

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002394664A Expired - Fee Related CA2394664C (en) 1998-12-17 1999-12-17 A nasal inhaler

Country Status (11)

Country Link
US (2) US6684879B1 (en)
EP (1) EP1140262B1 (en)
JP (1) JP4766745B2 (en)
CN (1) CN100376297C (en)
AT (1) ATE337814T1 (en)
AU (1) AU1872500A (en)
CA (1) CA2394664C (en)
DE (1) DE69933047T2 (en)
GB (1) GB2345010B (en)
HK (1) HK1044126A1 (en)
WO (1) WO2000035524A2 (en)

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US11110000B2 (en) 2012-04-10 2021-09-07 Eyenovia, Inc. Spray ejector mechanisms and devices providing charge isolation and controllable droplet charge, and low dosage volume ophthalmic administration
US11260416B2 (en) 2012-05-15 2022-03-01 Eyenovia, Inc. Ejector devices, methods, drivers, and circuits therefor

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EP1140262B1 (en) 2006-08-30
AU1872500A (en) 2000-07-03
CA2394664C (en) 2009-10-06
CN1334746A (en) 2002-02-06
DE69933047T2 (en) 2006-12-14
EP1140262A2 (en) 2001-10-10
GB9827856D0 (en) 1999-02-10
ATE337814T1 (en) 2006-09-15
CN100376297C (en) 2008-03-26
GB2345010A (en) 2000-06-28
JP2002532163A (en) 2002-10-02
WO2000035524A2 (en) 2000-06-22
DE69933047D1 (en) 2006-10-12
JP4766745B2 (en) 2011-09-07
US20040079360A1 (en) 2004-04-29
GB2345010B (en) 2002-12-31
WO2000035524A3 (en) 2000-10-26
US6684879B1 (en) 2004-02-03
HK1044126A1 (en) 2002-10-11

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