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AU2001289710A1 - Inhalers - Google Patents

Inhalers

Info

Publication number
AU2001289710A1
AU2001289710A1 AU2001289710A AU8971001A AU2001289710A1 AU 2001289710 A1 AU2001289710 A1 AU 2001289710A1 AU 2001289710 A AU2001289710 A AU 2001289710A AU 8971001 A AU8971001 A AU 8971001A AU 2001289710 A1 AU2001289710 A1 AU 2001289710A1
Authority
AU
Australia
Prior art keywords
aerosol
cyclone
airflow
inlet
inhaler
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.)
Abandoned
Application number
AU2001289710A
Inventor
Stephen William Eason
Quentin John Harmer
Matthew Neil Sarkar
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.)
Vectura Delivery Devices Ltd
Original Assignee
Cambridge Consultants Ltd
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 Cambridge Consultants Ltd filed Critical Cambridge Consultants Ltd
Publication of AU2001289710A1 publication Critical patent/AU2001289710A1/en
Abandoned legal-status Critical Current

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
    • A61M15/00—Inhalators
    • A61M15/02—Inhalators with activated or ionised fluids, e.g. electrohydrodynamic [EHD] or electrostatic devices; Ozone-inhalators with radioactive tagged particles
    • 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
    • A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
    • A61M11/001—Particle size control
    • A61M11/002—Particle size control by flow deviation causing inertial separation of transported particles
    • 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
    • A61M15/0001—Details of inhalators; Constructional features thereof
    • A61M15/002—Details of inhalators; Constructional features thereof with air flow regulating 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
    • A61M15/00—Inhalators
    • A61M15/0028—Inhalators using prepacked dosages, one for each application, e.g. capsules to be perforated or broken-up
    • 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
    • A61M15/0028—Inhalators using prepacked dosages, one for each application, e.g. capsules to be perforated or broken-up
    • A61M15/003—Inhalators using prepacked dosages, one for each application, e.g. capsules to be perforated or broken-up using capsules, e.g. to be perforated or broken-up
    • A61M15/0033—Details of the piercing or cutting means
    • A61M15/0035—Piercing means
    • A61M15/0036—Piercing means hollow piercing 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
    • A61M15/00—Inhalators
    • A61M15/0028—Inhalators using prepacked dosages, one for each application, e.g. capsules to be perforated or broken-up
    • A61M15/003—Inhalators using prepacked dosages, one for each application, e.g. capsules to be perforated or broken-up using capsules, e.g. to be perforated or broken-up
    • A61M15/0033—Details of the piercing or cutting means
    • A61M15/0041—Details of the piercing or cutting means with movable piercing or cutting 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
    • A61M15/00—Inhalators
    • A61M15/0086—Inhalation chambers
    • 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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/0057—Pumps therefor
    • A61M16/0066—Blowers or centrifugal pumps
    • 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
    • A61M2202/00—Special media to be introduced, removed or treated
    • A61M2202/06—Solids
    • A61M2202/064—Powder
    • 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
    • A61M2206/00—Characteristics of a physical parameter; associated device therefor
    • A61M2206/10—Flow characteristics
    • A61M2206/16—Rotating swirling helical flow, e.g. by tangential inflows

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Medicinal Preparation (AREA)
  • Steroid Compounds (AREA)

Abstract

An inhaler for producing an inhalable aerosol of a powdered medicament comprises a cyclone ( 1 ) with a tangential air inlet ( 3 ) and an axial air outlet ( 4 ). The cyclone ( 1 ) aerosolises and retains an aerosol of powdered medicament in an airflow circulating between the inlet ( 3 ) and the outlet ( 4 ). The cyclone ( 1 ) has an exit port ( 2 ) which is open to atmosphere. When the aerosol is to be inhaled, the pressure in the cyclone ( 1 ) is increased by increasing the airflow to the inlet ( 3 ) which causes the aerosol to discharge through the exit port ( 2 ). The inhaler has the advantage that the rate of discharge of the aerosol can be controlled independently of the rate of airflow required to aerosolise the medicament.
AU2001289710A 2000-07-21 2001-07-20 Inhalers Abandoned AU2001289710A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0018030 2000-07-21
GB0018030A GB2364919A (en) 2000-07-21 2000-07-21 Inhalers
PCT/EP2001/008416 WO2002007805A2 (en) 2000-07-21 2001-07-20 Inhalers

Publications (1)

Publication Number Publication Date
AU2001289710A1 true AU2001289710A1 (en) 2002-02-05

Family

ID=9896158

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001289710A Abandoned AU2001289710A1 (en) 2000-07-21 2001-07-20 Inhalers

Country Status (8)

Country Link
US (1) US6948496B2 (en)
EP (1) EP1301231B1 (en)
AT (1) ATE314110T1 (en)
AU (1) AU2001289710A1 (en)
DE (1) DE60116319T2 (en)
ES (1) ES2256293T3 (en)
GB (1) GB2364919A (en)
WO (1) WO2002007805A2 (en)

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Also Published As

Publication number Publication date
DE60116319D1 (en) 2006-02-02
ATE314110T1 (en) 2006-01-15
ES2256293T3 (en) 2006-07-16
US6948496B2 (en) 2005-09-27
WO2002007805A2 (en) 2002-01-31
EP1301231A2 (en) 2003-04-16
GB0018030D0 (en) 2000-09-13
EP1301231B1 (en) 2005-12-28
DE60116319T2 (en) 2006-08-31
GB2364919A (en) 2002-02-13
WO2002007805A3 (en) 2002-06-13
US20030172926A1 (en) 2003-09-18

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