CA2448219A1 - Respirator valve - Google Patents

Respirator valve Download PDF

Info

Publication number
CA2448219A1
CA2448219A1 CA002448219A CA2448219A CA2448219A1 CA 2448219 A1 CA2448219 A1 CA 2448219A1 CA 002448219 A CA002448219 A CA 002448219A CA 2448219 A CA2448219 A CA 2448219A CA 2448219 A1 CA2448219 A1 CA 2448219A1
Authority
CA
Canada
Prior art keywords
valve
flap
thickness
unidirectional
flap portion
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
CA002448219A
Other languages
English (en)
French (fr)
Inventor
William A. Mittelstadt
David M. Castiglione
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.)
3M Innovative Properties Co
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 CA2448219A1 publication Critical patent/CA2448219A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/14—Check valves with flexible valve members
    • F16K15/16—Check valves with flexible valve members with tongue-shaped laminae
    • 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
    • A61M16/06—Respiratory or anaesthetic masks
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • A62B18/10—Valves
    • 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
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/105—Filters
    • A61M16/106—Filters in a path
    • A61M16/107—Filters in a path in the inspiratory path
    • 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
    • A61M16/20—Valves specially adapted to medical respiratory devices
    • A61M16/208—Non-controlled one-way valves, e.g. exhalation, check, pop-off non-rebreathing valves
    • 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
    • A61M2205/02—General characteristics of the apparatus characterised by a particular materials
    • A61M2205/0216—Materials providing elastic properties, e.g. for facilitating deformation and avoid breaking

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Anesthesiology (AREA)
  • Emergency Medicine (AREA)
  • Mechanical Engineering (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Check Valves (AREA)
CA002448219A 2001-06-25 2002-05-01 Respirator valve Abandoned CA2448219A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/888,732 US6883518B2 (en) 2001-06-25 2001-06-25 Unidirectional respirator valve
US09/888,732 2001-06-25
PCT/US2002/014033 WO2003000347A1 (en) 2001-06-25 2002-05-01 Respirator valve

Publications (1)

Publication Number Publication Date
CA2448219A1 true CA2448219A1 (en) 2003-01-03

Family

ID=25393774

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002448219A Abandoned CA2448219A1 (en) 2001-06-25 2002-05-01 Respirator valve

Country Status (13)

Country Link
US (2) US6883518B2 (enExample)
EP (1) EP1399222B1 (enExample)
JP (1) JP4078299B2 (enExample)
KR (1) KR100885344B1 (enExample)
CN (2) CN1981895B (enExample)
AR (1) AR034605A1 (enExample)
AU (1) AU2002303617B2 (enExample)
BR (1) BR0210988B1 (enExample)
CA (1) CA2448219A1 (enExample)
ES (1) ES2686144T3 (enExample)
MX (1) MXPA03011465A (enExample)
TW (1) TW562684B (enExample)
WO (1) WO2003000347A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9642403B2 (en) 2007-08-16 2017-05-09 Kimberly-Clark Worldwide, Inc. Strap fastening system for a disposable respirator providing improved donning

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TW562684B (en) 2003-11-21
HK1070851A1 (en) 2005-06-30
BR0210988B1 (pt) 2012-01-10
CN1981895B (zh) 2010-12-15
EP1399222B1 (en) 2018-06-20
AU2002303617B2 (en) 2008-02-28
CN1547496A (zh) 2004-11-17
WO2003000347A1 (en) 2003-01-03
US6883518B2 (en) 2005-04-26
JP2004532707A (ja) 2004-10-28
US20050139216A1 (en) 2005-06-30
US20020195108A1 (en) 2002-12-26
ES2686144T3 (es) 2018-10-16
CN1330393C (zh) 2007-08-08
AR034605A1 (es) 2004-03-03
EP1399222A1 (en) 2004-03-24
MXPA03011465A (es) 2004-07-01
JP4078299B2 (ja) 2008-04-23
US7302951B2 (en) 2007-12-04
BR0210988A (pt) 2004-06-08
CN1981895A (zh) 2007-06-20
KR100885344B1 (ko) 2009-02-26
KR20040006040A (ko) 2004-01-16

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