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CA2458444A1 - Laryngeal mask airway device - Google Patents

Laryngeal mask airway device

Info

Publication number
CA2458444A1
CA2458444A1 CA 2458444 CA2458444A CA2458444A1 CA 2458444 A1 CA2458444 A1 CA 2458444A1 CA 2458444 CA2458444 CA 2458444 CA 2458444 A CA2458444 A CA 2458444A CA 2458444 A1 CA2458444 A1 CA 2458444A1
Authority
CA
Grant status
Application
Patent type
Prior art keywords
airway
laryngeal
mask
cuff
end
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
CA 2458444
Other languages
French (fr)
Other versions
CA2458444C (en )
Inventor
Archibald Ian Jeremy Brain
Original Assignee
Archibald Ian Jeremy Brain
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

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04Tracheal tubes
    • A61M16/0488Mouthpieces; Means for guiding, securing or introducing the tubes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04Tracheal tubes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04Tracheal tubes
    • A61M16/0402Special features for tracheal tubes not otherwise provided for
    • A61M16/0409Special features for tracheal tubes not otherwise provided for with mean for closing the oesophagus
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04Tracheal tubes
    • A61M16/0402Special features for tracheal tubes not otherwise provided for
    • A61M16/0415Special features for tracheal tubes not otherwise provided for with access means to the stomach
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04Tracheal tubes
    • A61M16/0434Cuffs
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04Tracheal tubes
    • A61M16/0434Cuffs
    • A61M16/0443Special cuff-wall materials
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04Tracheal tubes
    • A61M16/0434Cuffs
    • A61M16/0445Special cuff forms, e.g. undulated
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04Tracheal tubes
    • A61M16/0463Tracheal tubes combined with suction tubes, catheters or the like; Outside connections
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04Tracheal tubes
    • A61M16/0488Mouthpieces; Means for guiding, securing or introducing the tubes
    • A61M16/049Mouthpieces
    • A61M16/0493Mouthpieces with means for protecting the tube from damage caused by the patient's teeth, e.g. bite block
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2209/00Ancillary equipment
    • A61M2209/06Packaging for specific medical equipment

Abstract

A laryngeal mask airway device (4900) has its airway tube (4810) attached to the pharyngeal side of the toroidal inflatable cuff (4960) thereby to increase the depth of the interior aperture of the device and to increase the seal with the patient's anatomy.

Claims (7)

1. A laryngeal mask airway device (4900) comprising an airway tube (4810) extending from a proximal end to a distal end and defining an internal passage;
a mask portion having a proximal end (4932), a distal end (4934) and a midline extending from the proximal end to the distal end of the mask portion, the mask portion comprising a generally elliptically shaped plate having a laryngeal side and a pharyngeal side, the airway tube being fixed to the pharyngeal side of the plate; and an inflatable cuff (4960) having a laryngeal side and a pharyngeal side (4944) and having its pharyngeal side attached to the laryngeal side of the plate, the cuff having a generally toroidal shape defining when inflated a central opening communicating with the internal passage of the airway tube.
2. A laryngeal mask airway device according to claim 1, including a support attached to the inner wall of the cuff, the support resisting compression of the cuff towards the midline.
3. A laryngeal mask airway device according to claim 2, wherein the support comprises two or more tabs (4870) disposed adjacent the distal end of the airway tube and extending from the airway tube into the central opening defined by the cuff.
4. A laryngeal mask airway device according to any one of claims 1 to 3, wherein the cuff has a circular cross section when inflated.
5. A laryngeal mask airway device comprising an inflatable cuff having a generally toroidal shape and defining a central opening when inflated; and an airway tube (410) extending from a proximal end (417) to a distal end (419) and defining an internal passageway (421), the airway tube being connected at its distal end to the inflatable cuff with the internal passageway of the airway tube in communication with the central opening of the inflatable cuff, wherein the airway tube (410) defines longitudinal folds (425) extending along its sides.
6. A laryngeal mask airway device according to claim 5, wherein the cuff has a circular cross section when inflated.
7. A laryngeal mask airway device according to claim 5 or claim 6, wherein the airway tube is connected at its distal end to the pharyngeal side of the inflatable cuff.
CA 2458444 2001-08-23 2002-08-21 Laryngeal mask airway device Expired - Fee Related CA2458444C (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US31443801 true 2001-08-23 2001-08-23
US60/314,438 2001-08-23
US10/138,806 2002-05-03
US10138806 US7159589B2 (en) 2001-08-23 2002-05-03 Disposable laryngeal mask airway device
PCT/GB2002/003834 WO2003018094A1 (en) 2001-08-23 2002-08-21 Laryngeal mask airway device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2683899 CA2683899A1 (en) 2001-08-23 2002-08-21 Laryngeal mask airway device

Publications (2)

Publication Number Publication Date
CA2458444A1 true true CA2458444A1 (en) 2003-03-06
CA2458444C CA2458444C (en) 2010-01-12

Family

ID=26836569

Family Applications (2)

Application Number Title Priority Date Filing Date
CA 2458444 Expired - Fee Related CA2458444C (en) 2001-08-23 2002-08-21 Laryngeal mask airway device
CA 2683899 Abandoned CA2683899A1 (en) 2001-08-23 2002-08-21 Laryngeal mask airway device

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA 2683899 Abandoned CA2683899A1 (en) 2001-08-23 2002-08-21 Laryngeal mask airway device

Country Status (11)

Country Link
US (3) US7159589B2 (en)
EP (3) EP1980286A3 (en)
JP (1) JP4249613B2 (en)
KR (1) KR100753634B1 (en)
CN (1) CN100376298C (en)
CA (2) CA2458444C (en)
DE (2) DE60224407D1 (en)
DK (1) DK1420843T3 (en)
ES (2) ES2433370T3 (en)
RU (1) RU2299746C2 (en)
WO (1) WO2003018094A1 (en)

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US20110203594A1 (en) 2011-08-25 application
US7159589B2 (en) 2007-01-09 grant
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