CA2370995A1 - Breathing assistance apparatus - Google Patents

Breathing assistance apparatus Download PDF

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Publication number
CA2370995A1
CA2370995A1 CA002370995A CA2370995A CA2370995A1 CA 2370995 A1 CA2370995 A1 CA 2370995A1 CA 002370995 A CA002370995 A CA 002370995A CA 2370995 A CA2370995 A CA 2370995A CA 2370995 A1 CA2370995 A1 CA 2370995A1
Authority
CA
Canada
Prior art keywords
user
gases
headgear
patient interface
supply
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
CA002370995A
Other languages
French (fr)
Other versions
CA2370995C (en
Inventor
Gregory James Olsen
Martin Leckie
Neil Prime
Lewis George Gradon
Nicholas Charles Alan Smith
Alastair Edwin Mcauley
Mark Joseph Haycock
Chris Earl Nightingale
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.)
Fisher and Paykel Healthcare Ltd
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 CA2370995A1 publication Critical patent/CA2370995A1/en
Application granted granted Critical
Publication of CA2370995C publication Critical patent/CA2370995C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A61M16/0666—Nasal cannulas or tubing
    • 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. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0057—Pumps therefor
    • A61M16/0066—Blowers or centrifugal pumps
    • A61M16/0069—Blowers or centrifugal pumps the speed thereof being controlled by respiratory parameters, e.g. by inhalation
    • 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. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • 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. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A61M16/0605—Means for improving the adaptation of the mask to the patient
    • A61M16/0633—Means for improving the adaptation of the mask to the patient with forehead support
    • 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. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A61M16/0683—Holding devices therefor
    • 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. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
    • A61M16/0816—Joints or connectors
    • A61M16/0841—Joints or connectors for sampling
    • 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. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/1075—Preparation of respiratory gases or vapours by influencing the temperature
    • A61M16/1095—Preparation of respiratory gases or vapours by influencing the temperature in the connecting tubes
    • 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. mouth-to-mouth respiration; 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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
    • A61M16/16—Devices to humidify the respiration air
    • 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. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
    • A61M16/16—Devices to humidify the respiration air
    • A61M16/161—Devices to humidify the respiration air with means for measuring the humidity
    • 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. mouth-to-mouth respiration; 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
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3331—Pressure; Flow
    • A61M2205/3348—Pressure measurement using a water column
    • 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
    • A61M2240/00—Specially adapted for neonatal use

Abstract

A improved interface is disclosed for delivering CPAP therapy to patients. The interface has a sliding engagement to the headgear. The sliding engagement allows substantial relative lateral movement eg: when face is distorted from sleeping on side, while still providing adequate compressive force to avoid side leakage. The sliding engagement also allows easy release from the headgear.

Claims (22)

1. A device for delivering a supply of gases to a user comprising or including:
a patient interface, adapted to be in fluid communication with said supply of gases, and adapted to provide a substantially sealed flow path for said flow of gases to said user in at least a correct orientation and position on said user, headgear adapted to attach to or around the head of said user, and a sliding connection between said headgear and said patient interface.
2. A device as claimed in claim 1 wherein said patient interface is a nasal mask.
3. A device as claimed in claim 2 wherein said nasal mask comprises or includes a body portion having an inlet receiving said supply of gases, and sealing means attached to or integrated with said body portion said sealing means adapted to seal against the facial contours of said user.
4. A device as claimed in claim 3 where said sliding connection adapted to allow said headgear substantial movement with respect to said nasal mask, while still providing compressive force on said sealing means to ensure said supply of gases is delivered to said user without significant leakage.
5. A device as claimed in anyone of claims 1 to 4 wherein said headgear comprises or includes a member engaged thereto, said engagement between said headgear and said member adapted to allow temporary release therefrom.
6. A device as claimed in claim 5 wherein said member is elongate having a first end and a second end, a first at least partial loop located at said first end and a second at least partial loop located at said second end, whereby in use said headgear is substantially permanently attached to said first loop and substantially attached but readily releasable from said second loop.
7. A device as claimed in claims 5 or 6 wherein said patient interface further comprises or includes at least one restraining means on said body portion, in use said member is restrained in at least one axis by, but which can slide easily within at least one other dimension, said restraining means and can be easily disengaged therewith.
8. A device as claimed in claim 1 wherein said patient interface is a nasal cannula.
9. A device as claimed in claim 1 wherein said patient interface is a full face mask.
10. A device as claimed in claim 1 wherein said patient interface is a mouthpiece.
11. A device as claimed in claim 1 wherein said patient interface is an entrotracheal tube.
12. A device as claimed in any one of claims 8 to 11 wherein said headgear includes a low resistance sliding strap slidingly connected on, through, adjacent or with said patient interface.
13. A device as claimed in claim 12 wherein said sliding strap is moulded from Teflon.
14. A device as claimed in any one of claims 8 to 11 wherein said headgear includes a low resistance sliding loop slidingly connected on, through, adjacent or with said patient interface.
15. A device as claimed in claim 14 wherein said sliding loop comprises a looped nylon filament.
16. A nasal mask for delivering gases to a user comprising or including:
a body portion having a inlet, in use said inlet receiving a supply of gases, sealing means engaged with said body portion, and adapted to seal against the facial contours of said user, and engaging means adapted to in use provide a sliding engagement with a means of securement to a user, and a compressive force on said sealing means to ensure said supply of gases is delivered to a user without significant leakage.
17. A nasal mask as claimed in claim 16 wherein said engaging means comprises or includes a restraining means, said restraining means adapted to in use accommodate an elongate member, said restraining means adapted to in use restrain said member in at least one dimension, but allow said member to slide easily within at least one other dimension, and providing a compressive force on said sealing means to avoid any significant leakage, said restraining means adapted to in use easily disengage with said member.
18. In a CPAP system for delivering gases to a user comprising or including a pressurised source of gases, a conduit in fluid communication with said pressurised source adapted to convey said gases, a patient interface in fluid communication with said conduit in use delivering said gases to said user, and headgear attaching said interface with said user the improvement comprising that said patient interface adapted to sliding engage with said headgear, to ensure said supply of gases is delivered to a user without significant leakage.
19. In a CPAP system as claimed in Claim 18 the improvement further comprising that said system further comprises a humidifier to variably humidify said gases.
20. A device for delivering a supply of gases to a user comprising or including:
a patient interface, adapted to be in fluid communication with said supply of gases, and adapted to provide a substantially sealed flow path for said flow of gases to said user in at least a correct orientation and position on said user, and headgear including at least a partial loop adapted to pass across the face of said user.
21. A device as claimed in claim 20 wherein said loop adapted to pass over and slidingly engage with said interface.
22. A device as claimed in claim 20 wherein said loop adapted to pass at least partially through and slidingly engage with said interface.
CA2370995A 2001-09-13 2002-02-07 Breathing assistance apparatus Expired - Lifetime CA2370995C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NZ51418401 2001-09-13
NZNZ514184 2001-09-13

Publications (2)

Publication Number Publication Date
CA2370995A1 true CA2370995A1 (en) 2003-03-13
CA2370995C CA2370995C (en) 2010-08-17

Family

ID=19928743

Family Applications (2)

Application Number Title Priority Date Filing Date
CA2370995A Expired - Lifetime CA2370995C (en) 2001-09-13 2002-02-07 Breathing assistance apparatus
CA002457277A Expired - Lifetime CA2457277C (en) 2001-09-13 2002-09-13 Breathing assistance apparatus

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA002457277A Expired - Lifetime CA2457277C (en) 2001-09-13 2002-09-13 Breathing assistance apparatus

Country Status (11)

Country Link
US (2) US7905232B2 (en)
EP (1) EP1425060B1 (en)
JP (1) JP3962374B2 (en)
CN (1) CN1553820B (en)
AT (2) AT500484A1 (en)
AU (1) AU2002334470B2 (en)
BR (1) BRPI0212453B8 (en)
CA (2) CA2370995C (en)
DE (1) DE60230048D1 (en)
ES (2) ES2319832A1 (en)
WO (1) WO2003022341A1 (en)

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