WO2013108145A1 - Coussin avec support de ventilation destiné à être utilisé avec un dispositif d'interface patient - Google Patents

Coussin avec support de ventilation destiné à être utilisé avec un dispositif d'interface patient Download PDF

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Publication number
WO2013108145A1
WO2013108145A1 PCT/IB2013/050092 IB2013050092W WO2013108145A1 WO 2013108145 A1 WO2013108145 A1 WO 2013108145A1 IB 2013050092 W IB2013050092 W IB 2013050092W WO 2013108145 A1 WO2013108145 A1 WO 2013108145A1
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WO
WIPO (PCT)
Prior art keywords
support
interface device
user
patient interface
disposed
Prior art date
Application number
PCT/IB2013/050092
Other languages
English (en)
Inventor
Peter Chi Fai Ho
Lauren Patricia CHODKOWSKI
Original Assignee
Koninklijke Philips N.V.
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 Koninklijke Philips N.V. filed Critical Koninklijke Philips N.V.
Publication of WO2013108145A1 publication Critical patent/WO2013108145A1/fr

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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
    • 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
    • A61M16/0616—Means for improving the adaptation of the mask to the patient with face sealing means comprising a flap or membrane projecting inwards, such that sealing increases with increasing inhalation gas pressure
    • A61M16/0622—Means for improving the adaptation of the mask to the patient with face sealing means comprising a flap or membrane projecting inwards, such that sealing increases with increasing inhalation gas pressure having an underlying cushion
    • 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

Definitions

  • the present invention generally relates to cushions for use on patient interface devices in pressure support systems that supply a flow of gas to the airway of a patient, and, more particularly, to a cushion that includes a venting support portion.
  • the invention further relates to patient interface devices that includes such cushions.
  • NMV non- invasive ventilation
  • CPAP continuous positive airway pressure
  • COPD chronic obstructive pulmonary disease
  • CHF congestive heart failure
  • Non-invasive ventilation and pressure support therapies involve the placement of a patient interface device, which is typically a nasal or nasal/oral mask, on the face of a patient to interface the ventilator or pressure support system with the airway of the patient so that a flow of breathing gas can be delivered from the pressure/flow generating device to the airway of the patient.
  • a patient interface device which is typically a nasal or nasal/oral mask
  • patient interface devices typically include a mask shell having a cushion attached to the shell that contacts the surface of the patient.
  • the mask shell and cushion are held in place by a headgear that wraps around the head of the patient.
  • the mask and headgear form the patient interface assembly.
  • a typical headgear includes flexible, adjustable straps that extend from the mask to attach the mask to the patient.
  • FIGS. 1 and 2 show cross-sectional views of examples of such prior approaches. More particularly, example A of FIG. 1 shows a cross-sectional view of a portion of a cushion 2 that includes an inner support portion 4 and an outer sealing flap 6 that both generally extend from a wall portion (not numbered), while example B of FIG. 1 shows a cross- sectional view of a portion of a cushion 2' that includes an inner support portion 4' and an outer sealing flap 6' that are generally separate elements. As shown in FIG.
  • sealing flap 6 or 6' when either cushion 2 or 2' is compressed against the face of a user, shown generally at 8, sealing flap 6 or 6' generally collapses against support portion 4 or 4', typically creating an air filled gap or cavity 9 between the support portion 4, 4' and the sealing flap 6, 6' which tends to act as a buffer between the user and the support element.
  • the effectiveness of such an air- filled cavity is often diminished when the sealing element contacts the support element as a virtual seal between the two elements is often created which tends to prohibit air from entering or exiting cavity 9, thus causing support portion 4,4' and sealing flap 6, 6' to act generally as a single element, reducing comfort and sealing ability.
  • a cushion for use in a patient interface device for delivering a flow of gas to the airway of a user comprises a first end portion adapted to be coupled to a mask shell, a second end portion disposed opposite the first end portion, and a passage formed therethrough passing between the first end and the second end portion.
  • the passage is adapted to conduct the flow of gas therethrough to the airway of the user when the patient interface device is disposed on the head of the user.
  • the second end portion comprises a sealing portion having a first side and an opposite second side. The first side is adapted to sealingly engage a portion of a user's face when the patient interface device is disposed on the head of a user.
  • the second end portion further comprises a support portion disposed adjacent the sealing portion, the support portion being adapted to engage the opposite second side of the sealing portion and define, at least in part, the passage when the patient interface device is disposed on the head of a user.
  • a cavity is formed between the sealing portion and the support portion when the patient interface device is disposed on the head of the user.
  • the support portion comprises a venting structure adapted to vent gas between the passage and the cavity.
  • the venting structure may comprise an aperture formed through the support portion.
  • the venting structure may comprise a number of channels disposed in a portion of the support portion.
  • the venting structure may further comprise an uneven surface treatment on a portion of the support portion adapted to engage the sealing portion.
  • the cushion assembly further comprises an inner support member formed separately from the outer sealing member, the inner support member having one or more venting structures for preventing entrapment of air between the outer sealing member and the support member.
  • the support member is adapted to engage the inner surface of the second end portion of the sealing member when the cushion assembly is compressed on the face of a patient.
  • the support portion may comprise a body portion having a number of apertures disposed therein.
  • the support member may be formed as a ring-like structure.
  • the support member may comprise a plurality of separate support members.
  • the inner support member may include an adhesive portion adapted to couple the inner support member to at least one of the outer sealing member or a mask to which the sealing member is coupled.
  • the support member may comprise a base portion having a number of support portions extending therefrom.
  • the support portions may comprise a plurality of finger-like projections which extend generally perpendicular from the base portion toward the inner surface of the opposite second end portion of the sealing member.
  • the support portion may comprise a plurality of separate support members.
  • a patient interface device for delivering a flow of gas to a patient.
  • the patient interface device comprises a mask shell and a cushion.
  • the cushion comprises a first end portion coupled to the mask shell, a second end portion disposed opposite the first end portion, and a passage formed therethrough passing between the first end portion and the second end portion.
  • the passage is adapted to conduct the flow of gas therethrough to the airway of the user when the patient interface device is disposed on the head of the user.
  • the second portion comprises a sealing portion having a first side and an opposite second side, the first side being adapted to sealingly engage a portion of a user's face when the patient interface device is disposed on the head of a user.
  • the second portion further comprises a support portion disposed adjacent the sealing portion, the support portion being adapted to engage the opposite second side of the sealing portion and define, at least in part, the passage when the patient interface device is disposed on the head of a user.
  • the sealing portion and the support portion for a cavity therebetween when the patient interface device is disposed on the head of the user.
  • the support portion comprises a venting structure adapted to vent gas between the passage and the cavity.
  • FIGS. 1 and 2 are cross-sectional views of prior art cushion designs
  • FIG. 3 is a front isometric view of an example embodiment of a patient interface device according to the principles of the present invention shown (schematically) connected to a gas flow/pressure generating system to form a patient interface system;
  • FIG. 4 is a rear isometric view of the patient interface device of FIG. 3;
  • FIGS. 5 A, 5B and 5C are cross-section views of a portion of the cushion of the patient interface device of FIGS. 3 and 4 taken along line 5-5 of FIG. 4 shown in a relaxed (FIG. 5A) and compressed (against a user) state (FIGS. 5B and 5C);
  • FIG. 6A is a cross-sectional view of a portion of another example embodiment of a cushion according to the principles of the present invention.
  • FIG. 6B is a cross-sectional view of the portion of FIG. 6A taken along line B-B of FIG. 6A;
  • FIG. 7A is a cross-sectional view of a portion of a further example embodiment of a cushion according to the principles of the present invention;
  • FIG. 7B is a cross-sectional view of the portion of FIG. 7A taken along line B-B of FIG. 7 A;
  • FIG. 8 A is a partial cross-sectional view of an embodiment of a cushion assembly according to the principles of the present invention.
  • FIG. 8B is an elevational view of a portion of the support member of the cushion assembly of FIG. 8A;
  • FIG. 8C is a top view of the support member of the cushion assembly of
  • FIG. 8A
  • FIG. 9A is a partial cross-sectional view of another embodiment of a cushion assembly according to the principles of the present invention.
  • FIG. 9B is an isometric view of a portion of the support member of the cushion assembly of FIG. 9A.
  • the word “unitary” means a component is created as a single piece or unit. That is, a component that includes pieces that are created separately and then coupled together as a unit is not a “unitary” component or body.
  • the statement that two or more parts or components "engage” one another shall mean that the parts exert a force against one another either directly or through one or more intermediate parts or components.
  • the term “number” shall mean one or an integer greater than one (i.e., a plurality) and the singular form of "a”, “an”, and “the” include plural referents unless the context clearly indicates otherwise.
  • FIGS. 3, 4, 5A and 5B illustrate an exemplary embodiment of a patient interface device 10 and components thereof according to the principles of the present invention.
  • Patient interface device 10 communicates a flow of breathing gas between the patient's airway and a pressure/flow generating system 12 (shown schematically), such as a ventilator, CPAP device, or variable pressure device, e.g., a BiPAP ® device manufactured and distributed by Philips Respironics, Inc. of Pittsburgh, Pa., or an auto-titration pressure support system.
  • a pressure/flow generating system 12 shown schematically
  • a ventilator such as a ventilator, CPAP device, or variable pressure device, e.g., a BiPAP ® device manufactured and distributed by Philips Respironics, Inc. of Pittsburgh, Pa., or an auto-titration pressure support system.
  • a BiPAP device is a bi-level device in which the pressure provided to the patient varies with the patient's respiratory cycle, so that a higher pressure is delivered during inspiration than during expiration.
  • An auto-titration pressure support system is a system in which the pressure varies with the condition of the patient, such as whether the patient is snoring or experiencing an apnea or hypopnea.
  • pressure/flow generating system 12 is also referred to as a gas flow generating device, because flow results when a pressure gradient is generated.
  • pressure/flow generating system 12 is any conventional system for delivering a flow of gas to an airway of a patient or for elevating a pressure of gas at an airway of the patient, including the pressure support systems summarized above and noninvasive ventilation systems.
  • Communicating a flow of breathing gas between the patient's airway and pressure/flow generating system 12 includes delivering a flow of breathing gas to the patient from the pressure/flow generating device and exhausting a flow of gas from the patient to ambient atmosphere.
  • the system for delivering a breathing gas to a patient comprises pressure/flow generating system 12 that produces a flow of gas, and a conduit 14, which is also referred to as a patient circuit, having a first end portion (not numbered) operatively coupled to the gas flow generating device and a second end portion (not numbered).
  • Conduit 14 carries the flow of gas from pressure/flow generating device 12 during operation of the system to patient interface device 10, which is coupled to the second end portion of conduit 14.
  • Conduit 14 corresponds to any conduit suitable for communicating the flow of gas form the pressure/flow generating system to the patient interface device.
  • An example of a typical conduit is a flexible tube.
  • a headgear assembly which is not shown in the figures, attaches patient interface device 10 to the patient's head.
  • Patient interface device 10 includes a cushion 16 and a mask shell 18 having a patient side and opposite thereto, an outer side. Attached to outer side of mask shell 18 is a conduit coupling member (not numbered) that couples mask shell 18 to conduit 14 so that a flow of gas is communicated to the interior of the patient interface device for subsequent delivery to the patient. Conversely, gas from the patient is communicated from the patient interface device into conduit 14, where an exhaust port is located.
  • mask shell 18 is formed as a generally rigid shell formed from rigid plastic, such as polycarbonate. It is to be understood that the present invention contemplates that one or more of the size, shape, or composition of mask shell 18 may be varied without varying from the scope of the present invention.
  • mask shell 18 has a generally rounded triangular shape and is provided with upper and lower headgear attaching elements 20, 22, which cooperate with corresponding attachment elements on headgear straps (not illustrated) for securely mounting patient interface device 10 on the head of a user. It is to be understood, however, that the present invention contemplates using any conventional connection assembly to attach a headgear or headgear strap to mask shell 18 or other suitable shell arrangement. It is to be further understood that the present invention also contemplates that mask shell 18 may further include a forehead support portion having headgear attaching elements for connection to further headgear straps. The present invention also contemplates providing a post or other protrusion at the upper portion of the shell, i.e., the portion overlying the bridge of the nose, to which the headgear can be attached.
  • the headgear suitable for use with patient interface device 10 is any conventional headgear used in the patient interface field.
  • a typical headgear assembly comprises a headpiece that overlies a portion of the patient's crania and with headgear straps extending therefrom to adjustably connect the headgear to the mask.
  • cushion 16 is formed of a soft, cushiony, elastomeric material, such as silicone, appropriately soft thermoplastic elastomers, closed cell foam, thin materials, or any combination of suitable materials and includes a first end portion (not numbered) adapted to be coupled to a mask (such as mask shell 18 of FIGS. 3 and 4), an opposite second end portion 24, and a passage 26 formed therethrough extending between the first end portion and second end portion 24.
  • Passage 26 is adapted to conduct the flow of gas generated by pressure/flow generating device 12 (and passed through conduit 14) therethrough to the airway of the user when patient interface device 10 is disposed on the head of the user.
  • second end portion 24 of cushion 16 includes a sealing portion 28, shown as a sealing flap having a first side 28a and an opposite second side 28b.
  • first side 28a is adapted to sealingly engage a portion (not numbered) of a user's face when patient interface device 10, and thus cushion 16, is disposed on the head of a user.
  • second end portion 24 further includes an inner support portion 30 disposed adjacent sealing portion 28 and which generally defines at least a portion of passage 26. As shown in FIG.
  • support portion 30 is adapted to engage opposite second side 28b of sealing portion 28 when patient interface device 10, and thus cushion 16, is disposed on, and generally compressed against a portion of, the head of a user.
  • a cavity 32 is formed between sealing portion 28 and support portion 30.
  • support portion 30 includes a venting structure, such as an aperture 34, which is positioned in a manner that allows passage of air or other gas between passage 26 and cavity 32 when cushion 16 is compressed against the face of a user, such as shown in FIGS. 5B and 5C. As shown by the arrows in FIG.
  • the pressurized flow of gas passing through passage 26 can effectively produce an air curtain effect within cavity 32 on sealing portion 28 which acts to enhance the seal between sealing portion 28 and the user's face by generally pressing sealing portion 28 outward toward the user.
  • a venting structure e.g., aperture 34
  • the pressurized flow of gas passing through passage 26 can effectively produce an air curtain effect within cavity 32 on sealing portion 28 which acts to enhance the seal between sealing portion 28 and the user's face by generally pressing sealing portion 28 outward toward the user.
  • FIGS. 6A and 6B show cross-sectional views of portions of further example embodiments of cushions 16' and 16" in accordance with the principles of the present invention.
  • support portion 30' includes a venting structure 34' formed from a number of channels 36 disposed in the portion (not numbered) of support portion 30' that engages sealing portion 28 when the patient interface device on which cushion 16' is coupled is disposed on the head of a user.
  • support portion 30" includes a venting structure 34" formed from a number of micro -channels or other suitable generally uneven surface treatment on the portion (not numbered) of support portion 30" that engages sealing portion 28 when the patient interface device on which cushion 16" is coupled is disposed on the head of a user.
  • FIGS. 8A-8C show an example embodiment of a cushion assembly 40 and components thereof according to the principles of the present invention.
  • cushion assembly 40 includes an outer sealing member 42 and an inner support member 44, formed separately from sealing portion 42.
  • sealing portion 42 is formed of a soft, cushiony, elastomeric material, such as silicone, appropriately soft thermoplastic elastomers, closed cell foam, thin materials, or any combination of suitable materials and includes a first end portion 46 adapted to be coupled to a mask (such as mask shell 18 of FIGS. 3 and 4), and an opposite second end portion 48 having an outer surface 48a adapted to sealingly engage the face of a user and an inner surface 48b disposed opposite the outer surface 48a.
  • a mask such as mask shell 18 of FIGS. 3 and 4
  • Sealing portion 42 further includes a passage, shown generally at 50, formed therethrough extending between first end portion 46 and second end portion 48.
  • Passage 50 is adapted to conduct the flow of gas generated by a pressure/flow generating device and passed through a conduit therethrough to the airway of the user when the patient interface device on which cushion assembly 40 is coupled is disposed on the head of a user.
  • support portion 44 includes a body portion 52 formed from an elastic or other suitable semi-elastic material having a number of apertures 54 disposed therein.
  • support portion 44 is structured to function in a similar manner as support portions 30, 30' and 30" previously discussed by engaging inner surface 48b of second end portion 48 of sealing portion 42 when sealing portion 42 is disposed on and compressed against the face of a user. It is to be understood that by including one or more apertures 54 or other suitable venting structures, formation of sealed cavities between support portion 44 and sealing portion 42, and thus entrapment of air between sealing portion 42 and support portion 44 is avoided.
  • support portion 44 may be retrofit to cushions in order to provide or bolster support as needed. Accordingly, it is further to be understood that support portion 44 may be formed as a single member, such as shown in the example of FIG. 8C, or may be formed as a number of smaller members which may be selectively placed in desired locations.
  • FIGS. 9A-9B show a further example embodiment of a cushion assembly 60 and components thereof according to the principles of the present invention.
  • cushion assembly 60 includes an outer sealing member 62 and an inner support member 64, formed separately from sealing portion 62.
  • sealing portion 62 is formed of a soft, cushiony, elastomeric material, such as silicone, appropriately soft thermoplastic elastomers, closed cell foam, thin materials, or any combination of suitable materials and includes a first end portion 66 adapted to be coupled to a mask (such as mask shell 18 of FIGS.
  • Sealing portion 62 further includes a passage, shown generally at 70, formed therethrough extending between first end portion 66 and second end portion 68. Passage 70 is adapted to conduct the flow of gas generated by a pressure/flow generating device and passed through a conduit therethrough to the airway of the user when the patient interface device on which cushion assembly 60 is coupled is disposed on the head of a user.
  • support portion 64 includes a base portion 72 having a number of support members 74 extending therefrom.
  • support members 74 are formed as a plurality of finger-like projections which extend generally perpendicularly from base portion 72 toward inner surface 68b of second end portion 68 of sealing portion 62.
  • support members of other suitable shapes may be employed without varying from the scope of the present invention.
  • support portion 64 is structured to function in a similar manner as support portions 30, 30', 30" and 44 as previously discussed by engaging inner surface 68b of second end portion 68 when sealing portion 62 is disposed on and compressed against the face of a user. It is to be understood that by providing support via a number of spaced support members 74, formation of sealed cavities between support portion 64 and sealing portion 62, and thus entrapment of air between sealing portion 62 and support portion 64 is avoided. It is also to be understood that by being formed as a separate member from sealing portion 62, support portion 64 may be retrofit to cushions in order to provide or bolster support as needed. Accordingly, it is further to be understood that support portion 64 may be formed as a single member or may be formed as a number of smaller members which may be selectively placed in desired locations.
  • support portions 44 or 64 may be formed in a manner that, due to their shape, tend to be retained within a sealing portion.
  • the circular arrangement of FIG. 8C shows an example of a support member formed in a manner that would tend to be retained within a sealing portion without any additional retention means.
  • other retention means include, without limitation, adhesives, velcro, or other suitable means, that may be employed to secure support portions 44 or 64 to one or both of sealing portions 42 or 62 or the mask to which such portions are coupled.
  • venting structures employed on or within the support portions or members described herein may be varied without varying from the scope of the present invention. Accordingly, it is to be appreciated that instead of, or in addition to, selected portions as described herein, the entire support portion or support member may be formed from a suitable porous material which naturally allows air flow therethrough to provide the ballooning effects as described herein.
  • the present invention is not intended to be limited to the mask or cushion shapes described herein but instead may be employed with masks and cushion of various other shapes or designs.
  • the various structures described herein can be used alone or in combination to the extent possible.
  • any reference signs placed between parentheses shall not be construed as limiting the claim.
  • the word “comprising” or “including” does not exclude the presence of elements or steps other than those listed in a claim.
  • several of these means may be embodied by one and the same item of hardware.
  • the word “a” or “an” preceding an element does not exclude the presence of a plurality of such elements.
  • any device claim enumerating several means several of these means may be embodied by one and the same item of hardware.
  • the mere fact that certain elements are recited in mutually different dependent claims does not indicate that these elements cannot be used in combination.

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  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

Un coussin (16) pour un dispositif d'interface patient (10) comprend une première partie d'extrémité, une seconde partie d'extrémité (24) disposée à l'opposé de la première et un passage (26) formé à travers celui-ci. La seconde partie comprend une partie d'étanchéité (28) ayant un première côté (28a) et un second côté opposé (28b). Le premier côté vient en prise de manière étanche avec une partie du visage d'un utilisateur. La deuxième partie comprend en outre une partie de support (30) disposée de manière adjacente à la partie d'étanchéité. La partie de support vient en prise avec le second côté opposé de la partie d'étanchéité et définit au moins en partie le passage lorsque le dispositif d'interface patient est disposé sur l'utilisateur. Une cavité (32) est formée entre la partie d'étanchéité et la partie de support lorsque le dispositif d'interface patient est disposé sur l'utilisateur et la partie de support comprend une structure de ventilation (34) adaptée à l'évacuation du gaz entre le passage et la cavité.
PCT/IB2013/050092 2012-01-17 2013-01-04 Coussin avec support de ventilation destiné à être utilisé avec un dispositif d'interface patient WO2013108145A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261587141P 2012-01-17 2012-01-17
US61/587,141 2012-01-17

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015097265A3 (fr) * 2013-12-24 2015-08-27 Intersurgical Ag Améliorations apportées aux masques respiratoires
WO2016030381A1 (fr) * 2014-08-28 2016-03-03 Koninklijke Philips N.V. Coussin de masque perméable aux gaz mis sous pression cpap
WO2016094411A1 (fr) * 2014-12-08 2016-06-16 Human Design Medical, Llc Masque facial ayant une structure de support interne destiné à être utilisé avec des systèmes de ventilation et de pression d'air positive
CN107148288A (zh) * 2014-10-27 2017-09-08 人类设计医疗有限公司 用于各种气道正压供应系统的鼻罩
US10238826B2 (en) 2011-05-03 2019-03-26 Intersurgical Ag Respiratory mask
US10702666B2 (en) 2013-12-20 2020-07-07 Koninklijke Philips N.V. Customizable facial sealing segment for respiratory device and method of customizing

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3330273A (en) * 1964-10-15 1967-07-11 Puritan Compressed Gas Corp Oro-nasal face mask with improved sealing cuff
WO2005118040A1 (fr) * 2004-06-03 2005-12-15 Resmed Limited Coussin pour interface patient
US20090114230A1 (en) * 2007-11-07 2009-05-07 Mergenet Solutions, Inc. Cushion for ventilation interface
WO2010016774A1 (fr) * 2008-08-04 2010-02-11 Fisher & Paykel Healthcare Limited Interface de fixation d'un masque respiratoire

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3330273A (en) * 1964-10-15 1967-07-11 Puritan Compressed Gas Corp Oro-nasal face mask with improved sealing cuff
WO2005118040A1 (fr) * 2004-06-03 2005-12-15 Resmed Limited Coussin pour interface patient
US20090114230A1 (en) * 2007-11-07 2009-05-07 Mergenet Solutions, Inc. Cushion for ventilation interface
WO2010016774A1 (fr) * 2008-08-04 2010-02-11 Fisher & Paykel Healthcare Limited Interface de fixation d'un masque respiratoire

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10238826B2 (en) 2011-05-03 2019-03-26 Intersurgical Ag Respiratory mask
US10702666B2 (en) 2013-12-20 2020-07-07 Koninklijke Philips N.V. Customizable facial sealing segment for respiratory device and method of customizing
WO2015097265A3 (fr) * 2013-12-24 2015-08-27 Intersurgical Ag Améliorations apportées aux masques respiratoires
JP2017500158A (ja) * 2013-12-24 2017-01-05 インターサージカル アクチェンゲゼルシャフト 呼吸マスクに関する改良
GB2521644B (en) * 2013-12-24 2020-03-11 Intersurgical Ag Improvements relating to respiratory masks
US11058839B2 (en) 2013-12-24 2021-07-13 Intersurgical Ag Sealing cushion with inner membrane
WO2016030381A1 (fr) * 2014-08-28 2016-03-03 Koninklijke Philips N.V. Coussin de masque perméable aux gaz mis sous pression cpap
US10888678B2 (en) 2014-08-28 2021-01-12 Koninklijke Philips N.V. CPAP pressurized gas permeable mask cushion
CN107148288A (zh) * 2014-10-27 2017-09-08 人类设计医疗有限公司 用于各种气道正压供应系统的鼻罩
EP3212266A4 (fr) * 2014-10-27 2018-06-13 Human Design Medical, LLC Masque nasal applicable dans divers systèmes de ventilation en pression positive des voies aériennes
WO2016094411A1 (fr) * 2014-12-08 2016-06-16 Human Design Medical, Llc Masque facial ayant une structure de support interne destiné à être utilisé avec des systèmes de ventilation et de pression d'air positive

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