WO2021252376A1 - Dispositif d'assistance respiratoire - Google Patents

Dispositif d'assistance respiratoire Download PDF

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Publication number
WO2021252376A1
WO2021252376A1 PCT/US2021/036216 US2021036216W WO2021252376A1 WO 2021252376 A1 WO2021252376 A1 WO 2021252376A1 US 2021036216 W US2021036216 W US 2021036216W WO 2021252376 A1 WO2021252376 A1 WO 2021252376A1
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WO
WIPO (PCT)
Prior art keywords
plunger
barrel
opening
distal end
concentric ring
Prior art date
Application number
PCT/US2021/036216
Other languages
English (en)
Inventor
Alan R. Carver
Original Assignee
Dechoker LLC
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
Priority claimed from US16/895,941 external-priority patent/US11324877B2/en
Application filed by Dechoker LLC filed Critical Dechoker LLC
Publication of WO2021252376A1 publication Critical patent/WO2021252376A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/50—Instruments, other than pincettes or toothpicks, for removing foreign bodies from the human body
    • 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
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
    • A61M1/96—Suction control thereof
    • A61M1/962—Suction control thereof having pumping means on the suction site, e.g. miniature pump on dressing or dressing capable of exerting suction
    • 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
    • A61M16/04—Tracheal tubes
    • A61M16/0465—Tracheostomy tubes; Devices for performing a tracheostomy; Accessories therefor, e.g. masks, filters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/24—Surgical instruments, devices or methods, e.g. tourniquets for use in the oral cavity, larynx, bronchial passages or nose; Tongue scrapers
    • 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
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/64—Containers with integrated suction means
    • A61M1/67—Containers incorporating a piston-type member to create suction, e.g. syringes
    • 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
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71—Suction drainage systems
    • A61M1/79—Filters for solid matter
    • 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
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/80—Suction pumps
    • A61M1/81—Piston pumps, e.g. syringes
    • A61M1/815—Piston pumps, e.g. syringes the barrel serving as aspiration container, e.g. in a breast pump
    • 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
    • A61M16/04—Tracheal tubes
    • A61M16/0463—Tracheal tubes combined with suction tubes, catheters or the like; Outside connections
    • 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
    • A61M16/04—Tracheal tubes
    • A61M16/0465—Tracheostomy tubes; Devices for performing a tracheostomy; Accessories therefor, e.g. masks, filters
    • A61M16/047—Masks, filters, surgical pads, devices for absorbing secretions, specially adapted 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
    • A61M16/04—Tracheal tubes
    • A61M16/0465—Tracheostomy tubes; Devices for performing a tracheostomy; Accessories therefor, e.g. masks, filters
    • A61M16/0472—Devices for performing a tracheostomy
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22—Valves or arrangement of valves
    • A61M39/24—Check- or non-return valves
    • 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
    • A62B18/02—Masks
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B7/00—Respiratory apparatus
    • A62B7/14—Respiratory apparatus for high-altitude aircraft
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/30—Surgical pincettes without pivotal connections
    • A61B2017/306—Surgical pincettes without pivotal connections holding by means of suction
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22—Valves or arrangement of valves
    • A61M39/24—Check- or non-return valves
    • A61M2039/2406—Check- or non-return valves designed to quickly shut upon the presence of back-pressure
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22—Valves or arrangement of valves
    • A61M39/24—Check- or non-return valves
    • A61M2039/2426—Slit valve
    • 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
    • A61M2205/75—General characteristics of the apparatus with filters
    • A61M2205/7536—General characteristics of the apparatus with filters allowing gas passage, but preventing liquid passage, e.g. liquophobic, hydrophobic, water-repellent membranes
    • 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
    • A61M2210/00—Anatomical parts of the body
    • A61M2210/06—Head
    • A61M2210/0625—Mouth
    • 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
    • A61M2210/00—Anatomical parts of the body
    • A61M2210/06—Head
    • A61M2210/0625—Mouth
    • A61M2210/065—Throat; Pharynx

Definitions

  • An airway assist device and methods of making and using an airway assist device to assist in opening an airway or removing fluid or material obstructing an airway of a subject are provided.
  • a chocking person alone may not be able to perform the Heimlich maneuver on himself or herself.
  • Another person if present may lack the physical strength, be untrained, or be too afraid to perform the Heimlich maneuver on the chocking person.
  • a broad object of particular embodiments of the invention can be to provide an airway assist device including a barrel having an open barrel proximal end and a barrel distal end having a first opening and a second opening.
  • a plunger having a plunger proximal end and a plunger distal end slidably moves within said barrel.
  • a first one-way valve fluidically coupled to the first opening at the barrel distal end allows fluid or materials to pass into the barrel upon outward draw of the plunger in the barrel and a second one-way valve fluidically coupled to the second opening allows fluid or materials to pass out of the barrel upon inward push of the plunger in said barrel.
  • a throat tube fluidically coupled to the first opening passes through a face mask configured to engage the face of a subject with the throat tube inserted into the airway of the subject.
  • a receptacle fluidically coupled to the second opening receives fluid or materials drawn or dislodged from the subject’s airway.
  • Another broad object of particular embodiments of the invention can be to provide an airway assist device including a barrel having an open barrel proximal end and a barrel distal end having an opening.
  • a plunger having a plunger proximal end and a plunger distal end slidably moves within said barrel.
  • a first seal encircles the plunger between said first concentric ring and said second concentric ring and a second seal encircles the plunger between the second concentric ring and the third concentric ring.
  • a one-way valve fluidically coupled to the first opening at the barrel distal end allows fluid or materials to pass into the barrel upon outward draw of the plunger in the barrel.
  • a throat tube fluidically coupled to the opening passes through a face mask configured to engage the face of a subject with the throat tube inserted into the airway of the subject.
  • Another broad object of embodiments of the invention can be a method of making an airway assist device including forming a barrel having an open barrel proximate end opposite a barrel distal end having a first opening and a second opening and slidably engaging a plunger within said barrel. Fluidically coupling a first one-way valve to said first opening at said barrel distal end through which fluid passes into said barrel upon outward draw of said plunger in said barrel and fluidically coupling a second one-way valve to the second opening through which fluid passes out of said barrel upon inward push of said plunger in said barrel. Fluidically coupling a throat tube to the first opening which passes through a face mask configured to engage the face of a subject with the throat tube inserted into the airway of the subject. Fluidically coupling a receptacle to the second opening to receive fluid or materials drawn or dislodged from the subject’s airway.
  • Another broad object of particular embodiments of the invention can be a method of using an airway assist device including slidably engaging a plunger in a barrel, wherein the barrel has a barrel distal end including a first opening including a first one-way valve which allows fluid and materials to pass into the barrel upon outwardly drawing the plunger in the barrel, and a second one-way valve which allows fluid to pass from the barrel upon inwardly pushing of the plunger in the barrel. Fluidically coupling a throat tube which passes through a face mask to the first opening.
  • FIG. 1 is an illustration of a method of using a particular embodiment of the airway assist device.
  • Figure 2 is a first perspective view of a particular embodiment of the airway assist device.
  • Figure 3 is second perspective view of a particular embodiment of the airway assist device.
  • Figure 4 is an exploded view of a particular embodiment of the airway assist device.
  • Figure 5 is first end elevation view of a particular embodiment of the airway assist device.
  • Figure 6 is a second end elevation view of a particular embodiment of the airway assist device.
  • Figure 7 is first side elevation view of a particular embodiment of the airway assist device.
  • Figure 8 is a second side elevation view of a particular embodiment of the airway assist device.
  • Figure 9 is top plan view of a particular embodiment of the airway assist device.
  • Figure 10 is bottom plan view of a particular embodiment of the airway assist device.
  • Figure 11 is cross section view 11-11 as shown in Figure 5 which illustrates a particular method of use of the airway assist device.
  • Figure 12 is a cross section view 12-12 as shown in Figure 8 which illustrates a particular method of use of the airway assist device.
  • Figures 1 through 12 depict embodiments of an airway assist device (1) and methods of making embodiments of an airway assist device (1) and using embodiments of the airway assist device (1) to assist in opening an airway (A) or removing fluid or material (O) obstructing the airway (A) of a subject (S).
  • Embodiments of the airway assist device (1) can comprise, consist essentially of or consist of one or more of the components further described herein.
  • Embodiments can include a barrel (2) having an open barrel proximal end (3) and a barrel distal end (4).
  • the barrel distal end (4) can include a first opening (5) and can further include a second opening (6) communicating between a barrel external surface (7) and a barrel internal surface (8) which defines a barrel interior chamber (9).
  • a retainer ring (10) having a radially inwardly directed annular lip (11) which defines a retainer ring opening (12) can, but need not necessarily, be removably coupled to the barrel proximal end (3).
  • embodiments can further include a plunger (14) slidably disposed within the barrel interior chamber (9) of the barrel (2).
  • the plunger (14) can have a length disposed between a plunger proximal end (15) and a plunger distal end (16).
  • the plunger (14) can comprise a plunger sidewall (17) having a plunger external surface (18) and a plunger internal surface (19) joining a closed plunger distal end (16) defining a plunger interior chamber (20) open at the plunger proximal end (15).
  • the plunger (14) can further include a plunger cap (21) coupled or removably coupled to the plunger proximal end (15).
  • the surfaces of the barrel distal end (4) and the plunger distal end (16) can, but need not necessarily, be configured to engage or abut.
  • the plunger distal end (16) can be substantially flat or flat and the barrel internal surface (8) at the barrel distal end (4) can be substantially flat or flat allowing the barrel distal end (14) to abut the barrel internal surface (8) at barrel distal end (4).
  • embodiments can, but need not necessarily, include a handle (23) coupled to the plunger proximal end (15) of the plunger (14).
  • the handle (23) can be configured as a knob (24) as depicted in the Figures, but this is not intended to preclude any configuration which can be grasped to aid in sliding the plunger (14) within the barrel (2).
  • the handle (23) can be coupled to the plunger cap (21).
  • the handle (23) and the plunger cap (21) can, but need not necessarily be, one-piece.
  • one or more seals (25) can, but need not necessarily, encircle the plunger (14) proximate the plunger distal end (16) and contact the barrel internal surface (8) upon sliding engagement of the plunger (14) in the barrel (2).
  • a first seal (25 A) and a second seal (25B) can be disposed in spaced apart relation each encircling the plunger (14) proximate the plunger distal end (16).
  • the seals (25) can be configured as any form of mechanical gasket which can be affixed or removably affixed to the plunger (14) and compressed between the barrel (2) and barrel internal surface (8) to reduce transfer of air in the annular space (26) between the plunger (14) and the barrel internal surface (8).
  • the one or more seals (25) can comprise one or more O-rings.
  • the plunger (14) can, but need not necessarily, further include one or more concentric rings (27) radially extending from and encircling the plunger (14) proximate the plunger distal end (16).
  • the term “concentric rings” broadly encompasses a continuous concentric ring (27) or concentric ring segments which partially encircle the plunger (14).
  • a first concentric ring (27 A) can be disposed to encircle and radially extend the plunger distal end (16) of the plunger (14). As shown in the illustrative example of Figure 4 the first concentric ring (27 A) can extend the flat or substantially flat surface of the plunger distal end (16).
  • a first concentric ring (27 A) and a second concentric ring (27B) can be disposed in spaced apart relation proximate the plunger distal end (16) with the first seal (25 A) encircling the plunger (14) disposed between the first concentric ring (27 A) and the second concentric ring (27B).
  • a first concentric ring (27 A) and a second concentric ring (27B) and a third concentric ring (27C) can be disposed in spaced apart relation proximate the plunger distal end (16) of the plunger (14) with the first seal (27 A) encircling the plunger (14) disposed between the first concentric ring (27 A) and the second concentric ring (27B) and the second seal (25B) encircling the plunger (14) disposed between the second concentric ring (27B) and the third concentric ring (27C).
  • one or more of the concentric rings (27) can, but need not necessarily, extend sufficiently radially outward of the plunger (14) to engage the inwardly directed lip (11) of the retainer ring (10) upon outward draw of the plunger (14) in the barrel (2) prevent the plunger (14) from being removed from the barrel (2).
  • a first one-way valve (28) can, but need not necessarily, be disposed to regulate airflow (depicted as arrow Al) through the first opening (5) in the barrel distal end (4).
  • the first one-way valve (28) can reduce or prevent airflow from passing outward of the first opening (5) from the barrel interior chamber (9) when the plunger (14) moves inward (depicted as arrow A2) within the barrel (2) toward the barrel distal end (4)(as shown in the example of Figure 11).
  • a second one-way valve (29) can, but need not necessarily, be disposed to regulate airflow (depicted by arrow A3) through the second opening (29) in the barrel distal end (4) of the barrel (2)(as shown in the example of Figure 12).
  • the second one-way valve (29) can reduce or prevent airflow from passing inward of the second opening (6) into the barrel interior chamber (9) when the plunger (14) moves outward (depicted by arrow A2) within the barrel (2) toward the barrel proximal end (3).
  • first one- way valve (28) or the second one-way valve (29) can, but need not necessarily be, duck bill valves as depicted in the Figures and the first and second valves (28)(29) can be in the form of any type of one way valve, such as: check valves, clack valves, non-return valves, reflux valves, retention valves, diaphragm valves, ball check valves, swing check valve, flapper valves or the like.
  • the plunger distal end (16) can be inserted into the barrel interior chamber (9) of the barrel (2).
  • the retainer ring (10) can be passed over plunger proximal end (15) and mateably secured or threadably coupled to the barrel proximal end (3) of the barrel (2).
  • the plunger (14) can slide within the barrel interior chamber (9) of the barrel (2).
  • the plunger (14) can be pushed inward within the barrel interior chamber (9) to abut the plunger distal end (16) with the barrel internal surface (7) at the barrel distal end (4) of the barrel (2). In this position, the barrel proximal end (3) of the plunger (2) or the handle (23) can extend through the retainer ring opening (12) out of the barrel proximal end (3) of the barrel (2).
  • the plunger, the plunger and one or more seals (25), or the plunger and one or more seals disposed between the corresponding concentric rings (27) can inhibit air flowing in the annular space (26) between the plunger (14) and the barrel internal surface (8) of the barrel (2).
  • the plunger (14) can act as a piston to reduce pressure within the barrel interior chamber (9) of the barrel (2).
  • the reduced pressure causes air to enter the barrel interior chamber (9) (depicted by arrow Al) through the first opening (5) disposed in the barrel distal end (4) or through the first one-way valve (28).
  • the second one-way valve (29) precludes or reduces airflow from passing through the second opening (6) into the barrel interior chamber (9).
  • the plunger (14) acts as a piston to increase pressure within the barrel interior chamber (9) of the barrel (2).
  • the increased pressure causes air to egress from the barrel interior chamber through the second opening (6) in the barrel distal end (4) or through the second one-way valve
  • the first one way valve (28) precludes or reduces airflow from passing through the first opening (5) from the barrel interior chamber (9).
  • a face mask (30) can be fluidically coupled to the first opening (5) in the barrel distal end (4) directly or through one or more hollow connectors (31).
  • the face mask (30) can include a dome (32) extending to a dome outer periphery (33) which can be configured to engage a subject (S).
  • a hollow stem (34) can outwardly extend from the dome (32) of the face mask (30) and be configured to removably couple directly or indirectly through one or more hollow connectors (31), with a tubular extension (35) disposed about the first opening (5) in the barrel distal end (4) of the barrel (2).
  • a small aperture (38) can be disposed in the face mask (30) to assist in preventing over pressurization of the face mask (30).
  • the face mask (30) can, but need not necessarily, include a plurality of face masks
  • a plurality of face masks (30) can be interchangeably coupled to the barrel (3) for the purposes of replacement of lost or damaged face masks, maintain sterile conditions, or to fit the features or size of each of a plurality of subjects (S).
  • the dome outer periphery (33) can, but need not necessarily, engage an annular cuff (36).
  • the annular cuff (36) can comprise a solid material having a density, hardness, or compression, or combination thereof, to conform to the subject’s face (F) about the mouth (M) and nose (N) as shown in the illustrative example of Figure 1.
  • the annular cuff (36) can comprise an inflatable tubular member (37).
  • the tubular member (37) can be inflated (depicted by arrow A4) to a firmness that allows the annular cuff (36) to conform to the subject’s face (F) about the mouth (M) and nose (N).
  • An inflatable annular cuff (36) can confer substantial advantages by engaging the subject’s face (F) with a better fit or seal to retain the reduced pressure or suction generated during operation of the plunger (14) within the barrel (2), or to afford greater comfort to the subject (S).
  • the annular cuff (36) can include a sealable fluid port (38) through which a fluid can ingress and egress the annular cuff (36) (depicted by arrow A4) to allow the firmness of the annular cuff (36) to be adjusted or to allow shipment in a deflated condition.
  • the dome (32) can comprise a sufficiently transparent or clear material allowing observation of the subject (S) or the fluid or material (O) drawn up from a throat (T) of the subject (S) through the dome (32).
  • a throat tube (39) having a length disposed between a throat tube first end (40) and a throat tube second end (41) can be coupled to or pass through the hollow stem (34) of the face mask (30) to directly, or indirectly through one or more hollow connectors (31), be fluidically coupled to the first opening (5) in the barrel distal end (4) of the barrel (2).
  • the hollow stem (34) extending outward of the dome (32) of the face mask (30) slidably engages a first portion (42) of a first hollow connector external surface (43) of a first hollow connector (44).
  • a second portion (45) of the first hollow connector external surface (43) having a lesser dimension passes through the hollow stem (34) and slidably receives the throat tube first end (40).
  • the assembly of the first hollow connector (44), the face mask (30), and the throat tube (39) can be fluidically connected to the first opening (5) in the barrel distal end (4) to fluidically couple the throat tube second end (41) to the barrel interior chamber (9).
  • the throat tube (39) can pass through the hollow stem (34) of the face mask (30) and directly, or indirectly through one or more hollow connectors (31) fluidically couple to the first opening (5) at the barrel distal end (4) of the barrel (2).
  • the hollow stem (34) and the throat tube (39) can be one piece.
  • the throat tube (39) can, but need not necessarily, include or more notches (46) open to the throat tube second end (41).
  • the one or more notches (46) can assist in preventing the tongue (T) of the subject (S) from be drawn by suction into the throat tube second end (41) during outward movement of the plunger (14) in the barrel (2).
  • the throat tube (39) can curve approaching the tube second end (41) to assist in advancement of the throat tube (39) into the curvature of the airway (A).
  • the throat tube (39) can, but need not necessarily, comprise a resilient or pliant material, as examples: polyvinylchloride, polyethylene, polypropylene, polyurethane, rubber, silicone, or neoprene and combinations thereof.
  • embodiments can, but need not necessarily include, a receptacle (47) fluidically coupled directly, or indirectly through one or more hollow connectors (48), to the second opening (6) in the barrel distal end (4) of the barrel (2).
  • the fluid or materials (O) contained within the barrel interior chamber (9) can, by inward movement of the plunger (14) in the barrel (2), be transferred through the second opening (5) in the barrel distal end (4) and collected in the receptacle (47).
  • the receptacle (47) can comprise a flexible receptacle (47 A) which may be disposed of after use, while in other embodiments, the receptacle can be a rigid receptacle (47B) which can be periodically cleaned and recoupled to the second opening (5) in the barrel distal end (4) of the barrel (2).
  • the receptacle (47) includes a flexible receptacle (47 A) disposed between a pair of rigid receptacle end caps (47C) disposed a fixed distance apart by a cross member (47C).
  • the flexible receptacle (47A) can comprise a sufficiently transparent material to visually observe the fluid and materials (O) contained in the receptacle (47).
  • the receptacle (47) can further include a fluid outlet port (49) to allow egress of air from the receptacle (47) (depicted by arrow A5) upon inward movement of plunger (14) in the barrel (2)(depicted by arrow A6).
  • the fluid outlet port (48) can comprise an aperture (49) in the receptacle (47).
  • the fluid outlet port (48) can be configured to receive or couple to a filter (50).
  • the filter (50) can comprise one or more filter layers affixed to or over the fluid outlet port (48).
  • the filter can, but need not necessarily, selectively allow air to pass out of the receptacle (47) but, retain liquids and materials (O) inside of the receptacle (47).
  • the filter (50) can comprise a fine mesh of woven polyester plastic monofilament treated with a hydrophobic coating which allows air and sound to pass but precludes, liquids and materials (O) from passing through the mesh which can be obtained from Futation, Hammerensgade 1, 2.th, 1267 Copenhagen, Denmark.
  • the filter (50) can comprise a porous membrane comprising a fluoroplastic such as tetrafluoroethylene which can be obtained through ThermoFisher Scientific 168 Third Avenue, Waltham, MA 02451.
  • the filter (50) can optionally comprise a porous foam material; however, these illustrative examples are not intended to preclude filters (50) made from other suitable materials, such as: cellulose acetate, polyethersulfone, nylon, cellulose nitrate, glass fiber or the like and combinations thereof.
  • a perforated filter retainer (51) can be coupled to the fluid outlet port (48) to provide a filter retainer interior chamber (52).
  • a filter (50) can be retained or removably retained within the filter retainer interior chamber (52) of the perforated filter retainer (51).
  • a perforated filter retainer closure (53) can be removably coupled or immovably affixed to the perforated filter retainer (51) to retain the filter (5) within the filter retainer interior chamber (52).
  • the perforated filter retainer (51) and the perforated filter retainer closure (53) can be configured to contact the filter (50) to reduce or prevent liquids or materials (O) from passing around the filter (50).
  • the receptacle (47) can, but need not necessarily, be coupled to the barrel (2) of the airway assist device (1).
  • one more receptacle retention bands (61) can circumferentially engage the barrel (2) and be sufficiently elastic to couple or removably couple to one or more receptacle retainers (62) to couple or removably couple the receptable (47) to the barrel (2) of the airway assist device (1); however, this illustrative example is not intended to preclude the use of other embodiments to couple or removably couple the receptacle (47) to the airway assist device (1), including as example mated pairs of fittings which friction fit, snap fit, interleave, threadably engage, or the like.
  • embodiments can, but need not necessarily include, a microprocessor (53) including a processor (54) communicatively coupled to a non-transitory memory (55) containing a program code (56) executable to produce sound (57) (depicted by arrow A7) through a speaker (58).
  • the microprocessor (53) can be located on an appropriate location of the airway assist device (1).
  • the program code (54) when executed can produce sound (57), which can be a prerecorded message which assists in operation of the airway assist device (1).
  • Embodiments can further include a user interface (59) which by user interaction (depicted by arrow A8)(as shown in the example of Figure 12) activates the microprocessor (53).
  • the user interface (59) can comprise and activation element (60) which can be operated to cause the microprocessor to produce sound in the form of instruction on proper use of the airway assist device (1), which instructions can be paused or replayed.
  • activation element 60
  • a method of using embodiments of the airway assist device (1) can comprise, consist essentially of or consist of one or more of: slidably engaging the plunger (14) in the barrel (2) (depicted by arrows A2 and A6).
  • the plunger (14) can be pushed inwardly in the barrel (2) toward the barrel distal end until the plunger distal end (16) has a location proximate or engages or abuts the barrel internal surface (8) at the barrel distal end (4) of the barrel (2)(depicted by arrow A6).
  • the method can further comprise inserting the throat tube (39) into the throat (T) of the subject (S)(as shown in the example of Figure 1).
  • the curved and flexible nature of the throat tube (39) can allow embodiments of the throat tube (39) to be inserted more readily in the curvature of the mouth (M) and throat (T) of the subject (S).
  • the method can further comprise engaging the face mask (30) about the mouth (M) and nose (N) of the subject (S)(as shown in the example of Figure 1).
  • the throat tube (39) can be dimensioned such that once the face mask (30) engages the face (F) of the subject (S), the throat tube second end (41) has the proper location in the throat (T).
  • the configuration of the mask (30) in relation to the configuration of the throat tube (T) acts as a stop and prevents over insertion of the throat tube (39) into the throat (T) which can cause the fluid or other material (O) to be pushed deeper into the subject’s airway (A).
  • the method can further comprise outwardly drawing the plunger (14) slidably disposed within said barrel
  • FIG. 1 The air drawn into the throat tube second end (41) assists in dislodging, expelling or drawing the fluid or other material (O) up and out of the throat (T)(depicted by arrow A10).
  • a retainer ring (10) can prevent the plunger (14) from being removed from within the barrel (2).
  • the transparent material of the dome (32) of the face mask (30) can allow the subject (S) or fluids and materials (O) to be observed through the dome (32).
  • the method can then further comprise removing the throat tube (39) from the throat (T) of the subject (S).
  • the method can then further comprise inwardly pushing the plunger (14) in said barrel (2) to generate a positive pressure in the barrel (2) (depicted by arrow A6) and expelling the fluid or material (O) from said barrel (2) through the second opening (6) in the barrel distal end (4) or through the second one-way valve (29) (depicted by arrow A11).
  • the method can further comprise collecting the fluid or material (O) expelled from said barrel (2) into the receptacle (47) fluidically coupled to said second opening (6)(depicted by arrow A12), and displacing air in the receptacle through a receptacle outlet port (48)(depicted by arrow A5).
  • the method can further comprise filtering the displaced air through a filter (50) coupled the receptacle outlet port (depicted by arrow A13).
  • the method can be repeated with or without removal of throat tube from the throat (T).
  • the basic concepts of the present invention may be embodied in a variety of ways.
  • the invention involves numerous and varied embodiments of an airway assist device (1) and methods for making and using such airway assist device including the best mode.
  • each element of an apparatus or each step of a method may be described by an apparatus term or method term. Such terms can be substituted where desired to make explicit the implicitly broad coverage to which this invention is entitled. As but one example, it should be understood that all steps of a method may be disclosed as an action, a means for taking that action, or as an element which causes that action. Similarly, each element of an apparatus may be disclosed as the physical element or the action which that physical element facilitates.
  • the disclosure of a “filter” should be understood to encompass disclosure of the act of “filtering” — whether explicitly discussed or not — and, conversely, were there effectively disclosure of the act of “filtering”, such a disclosure should be understood to encompass disclosure of a “filter” and even a “means for filtering.” Such alternative terms for each element or step are to be understood to be explicitly included in the description.
  • a numerical range of one to five includes for example the numeric values 1, 1.5, 2, 2.75, 3, 3.80, 4, 5, and so forth. It will be further understood that the endpoints of each of the ranges are significant both in relation to the other endpoint, and independently of the other endpoint. When a value is expressed as an approximation by use of the antecedent "about,” it will be understood that the particular value forms another embodiment. The term “about” generally refers to a range of numeric values that one of skill in the art would consider equivalent to the recited numeric value or having the same function or result.
  • the antecedent “substantially” means largely, but not wholly, the same form, manner or degree and the particular element will have a range of configurations as a person of ordinary skill in the art would consider as having the same function or result.
  • a particular element is expressed as an approximation by use of the antecedent “substantially,” it will be understood that the particular element forms another embodiment.
  • the term “a” or “an” entity refers to one or more of that entity unless otherwise limited. As such, the terms “a” or “an”, “one or more” and “at least one” can be used interchangeably herein.
  • each of the airway assist devices herein disclosed and described ii) the related methods disclosed and described, iii) similar, equivalent, and even implicit variations of each of these devices and methods, iv) those alternative embodiments which accomplish each of the functions shown, disclosed, or described, v) those alternative designs and methods which accomplish each of the functions shown as are implicit to accomplish that which is disclosed and described, vi) each feature, component, and step shown as separate and independent inventions, vii) the applications enhanced by the various systems or components disclosed, viii) the resulting products produced by such systems or components, ix) methods and apparatuses substantially as described hereinbefore and with reference to any of the accompanying examples, x) the various combinations and permutations of each of the previous elements disclosed.

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Abstract

L'invention concerne un dispositif d'assistance respiratoire et des procédés de fabrication et d'utilisation d'un dispositif d'assistance respiratoire pour aider à ouvrir une voie aérienne ou à éliminer un fluide ou un matériau obstruant une voie aérienne d'un sujet.
PCT/US2021/036216 2020-06-08 2021-06-07 Dispositif d'assistance respiratoire WO2021252376A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16/895,941 2020-06-08
US16/895,941 US11324877B2 (en) 2009-12-17 2020-06-08 Airway assist device

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WO2021252376A1 true WO2021252376A1 (fr) 2021-12-16

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IL (1) IL283723A (fr)
TW (1) TW202146065A (fr)
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202022102066U1 (de) 2022-04-19 2022-04-27 Nabil Chehade Vorrichtung zum Entfernen von den Atemluftweg verschließenden Gegenständen

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5313938A (en) * 1986-06-18 1994-05-24 Allen Samuel Garfield Valved resuscitation pump having secretion removal means
US20090228018A1 (en) * 2008-03-07 2009-09-10 Kevin Winiarski Anti-Choking Device
US20110152794A1 (en) * 2009-12-17 2011-06-23 Carver Alan R Throat obstruction dislodging device and method for its use
US20150190158A1 (en) * 2014-01-09 2015-07-09 Arthur LIH Choking intervention device and method of use thereof
US20200306420A1 (en) * 2009-12-17 2020-10-01 Dechoker LLC Airway Assist Device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5313938A (en) * 1986-06-18 1994-05-24 Allen Samuel Garfield Valved resuscitation pump having secretion removal means
US20090228018A1 (en) * 2008-03-07 2009-09-10 Kevin Winiarski Anti-Choking Device
US20110152794A1 (en) * 2009-12-17 2011-06-23 Carver Alan R Throat obstruction dislodging device and method for its use
US20200306420A1 (en) * 2009-12-17 2020-10-01 Dechoker LLC Airway Assist Device
US20150190158A1 (en) * 2014-01-09 2015-07-09 Arthur LIH Choking intervention device and method of use thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Dechoker Anti-choking device for adults (ages 12 years and up)", AMAZON, 21 October 2019 (2019-10-21), Retrieved from the Internet <URL:https://www.amazon.com/Dechoker-Anti-Choking-Device-Adult/dp/B07D1YR26L> *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202022102066U1 (de) 2022-04-19 2022-04-27 Nabil Chehade Vorrichtung zum Entfernen von den Atemluftweg verschließenden Gegenständen
WO2023202924A1 (fr) 2022-04-19 2023-10-26 Jespira Gmbh Dispositif pour éliminer des objets obstruant les voies respiratoires

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IL283723A (en) 2022-01-01
CN216366227U (zh) 2022-04-26
CN113827827A (zh) 2021-12-24
TW202146065A (zh) 2021-12-16

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