WO2022099390A1 - Valve pour casque de respiration artificielle, casque de respiration artificielle et utilisation d'une valve pour casque de respiration artificielle - Google Patents

Valve pour casque de respiration artificielle, casque de respiration artificielle et utilisation d'une valve pour casque de respiration artificielle Download PDF

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Publication number
WO2022099390A1
WO2022099390A1 PCT/BR2020/050472 BR2020050472W WO2022099390A1 WO 2022099390 A1 WO2022099390 A1 WO 2022099390A1 BR 2020050472 W BR2020050472 W BR 2020050472W WO 2022099390 A1 WO2022099390 A1 WO 2022099390A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
helmet
region
access
artificial
Prior art date
Application number
PCT/BR2020/050472
Other languages
English (en)
Portuguese (pt)
Inventor
Guilherme Thiago DE SOUZA
Jaime Eduardo Galvez AVILES
Original Assignee
De Souza Guilherme Thiago
Aviles Jaime Eduardo Galvez
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 De Souza Guilherme Thiago, Aviles Jaime Eduardo Galvez filed Critical De Souza Guilherme Thiago
Priority to PCT/BR2020/050472 priority Critical patent/WO2022099390A1/fr
Publication of WO2022099390A1 publication Critical patent/WO2022099390A1/fr

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. ventilators; 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. ventilators; Tracheal tubes
    • A61M16/20—Valves specially adapted to medical respiratory devices
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B17/00—Protective clothing affording protection against heat or harmful chemical agents or for use at high altitudes
    • A62B17/04—Hoods
    • 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
    • A62B18/04—Gas helmets

Definitions

  • the present invention pertains to the field of devices, systems and means for influencing or assisting a patient's respiratory system and, more specifically, to the field of devices specially adapted to other respiratory medical systems.
  • the present invention relates to a helmet valve for artificial respiration, wherein said valve exhibits one-piece construction.
  • the present invention also relates to a helmet for artificial respiration and the use of said valve.
  • This valve allows adequate sealing for various medical uses, with easy use for different health professionals, while reducing discomfort to patients.
  • said valve increases patient safety while allowing quick interventions by the medical team without the need to remove the helmet to which it will be installed.
  • non-invasive methods and systems of ventilation and artificial respiration commonly comprise the use of helmets or masks, which are connected to other devices such as lung ventilators and mechanical respirators.
  • helmets or hoods normally have a main body with a substantially cylindrical shape, covering the entire head of the user, being hermetically sealed and often resting on their shoulders.
  • This interface option usually has the great benefit of dispensing with breathing or invasive ventilation, even more in stable patients, offering better oxygen exchange and being evidently more comfortable.
  • helmets When compared to masks, helmets also offer a better fit for patients who suffer from a variety of other circumstances, such as claustrophobia, and who may interact negatively with the use of masks.
  • the state of the art comprises several valve solutions for helmets that still do not satisfy the various demands of the different branches of health. These include not only the demands of the patient with respiratory problems, but those of the multi-tasking team treating the patient, such as doctors, nurses, technicians, physical therapists, and so on. Such demands include not only patient comfort, but also valve tightness for the safety of professionals, as well as versatility for the different treatments to which this patient may be submitted and total security for access to the patient's head, especially in cases of urgency and/or emergency.
  • patent document number EP 3,320,941 entitled “Artificial respiration system”.
  • Said document discloses an artificial respiration system comprising a helmet provided with a containment body, in which a patient's head can be accommodated, provided with an open end, an elastically flexible collar that can be hermetically coupled to the patient's neck.
  • a nasal cannula provided with a flexible tube at a first end of which a nasal dispenser is attached for administering a second respirable gas directly into a patient's nose and a flexible tube, in which at least a portion of the flexible tube and the nasal cannula dispenser are disposed within the volume enclosed by the containment body and the helmet collar.
  • EP 3,320,941 Another factor that compromises its versatility is the need for different valves of different proportions and diameters so that they adapt to different catheters, helmets and probes.
  • EP 3,320,941 does not provide clear teachings regarding the use of its valve to relieve the positive pressure of the helmet, so its solution does not meet the best hospital hygiene habits and protocols.
  • valve built in a single piece which dispenses a variety of accessories for its assembly, capable of allowing watertightness, versatility of use through different probes, catheters and applications, which allows relief of the pressure of the helmet to which it is installed in accordance with the demands of the patient and the healthcare team responsible for him/her, which provides adaptability to different types of helmets and masks, in addition to offering comfort and agility in its quick installation, assisting in quick interventions by the medical team without the need to remove the helmet.
  • the objective of the present invention is, therefore, to provide a helmet valve for artificial respiration according to the characteristics of claim 1 of the claim set.
  • Another objective of the present invention is to provide a helmet for artificial respiration according to the characteristics of claim 8 of the claim set.
  • Yet another objective of the present invention is to provide the use of a helmet for artificial respiration according to the characteristics of claim 9 of the claim set.
  • Figure 1 shows a front view of a helmet suitable for the valve of the present invention
  • Figure 2 shows a bottom view of the helmet of figure 1;
  • Figure 3 shows a partially sectional side view of an access to the helmet of figure 1;
  • Figure 4 presents the view of figure 3 with a screwed cap closed and with the coating and finishing cover in position on the fixing bead;
  • Figure 5 shows a side view of a watertight access valve according to the present invention
  • Figure 6 shows a sectional view of the valve according to figure 5;
  • Figure 7a shows a side view in partial section of an access of the helmet of figure 1 with the insertion of the watertight access valve according to the present invention
  • Figure 7b shows a partially sectional side view of an access of the helmet of Figure 1 with the watertight access valve according to the present invention inserted;
  • Figure 8 shows a side view of a preferred embodiment of the valve according to the present invention, being an expiratory valve
  • Figure 9 shows a sectional view of the expiratory valve according to figure 8a;
  • Figure 10a shows a partially sectional side view of an access to the helmet of Figure 1 with the exhalation valve insert according to the present invention together with an HMEF/HEPA filter;
  • Figure 10b shows a partially sectional side view of an access to the helmet of Figure 1 with the expiratory valve according to the present invention inserted;
  • Figure 11 presents a graph of flow (LPM) by pressure (cm H2O) of the different diameters of use of the valve according to the present invention, both as a leak-proof and expiratory access valve.
  • a valve (800, 850) according to the invention is intended for a helmet suitable for artificial respiration, or helmet only (100), which is a structure that essentially comprises a bubble (200) which, in turn, comprises a transparent main structure (210), at least one access hatch (220), one or more accesses (230), one or more external elements (240) and possibly other suitable elements and accessories.
  • the main structure (210) forms the transparent part of the bubble (200) and is a tubular piece, preferably cylindrical, with one of its ends closed and the other open, as is known from the prior art.
  • the accesses (230) commonly have a base or plug or socket with internal or external thread (231), removable, and constitute interfaces between the helmet (100) and the external environment and/or non-invasive ventilation interfaces NIV (not shown), enabling the use of watertight access valves (800) for the passage and/or fixing of hoses, tubes, valves, drains and the like, in addition to the passage of monitoring elements, probes, electrodes, cables, hoses , tubes and other elements known from the state of the art and commonly used in conjunction with helmets (100) of the nature discussed herein.
  • the accesses (230) also allow the use of expiratory or exhalation valves (850), to allow air to escape from inside the helmet (100), which may also include the use of filters (1000), drains, balloons or also coupling parts for clinical analysis and other related equipment and accessories.
  • a valve (800, 850) according to the invention is therefore an interface element that can be inserted into the ports (230).
  • the valve (800, 850) is constructed in one piece, is substantially cylindrical in shape and comprises at least one staging region (810), a access region (820) with access channel (821) and a tapered inner channel (840). In the case of watertight access valves (800) there may additionally be a stop region (830).
  • the staggering region (810) of the valve (800, 850) in accordance with the present invention is adjacent to the watertight access region (820).
  • Said scaling region (810) acts as the portion insertable in the accesses (230) of the helmet (100). Its extremity is closed, not allowing the communication of the external environment with the internal environment of the helmet (100); and its diameter and the diameter of the ports (230) correspond in a way already known to the person skilled in the art, so that there is tightness and there is no undesired leakage of air pressure.
  • the external surface of the staggering region (810) of the valve (800, 850) also comprises indicative rings (811) that externally indicate the cut regions corresponding to the different diameters of the conical internal channel (840).
  • the staggering region (810) of the watertight access valve (800) and the expiratory valve (850), according to the present invention corresponds to a value between 30% and 70% of the total length of the valve (800), preferably between 40% and 60%.
  • the access region (820) of the valve (800, 850) is adjacent to the staging region (810).
  • Said access region (820) houses the base of the conical inner channel (840) and is therefore open.
  • the access region (820) further comprises a stop region (830), intermediate between it and the staggering region (810), as a way of preventing undesired entry of the entire watertight access valve (800) through the accesses (230) of the helmet (100).
  • the access region (820) itself acts as a stop for the valve.
  • the access region (820) of the valve (800, 850) corresponds to a value between 20% and 60%, preferably between 30% and 50% . of the total length of the valve (800, 850).
  • the stop region (830) of the watertight access valve (800) has the function of preventing unwanted entry of the entire valve body (800) through the accesses (230) of the helmet (100). ) and ensure its watertightness. Therefore, its diameter must correspond to a value at least 20% greater than the diameter of the scaling region (810) and, consequently, at least 20% greater than the diameter of the accessions (230). In the case of the expiratory valve, in which the access region (820) acts as a stop, it is the diameter of the access region (820) that must correspond to a value at least 20% greater than the diameter of the staging region ( 810) and, consequently, at least 20% larger than the diameter of the accessions (230).
  • the conical internal channel (840) of the valve (800, 850) has its base on the open face of the access region (820) of the valve (800, 850); and its apex within the stagger region (810), so that the stagger region (810) prevents the tapered inner channel (840) from protruding the entire length of the valve (800, 850).
  • the total height of the conical inner channel (840) of the valve (800, 850) corresponds to a value between 35% and 95%, preferably between 40% and 90% of the total length of the valve (800, 850).
  • the present valve (800, 850) is extremely versatile and eliminates a series of other elements such as adapters, connections, clips, clamps, and can be used as a watertight access valve (800), expiratory valve (850) and, , as a simple closing of an access (230), being able to act in different ways when installed to a helmet (100).
  • the watertight access valve (800) can be used as a watertight access valve (800) that adapts to different types of accessories, since its use for the watertight passage of feeding tubes, hoses, vein accesses, probes and the like it only depends on the technician in charge using a sharp object to make a cut in the same direction as the diameter of the watertight access valve (800), removing a small portion of the scaling region (810) and allowing these accessories to pass through the entire internal channel conical (840). Therefore, the person skilled in the art can notice that the rings (811) on the surface of the stagger region (810) can act as indicators of the desired opening diameter, facilitating the visualization of the technician or health professional in activity.
  • a watertight access valve (800) also comprises cutting it in the transverse direction, for the passage of an accessory, in situations where said accessory has an end that does not pass through the smallest diameter of the conical internal channel (840) of the watertight access valve (800), like some types of sensors.
  • it can also be used as an expiratory valve (850), for use in conjunction with adapters (900) and filters (1000).
  • the indicative rings (811) of the surface of the scaling region (810) can also act as indicative of the desired opening diameter, facilitating the visualization of the technician or health professional in activity.
  • the internal diameters of the different sections of the conical internal channel (840) should preferably be smaller than indicated, so that the tapered inner channel walls (840) exert sufficient pressure on the object or fixture to completely encircle it, thereby maintaining watertightness.
  • a valve (800, 850) according to the invention watertight access (800) must be manufactured in materials suitable for the present applications, resilient, resistant, easy to handle and cut and corresponding to various medical and surgical materials, including in a non-limiting way thermoplastic materials, thermosets, polymers in general, different types of silicones, various autoclavable materials, among others, either alone or in combination.
  • valve (800, 850) of the invention can be supplied ready for use, dispensing with complex assemblies and adaptations, ensuring watertightness, versatility of use in different helmets and masks, being adaptable to different types. from other devices.
  • This valve also allows quick assistance in case of emergencies, since it eliminates the use of several other types of valves of different diameters and proportions; and has sufficient mechanical structure to avoid locks or sealing problems, ensuring dimensional stability and watertightness, which offers comfort and safety to both the healthcare professional who uses it and the patient for whom it is intended.
  • a helmet (100) for artificial respiration according to the present invention is a helmet (100) suitable for use for artificial respiration and provided with one or more valves (800, 850) in accordance with the invention.
  • valve (800, 850) The use of a valve (800, 850) according to the invention is the use of this valve (800, 850) in an artificial respiration helmet (100).

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

Abstract

La présente invention concerne une valve (800, 850) pour casque de respiration artificielle (100), fabriquée en une seule pièce et comprenant au moins une zone à graduation (810), une zone d'accès (820) avec canal d'accès (821) et un canal interne conique (840). L'invention concerne également un casque de respiration artificielle (100) et l'utilisation d'une valve (800, 850).
PCT/BR2020/050472 2020-11-13 2020-11-13 Valve pour casque de respiration artificielle, casque de respiration artificielle et utilisation d'une valve pour casque de respiration artificielle WO2022099390A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/BR2020/050472 WO2022099390A1 (fr) 2020-11-13 2020-11-13 Valve pour casque de respiration artificielle, casque de respiration artificielle et utilisation d'une valve pour casque de respiration artificielle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/BR2020/050472 WO2022099390A1 (fr) 2020-11-13 2020-11-13 Valve pour casque de respiration artificielle, casque de respiration artificielle et utilisation d'une valve pour casque de respiration artificielle

Publications (1)

Publication Number Publication Date
WO2022099390A1 true WO2022099390A1 (fr) 2022-05-19

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PCT/BR2020/050472 WO2022099390A1 (fr) 2020-11-13 2020-11-13 Valve pour casque de respiration artificielle, casque de respiration artificielle et utilisation d'une valve pour casque de respiration artificielle

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2362240A (en) * 1942-12-21 1944-11-07 Bonilla Saturnino Tofe Breathing device
RU2095050C1 (ru) * 1994-06-28 1997-11-10 Будадин Олег Николаевич Дыхательный аппарат для проведения физиотерапевтических процедур
EP2100635A2 (fr) * 2008-03-13 2009-09-16 Dimar S.R.L. Casque de respiration artificielle sans l'aide de masques faciaux ni de tubes trachéaux, avec portabilité améliorée
CN105498063A (zh) * 2016-01-28 2016-04-20 何伟彬 一种充气式婴儿吸氧头罩
US9950135B2 (en) * 2013-03-15 2018-04-24 Covidien Lp Maintaining an exhalation valve sensor assembly
EP3320941A1 (fr) * 2016-11-14 2018-05-16 Intersurgical S.P.A. Système de respiration artificielle
US10272226B2 (en) * 2012-04-13 2019-04-30 Fresca Medical, Inc. Auto-feedback valve for a sleep apnea device
EP2548600B1 (fr) * 2011-07-19 2019-11-13 Intersurgical S.P.A. Casque ouvrable pour ventilation non invasive de patients
BR102020009837A2 (pt) * 2020-05-15 2020-07-14 Universidade Tecnológica Federal Do Parana balão hermético de ventilação não invasiva com colar elastomérico e conexões funcionais na linha buco-nasal

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2362240A (en) * 1942-12-21 1944-11-07 Bonilla Saturnino Tofe Breathing device
RU2095050C1 (ru) * 1994-06-28 1997-11-10 Будадин Олег Николаевич Дыхательный аппарат для проведения физиотерапевтических процедур
EP2100635A2 (fr) * 2008-03-13 2009-09-16 Dimar S.R.L. Casque de respiration artificielle sans l'aide de masques faciaux ni de tubes trachéaux, avec portabilité améliorée
EP2548600B1 (fr) * 2011-07-19 2019-11-13 Intersurgical S.P.A. Casque ouvrable pour ventilation non invasive de patients
US10272226B2 (en) * 2012-04-13 2019-04-30 Fresca Medical, Inc. Auto-feedback valve for a sleep apnea device
US9950135B2 (en) * 2013-03-15 2018-04-24 Covidien Lp Maintaining an exhalation valve sensor assembly
CN105498063A (zh) * 2016-01-28 2016-04-20 何伟彬 一种充气式婴儿吸氧头罩
EP3320941A1 (fr) * 2016-11-14 2018-05-16 Intersurgical S.P.A. Système de respiration artificielle
BR102020009837A2 (pt) * 2020-05-15 2020-07-14 Universidade Tecnológica Federal Do Parana balão hermético de ventilação não invasiva com colar elastomérico e conexões funcionais na linha buco-nasal

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