EP3370834A1 - Dispositif de protection en cas d'avalanche - Google Patents

Dispositif de protection en cas d'avalanche

Info

Publication number
EP3370834A1
EP3370834A1 EP16794555.9A EP16794555A EP3370834A1 EP 3370834 A1 EP3370834 A1 EP 3370834A1 EP 16794555 A EP16794555 A EP 16794555A EP 3370834 A1 EP3370834 A1 EP 3370834A1
Authority
EP
European Patent Office
Prior art keywords
avalanche
backpack
airbag
protection device
breathing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16794555.9A
Other languages
German (de)
English (en)
Other versions
EP3370834B1 (fr
Inventor
Stefan STAUB
Thomas Roos
Claudio GALLASCH
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Spin Spv I Bet GmbH
Original Assignee
Mamaloha GmbH
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 Mamaloha GmbH filed Critical Mamaloha GmbH
Publication of EP3370834A1 publication Critical patent/EP3370834A1/fr
Application granted granted Critical
Publication of EP3370834B1 publication Critical patent/EP3370834B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B33/00—Devices for allowing seemingly-dead persons to escape or draw attention; Breathing apparatus for accidentally buried persons
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45F—TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
    • A45F3/00—Travelling or camp articles; Sacks or packs carried on the body
    • A45F3/04—Sacks or packs carried on the body by means of two straps passing over the two shoulders
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45F—TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
    • A45F4/00—Travelling or camp articles which may be converted into other articles or into objects for other use; Sacks or packs carried on the body and convertible into other articles or into objects for other use
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B99/00—Subject matter not provided for in other groups of this subclass

Definitions

  • the present invention relates to the technical field of avalanche protection equipment. Specifically, the present invention relates to a
  • Avalanche protection device comprising an avalanche backpack with an inflatable buoyancy airbag and an improved breathing system for the
  • Avalanche airbags clearly show that the impact of avalanche airbags on mortality has a much smaller impact than previously thought and survival is not guaranteed by additional buoyancy alone.
  • inflated avalanche airbags only prevent about half of all fatalities with avalanche airbags (from 22% to 1 1%).
  • the study identifies relevant factors that determine avalanche survival chances and these are versatile; Avalanche size, location of the victim at
  • Avalanche safety equipment is included.
  • the risk of a trough-shaped avalanche spillway (so-called terrain traps)
  • Avalanche size and the potential danger of after avalanches are the parameters for the risk of a complete burial of avalanche victims, despite buoyancy airbags. It should also be noted that the majority of the avalanche airbag systems on the market in the deployed state pose a danger to their users' field of vision
  • Avalanche breathing systems do not increase the chance of survival of an avalanche victim to the same extent as the buoyancy systems.
  • the buoyancy systems lead to a highly significant reduction in mortality, as the Burial depth with buoyancy airbags in most cases is so low that the buoyancy airbags of the avalanche backpacks are visible on the surface of the avalanche cone, which also significantly facilitates the rescue of comrades.
  • the buoyancy airbags of the avalanche backpacks are visible on the surface of the avalanche cone, which also significantly facilitates the rescue of comrades.
  • the shape of the terrain and the size of an avalanche and the potential danger of subsequent avalanches there is still the risk that an avalanche victim can be buried with a buoyancy system.
  • a practice-relevant disadvantage which all previously disclosed avalanche backpack systems, must be brought into the light at this point. Namely, if a person is buried in an avalanche and a second person must provide comrade help, the rescuer is in danger of a subsequent avalanche. However, this rescuer has to pull off the avalanche backpack and thus the buoyant and possibly breathable protection system when it most needed, just to get to the probe and the bucket.
  • Facial airbags can be tightened automatically on the mouth of the avalanche victim.
  • a rapid and vigorous pull on the trigger handle initiates the replenishment of the face airbag and buoyancy airbag (s).
  • Filling the face airbag can position the mouthpiece in front of the mouth of the avalanche victim, optional can also serve a prestressed spring, which jump up.
  • full inflation of the face airbag will cause the mouthpiece to be tightened to the avalanche victim's mouth and under no circumstances be able to escape from the mouth during avalanche departure and avalanche burial as it is tightly positioned in front of the mouth.
  • the buoyancy volume generated by the at least one buoyancy airbag contained in the avalanche protection bag makes it possible to stay above the snow cover during the avalanche departure or at least be carried along in the upper part of the snow mass.
  • the present invention provides thanks to the addition to the at least one buoyancy airbag provided automatically tightenable mouthpiece his user the opportunity to breathe under the snow cover of an avalanche.
  • Ambient air from the snowpack can be sucked in and the CO 2 produced by respiration can be absorbed.
  • This purpose is a mouthpiece, which is connected to the breathing apparatus. in the Respiratory cases distinguish two valves between the air that is inhaled and the air that is exhaled.
  • the inhalation one-way valve draws the ambient air through the inhalation hose and uses an intake manifold at the ambient air intake zone in the snow
  • the exhalation one-way valve leaves the low-02 and high-CO 2 exhaled air in a safe place.
  • the so-called face airbag offers various advantages to survive: Its pattern is arranged so that its filling (either with compressed air or with the ambient air intake fan possible) on the one hand tightens the mouthpiece on the head and especially on the mouth of the avalanche victim and holds in position while also protecting the airways Incoming snow and also offers trauma protection in the head and
  • the facial airbag can, with its numerous advantages, in the avalanche protection backpack according to the invention
  • the facial airbag may be separate from or from the buoyancy airbags or may be connected to the buoyancy airbag (s) as a chamber.
  • a single airbag thanks to its convenient cutting pattern the functions of buoyancy, tightening the mouthpiece on the mouth of the avalanche victim, protection of the respiratory tract and trauma protection purposes.
  • the face airbag and the buoyancy airbags are formed separately from each other.
  • Avalanche protection backpack provided: the so-called throwaway
  • shoulder strap reduced backpack allows in the avalanche case rescue the ejection of the small safety backpack to at least come to the avalanche probe and the avalanche shovel, without compromising the protective effect of breathable and buoyant
  • the avalanche protection device with the avalanche protection backpack and his to use the entire interior volume, or parts of it, as a gigantic intake manifold for the respiratory system to cope with breathing in this life threatening situation of an avalanche outlet.
  • the use of a so-called ambient air intake fan is provided. It is a battery-powered blower, which ambient air from the
  • Lift airbag and the face airbag can blow out.
  • the inner volume of the ambient air intake fan can serve as intake for the respiratory system, with the inhalation hose directly on the
  • Ambient Nursingansauggebläse housing or its Luftströmungsrüssel may be connected.
  • the advantage here is that the ambient air in the buoyancy airbag can also be used for breathing.
  • the present invention offers a variety of advantages over existing approaches to both respiratory systems and buoyancy systems; Since the mouthpiece so on the mouth of
  • the present invention in each of its described embodiments, offers a higher probability of survival than all previous avalanche and avalanche respiratory systems, and thus may be considered by many alpinists, variant riders, freeriders and tourers to be an essential survival enhancement of their equipment.
  • the present invention thus provides a desirable new state of the art.
  • FIG. 1A schematically shows an avalanche victim with basic components of the respiratory system of the avalanche protection device according to the invention in a half-side view from behind;
  • FIG. 1B schematically shows the avalanche victim with basic components of the respiratory system of the avalanche protection device according to the invention in a half-side view from the front;
  • FIG. 1C schematically shows the tightening mechanism of the respiratory system of the avalanche protection device according to the invention with the face airbag in a half-side view from the front;
  • FIG. 2A schematically shows the strap-reduced backpack of the avalanche protection device according to the invention in a front view
  • FIG. 2B schematically shows the strap-reduced backpack of the avalanche protection device according to the invention in a rear view
  • FIG. 3A schematically shows a further embodiment of the strap-reduced backpack of the invention
  • Avalanche protection device in a side view
  • FIG. 3B schematically shows a further embodiment of the strap-reduced backpack of the invention
  • Avalanche protection device in a side view
  • FIGS. 4A to 4I show schematically different detail drawings of an ambient air intake fan of the invention
  • FIG. 1A shows a possible embodiment of the basic elements of the respiratory system 70 of the avalanche protection device according to the invention.
  • the avalanche protection device according to the invention comprises besides this
  • Breathing system thanks to which breathing is possible even after an unwanted spill, also an avalanche backpack with at least one inflatable buoyancy airbag.
  • the breathing system can also be advantageously accommodated in the avalanche protection backpack and, if necessary, taken out of it.
  • the avalanche victim 24 can inhale via the mouthpiece 12 and the associated breathing housing 11, by means of the inhalation one-way valve 13, via an inhalation tube 31 and by means of at least one intake manifold 28 from the ambient air intake zone 30, the ambient air contained in the snow cover between the snow crystals, and thereafter again via the mouthpiece 12 and the breathing chamber 1 1, exhale by means of the exhalation one-way valve 14 (see Fig. 1 B) and the exhalation tube 15 connected to the exhalation CO 2 exhalation region 1 6.
  • Ambient air intake zone 30 (as in Fig. 1A).
  • Another embodiment of the invention provides, in addition to the mouthpiece 12 also a silicone lip (not shown) to provide, which also covers the nose of the avalanche victim 24 and thus can be tightened using the face airbag 36 automatically to the mouth and nose.
  • This embodiment can be combined with any of the other embodiments of this invention.
  • FIG. 1B in turn shows possible embodiments of the basic elements of the breathing system 70 of the invention Avalanche Protection backpack.
  • the avalanche victim 24 has the mouthpiece 12 in the mouth and breathes, as described in Fig. 1 A, the ambient air through the breathing housing 1 1 and blasts the exhaled air by means of the exhalation one-way valve 14 and the exhalation tube 15 connected to the CO2 exhalation 1 6 from.
  • Avalanche protection backpack 1 with its entire internal volume, or parts of its internal volume can serve as a gigantic intake manifold 28, this would have at least one convenient point of the
  • Avalanche protective backpack 1 may be installed for a gas permeable layer in order to use the snow mass surrounding the avalanche protection bag 1 as the ambient air intake zone 30. Further, there is the possibility of the so-called ambient air intake fan 26 (to be explained later) as
  • Form intake manifold 28 which can actively support the breathing and the housing 27 the respiratory system 70 as a gigantic
  • Intake manifold 28 can serve.
  • FIG. 1C illustrates an important integral part of the respiratory system 70: the facial airbag 36 allows the mouthpiece 12 of the respiratory system 70 to be automatically tightened to the mouth of the avalanche victim 24: if the trigger handle 58 is actuated, a preloaded spring 37 may optionally be provided (not shown), which is latched to a spring detent portion 59 (not shown) prior to actuation, and springs up by this actuation, thereby bringing the mouthpiece 12 into position in front of the mouth of the avalanche victim 24. Then, the face airbag 36, which unfolds from the upper part of the avalanche backpack 1 and its carrying strap, completely inflate and thereby position the mouthpiece 12 the avalanche victim 24 automatically at the mouth and tighten.
  • the pattern of the face airbag 36 is advantageously made so that by its complete filling such a strong pressure on the
  • Facial airbag 36 unfolds running around the head and in the neck area this is shaped so that it pulls on the one hand around the head but also from the upper head area down to the mouthpiece 12 attracts. That's it
  • Pattern of the face airbag 36 advantageously made so that there is no It plays a role whether the avalanche victim 24 wears a helmet or not.
  • the facial airbag (36) it is possible for the facial airbag (36) to have one, two or more chambers. In either case, the mouthpiece 12 is automatically tightened to the avalanche victim 24 at the mouth by the inflation of the face airbag 36. This provides the avalanche victim 24 in the head and
  • the trigger handle 58 unfolds not only the face airbag 36, but also the buoyancy airbag 96, which serves the avalanche victim 24 as a buoyancy body in the avalanche.
  • This may be formed on the one hand as the same chamber as the face airbag 36 or may also be formed as a separate chamber.
  • Buoyancy airbag 96 by at least one biased spring jumps out of the avalanche protection backpack 1 and thereby the
  • the approaches are different in that in the present invention, the mouthpiece 12 is automatically guided to the mouth of the avalanche victim 24 and tightened and the avalanche victim 24 does not have to manually take it in the mouth and must hold with the mouth during avalanche burial since the facial airbag 36 of the present invention automatically tightens and holds the mouthpiece 12 in place, thus ensuring not only the physical connection with the respiratory tract and the life-sustaining apparatus and thus allowing breathing under the snow cover, and additionally Airways protects against the onset of snow and, thanks to the facial airbag 36, also provides vital trauma protection in the head and shoulders
  • Neck area offers. Furthermore, the approaches differ in that in the present invention is possible with a pulling movement of the
  • Triggering 58 on the one hand, the filling of the buoyancy airbag 96 can be initiated, as well as the breathing system 70 with its mouthpiece 12th
  • Prefrontal cortex is turned off and situation-appropriate and rational action is almost impossible in the life-threatening situation of avalanche departure.
  • the present invention takes into account the limited capabilities of avalanche victims 24, since buoyancy and the ability to breathe are allowed by pulling motion on the trigger handle 58, and therefore, desirably enhances the prior art.
  • One possible embodiment of the breathing system 70 provides for the interior volume of the avalanche protection backpack 1 or parts of the interior volume to be used as a gigantic intake manifold 28 (not shown). This offers the avalanche victim 24 the opportunity just during the
  • the facial airbag 36 is also used to position and tighten a conventional respiratory system at the mouth of the avalanche victim.
  • the facial airbag 36 with the inventive breathing system 70 also in the form of avalanche protective clothing such as a vest or jacket to make the facial airbag 36 so in the
  • Collar construction can be incorporated and can be designed so that he can position and tighten the mouthpiece 12 at the mouth of the avalanche victim 24 by filling it in turn the respiratory tract of the
  • Avalanche victim 24 are protected and where also the facial airbag 36 trauma protection in the head and neck area offers. All, in the present
  • inventions and sub-elements can also be formed in the form of an avalanche protective clothing and can also be via conventional compressed air and or in use with the
  • the advantage of the belt-reduced backpack 21 is clear: On the one hand, this allows in the avalanche drop the belt-reduced backpack 21 from avalanche backpack 1 and thereby allows the emergence of at least avalanche probe and avalanche shovel without the possibility lose the buoyancy system in case of danger and to be able to tighten the respiratory system at the mouth.
  • the strap-reduced backpack 21 is therefore designed as a unit, which from the
  • Avalanche protective backpack 1 attachable and disposable, without the
  • Backpack 21 can be dropped without having to deduct the avalanche backpack 1 itself.
  • the shoulder strap reduced backpack 21 is removable, without the arms through the straps of the
  • the strap-reduced backpack 21 can be secured by means of two upper backpack fasteners 22, two lower backpack fasteners 23, or by only one attachment surrounding the abdominal area (not
  • buckles or other convenient attachment options can be attached to the avalanche protection backpack 1.
  • a further possible embodiment of the strap-reduced backpack 21 is shown schematically, which has no belts at all. It can be designed as a throwaway backpack unit for the carrying and dropping of at least avalanche probe and avalanche shovel and can by means of remotely releasable (pull) latch, pawls,
  • any convenient attachment and (remote) release option can be used here to drop the throw-away strap-reduced backpack 21 even without a strap.
  • it may be dropped by the pulling motion of a remote release handle (95) as seen in Figs. 3A and 3B, which may be at any convenient location on the avalanche protection backpack.
  • this embodiment is also possible in the embodiment of avalanche protective clothing
  • FIGS. 4A to 4G illustrate one possible embodiment of the ambient air suction scrub that may be used to fill up the buoyancy airbag 96 and the face airbag 36, and also as a respiratory active assist air intake manifold 28.
  • Ambient air intake fan 26 is that the air in the buoyancy airbag 96 can also be used for breathing and breathing by means of the
  • Ambient air intake fan 26 can be actively supported.
  • the air flow trunk 33 ensures optimum distribution of the ambient air volume flow generated by the propeller 29 in the ambient air intake fan housing 27.
  • Embodiment provides for the use of one, two, or more propellers (not shown), which can suck in and blow out the ambient air either axially or radially.
  • the propeller 29 optionally also a second propeller 57, blows the ambient air into the air flow nozzle 33, the majority of the ambient air volume flow, due to the shape of the respective channels of the air flow nozzle 33, depending on the embodiment, first via the central air flow channel 55 to
  • Facial airbag 36 immediately but also on the left air flow channel 48 and the right air flow channel 49 in the buoyancy airbag 96. Once this is fully inflated and the avalanche victim 24 provides buoyancy, the majority of the volume flow in the air flow trunk 33 automatically finds its way through the central air flow channel 55, which has a smaller output than the other channels. As a result, a strong escape
  • Ambient air intake fan 26 as active support for the
  • Respiratory system 70 may be the inhalation hose 31 at any point either the ambient air intake fan housing 27 or on
  • Ambient air intake fans 26 directly assist breathing Inner volume serves as a large intake manifold 28, over which even with exhausted battery 51 (not shown) can still be breathed.
  • At least one (sensor-controlled) one-way valve (not shown) can be formed at any point in the ambient air intake fan 26 in such a way that the blown-out air of the buoyancy airbag 96 and the face airbag 36 can not flow back into the ambient air intake fan 26, so that the ambient air is at least in the buoyancy airbag
  • either two connections (not shown) or a connection (not shown) may be connected to either the central air flow channel 55, which opens or bisects at a particular location (not shown) on the one hand to inflate the face airbag 36 and to let the excess ambient air flow into the breathing housing 1 1.
  • Exhalation one-way valve 14 and thus via the exhalation tube 15 to the CO 2 exhalation 1 6 or off can optionally also back to
  • Ambient air intake fans 26 flow.
  • At least one motor 54 can be located in the housing of the ambient air intake fan 27, wherein, for example, a powerful electric motor can be used which has at least one propeller 29 but also an optional second propeller 57 either rotating radially or axially, Which in turn ambient air through the intake manifold 28 of the
  • the arrows in the respective figures show the air flow direction; Furthermore, it should be noted that thanks to the ambient air intake fan 26, unlike, for example, in EP 2 604 318 A2, at any time ambient air only in one
  • the inhalation hose 31 which may be connected directly to the ambient air intake fan 26 or the air flow trunk 33, on the one hand the buoyancy and on the other hand actively support the breathing.
  • the approaches differ in that in the present invention, the airflow trunk 33 causes the ambient air to flow into three different channels (or optionally one, two, three, four, five, six or more, not shown); so that the left
  • Air flow channel 48, the right air flow channel 49 and the central air flow channel 55 make the further allocation of the sucked ambient air.
  • the ambient air flows via the air flow nozzle 33 from the left air flow channel 48 and from the right air flow channel 49 into the air
  • Airflow lobes 33 or on the buoyancy airbag may be appropriate for optimally allocating the airflow generated by the ambient air intake fan 26 so that initially the buoyancy airbag 96 and face airbag 36 deploy optimally and generate lift, and then after (still possible complete) burial of the avalanche victim 24, the remaining capacity of the battery 51 can be used to let the maximum volume of ambient air into the breathing housing 1 1, and thus suckable from the mouthpiece 12, to flow.
  • the support housing 47 protects the ambient air intake fan 26 from impact and pressure.
  • the carrying case 47 serves that the buoyancy airbag 96 can develop optimally, and has the necessary space for it.
  • the air flow trunk 33 may also such with the
  • Ambient air intake blower housings 27 may be connected such that a hinge (not shown) allows for mobility of the ambient air intake blower housing 27 and thus improved ergonomics.
  • a suitable padding (not shown), which can be incorporated between the shown in Fig. 4A to Fig. 41 elements of the ambient air intake 26 and the avalanche 1, the avalanche victim 24 sufficient protection against shocks and bruises in the back and Spine area to offer.
  • FIGS. 4H and 41 another possible embodiment of the ambient air intake fan 26 is shown, with the crankshaft of the engine 54 turning two propellers at once; the propeller 29 and the propeller 57.
  • this embodiment there are two
  • Intake manifold 28 and two ambient air intake 30 is provided.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Pulmonology (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)

Abstract

La présente invention concerne un dispositif de protection en cas d'avalanche, comprenant : un sac à dos de protection en cas d'avalanche (1) comprenant au moins un coussin gonflable de flottabilité (96) qui peut être gonflé; et un système respiratoire (70) doté d'un boîtier respiratoire (11) qui relie une valve unidirectionnelle d'inspiration (13) à un tuyau d'inspiration (31) et au moins une tubulure d'aspiration (28) et au moins une zone d'aspiration d'air extérieur (30), et qui relie une valve unidirectionnelle d'expiration (14) à un tuyau d'expiration (15) et une zone d'expiration de CO2 (16), un embout buccal (12) se trouvant sur le boîtier respiratoire (11), l'embout buccal (12) pouvant être tiré automatiquement sur la bouche de la personne (24) victime de l'avalanche par actionnement d'une poignée de déclenchement (58) au moyen d'un coussin gonflable facial (36). L'invention concerne par ailleurs un procédé pour utiliser un tel dispositif de protection en cas d'avalanche.
EP16794555.9A 2015-11-05 2016-11-04 Dispositif de protection en cas d'avalanche Active EP3370834B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH01609/15A CH711728A2 (de) 2015-11-05 2015-11-05 Lawinenschutzeinrichtung.
PCT/EP2016/076730 WO2017077074A1 (fr) 2015-11-05 2016-11-04 Dispositif de protection en cas d'avalanche

Publications (2)

Publication Number Publication Date
EP3370834A1 true EP3370834A1 (fr) 2018-09-12
EP3370834B1 EP3370834B1 (fr) 2019-09-25

Family

ID=57286463

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16794555.9A Active EP3370834B1 (fr) 2015-11-05 2016-11-04 Dispositif de protection en cas d'avalanche

Country Status (5)

Country Link
US (1) US20180326233A1 (fr)
EP (1) EP3370834B1 (fr)
CA (1) CA3004365A1 (fr)
CH (1) CH711728A2 (fr)
WO (1) WO2017077074A1 (fr)

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EP3532173B1 (fr) * 2016-10-26 2022-02-09 Werz Innovations GmbH Dispositif d'assistance respiratoire
DE102022123470A1 (de) 2022-08-29 2024-02-29 ADVENATE GmbH Rettungssystem umfassend einen aufblasbaren Auftriebsairbag
WO2024047029A1 (fr) 2022-08-29 2024-03-07 ADVENATE GmbH Système de sauvetage comprenant un coussin de sécurité gonflable à flottabilité gonflable

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DE102019110303A1 (de) * 2019-04-18 2020-10-22 ADVENATE GmbH Lawinenairbagsystem
CN113679970B (zh) * 2021-08-10 2022-08-16 重庆天阳矿业有限公司 一种矿井用压缩氧自救器
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Publication number Priority date Publication date Assignee Title
EP3532173B1 (fr) * 2016-10-26 2022-02-09 Werz Innovations GmbH Dispositif d'assistance respiratoire
DE102022123470A1 (de) 2022-08-29 2024-02-29 ADVENATE GmbH Rettungssystem umfassend einen aufblasbaren Auftriebsairbag
WO2024047029A1 (fr) 2022-08-29 2024-03-07 ADVENATE GmbH Système de sauvetage comprenant un coussin de sécurité gonflable à flottabilité gonflable

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CH711728A2 (de) 2017-05-15
EP3370834B1 (fr) 2019-09-25
CA3004365A1 (fr) 2017-05-11
US20180326233A1 (en) 2018-11-15
WO2017077074A1 (fr) 2017-05-11

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