MXPA96000002A - Device and method for cas removal - Google Patents

Abstract

A device for the removal of helmets, which removes a helmet from the head of a user, without applying tension forces on the neck of this user. The removal device includes a bag (24), disposed between the helmet (12) and the top of the head (16), with this bag constructed and arranged so that when inflated from a folded configuration to an expanded configuration, the bag (24) displaces, at least partially, the head from inside the helmet. The removal device also includes an insertion tool (104), which inserts the bag between the helmet and the head, while this case is being used.

Description

DEVICE AND METHOD FOR THE REMOVAL OF HELMETS Field of the Invention The present invention relates, generally, to helmets and, more particularly, to a device that can be inflated to remove a protective helmet from a user's head, without imposing harmful or other stresses on the user's neck. , which can cause an injury to the spine or neck, or some other sensitive injury. Helmets are frequently used in activities or situations to protect a user's head which can be exposed to shock or damaging forces. Typically, these protective helmets include cushions or cushions, so that they fit snugly around the head. Due to the narrow fit of the helmet around the head, an appreciable amount of force must typically be exerted on the helmet, to lift and remove it from the head. This lifting force is typically applied by grasping the lower edge of the helmet and pushing or pulling the helmet upwards. An opposing tension force is thus transmitted to the neck of the user. The user of such helmet may be involved in an accident, which could cause or be subject to a spinal or neck injury. After such an accident, to start the user's treatment or, in some cases, to move the user, it is convenient, if not absolutely necessary, to remove the helmet. However, the method of pulling the helmet out of the head, described above, and the resulting tension forces, transmitted to the neck and spine can also injure the user. To remove the helmet without applying tension forces to the neck, often the helmet is cut and separated from the user. This method of removal unduly consumes time in a distress situation when the speed is critical, and, of course, the helmet can no longer be used again. In addition, the cutting tools for performing this method are typically not available when such a need arises. Thus, frequently, the user of the helmet must be transported to another site for the removal of the helmet, which produces more anguish. Therefore, an object of the present invention is to provide an improved device and method for removing a helmet from the head of a user. A further object of the present invention is to provide an improved method and device for removing a helmet from around a user's head, while minimizing, if not eliminating, the potential forces that are transmitted to the user's neck.

Still another object of the present invention is to provide an improved method and device for removing a helmet from around the head of a user with this device and method adapted for use with a helmet after it has been placed on the user's head. . Still another object of the present invention is to provide an improved device for removing a helmet from the head of a user, without damaging it. It is also convenient that any method and device for removing a helmet from a user's head is adapted in such a way that this method and device can be used with the existing helmet configurations and also that the method and device be adapted for use afterwards. that the user places the helmet on his head. prßvß Deacipgjón fle l * Invention Therefore, the present invention provides a device and method for removing helmets which at least partially separate the head of a user from inside a helmet, in such a way that it can be lifted and removed this without applying force to the user's neck. The device includes a bag, disposed between the head and the helmet, this bag is constructed and arranged so that the inflation, from a folded configuration to an expanded configuration, displaces, at least partially, the head from inside the helmet. The removal device also includes an arrangement to inflate the bag by introducing a fluid, preferably a gas, inside an internal chamber, defined by this bag. More specifically, the present removal device includes a bag, which can be folded into a folded configuration and placed inside a helmet, in a location that generally corresponds to the top of a user's head. A tube has one end in fluid communication with an internal chamber, defined by the bag and the other end is accessible to a user. A source of air under pressure is remotely connected to the accessible end to selectively inflate the bag. The inflation of the bag increases the volume of the chamber thereof and, therefore, the size of the bag causes it to unfold and expand to the inflated configuration. The increase in the size of the bag causes it to exert opposing forces on the upper part of the user's head and the adjacent portion of the helmet, thus displacing, at least partially, the head from inside the helmet. An alternative embodiment of the invention supplies the pouch and piping, described above, and further includes an elongated tool for inserting the tube between the head of the user and the helmet and placing this pouch in a folded configuration at a location generally at the top of the head.

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view, in elevation, with parts in section and separated, of a preferred embodiment of the helmet removal device, according to the invention, arranged inside a helmet, which fits around of the head; Figure 2 is a side elevational view, with parts in section and separated, of the device of Figure 1, with a bag, which forms a part of the device in an expanded configuration; Figure 3 is a partial side view of the device of Figure 1; Figure 4 is a perspective view of an alternative embodiment of the invention; Figure 5 is a view, with separate pieces, of the device of Figure 4; Figure 6 is a perspective view, with parts in section and separated, of the device of Figure 4, shown inserted between the head and the helmet; Figure 7 is a flat top view of the bag, forming a part of the inventions of Figures 1 and 3, in a flattened configuration; and Figure 8 is the bag of Figure 7, partially bent.

DESCRIPTION OF THE PREFERRED EMBODIMENT Referring now to Figure 1, a preferred embodiment of the helmet removal device of the invention is generally indicated at 10 and shown in combination with a helmet 12. Although the helmet 12 illustrated is a football helmet , the removal device 10 can be applied equally in other types of helmets, such as those used for other sports, for example in motorcycling, etc. The helmet 12 includes a hard outer shell 14 and is configured to fit generally around the head 16 of a wearer. The helmet 12 defines an internal chamber 17. Attached to an inner surface 18 of the cover 14 are preferably cushioned at least one and typically a plurality of cushions 20. These cushions 20 are configured to form a snug fit between the helmet 12 and the head 16, as is well known in the art. To accommodate heads of various configurations, the cushions 20 may be constructed of inflatable bags of a resilient material, or the like. When inflatable bags such as cushions are used, they typically employ a needle valve on the outer surface and are designed solely to provide comfort and protection, but are not intended, designed or capable of removing the helmet. The device 10 for removing the helmet includes a bag 24, disposed between the helmet 12 and the head 16. This bag 24 is constructed and arranged so that the inflation and expansion thereof from the folded configuration, as illustrated in the Figure 1, to the expanded configuration, as illustrated in Figure 2, move, at least partially, the head 16 from inside the hull 12. Preferably, inflation of the bag 24 displaces the head 16 from the hull 12 by such distance that The helmet can be completely removed from the head, without exerting any tension force on the user's neck, which could potentially damage it. In the preferred embodiment, the bag 24 is composed of a material which does not expand appreciably when the bag is subjected to inflation. This bag 24 is folded for placement in the folded configuration and, during inflation, the bag 24 is unfolded to the expanded configuration. Also, during inflation, portions of the surface of the bag 24 rub against not only the helmet 12 but also against other portions of the bag. Thus, this bag 24 should preferably be composed of a material which is durable, but has a smooth surface of low friction. A particular material, which has provided particularly good results, is a laminate with an outer layer of polyester and an inner layer of polyethylene, such as the film manufactured by Columbus Packaging Co., of Columbus, Georgia, USA Bags 24 composed of others materials, has also been found to offer satisfactory results. For example, the bag 24 may also be composed of a material which is stretched during inflation. The use of an extensible material can allow the bag 24 to be placed in the folded configuration without bending. However, when using an extensible material, like a non-extensible material, the strength or durability of the material must be considered, so that the bag 24 does not break during inflation. It is also preferred that the pouch 24 be constructed in such a manner that, during inflation, no appreciable amount of gas escapes from the pouch, which could prevent the pouch from inflating to the desired expanded configuration. Thus, in addition to being sealed, the bag must be constructed of a material which is relatively impermeable, at least for the period of time during which the bag is subjected to inflation and expansion.

Referring again to Figure 1, the bag 24 is attached, removably, to the helmet 12 by strips or adhesive tapes 26. The removable attachment of the bag 24 to the helmet 12, allows this bag to be replaced after use and also allows the device 10 to be adapted into existing helmets 12. The bag 24 is attached in the configuration folded to the helmet 12, so that this bag is generally disposed on the top 16a of the head 16. Thus, during the Initial stages of inflation, the force exerted by the bag 24 on the head is directed towards the top of the head, so that the helmet is moved directly away from the head, without the bag applying lateral forces on the head. Referring to Figures 1 and 2, the removal device 10 also includes a tube 28 in fluid communication with the bag 24, to supply a fluid, preferably a gas, such as air, to an internal chamber 30, defined by the bag 24. The tube 28 is attached, in sealed form, to the bag 24 when inserted therein through an opening 34 (Figure 7), and the bag is sealed around the outside of the tube. The lower end 28a of the tube 28 should preferably be accessible by forming a tube of sufficient length so that the lower end extends outwardly from the hull 12. Prior to using the removal device 10, the tube may be coiled within of the hull 12, with the lower end 28a just inside the lower edge 12b of the hull. A hook-and-pin arrangement 35 can be used to retain the tube in a helical configuration until needed. To indicate the location of the lower end 28a, an index 36, such as an arrow, can be placed on the outside of the tube. hull 12. Attached to the lower end 28a of the tube 28, is a connector 38, for supplying a connection between the tube and a device 40 for inflating the bag 24. The inflation device 40 can be a can 44 of air under pressure , a pump or other similar device Preferably, the inflation device includes a valve 46 or similar element for the selective introduction of air under pressure, thus controlling the inflation of the bag 24. A gauge 39, or other pressure indicator, can be used to ensure that the canister has sufficient pressure to be operable, this calibrator can be inserted into the line (Figure 1) or into the canister or tank (Figure 5). also configured so that the connector 38 extends through the cover 14 of the helmet 12, with the use of a needle valve or the like, which is a commonly used arrangement for the connections between the inflation devices and the inflatable cushions 20 inside the helmet. Referring to Figure 3, the bag 24 is shown folded in the folded configuration. To retain the bag 24 in this folded configuration until it is inflated, sticky strips 48 extend around the sides of the bag. Preferably, the sticky strips 48 are adhesively applied around the side edges of the folded bag 24, so that during inflation, the adhesive breaks in the strips and the strips themselves do not interfere with inflation or damage to the bag. The bag 24 must also be folded and attached to the helmet 12 in such a way that, during inflation, the possibility of this bag or the tube 28 becoming squeezed is reduced. Referring to Figures 3, 7 and 8, a preferred method of folding the bag 24 is illustrated. Referring to Figure 7, the bag 24 is initially placed in a flattened configuration. In this flattened configuration, the pouch 24 forms a top sheet 50, a corresponding bottom sheet 54, angled bottom edges and top edges 58 and straight side edges 60. Referring to Figure 8, the side portions 64 of the pouch 24 are then folded in the central portion 66, between the upper sheet 52 and the lower sheet 54 to form bends 68 with the two side portions overlapping each other. Folding of the side portions 64 within the central portion 66 ensures that the bag 24 expands during the initial inflation of the bag 24, the side portions rub against the inner surface of the central portion 66 instead of against the inside of the helmet 12 (Figure 1). Referring again to Figure 3 in conjunction with Figure 1, the bag 24 is then placed in the folded configuration, bending this bag in the "Z" compressed configuration. The folding strips 48 are then applied to retain the bag 24 in the "Z" configuration and the adhesive tabs 26 are attached to the bag, so that this bag can be attached to the helmet. It is preferred that the bag 24 be attached to the helmet 12, so that the connection between the bag and the tube 28 are adjacent to the helmet. With the adjacent connection of the helmet 12 and as the bag 24 is inflated, the connection remains relatively stationary relative to the helmet, so that the tube 28 is not wrung. By folding the bag 24 in the "Z" compressed configuration, as the bag is inflated, this bag is less likely to tighten with itself. Referring to Figure 7 in conjunction with Figure 2, also forming the pouch 24 with the lower edges 56 and the upper edges 58 angled, during inflation of the pouch 24 is inflated in a generally spherical configuration, so that the The configuration of the bag generally corresponds to the internal configuration of the helmet 12. Furthermore, the bag 24 must be of such a size that during inflation in the expanded configuration, the bag substantially fills the internal chamber 37 of the helmet, thereby displacing the upper part of the bag. helmet 12 away from the top 16a of the head 16, so that the helmet can then be removed from the head, without applying significant tension forces to the neck. The displacement must be such that it elevates the helmet by a sufficient distance to free the ears and portions of the user's head that could otherwise restrict their removal. For example, it has been found that for a typical football helmet 12, the bag 24 can be configured with a lateral distance, between the side edges, of 21 cm. , a length of 27.94 cm. and with each of the upper edges and lower edges of 10.16 cm. It has been found that padding the bag upward in the shape of a ball (not shown) to form the folded configuration produces satisfactory results when inflating the bag 24. Referring to Figures 1 and 2, although the bag 24 is shown Attached to an existing cushion 20 on the top of the helmet 12, 1 bag can be attached directly to the cover 12 if the helmet lacks a cushion on the top. It is also considered that the bag 24 can be constructed and arranged so that the bag functions as a cushion 20 in the folded configuration or in a slightly expanded configuration. It is also considered that the bag 24 and the helmet 12 are configured so that a portion of the bag is adjacent to the cover 24. The connector 38 can then extend through the cover 14 and connect directly to the bag for provide direct fluid communication with the camera 30, thus removing the tube. During use, the bag 24 is attached to the helmet 12 and the tube 28 is wound into a coil inside the helmet. After an accident or other mishap, the lower end 28a of the tube 28 is positioned using the indicator 36 and the lower end is pulled outwardly from the helmet 12 to straighten the tube and make the lower end accessible. The can 44 is connected to the connector 38 and through the use of the valve 46, air is selectively supplied under pressure into the inner chamber 30 of the bag 24. As the air enters the bag 24, this bag is unfolded from the configuration folded, breaking the connection between the sticky strips 48 and the bag 24. During inflation, as the bag 24 unfolds and the volume of the chamber 30 expands, the bag exerts opposite forces on the helmet 12 and the upper part 16a of the head 16. The forces move the helmet 12 away from the head 16. As the bag 24 begins to inflate, the movement of the helmet 12 relative to the head 16 can be guided by the user. The bag 24 is inflated until the head 16 is, at least partially and preferably almost completely, displaced from the helmet. The helmet 12 can then be completely removed from the head 16, grasping the helmet and sliding it from the head. Referring to Figures 4, 5 and 6, an alternative embodiment of the helmet removal device of the present invention is generally indicated at 100. The device 100 is particularly suitable for removing the hulls 12 from the head 16, after occurring an incident, which prevents pulling the helmet out, and the helmet has not previously installed the helmet removal device 10, described above. The device 100 includes the bag 24, the tube 28 and the connector 38 described above. However, the bag 24 is folded and disposed within a protective wrapper 102, which forms a part of an insertion tool 104. This insertion tool 104 also includes an elongate element or batten 106, which is preferably flexible and composed of metal or plastic. The batten 106 includes a rear straight portion 106a and a front curved portion 106b. As illustrated in Figure 6, the front portion 106a is curved to fit around the top of the head 16, while the rear portion 106b extends along the side of the head. Referring again to Figures 4 and 5 in conjunction with Figure 8, the bag 24 is bent to form the folds 68. Then the bag 24 is bent longitudinally to reduce the width of the folded bag, so that it is The bag has a similar width as the batten 106. The bag 24 can then be folded in half, as shown in Figure 5 and placed on an external surface 107 of the batten 106 in close proximity to the front end 108. The pouch 24 is disposed inside the casing 102, so that the connection between the bag and the tube 18 is disposed adjacent the lath 106 and away from the front end 108 of the lath. Thus, when the bag 24 begins to inflate, this bag unfolds away from the tube 28 and the connection between the tube and the bag generally remains in the same location, which reduces the possibility of the tube being squeezed. Both the bag 24 and the wrapper 102 can be attached to the batten 106 by strips of adhesive 109.

The casing 102 holds the bag 24 in the folded configuration, as the batten 106 is being inserted between the helmet 12 and the head 16. The casing 102 is preferably formed by a sheet of plastic or the like, which is attached to the batten 106. This casing 102 is then wound around the folded bag 24, by placing a central portion 102a of the casing adjacent the batten 106 opposite the bag. The edge flaps 102b of the wrapper 102 are then wound around the bag 24. This wrapper 102 is retained around the bag with sticky strips 110 similar to the sticky strips 48 (Figure 3). Alternatively, the bag 24 can be retained in a bent position by a sleeve or bag (not shown) that can break and extend around the bag 24. During the insertion of the tool 104, between the helmet 12 and the head 16, the tool may have to penetrate through the user's hair. To assist this penetration, the front end 108 is formed at a point 114 to divide the hair. To reduce the likelihood that the tool becomes entangled with the cushions 20 of the hull 12, the radius of curvature HR "of the front portion 102b is preferably smaller than the general radius of curvature r (Figure 2) of the head 16. The radius of curvature R thus maintains the front end 108 adjacent the head 16, as the front end travels around the head during insertion of the tool, between the helmet 12 and the head.A typical radius R is approximately 10.16 cm However, if during insertion the tool 104 becomes entangled, this tool may have to be pulled outward and inserted along a different trajectory to prevent the trailing edge 114 of the wrapper 102 or the bent bag 24 are trapped in the helmet 12 during removal, the tool 104 may include a protective band 116. A front end 116a of the protective strip 116 is attached to the upper surface of the wrapper 102 cu This is wrapped around the bag 24. The rearwardly directed end 116b of the fascia 116 is retained in a removable form, with a retaining element 118 extending through an opening 120 formed in the fascia. The retaining element 118 can be the illustrated bolt, a hook pierced from the cleat or the like. Strip 115 must be retained tightly. Measurement indexes 124 can be placed on the batten 106, so that the user can determine the appropriate length of insertion of the batten between the helmet 12 and the head 16, so that the pouch 24 is generally placed on the top of the batten. head. To facilitate handling, the tool 104 may also include a handle 126, attached to the lower end of the lath.

Referring to Figures 4 and 6, during use, the device 100 is positioned adjacent the helmet 16, and the front portion 106a of the batten 106 extends around the upper curved portion of the helmet 12 and the pouch 24 adjacent to the part 16a of the head 16. A point on the hull 16, such as its lower edge 16a and the measuring index 124, can be compared to determine the appropriate insertion length of the batten 106. The front end 108 of the tool 104 of The insert is then inserted between the helmet 12 and the head 16. The insertion point should be at a point where the cushions 20 do not unduly interfere with the passage of the tool 104 between the helmet and the head. The front end 108 of the insertion tool 104 is then pushed towards the top of the head 16 until the previously marked index 124 is adjacent to the lower edge 12a of the helmet 12, which means that the pocket 24 is generally disposed adjacent to the top of the head 16. The lower end 116b of the belt protector 116 is released from the retaining element 118. A connection is made between the tube 28 and the can 44 (Figure 1) connecting the can to the connector 38. The remaining steps are similar to those described above for the use of the preferred embodiment during inflation of the bag 24.

Referring to Figure 5, the alternative embodiment of the hull removal device 100 can be provided in the form of an assembly 200, particularly suitable for users who may need to remove a plurality of helmets 12. The assembly 200 includes the pouch 24, the tube 28 and the connector 38 with this bag, tube and connector assembled. The assembly 200 also includes an insertion tool 104 with the casing 102 and the fascia 116 connected or disconnected to the batten 106. To secure the portable form, the fastener assembly 200 must also include the canister 44 for inflating the pouch 24. One has been described. specific embodiment of the novel helmet removal device, according to the present invention, in order to illustrate the manner in which the invention can be used and carried out. However, it should be understood that the performance of other variants and modifications of the invention, in its various aspects, will be apparent to those skilled in the art and that the invention is not limited by the specific embodiments described. Therefore, it is considered that the invention covers any and all modifications, variants or equivalents thereof that are within the true spirit and scope of the basic fundamental principles described and claimed herein.

Claims (35)

1. NOVELTY DB THE INVENTION Having described the present invention, it is considered as a novelty and, therefore, property is claimed as contained in the following: RBIVIMDICACIONEB 1. A device for removing a helmet from around the head of a user, this device comprises: a bag, arranged between the helmet and the head of the user, this bag is constructed and arranged so that when inflating, move, at least partially, the head from inside the helmet.
2. 2. The device according to claim 1, wherein the bag is attached to the helmet.
3. 3. The device according to claim 2, wherein the bag is attached removably to the helmet.
4. The device according to claim 1, wherein the bag defines a chamber, this device includes an element in fluid communication with the chamber, for inflating said bag.
5. The device according to claim 4, wherein the inflation device includes a tube element in fluid communication with the chamber.
6. The device according to claim 4, wherein the inflation device includes an element in fluid communication with the chamber, to supply fluid under pressure to the chamber.
7. The device, according to claim 5, wherein the inflation element includes a device, removably connected to the tube element, to supply fluid under pressure to the chamber, to inflate the bag.
8. The device according to claim 1, wherein the bag is constructed so that its surface area remains relatively constant during inflation.
9. The device according to claim 5, wherein the surface area of the bag is stretched during inflation.
10. 10. The device according to claim 5, wherein the bag is folded into a folded configuration.
11. The device according to claim 10, further including an element for releasably retaining the bag in the folded configuration before inflation.
12. The device according to claim 5, further including an element for inserting the bag between the head and the helmet and placing this bag in a desired location, between the helmet and the head.
13. The device according to claim 12, wherein the insert element includes an elongate element and an element for releasably retaining the bag at the front end portion of the elongated element.
14. 14. A device for removing a helmet from around the head of a user, this device comprises: a bag, constructed and arranged in such a way that, when this bag is disposed between the helmet and the user's head, when the it displaces, at least partially, the head from inside the helmet; and an element for inserting the bag between the head and the helmet, and placing this bag in a desired location, between the helmet and the head.
15. 15. The device according to claim 14, wherein the insert includes an elongate member and an element for releasably retaining the bag at an end front portion of the elongate member.
16. The device according to claim 15, wherein the bag is arranged in a folded configuration and the retaining member holds the bag in the folded configuration during the insertion of the bag between the helmet and the head.
17. 17. The device according to claim 14, wherein the insert includes an element for preventing entanglement of the front end of the insert within the user's hair.
18. 18. The device according to claim 14, wherein the insert includes: a lath element, having a straight back portion and a curved front portion; and a retaining element, which contacts at least one of the bag and the lath element, to retain, in a releasable manner, the bag generally adjacent to the curved portion of the lath element.
19. 19. The device according to claim 14, wherein the bag defines a camera, the device includes an element in fluid communication with the chamber, for inflating the bag.
20. The device according to claim 19, wherein the inflation element includes a tube element in fluid communication with the chamber.
21. The device according to claim 19, wherein the inflation element includes an element in fluid communication with the chamber, for supplying a fluid under pressure to this chamber.
22. 22. The device according to claim 20, wherein the inflation element includes an element connected, removably, to the tube element, to supply fluid under pressure to the chamber, to inflate the bag.
23. 23. A method for removing a helmet from the head of a user, this method comprises the steps of: placing a bag inside the helmet, adjacent to it in a site that corresponds in general to the top of the user's head, this bag is constructed and arranged so that, when inflating the bag, move, at least partially, the head from inside the helmet; and inflating the bag until the head travels, at least partially, from inside the helmet.
24. The method according to claim 23, wherein the placement step includes attaching the bag to the helmet, before this helmet is placed around the head.
25. 25. The method according to claim 23, wherein the positioning step includes inserting the bag between the helmet and the head, after the helmet is placed around the head.
26. 26. The method according to claim 23, further including folding the bag in a folded configuration.
27. 27. A combination of a helmet and a device for removing this helmet, which comprises: a helmet, configured to fit generally around a user's head; and a bag, attached to the helmet in a location whereby the bag is arranged between the helmet and the head, when the helmet is worn around the head, this bag is constructed and arranged so that when inflating it, move, at least partially, the head from inside the helmet.
28. 28. The device according to claim 27, wherein the bag is attached, removably, to the helmet.
29. 29. The device according to claim 27, wherein the bag defines a chamber, and this device includes an element in fluid communication with the chamber, to inflate the bag.
30. 30. The device according to claim 29, wherein the inflation element includes a tube element in fluid communication with the chamber.
31. 31. The device according to claim 29, wherein the inflation element includes an element in fluid communication with the chamber, to supply fluid under pressure to the chamber.
32. 32. The device according to claim 30, wherein the inflation element includes an element, removably connected to the tube element, to supply fluid under pressure to the chamber, to inflate the bag.
33. 33. The device according to claim 27, wherein before the inflation, the bag is folded into a folded configuration.
34. 34. The device according to claim 33, further including an element for releasably retaining the bag in the folded configuration before inflation.
35. 35. A set for removing a helmet from around the head of a user, this set comprising: an element for displacing, at least partially, the head from inside the helmet, this displacement element includes a bag, which is it constructs and arranges so that when the bag is arranged between the helmet and the user's head, the inflation of the bag displaces, at least partially, the head from inside the helmet, this bag defines an internal chamber, the displacement element includes a tube element, in fluid communication with the camera; an element to insert the bag between the head and the helmet and place this bag in a desired location, between the helmet and the head; an element for releasably retaining the bag at a front end of the insert, when the bag is disposed adjacent the front end; and an element, adapted to be selectively connected to the tube element, to supply compressed gas to the chamber. ttlS? KHN Cl ZA IIMQFTIÓM A device for the removal of helmets, which removes a helmet from the head of a user, without applying tension forces on the neck of this user. The removal device includes a bag (24), disposed between the helmet (12) and the top of the head (16), with this bag constructed and disposed u * when inflated from a folded configuration to an expanded configuration, the bag (24) displaces, at least partially, the head from inside the helmet. The removal device also includes an insertion tool (104), which • Insert the bag between the helmet and the head, while using this helmet. 26