METHOD FOR APPLYING AN ORTHOSE AND ORTHOSE

Abstract

The invention relates to a method for putting on an orthosis (2) comprising: a first dimensionally stable component (4) which has a first magnetic element (36) and a first form-fitting element (8); and a second dimensionally stable component (6) which has a second magnetic element (14) and a second form-fitting element (12), the method comprising the following steps: - putting the first component (4) against a body part of the wearer so that it extends along the body part, - positioning the second component (6) on the first component (4), wherein, in the applied state of the orthosis (2), a magnetic attractive force acts in a first direction between the first magnetic element and the second magnetic element, and the first form-fitting element forms a form-fitting connection with the second form-fitting element, said form-fitting connection preventing the two components from moving relative to one another.

Description

[0001] Ottobock SE & Co. KGaA Max-Näder-Straße 15 37115 Duderstadt Germany

[0002] Procedure for applying an orthosis and orthosis

[0003] The invention relates to a method for applying an orthosis which has a first dimensionally stable component and a second dimensionally stable component, as well as to a corresponding orthosis.

[0004] Orthoses have long been known in the art and are used to protect or support a body part of the wearer, such as a joint or limb, or to limit the available range of motion. This is advantageous, for example, after medical treatment such as surgery, in order to protect a joint of the wearer and protect it from excessive strain. The two dimensionally stable components of the orthosis are then usually arranged on the two body parts of the wearer that are connected by the joint to be protected. If this is an elbow, for example, the first dimensionally stable component is positioned on the upper arm and the second dimensionally stable component on the forearm.

[0005] In another application, for example, a wearer's joint needs to be fixed in a specific position, such as at a specific joint angle. This usually depends on the individual situation of the joint and the wearer and is therefore difficult or impossible to predict for the orthosis manufacturer. It has therefore proven advantageous in the state of the art for an orthosis for this purpose to allow the two dimensionally stable components to be arranged and secured in different positions relative to each other.

[0006] People who suffer a stroke, damage to the brachial plexus, or a similar injury to nerve structures or nerve conduction often have limited or even total loss of motor function in their upper extremities. These limitations are usually due to a lack of or insufficient innervation of the required muscles. Support for the extremity can be provided by orthoses. Applying such a multi-part orthosis, which consists of several dimensionally stable components, is therefore often difficult. This is particularly true when the various dimensionally stable components of the orthosis are to be positioned on different parts of the body, preferably connected by a joint of the wearer.But even if the orthosis is intended to enable or fix a specific position and posture of a body part or joint, putting the orthosis on can be problematic for the wearer. This is especially true if the position or posture is not the natural position or posture of the body part or joint.

[0007] The invention is therefore based on the object of proposing a method for applying an orthosis which can be carried out simply and safely and yet ensures sufficient safety and stability of the orthosis.

[0008] The invention solves the stated problem by a method for applying an orthosis with a first dimensionally stable component, which has a first magnetic element and a first form-locking element, and a second dimensionally stable component, which has a second magnetic element and a second form-locking element, wherein the method comprises the following steps:

[0009] - Applying the first component to a body part of the wearer so that it extends along the body part,

[0010] - Positioning the second component on the first component, wherein, in the applied state of the orthosis, a magnetic attraction force acts between the first magnetic element and the second magnetic element, and the first form-fitting element forms a form-fitting connection with the second form-fitting element, by means of which movement of the two components relative to one another is prevented.

[0011] First, the first component is applied to the wearer's body part in such a way that it extends along the body part. The first component can be a splint or a shell, for example, and is applied and secured to the wearer's body part, for example using fastening straps. In this state, the second component is not yet connected to the first component, so that, for example, the position of the two components relative to each other does not yet need to be considered. This makes it particularly easy for the wearer of the orthosis to position the component on their body part.

[0012] Only then is the second component positioned on the first component. In particular, the position and / or orientation of the two components relative to each other is preferably determined and determined, which is necessary and appropriate for the orthosis's functionality. The wearer of the orthosis only needs to hold and move the second component, since the first component is already attached to their body part. This also reduces the motor effort required for the procedure.

[0013] When the orthosis is worn, a magnetic force of attraction acts between the first magnetic element and the second magnetic element, counteracting any initial movement of the two components relative to each other. In the simplest case, the first magnetic element contains a magnet and the second magnetic element a magnet. When the orthosis is worn, these magnets are positioned relative to each other so that the north pole of one magnet points to the south pole of the other magnet.

[0014] In addition to this magnetic attraction force, the first form-fitting element and the second form-fitting element form a form-fitting connection when the orthosis is worn, which prevents any movement of the two components relative to one another. This does not necessarily mean that all movement of the two components relative to one another is prevented. While this is a preferred embodiment, it is not necessary. For many applications, it is sufficient if individual movements, for example rotations around individual axes of rotation or displacements in individual directions of displacement, are prevented by the form-fitting connection. This also does not necessarily mean that only a single movement, for example rotation around a single axis of rotation or displacement in a single direction of displacement, is prevented by the form-fitting connection.In preferred embodiments, for example, all displacements of the two components relative to one another are prevented except for displacements in a single displacement direction. This means that displacements, i.e. translational movements of the two components relative to one another are only possible in this single displacement direction, but are prevented in all other directions by the positive connection. In an advantageous embodiment, for example, all rotations of the two components relative to one another are prevented except for rotation about a single rotational axis. This means that rotation of the two components relative to one another is only possible about a single rotational axis. The remaining rotations about all other rotational axes are prevented by the positive connection.

[0015] The magnetic attraction between the first magnetic element and the second magnetic element impedes all movements of the two components relative to each other that require overcoming this magnetic attraction. Preferably, at least some of these movements, preferably all of these movements, are prevented by the positive connection of the two positive-locking elements.

[0016] The first magnetic element and / or the second magnetic element are preferably permanent magnets. The first magnetic element and / or the second magnetic element can also be designed as an electromagnet. However, to generate a magnetic attraction force, it is not necessary for both the first magnetic element and the second magnetic element to be inherently magnetic, i.e., to be designed as a permanent magnet or an electromagnet. Rather, it is sufficient if only one of the magnetic elements has a permanent magnet or an electromagnet, and the other magnetic element contains a magnetizable element, for example, made of a ferromagnetic material.

[0017] According to the invention, each of the two dimensionally stable components has a form-locking element and a magnetic element. The form-locking element and / or the magnetic element can be formed integrally with the remainder of the respective dimensionally stable component or a portion thereof, for example a base body, a shell, or a rail. Alternatively, the form-locking element and / or the magnetic element can also be formed as a separate element that is connected to the remainder of the respective dimensionally stable element or a portion thereof, for example a base body, a shell, or a rail. The form-locking connection between the first form-locking element and the second form-locking element can be brought about, for example, by a plug, which forms one of the two form-locking elements, being inserted into a correspondingly formed socket, which forms the other form-locking element.Such compounds are sufficiently known from the prior art, so that a detailed description is omitted here.

[0018] In one embodiment, for example, both the first dimensionally stable component and the second dimensionally stable component have a corresponding bushing. These are arranged, for example, on a part thereof, such as a base body, a shell, or a rail. In order to be able to connect the two dimensionally stable components to one another in a form-fitting manner, an adapter is preferably used, which is first connected to one of the two bushings. It thereby becomes part of the respective dimensionally stable component. It then forms the respective form-fitting element of the dimensionally stable component, which can interact with the form-fitting element of the respective other dimensionally stable component and create the form-fitting connection.

[0019] The first form-locking element and / or the second form-locking element can be designed as a separate element that is connectable or connected to the rest of the respective dimensionally stable component or a portion thereof, for example a base body, a shell, or a rail. The first magnetic element and / or the second magnetic element can be designed as a separate element that is connectable or connected to the rest of the respective dimensionally stable component or a portion thereof, for example a base body, a shell, or a rail. The first magnetic element and the first form-locking element can be designed together as a separate component. The second magnetic element and the second form-locking element can be designed together as a separate component. These components are referred to as combined elements.The respective combined element can be connectable or connected to the remainder of the respective dimensionally stable component or a portion thereof, for example a base body, a shell or a splint. Preferably, the second component is initially brought closer to the first component when positioned on the first component, so that the magnetic force of attraction is created. The magnetic elements are preferably arranged and designed such that the magnetic force of attraction draws the second component and the first component into the desired position relative to one another. In this way, it can guide the movement of the two components relative to one another during positioning and assist the wearer of the orthosis, making it easier for them to achieve the desired and necessary position and / or orientation of the second component relative to the first component. The magnetic force of attraction therefore draws the second component at least also into the desired position.The term “at least also” in this context means that there may well be other forces that position and orient the two components relative to each other, so that not only the magnetic force of attraction moves the two components relative to each other, but the magnetic force of attraction is “at least also” involved.

[0020] Preferably, the positive connection is only created after the second component has been positioned on the first component, by engaging the first positive-locking element and the second positive-locking element. This is particularly advantageous if the movement by which the two components were positioned relative to each other is to be prevented in the opposite direction by the positive connection.

[0021] Preferably, the first form-locking element and / or the second form-locking element are moved relative to one another in order to engage the two form-locking elements. Such movement of at least one of the form-locking elements can be carried out, for example, by the wearer of the orthosis themselves, for example, by engaging locking elements or hook-and-loop fastener elements, clip elements, or other form-locking elements.

[0022] In an advantageous embodiment, the first form-locking element and / or the second form-locking element is moved from a first position to a second position by a force exerted by the first magnetic element and / or the second magnetic element, thereby establishing the form-locking connection. This can be achieved, for example, in that the first form-locking element and / or the second form-locking element contain at least one magnet or a magnetizable element which is attracted or repelled by the magnetic field of the first magnetic element and / or the second magnetic element. This results in a movement which, for example, leads to the formation of the form-locking connection.

[0023] In a specific embodiment, one of the form-locking elements is at least one metal pin which is arranged so as to be displaceable along its longitudinal direction in a corresponding bore in one of the two components. The corresponding other form-locking element is designed in the form of similar bores in the other component. Once the two components are in the desired position in which the form-locking connection is to be created, after the second component has been positioned on the first component, the at least one metal pin is displaced along its longitudinal direction within the bore until it is partially located in the correspondingly formed bore in the other component. It now extends partially into the bores of the two components, thereby preventing all movements except for the longest movement along the longitudinal direction and the direction of extension of the bores.The movement itself can be caused by separate magnetic elements or by the first magnetic element and / or the second magnetic element.

[0024] In a preferred embodiment, the first form-locking element and / or the second form-locking element can be actuated by an actuating element. It is actuated to establish the form-locking connection. The corresponding form-locking element can, for example, be preloaded towards the second position in which the form-locking connection is established, for example by a spring or an elastic element exerting a corresponding force on the form-locking element. As long as the actuating element is not actuated, however, the corresponding force cannot ensure movement of the form-locking element, for example because a holding element holds the form-locking element in the first position in which a form-locking connection has not yet been established.By actuating the actuating element, this holding element is released and the force applied by the spring or the elastic element moves the respective form-locking element from the first position to the second position, thus bringing the two form-locking elements into engagement with each other.

[0025] Advantageously, the magnetic attraction force and the positive connection are already created when the second component is positioned on the first component. This occurs, for example, when a certain movement of the components relative to each other must be carried out when positioning the two components next to each other, for example in order to move the two components towards each other along a certain path. For this purpose, for example, one of the two components has a projection that is guided along a corresponding slot, groove or other recess or opening in the other component. This creates a positive connection already during positioning, which prevents many, preferably all, movements except for the movement necessary to position the components relative to each other.Along this movement and the path traveled thereby, the distance between the first magnetic element and the second magnetic element preferably decreases, so that a distance between unlike poles of the two magnetic elements decreases and thereby the magnetic attraction force is increased.

[0026] Preferably, the second component is also arranged on a second body part of the wearer when positioned on the first component. In this case, after positioning, the first component is located on a first body part and the second component is located on a second body part. Preferably, the two body parts are connected to each other by a joint, for example an ankle joint, a knee, a wrist, or an elbow, which is bridged by the orthosis.

[0027] In a preferred embodiment, the first component can be fastened to the second component in different positions and / or orientations. The magnetic elements of the two components preferably have a plurality of individual magnets or magnetizable elements that are arranged and aligned with one another in such a way that the attractive force acting between them favors the positions and / or orientations of the two components relative to one another in which the components can be fastened to one another. For example, the magnetic elements of the two components can each have a plurality of individual magnets that are arranged in different orientations on the respective component. In a preferred embodiment, the individual magnets are arranged next to one another, preferably equidistant, on the respective component and are offset from one another by 180°.This means that the magnetic poles of two adjacent individual magnets pointing in the same direction have unlike poles. If both magnetic elements of the two components are designed in this way, an attractive force is created between the individual magnets positioned on the two components when poles of unlike poles are arranged opposite each other, and a repulsive force is created when poles of the same name are positioned opposite each other. The same is also possible with a distribution of individual magnets around the circumference of an opening and the circumference of a projection. The opening then forms part of one of the components and the projection forms part of the other component. If the projection is now inserted into the opening, the individual magnets are arranged opposite each other.If this is also an alternating orientation, depending on the angular position between the projection and the opening, an attractive interaction or a repulsive interaction occurs between opposing individual magnets. In this way, too, positions and / or orientations can be favored by the magnetic interactions.

[0028] The invention also achieves the stated object by means of an orthosis having a first component which has a first magnetic element and a first form-locking element, and a second component which has a second magnetic element and a second form-locking element, wherein the orthosis is designed to be applied using a method described here.

[0029] Preferably, the first magnetic element and / or the second magnetic element comprises a plurality of individual magnets arranged in different north-south orientations on the respective component. This allows the advantages described above to be achieved.

[0030] Particularly preferably, the first and / or second magnetic element has at least one magnetizable element that, when applied, interacts with a magnetic element of the respective other component. Advantageously, at least one of the magnetic elements or at least one individual magnet of one of the magnetic elements is attached to one of the form-locking elements. Particularly preferably, the first form-locking element and / or the second form-locking element can be actuated by an actuating element. Particularly preferably, the actuating element has at least one magnet.

[0031] With the help of the attached drawings, some embodiments of the present invention are explained in more detail below.

[0032] They show:

[0033] Figures 1 and 2 - schematic representations of an orthosis,

[0034] Figures 3 to 11 - schematic representations of different

[0035] Form-locking and magnetic elements,

[0036] Figures 12 to 15 - different stages in joining two elements.

[0037] Figure 1 schematically shows an orthosis 2 for a forearm and a hand located thereon. The orthosis 2 has a first dimensionally stable component 4 for application to the forearm and a second dimensionally stable component 6 for application to the hand. The first dimensionally stable component 4 has a first form-locking element 8, which in the illustrated embodiment is formed integrally with the rest of the first form-locking component 4. In the illustrated embodiment, the first form-locking element 8 has recesses 10 in which first magnetic elements are located, which are not visible in the illustration in Figure 1. The second dimensionally stable component 6 has a second form-locking element 12, on which second magnetic elements 14 are located, one of which is illustrated.In Figure 1, the form-locking elements 8, 12 and the magnetic elements contained therein or arranged thereon allow the two dimensionally stable components 4, 6 to be arranged in different orientations relative to one another. Figure 1 shows a first of these orientations.

[0038] Figure 2 shows the same orthosis 2 as Figure 1. However, it can be seen that the first dimensionally stable component 4 and the second dimensionally stable component 6 are arranged in a different orientation relative to one another. This is also evident in the two form-locking elements 8, 12 and in particular the second magnetic element 14, of which different ones can be seen in Figure 2 than was the case in the situation in Figure 1. The first dimensionally stable component 4 and the second dimensionally stable component 6 are shown pivoted about a pivot axis relative to the illustration in Figure 1 and are fastened to one another, which protrudes from the plane of the drawing.

[0039] Figures 3 and 4 show a first form-locking element 8 and a second form-locking element 12, which are designed correspondingly. The first form-locking element 8 shown in Figure 3 has a projection 16 that has a circular cross-section and protrudes from an end face of the first form-locking element 8. Correspondingly, the second form-locking element 12 in Figure 4 shows an annular groove 18 that is designed such that the projection 16 of the first form-locking element 8 can be received therein. The groove 18 and the projection located therein prevent the two form-locking elements 8, 12 from tilting relative to one another.

[0040] Both the first form-locking element 8 and the second form-locking element 12 have a spur gear 20 having a plurality of teeth distributed around the circumference. The two spur gears 20 are designed to correspond to one another. If the two form-locking elements 8, 12 are connected to one another, as shown in Figures 3 and 4, the projection 16 of the first form-locking element 8 is first inserted into the groove 18 provided for this purpose in the second form-locking element 12. This centers the two form-locking elements relative to one another. In this state, only twisting or rotation of the two form-locking elements 8, 12 relative to one another is possible, with the respective axis of rotation being the longitudinal axis of the projection 16. If the two form-locking elements 8, 12 are moved further towards one another, the two spur gears 20 come into contact with one another and engage.From this moment on, rotation about the aforementioned axis of rotation is no longer possible. Nevertheless, this configuration ensures that the two form-locking elements 8, 12 can be fastened in different orientations relative to one another. In a preferred configuration, magnetic elements are already arranged on the two form-locking elements 8, 12, although these are not shown in Figures 3 and 4. For example, individual magnets can be arranged in the recesses between two adjacent teeth of the spur gear teeth 20. Different arrangements are conceivable. The individual magnets can be arranged in the same direction in the first form-locking element 8 and on the second form-locking element 12. This means that the individual magnets on the first form-locking element 8 are all arranged such that their north pole or their south pole protrudes from the end face.Similarly, in this case, the individual magnets are preferably arranged on the second form-locking element 12 such that their south pole or north pole protrudes from the end face. In this case, an attractive magnetic interaction is generated whenever the two form-locking elements 8, 12 are brought closer together.

[0041] Alternatively, the individual magnets in the two form-locking elements 8, 12 can also be arranged alternately, so that an individual magnet whose north pole protrudes from the respective end face is adjacent to two individual magnets whose south pole protrudes from the end face. This results in an attractive interaction in only a few orientations of the two form-locking elements relative to each other.

[0042] Figures 5 and 6 show similar form-locking elements 8, 12 to Figures 3 and 4. Here, too, the first form-locking element 8 has the projection 16, and the second form-locking element 12 has the corresponding groove 18. The spur gear teeth 20 are also present on both form-locking elements 8, 12. The first form-locking element 8 has protruding teeth, while the second form-locking element 12 has corresponding recesses. Recesses 10, in which individual magnets can be arranged, are arranged between the respective teeth and recesses.

[0043] Figures 7, 8 and 9 schematically show a further embodiment of the two form-locking elements 8, 12. The first form-locking element 8 shown in Figure 7 is annular and has the recesses 10 on its inner side 22, in which the magnetic elements or individual magnets (not shown) can be arranged. The inner diameter of the first form-locking element 8 corresponds to the outer diameter of the second form-locking element 12 shown in Figure 8. This has the recesses 10 for the individual magnets or magnetic elements on its outer side 24. If the second form-locking element 12, as shown in Figure 8, is now inserted into the first form-locking element 8, as shown in Figure 7, the magnetic elements or individual magnets located in the recesses 10 of the two form-locking elements 8, 12 are brought closer to one another and magnetic interaction occurs. This is shown schematically in Figure 9.The second form-locking element 12 is arranged within the first form-locking element 8. Schematically shown are individual magnets 26, which are arranged in the recesses 10 of the two form-locking elements 8, 12 and are aligned only such that they interact magnetically with each other.

[0044] Figure 10 shows another embodiment of the form-locking elements. The second form-locking element 12 is designed as a cuboid, on whose underside 28, in the illustrated embodiment, three individual magnets 26 are arranged. The first form-locking element 8 is designed such that the second form-locking element 12 can be inserted along the arrow 30 between two limits 32. In this position, the limits 32 prevent movement of the two form-locking elements 8, 12 transversely to the direction of the arrow 30, resulting in a partial form fit. Individual magnets 26 are also arranged on an upper side 34 of the first form-locking element 8 between the two limits 32.

[0045] In Figure 11, the first form-locking element 8 is cylindrical and has individual magnets 26 on one end face, which are arranged with the same magnets in the illustrated embodiment. This means that the south pole, indicated by a "+," of all individual magnets 26 shown, points out of the end face. The second form-locking element 12 has an annular boundary 32 on its end face. The inner diameter of this ring corresponds to the outer diameter of the first form-locking element 8, so that the latter can be rotated by 180° and inserted into the boundary 32. The second form-locking element 12 also has individual magnets 26 on the end face located therein, which are arranged with the same magnets. Figures 12 to 15 show different phases in the process of connecting the first dimensionally stable component 4 to the second dimensionally stable component 6.The first dimensionally stable component 4 has a first magnetic element 36 in the form of a magnetic ring. It also has the first form-locking element 8 in the form of a circumferential slot. The second dimensionally stable component 6 has the second magnetic element 14, which is not visible in Figure 12. It is also designed in the form of a magnetic ring and corresponds to the first magnetic element 36 of the first dimensionally stable component 4. The second form-locking element 12 is designed in the form of two projections, only one of which is visible in Figure 12. To connect the two dimensionally stable components 4, 6, the two components 4, 6 are brought closer together so that an attractive force is generated between the two magnetic elements 36, 14.

[0046] Figure 13 shows the situation from a different perspective. In this view, the two projections of the second form-locking element 12 and the second magnetic element 14 are clearly visible.

[0047] In the position shown in Figure 14, the first elements are arranged so close to each other that the projections of the second form-locking element 12 engage the slot of the first form-locking element. They can then be displaced relative to each other like a bayonet lock by rotating the two dimensionally stable components 4, 6 relative to each other. This situation is illustrated in Figure 15.

[0048] List of reference symbols

[0049] 2 Orthosis

[0050] 4 first dimensionally stable component

[0051] 6 second dimensionally stable component 8 first form-locking element

[0052] 10 Recess

[0053] 12 second form-locking element

[0054] 14 second magnetic element

[0055] 16 projection 18 groove

[0056] 20 spur gearing

[0057] 22 Inside

[0058] 24 Outside

[0059] 26 Individual magnets 28 Bottom

[0060] 30 Arrow

[0061] 32 Limitation

[0062] 34 Top

[0063] 36 first magnetic element

Claims

Patent claims 1. Method for applying an orthosis (2) comprising a first dimensionally stable component (4) comprising a first magnetic element (36) and a first positive locking element (8), and a second dimensionally stable component (6) comprising a second magnetic element (14) and a second positive locking element (12), wherein the method comprises the following steps: - Attaching the first component (4) to a body part of the carrier so that it extends along the body part, - Positioning the second component (6) on the first component (4), wherein, in the applied state of the orthosis (2), a magnetic attraction force acts in a first direction between the first magnetic element and the second magnetic element, and the first form-locking element forms a positive connection with the second form-locking element, thereby preventing movement of the two components relative to each other.

2. Method according to claim 1, characterized in that the second When positioning component (6) on the first component (4), it is initially brought close to the first component (4), so that the attractive force is created, so that the attractive force pulls the second component (6) at least also into the desired position.

3. Method according to claim 1 or 2, characterized in that after positioning the second component (6) on the first component (4) the positive locking connection is brought into engagement with each other by bringing the first positive locking element and the second positive locking element into engagement with each other.

4. Method according to claim 3, characterized in that the first positive locking element and / or the second positive locking element are moved relative to each other.

5. Method according to claim 4, characterized in that the first positive locking element and / or the second positive locking element is brought from a first position to a second position by a force exerted by the first magnetic element and / or the second magnetic element, thereby establishing the positive locking connection.

6. Method according to one of the preceding claims, characterized in that the first positive locking element and / or the second positive locking element can be actuated by an actuating element and is actuated in order to establish the positive locking connection.

7. Method according to one of the preceding claims, characterized in that the magnetic attraction force and the positive locking connection are created when the second component (6) is positioned on the first component (4).

8. Method according to one of the preceding claims, characterized in that the second component (6) is arranged on a second body part of the carrier when positioned on the first component (4).

9. Method according to one of the preceding claims, characterized in that the first component (4) can be attached to the second component (6) in different positions and / or orientations.

10. Orthosis (2) comprising a first component (4) comprising a first magnetic element (36) and a first positive locking element (8), and a second component (6) comprising a second magnetic element (14) and a second positive locking element (12) and which is configured to be applied using a method according to one of the preceding claims.

11. Orthosis (2) according to claim 10, characterized in that the first magnetic element and / or the second magnetic element has several individual magnets (26) which are arranged in different north-south orientations on the respective component.

18. Orthosis (2) according to claim 11, characterized in that the first and / or the second magnetic element has at least one magnetizable element which, in the applied state, interacts with a magnetic element of the respective other component. Orthosis (2) according to claim 10, 11 or 12, characterized in that at least one magnetic element or at least one individual magnet of a magnetic element is attached to a positive locking element. Orthosis (2) according to any one of claims 10 to 13, characterized in that the first positive locking element and / or the second positive locking element can be actuated by an actuating element, wherein the actuating element preferably has a magnet.