EP3138550A1 - Walking aid - Google Patents
Walking aid Download PDFInfo
- Publication number
- EP3138550A1 EP3138550A1 EP15183970.1A EP15183970A EP3138550A1 EP 3138550 A1 EP3138550 A1 EP 3138550A1 EP 15183970 A EP15183970 A EP 15183970A EP 3138550 A1 EP3138550 A1 EP 3138550A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shaft
- foot part
- walker
- adjusting means
- spring
- 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.)
- Withdrawn
Links
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/02—Crutches
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/02—Crutches
- A61H3/0288—Ferrules or tips therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/50—Control means thereof
- A61H2201/5007—Control means thereof computer controlled
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/50—Control means thereof
- A61H2201/5097—Control means thereof wireless
Definitions
- the invention relates to a walker for the disabled, especially for disabled, injured and age-weakened persons.
- Walking aids such as crutches or walking sticks are known in various designs and are made of different materials.
- Walking aids usually have only one ground support point. Therefore, such walker is inherently unstable and may fall over when the user needs to release it for a short time. The fall of a walker can be very problematic for the user, as users of walking aids are often limited in their freedom of movement and a fallen walker can not pick up on their own from the ground.
- a walker with extendable and adjustable additional feet known, which prevent the unwanted overturning of the walker by increasing the number of ground support points.
- a disadvantage of this walker is the complex mechanical construction for fixing the additional feet on the walker.
- the additional feet can be deflected while walking with the walker unwanted from its rest position which can trigger an attachment to an object and a fall of the user.
- the present invention is therefore an object of the invention to provide an improved walker, which is not affected by the aforementioned shortcomings.
- a walker is to be created, which can remain stably stable in an upright position without having to be held by a user.
- the walker should allow a safe and stable placement while walking with the walker.
- the walker should be used on difficult and / or uneven surfaces, as well as on stairs.
- the walker should allow an elastic and joint-gentle walking.
- the walker should support the user when getting up and sitting down.
- the walker should also be simple and easy to manufacture and operate.
- the walker should not differ significantly from a conventional walker, especially in terms of weight and dimensions.
- the walker which is suitable for assisting walking for the disabled, in particular for age-weakened, injured or ill people, comprises a shaft, at the first End a handle is arranged and at the second end of a foot part is arranged.
- a manually operable, one- or multi-part adjusting means is provided which is connected on the one hand to the shaft and on the other hand coupled to the foot part or coupled, which in a first position of the adjusting means fixedly or dimensionally stable coupled to the shaft and in a second position of the actuating means is held flexible relative to the shaft or preferably rotatable about at least 5 °.
- the shaft may be in one or more parts and is preferably telescopically adjustable.
- the handle is preferably aligned transversely to the shaft.
- the user can move some of his body weight over the handle on the walker, so that his feet are relieved when walking.
- the walker preferably comprises above the handle an inclined shaft portion, which is preferably inclined in the region of the handle by a few degrees to the main axis of the shaft.
- an arm holder is preferably provided, which serves to receive the forearm of the user so that it is laterally fixed and guided. Due to the inclination between the shaft and said shaft portion, the forearm can be stored in an ergonomically comfortable position.
- the foot part and the shaft are mechanically stable or dimensionally stable coupled to each other. Due to the mechanically stable coupling, the stability of the walker is improved, so that an unintentional falling over, especially during a Standstill, is prevented.
- This position of the actuating means is selected in particular when the user is standing.
- the walking position is also ideal for climbing stairs, wherein the foot part is preferably rotatable in one direction or the other by 180 °.
- the walker thus additionally serves as a holding column that holds the user in an upright position.
- the walker is also standalone, so that the user can sit on a bench and leave the walker standing. The walker can therefore not fall to the ground and must not be repealed.
- the user can pull up on the walker again.
- the walker according to the invention therefore not only supports walking and standing, but also getting up and sitting down.
- a second position of the one- or multi-part actuating means also referred to as the walking position
- the mechanically stable or dimensionally stable coupling between foot part and shaft is canceled, so that the foot part with respect to the shaft about at least one axis, preferably an axis parallel to the ground, is rotatable or can be elastically deformed.
- a rotation of the foot part to the shaft in the manner of an ankle joint of at least 5 ° is possible.
- the flexibility between the foot part and the stem makes it easier to walk with the walker, because the foot part can directly align with the floor when sitting on the floor, even if the walker is usually not perpendicular to the floor when it is set up.
- the walking aid In the standing position of the adjusting means, the walking aid also remains vertical and can be easily grasped again.
- the walker can also be individually adapted to the user and adjusted in height. Furthermore, the preferably detachable foot part can also be replaced by a larger or smaller foot part.
- the one or more adjusting means are preferably designed rod or tubular.
- the adjusting means should increase the total weight of the walker only minimally, which is why rod and / or tubular elements, which have a high mechanical strength with reduced material requirements, are preferred.
- the adjusting means should not appreciably increase the risk of unwanted attachment with the walking aid during walking, so that a volume-minimized embodiment of the adjusting means is also preferred.
- the adjusting means is designed as a shaft piece movably mounted on the shaft in the axial direction.
- the pipe section is mounted outside the shaft and encloses this completely or partially.
- the adjusting means can be moved up and down along the shaft.
- the actuating means in at least two positions, a walking position, in which there is no mechanical coupling between the foot part and the shaft, and a fixing position, in which a brought about by the adjusting part mechanically stable connection between the foot part and shaft, are kept stable. In this position, the adjusting means can be fixed in such a way that they do not automatically release themselves, in particular due to vibrations or impacts occurring when walking with the walking aid.
- the stable support in the two positions can be achieved by grooves, projections, grooves, snap elements, screws and threads or other means known in the art for guiding components.
- the foot part preferably has a foot part shaft, which can be coupled to the adjusting means.
- the tubular adjusting means preferably has an inner diameter, which is adapted in the region of the Fussteilschafts this, so that the tubular adjusting means can be performed at least approximately form-fitting manner over the Fussteilschaft.
- the tubular adjusting means preferably has an inner diameter which is adapted to the outer diameter of the shaft, so that the tubular adjusting means can abut the shaft at least approximately positively.
- the tubular actuating means is preferably provided on the inside with a coating, in particular a Teflon coating, which controls the movement of the actuating means along the shaft facilitates and reduces the friction between the actuating means and shaft.
- the adjusting means is designed in several parts and preferably comprises one or more additional supports, which are arranged on the shaft of the walking aid. At least two additional supports are in the fixing position on the foot part, preferably supported on the support plate, so that the foot part can not be rotated about an axis parallel to the ground and thus fixed. In the walking position, the additional supports are withdrawn along the shaft or attached to the shaft so that the foot part regains the necessary mobility for the walking position.
- the adjusting means can be moved via an operating knob and / or an operating handle on the handle from the walking position to the fixing position and vice versa.
- an actuator is provided, by means of which the actuating means can be actuated.
- the adjusting means may e.g. be formed by a piston which is extendable from the actuator.
- the tubular actuator is e.g. connected to the actuator piston.
- the change of the adjusting means between the fixing position and walking position and vice versa can be controlled by a signal which is emitted by a remote control or by a mobile phone, preferably via special software.
- the remote control may preferably be selectively attachable to one or more positions of the walker.
- the adjusting means are connected to a cable or cable or an inner tube arranged in the shaft, that by actuation of the cable or cable or by moving the inner tube of the change between fixing position and walking position is triggered.
- the actuator preferably comprises a motor, which is preferably arranged inside the shaft and which is powered by a battery, which is preferably arranged in the shaft, or a solar module arranged on the outside of the shaft, preferably a flexible solar cell, more preferably an organic solar cell is supplied.
- the foot part is preferably connected by at least one spring joint with the shaft, which comprises at least one spring element, such as a coil spring or a leaf spring.
- the spring element is used for damping during placement and allows the flexibility of the foot part with respect to the shaft in the walking position. Due to the restoring forces of the spring element, the foot part is also automatically returned to the rest position after a deflection.
- the spring element is made of plastic or metal and designed as a spiral spring or leaf spring, or a combination of spring types. In walking position, the walker allows an elastic, safe and comfortable walking.
- the shaft preferably has a square or rectangular cross-section, which facilitates the reception of the rectangular leaf springs.
- the rectangular shape of the stem and leaf springs facilitates precise alignment in the direction of the foot part.
- no round inner tube are inserted, which the power transmission for actuating the actuating means and / or Rotation of the foot allows.
- the inner tube can protrude from the shaft, so that it can be easily operated.
- first end pieces of the spring elements are aligned parallel to the shaft and anchored in this.
- the second end pieces of the spring elements are inclined or aligned parallel to the support plate of the foot part and connected thereto.
- not all second end pieces are oriented in the same direction.
- each half of the second end pieces in different directions along the support plate.
- the foot part, respectively the support plate In order to ensure sufficient stability in the fixing position against the unwanted falling over of the walker, the foot part, respectively the support plate must have a minimum size, so that the focus of the walker is in an upright position on the support plate.
- asymmetrical platen plates in particular shoe-shaped platen plates or platen plates, are preferably used.
- an asymmetric foot part is provided, which is rotatably mounted about the axis of the shaft, so that when climbing stairs always the end of the support plate, which is closer to the shaft, can be oriented in the direction of walking.
- the rotatably mounted foot can be locked in at least two, preferably by 180 ° different positions.
- the foot part optionally the support plate made of an at least partially elastic material.
- the support plate can be provided on the side facing the floor with an anti-slip coating and / or a rough coating.
- the walker comprises a light source, preferably a lamp, for illuminating the path ahead of the user of the walker and / or a mobile telephone or emergency telephone integrated in the walker.
- a light source preferably a lamp
- Fig. 1 shows a known from the prior art walker 1.
- the walker comprises a shaft 2 to which a handle 3 is attached.
- the handle 3 is aligned approximately at right angles to the shaft 2.
- the handle 3 is mechanically stable connected to the shaft 2, and one-piece designs are possible.
- a foot part 5 is attached, which is often designed as a rubber element.
- the rubber element is mechanically flexible and dampens the walker 1 when placed on the ground.
- Walking aids 1 also often have an inclined shaft portion 21, which is angled in the region of the handle 3. Normally, an arm support 4 for the forearm of the user of the walker 1 is arranged on the inclined shaft portion 21 above the handle.
- Fig. 2 showed a walking aid 1 according to the invention in a first preferred embodiment.
- the walking aid 1 comprises a shaft 2 and a handle 3 attached thereto.
- the walking aid 1 can also comprise an angled shaft portion 21 and an arm holder 4 attached thereto.
- the foot part 5 is connected via an elastic joint in the preferred embodiment of a spring element 7 with the shaft 2.
- the foot part 5 comprises a support plate 51 and a foot shank 52. Platen 51 and foot shank 52 may be made in one piece or as two parts, for example, by a welded connection or a screw connection, connected parts.
- On the shaft 2, a preferably one-piece adjusting means 6 is mounted, which is designed in the embodiment shown as a piece of pipe.
- the position of the actuating means 6 can be moved, for example via an operating knob 91 on the handle 3 at least between a first and a second position.
- Fig. 2 is the tubular adjusting means 5 in the second position in which it was released from the foot part 5 and completely shifted over the shaft 2.
- Fig. 2 shows that the foot part 5 has a foot shank 52 and a support plate 51.
- the foot shank 52 preferably has the same cross-section as the shank 2.
- the shank 2 and the foot shank 52 are cut in the manufacture of the walker 1 of a same tube.
- the tubular adjusting means 6 can therefore be displaced via the joint 7 and the foot shank 52 into a first position, in which the shank 2 and the foot shank 52 are preferably covered by the adjusting means 6 over the same length.
- the shank 2 and the foot shank 52 which are aligned coaxially in the rest position of the spring joint 7, can therefore be fixed by the adjusting means 6 in the first position in this coaxial alignment.
- These two connected to the shaft or the foot part coupling elements 2, 52 and the adjusting means 6 may be configured arbitrarily. You only need to fulfill the coupling function and the decoupling function.
- the adjusting means 6 can be easily raised by means of cable 9, which is connected to an actuating lever 92 and moved to the walking position. As far as e.g. within the shaft 2, a motor is connected to the actuating means 6, it can be operated with the control knob 91.
- Fig. 3a shows a detail of the walker 1 of Fig. 2 with a part of the shaft 2, the foot part 5, the spring joint 7 and the adjusting means 6.
- the adjusting means 6 is shown in the walking position, in which no rigid connection between the foot part 5 and shaft 2 is produced by the adjusting means 6.
- the foot part 5, consisting of foot shaft 52 and support plate 51 can be moved relative to the shaft, as illustrated by the double arrow.
- the relative movement of shaft 2 and foot part 5 is made possible by a spring joint 7, which is connected both to the shaft 2 and to the foot part 5.
- the restoring force of the spring joint 7 is designed so that the foot part is moved back when not loaded in the rest position shown, in which the axes of the shaft and Fussteilschaft are at least approximately parallel.
- Fig. 3b shows the walker 1 of Fig. 3a , wherein the shaft 2 and the adjusting means 6 located thereon are deflected relative to the foot part 5.
- the deflection shown occurs when walking with the walker 1, when the walker 1 is placed on the ground in front of the user's foot.
- the foot part 5, or the support plate 51 are aligned by placing along the floor, while the shaft 2 and the units attached thereto are deflected relative to the foot.
- the spring joint 7 is bent in this state.
- the spring joint 7 according to the invention is designed so that the deflection of the foot part shown relative to the shaft by the force exerted by the user of the walker 1 is possible.
- the spring joint 7 thus forms a hinge, which acts with a certain torque on the support, if the foot part 5 is fixed to the ground.
- the spring joint 7 is formed such that this torque acts at the height of the arm holder 4 with a noticeable force. For only a few disabled persons, this force can be very low. For insecure and weak people can a higher force is provided.
- a spring joint 7 is provided, which causes a force in the range of 5 to 50 Newtons in the region of the arm holder 4.
- a spring joint is provided with a variable torque.
- a plurality of spring elements are provided, which are preferably selectively slidable. In this way it is possible to stiffen the foot part not only completely, in the first position of the actuating means, but gradually.
- Fig. 3c shows a detail of the walker 1 of Fig. 3a , wherein the adjusting means 6 is in the standing position, in which there is a mechanically stable coupling between foot part 5 and shaft 2 by the adjusting means 6.
- Fig. 3d shows a detail of the walker 1 of Fig. 3c , wherein the tubular adjusting means 6 is shown in sectional view.
- the actuating means 6 is opposite Fig. 3a shifted to a position in which a mechanically stable coupling between foot part 5 and shaft 2 is provided by the adjusting means 6.
- a suspension along the axis of the shaft 2 is possible in the position shown of the actuating means 6, but can also, for example by blocking elements such as projections or nubs on the adjusting means 6, impossible.
- the remaining degrees of freedom of the foot part 5 are blocked.
- the inner diameter of the actuating means 6 is designed so that the actuating means 6 can be positively listed on the Fussteilschaft 52.
- the inner diameter of the adjusting means 6 in the region of the shaft 2 is selected so that a positive connection between the shaft 2 and 6 actuating means.
- Fig. 4a shows a detail of the walker 1 of Fig. 3a in a further inventive embodiment, with the Foot part 5, consisting of footer shaft 52 and support plate 51, and the shaft 2 and the adjusting means 6.
- the spring joint 7, which comprises one or more leaf springs or a spring assembly, both with the foot part 5, preferably with the footer shaft 51, as well connected to the shaft 2.
- the foot part 5 can be deflected relative to the shaft 2 from the rest position, as visualized by the double arrow.
- Fig. 4b shows a detail of the walker 1 of Fig. 3a in a further inventive embodiment, with the foot part 5, consisting of the foot part shaft 52 and the support plate 51, and the shaft 2 and the spring joint 7.
- As adjusting means 6 'additional supports 6' on the shaft 2 are provided.
- the additional supports 6 ' are shown in the walking position, in which no mechanical coupling between the foot part 5 and the shaft 2 by the adjusting means or the additional supports 6' is produced.
- the foot part 5 can be deflected relative to the shaft 2 from the rest position, as visualized by the double arrow.
- Fig. 4c shows a detail of the walker 1 of Fig. 4b , wherein the shaft 2 and the additional supports 6 'arranged thereon are deflected relative to the foot part 5.
- the additional supports 6 ' are arranged on the shaft 2, that even at the maximum deflection during use of the walker 1 does not come to a contact between the additional supports 6' and the foot part 5 and the support plate 51.
- Fig. 4d shows a detail of the walker 1 of Fig. 4b , wherein the additional supports 6 'are shown in the fixing position, in which a mechanically stable coupling between the foot part 5 and the shaft 2 by the additional supports 6'.
- Fig. 5a shows a detail of the walker 1 of Fig. 4a in a further embodiment according to the invention.
- a control part 6 is arranged on the shaft 2.
- the first end portions of the leaf springs or spring elements 71 are arranged inwardly of the shaft 2 in the shaft direction.
- the second end portions of the leaf springs or spring elements 72 are supported and angled on the support plate 51, wherein the second end of the spring elements 72 are bent apart so that a part of these second end pieces are inclined or even approximately parallel to the support plate 51 and connected thereto.
- Individual elements of the end pieces of the spring elements 72 point on the support plate 51 in at least two different directions, preferably opposite directions parallel to the running direction of the user of the walking aid 1.
- the adjusting means 6 can be pushed over the foot part shaft 52 again.
- the foot part 5 can be of any desired design and, e.g. have the shape of a shoe.
- Fig. 5b shows the foot part 5 of Fig. 5a without the footing plate 51.
- the second end pieces 72 of the leaf springs 7 can come into direct contact with the ground. This results in an intensive yet elastic contact with the ground.
- the walker 1 is therefore non-slip and resiliently supported on the ground.
- the operation of the actuating means 6 can be done by at least one cable 9, a motor and / or a lever mechanism.
- at least one locking device may be provided, which holds the adjusting means 6 in the first or second position.
- Fig. 6a shows the foot part 5 of Fig. 3a with the adjusting means 6, which is pressed by a spring 8 down in the standing position in which the foot part 5 is fixed.
- the adjusting means 6 is connected by a retaining screw 95 with the released cable 9.
- Fig. 6b shows the foot part 5 of Fig. 6b with the actuating means 6, that of the cable 9, for example by means of the actuating lever 92 of Fig. 2 was pulled against the spring 8 up in the walking position.
- the actuating lever 92 and the cable 9 may be formed, for example, in the manner of a braking device. Instead of the wheel brake, the actuating means 6 of the walking aid 1 is actuated.
- the return spring 8 which automatically shifts the released actuating means 6 in one or the other direction.
- a spiral spring 8 is provided above the tubular adjusting means 6, which presses against the tubular adjusting means 6 down. Once the lock is released, the tubular adjusting means 6 automatically shifts to the standing position, in which the shaft 2 and the foot part 5 are rigidly coupled together.
- a cable 9 is required, which pulls the adjusting means 6 upwards.
- the cable 9 can be fixed in the second position of the actuating means 6 by a simple locking device. For example, a loop of the cable is guided into an area into which a bolt can be moved. This bolt keeps the cable in the raised position. Once the bolt, eg by pressing the operating knob 91 (see Fig. 2 ) is withdrawn, the cable is released again and the adjusting means 6 is automatically moved to the first position.
- Fig. 7a shows the walker 1 of Fig. 2 arranged with a preferably designed actuating lever 92 and the arm holder 4 above the handle 3.
- the cup-shaped actuating lever 92 which is rotatably held, for example, the shaft 2 by means of a shaft, can be manually pulled up comfortably and takes in the sequence on the handle 3 in the shell.
- the operating lever 92 occupies little space in this position is preferably held and stored so that the user can intervene with the hand comfortably between the handle 3 and the operating lever 92, but this can grab and put on with extended hand.
- the actuating lever 92 is aligned coaxially with the handle 3 and can be conveniently held or fixed, for example by a ring which is pushed over the handle 3 and the actuating lever 92. After releasing the actuating lever 92, this is pulled by the spring 8 together with the actuating means 6 down.
- the adjusting spring 8 is in this embodiment, a cylindrical coil spring which is integrated into the shaft 2 of the crutch 1 and connected by a connecting shaft 93 with the tension member 9 and held by a support shaft 94 at the lower end of the shaft 2.
- the connecting shaft 93 projects outwardly through a guide slot 20 and held in openings of the tubular actuating means 6.
- the tension element 9 and the adjusting means 6 are pulled down by the adjusting spring 8 and can be pulled upwards by operation of the actuating lever 92 in order to decouple the foot part 5 from the shaft 2.
- the handle 3 and the arm holder 4 are arranged one above the other, which is why the user's hand inside (Arrow direction) and the wrist must run against the body, resulting in stress on the wrist.
- Fig. 7b shows the walker 1 of Fig. 7a arranged with the arm holder 4 above and laterally next to the handle 3 or offset against the body of the user.
- the shaft portion 21 is inclined or bent against the user.
- the wrist is held above the handle and thereby relieved.
- the inventive walker 1 thus not only supports the movement of the user, but also allows the ergonomic correct holding the walker. 1
- Fig. 7b further shows a shaft 2 which is provided with a handle relief, such as a grid, grooves or nubs. In the sitting position, the user can thus safely grasp and hold the shaft 2 and stalk it.
- a handle relief such as a grid, grooves or nubs.
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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Rehabilitation Tools (AREA)
Abstract
Die Gehhilfe (1), die für behinderte Menschen vorgesehen ist, umfasst einen Schaft (2), an dessen ersten Ende ein Handgriff (3) angeordnet ist und an dessen zweiten Ende ein Fussteil (5) angeordnet ist, wobei der Schaft (2) oberhalb des Handgriffs (3) vorzugsweise einen geneigten Schaftabschnitt (21) aufweist, der mit einer Armstütze (4) versehen ist. Erfindungsgemäss ist ein manuell betätigbares, ein- oder mehrteiliges Stellmittel (6; 6') vorgesehen, das einerseits mit dem Schaft (2) verbunden und andererseits mit dem Fussteil (5) gekoppelt oder koppelbar ist, welches in einer ersten Position der Stellmittel (6; 6") fest oder formstabil mit dem Schaft (2) gekoppelt und in einer zweiten Position der Stellmittel (6; 6') gegenüber dem Schaft (2) flexibel oder um vorzugsweise wenigstens 5° drehbar gehalten ist.The walker (1), which is intended for disabled people, comprises a shaft (2), at the first end of a handle (3) is arranged and at the second end of a foot part (5) is arranged, wherein the shaft (2) above the handle (3) preferably has an inclined shaft portion (21) which is provided with an armrest (4). According to the invention, a manually operable, one- or multi-part actuating means (6, 6 ') is provided which is connected on the one hand to the shaft (2) and on the other hand to the foot part (5) coupled or coupled, which in a first position of the adjusting means (6 6 ") is fixedly or dimensionally stable coupled to the shaft (2) and in a second position of the adjusting means (6; 6 ') relative to the shaft (2) is held flexibly or preferably at least 5 ° rotatable.
Description
Die Erfindung betrifft eine Gehhilfe für Behinderte, insbesondere für invalide, verunfallte und altersgeschwächte Personen.The invention relates to a walker for the disabled, especially for disabled, injured and age-weakened persons.
Gehhilfen wie Krücken oder Gehstöcke sind in diversen Ausführungen bekannt und werden aus verschiedenen Materialien gefertigt.Walking aids such as crutches or walking sticks are known in various designs and are made of different materials.
Gehhilfen verfügen in der Regel nur über einen einzigen Bodenauflagepunkt. Deshalb ist eine solche Gehhilfe inhärent instabil und kann, wenn der Benutzer diese für kurze Zeit loslassen muss, umfallen. Das Umfallen einer Gehhilfe kann für den Benutzer sehr problematisch sein, da Benutzer von Gehhilfen oftmals in ihrer Bewegungsfreiheit eingeschränkt sind und eine umgefallene Gehhilfe nicht aus eigener Kraft vom Boden aufheben können.Walking aids usually have only one ground support point. Therefore, such walker is inherently unstable and may fall over when the user needs to release it for a short time. The fall of a walker can be very problematic for the user, as users of walking aids are often limited in their freedom of movement and a fallen walker can not pick up on their own from the ground.
Aus der
Aus der
Der vorliegenden Erfindung liegt somit die Aufgabe zugrunde, eine verbesserte Gehhilfe zu schaffen, welche nicht mit den vorgenannten Mängeln behaftet ist.The present invention is therefore an object of the invention to provide an improved walker, which is not affected by the aforementioned shortcomings.
Insbesondere soll eine Gehhilfe geschaffen werden, die selbsttätig stabil in aufrechter Position bleiben kann, ohne dass sie von einem Benutzer gehalten werden muss.In particular, a walker is to be created, which can remain stably stable in an upright position without having to be held by a user.
Ferner soll die Gehhilfe ein sicheres und stabiles Aufsetzen während des Gehens mit der Gehhilfe ermöglichen.Furthermore, the walker should allow a safe and stable placement while walking with the walker.
Zudem soll die Gehhilfe sowohl auf schwierigen und/oder unebenen Oberflächen, als auch auf Treppen einsetzbar sein.In addition, the walker should be used on difficult and / or uneven surfaces, as well as on stairs.
Ausserdem soll die Gehhilfe ein elastisches und gelenkschonendes Gehen ermöglichen.In addition, the walker should allow an elastic and joint-gentle walking.
Weiterhin soll die Gehhilfe den Benutzer beim Aufstehen und Absitzen unterstützen.Furthermore, the walker should support the user when getting up and sitting down.
Die Gehhilfe soll zudem einfach aufgebaut sein und einfach gefertigt und bedient werden können. Die Gehhilfe soll sich insbesondere hinsichtlich Gewicht und Dimensionen nicht wesentlich von einer konventionellen Gehhilfe unterscheiden.The walker should also be simple and easy to manufacture and operate. The walker should not differ significantly from a conventional walker, especially in terms of weight and dimensions.
Diese Aufgabe wird mit einer Gehhilfe gelöst, welche die in Anspruch 1 angegebenen Merkmale aufweist. Vorteilhafte Ausgestaltungen der Erfindung sind in weiteren Ansprüchen angegeben.This object is achieved with a walker having the features specified in
Die Gehhilfe, die zur Unterstützung beim Gehen für Behinderte, insbesondere für altersgeschwächte, verunfallte oder kranke Menschen geeignet ist, umfasst eine Schaft, an dessen ersten Ende ein Handgriff angeordnet ist und an dessen zweiten Ende ein Fussteil angeordnet ist.The walker, which is suitable for assisting walking for the disabled, in particular for age-weakened, injured or ill people, comprises a shaft, at the first End a handle is arranged and at the second end of a foot part is arranged.
Erfindungsgemäss ist ein manuell betätigbares, ein- oder mehrteiliges Stellmittel vorgesehen, das einerseits mit dem Schaft verbunden und andererseits mit dem Fussteil gekoppelt oder koppelbar ist, welches in einer ersten Position der Stellmittel fest oder formstabil mit dem Schaft gekoppelt und in einer zweiten Position der Stellmittel gegenüber dem Schaft flexibel oder um vorzugsweise wenigstens 5° drehbar gehalten ist.According to the invention, a manually operable, one- or multi-part adjusting means is provided which is connected on the one hand to the shaft and on the other hand coupled to the foot part or coupled, which in a first position of the adjusting means fixedly or dimensionally stable coupled to the shaft and in a second position of the actuating means is held flexible relative to the shaft or preferably rotatable about at least 5 °.
Der Schaft kann einteilig oder mehrteilig sein und ist vorzugsweise teleskopisch verstellbar.The shaft may be in one or more parts and is preferably telescopically adjustable.
Der Handgriff ist vorzugsweise quer zum Schaft ausgerichtet. Der Benutzer kann einen Teil seines Körpergewichts über den Handgriff auf die Gehhilfe verlagern, so dass seine Füsse beim Gehen entlastet werden. Die Gehhilfe umfasst oberhalb des Handgriffs vorzugsweise einen geneigten Schaftabschnitt, der im Bereich des Handgriffs vorzugsweise um einige Grad zur Hauptachse des Schafts geneigt ist. Am nicht mit dem Schaft verbundenen Ende des zweiten Schaftabschnitts wird vorzugsweise eine Armhalterung vorgesehen, die der Aufnahme des Unterarms des Benutzers dient, so dass dieser seitlich fixiert und geführt wird. Durch die Neigung zwischen dem Schaft und dem genannten Schaftabschnitt kann der Unterarm in einer ergonomisch bequemen Position gelagert werden.The handle is preferably aligned transversely to the shaft. The user can move some of his body weight over the handle on the walker, so that his feet are relieved when walking. The walker preferably comprises above the handle an inclined shaft portion, which is preferably inclined in the region of the handle by a few degrees to the main axis of the shaft. At the not connected to the shaft end of the second shaft portion, an arm holder is preferably provided, which serves to receive the forearm of the user so that it is laterally fixed and guided. Due to the inclination between the shaft and said shaft portion, the forearm can be stored in an ergonomically comfortable position.
In der ersten Position des ein- oder mehrteiligen Stellmittels, in der Folge auch Stehposition genannt, werden das Fussteil und der Schaft mechanisch stabil oder formstabil miteinander gekoppelt. Durch die mechanisch stabile Kopplung wird die Stabilität der Gehhilfe verbessert, so dass ein unbeabsichtigtes Umfallen, insbesondere während eines Stillstands, verhindert wird. Diese Position des Stellmittels wird insbesondere dann gewählt, wenn der Benutzer steht. Auch für das Treppensteigen ist die Gehposition ideal, wobei das Fussteil vorzugsweise in die eine oder andere Richtung um 180° drehbar ist. In der Stehposition dient die Gehhilfe somit zusätzlich als Haltesäule, die den Anwender in aufrechter Stellung hält. In dieser Konfiguration steht die Gehhilfe auch selbstständig, sodass sich der Benutzer z.B. auf eine Bank setzen und die Gehhilfe stehen lassen kann. Die Gehhilfe kann daher nicht zu Boden fallen und muss auch nicht mehr aufgehoben werden. Zudem kann sich der Benutzer an der Gehhilfe wieder hochziehen.In the first position of the one- or multi-part actuating means, also referred to as a standing position, the foot part and the shaft are mechanically stable or dimensionally stable coupled to each other. Due to the mechanically stable coupling, the stability of the walker is improved, so that an unintentional falling over, especially during a Standstill, is prevented. This position of the actuating means is selected in particular when the user is standing. The walking position is also ideal for climbing stairs, wherein the foot part is preferably rotatable in one direction or the other by 180 °. In the standing position, the walker thus additionally serves as a holding column that holds the user in an upright position. In this configuration, the walker is also standalone, so that the user can sit on a bench and leave the walker standing. The walker can therefore not fall to the ground and must not be repealed. In addition, the user can pull up on the walker again.
Die erfindungsgemässe Gehhilfe unterstützt daher nicht nur das Gehen und Stehen, sondern auch das Aufstehen und Absitzen.The walker according to the invention therefore not only supports walking and standing, but also getting up and sitting down.
In einer zweiten Position des ein- oder mehrteiligen Stellmittels, in der Folge auch Gehposition genannt, ist die mechanisch stabile oder formstabile Kopplung zwischen Fussteil und Schaft aufgehoben, so dass das Fussteil bezüglich des Schafts um zumindest eine Achse, vorzugsweise einer Achse parallel zum Boden, drehbar ist oder elastisch verformt werden kann. Vorzugsweise ist eine Drehung des Fussteils zum Schaft in der Art eines Fussgelenks von zumindest 5° möglich. Durch die Flexibilität zwischen Fussteil und Schaft wird das Gehen mit der Gehhilfe erleichtert, da sich das Fussteil direkt beim Aufsetzen auf den Boden entlang des Bodens ausrichten kann, auch wenn die Gehhilfe beim Aufsetzen in der Regel nicht senkrecht zum Boden steht. Durch das Ausrichten des Fussteils entlang des Bodens wird die Kontaktfläche und somit auch die Haft- und Gleitreibung vergrössert, wodurch das Risiko für ein Ausrutschen der Gehhilfe auf dem Boden und eines damit verbundenen Sturzes des Benutzers reduziert wird. Auch beim ungewollten Anhängen des Fussteils an einem Objekt wird das Risiko eines Sturzes reduziert, da das Fussteil durch die Flexibilität zum Schaft leichter aus einer mit einem Objekt verhakten Position zu befreien ist.In a second position of the one- or multi-part actuating means, also referred to as the walking position, the mechanically stable or dimensionally stable coupling between foot part and shaft is canceled, so that the foot part with respect to the shaft about at least one axis, preferably an axis parallel to the ground, is rotatable or can be elastically deformed. Preferably, a rotation of the foot part to the shaft in the manner of an ankle joint of at least 5 ° is possible. The flexibility between the foot part and the stem makes it easier to walk with the walker, because the foot part can directly align with the floor when sitting on the floor, even if the walker is usually not perpendicular to the floor when it is set up. By aligning the foot part along the floor, the contact surface and thus also the static friction and sliding friction is increased, which reduces the risk of slipping of the walker on the floor and an associated fall of the user. Even when unintentionally attaching the foot part to an object becomes Risk of a fall is reduced, since the foot part by the flexibility to the shaft is easier to free from a hooked position with an object.
Die erfindungsgemässe Gehhilfe unterstützt daher bedarfsweise vier Bewegungsabläufe des Benutzers nämlich:
- A) das sichere und doch elastische Gehen,
- B) das sichere Stehen;
- C) das sichere Treppensteigen; und
- D) das gesicherte Aufstehen und Absitzen.
- A) safe and yet elastic walking,
- B) the safe standing;
- C) safe climbing stairs; and
- D) the assured getting up and sitting down.
In der Stehposition des Stellmittels bleibt die Gehhilfe zudem vertikal stehen und kann bequem wieder ergriffen werden.In the standing position of the adjusting means, the walking aid also remains vertical and can be easily grasped again.
Die Gehhilfe kann zudem individuell an den Benutzer angepasst und dazu in der Höhe eingestellt werden. Weiterhin kann das vorzugsweise lösbare Fussteil auch durch ein grösseres oder kleineres Fussteil ersetzt werden.The walker can also be individually adapted to the user and adjusted in height. Furthermore, the preferably detachable foot part can also be replaced by a larger or smaller foot part.
Das oder die Stellmittel sind vorzugsweise stab- oder rohrförmig ausgestaltet. Die Stellmittel sollen das Gesamtgewicht der Gehhilfe nur minimal erhöhen, weshalb stab- und/oder rohrförmige Elemente, welche eine hohe mechanische Belastbarkeit bei reduziertem Materialbedarf aufweisen, bevorzugt sind. Zudem sollen die Stellmittel das Risiko des ungewollten Anhängens mit der Gehhilfe während des Gehens nicht merklich erhöhen, so dass ebenfalls eine volumenminimierte Ausgestaltung der Stellmittel bevorzugt ist.The one or more adjusting means are preferably designed rod or tubular. The adjusting means should increase the total weight of the walker only minimally, which is why rod and / or tubular elements, which have a high mechanical strength with reduced material requirements, are preferred. In addition, the adjusting means should not appreciably increase the risk of unwanted attachment with the walking aid during walking, so that a volume-minimized embodiment of the adjusting means is also preferred.
In einer bevorzugten Ausgestaltung ist das Stellmittel als am Schaft in axialer Richtung beweglich gelagertes Rohrstück ausgeführt. Vorzugsweise ist das Rohrstück ausserhalb des Schafts angebracht und umschliesst diesen ganz oder teilweise. Das Stellmittel kann entlang des Schafts nach oben und nach unten bewegt werden. Vorzugsweise kann das Stellmittel in zumindest zwei Positionen, einer Gehposition, in der keine mechanische Kopplung zwischen Fussteil und Schaft besteht, und einer Fixierposition, in der eine durch das Stellteil herbeigeführte mechanisch stabile Verbindung zwischen Fussteil und Schaft besteht, stabil gehalten werden. In dieser Position ist das Stellmittel derart fixierbar, dass es sich, insbesondere durch beim Gehen mit der Gehhilfe auftretende Vibrationen oder Schläge, nicht selbsttätig lösen. Die stabile Halterung in den zwei Positionen kann durch Nuten, Vorsprünge, Rillen, Schnappelementen, Schrauben und Gewinden oder anderen aus dem Stand der Technik bekannten Mitteln zur Führung von Bauteilen erreicht werden.In a preferred embodiment, the adjusting means is designed as a shaft piece movably mounted on the shaft in the axial direction. Preferably, the pipe section is mounted outside the shaft and encloses this completely or partially. The adjusting means can be moved up and down along the shaft. Preferably, the actuating means in at least two positions, a walking position, in which there is no mechanical coupling between the foot part and the shaft, and a fixing position, in which a brought about by the adjusting part mechanically stable connection between the foot part and shaft, are kept stable. In this position, the adjusting means can be fixed in such a way that they do not automatically release themselves, in particular due to vibrations or impacts occurring when walking with the walking aid. The stable support in the two positions can be achieved by grooves, projections, grooves, snap elements, screws and threads or other means known in the art for guiding components.
Das Fussteil weist vorzugsweise einen Fussteilschaft auf, der mit dem Stellmittel koppelbar ist. Das rohrförmige Stellmittel weist bevorzugt einen Innendurchmesser auf, der im Bereich des Fussteilschafts auf diesen angepasst ist, so dass das rohrförmige Stellmittel zumindest annähernd formschlüssig über den Fussteilschaft geführt werden kann. Im Bereich des Schafts weist das rohrförmige Stellmittel bevorzugt einen Innendurchmesser auf, der an den Aussendurchmesser des Schafts angepasst ist, so dass das rohrförmige Stellmittel zumindest annähernd formschlüssig am Schaft anliegen kann. In der zweiten Position des rohrförmigen Stellmittels entsteht durch die formschlüssigen Kontakte zwischen dem rohrförmigen Stellmittel und dem Fussteilschaft einerseits sowie dem rohrförmigen Stellmittel und dem Schaft andererseits eine mechanisch stabile Verbindung zwischen dem Fussteil und dem Schaft.The foot part preferably has a foot part shaft, which can be coupled to the adjusting means. The tubular adjusting means preferably has an inner diameter, which is adapted in the region of the Fussteilschafts this, so that the tubular adjusting means can be performed at least approximately form-fitting manner over the Fussteilschaft. In the region of the shaft, the tubular adjusting means preferably has an inner diameter which is adapted to the outer diameter of the shaft, so that the tubular adjusting means can abut the shaft at least approximately positively. In the second position of the tubular actuating means is formed by the positive contacts between the tubular actuating means and the Fussteilschaft on the one hand and the tubular actuating means and the shaft on the other hand, a mechanically stable connection between the foot part and the shaft.
Das rohrförmige Stellmittel wird auf der Innenseite vorzugsweise mit einer Beschichtung, insbesondere einer Teflonbeschichtung, versehen, die das Bewegen des Stellmittels entlang des Schafts erleichtert und die Reibung zwischen Stellmittel und Schaft zu reduziert.The tubular actuating means is preferably provided on the inside with a coating, in particular a Teflon coating, which controls the movement of the actuating means along the shaft facilitates and reduces the friction between the actuating means and shaft.
In einer weiteren erfindungsgemässen Ausgestaltung ist das Stellmittel mehrteilig ausgeführt und umfasst vorzugsweise eine oder mehrere Zusatzstützen, welche am Schaft der Gehhilfe angeordnet sind. Wenigstens zwei Zusatzstützen sind in der Fixierposition auf das Fussteil, vorzugsweise auf die Auflageplatte aufstützbar, so dass sich das Fussteil nicht mehr um eine Achse parallel zum Boden gedreht werden kann und somit fixiert ist. In der Gehposition sind die Zusatzstützen entlang des Schafts zurückgezogen oder an den Schaft angelegt, so dass das Fussteil die für die Gehposition nötige Beweglichkeit wieder erlangt.In a further embodiment of the invention, the adjusting means is designed in several parts and preferably comprises one or more additional supports, which are arranged on the shaft of the walking aid. At least two additional supports are in the fixing position on the foot part, preferably supported on the support plate, so that the foot part can not be rotated about an axis parallel to the ground and thus fixed. In the walking position, the additional supports are withdrawn along the shaft or attached to the shaft so that the foot part regains the necessary mobility for the walking position.
Vorzugsweise können die Stellmittel über einen Betätigungsknopf und/oder einen Betätigungsbügel am Handgriff von der Gehposition in die Fixierposition und umgekehrt bewegt werden. Vorzugsweise ist ein Aktor vorgesehen, mittels dessen die Stellmittel betätigbar sind. Das Stellmittel kann z.B. durch einen Kolben gebildet werden, der aus dem Aktor ausfahrbar ist. Das rohrförmig ausgebildete Stellmittel wird z.B. mit dem Aktorkolben verbunden.Preferably, the adjusting means can be moved via an operating knob and / or an operating handle on the handle from the walking position to the fixing position and vice versa. Preferably, an actuator is provided, by means of which the actuating means can be actuated. The adjusting means may e.g. be formed by a piston which is extendable from the actuator. The tubular actuator is e.g. connected to the actuator piston.
Bei der Verwendung eines Aktors kann der Wechsel der Stellmittel zwischen Fixierposition und Gehposition und umgekehrt durch ein Signal gesteuert werden, welches von einer Fernbedienung oder von einem Mobiltelefon, vorzugsweise über eine Spezialsoftware, ausgesandt wird. Die Fernbedienung kann vorzugsweise wahlweise an einer oder mehreren Positionen der Gehhilfe befestigbar sein.When using an actuator, the change of the adjusting means between the fixing position and walking position and vice versa can be controlled by a signal which is emitted by a remote control or by a mobile phone, preferably via special software. The remote control may preferably be selectively attachable to one or more positions of the walker.
In einer weiteren bevorzugten Ausgestaltung sind die Stellmittel derart mit einem Kabel- oder Seilzug oder einem im Schaft angeordneten Innenrohr verbunden, dass durch Betätigung des Kabel- oder Seilzugs oder durch Bewegen des Innenrohres der Wechsel zwischen Fixierposition und Gehposition ausgelöst wird.In a further preferred embodiment, the adjusting means are connected to a cable or cable or an inner tube arranged in the shaft, that by actuation of the cable or cable or by moving the inner tube of the change between fixing position and walking position is triggered.
Der Aktor umfasst vorzugsweise einen Motor, welcher vorzugsweise innerhalb des Schafts angeordnet ist und der durch eine Batterie, welche bevorzugt im Schaft angeordnet ist, oder ein auf der Aussenseite des Schafts angeordnetes Solarmodul, bevorzugt eine flexible Solarzelle, weiter bevorzugt eine organische Solarzelle, mit Energie versorgt wird.The actuator preferably comprises a motor, which is preferably arranged inside the shaft and which is powered by a battery, which is preferably arranged in the shaft, or a solar module arranged on the outside of the shaft, preferably a flexible solar cell, more preferably an organic solar cell is supplied.
In einer weiteren vorzugsweisen Ausgestaltung ist das Fussteil vorzugsweise durch wenigstens ein Federgelenk mit dem Schaft verbunden, das wenigstens ein Federelement, wie eine Spiralfeder oder eine Blattfeder, umfasst. Das Federelement dient zur Dämpfung beim Aufsetzen und ermöglicht die Flexibilität des Fussteils bezüglich des Schafts in der Gehposition. Durch die Rückstellkräfte des Federelements wird das Fussteil zudem nach einer Auslenkung automatisch in die Ruheposition zurückgeführt. In bevorzugten Ausgestaltungen ist das Federelement aus Kunststoff oder Metall gefertigt und als Spiralfeder oder Blattfeder, oder einer Kombination von Federtypen ausgeführt. In der Gehposition erlaubt die Gehhilfe ein elastisches, sicheres und komfortables Gehen.In a further preferred embodiment, the foot part is preferably connected by at least one spring joint with the shaft, which comprises at least one spring element, such as a coil spring or a leaf spring. The spring element is used for damping during placement and allows the flexibility of the foot part with respect to the shaft in the walking position. Due to the restoring forces of the spring element, the foot part is also automatically returned to the rest position after a deflection. In preferred embodiments, the spring element is made of plastic or metal and designed as a spiral spring or leaf spring, or a combination of spring types. In walking position, the walker allows an elastic, safe and comfortable walking.
Sofern die Federelemente als Blattfedern ausgeführt sind, weist der Schaft bevorzugt einen quadratischen oder rechteckigen Querschnitt auf, der die Aufnahme der rechteckigen Blattfedern erleichtert. Durch die rechteckige Form von Schaft und Blattfedern wird die präzise Ausrichtung in Gehrichtung des Fussteils erleichtert. In den rechteckigen Schaft kein ein rundes Innenrohr eingefügt werden, welches die Kraftübertragung zur Betätigung der Stellmittel und/oder zur Drehung des Fusses ermöglicht. Das Innenrohr kann aus dem Schaft herausragen, so dass es einfach betätigt werden kann.If the spring elements are designed as leaf springs, the shaft preferably has a square or rectangular cross-section, which facilitates the reception of the rectangular leaf springs. The rectangular shape of the stem and leaf springs facilitates precise alignment in the direction of the foot part. In the rectangular shaft no round inner tube are inserted, which the power transmission for actuating the actuating means and / or Rotation of the foot allows. The inner tube can protrude from the shaft, so that it can be easily operated.
In einer bevorzugten Ausgestaltung sind die ersten Endstücke der Federelemente parallel zum Schaft ausgerichtet und in diesem verankert. Die zweiten Endstücke der Federelemente sind geneigt oder parallel zur Auflageplatte des Fussteils ausgerichtet und mit dieser verbunden. Vorzugsweise sind nicht alle zweiten Endstücke in dieselbe Richtung orientiert. Vorzugsweise weisen je die Hälfte der zweiten Endstücke in unterschiedliche Richtungen entlang der Auflageplatte.In a preferred embodiment, the first end pieces of the spring elements are aligned parallel to the shaft and anchored in this. The second end pieces of the spring elements are inclined or aligned parallel to the support plate of the foot part and connected thereto. Preferably, not all second end pieces are oriented in the same direction. Preferably, each half of the second end pieces in different directions along the support plate.
Um in der Fixierposition eine ausreichende Stabilität gegen das ungewollte Umfallen der Gehhilfe zu gewährleisten muss das Fussteil, respektive die Auflageplatte eine Mindestgrösse aufweisen, so dass der Schwerpunkt der Gehhilfe in aufrechter Position über der Auflageplatte liegt. Um die Fläche der Auflageplatte nicht zu gross werden zu lassen, werden vorzugsweise asymmetrische Auflageplatten, insbesondere Schuhförmige Auflageplatten oder Auflageplatten, verwendet.In order to ensure sufficient stability in the fixing position against the unwanted falling over of the walker, the foot part, respectively the support plate must have a minimum size, so that the focus of the walker is in an upright position on the support plate. In order not to let the surface of the platen become too large, asymmetrical platen plates, in particular shoe-shaped platen plates or platen plates, are preferably used.
Insbesondere beim Treppensteigen kann ein Fussteil, respektive eine Fussteil mit einer Auflageplatte, welches weit vom Schaft hervorsteht, nachteilig sein. In einer bevorzugten Ausgestaltung wird daher ein asymmetrisches Fussteil vorgesehen, das um die Achse des Schafts drehbar gelagert ist, so dass beim Treppensteigen immer das Ende der Auflageplatte, welches näher beim Schaft liegt, in Gehrichtung orientiert werden kann. Der drehbar gelagerte Fuss kann in zumindest zwei, vorzugsweis um 180° verschiedenen Positionen, arretiert werden.In particular, when climbing stairs, a foot part, respectively, a foot part with a support plate, which protrudes far from the shaft, be detrimental. In a preferred embodiment, therefore, an asymmetric foot part is provided, which is rotatably mounted about the axis of the shaft, so that when climbing stairs always the end of the support plate, which is closer to the shaft, can be oriented in the direction of walking. The rotatably mounted foot can be locked in at least two, preferably by 180 ° different positions.
In einer bevorzugten Ausgestaltung ist das Fussteil, gegebenenfalls die Auflageplatte aus einem zumindest teilweise elastischen Material gefertigt.In a preferred embodiment, the foot part, optionally the support plate made of an at least partially elastic material.
Zur Erhöhung der Benutzungssicherheit kann die Auflageplatte auf der dem Boden zugewandten Seite mit einer rutschhemmenden Beschichtung und/oder einer rauen Beschichtung versehen werden.To increase the safety of use, the support plate can be provided on the side facing the floor with an anti-slip coating and / or a rough coating.
In weiteren bevorzugten Ausgestaltungen umfasst die Gehhilfe ein Leuchtmittel, bevorzugt eine Lampe, zum Beleuchten des vor dem Benutzer der Gehhilfe liegenden Weges und/oder ein in die Gehhilfe integriertes Mobiltelefon oder Notruftelefon.In further preferred embodiments, the walker comprises a light source, preferably a lamp, for illuminating the path ahead of the user of the walker and / or a mobile telephone or emergency telephone integrated in the walker.
Nachfolgend wird die Erfindung anhand von Zeichnungen näher erläutert. Dabei zeigt:
- Fig. 1
- eine aus dem Stand der
Technik bekannte Gehhilfe 100; - Fig. 2
- eine erfindungsgemässe Gehhilfe 1 in einer ersten vorzugsweisen Ausgestaltung
mit einem Schaft 2, der obenmit einem Handgriff 3 versehen und untenüber ein Federgelenk 7mit einem Fussteil 5 gekoppelt sowie mit einem bewegbar gelagerten rohrförmigen Stellmittel 6 versehen ist; - Fig. 3a
das Fussteil 5 und einen Teil des Schafts 2 der Gehhilfe vonFig. 1 mitdem rohrförmigen Stellmittel 6 in der Gehposition;- Fig. 3b
das Fussteil 5 vonFig. 3a , das gegenüberdem Schaft 2 aus der Ruheposition ausgelenkt wurde;- Fig. 3c
das Fussteil 5 vonFig. 3a , mitdem rohrförmigen Stellmittel 6, das teilweise geschnitten gezeigt ist, in der Fixierposition;- Fig. 4a
das Fussteil 5 in einer zweiten vorzugsweisen Ausgestaltung mitdem rohrförmigen Stellmittel 6 vonFig. 3a und einem vorzugsweise ausgestalteten Federgelenk 7;- Fig. 4b
das Fussteil 5 in einer dritten erfindungsgemässen Ausgestaltung mit dem Stellmittel 6' in Form von Zusatzstützen 6' in Gehposition;- Fig. 4c
das Fussteil 5 vonFig. 4b wobei Schaft 2 und Fussteil 5 aus der Ruheposition ausgelenkt wurden;- Fig. 4d
das Fussteil 5 vonFig. 4c mit den Stellmitteln bzw. Zusatzstützen 6' in Fixierposition;- Fig. 5a
das Fussteil 5 vonFig. 4a in einer viertenAusführungsform mit Federelementen 7 deren untere Endstücke 72 auf der Fussteilplatte 51 befestigt sind und in verschiedene Richtungen weisen;- Fig. 5b
das Fussteil 5 vonFig 5a ohne dieFussteilplatte 51;- Fig. 6a
das Fussteil 5 vonFig. 3a mit dem Stellmittel 6, das von einerStellfeder 8 nach unten in die Fixierposition gedrückt wird;- Fig. 6b
das Fussteil 5 vonFig. 3a mit dem Stellmittel 6 gegen dieStellfeder 8 nach oben gezogen in der Gehposition;- Fig. 7a
- die
Gehhilfe 1 vonFig. 2 mit einem vorzugsweise ausgestalteten Betätigungshebel 92 und der Armhalterung 4 oberhalb des Handgriffs 3 angeordnet; und - Fig. 7b
- die
Gehhilfe 1 vonFig. 7a mit der Armhalterung 4 oberhalb und seitlich nebendem Handgriff 3 angeordnet.
- Fig. 1
- a
walker 100 known from the prior art; - Fig. 2
- an
inventive walker 1 in a first preferred embodiment with ashaft 2, which is provided above with ahandle 3 and below coupled via aspring joint 7 with afoot part 5 and provided with a movably mounted tubular actuating means 6; - Fig. 3a
- the
foot part 5 and a part of theshaft 2 of the walker ofFig. 1 with thetubular actuator 6 in the walking position; - Fig. 3b
- the
foot part 5 ofFig. 3a which has been deflected relative to theshaft 2 from the rest position; - Fig. 3c
- the
foot part 5 ofFig. 3a with the tubular adjusting means 6, shown partially cut, in the fixing position; - Fig. 4a
- the
foot part 5 in a second preferred embodiment with the tubular actuating means 6 ofFig. 3a and a preferably configuredspring joint 7; - Fig. 4b
- the
foot part 5 in a third embodiment according to the invention with the adjusting means 6 'in the form of additional supports 6' in walking position; - Fig. 4c
- the
foot part 5 ofFig. 4b whereinshaft 2 andfoot part 5 have been deflected from the rest position; - Fig. 4d
- the
foot part 5 ofFig. 4c with the adjusting means or additional supports 6 'in fixing position; - Fig. 5a
- the
foot part 5 ofFig. 4a in a fourth embodiment withspring elements 7 whoselower end pieces 72 are fixed on thefoot part plate 51 and point in different directions; - Fig. 5b
- the
foot part 5 ofFig. 5a without thefooting plate 51; - Fig. 6a
- the
foot part 5 ofFig. 3a with the adjusting means 6, which is pressed by aspring 8 down to the fixing position; - Fig. 6b
- the
foot part 5 ofFig. 3a with the adjusting means 6 against thespring 8 pulled up in the walking position; - Fig. 7a
- the
walker 1 ofFig. 2 arranged with a preferably designed actuatinglever 92 and thearm holder 4 above thehandle 3; and - Fig. 7b
- the
walker 1 ofFig. 7a with thearm holder 4 above and arranged laterally next to thehandle 3.
In
Erfindungsgemäss weisen der Schaft 2 der Gehhilfe 1 und das Fussteil 5 der Gehhilfe 1, die gelenkig miteinander verbunden sind, somit Kopplungselemente 2, 52 auf, die durch ein Stellmittel 6 in einer ersten Position starr miteinander koppelbar und in einer zweiten Position voneinander entkoppelt sind. Diese beiden mit dem Schaft bzw. dem Fussteil verbundenen Kopplungselemente 2, 52 sowie das Stellmittel 6 können beliebig ausgestaltet sein. Sie müssen lediglich die Kopplungsfunktion und die Entkopplungsfunktion erfüllen.According to the invention, the
Das Stellmittel 6 kann mittels Seilzugs 9, der mit einem Betätigungshebel 92 verbunden ist, leicht angehoben und in die Gehposition verschoben werden. Sofern z.B. innerhalb des Schafts 2 ein Motor mit dem Stellmittel 6 verbunden ist, so kann diese mit dem Bedienungsknopf 91 betätigt werden.The adjusting means 6 can be easily raised by means of
Das Federgelenk 7 bildet somit ein Drehgelenk, welches mit einem bestimmten Drehmoment auf die Stütze einwirkt, falls das Fussteil 5 am Boden fixiert ist. Vorzugsweise ist das Federgelenk 7 derart ausgebildet, dass dieses Drehmoment auf der Höhe der Armhalterung 4 mit einer spürbaren Kraft einwirkt. Für nur wenig behinderte Personen kann diese Kraft sehr gering sein. Für unsichere und schwache Personen kann eine höhere Krafteinwirkung vorgesehen werden. Sofern diese Stabilisierungsfunktion erwünscht ist, wird ein Federgelenk 7 vorgesehen, welches eine Krafteinwirkung im Bereich von 5 bis 50 Newton im Bereich der Armhalterung 4 bewirkt. Vorzugsweise wird ein Federgelenk mit einem variablen Drehmoment vorgesehen. Z.B. sind mehrere Federelemente vorgesehen, die vorzugsweise wahlweise ineinander verschiebbar sind. Auf diese Weise gelingt es, das Fussteil nicht nur vollständig, in der ersten Position des Stellmittels, sondern schrittweise zu versteifen.The
Das Fussteil 5 kann beliebig ausgebildet sein und z.B. die Form eines Schuhs aufweisen.The
Die Bedienung des Stellmittels 6 kann durch wenigstens einen Seilzug 9, einen Motor und/oder ein Hebelwerk erfolgen. Zudem kann wenigstens eine Arretiervorrichtung vorgesehen sein, welche das Stellmittel 6 in der ersten oder zweiten Position hält.The operation of the actuating means 6 can be done by at least one
Besonders vorteilhaft ist die Verwendung der Rückstellfeder 8, welche das gelöste Stellmittel 6 automatisch in die eine oder andere Richtung verschiebt. Z.B. ist oberhalb des rohrförmigen Stellmittels 6 eine Spiralfeder 8 vorgesehen, welche gegen das rohrförmige Stellmittel 6 nach unten drückt. Sobald die Arretierung gelöst wird, verschiebt sich das rohrförmige Stellmittel 6 automatisch in die Stehposition, in der der Schaft 2 und das Fussteil 5 starr miteinander gekoppelt sind.Particularly advantageous is the use of the
Zur Betätigung ist daher nur ein Seilzug 9 erforderlich, welcher das Stellmittel 6 nach oben zieht. Der Seilzug 9 kann dabei in der zweiten Position des Stellmittels 6 durch eine einfache Arretiervorrichtung fixiert werden. Z.B. wird eine Schlaufe des Seilzugs in einen Bereich geführt, in den ein Bolzen verschoben werden kann. Dieser Bolzen hält den Seilzug in angehobener Position. Sobald der Bolzen, z.B. durch Betätigung des Betätigungsknopfs 91 (siehe
Die Stellfeder 8 ist in dieser Ausgestaltung eine zylinderförmige Schraubenfeder, die in den Schaft 2 der Gehstütze 1 integriert und mittels einer Verbindungswelle 93 mit dem Zugelement 9 verbunden und mittels einer Haltewelle 94 am unteren Ende des Schaft 2 gehalten ist. Die Verbindungswelle 93 ragt durch einen Führungsschlitz 20 nach aussen und in Öffnungen des rohrförmigen Stellmittels 6 gehalten. Das Zugelement 9 und das Stellmittel 6 werden von der Stellfeder 8 nach unten gezogen und können durch Bedienung des Betätigungshebels 92 nach oben gezogen werden, um das Fussteil 5 vom Schaft 2 zu entkoppeln.The adjusting
Der Haltegriff 3 und die Armhalterung 4 sind übereinander angeordnet, weshalb der Benutzer die Hand nach innen (Pfeilrichtung) drehen und das Handgelenk gegen den Körper führen muss, was zu einer Belastung des Handgelenks führt.The
Die erfindungsgemässe Gehhilfe 1 unterstützt somit nicht nur die Bewegungsabläufe des Benutzers, sondern erlaubt auch das ergonomische richtige Halten der Gehhilfe 1.The
- 11
- Gehhilfewalker
- 22
- Schaftshaft
- 2020
- Führungsschlitzguide slot
- 2121
- geneigter Schaftabschnittinclined shaft section
- 33
- Handgriffhandle
- 44
- Armhalterungarm bracket
- 55
- Fussteilfoot part
- 5151
- Auflageplatteplaten
- 5252
- FussteilschaftFootrest shaft
- 6, 6'6, 6 '
- Stellmittelactuating means
- 77
- Federgelenk, wie Federpaket, Spiralfeder, BlattfedernSpring joint, such as spring package, spiral spring, leaf springs
- 7171
- erste Endstücke der Federelementefirst end pieces of the spring elements
- 7272
- zweite Endstücke der Federelementesecond end pieces of the spring elements
- 88th
- Stellfederspring
- 99
- Zugelementtension element
- 9191
- Betätigungsknopfactuating button
- 9292
- Betätigungshebelactuating lever
- 9393
- Verbindungswelle verschiebbarSliding connection shaft
- 9494
- Haltewelleholding shaft
- 9595
- Halteschrauberetention screw
- 9999
- Halteraster, GreifflächeRetainer, gripping surface
Claims (15)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15183970.1A EP3138550A1 (en) | 2015-09-04 | 2015-09-04 | Walking aid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15183970.1A EP3138550A1 (en) | 2015-09-04 | 2015-09-04 | Walking aid |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3138550A1 true EP3138550A1 (en) | 2017-03-08 |
Family
ID=54064244
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15183970.1A Withdrawn EP3138550A1 (en) | 2015-09-04 | 2015-09-04 | Walking aid |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP3138550A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018001699A1 (en) * | 2018-03-03 | 2019-09-05 | Thomas Wacker | Walker with fold-out support structure |
CN113499228A (en) * | 2021-06-25 | 2021-10-15 | 邱涛 | Self-locking type anti-toppling walking auxiliary device for orthopedic rehabilitation |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2642074A (en) * | 1949-04-16 | 1953-06-16 | Howard L Pedley | Walking appliance |
US3738674A (en) * | 1971-12-03 | 1973-06-12 | E Pauls | Ski equipped crutch |
DE8613615U1 (en) * | 1986-05-20 | 1987-09-17 | Backfisch, Kurt, 3501 Fuldabrück | Support for people with walking difficulties |
FR2820027A1 (en) | 2001-01-31 | 2002-08-02 | Bernard Mahault | Fall stop strut for walking crutch has slide on foot of crutch to control linkage connected to auxiliary feet |
US20040206384A1 (en) * | 2003-04-15 | 2004-10-21 | Thomas Zambrano | Articulated cane |
DE202004009149U1 (en) | 2004-06-08 | 2005-02-10 | Weber, Wilfried | Crutch foot, resiliently mounted on end of crutch and provided with opening for original crutch foot to pass through |
US20050189008A1 (en) * | 2004-02-26 | 2005-09-01 | Bonin Henry K.Jr. | Stair-adjustable crutch |
DE102008024864A1 (en) * | 2008-05-23 | 2009-12-17 | Bruno Gruber | Walking stick, has core element consisting of closed cell rigid foam, and cover elements consisting of semi-rigid material with elastic characteristics, where core element and cover elements are fastened by adhesive |
GB2469885A (en) * | 2009-05-01 | 2010-11-03 | Campbell M Kay Taylor | Walking aid with wheels and braking means |
-
2015
- 2015-09-04 EP EP15183970.1A patent/EP3138550A1/en not_active Withdrawn
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2642074A (en) * | 1949-04-16 | 1953-06-16 | Howard L Pedley | Walking appliance |
US3738674A (en) * | 1971-12-03 | 1973-06-12 | E Pauls | Ski equipped crutch |
DE8613615U1 (en) * | 1986-05-20 | 1987-09-17 | Backfisch, Kurt, 3501 Fuldabrück | Support for people with walking difficulties |
FR2820027A1 (en) | 2001-01-31 | 2002-08-02 | Bernard Mahault | Fall stop strut for walking crutch has slide on foot of crutch to control linkage connected to auxiliary feet |
US20040206384A1 (en) * | 2003-04-15 | 2004-10-21 | Thomas Zambrano | Articulated cane |
US20050189008A1 (en) * | 2004-02-26 | 2005-09-01 | Bonin Henry K.Jr. | Stair-adjustable crutch |
DE202004009149U1 (en) | 2004-06-08 | 2005-02-10 | Weber, Wilfried | Crutch foot, resiliently mounted on end of crutch and provided with opening for original crutch foot to pass through |
DE102008024864A1 (en) * | 2008-05-23 | 2009-12-17 | Bruno Gruber | Walking stick, has core element consisting of closed cell rigid foam, and cover elements consisting of semi-rigid material with elastic characteristics, where core element and cover elements are fastened by adhesive |
GB2469885A (en) * | 2009-05-01 | 2010-11-03 | Campbell M Kay Taylor | Walking aid with wheels and braking means |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018001699A1 (en) * | 2018-03-03 | 2019-09-05 | Thomas Wacker | Walker with fold-out support structure |
CN113499228A (en) * | 2021-06-25 | 2021-10-15 | 邱涛 | Self-locking type anti-toppling walking auxiliary device for orthopedic rehabilitation |
CN113499228B (en) * | 2021-06-25 | 2023-11-03 | 江苏康康同学科技有限公司 | Self-locking type anti-toppling walking auxiliary device for orthopedic rehabilitation |
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