DE102014014095A1 - Movement trainer for persons with shortened extremities - Google Patents

Abstract

With the present invention, a device (1) is presented, which serves to improve the extremities of a small body, as well as a body of a person with limited hip mobility. The user (11) of the device (1) sits on a seat surface (3), about which the position of the hip joint of the user is arranged, wherein the pivot point D of the hip joint of the user (11), the center of gravity S of the seat (3 ) And the center (12) of a crank mechanism (10) on the straight connecting line (15) is arranged, ie on the shortest connection between the pivot point D and the center (12) of the axis of rotation of the crank mechanism (10), wherein the deviation of the shortest connection can vary within certain limits. The device (1) can be used in any position of the user, either sitting or lying or in an intermediate position.

Description

The present invention is concerned with a movement trainer for persons with shortened extremities, in particular with a device for short people whose hip mobility is severely limited.

Exercise trainer for disabled persons are well known in the art. The publication DE 20 3007 014 460 U1 shows, for example, a movement therapy device having a support frame with a walk-through opening, through which the patient arrives at an adjustable saddle which fixes the patient on the device by means of an adjustable back support. The movement is done by means of the hand crank in the front region of the device. Furthermore, from the DE 198 11 233 A1 a training device for people with reduced mobility has become known, which has a crank on which pedals are arranged, with which the disabled person moves a motor-driven transmission, wherein the movement type and intensity can be adjusted electronically. Furthermore, in the document DE 202 03 680 U1 discloses a multifunction trainer that represents a combination between a bicycle trainer and an elliptical trainer. This multifunction trainer has, inter alia, a crank mechanism, above which a bicycle saddle is arranged, on which a normal person can take place to operate the crank mechanism.

A disadvantage of these known devices and exercise trainers, it is felt that they are not suitable or only partially suitable for short people whose extremities are generally very short and therefore special demands are placed on the design of a Bewegungsstrainers.

Another disadvantage of the known exercise equipment is the fact that they are generally useful only for people in an upright posture and persons with limited hip mobility are almost excluded.

Therefore, it is an object of the present invention to obviate the above drawbacks and to provide an exercise trainer for the obstruction of the disabled body which is simple and effective in handling.

This object is achieved with the characterizing features of the main claim.

Further features according to the invention can be taken from the subclaims and the description.

The device according to the invention for improving the extremities of a small body of a person or a person with limited hip mobility with at least one seat and at least one movable lever arm, which is mechanically connected to at least one crank mechanism is characterized in that the connecting line between the fulcrum of the hip joint of the body of the user of the device and the center of gravity of the seat and the center of the crank mechanism is arranged with slight deviations approximately on an axis.

It is advantageous that at least one bearing of the crank mechanism is arranged substantially below the seat surface.

Furthermore, it is advantageous that the connecting line between the pivot point of the hip joint of the user's body and the center of the axis of rotation of the crank mechanism describes the shortest path.

It is also advantageous that the small deviations from the straight connecting line should not exceed the order of magnitude of approximately + 5%.

Another advantage is seen in that at least one bearing is located at the center of the crank mechanism substantially below the seating surface.

It is considered advantageous that the deviation of the angle α between the ideal vertical connecting line ( 15 ) and the actual connection line ( 15 ' ) of the vertical between +/- 7 °, preferably between 2 ° -3 °.

It is further felt to be advantageous that the angle α is variable adjustable. It is also advantageous that the distances of the individual components for movement therapy by means of linkage in their length are adjustable.

It is also advantageous that the length of the at least one crank is designed to be adjustable.

Another advantage is that the crank interacts with a mechanism whose rotational resistance is adjustable.

Another advantage is that at least two trusses are arranged transversely to the longitudinal axis of the movement trainer, of which at least one traverse has a larger diameter than the other trusses.

It is particularly advantageous that at least one display of an ergometer is arranged in the front area of the movement trainer.

A significant advantage of the present invention is that instead of a handlebar-like linkage, a crank mechanism for moving arms and hands is arranged.

It is also advantageous that a rotatably mounted and flat trained pedals is arranged at the end of the lever.

Another advantage is that the seat is designed as a bicycle-like saddle, preferably as a wide saddle.

Furthermore, it is advantageous that a weight is arranged below the tread surface of the pedals.

Overall, it is advantageous that the device according to the invention can be constructed in modular design.

A further advantage is seen in the fact that the seat on which the user sits, is horizontally displaceable and adjustable.

In the following, the invention will be explained in detail with reference to drawings. It shows

1 FIG. 2: a schematic side view of a device according to the invention ( 1 ) with a housing ( 2 ), in which a transmission, not shown here, is arranged, which is below a seat ( 3 ), wherein the housing ( 2 ) Is part of a boom frame;

2 : a schematic side view of the crank mechanism ( 10 ), consisting of a disc-shaped element ( 5 ) with a lever arm ( 6 ), at one end of which a pedal ( 7 ) is arranged.

The 1 shows a schematic side view of the device 1 with a gear, not shown here, in a housing 2 that is below a seat 3 is arranged. The housing 2 is part of the boom frame, which consists of a plurality of individual adjustable components, which are arranged ergonomically to each other.

With the in the case 2 arranged gear, the load or the applied power is set and measured. The housing 2 is with a traverse 4 connected, which is round and tubular in the present embodiment as a pillar. At a predetermined distance a from the traverse 4 is another traverse 4 arranged as a second leg, both together for the stability of the device 1 to care. The diameter of the rear cross member 4 is larger than the diameter of the front cross member 4 ' , Outside the case 2 is in the front of the case 2 a crank mechanism 10 arranged, consisting of a disk-shaped element 5 exists, to the over a lever arm 6 a flat trained pedals 7 is attached. The crank mechanism 10 , with which the invisible transmission is driven, wu is described in more detail. The middle-point 12 the crank mechanism 10 is approximately perpendicular below the center of gravity S of the seat 3 , which may be formed in different embodiments, for. B. bicycle saddle similar or riding saddle similar or oblong or round, which is essentially based on the anatomy of the user. The distance between the center 12 and the seat center of gravity S depends on the length of the user's legs and is provided with an actuator 13 set that can be constructed in various designs, z. B. as a pipe in pipe displacement, with a locking element 14 which is designed as a screw. In the normal case of the present invention, the axis forms 15 the connection between the center 12 and seat 3 and the horizontal at an angle of 90 °. In practice, however, this angle may differ from the ideal case. The deviation from the perpendicular angle is between α about +/- 7 °, preferably about 3 °, depending on the anatomical requirements of the patient. In the front upper area of the housing 2 is a strut 17 arranged, whose length with an actuator 18 and a locking element 19 can be adjusted according to the individual needs of the user. To this strut 17 is another strut 20 at a predetermined angle, preferably 90 °, which is also provided with an actuator 21 and a locking element 22 is adjustable. With the forward and upward struts 17 . 20 , as well as a possible further strut 23 is the individual desired distance of the body 11 the user to a handlebar-like device 24 and the display 25 adjustable ergometer, whereby an optimal effectiveness of the device according to the invention is ensured. The steering wheel-like device 24 has at least one handle at a predetermined location 26 on, on the other levers (not shown here) can be made to adjust the device in the broadest sense, z. B. the load parameters or the display values. In a particular embodiment, the handlebar-like device 24 also be exchanged with a crank mechanism 24 to operate the arms and hands of the user.

The 2 shows a schematic side view of the crank mechanism 10 as a drive for a gear inside the housing 2 of the contraption 1 , The crank mechanism 10 is outside the case 2 arranged and consists essentially of a disc-shaped element 5 on which at least one lever arm 6 is arranged adjustable. The longitudinal axis of the lever arm 6 points in the direction of the center 12 the crank mechanism, which is also the center of the disc element 5 is that on the lever arm 6 a flat trained pedals 7 is attached adjustable. Below the flat formed pedals 7 sits a weight 8th , which is connected to the bearing shell of the pivot bearing of the pedals, so that the center of gravity of the entire pedals 7 outside the axis of rotation 9 the pedals 7 is arranged. This will cause the flat tread of the pedals 7 always pointing upward, so that the user always has the mountable tread of the pedals 7 finds. The length of the lever arm 6 is adjustable and depends, among other things, on the mobility of the hip joint of the user. The adjustability of the lever arm 6 is by means of an actuator 27 achieved, which can be realized in different ways, eg. B. with a locking screw on the disc-shaped element 5 along the longitudinal axis of the lever arm 5 ,

In summary, it should be noted that with the present invention, a device 1 presented which is suitable for strengthening the extremities of a small body, as well as a body of a person with limited hip mobility. The user of the device 1 sits on a seat 3 , about which the position of the hip joint of the user is arranged, wherein the pivot point D of the hip joint, the center of gravity S of the seat 3 and the center 12 the crank mechanism 10 on the straight axis 15 between seat center of gravity S and center 12 the axis of rotation of a crank mechanism 10 is arranged, ie on the shortest connection between the pivot point D and the center 12 the axis of rotation of the crank mechanism 10 , where the deviation of the shortest connection can vary within certain limits. The device 1 is thus usable in any position of the user, either sitting or lying or in an intermediate position.

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 203007014460 U1 [0002]
• DE 19811233 A1 [0002]
• DE 20203680 U1 [0002]

Claims (18)

Contraption ( 1 ) for strengthening the extremities of a body ( 11 ) of a person with limited hip mobility with at least one seat ( 3 ) and at least one movable lever arm ( 6 ) mechanically connected to at least one crank mechanism ( 10 ) is in operative connection, characterized in that the connecting line ( 15 ) between the pivot point D of the hip joint of the body ( 11 ) of a person and the center of gravity S of the seat ( 3 ) and the center ( 12 ) of the crank mechanism ( 10 ) with small deviations approximately on one axis ( 15 ) is arranged. Apparatus according to claim 1, characterized in that at least one bearing of the crank mechanism ( 10 ) substantially below the seat surface ( 3 ) is arranged. Device according to claim 1 , characterized in that the connecting line between the pivot point D of the hip joint and the center ( 12 ) of the rotation axis of the crank mechanism ( 10 ) describes the shortest route. Apparatus according to claim 1, characterized in that the small deviations should not exceed the order of magnitude of about + 5%. Apparatus according to claim 1, characterized in that at least one bearing in the center ( 12 ) of the crank mechanism ( 10 ) substantially below the seat surface ( 3 ) is arranged. Apparatus according to claim 1, characterized in that the deviation of the angle α between the ideal vertical connecting line ( 15 ) and the actual connection line ( 15 ' ) of the vertical between +/- 7 °, preferably between 2 ° -3 °. Apparatus according to claim 6, characterized in that the angle α is variable adjustable. Device according to claim 1, characterized in that the length of the at least one lever arm ( 6 ) is adjustable. Device according to claim 1, characterized in that the lever arm ( 6 ) with a mechanism ( 10 ) cooperates, whose rotational resistance is adjustable. Apparatus according to claim 1, characterized in that the distances of the individual components for movement therapy by means of linkage ( 17 . 20 . 23 ) are adjustable in length. Device according to one of the preceding claims, characterized by at least two traverses ( 4 . 4 ' ), of which at least one traverse ( 4 ) has a larger diameter than the other trusses ( 4 ' ). Apparatus according to claim 1, characterized in that in the front visible area at least one display ( 25 ) is arranged an ergometer. Device according to one of the preceding claims, characterized in that instead of a handlebar-like linkage ( 24 ) a hand crank mechanism ( 24 ' ) is arranged. Device according to one of the preceding claims, characterized in that at the end of the lever arm ( 6 ) a rotatably mounted, flat trained pedals ( 7 ) is arranged. Device according to one of the preceding claims, characterized in that the seat surface ( 3 ) is designed as a broad bicycle-like saddle. Device according to one of the preceding claims, characterized in that below the tread surface of the pedals ( 6 ) a weight ( 8th ) is arranged. Device according to one of the preceding claims, characterized in that the seat surface ( 3 ) Is formed horizontally displaceable and adjustable. Use of the device ( 1 ) for strengthening the extremities of both a small body of a person and a person with limited hip mobility.

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