阅读说明：本技术 一种助食筷 (Chopsticks for helping to eat ) 是由 赵绍晴 张海峰 张海燕 刘树荣 于 2021-08-25 设计创作，主要内容包括：本发明公开了一种助食筷,包括筷体、舵机、第一滑动结构、第二滑动结构、手指接触块、控制器和脑电采集仪。其中,筷体包括第一筷体和第二筷体,舵机用于驱动第二筷体摆动。第一滑动结构包括第一滑块,第二滑动结构包括第二滑块。手指接触块用于与患者的手指接触,手指接触块包括与第一滑块相对固定的第一手指接触块和与第二滑块相对固定的第二手指接触块,第一手指接触块和第二手指接触块的外侧为与手指的接触面。控制器与舵机电连接,用于控制舵机。脑电采集仪与控制器电连接,用于采集患者的脑电波。相比于现有技术,本发明的助食筷能够适应不同手指长度的人群,并提高训练过程的舒适性,避免损伤手指。(The invention discloses a pair of eating-assisting chopsticks, which comprises chopstick bodies, steering engines, first sliding structures, second sliding structures, finger contact blocks, a controller and an electroencephalogram acquisition instrument. The chopstick bodies comprise a first chopstick body and a second chopstick body, and the steering engine is used for driving the second chopstick body to swing. The first sliding structure comprises a first sliding block, and the second sliding structure comprises a second sliding block. The finger contact block is used for being in contact with the finger of a patient, the finger contact block comprises a first finger contact block and a second finger contact block, the first finger contact block is fixed relative to the first sliding block, the second finger contact block is fixed relative to the second sliding block, and the outer sides of the first finger contact block and the second finger contact block are contact surfaces with the finger. The controller is electrically connected with the steering engine and is used for controlling the steering engine. The brain wave acquisition instrument is electrically connected with the controller and is used for acquiring the brain waves of the patient. Compared with the prior art, the chopsticks for helping food can adapt to people with different finger lengths, improve the comfort of the training process and avoid damaging the fingers.)

1. A kind of eating-assisting chopsticks, characterized by comprising:

the chopstick body comprises a first chopstick body and a second chopstick body;

the steering engine is used for driving the second chopstick body to swing and fixed on the first chopstick body, and a steering wheel of the steering engine is connected with the second chopstick body so as to drive the second chopstick body to swing relative to the first chopstick body;

the first sliding structure comprises first linear guide rails, first sliding blocks and first limiting blocks, the first linear guide rails are fixed on the first chopstick bodies and are parallel to the axial direction of the first chopstick bodies, the first sliding blocks are slidably mounted on the first linear guide rails, at least two first limiting blocks are fixed relative to the first linear guide rails, the first sliding blocks are located between the at least two first limiting blocks, and the first limiting blocks are used for being in contact with the first sliding blocks for limiting;

the second sliding structure comprises second linear guide rails, second sliding blocks and second limiting blocks, the second linear guide rails are fixed on the second chopstick bodies and are parallel to the axial direction of the second chopstick bodies, the second sliding blocks are slidably mounted on the second linear guide rails, the number of the second limiting blocks is at least two, the second limiting blocks are fixed relative to the second linear guide rails, the second sliding blocks are located between the at least two second limiting blocks, and the second limiting blocks are used for being in contact with the second sliding blocks for limiting;

the finger contact block is used for being in contact with the finger of the patient and comprises a first finger contact block fixed relative to the first sliding block and a second finger contact block fixed relative to the second sliding block, and the outer sides of the first finger contact block and the second finger contact block are contact surfaces with the finger;

the controller is used for controlling the steering engine and is electrically connected with the steering engine;

the electroencephalogram acquisition instrument is used for acquiring the electroencephalogram of the patient and is electrically connected with the controller.

2. The chopsticks of claim 1, wherein the outer sides of the first finger contact block and the second finger contact block are both inclined planes, so that the distance between the ends of the first finger contact block and the second finger contact block close to the steering engine is larger than the distance between the ends of the first finger contact block and the second finger contact block far away from the steering engine.

3. The eating-assisting chopsticks according to claim 1, wherein said first finger contact block is one for contacting a thumb of a patient; the number of the second finger contact blocks is two, and the second finger contact blocks are used for contacting the index finger and the middle finger of the patient.

4. The eating-assisting chopsticks according to claim 3, further comprising a first mounting plate and a second mounting plate; the first finger contact block is fixed on the first mounting plate, the first mounting plate is fixed on the first sliding block, and the first finger contact block is positioned on the lower side of the first sliding block; the second finger contact block is fixed on the second mounting plate, the second mounting plate is fixed on the second sliding block, and the second finger contact block is located on the lower side of the second sliding block.

5. The eating-assisted chopsticks according to claim 3, wherein said first finger contact block and said second finger contact block are each provided with a finger strap for fixing on a finger of a patient.

6. The chopsticks of claim 1, further comprising a protective housing, wherein the steering engine is fixed in the protective housing, the protective housing comprises a protective cover located on the lower side of the steering engine and a protective cover located on the upper side of the steering engine, and the protective cover is fixed on the first chopstick body.

7. The chopsticks of claim 6, wherein the protective shell is fixed with a position-limiting device, and the position-limiting device is used for limiting the position of the thumb of the patient.

8. The chopsticks of claim 1, wherein the controller comprises a housing, a main control board and a battery, the main control board and the battery are fixed in the housing, the housing is provided with a control key, and the control key and the battery are both electrically connected with the main control board.

9. The chopsticks of claim 8, wherein the housing has an arm support, and the arm support has an arm strap for securing to an arm of a patient.

10. The eating-assisting chopsticks according to claim 1, further comprising chopstick tips, wherein the chopstick tips comprise a first chopstick tip and a second chopstick tip, the first chopstick tip is fixed on the first chopstick body, and the second chopstick tip is fixed on the second chopstick body.

Technical Field

The invention relates to the technical field of finger passive rehabilitation training, in particular to chopsticks for helping food.

Background

The number of patients with finger dysfunction caused by stroke, nerve injury and the like in the modern society is rising year by year, so that the finger passive rehabilitation training for the patients is very necessary. In the prior art, the food-assisting chopsticks are mostly mechanical food-assisting chopsticks, and the passive rehabilitation training of the patient cannot be assisted because the patient needs to actively act. The patent with the application number of 202010295527.7 discloses a brain-controlled food-aid chopstick, which collects the brain waves of a patient through an electroencephalogram collector, so as to control a first chopstick body and a second chopstick body to make corresponding clamping or loosening actions, thereby helping the patient to perform passive rehabilitation training. However, the chopsticks cannot adapt to different finger lengths, the fixed positions of the fingers are easily incorrect or uncomfortable, and when the muscles of the forefinger are stiff, the fingers are easily damaged by forcibly rotating the second chopstick body.

Disclosure of Invention

The invention aims to provide eating-assisting chopsticks which are suitable for people with different finger lengths, improve the comfort in the training process and avoid damaging fingers.

In order to achieve the purpose, the invention provides the following scheme:

the invention discloses a pair of eating-assisting chopsticks, which comprises:

the chopstick body comprises a first chopstick body and a second chopstick body;

the steering engine is used for driving the second chopstick body to swing and fixed on the first chopstick body, and a steering wheel of the steering engine is connected with the second chopstick body so as to drive the second chopstick body to swing relative to the first chopstick body;

the first sliding structure comprises first linear guide rails, first sliding blocks and first limiting blocks, the first linear guide rails are fixed on the first chopstick bodies and are parallel to the axial direction of the first chopstick bodies, the first sliding blocks are slidably mounted on the first linear guide rails, at least two first limiting blocks are fixed relative to the first linear guide rails, the first sliding blocks are located between the at least two first limiting blocks, and the first limiting blocks are used for being in contact with the first sliding blocks for limiting;

the second sliding structure comprises second linear guide rails, second sliding blocks and second limiting blocks, the second linear guide rails are fixed on the second chopstick bodies and are parallel to the axial direction of the second chopstick bodies, the second sliding blocks are slidably mounted on the second linear guide rails, the number of the second limiting blocks is at least two, the second limiting blocks are fixed relative to the second linear guide rails, the second sliding blocks are located between the at least two second limiting blocks, and the second limiting blocks are used for being in contact with the second sliding blocks for limiting;

the finger contact block is used for being in contact with the finger of the patient and comprises a first finger contact block fixed relative to the first sliding block and a second finger contact block fixed relative to the second sliding block, and the outer sides of the first finger contact block and the second finger contact block are contact surfaces with the finger;

the controller is used for controlling the steering engine and is electrically connected with the steering engine;

the electroencephalogram acquisition instrument is used for acquiring the electroencephalogram of the patient and is electrically connected with the controller.

Preferably, the outer sides of the first finger contact block and the second finger contact block are inclined planes, so that the distance between the ends, close to the steering engine, of the first finger contact block and the second finger contact block is larger than the distance between the ends, far away from the steering engine, of the first finger contact block and the second finger contact block.

Preferably, the first finger contact block is one for contacting a thumb of a patient; the number of the second finger contact blocks is two, and the second finger contact blocks are used for contacting the index finger and the middle finger of the patient.

Preferably, the device further comprises a first mounting plate and a second mounting plate; the first finger contact block is fixed on the first mounting plate, the first mounting plate is fixed on the first sliding block, and the first finger contact block is positioned on the lower side of the first sliding block; the second finger contact block is fixed on the second mounting plate, the second mounting plate is fixed on the second sliding block, and the second finger contact block is located on the lower side of the second sliding block.

Preferably, the first finger contact block and the second finger contact block are each provided with a finger strap for fixing to a finger of a patient.

Preferably, the chopsticks further comprise a protective shell, the steering engine is fixed in the protective shell, the protective shell comprises a protective cover located on the lower side of the steering engine and a protective cover located on the upper side of the steering engine, and the protective cover is fixed on the first chopstick body.

Preferably, a limiting device is fixed on the protective shell and used for limiting the contact of the limiting device and the first web of a patient.

Preferably, the controller includes shell, main control board and battery, the main control board with the battery is fixed in the shell, be equipped with the control key on the shell, the control key with the battery all with main control board electric connection.

Preferably, an arm support is fixed on the shell, and an arm strap for fixing on the arm of the patient is tied on the arm support.

Preferably, the chopstick comprises a first chopstick body and a second chopstick body, wherein the first chopstick body is provided with a first chopstick tip, the second chopstick body is provided with a second chopstick tip, and the first chopstick tip is fixed on the first chopstick body.

Compared with the prior art, the invention has the following technical effects:

when the chopsticks are used, the finger contact block can move, and the position of the finger contact block can be adjusted according to different lengths of fingers of a patient, so that the adaptability of the chopsticks is improved. And when the chopsticks for helping food move, the finger contact block can move along a straight line, so that the position of the finger of a patient can be adaptively adjusted according to the muscle condition (such as whether the finger is stiff) of the patient, and the finger is prevented from being damaged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a perspective view of a pair of eating-assisting chopsticks according to the present embodiment;

FIG. 2 is a front view of the structure of the eating-assisting chopsticks of the present embodiment;

FIG. 3 is a top view of the structure of FIG. 2;

FIG. 4 is a bottom view of the structure of FIG. 2;

FIG. 5 is a left side view of the structure of FIG. 2;

FIG. 6 is a front view of the controller;

FIG. 7 is a top view of the controller;

FIG. 8 is a left side view of the controller;

FIG. 9 is a bottom view of the controller;

description of reference numerals: 1-chopstick tip; 2-a first limiting block; 3-a first linear guide; 4-a protective cover; 5-a steering engine; 6-protective cover; 7-a limiting device; 8-second finger contact pad; 9-a second mounting plate; 10-a first mounting plate; 11-a second linear guide; 12-a second slide; 13-a second chopstick body; 14-an aviation plug; 15-the first chopstick body; 16-wave ball screw; 17-control keys; 18-a housing; 19-arm support; 20-pressing a plate; 21-a battery; 22-main control board.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention aims to provide eating-assisting chopsticks which are suitable for people with different finger lengths, improve the comfort in the training process and avoid damaging fingers.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

As shown in fig. 1-9, the present embodiment provides a pair of chopsticks for helping food, which includes a chopstick body, a steering engine 5, a first sliding structure, a second sliding structure, a finger contact block, a controller and an electroencephalogram acquisition instrument.

Wherein, the chopstick body comprises a first chopstick body 15 and a second chopstick body 13. The steering engine 5 is used for driving the second chopstick bodies 13 to swing, the steering engine 5 is fixed on the first chopstick bodies 15, and a steering wheel of the steering engine 5 is connected with the second chopstick bodies 13 so as to drive the second chopstick bodies 13 to swing relative to the first chopstick bodies 15. The first sliding structure comprises a first linear guide rail 3, a first sliding block and a first limiting block 2. The first linear guide rail 3 is fixed on the first chopstick body 15 and is parallel to the axial direction of the first chopstick body 15, the first sliding blocks are slidably mounted on the first linear guide rail 3, at least two first limiting blocks 2 are fixed relative to the first linear guide rail 3, the first sliding blocks are located between the at least two first limiting blocks 2, and the first limiting blocks 2 are used for limiting contact with the first sliding blocks. The second sliding structure comprises a second linear guide rail 11, a second sliding block 12 and a second limiting block. The second linear guide 11 is fixed on the second chopstick body 13 and is parallel to the axial direction of the second chopstick body 13, the second sliding blocks 12 are slidably mounted on the second linear guide 11, at least two second limiting blocks are fixed relative to the second linear guide 11, the second sliding blocks 12 are located between the at least two second limiting blocks, and the second limiting blocks are used for limiting contact with the second sliding blocks 12. The finger contact block is used for being in contact with the finger of a patient, the finger contact block comprises a first finger contact block fixed relative to the first sliding block and a second finger contact block 8 fixed relative to the second sliding block 12, and the outer sides of the first finger contact block and the second finger contact block 8 are contact surfaces with the finger. The controller is used for controlling steering wheel 5, and the controller is connected with steering wheel 5 electricity. The brain wave acquisition instrument is used for acquiring brain waves of the patient and is electrically connected with the controller.

When the chopsticks for helping food are used, the electroencephalogram acquisition instrument is worn on the head of a patient, the control intention (clamping or loosening food) of the patient is obtained through sensing of the electroencephalogram of the patient, the control intention information is transmitted to the controller, and the controller controls the steering engine 5 to perform corresponding actions. When the steering engine 5 acts, the steering wheel on the steering engine 5 swings and drives the second chopstick bodies 13 connected with the steering wheel to swing relative to the first chopstick bodies 15, and the rice and dishes are clamped or loosened through the change of the distance between the first chopstick bodies 15 and the second chopstick bodies 13. The first finger contact block can linearly move along the axial direction of the first linear guide rail 3, and the second finger contact block 8 can linearly move along the axial direction of the second linear guide rail 11, so that the positions of the first finger contact block and the second finger contact block 8 can be adjusted according to different lengths of fingers of patients, and the adaptability of the chopsticks for helping food is improved. When the chopsticks are moved, the first finger contact block and the second finger contact block 8 can move along a straight line, so that the positions of the fingers of the patient can be adjusted adaptively according to the muscle condition (such as whether the fingers are stiff or not), and the fingers are prevented from being damaged.

Because the fingers of a normal person slightly bend inwards when the normal person uses chopsticks to clamp food, in order to make the fingers of the patient more comfortable, the outer sides of the first finger contact block and the second finger contact block 8 are both inclined planes, so that the distance between the ends, close to the steering engine 5, of the first finger contact block and the second finger contact block 8 is larger than the distance between the ends, far away from the steering engine 5, of the first finger contact block and the second finger contact block 8, and the fingers contacting with the first finger contact block and the fingers contacting with the second finger contact block 8 are slightly bent inwards.

In this embodiment, the first finger contact block is one for contacting the thumb of the patient. The second finger contact pads 8 are two for contacting the index finger and the middle finger of the patient. Compared with the chopsticks for helping food which can only exercise the thumb and the forefinger in the prior art, the chopsticks for helping food of the embodiment can exercise the middle finger at the same time.

Further, the present embodiment further includes a first mounting plate 10 and a second mounting plate 9. First finger contact block is fixed in on first mounting panel 10, and first mounting panel 10 is fixed in on the first slider, and first finger contact block is located the downside of first slider. The second finger contact block 8 is fixed on the second mounting plate 9, the second mounting plate 9 is fixed on the second slide block 12, and the second finger contact block 8 is positioned at the lower side of the second slide block 12. Because the first mounting plate 10 and the second mounting plate 9 are arranged in the embodiment, the first finger contact block can be arranged at the lower side of the first chopstick body 15 and is not required to be directly fixed on the first chopstick body 15, and the second finger contact block 8 is similar to the first finger contact block, so that a patient is not required to directly grasp the first chopstick body 15 and the second chopstick body 13, and the grasping difficulty is reduced.

In order to prevent the patient's finger from being removed, finger straps for fixing to the patient's finger are attached to both the first finger contact pad and the second finger contact pad 8 in this embodiment. According to the difference of actual needs, a person skilled in the art can also set other forms of structures such as a magic tape and a finger sleeve on the first finger contact block and the second finger contact block 8 to realize the anti-dropping of the fingers.

In order to avoid the steering wheel 5 to bring the damage to the patient during operation, this embodiment still includes the protective housing, and steering wheel 5 is fixed in the protective housing, and the protective housing is including being located the protective cover 6 of steering wheel 5 downside and being located the safety cover 4 of steering wheel 5 upside, and protective cover 6 is fixed in on the first chopsticks body 15.

The connection mode of the rudder plate of the steering engine 5 and the second chopstick body 13 is various, and a person skilled in the art can select the connection mode according to actual needs as long as the second chopstick body 13 can be driven to swing relative to the first chopstick body 15. For example, the rudder plate can be fixedly connected with the second chopstick body 13; the rudder plate can also be connected with one part of the second chopstick body 13 in a rotating way, and the other part of the second chopstick body 13 is connected with the protective shell in a rotating way.

In the prior art, when the eating-assisting chopsticks are used, the positions of the first chopstick bodies 15 and the second chopstick bodies 13 relative to the jaw of a patient are changed along with the action of the eating-assisting chopsticks, so that the moving range of fingers of the patient is reduced. For this reason, be fixed with stop device 7 on the protective housing of this embodiment, stop device 7 is used for spacing with patient's web of a tiger contact.

In this embodiment, the controller includes shell 18, main control board 22 and battery 21, and main control board 22 and battery 21 are fixed in shell 18, are equipped with control key 17 on the shell 18, and control key 17 and battery 21 all are connected with main control board 22 is electric. A pressing plate 20 is fixed to the main control board 22, and the battery 21 is pressed against the main control board 22 by the pressing plate 20. According to different actual needs, different control keys 17 and their electrical connection modes can be provided, which are common knowledge in the art and will not be described herein.

In this embodiment, an arm support 19 is fixed to the housing 18, and an arm strap for fixing to an arm (e.g., near a wrist) of a patient is tied to the arm support 19. According to different actual needs, a person skilled in the art can also set other structures such as a magic tape and a finger stall on the shell 18 to prevent the arm support 19 from falling off.

In order to facilitate the taking of food, the present embodiment further comprises chopstick tips, which comprise a first chopstick tip 1 and a second chopstick tip. The first chopstick tips 1 are fixed on the first chopstick bodies 15, and the second chopstick tips are fixed on the second chopstick bodies 13. The first chopstick tip 1 can extend the length of the first chopstick body 15, and the second chopstick tip can extend the length of the second chopstick body 13. In this embodiment, the first chopstick tip 1 and the second chopstick body 13 and the second chopstick tip and the second chopstick body 13 are fixed by the wave ball screw 16, and those skilled in the art can fix the first chopstick tip and the second chopstick body by other fasteners according to different actual needs.

Note that, the inner side in this embodiment means a side close to the area between the first chopstick body 15 and the second chopstick body 13, and the outer side means a side away from the area between the first chopstick body 15 and the second chopstick body 13. The electrical connection referred to in this embodiment may be a circuit connection or a wireless communication connection. In this embodiment, set up aviation plug 14 on the protective housing in the steering wheel 5 outside, aviation plug 14 links to each other through first wire with steering wheel 5, draws forth the second wire on the main control board 22, and the second wire links to each other with aviation plug 14 to this realizes the electricity of steering wheel 5 and controller to be connected. In this embodiment, the electroencephalogram acquisition instrument and the controller are preferably connected by wireless communication.

The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.