Limb rehabilitation training device for cerebral infarction patient

By designing a rope structure to link the fingers, the range of motion of the fingers during the spastic phase of cerebral infarction patients is reduced, which solves the problems of excessive deformation and excessive muscle tension in hand rehabilitation training and achieves safe and effective rehabilitation results.

CN120960019APending Publication Date: 2025-11-18DURBOT MONGOLIAN AUTONOMOUS COUNTY TRADITIONAL CHINESE MEDICINE HOSPITAL
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Patent Information

Application Number
CN202511064127.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-30
Publication Date
2025-11-18

AI Technical Summary

Technical Problem

When stroke patients undergo hand rehabilitation training during the spastic phase, they are unable to effectively control the direction of finger movement, leading to excessive deformation of the fingers and knuckles and excessive muscle tension, causing irreversible damage.

Method used

Design a rope structure that includes a traction rope, an auxiliary rope, and a connecting rope. By connecting the fingers, the linkage between the traction rope and the auxiliary rope can reduce the amplitude of spastic movements, and the spherical body can reduce resonance and protect the fingers.

Benefits of technology

Effective control of finger movements reduces the force of spastic movements, avoids excessive deformation of fingers and knuckles, and improves the safety and prognosis of rehabilitation training.

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Abstract

The invention discloses a cerebral infarction patient limb rehabilitation training device which comprises a plurality of fixing gaskets which are sequentially connected in series, two pairs of elastic bandages are symmetrically arranged at the bottom ends of the fixing gaskets, a traction rope is arranged between the fixing gaskets, and an auxiliary rope and a connecting rope are oppositely distributed between the fixing gaskets. The auxiliary rope and the connecting rope are located on the left side and the right side of the traction rope respectively. By arranging the traction rope, the auxiliary rope and the connecting rope, when the hand of a patient has uncontrollable spasm motion, twisting force generated by finger spasm is transmitted to the traction rope and the auxiliary rope of the nearest finger in the direction from the thumb to the little finger in sequence, so that the motion amplitude of the fingers of the patient during uncontrollable spasm can be weakened, and the patient can feel more comfortable. Meanwhile, the strength of spasm exercise is reduced, the problem that the fingers and knuckle areas of the patient deform excessively due to passive spasm is solved, and the safety of the patient in rehabilitation training is protected.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of rehabilitation training, more particularly, the present application is a limb rehabilitation training device for cerebral infarction patients. BACKGROUND

[0002] Cerebral infarction is a sudden brain disease, and the motor ability of the body after the onset will be affected to a certain extent. Reasonable rehabilitation exercise is an important way to help cerebral infarction patients recover. After the onset, the patient will enter a spasm period after a few days or a period of time, which is manifested as increased muscle tension of the paralyzed limbs, muscle spasm, and increased muscle strength. During this period, the patient will show irregular movement of the local limbs or regions, excessive twisting spasm of the limbs, and more difficulty in voluntary movement control. In particular, it involves the spasm of the patient's hand joint area.

[0003] At present, when the patient performs hand rehabilitation training, due to the existence of the spasm period, the patient cannot effectively control the movement direction and regularity of the fingers during the rehabilitation exercise, which causes the problem of excessive deformation of the fingers and the knuckle area due to passive spasm. On the one hand, it cannot achieve the purpose of effective rehabilitation exercise, and on the other hand, it also causes the patient's hand muscle tension to be too large, which causes irreversible damage to the patient's finger joint part after excessive twisting. SUMMARY

[0004] In order to overcome the above-mentioned defects of the prior art, the embodiment of the present application provides a limb rehabilitation training device for cerebral infarction patients. By setting the pulling rope, the auxiliary rope, and the connecting rope and the spherical body, the above-mentioned pulling rope, auxiliary rope, and connecting rope jointly form a rope structure. When the patient's hand appears uncontrollable spasm movement, the twisting force generated by the finger spasm is transmitted to the nearest finger pulling rope and auxiliary rope in the direction from the thumb to the little finger, and the multiple to all fingers are synchronously driven to move, and the movement amplitude of the patient's fingers during uncontrollable spasm is weakened by the linkage of multiple fingers, and the spasm movement force is reduced at the same time, avoiding the problem of excessive deformation of the fingers and the knuckle area caused by passive spasm of the patient, reducing the condition of excessive muscle tension of the patient's hand during and after spasm, protecting the safety of the patient during rehabilitation training, and solving the problems raised in the above background technology.

[0005] In order to achieve the above object, the present application provides the following technical scheme: a cerebral infarction patient limb rehabilitation training device, comprising a plurality of fixed pads arranged in series, the bottom end of the fixed pad is symmetrically provided with two pairs of elastic bands, a plurality of the fixed pads are provided with a pulling rope between them, the auxiliary rope and the connecting rope are oppositely distributed between the plurality of fixed pads, the auxiliary rope and the connecting rope are respectively located on the left and right sides of the pulling rope, and the angle A and the angle B are formed between the pulling rope and the auxiliary rope and the connecting rope, the angle A is greater than the angle B, the two ends of the pulling rope are respectively fixed with one side of the bottom end and one side of the top end of the left and right two fixed pads, the fixed pad and the auxiliary rope are respectively located at the upper and lower ends of the fixed pad, and the connecting rope is located at the middle position of the fixed pad and is vertically distributed with the fixed pad.

[0006] The surface of the auxiliary rope is slidably connected with a spherical body, a limiting ring is fixedly sleeved on one side of the surface of the auxiliary rope and the spherical body, the spherical body comprises a hemispherical body, the side surface of the hemispherical body is provided with an arc surface, and a central hole is penetratingly arranged in the hemispherical body and the arc surface.

[0007] In a preferred embodiment, the fixed pad and the elastic band are integrally made of elastic leather material or elastic rubber material.

[0008] In a preferred embodiment, the pulling rope, the auxiliary rope and the connecting rope are integrally made of elastic material, and one end of the auxiliary rope and the connecting rope is connected with the middle position of the pulling rope.

[0009] In a preferred embodiment, the arc surface is arranged on the side facing the pulling rope, the diameter of the central hole is greater than the diameter of the auxiliary rope, and the spherical body and the auxiliary rope are gap-fitted.

[0010] In a preferred embodiment, the cross-sectional diameters of the pulling rope, the auxiliary rope and the connecting rope are equal, and the length relationship of the pulling rope, the auxiliary rope and the connecting rope is sequentially reduced.

[0011] In a preferred embodiment, the diameter of the limiting ring is greater than the hole diameter of the central hole, the side of the hemispherical body facing the limiting ring is distributed, and the outer side arc length of the arc surface is greater than the arc length of the hemispherical body, and the arc surface and the hemispherical body are transitioned through a round corner.

[0012] The technical effects and advantages of the present application are as follows:

[0013] The present application sets up the pulling rope, the auxiliary rope and the connecting rope and the spheroid, through the common composition of the pulling rope, the auxiliary rope and the connecting rope, when the patient's hand appears the uncontrollable spasm movement, then the twisting force generated by the finger spasm is transmitted to the pulling rope and the auxiliary rope of the nearest finger from the direction of the thumb to the little finger, then through the common action of the pulling rope and the auxiliary rope, the connecting rope on the other side of the pulling rope is stretched and pulled towards the direction of the spastic finger, and the finger on the side of the spastic finger is driven to deviate towards the movement direction of itself, so that the fingers are driven to move synchronously, at the same time, since the fingers are in series, when one or more fingers have uncontrollable spasm, the fingers are driven to move synchronously, so that the movement range of the fingers is reduced, the spasm force is reduced, the problem of excessive deformation of the fingers and the joints caused by passive spasm is avoided, the excessive muscle tension of the hand caused by spasm is reduced, the safety of the patient during rehabilitation training is protected, the irreversible damage during training is avoided, and the effect of rehabilitation prognosis is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the overall structure schematic diagram of the present application;

[0015] Figure 2 It is the bottom end structure schematic diagram of the present application;

[0016] Figure 3 It is the spheroid and the limiting ring structure schematic diagram of the present application;

[0017] Figure 4 It is the overall overhead structure schematic diagram of the present application;

[0018] Figure 5 It is the side schematic diagram of the fixed gasket when wearing;

[0019] Figure 6 It is the distribution schematic diagram of the pulling rope, the auxiliary rope and the connecting rope of the present application;

[0020] Figure 7 It is the state schematic diagram of the pulling rope, the auxiliary rope and the connecting rope of the present application when being pulled and moved;

[0021] Figure 8 It is the local structure schematic diagram of the pulling rope and the auxiliary rope of the present application;

[0022] Figure 9 It is the state schematic diagram of the spheroid of the present application when reciprocating;

[0023] Figure 10The overall structure wearing state schematic view of the application.

[0024] The reference signs are: 1, fixed pad; 2, elastic band; 3, pulling rope; 4, auxiliary rope; 5, connecting rope; 6, spherical body; 7, limiting ring; 61, hemispherical body; 62, arc surface; 63, central hole. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the application will be apparently and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0026] As shown in the accompanying Figure 1 to the accompanying Figure 10 A limb rehabilitation training device for cerebral infarction patients, comprising a plurality of fixed pads 1 arranged in series, the bottom end of the fixed pad 1 is symmetrically provided with two pairs of elastic bands 2, a plurality of fixed pads 1 are provided with a pulling rope 3 between them, a plurality of fixed pads 1 are oppositely distributed with an auxiliary rope 4 and a connecting rope 5, the auxiliary rope 4 and the connecting rope 5 are respectively located on the left and right sides of the pulling rope 3, the pulling rope 3 and the auxiliary rope 4 and the connecting rope 5 form ∠A and ∠B, the ∠A is greater than the ∠B, the two ends of the pulling rope 3 are respectively fixed with the bottom end and the top end of the left and right fixed pads 1, the fixed pad 1 and the auxiliary rope 4 are respectively located at the upper and lower ends of the fixed pad 1, the connecting rope 5 is located at the middle position of the fixed pad 1 and is vertically distributed with the fixed pad 1, the above-mentioned pulling rope 3, auxiliary rope 4 and connecting rope 5 jointly form a rope structure, and the specific position distribution design of the structure makes the pulling rope 3 and the auxiliary rope 4 jointly pull to one side when acting, which can jointly act on the connecting rope 5, so that the middle and upper parts of the fingers on the other side are pulled to move synchronously, so that the force transmission of the overall rope structure is a labor-saving lever, which is more convenient for force transmission to the overall fingers on the side;

[0027] The surface of the auxiliary rope 4 is connected in series with a spherical body 6, a limiting ring 7 is fixed on the surface of the auxiliary rope 4 and located on one side of the spherical body 6, the spherical body 6 comprises a hemispherical body 61, the side surface of the hemispherical body 61 is provided with an arc surface 62, and the inside of the hemispherical body 61 and the arc surface 62 is provided with a central hole 63 in a penetrating mode, through the above arrangement, the spherical body 6 can move back and forth within the limiting range of the limiting ring 7 at one end of the auxiliary rope 4 during the operation of the pulling rope 3, and the arc surface 62 on one side of the spherical body 6 is in constant contact and collision with the side surface of the pulling rope 3, the different collision frequencies of the spherical body 6 are used to offset the natural frequency of the pulling rope 3, so as to avoid the resonance between the pulling rope 3 and the fingers during repeated pulling, and to avoid the problem that the finger joints are injured due to vibration.

[0028] The fixed gasket 1 and the elastic band 2 are integrally made of elastic leather material or elastic rubber material, the arc surface 62 is arranged on the side of the pulling rope 3, the diameter of the central hole 63 is greater than the diameter of the auxiliary rope 4, and the spherical body 6 is in gap cooperation with the auxiliary rope 4, the cross-sectional diameters of the pulling rope 3, the auxiliary rope 4 and the connecting rope 5 are equal, and the length relationship of the pulling rope 3, the auxiliary rope 4 and the connecting rope 5 is sequentially reduced, through the above arrangement, the smoothness between the spherical body 6 and the auxiliary rope 4 during reciprocating motion is high, and the spherical body 6 is not easy to be blocked by the auxiliary rope 4, and the use effect of the spherical body 6 is further improved.

[0029] The rope structure is designed to be triggered from the side of the thumb to the side of the little finger, which is more in line with the characteristics of the human palm and is suitable for ergonomic design of the human hand.

[0030] With reference to the specific description in the accompanying drawings Figure 6 The pulling rope 3, the auxiliary rope 4 and the connecting rope 5 are integrally made of elastic material, and one end of the auxiliary rope 4 and the connecting rope 5 is connected with the middle position of the pulling rope 3.

[0031] The embodiment is specifically: through the above arrangement, the auxiliary rope 4 and the connecting rope 5 on both sides of the pulling rope 3 can be synchronously linked and synchronously pulled along with the movement track of the pulling rope 3 when the pulling rope 3 is pulled, so that the power can be transmitted to the pulling rope 3 when the patient has a spasm without self-awareness, and the pulling rope 3 can synchronously control multiple fingers, so that the spasm amplitude is reduced, other fingers are driven to move synchronously, the spasm is effectively controlled, the fingers are effectively exercised within a safe range, and the safety of the patient during the spasm period is further improved.

[0032] With reference to the specific description in the accompanying drawings Figure 7 - the accompanying drawings Figure 8The diameter of the limiting ring 7 is greater than the hole diameter of the central hole 63, the side of the hemispheres 61 is distributed towards the limiting ring 7, the outer side of the arc surface 62 has a length greater than the arc length of the hemispheres 61, and the arc surface 62 and the hemispheres 61 are connected by a round corner transition.

[0033] The embodiment is specific: through the above setting, the spherical body 6 can reciprocate within a certain range when repeatedly pulling the pulling rope 3, and the arc surface 62 on one side is continuously in contact with the side of the pulling rope 3, different collision frequencies of the spherical body 6 are used to avoid resonance between the pulling rope 3 and the fingers during repeated pulling, and the problem of causing damage to the finger joints is avoided, and the operability and safety degree in the patient's rehabilitation training are further improved.

[0034] The working principle of the present application is:

[0035] First step: first, the doctor normally assembles each component of the device, and then normally wears the device on the middle position of the five fingers of the patient through the elastic bandage 2.

[0036] Second step: first, the patient normally carries out the different rehabilitation training process of hand tension, grip strength, etc., while in the rehabilitation process, the uncontrollable spasm occurs, then the finger spasm generated torsion force is transmitted to the nearest finger pull rope 3 and auxiliary rope 4 from the thumb to the little finger direction, then through the joint action of pull rope 3 and auxiliary rope 4, the connecting rope 5 on the other side of pull rope 3 is stretched and pulled towards the direction of spastic finger, and the finger on one side of the spastic finger is driven towards the movement direction of itself, so that the fingers are driven synchronously by the spastic finger, at the same time, since the fingers are in series, when one or more fingers have uncontrollable spasm, multiple to all fingers can be driven synchronously, so that the fingers are linked to reduce the uncontrollable movement amplitude of the fingers when spasm, and at the same time, the fixed pad 1 and auxiliary rope 4 are respectively located at the upper and lower ends of the fixed pad 1, the connecting rope 5 is located at the middle position of the fixed pad 1 and maintains vertical distribution between the fixed pad 1, so that when the left finger pulls the right finger after spasm, the left finger concentrates the force on the middle and above of the right finger, so that the overall structure is a force saving lever, which is more convenient for force transmission to the surrounding fingers. Here, the spasm direction of the right hand is taken as an example, and the left hand direction is reversed. At the same time, during the working process of pull rope 3, the ball 6 on one side of auxiliary rope 4 will be affected by pulling, and will move back and forth within the certain limit range of limiting ring 7 at one end of auxiliary rope 4, and the arc surface 62 on one side will be in constant contact with the side of pull rope 3, so as to avoid the resonance between pull rope 3 and fingers during repeated pulling, and cause the damage of finger joints. Finally, the device completes the exercise and prevents the problem of finger joint damage caused by excessive spasm during rehabilitation, that is, it can be used.

[0037] Third step: first, the operator normally closes the device, then the operator checks whether the fixation between the components of the device is normal, and then replaces and maintains the parts inside the device which are seriously aged and worn.

[0038] Finally, it should be pointed out that in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0039] Secondly: the embodiment of the present application is disclosed in the drawings, only the structure involved in the embodiment of the present application is involved, other structures can refer to the general design, in the case of no conflict, the same embodiment and different embodiments of the present application can be combined with each other;

[0040] Finally: the above only for the preferred embodiment of the present application, and not for limiting the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A limb rehabilitation training device for patients with cerebral infarction, characterized in that: The device includes multiple fixed pads arranged in series. Two pairs of elastic straps are symmetrically arranged at the bottom of each fixed pad. A pull rope is arranged between the multiple fixed pads. An auxiliary rope and a connecting rope are arranged oppositely between the multiple fixed pads. The auxiliary rope and the connecting rope are located on the left and right sides of the pull rope, respectively. ∠A and ∠B are formed between the pull rope, the auxiliary rope, and the connecting rope, where ∠A is greater than ∠B. The two ends of the pull rope are fixed to one side of the bottom and one side of the top of the left and right fixed pads, respectively. The fixed pads and the auxiliary rope are located at the upper and lower ends of the fixed pads, respectively. The connecting rope is located in the middle of the fixed pad and is perpendicular to the fixed pads. The auxiliary rope has a spherical body slidably connected to its surface. A limit ring is fixedly fitted on the surface of the auxiliary rope and on one side of the spherical body. The spherical body includes a hemisphere, and the side of the hemisphere is provided with an arc-shaped surface. A central hole is provided through the interior of the hemisphere and the arc-shaped surface.

2. The limb rehabilitation training device for patients with cerebral infarction according to claim 1, characterized in that: The fixing pad and elastic strap are made of elastic leather or elastic rubber.

3. The limb rehabilitation training device for patients with cerebral infarction according to claim 1, characterized in that: The entire pull rope, auxiliary rope, and connecting rope are made of elastic material, and one end of the auxiliary rope and the connecting rope is connected to the middle of the pull rope.

4. The limb rehabilitation training device for patients with cerebral infarction according to claim 1, characterized in that: The arc-shaped surface is positioned facing the pulling rope, the diameter of the central hole is larger than the diameter of the auxiliary rope, and the spherical body and the auxiliary rope are fitted with a gap.

5. The limb rehabilitation training device for patients with cerebral infarction according to claim 1, characterized in that: The cross-sectional diameters of the pull rope, auxiliary rope, and connecting rope are all equal, and the lengths of the pull rope, auxiliary rope, and connecting rope decrease sequentially.

6. The limb rehabilitation training device for patients with cerebral infarction according to claim 1, characterized in that: The diameter of the limiting ring is larger than the diameter of the central hole. The hemispheres are distributed on one side facing the limiting ring. The length of the outer arc trajectory of the arc surface is greater than the length of the arc trajectory of the hemisphere. The arc surface and the hemisphere are connected by a rounded corner transition.