CN117898914B - Arm training rehabilitation device - Google Patents
Arm training rehabilitation device Download PDFInfo
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- CN117898914B CN117898914B CN202410305116.XA CN202410305116A CN117898914B CN 117898914 B CN117898914 B CN 117898914B CN 202410305116 A CN202410305116 A CN 202410305116A CN 117898914 B CN117898914 B CN 117898914B
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- 230000007246 mechanism Effects 0.000 claims description 29
- 230000005540 biological transmission Effects 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 13
- 238000001125 extrusion Methods 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000011084 recovery Methods 0.000 abstract description 9
- 230000009471 action Effects 0.000 abstract description 5
- 210000005036 nerve Anatomy 0.000 abstract description 5
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 210000000707 wrist Anatomy 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 230000004936 stimulating effect Effects 0.000 description 3
- 206010061363 Skeletal injury Diseases 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 210000002411 hand bone Anatomy 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007383 nerve stimulation Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 208000021421 Arm injury Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001766 physiological effect Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
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Abstract
The invention belongs to the technical field of arm passive exercise, in particular to an arm training rehabilitation device, which comprises: a big arm fixing unit clamped at the big arm of the patient; the elbow fixing unit is clamped at the elbow of the patient and is hinged and fixed with the big arm fixing unit through the first connecting arm; the big arm fixing unit, the elbow fixing unit and the small arm fixing unit are clamped on the arm of the patient, so that when the patient wears the device, the patient can independently complete operation without the assistance of other people, and the wearing action independently completed by the patient can play a certain positive promoting effect on the nerve recovery of the palm and the fingers of the patient; the locking hook slides in the first arc-shaped clamp, and when the patient clamps the rehabilitation device on the arm, the locking hook can slide to block the bottom opening of the first arc-shaped clamp, so that the big arm of the patient can be sleeved and fixed, and the rehabilitation device is prevented from being separated from the arm of the patient when the patient performs passive rehabilitation exercise.
Description
Technical Field
The invention belongs to the technical field of passive arm exercise, and particularly relates to an arm training rehabilitation device.
Background
In the process of high-strength physical training or daily work, the recovery of the arm injury caused by accidents is long, especially the recovery after the hand bone injury is long, because after the hand bone injury, the arm is at least fixed by gypsum or an external fixing steel frame so as to realize the recovery of the arm, but the arm is in a fixed posture for a long time, and after the gypsum or the external fixing steel frame is removed, the recovery exercise is performed for a certain period of time, so that the recovery standard can be reached.
The lumbar and back and double-arm traction rehabilitation machine disclosed by the application number 201310348839.X can carry out targeted traction on the lumbar and back and double arms of a patient so as to carry out rehabilitation treatment. Wherein the shoulder unit enables swinging and twisting of the large arm relative to the shoulder, the elbow unit enables swinging and twisting of the small arm relative to the large arm, and the wrist unit enables swinging of the wrist relative to the small arm. The rehabilitation machine adopts a circular ring wrapping structure to position key joints of a human body. The mode of combining the air cylinder with the electric push rod as a power source has good effects on the supply of the linear motion mode and the adjustability of speed and force.
However, in the above application, the wearing is complicated, and the patient needs to pass the arms through the whole set of equipment sequentially, including passing through the shoulder units, and then passing through the elbow units and the wrist units, before wearing the equipment on the arms of the patient; secondly, when the device is worn, due to the fact that the device comprises a shoulder unit, an elbow unit, a wrist unit and a connecting structure for connecting the shoulder unit, the elbow unit and the wrist unit, the elbow unit, the wrist unit and other mechanisms adopted simultaneously all adopt complete circular ring structures, a patient can only wear the device in a sleeving manner, but during rehabilitation of the patient, the patient cannot independently complete wearing under the condition of lacking assistance due to weakness of the arm.
For this purpose, the invention provides an arm training rehabilitation device.
Disclosure of Invention
In order to make up the defects of the prior art, the technical problems in the background art are solved.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to an arm training rehabilitation device, which comprises:
A big arm fixing unit clamped at the big arm of the patient;
The elbow fixing unit is clamped at the elbow of the patient and is hinged and fixed with the big arm fixing unit through the first connecting arm;
the forearm fixing unit is clamped at the forearm of the patient and is fixedly connected with the elbow fixing unit through a second connecting arm;
the elbow fixing unit and the forearm fixing unit are coaxially arranged; the arm fixing unit is also hinged with a telescopic cylinder, and the output end of the telescopic cylinder is hinged with the elbow fixing unit and is used for driving the elbow fixing unit to deflect with the arm fixing unit so as to perform bending exercise of the patient's arm;
The first connecting arm comprises a first single rod and a second single rod, and one end of the first single rod is hinged and fixed with one end of the second single rod; the other end of the first single rod is fixedly connected to the large arm fixing unit, and the other end of the second single rod is fixedly connected to the elbow fixing unit.
Preferably, the device also comprises a handle, and the handle is fixedly connected with the forearm fixing unit through an elastic band.
Preferably, the large arm fixing unit comprises a first arc clamp; a movable groove is formed in the first arc-shaped clamp; the movable groove is connected with a lock hook in a sliding way and is used for blocking the bottom of the first arc-shaped clamp; a third sliding groove is formed in one side of the inner wall of the movable groove, and a spring buckle is fixedly connected to one side corresponding to the locking hook; the spring buckle is in sliding fit with the third chute; and one end of the third sliding groove is provided with a limiting hole for fixing the spring buckle.
Preferably, the big arm fixing unit further comprises a pressure transmission mechanism; the pressure transmission mechanism comprises a bottom plate, a contact plate, a hinge rod and a second spring; the outer walls of the two ends of the bottom plate are fixedly connected with sliding rods, and the outer walls of the first arc clamps are correspondingly provided with second sliding grooves; the sliding rod is connected in the second sliding groove in a sliding way; the contact plate is hinged with the bottom plate through a hinging rod; two ends of the second spring are fixedly connected between the bottom plate and the contact plate; the inner wall of the contact plate is fixedly connected with a pressure sensor.
Preferably, the two sides of the first arc-shaped clamp are fixedly connected with arc-shaped plates, and the inner walls of the arc-shaped plates are fixedly connected with a plurality of physiological sensors for monitoring physiological information in the rehabilitation training process of patients.
Preferably, the big arm fixing unit further comprises an extrusion part for fixing the big arm of the patient by matching with the pressure transmission mechanism; a first chute is correspondingly formed in the outer wall of the first arc-shaped clamp; a limiting rod parallel to the first chute is fixedly connected to the arc-shaped plate, and the limiting rod is in sliding fit with the extrusion part; the limiting rod is sleeved with a first spring, and two ends of the first spring are fixedly connected with the arc-shaped plate and the extrusion part.
Preferably, the end part of the lock hook is fixedly connected with a handle, and the two ends of the lock hook are respectively provided with a first inclined plane and a second inclined plane; the first inclined plane is arranged at one end of the lock hook adjacent to the handle.
Preferably, the top of the first arc-shaped clamp is fixedly connected with a support, a mounting groove is formed in the support, and one end of the telescopic cylinder is hinged in the mounting groove; the top of the elbow fixing unit is fixedly connected with a connecting plate, and the connecting plate is fixedly connected with a connecting seat at the output end of the telescopic cylinder; the connecting seat is hinged and fixed with the output end of the telescopic cylinder.
Preferably, the forearm fixing unit comprises a second arc-shaped clamp, and movable arms are connected to the inner sides of two ends of the second arc-shaped clamp in a sliding manner; the top of the inner side of the movable arm is provided with a slope; the inner top of the second arc-shaped clamp is fixedly connected with a pressure receiving plate through a spring telescopic rod; the two ends of the pressure receiving plate are in sliding fit with the slope; the movable arm is connected with the inner wall of the second arc clamp in a sliding way through a spring connecting rod.
Preferably, the second connecting arm comprises an extension rod and a third single rod; the extension rod is provided with a waist round groove; one end of the third single rod is fixedly connected with a sliding block, and the sliding block is in sliding fit with the kidney-shaped groove; the extension rod is fixedly connected to the elbow fixing unit, and the other end of the third single rod is fixedly connected to the second arc-shaped clamp.
The beneficial effects of the invention are as follows:
1. According to the arm training rehabilitation device, the big arm fixing unit, the elbow fixing unit and the small arm fixing unit are clamped on the arm of a patient, so that when the arm training rehabilitation device is worn, the operation can be independently finished by the patient without the assistance of other people, and the wearing action independently finished by the patient can play a certain positive promoting effect on the nerve recovery of the palm and fingers of the patient; the latch hook slides in the first arc-shaped clamp, and when the patient clamps the rehabilitation device on the arm, the latch hook can slide to block the bottom opening of the first arc-shaped clamp, so that the big arm of the patient can be sleeved and fixed, and the rehabilitation device is prevented from being separated from the arm of the patient when the patient performs passive rehabilitation exercise;
2. According to the arm training rehabilitation device, the lock hook is matched with the pressure transmission mechanism in a sliding manner, when a patient adjusts the lock hook to enable the big arm fixing unit to be sleeved on the big arm of the patient, the pressure transmission mechanism is extruded in the sliding process of the lock hook, so that the pressure transmission mechanism is passively displaced towards the center of the first arc-shaped clamp, the pressure transmission mechanism is contacted with the skin of the patient, the big arm of the patient is tightly fixed, and meanwhile, after the first arc-shaped clamp is tightly contacted with the big arm of the patient, the physiological sensor and the nerve stimulating electrode on the arc-shaped plate are tightly attached to the skin of the patient, and therefore effective training of the arm of the patient by the rehabilitation device can be ensured.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a top view of the forearm fixing unit of the invention;
FIG. 5 is a cross-sectional view taken at A-A of FIG. 4;
fig. 6 is a perspective view of the large arm fixing unit of the present invention;
FIG. 7 is a perspective view of a first arcuate clip of the present invention;
FIG. 8 is a perspective view of the forearm fixing unit and grip of the invention;
FIG. 9 is a top view of the forearm fixing unit of the invention;
FIG. 10 is a cross-sectional view taken at B-B of FIG. 9;
FIG. 11 is a perspective view of a shackle in the present invention;
FIG. 12 is a schematic illustration of a wearable rehabilitation device;
In the figure: 1. a large arm fixing unit; 11. a first arc clamp; 111. a first chute; 112. a limit rod; 113. a first spring; 114. a second chute; 115. a third chute; 116. a movable groove; 117. a limiting hole; 12. a latch hook; 121. a handle; 122. a first inclined surface; 123. a second inclined surface; 124. a spring buckle; 13. a pressure transmission mechanism; 131. a bottom plate; 132. a contact plate; 133. a hinge rod; 134. a second spring; 14. an arc-shaped plate; 141. a physiological sensor; 15. a support; 151. a mounting groove; 16. an extrusion part; 2. an elbow fixing unit; 21. a connecting plate; 3. a forearm fixing unit; 31. a movable arm; 311. a slope; 32. a pressure receiving plate; 33. a spring telescoping rod; 34. a spring connecting rod; 35. a second arc clip; 351. an arc-shaped groove; 4. a grip; 5. a first connecting arm; 51. a first single bar; 52. a second single rod; 6. a second connecting arm; 61. an extension rod; 62. a third single bar; 63. a slide block; 7. an elastic band; 8. a telescopic cylinder; 81. and a connecting seat.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 3, an arm training rehabilitation device according to an embodiment of the present invention includes:
A forearm fixing unit 1 clamped at the forearm of the patient;
the elbow fixing unit 2 is clamped at the elbow of the patient and is hinged and fixed with the big arm fixing unit 1 through the first connecting arm 5;
The forearm fixing unit 3 is clamped at the forearm of the patient and is fixedly connected with the elbow fixing unit 2 through a second connecting arm 6;
the elbow fixing unit 2 and the forearm fixing unit 3 are coaxially arranged; the big arm fixing unit 1 is also hinged with a telescopic cylinder 8, and the output end of the telescopic cylinder 8 is hinged with the elbow fixing unit 2 and is used for driving the elbow fixing unit 2 to deflect with the big arm fixing unit 1 so as to perform bending exercise of the arm of a patient;
The first connecting arm 5 comprises a first single rod 51 and a second single rod 52, and one end of the first single rod 51 is hinged with one end of the second single rod 52; the other end of the first single rod 51 is fixedly connected to the large arm fixing unit 1, and the other end of the second single rod 52 is fixedly connected to the elbow fixing unit 2.
In the prior art, an elbow unit, a shoulder unit and a wrist unit are adopted for rehabilitation training on the arm of a patient, but based on the fact that the shoulder unit and the wrist unit in the prior art all adopt complete circular ring structures, the patient can only wear the equipment in an auxiliary way and cannot independently finish the wearing of the equipment, but in practice, most patients cannot guarantee the care of family members in passive rehabilitation training, and meanwhile, most patients are difficult to hire a worker.
When the device is specifically used, firstly, the big arm fixing unit 1 is clamped at the big arm of a patient, and then the elbow fixing unit 2 and the small arm fixing unit 3 are sequentially clamped on the elbow and the small arm of the patient; secondly, starting a telescopic cylinder 8, outputting by the telescopic cylinder 8, driving the elbow fixing unit 2 and the forearm fixing unit 1 to deflect, and bending the forearm and the forearm of a patient at the moment because the elbow fixing unit 2 and the forearm fixing unit 3 are coaxially arranged, wherein the output and the retraction frequency of the telescopic cylinder 8 are controlled, so that the arm of the patient can be passively recovered and trained; when the forearm fixing unit 1 and the elbow fixing unit 2 deflect relatively, the first single rod 51 and the second single rod 52 deflect, and in fact, the second single rod 52 rotates at the end of the first single rod 51, so that the connection effect of the forearm fixing unit 1 and the elbow fixing unit 2 during deflection is achieved.
As shown in fig. 1 to 2, the device further comprises a handle 4, and the handle 4 is fixedly connected with the forearm fixing unit 3 through an elastic band 7.
As an embodiment of the present invention, when the patient wears the rehabilitation device, the grip 4 may be additionally provided for grasping by the palm of the patient, and the grip 4 is connected to the forearm fixing unit 3 via the elastic band 7, so that the stability of the rehabilitation device can be increased when the patient performs passive rehabilitation exercise.
As shown in fig. 3 to 7 and 11, the large arm fixing unit 1 includes a first arc clamp 11; a movable groove 116 is formed in the first arc-shaped clamp 11; the movable groove 116 is slidably connected with a lock hook 12 for blocking the bottom of the first arc-shaped clamp 11; a third chute 115 is formed on one side of the inner wall of the movable slot 116, and a spring fastener 124 is fixedly connected to the corresponding side of the latch hook 12; the spring fastener 124 is in sliding fit with the third chute 115; a limiting hole 117 is formed at one end of the third chute 115 for fixing the spring fastener 124.
The rehabilitation device is fixed in a clamping manner, and in the process of passive rehabilitation exercise of a patient, excessive action amplitude is not generated, but the risk of disengaging the arm of the patient still exists, and secondary injury can be caused to the patient or the confidence of the passive rehabilitation exercise of the patient can be influenced; in view of the above problems, as another embodiment of the present invention, when the patient clamps the rehabilitation device on the arm, the lock hook 12 can also be slid to block the bottom opening of the first arc clamp 11 by sliding the lock hook 12, so that the big arm of the patient can be sleeved and fixed, and the rehabilitation device is prevented from being separated from the arm of the patient when the patient performs passive rehabilitation exercise;
When the rehabilitation device is specifically used, after the patient completely wears the rehabilitation device, the patient dials the lock hook 12 to drive the lock hook 12 to slide from the upper half part to the lower half part of the first arc clamp 11, when the lock hook 12 slides to the bottom of the first arc clamp 11, the spring buckle 124 at one end of the lock hook 12 can be clamped in the limiting hole 117, and then the opening at the bottom of the first arc clamp 11 is completely plugged, namely, under the cooperation of the first arc clamp 11 and the lock hook 12, the big arm fixing unit 1 can be sleeved and fixed at the big arm of the patient, so that the rehabilitation device is difficult to separate from the arm of the patient in the passive rehabilitation exercise process of the patient, and secondary injury to the patient is avoided.
As shown in fig. 3 to 7, the two sides of the first arc-shaped clamp 11 are fixedly connected with arc-shaped plates 14, and a plurality of physiological sensors 141 are fixedly connected to the inner walls of the arc-shaped plates 14 for monitoring physiological information in the rehabilitation training process of the patient.
When the patient carries out the passive exercise of rehabilitation, the rehabilitation device adopted in the prior art can only singly carry out the rehabilitation exercise, the physiological information change of the patient's arm can not be monitored in real time, the feedback of data can not be carried out, the output and the retraction frequency of the telescopic cylinder 8 can not be automatically regulated according to the physiological information change, and a scientific and reasonable arm rehabilitation training scheme can not be formulated for the patient.
As shown in fig. 3 to 7, the boom fixing unit 1 further includes a pressure transmission mechanism 13; the pressure transmission mechanism 13 comprises a bottom plate 131, a contact plate 132, a hinge rod 133 and a second spring 134; the outer walls of the two ends of the bottom plate 131 are fixedly connected with sliding rods, and the outer walls of the first arc clamps 11 are correspondingly provided with second sliding grooves 114; the sliding rod is slidably connected in the second sliding groove 114; the contact plate 132 is hinged with the bottom plate 131 through a hinge rod 133; two ends of the second spring 134 are fixedly connected between the bottom plate 131 and the contact plate 132; the inner wall of the contact plate 132 is also fixedly connected with a pressure sensor.
Because the big arms of different patients are different in size, the fixed-size rehabilitation device specifically refers to the big arm fixing unit 1, the big arm of the patient is difficult to fix, the big arm fixing unit 1 slides up and down on the big arm of the patient when the patient performs passive rehabilitation exercise, the deflection effect of the big arm fixing unit 1 and the elbow fixing unit 2 is influenced, namely the passive bending effect of the arm of the patient is influenced, when the patient adjusts the lock hook 12 to realize that the big arm fixing unit 1 is sheathed on the big arm of the patient, the lock hook 12 slides, the compression transmission mechanism 13 is extruded, so that the compression transmission mechanism 13 passively moves towards the center of the first arc clamp 11, the skin of the patient is contacted, the tight fixation of the big arm of the patient is realized, and meanwhile, the physiological sensor 141 and the nerve stimulation electrode on the arc plate 14 are tightly attached to the skin of the patient, and the effective training of the patient can be ensured; wherein the pressure sensor refers to a pressure sensor, which can feedback a pressure value when the contact plate 132 contacts with the skin of the patient, so as to prevent the contact plate 132 from excessively squeezing the skin of the patient to cause discomfort to the patient.
When the pressure transmission mechanism is used, when a patient adjusts the lock hook 12, the lock hook 12 slides to the bottom of the first arc clamp 11 from the top of the first arc clamp 11, and the opening at the bottom of the first arc clamp 11 is plugged, in the process, one end of the lock hook 12 contacts with one end of the bottom plate 131 and presses one end of the bottom plate 131 to lift, when the bottom plate 131 is lifted, the whole pressure transmission mechanism 13 moves towards the center of the first arc clamp 11 together because the contact plate 132 is not stressed at the moment, so that the pressure transmission mechanism is attached to the skin of the patient, in addition, in order to prevent the pressure transmission mechanism 13 from excessively moving under the pressing of the lock hook 12 with fixed size, the patient with large-size arm circumference is uncomfortable, the contact plate 132 is hinged on the bottom plate 131 through the hinge rod 133, when the pressure transmission mechanism 13 contacts with the skin of the patient, one end of the hinge rod 133 slides on the bottom plate 131, so that the distance between the contact plate 132 and the bottom plate 131 is reduced, and the second spring 134 is matched, and the fixation of the large arm part of the patient is realized.
As shown in fig. 3 to 7, the forearm fixing unit 1 further includes a pressing portion 16 for fixing a patient's forearm in cooperation with the pressure transmission mechanism 13; a first chute 111 is correspondingly arranged on the outer wall of the first arc clamp 11; a limiting rod 112 parallel to the first chute 111 is fixedly connected to the arc plate 14, and the limiting rod 112 is in sliding fit with the extrusion part 16; the limiting rod 112 is sleeved with a first spring 113, and two ends of the first spring 113 are fixedly connected with the arc-shaped plate 14 and the extrusion part 16.
In order to achieve the fixation of the forearm around the patient's forearm, in one embodiment of the invention, when the latch hook 12 is positioned at the top of the first arc-shaped clamp 11, the squeezing part 16 is far away from the center of the first arc-shaped clamp 11 through squeezing action, when the latch hook 12 slides from the top of the first arc-shaped clamp 11 to the bottom of the first arc-shaped clamp 11, the squeezing part 16 is not pressed any more, and then under the action of the first spring 113, the squeezing part 16 is displaced towards the center of the first arc-shaped clamp 11, so that the forearm around the patient's forearm can be quickly contacted, and then when the latch hook 12 squeezes the pressure transmission mechanism 13 and drives the pressure transmission mechanism 13 to displace towards the center of the first arc-shaped clamp 11, the squeezing part 16 can be squeezed by the patient's forearm, so that the patient's forearm is contacted with the physiological sensor 141 and the nerve stimulating electrode on the arc plate 14; the pressing part 16 is driven by the elastic potential energy of the first spring 113 when moving towards the center of the first arc clamp 11, and can reversely displace and contract in the first arc clamp 11 when being pressed by the patient's big arm, but the existence of the pressing part 16 can pre-fix and connect the patient's big arm, and after the patient's big arm is fixed, the pressing part 16 can be matched with the pressure transmission mechanism 13 to always clamp the patient's big arm, and buffer is applied to prevent the patient's big arm from being excessively tightly connected with the big arm fixing unit 1 to cause discomfort and abnormal physiological information of the patient; preferably, the side wall of the pressing part 16 facing the center of the first arc clamp 11 is also provided with a physiological sensor 141 and a nerve stimulating electrode.
As shown in fig. 3 to 7 and 11, a handle 121 is fixedly connected to the end of the latch hook 12, and a first inclined plane 122 and a second inclined plane 123 are respectively provided at two ends of the latch hook 12; the first inclined surface 122 is formed on one end of the latch hook 12 adjacent to the handle 121.
Since the latch hook 12 is hidden in the movable slot 116 in the first arc clamp 11, and is inconvenient to adjust, in one embodiment of the present invention, the end of the latch hook 12 is fixedly connected with the handle 121, and the handle 121 is axially parallel to the first arc clamp 11, so that the latch hook 12 is more convenient and easy to grasp when a patient slides the latch hook 12, and then, the first inclined surfaces 122 and the second inclined surfaces 123 disposed at two ends of the latch hook 12 can respectively squeeze the squeeze portion 16 to move in a direction away from the center of the first arc clamp 11, and squeeze the squeeze-press mechanism 13 to move in a direction approaching to the center of the first arc clamp 11.
As shown in fig. 2,3 and 6, the top of the first arc clamp 11 is fixedly connected with a support 15, a mounting groove 151 is formed in the support 15, and one end of the telescopic cylinder 8 is hinged in the mounting groove 151; the top of the elbow fixing unit 2 is fixedly connected with a connecting plate 21, and the connecting plate 21 is fixedly connected with a connecting seat 81 at the output end of the telescopic cylinder 8; the connecting seat 81 is hinged and fixed with the output end of the telescopic cylinder 8.
The support 15 provided by the invention is used for fixing the telescopic cylinder 8, one end of the telescopic cylinder 8 is hinged in the mounting groove 151 through the pin shaft, when the telescopic cylinder 8 outputs, the telescopic cylinder 8 can generate adaptive deflection around the pin shaft, and secondly, for convenient assembly, the output end of the telescopic cylinder 8 is indirectly fixed with the elbow fixing unit 2 through the connecting seat 81;
wherein, the elbow fixing unit 2 specifically comprises an arc-shaped casing, and the middle part of the arc-shaped casing is provided with a leather material made of elastic materials, and the elbow of the patient is attached to the leather material.
As shown in fig. 1 to 2, 8 to 10 and 12, the forearm fixing unit 3 includes a second arc-shaped clip 35, and movable arms 31 are slidably connected to inner sides of both ends of the second arc-shaped clip 35; the top of the inner side of the movable arm 31 is provided with a slope 311; the inner top of the second arc-shaped clamp 35 is fixedly connected with a pressure receiving plate 32 through a spring telescopic rod 33; the two ends of the pressure receiving plate 32 are in sliding fit with the slope 311; the movable arm 31 is slidably connected with the inner wall of the second arc-shaped clamp 35 through a spring connecting rod 34.
When the big arm fixing unit 1 is sleeved on the big arm of a patient, in order to further improve the connection tightness between the rehabilitation device and the arm of the patient, as another implementation mode of the invention, when the arm of the patient is extruded by the small arm fixing unit 3 to bend, the small arm of the patient is utilized to extrude the pressure receiving plate 32 at the inner side of the second arc-shaped clamp 35, and the pressure receiving plate 32 is utilized to radially displace and extrude the movable arms 31 at the two sides, so that the movable arms 31 at the two sides respectively slide towards the opening direction of the second arc-shaped clamp 35, thereby realizing the blocking of the opening of the second arc-shaped clamp 35 and preventing the small arm of the patient from separating from the small arm fixing unit 3 in the resetting process;
When the arm of a patient is driven by the elbow fixing unit 2 and the arm fixing unit 3, the arm of the patient can contact the pressure receiving plate 32 at the inner side of the second arc clamp 35 and press the pressure receiving plate 32 to move towards the direction close to the inner wall of the second arc clamp 35, the pressure receiving plate 32 can press the slope 311 on the movable arm 31 in the moving process, and particularly the downward slope; wherein the movable arm 31 can be reset by human power after the passive rehabilitation exercise of the patient is finished; the compression plate 32 is provided with elastic material, such as rubber blocks, at both ends thereof, which can be adaptively contracted after being compressed and restored when not being compressed.
As shown in fig. 1 to 2 and 10, the second connecting arm 6 includes an extension rod 61 and a third single rod 62; the extension rod 61 is provided with a waist round groove; a sliding block 63 is fixedly connected to one end of the third single rod 62, and the sliding block 63 is in sliding fit with the kidney-shaped groove; the extension rod 61 is fixedly connected to the elbow fixing unit 2, and the other end of the third single rod 62 is fixedly connected to the second arc clamp 35.
When the forearm fixing unit 3 is closer to the wrist of the patient, the elbow fixing unit 2 in the rehabilitation device can perform more effective exercise on the bending of the arm of the patient by matching with the forearm fixing unit 3, but the lengths of the arms of the patient are not the same, so in one embodiment of the invention, the positions of the elbow fixing unit 2 and the forearm fixing unit 3 can be adjusted by matching the extension rod 61 with the third single rod 62, so that the distance between the forearm fixing unit 3 and the elbow fixing unit 2 can be adjusted, thereby being capable of adapting to the different-length arms and improving the efficiency of the rehabilitation device on the passive rehabilitation exercise of the arm of the patient.
Working principle: in the prior art, an elbow unit, a shoulder unit and a wrist unit are adopted to carry out rehabilitation training on the arm of a patient, but based on the fact that the shoulder unit and the wrist unit in the prior art all adopt complete circular ring structures, the patient can only carry out wearing in an auxiliary way by other people when wearing, and wearing of the equipment cannot be independently completed, but in practice, most patients cannot be guaranteed to have family nurses during passive rehabilitation training, and meanwhile, most patients are difficult to hire a worker;
When the device is specifically used, firstly, the big arm fixing unit 1 is clamped at the big arm of a patient, and then the elbow fixing unit 2 and the small arm fixing unit 3 are sequentially clamped on the elbow and the small arm of the patient; secondly, starting a telescopic cylinder 8, outputting by the telescopic cylinder 8, driving the elbow fixing unit 2 and the forearm fixing unit 1 to deflect, and bending the forearm and the forearm of a patient at the moment because the elbow fixing unit 2 and the forearm fixing unit 3 are coaxially arranged, wherein the output and the retraction frequency of the telescopic cylinder 8 are controlled, so that the arm of the patient can be passively recovered and trained; when the large arm fixing unit 1 and the elbow fixing unit 2 deflect relatively, the first single rod 51 and the second single rod 52 deflect, and in fact, the second single rod 52 rotates at the end part of the first single rod 51, so that the connection effect of the large arm fixing unit 1 and the elbow fixing unit 2 during deflection is achieved; after the patient finishes wearing the rehabilitation device completely, the patient dials the lock hook 12 to drive the lock hook 12 to slide from the upper half part to the lower half part of the first arc clamp 11, when the lock hook 12 slides to the bottom of the first arc clamp 11, one end of the lock hook 12 is clamped in the limiting hole 117, and then the opening at the bottom of the first arc clamp 11 is blocked completely, namely under the cooperation of the first arc clamp 11 and the lock hook 12, the big arm fixing unit 1 can be sleeved and fixed at the big arm of the patient, so that the rehabilitation device is difficult to separate from the arm of the patient again in the passive rehabilitation exercise process of the patient, and secondary injury to the patient is avoided.
After the patient wears the rehabilitation device, and after the lock hook 12 is used for blocking the opening at the bottom of the first arc-shaped clamp 11, the skin of the big arm of the patient is clung to the physiological sensor 141, physiological parameters of the patient in the passive rehabilitation exercise process are acquired through the physiological sensor 141, data feedback is carried out with external mobile terminal equipment or a computer, then the arm rehabilitation exercise scheme is automatically formulated through the mobile terminal equipment or the computer, the duration and the effect of the arm rehabilitation exercise of the patient are optimized, and meanwhile, a nerve stimulation electrode can be arranged on the inner wall of the arc-shaped plate 14, current stimulation is carried out on the arm of the patient when the arm of the patient is subjected to the passive rehabilitation exercise, the physiological activity of the arm of the patient is improved, and the recovery efficiency and the recovery quality of the arm of the patient are improved.
When the patient adjusts the latch hook 12, the latch hook 12 slides to the bottom of the first arc clamp 11 from the top of the first arc clamp 11, and the opening at the bottom of the first arc clamp 11 is plugged, in the process, one end of the latch hook 12 contacts with one end of the bottom plate 131 and presses one end of the bottom plate 131 to lift, when the bottom plate 131 is lifted, the whole pressure transmission mechanism 13 is displaced towards the center of the first arc clamp 11 together because the contact plate 132 is not stressed at the moment, so as to be attached to the skin of the patient, in addition, in order to prevent the pressure transmission mechanism 13 from excessively displacing under the pressing of the latch hook 12 with a fixed size, the patient with a large size is uncomfortable, the contact plate 132 is hinged on the bottom plate 131 through the hinge rod 133, when the pressure transmission mechanism 13 contacts with the skin of the patient, one end of the hinge rod 133 slides on the bottom plate 131, so that the distance between the contact plate 132 and the bottom plate 131 is reduced, and the second spring 134 is matched, and the fixation of the large arm of the patient is realized.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. An arm training rehabilitation device comprising:
A big arm fixing unit (1) clamped at the big arm of the patient;
The elbow fixing unit (2) is clamped at the elbow of the patient and is hinged and fixed with the big arm fixing unit (1) through the first connecting arm (5);
The forearm fixing unit (3) is clamped at the forearm of the patient and is fixedly connected with the elbow fixing unit (2) through the second connecting arm (6);
The method is characterized in that:
The elbow fixing unit (2) and the forearm fixing unit (3) are coaxially arranged; the large arm fixing unit (1) is also hinged with a telescopic air cylinder (8), and the output end of the telescopic air cylinder (8) is hinged with the elbow fixing unit (2) and is used for driving the elbow fixing unit (2) to deflect with the large arm fixing unit (1) so as to perform bending exercise of the arm of a patient;
The first connecting arm (5) comprises a first single rod (51) and a second single rod (52), and one end of the first single rod (51) is hinged with one end of the second single rod (52); the other end of the first single rod (51) is fixedly connected to the large arm fixing unit (1), and the other end of the second single rod (52) is fixedly connected to the elbow fixing unit (2);
The device also comprises a handle (4), and the handle (4) is fixedly connected with the forearm fixing unit (3) through an elastic band (7);
The big arm fixing unit (1) comprises a first arc-shaped clamp (11); a movable groove (116) is formed in the first arc-shaped clamp (11); the movable groove (116) is connected with a lock hook (12) in a sliding way and is used for blocking the bottom of the first arc-shaped clamp (11); a third chute (115) is formed on one side of the inner wall of the movable groove (116), and a spring fastener (124) is fixedly connected to one side corresponding to the lock hook (12); the spring buckle (124) is in sliding fit with the third chute (115); one end of the third chute (115) is provided with a limiting hole (117) for fixing the spring buckle (124);
the two sides of the first arc-shaped clamp (11) are fixedly connected with arc-shaped plates (14), and the inner walls of the arc-shaped plates (14) are fixedly connected with a plurality of physiological sensors (141) for monitoring physiological information in the rehabilitation training process of a patient;
The big arm fixing unit (1) further comprises a pressure transmission mechanism (13); the pressure transmission mechanism (13) comprises a bottom plate (131), a contact plate (132), a hinge rod (133) and a second spring (134); the outer walls of the two ends of the bottom plate (131) are fixedly connected with sliding rods, and the outer walls of the first arc clamps (11) are correspondingly provided with second sliding grooves (114); the sliding rod is connected in the second sliding groove (114) in a sliding way; the contact plate (132) is hinged with the bottom plate (131) through a hinge rod (133); two ends of the second spring (134) are fixedly connected between the bottom plate (131) and the contact plate (132); the inner wall of the contact plate (132) is fixedly connected with a pressure sensor;
The big arm fixing unit (1) further comprises an extrusion part (16) for fixing the big arm of the patient by matching with the pressure transmission mechanism (13); a first chute (111) is correspondingly formed in the outer wall of the first arc-shaped clamp (11), a limiting rod (112) parallel to the first chute (111) is fixedly connected to the arc-shaped plate (14), and the limiting rod (112) is in sliding fit with the extrusion part (16); the limiting rod (112) is sleeved with a first spring (113), and two ends of the first spring (113) are fixedly connected with an arc-shaped plate (14) and an extrusion part (16);
a handle (121) is fixedly connected to the end part of the lock hook (12), and a first inclined plane (122) and a second inclined plane (123) are respectively arranged at the two ends of the lock hook (12); the first inclined surface (122) is arranged at one end of the lock hook (12) adjacent to the handle (121);
The top of the first arc-shaped clamp (11) is fixedly connected with a support (15), a mounting groove (151) is formed in the support (15), and one end of the telescopic cylinder (8) is hinged in the mounting groove (151); the top of the elbow fixing unit (2) is fixedly connected with a connecting plate (21), and the connecting plate (21) is fixedly connected with a connecting seat (81) at the output end of the telescopic cylinder (8); the connecting seat (81) is hinged and fixed with the output end of the telescopic cylinder (8);
the forearm fixing unit (3) comprises a second arc-shaped clamp (35), and movable arms (31) are connected to the inner sides of two ends of the second arc-shaped clamp (35) in a sliding manner; a slope (311) is arranged at the top of the inner side of the movable arm (31); the inner top of the second arc-shaped clamp (35) is fixedly connected with a pressure receiving plate (32) through a spring telescopic rod (33); the two ends of the pressure receiving plate (32) are in sliding fit with the slope (311); the movable arm (31) is connected with the inner wall of the second arc-shaped clamp (35) in a sliding way through a spring connecting rod (34);
The second connecting arm (6) comprises an extension rod (61) and a third single rod (62); the extension rod (61) is provided with a waist round groove; one end of the third single rod (62) is fixedly connected with a sliding block (63), and the sliding block (63) is in sliding fit with the kidney-shaped groove; the extension rod (61) is fixedly connected to the elbow fixing unit (2), and the other end of the third single rod (62) is fixedly connected to the second arc-shaped clamp (35).
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| CN202410305116.XA CN117898914B (en) | 2024-03-18 | 2024-03-18 | Arm training rehabilitation device |
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| CN202410305116.XA CN117898914B (en) | 2024-03-18 | 2024-03-18 | Arm training rehabilitation device |
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