CN215459888U - Hand joint movement device with power assisting function - Google Patents

Abstract

The utility model relates to a power-assisted hand joint locomotory apparatus, which comprises an arm part, a finger part capable of automatically resetting and a controller, wherein the finger part comprises a thumb part, an index finger part, a middle finger part, a ring finger part and a little finger part, an electric motor is arranged in an electric motor storage chamber, a driving wire is wound on an output shaft of the electric motor and is formed by winding five groups of independent silk threads, a branching block is also arranged on the arm part, the driving wire is divided into five independent lines through the branching block and is respectively connected to connecting pieces on the thumb part, the index finger part, the middle finger part, the ring finger part and the little finger part, limbs can be actively driven to train, so that the atrophy of muscles of the hand part and the neurogenic edema caused by lymphatic reflux disorder of the hand part can be prevented, the cerebral cortex function recovery can be stimulated through the movement in the early stage of recovery, and the muscle tension can be improved, the contraction activities of the logistic exercise can reduce the muscle tension and avoid the waste of the limb functions.

Description

Hand joint movement device with power assisting function

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a power-assisted hand joint activity device.

Background

Stroke, also known as stroke, refers to a rapid progression of loss of brain function due to an obstructed blood supply to the brain. 80% of strokes are ischemic strokes, which are caused by cerebral blood supply insufficiency, brain tissue dysfunction and necrosis, and can be caused by four reasons: thrombosis, embolism, systemic insufficiency and venous thrombosis. Mild symptoms may be present at the beginning of stroke, such as: hypomnesis, decline of receptivity (hearing, vision, etc.), unconsciousness, abnormal behavior, serious consequences and irreversible damage to patients can be caused if the patients are not treated properly as soon as possible, so the treatment of the early stage of stroke is important.

After the brain of a patient is damaged after stroke, the functions of limbs are damaged, particularly, the recovery of the hand functions is slowest, even 50% of patients cannot recover the hand functions for the whole life, long-term exercise is not in place in the later period, and permanent waste is formed.

Disclosure of Invention

The purpose of the utility model is as follows: the utility model aims to provide a power-assisted hand joint activity device aiming at the defects of the prior art, which comprises an arm part, finger parts and a controller, wherein the finger parts can be automatically reset, the arm part and the finger parts are connected through pure cotton cloth, the finger parts comprise a thumb part, an index finger part, a middle finger part, a ring finger part and a little finger part, a group of connecting pieces are fixedly sleeved outside the finger joints of the thumb part, two groups of connecting pieces are fixedly sleeved at the finger joints of the index finger part, the middle finger part, the ring finger part and the little finger part, an electric motor storage chamber is arranged on the surface of the arm part, an electric motor is arranged in the electric motor storage chamber, a driving wire is wound on an output shaft of the electric motor, the driving wire is formed by winding five groups of light steel wires, a branching block is further arranged on the arm part, the driving wire is divided into five independent wires through the branching block and is respectively connected to the thumb part, A connecting piece on the index finger part, the middle finger part, the ring finger part and the little finger part.

Further, the basic unit of finger portion sets up to EPP expanded polypropylene material, just the surface coating of finger portion basic unit has the wearing layer, just the finger portion is the curved district form of nature when not wearing.

Further, the inner diameter of the arm part is changed linearly, a sponge pad is fixedly mounted inside the arm part, and the arm part is communicated with the finger part.

Furthermore, an inlet is formed in one side of the branching block, an outlet is formed in the other side of the branching block, five groups of outlets are arranged, the outlets are arranged at equal intervals, and the inlet is communicated with the outlets of the five groups.

Further, a lithium battery compartment has been seted up to the inside of arm portion, install the lithium cell in the lithium battery compartment, lithium cell and electric motor electric connection, just lithium cell storehouse apron is installed to the surface joint in lithium battery compartment.

Further, the arm portion is provided with the interface that charges, the interface that charges sets up to TYPE-C interface, just interface and lithium battery compartment electric connection charge.

Further, the surface mounting of arm portion has the display screen, display screen and lithium cell electric connection, just for parallelly connected setting between display screen and the electric motor.

Further, the controller is connected with the electric motor through an electric signal.

Compared with the prior art, the utility model has the beneficial effects that:

the electric motor is controlled by the controller, the finger part is in a natural bending area shape under a normal state, the electric motor drives the connecting sheet on the finger part to straighten the finger part before wearing, the finger part is worn after straightening, the finger part can automatically reset to the bending area state due to the performance of materials after wearing, and the controller sets parameters to perform periodic stretching bending area movement, so that the hand muscle atrophy is prevented.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a branching block according to the present invention;

FIG. 3 is a schematic structural diagram of a controller according to the present invention;

FIG. 4 is a schematic structural diagram according to a second embodiment of the present invention;

fig. 5 is a schematic structural diagram of a third embodiment of the present invention.

In the figure: 1. a hand portion; 2. a finger portion; 3. an electric motor storage compartment; 5. driving a wire; 6. a branching block; 7. an inlet; 8. an outlet; 9. a lithium battery compartment cover plate; 10. a charging interface; 11. a display screen; 12. a controller; 201. a thumb portion; 202. a digit portion; 203. a middle finger portion; 204. a ring finger; 205. a small thumb part; 206. and (7) connecting the sheets.

Detailed Description

The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.

Example 1: a power-assisted hand joint activity device comprises an arm part 1, a finger part 2 and a controller 12, wherein the finger part 2 can be automatically reset, the arm part 1 is connected with the finger part 2 through pure cotton cloth, the finger part 2 is divided into a thumb part 201, an index finger part 202, a middle finger part 203, a ring finger part 204 and a little finger part 205, a base layer of the finger part 2 is made of EPP foamed polypropylene materials, a wear-resistant layer is coated on the surface of the base layer of the finger part 2, and the finger part 2 is in a natural bending area shape when not worn;

the arm part 1 is a plastic shell, the inner diameter of the arm part 1 is changed linearly, a spongy cushion is fixedly arranged inside the arm part 1, the arm part 1 is communicated with the finger part 2, and the spongy cushion can be worn by a patient more comfortably;

a group of connecting pieces 206 are fixedly sleeved on the outer sides of the finger joints of the thumb part 201, the connecting pieces 206 are designed by referring to aviation clothes and are nested in a shrimp tail shape, and the phenomenon of hand clamping cannot occur when the connecting pieces are bent;

two groups of connecting pieces 206 are fixedly sleeved at the joints of the index finger part 202, the middle finger part 203, the ring finger part 204 and the little finger part 205, an electric motor storage chamber 3 is arranged on the surface of the arm part 1, an electric motor is installed in the electric motor storage chamber 3, and the controller 12 is connected with the electric motor through electric signals;

a driving wire 5 is wound on an output shaft of the electric motor, the driving wire 5 is formed by winding five groups of independent steel wires, a branching block 6 is further mounted on the arm part 1, an inlet 7 is formed in one side of the branching block 6, an outlet 8 is formed in the other side of the branching block 6, five groups of outlets 8 are arranged on the outlets 8, the five groups of outlets 8 are arranged at equal intervals, and the inlet 7 is communicated with the five groups of outlets 8;

the driving wire 5 is divided into five separate steel wires by the wire dividing block 6 and is connected to the connecting pieces 206 on the thumb part 201, the index finger part 202, the middle finger part 203, the ring finger part 204 and the small thumb part 205 respectively;

the interior of the arm part 1 is provided with a lithium battery bin, a lithium battery is installed in the lithium battery bin, the lithium battery can be used for 2-3 hours according to different modes after charging, the lithium battery is electrically connected with the electric motor, a lithium battery bin cover plate 9 is installed on the surface of the lithium battery bin in a clamping mode, the arm part 1 is provided with a charging interface 10, the charging interface 10 is set to be a TYPE-C interface, and the charging interface 10 is electrically connected with the lithium battery bin;

the display screen 11 is arranged on the surface of the arm part 1, the display screen 11 is electrically connected with the lithium battery, the display screen 11 can display the movement time and the movement amount and can be simply adjusted, and the display screen 11 and the electric motor are arranged in parallel;

the electric motor is controlled by the controller 12, the finger part 2 is in a natural bending area shape under a normal state, the connecting sheet 206 on the finger part 2 is driven by the electric motor to straighten the finger part 2 before wearing, the finger part is worn after straightening, the finger part can automatically reset to the state of the bending area due to the performance of materials after wearing, the controller 12 is used for setting parameters to periodically stretch the bending area to move, the wearing is convenient, after the hand is paralyzed, an exoskeleton is arranged outside the hand to simulate the function of hand tendons, the design is carried out according to physiology, and the limb can be actively driven to train, so that the hand muscle atrophy and the neurogenic edema caused by the lymphatic reflux disorder of the hand can be prevented, the rehabilitation cortex can be stimulated by the movement in the early stage of rehabilitation, the muscle tension is improved, the brain muscle contraction activity during the logistic movement can be relieved, and the functional waste of the limb can be avoided;

example 2: (see FIG. 4):

the electric motor is arranged externally, a winding wheel is fixedly arranged on an output shaft of the electric motor, a hook for hanging the driving wire 5 is integrally formed on the winding wheel, the hook is arranged into a U-shaped structure, and the driving wire 5 is tied into a dead buckle for use;

example 3:

the scheme of the built-in lithium cell of cancellation arm portion, the power adopts external design, connects a data line through the arm portion, and the interface 10 that charges is connected to the other end of data line, can supply power with treasured or the charger that charges like this, provides more power supply selections of patient, reduces the weight of forearm, more conveniently wears.

The second embodiment and the third embodiment are both improved solutions of the first embodiment, because after the upper wall of the patient with true hemiplegia is paralyzed, the weight of the limb causes great pressure to the patient, and then excessive weight is added, which can cause negative effects and make the patient resist treatment.

As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (8)

1. The utility model provides a helping hand joint activity ware, includes arm portion (1), finger portion (2) and controller (12) that can reset automatically, its characterized in that: arm portion (1) and finger portion (2) are connected through pure cotton cloth, finger portion (2) divide into thumb portion (201), forefinger portion (202), middle finger portion (203), third finger portion (204) and little finger portion (205), the fixed a set of connection piece (206) of cup jointing in the knuckle department outside of thumb portion (201), the knuckle department of forefinger portion (202), middle finger portion (203), third finger portion (204) and little finger portion (205) all is fixed two sets of connection pieces (206) of cup jointing, the surface of arm portion (1) is equipped with electric motor storeroom (3), install electric motor in electric motor storeroom (3), the winding has drive wire (5) on electric motor's the output shaft, drive wire (5) are formed by the winding of light steel wire line, still install branch line block (6) on arm portion (1), the driving wire (5) is divided into five independent wires by the wire dividing block (6) and is respectively connected to the connecting pieces (206) on the thumb part (201), the index finger part (202), the middle finger part (203), the ring finger part (204) and the small thumb part (205).

2. A power assisted hand joint mobilizer according to claim 1 in which: the basic unit of finger portion (2) sets up to EPP expanded polypropylene material, just the surface coating of finger portion (2) basic unit has the wearing layer, just finger portion (2) are the curved district form of nature when not wearing.

3. A power assisted hand joint mobilizer according to claim 2 in which: the inner diameter of the arm part (1) is changed linearly, a spongy cushion is fixedly mounted inside the arm part (1), and the arm part (1) is communicated with the finger part (2).

4. A power assisted hand joint mobilizer according to claim 3 in which: import (7) have been seted up to one side of separated time piece (6), just export (8) have been seted up to the opposite side of separated time piece (6), just export (8) are provided with five groups, and five groups be the equidistance setting between export (8), import (7) and five groups export (8) communicate each other.

5. The power assisted hand joint mobilizer according to claim 4, wherein: lithium cell storehouse has been seted up to the inside of arm portion (1), install the lithium cell in the lithium cell storehouse, lithium cell and electric motor electric connection, just lithium cell storehouse apron (9) are installed to the surface joint in lithium cell storehouse.

6. The power assisted hand joint mobilizer according to claim 5, wherein: arm portion (1) is provided with interface (10) that charges, interface (10) that charges sets up to TYPE-C interface, just interface (10) and lithium cell storehouse electric connection charge.

7. The power assisted hand joint mobilizer according to claim 6, wherein: the surface mounting of arm portion (1) has display screen (11), display screen (11) and lithium cell electric connection, just for parallelly connected setting between display screen (11) and the electric motor.

8. A power assisted hand joint mobilizer according to claim 7 in which: the controller (12) is connected with the electric motor through an electric signal.

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