TWI646955B - A gait training device for a mild hemiplegic patient - Google Patents

Abstract

The invention provides a gait training device for a mild hemiplegia patient, comprising: a base, a seat portion, two first linkage rods and two second linkage rods. The base has a front side and a rear side. The front side of the seat portion is pivotally connected to the front side of the base and is for a patient to ride. The two first linkage rods are respectively disposed on two sides of the seat portion, and each of the first linkage rods has a first position and a second position, and the first position is pivotally connected to the seat portion. Each of the second linkage rods has a third position and a fourth position, the third position of the second linkage rod is pivotally connected to the second position of the first linkage rod, and the fourth position of the second linkage rod is It is pivotally connected to the rear side of the base. By moving the first linkage rod, the second linkage rod is interlocked to move the seat portion upward relative to the base.

Description

Gait trainer for patients with mild hemiplegia

The invention relates to a gait training device for a mild hemiplegia patient, in particular to a gait training device for a lower limb walking rehabilitation for a patient with upper limbs still having athletic ability, and the utility model has the advantages of light weight, convenient storage, and patient and care. They are all easy to use.

In recent years, the number of patients with hemiplegia has continued to grow in various countries, and many auxiliary devices for patients with hemiplegia have been continuously developed and promoted.

However, the currently available auxiliary devices that help the patients who prefer to practice walking are not popular. The reason is that, for the caregiver and the patient, first of all, the auxiliary equipment for practicing the walking of the marketed hemiplegic patients is not easy to be stored in the rear compartment of the general passenger car, and the storage space of more than seven seats is sufficient; The auxiliary equipment for practicing hemiplegia is mostly electric, which is not only expensive tens of thousands, hundreds of thousands of Taiwan dollars, but also burdens patients and caregivers due to the heavy weight of the battery used, so the patient As far as the caregiver is concerned, it has a great impact on the economic cost and daily living or going out. In addition, the currently available hemiplegic patients who practice walking are required to be cared for by the caregiver, and the patient cannot be used independently, so that the caregiver also bears a lot of psychological pressure.

In addition, the structure of the conventional standing type wheelchair is mostly that the lifting structure is arranged in the seat. Under the less labor-saving device, even if it is powered by electric force, the lifting structure still makes the electric energy consumption extremely fast, so it is also in need of improvement.

Therefore, in order to further improve the aforementioned problems, the present invention has been produced.

The object of the present invention is to provide a patient who is light in weight, low in manufacturing cost, convenient to store, does not need a battery, and is convenient for the upper limbs to have exercise ability, can use the lower limbs to rehabilitate on their own, and prevent the patient from falling backward or in use. A gait trainer with insufficient safety and dangerous safety considerations.

To achieve the foregoing objective, the present invention provides a gait trainer for use in a mildly hemiplegic patient, comprising: a base having a front side and a rear side; and a seat portion having front ends of the front side attached to the base The two ends of the side are pivoted and are for a patient to ride; the two first linkage rods are respectively disposed on two sides of the seat portion, and each of the first linkage rods has a first position and a second position, the first a first position of a linkage rod is pivotally connected to the seat portion; two second linkage rods, each second linkage rod has a third position and a fourth position, and the third position of the second linkage rod is The second position of the first linkage rod is pivotally connected, and the fourth position of the second linkage rod is pivotally connected to the rear side of the base; thereby moving the first linkage rod to interlock the second linkage rod, thereby The seat portion is tilted upwardly relative to the base.

In an embodiment, the method further includes two anti-reciprocating ratchets, each of the anti-reciprocating ratchets being disposed at a pivotal position of the third position of the second linkage rod and the second position of the first linkage rod.

In an embodiment, the method further includes a linkage assembly, wherein the linkage assembly includes a first linkage and a second linkage, the first linkage has a first end and a second end, and the second linkage The piece has a third end and a fourth end, and the first end of the first linking member is coupled to the bottom The front end of the first pivoting member is pivotally connected to the third end of the second linking member; the first linking member is located between the seat portion and the first linking rod, and The first position of the first linkage rod is pivotally connected to the seat portion; the first linkage member has an extension portion located between the first end and the second end of the first linkage member and The seat portion is slidably coupled; the seat portion has a seat back that is pivotally coupled to the fourth end of the second linkage; thereby, when the first linkage rod is moved, the second linkage rod is caused Simultaneously, when the seat portion moves upward relative to the base, the linkage assembly is caused to tilt the seat back rearward.

In an embodiment, the seat portion further includes a folding structure, and two sides of the folding structure are respectively connected to two sides of the seat portion for folding the seat portion. In implementation, the utility model further comprises a telescopic connecting rod, wherein the two ends of the connecting rod are respectively pivotally connected to the first position of each of the first linking rods, and each of the first linking rods can be lifted in synchronization. In the implementation, the device further includes a telescopic device, wherein the base further comprises a left half body and a right half body, and two sides of the telescopic device are respectively connected to the left half body and the right half body for retracting the base.

In an embodiment, the seat portion is further provided with a stop for blocking the front side of the patient.

In one embodiment, a plurality of wheels are disposed beneath the base.

1‧‧‧Base

11,12,13‧‧‧Flexing device

121‧‧‧Air pressure device, hydraulic device

2‧‧‧Seat department

21‧‧‧stops

211‧‧‧ trench

3, 3'‧‧‧ first linkage

31, 31’‧‧‧ first position

32, 32’‧‧‧ second position

321‧‧‧ anti-ratchet

4, 4'‧‧‧Second linkage

41, 41’‧‧‧ third position

42, 42’ ‧ ‧ fourth position

5‧‧‧ Connecting rod

6‧‧‧ linkage components

61‧‧‧First linkage

611‧‧‧ first end

612‧‧‧ second end

613, 615‧‧‧ extensions

614‧‧‧ pivotal

62‧‧‧Second linkage

621‧‧‧ third end

622‧‧‧ fourth end

7‧‧‧Back of the chair

A, a‧‧‧ half body

B‧‧‧Right half

B‧‧‧left half

X1, X2‧‧‧ rod body

1 is a structural exploded view of an embodiment of a gait trainer for use in a mild hemiplegia patient of the present invention.

Fig. 2 is a side elevational view of the embodiment of the gait trainer for use in a mild hemiplegia patient of the present invention in a seat state.

Figure 3 is another example of the gait trainer for use in patients with mild hemiplegia according to the present invention. A schematic of an embodiment.

Figure 4 is a side elevational view of an embodiment of the gait trainer for use in patients with mild hemiplegia of the present invention.

Figure 5 is a side elevational view of the embodiment of the gait trainer for use in a mild hemiplegia patient of the present invention in an erect condition.

Figure 6 is a side elevational view of another embodiment of the gait trainer for use in a mild hemiplegia patient of the present invention in an erect condition.

Figure 7 is a front elevational view of the embodiment of the gait trainer for use in a mild hemiplegia patient of the present invention in an expanded state.

Figure 8 is a front elevational view of the embodiment of the gait trainer for use in a mild hemiplegia patient of the present invention in a collapsed state.

In the following, the same reference numerals are used to refer to the same or equivalent elements in the drawings.

Please refer to FIG. 1 , which illustrates an embodiment of a gait trainer for use in a mild hemiplegia patient of the present invention, comprising: a base 1, a seat portion 2, and two first linkage rods 3, 3'; The second linkage rod 4, 4'. The base 1 has a front side and a rear side. A seat portion 2 is pivotally connected to both ends of the front side of the base 1 and is for a patient to ride. The seat portion 2 includes a seat back 7. Further, the two first linkage rods 3, 3' are respectively disposed on two sides of the seat portion 2, and each of the first linkage rods 3, 3' has a first position 31, 31' and a second position 32, 32', the first positions 31, 31' of the first linkage rods 3, 3' are pivotally connected to the seat portion 2, respectively.

Please continue to refer to the first figure, two second linkage rods 4, 4', each second linkage rod 4, 4' has a third position 41, 41' and a fourth position 42, 42', and the third position 41 of the second linkage rod 4 is pivotally connected to the second position 32 of the first linkage rod 3, and the The fourth position 42 of the second linkage rod 4 is pivotally connected to the rear side of the base 1. The first positions 31, 31' of the two first linkage rods 3, 3' are pivotally connected by a connecting rod 5, which is a telescopic or general rod, and the two first linkage rods 3 are The purpose of pivoting the first positions 31, 31' to each other is to allow the two first linkage rods 3, 3' to move on the same plane when lifted (ie, to be lifted synchronously), thereby allowing It is more convenient for patients to use. In another embodiment, the two sides of the seat portion 2 can also be pivotally connected to the first positions 31, 31' of the two first linkage bars 3, 3' by a connecting portion (not shown). Therefore, referring to FIG. 2, when the patient moves the first linkage rod 3 upward (arrow direction), the third position 41 of the second linkage rod 4 and the first linkage rod 3 The pivotal position of the second position 32 is a fulcrum, and the second linkage rod 4 is interlocked by the lever principle, so that the seat portion 2 is tilted upward relative to the base 1. It should be noted that, in the embodiment of FIG. 1 , the position of the patient's weight applied to the first linkage rod 3 is the first position 31 of the first linkage rod 3, and the patient is the first linkage rod. The force application point of 3 is the rear side of the first linkage rod 3, and the ratio of the force applying arm to the force receiving arm is about 2:1, so the patient can save about half of the force. In another embodiment, the ratio of the force arm to the force arm can also be adjusted by the patient or manufacturer depending on the desired effort. Therefore, the patient can easily lift the body in a labor-saving manner by the structure of the present invention.

Further, in order to prevent the patient from lifting the first interlocking lever 3 upward, the first interlocking lever 3 is moved upward due to a sudden lack of force, and the patient is caused to fall backward. Or the risk of sitting too fast, the present invention further includes two anti-ratchets 321 (as shown in FIG. 1), and each anti-return ratchet 321 (the other not shown) is disposed in the third of the second linkage rods. a pivotal position of the second position of the first linkage rod, such that the first linkage rod 3 is raised In order to be irreversible, the anti-return ratchet 321 can maintain the erect state between the first linkage rod 3 and the second linkage rod, thereby improving the overall safety of the present invention, even if the patient suddenly loses power during use.

Referring to FIG. 3, the seat portion 2 of the present invention is further provided with a stopping portion 21 for blocking, so that when the gait training device of the present invention is in an upright state, it is blocked before the patient. On the side, the stop portion in this embodiment is for blocking the hip portion of the patient, and the patient is prevented from being separated from the seat surface of the seat portion 2 when the gait trainer of the present invention is in the upright state. In another embodiment, referring to FIG. 3, the base 1 of the present invention may be provided with a plurality of wheels, and the type and size of the wheels may be determined according to the needs of the patient, and the wheels may be provided with a brake. The brake device makes the gait trainer of the present invention a movable gait trainer or an upright wheelchair. In addition, the base 1 of the present invention may also be provided with a detachable foot pad. In an embodiment, the seat portion 2 is provided with a squat support and a directional grip (not shown). In another embodiment, the seat portion 2 is provided with a protector (not shown) such as a devil stain for the abdomen.

Referring to FIG. 4, the gait trainer of the present invention further includes a linkage assembly 6; and the seat portion further has the seat back 7, which is for the patient's backrest. The linkage assembly 6 includes a first linkage member 61 and a second linkage member 62. The first linkage member 61 has a first end 611 and a second end 612. The second linkage member 62 has a third end 621. And a fourth end 622. The first end 611 of the first linking member 61 is pivotally connected to the front side of the base 1 , and the second end 612 of the first linking member 61 is pivotally connected to the third end 621 of the second linking member 62 . The fourth end 622 of the linkage member 62 is pivotally connected to the extension portion 615 of the seat back 7. In another embodiment, the fourth end 622 of the second linkage member 62 is directly pivotally connected to the seat back 7. The first linkage member 61 is located between the seat portion 2 and the first linkage rod 3, and is pivotally connected to the first position 31 of the first linkage rod 3 and the seat portion 2 (pivoted to a pivot) Connection 614).

Referring to FIG. 4 , the first linking member 61 has an extending portion 613 , and the extending portion 613 is located between the first end 611 and the second end 612 of the first linking member 61 , and the extending portion 613 . The seat portion 2 is slidably coupled by a groove 211. Therefore, referring to FIG. 5, when the patient moves the first linkage rod 3, the second linkage rod 4 is interlocked, and when the seat portion 2 moves upward relative to the base 1, the The interlocking assembly 6 (the first linking member 61 and the second linking member 62) causes the seat back 7 to gradually tilt rearward. Therefore, when the gait trainer of the present invention is in an upright state, the seat back 7 is tilted rearward by the action of the linkage assembly 6, so that the patient's head and back also have abutment. When the gait trainer of the present invention is to be returned to the seat state, the first linkage rod 3 is moved downward to interlock the linkage assembly 6, and the seat back 7 is returned to the original position via the linkage of the linkage assembly 6. Let the patient's head and back still have abutment. In another embodiment, referring to FIG. 6, the second linkage rod 4 and the rear side of the base 1 further have a pneumatic device or a hydraulic device 121, so that the patient can lift the first linkage rod 3 more effortlessly. .

Referring to Figure 7, the seat portion 2 is a foldable person. In another embodiment, the seat portion 2 includes a folding structure, and two sides of the folding structure are respectively connected to two sides of the seat portion 2 for folding the seat portion 2. In an embodiment, the folding structure comprises two halves A, a movable relative to each other. In another embodiment, the seat portion 2 may also be composed of two or more parts (such as three parts, etc.) It can be folded or folded. The two halves A and a are connected by mutually intersecting rods X1 and X2, and the rods X1 and X2 are pivotally connected at intersections with each other. In another embodiment, the seat portion 2 may further include at least one telescopic device (not shown), so that the half portions of the seat portion 2 are moved away from or close to each other, thereby the seat portion 2 to fold. Similarly, the base 1 is a foldable person. The base 1 includes two right half bodies B and one left half body b which are mutually movable, and in another implementation In the example, the base 1 can also be folded by two or more parts (such as three parts, etc.). The right half B and the left half b are connected to each other by at least one telescopic device, so that the right half B of the base 1 and the left half b move away from or close to each other, thereby The base 1 is folded. In the embodiment of Fig. 7 of the present invention, the right half B and the left half b are connected by three telescopic devices 11, 12, 13 so that the lower side and the rear side of the base 1 are stabilized. Referring to the embodiment of FIG. 8, the gait trainer of the present invention first loosens the three telescopic devices 11, 12, 13 and the connecting rod 5 (with a telescopic function) during folding, and then the base 1 The two sides are pressed in the inward direction (arrow), and the right half B of the base 1 and the left half b press the half bodies A, a of the seat portion 2, and the base 1 and the The seat portion 2 is folded. Furthermore, the present invention contemplates the convenience of the patient and his caregiver, all of the structures of the present invention are made of a light metal or alloy such as aluminum, and the total weight is as low as 20 kg or less.

Therefore, the present invention has the following advantages:

1. The gait trainer of the present invention is extremely light (less than 20 kg), so that the burden on the patient and the caregiver can be minimized, and the folding can be stored left and right, which is convenient for placing the rear compartment of the general passenger car, and is convenient to carry and store. .

2. The invention does not require complicated electric devices and does not require a heavy and expensive battery, and effectively reduces the economic burden of regular maintenance or fault repair, and the production cost is low, so that the patient is willing to purchase and use.

3. The operation of the present invention is simple and convenient, so that patients with mild hemiplegia can have limited operation on their own, without relying entirely on the caregiver to maintain the patient's self-esteem.

4. The invention can be modified into an upright wheelchair, allowing patients with mild hemiplegia to have limited freedom of movement and limited standing on their own, so that patients with mild hemiplegia can live at home and go out. It is more convenient.

5. The mechanism design of the invention in the aspect of lifting makes the patient extremely labor-saving, and effectively overcomes the problem that the mechanism design of the conventional technology for lifting is extremely expensive. In other words, the present invention can also be modified to add an electric device such as a battery, etc., in conjunction with the mechanism design of the present invention for lifting, and it is apparent that the performance of the mechanism design of the conventional technology for lifting is greatly improved.

The above is a specific embodiment of the present invention and the technical means employed, and many variations and modifications can be derived therefrom based on the disclosure or teachings herein. The function shall not be considered to be within the technical scope of the present invention, and it shall be considered in the technical scope of the present invention.

According to the above disclosure, the present invention can achieve the intended purpose of the invention, and provides a gait training device for patients with mild hemiplegia. The value of industrial utilization and utility is undoubted, and the invention patent application is filed according to law.

Claims (8)

A gait training device for a mildly hemiplegic patient includes: a base having two front ends and two rear ends; a seat portion having a front end pivotally connected to the front end of the base and for a patient to ride Two first linkage rods are respectively disposed on two sides of the seat portion, each first linkage rod has a first position and a second position, and the first position of the first linkage rod is coupled to the seat a second pivoting rod; each of the second linking rods has a third position and a fourth position, and the third position of the second linking rod is pivotally connected to the second position of the first linking rod And the fourth position of the second linkage rod is pivotally connected to one of the two rear ends of the base; thereby moving the first linkage rod to interlock the second linkage rod, so that the seat portion is opposite to the seat portion The base moves up obliquely. A gait trainer for use in a mildly hemiplegic patient, as described in claim 1, further comprising two anti-ratchets, each of the anti-reciprocating ratchets being disposed at a third position of the second linkage rod and the first The pivotal position of the second position of the linkage. The gait trainer for use in a mildly hemiplegic patient, as described in claim 1, further comprising a linkage assembly, the linkage assembly comprising a first linkage and a second linkage, the first linkage The first linking member has a first end and a second end, the second linking member has a third end and a fourth end; wherein the base further includes two front ends that are not pivotally connected to the seat portion; the first linking member The first end is pivotally connected to one of the two front ends of the base that is not pivotally connected to the seat portion, and the second end of the first linking member is pivotally connected to the third end of the second linking member; a first linkage is located between the seat portion and the first linkage rod, and a first position of the first linkage rod and the seat portion a pivoting portion; the first linking member has an extending portion between the first end and the second end of the first linking member and slidably coupled to the seat portion; the seat portion has a chair a back, the back of the chair is pivotally connected to the fourth end of the second linkage; thereby, when the first linkage is moved, the second linkage will be linked, and then the seat portion is moved upward relative to the base When the linkage assembly is driven, the seat back is tilted rearward. The gait trainer for use in a mildly hemiplegic patient, as described in claim 1, wherein the seat portion further includes a folding structure, and two sides of the folding structure are respectively connected to the seat portion On the side, the seat portion is folded. The gait trainer for use in a mildly hemiplegic patient, as described in claim 4, further comprising a retractable connecting rod, wherein the two ends of the connecting rod are respectively pivotally connected to each of the first linking rods Position, for each first linkage rod can be lifted in parallel. The gait trainer for use in a mildly hemiplegic patient, as described in claim 4 or 5, further comprising a telescopic device, wherein the base further comprises a left half body and a right half body, the telescopic device The two sides are respectively connected to the left half body and the right half body for folding the base. A gait trainer for use in a mildly hemiplegic patient, as described in claim 1, wherein the seat portion is further provided with a stop for blocking the front side of the patient. A gait trainer for use in a mildly hemiplegic patient, as described in claim 1, wherein a plurality of wheels are disposed under the base.