CN111329639B - Seat is corrected to hemiplegia patient position of sitting - Google Patents

Abstract

The invention discloses a sitting posture correcting seat for hemiplegia patients, which relates to the technical field of medical equipment. The table board is slidably arranged on the side of the two armrests of the seat that are close to each other, and one end of the table board close to the cushion is provided with a first groove, and the shape of the first groove matches the shape of the patient's chest; the buttocks support mechanism , embedded in the interior of the seat plate, which can lift up the patient's buttocks; the seat can limit the patient's torso through the cushion and the first groove on the table board, correct the patient's sitting posture, and the buttocks support mechanism It can hold up the patient's buttocks, which is convenient to change the patient's sitting posture, saving time and effort.

Description

A posture correction chair for hemiplegia patients

technical field

The invention belongs to the technical field of medical devices, and more particularly, relates to a sitting posture correction chair for hemiplegia patients.

Background technique

Cerebrovascular accident has become a major killer of human beings, and the number of hemiplegic patients has continued to increase. The affected limbs of hemiplegic patients are inconvenient, and wheelchairs have become a necessary tool for most hemiplegic patients. The paralyzed side stretches the legs, the paralyzed hand hangs on the side of the wheelchair, the patient's body slides down from the wheelchair and there is a risk of falling. Moreover, if the patient sits on the wheelchair in one sitting position for too long, it will cause bedsores; therefore, the patient's sitting position needs to be changed, and the patient's position on the wheelchair is extremely difficult to change, requiring family members to place their hands under the patient's armpits , It is time-consuming and laborious for the patient's family to operate.

SUMMARY OF THE INVENTION

The purpose of the present invention is to aim at the deficiencies in the prior art, to provide a sitting posture correction chair for hemiplegia patients, which can limit the position of the patient's torso through the cushion and the first groove on the table, correct the sitting posture of the patient, and in addition The buttock lift mechanism can lift the patient's buttocks to facilitate changing the patient's sitting posture, saving time and effort.

In order to achieve the above object, the present invention provides a sitting posture correction chair for hemiplegia patients, comprising:

The back cushion is vertically arranged on the front side of the seat back, the lower end is rotatably connected with the seat plate, and a driving mechanism is provided on one side of the lower end of the back cushion;

The table board is slidably arranged on the side of the two armrests of the seat that are close to each other, and one end of the table board close to the back cushion is provided with a first groove, and the shape of the first groove matches the shape of the patient's chest. ;

The buttocks lifting mechanism is embedded in the seat plate and can lift the patient's buttocks upwards.

Optionally, it also includes a knee limiting mechanism, including:

a sliding rod, one end of which is penetrated inside the seat plate, and is slidingly matched with the seat plate;

a limit plate, connected with the other end of the sliding rod, two second grooves are provided on the side of the limit plate close to the seat plate, and the shape of the second grooves is the same as that of the patient's knee Matchingly, a sponge layer is arranged in the second groove.

Optionally, one side of the seat plate is provided with a first set screw, which can fix the sliding rod inside the seat plate.

Optionally, a first sponge pad is disposed on the front side of the back cushion, and the thickness of the upper end of the first sponge pad is greater than the thickness of the lower end.

Optionally, each side of the two armrests close to each other is provided with a chute, the table board is slidably arranged in the chute, and one side of the armrest is provided with a second set screw, which can The table board is fixed in the chute.

Optionally, the lower end of the cushion is provided with a rotating shaft, and the driving mechanism includes:

a drive motor, arranged on one side of the seat plate;

In the reducer, the input end is connected with the output end of the drive motor, and the output end is connected with the rotating shaft.

Optionally, a second sponge pad is provided on the upper side of the table top.

Optionally, a round rod is provided on the upper side of the table board, and the round rod is mounted on the table board through a mounting bracket.

Optionally, the buttock holding mechanism includes:

a support plate, which is embedded on the upper side of the seat plate, and the upper surface of the support plate is flush with the upper surface of the seat plate;

an air cylinder, the telescopic end is connected with the lower side of the pallet;

A cylinder mounting frame is connected with the support feet of the seat, and the shell end of the cylinder is mounted on the cylinder mounting frame.

Optionally, the lower end of the foot of the seat is provided with a locking universal wheel, and the upper end of the seat back is provided with a handle.

The invention provides a sitting posture correction chair for hemiplegia patients, and its beneficial effects are:

1. The seat can limit the patient's torso through the cushion and the first groove on the table, correct the patient's sitting posture, and prevent the patient from tilting after sitting down;

2. The seat has a buttock lift mechanism, which can lift the patient's buttocks, which is convenient for changing the patient's sitting posture. With the knee limit mechanism, the patient can stand up while supporting the patient's knee, saving time when the patient changes the sitting posture. Effort;

3. A second sponge pad and a round rod are arranged on the table board of the chair. After the patient sits down, they can place their arms on the second sponge pad, and lift the patient's hands up to avoid the shoulders from falling and retreating. At the same time, the second sponge pad keeps the wrist in a dorsiflexed position to prevent long-term compression and damage to the ulnar nerve. The patient can hold the round rod in his hand to prevent the patient's forearm from hanging forward.

Other features and advantages of the present invention will be described in detail in the detailed description that follows.

Description of drawings

The above and other objects, features and advantages of the present invention will become more apparent from the more detailed description of the exemplary embodiments of the present invention in conjunction with the accompanying drawings, wherein the same reference numerals generally represent the exemplary embodiments of the present invention. same parts.

Fig. 1 shows a schematic structural diagram of a sitting posture correction chair for hemiplegia patients according to an embodiment of the present invention.

Fig. 2 shows a schematic top view structure of a sitting posture correction chair for hemiplegia patients according to an embodiment of the present invention.

Fig. 3 shows a schematic structural diagram of a knee limiting mechanism of a sitting posture correction seat for hemiplegia patients according to an embodiment of the present invention.

Description of reference numbers:

1. Cushion; 2. Seat back; 3. Seat plate; 4. Driving mechanism; 5. Table plate; 6. Armrest; 7. First groove; 8. Hip support mechanism; 9. Sliding rod; 10. Limit plate; 11, second groove; 12, first set screw; 13, first sponge pad; 14, second set screw; 15, rotating shaft; 16, drive motor; 17, reducer; 18 , Second sponge pad; 19, round rod; 20, mounting frame; 21, pallet; 22, cylinder; 23, cylinder mounting frame; 24, feet; 25, universal wheel with lock; 26, handle.

Detailed ways

Preferred embodiments of the present invention will be described in more detail below. While the preferred embodiments of the present invention are described below, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the present invention to those skilled in the art.

The present invention provides a sitting posture correction chair for hemiplegia patients, comprising:

The back cushion is vertically arranged on the front side of the seat back, the lower end is rotatably connected with the seat plate, and one side of the lower end of the back cushion is provided with a driving mechanism;

The table board is slidably arranged on the side of the two armrests of the seat that are close to each other, and one end of the table board close to the back cushion is provided with a first groove, and the shape of the first groove matches the shape of the patient's chest;

The buttocks holding mechanism is embedded in the inside of the seat plate, and can lift up the buttocks of the patient.

Specifically, the table board is slidably matched with the two armrests of the seat, which facilitates the removal of the table board and facilitates the patient to sit on the seat. The setting of the first groove can cooperate with the cushion to fix the patient's chest, so as to avoid the inclination of the patient's sitting posture. , correct the patient's sitting posture; the rotatable cushion is used together with the buttocks support mechanism, which can facilitate the patient to change the sitting posture. When the patient needs to change the sitting posture, rotate the cushion, the upper end of the cushion moves forward, pushes the patient's upper body forward, and the center of gravity moves forward. At the same time, the buttock holding mechanism holds up the patient's buttocks, so that the patient can achieve the action of getting up, and it is convenient for the patient to change the sitting posture.

Optionally, it also includes a knee limiting mechanism, including:

a sliding rod, one end of which is penetrated inside the seat plate, and is slidingly matched with the seat plate;

The limit plate is connected with the other end of the sliding rod. The side of the limit plate close to the seat plate is provided with two second grooves. The shape of the second grooves is matched with the shape of the patient's knee. A sponge layer is provided.

Specifically, the positions of the two second grooves correspond to the positions of the knees when the patient is sitting, and the sliding rod is inserted into the seat plate, the second grooves can limit the position of the patient's knees, and the setting of the sponge layer can improve the Patient comfort.

Optionally, one side of the seat plate is provided with a first set screw, which can fix the sliding rod inside the seat plate.

Optionally, the front side of the back cushion is provided with a first sponge pad, and the thickness of the upper end of the first sponge pad is greater than the thickness of the lower end.

Specifically, the thickness of the upper end of the first sponge pad is greater than the thickness of the lower end, so that the patient's waist will not be too arched when sitting, the patient's sitting posture is corrected, and the patient's back is more comfortable.

Optionally, a chute is provided on each side of the two armrests close to each other, the table board is slidably arranged in the chute, and one side of the armrest is provided with a second set screw, which can fix the table board in the chute.

Specifically, the table board is slidingly matched with the armrest through the chute, and the table board can be easily pulled out or removed. When the table board needs to be used to position the patient's chest, the table board can be fixed by the second set screw.

Optionally, the lower end of the cushion is provided with a rotating shaft, and the driving mechanism includes:

The drive motor is arranged on one side of the seat plate;

In the reducer, the input end is connected with the output end of the drive motor, and the output end is connected with the rotating shaft.

Specifically, the drive motor drives the rotating shaft to rotate through the reducer, which in turn drives the cushion to rotate, so that the upper end of the cushion can be moved forward, so that the patient's center of gravity is moved forward, which is convenient for the patient to change the sitting posture.

Optionally, a second sponge pad is provided on the upper side of the table board.

Specifically, the second sponge pad can be set in two pieces, which are respectively set at the position where the patient's arm is placed, and the patient's arm is placed on the second sponge pad to prevent the shoulder from falling and retreating, and at the same time, the patient's wrist joint can be placed on the back Flexion to prevent long-term compression damage to the ulnar nerve.

Optionally, a round rod is provided on the upper side of the table board, and the round rod is mounted on the table board through a mounting bracket.

Specifically, the patient can hold the round bar by hand to avoid the patient's forearm hanging forward.

Optionally, the hip support mechanism includes:

The supporting plate is embedded on the upper side of the seat plate, and the upper surface of the supporting plate is flush with the upper surface of the seat plate;

The cylinder, the telescopic end is connected with the lower side of the pallet;

The cylinder mounting bracket is connected with the feet of the seat, and the shell end of the cylinder is mounted on the cylinder mounting bracket.

Specifically, the telescopic end of the air cylinder can be extended to drive the support plate to move, and then lift the patient's buttocks to move upward, and cooperate with the knee limiting mechanism to realize the patient's getting up action and facilitate the patient to change the sitting posture.

Optionally, the lower end of the foot of the seat is provided with a caster with a lock, and the upper end of the seat back is provided with a handle.

Specifically, the handle and the locking universal wheel are arranged to facilitate the movement of the chair and the patient.

Example

As shown in Figures 1 to 3, the present invention provides a sitting posture correction chair for hemiplegia patients, including:

The back cushion 1 is vertically arranged on the front side of the seat back 2, the lower end is rotatably connected with the seat plate 3, and the lower end side of the back cushion 1 is provided with a driving mechanism 4;

The table board 5 is slidably arranged on the side of the two armrests 6 of the seat that are close to each other. One end of the table board 5 close to the back cushion 1 is provided with a first groove 7, and the shape of the first groove 7 is matched with the shape of the patient's chest. ;

The buttocks holding mechanism 8 is embedded in the seat plate 3 and can hold up the buttocks of the patient.

In this embodiment, a knee limiting mechanism is also included, including:

One end of the sliding rod 9 is inserted into the interior of the seat plate 3, and is slidingly matched with the seat plate 3;

The limit plate 10 is connected with the other end of the sliding rod 9, and the side of the limit plate 10 close to the seat plate 3 is provided with two second grooves 11, the shape of the second grooves 11 is matched with the shape of the patient's knee , a sponge layer is arranged in the second groove 11 .

In this embodiment, a first set screw 12 is provided on one side of the seat plate 3 , which can fix the sliding rod 9 inside the seat plate 3 .

In this embodiment, a first sponge pad 13 is disposed on the front side of the back cushion 1 , and the thickness of the upper end of the first sponge pad 13 is greater than the thickness of the lower end.

In this embodiment, the two handrails 6 are provided with sliding grooves on the sides close to each other, the table board 5 is slidably arranged in the sliding grooves, and one side of the handrail 6 is provided with a second set screw 14, which can fix the table board 5 Fixed in the chute.

In this embodiment, the lower end of the cushion 1 is provided with a rotating shaft 15, and the driving mechanism 4 includes:

The drive motor 16 is arranged on one side of the seat plate 3;

The input end of the reducer 17 is connected with the output end of the driving motor 16 , and the output end is connected with the rotating shaft 15 .

In this embodiment, a second sponge pad 18 is provided on the upper side of the table top 5 .

In this embodiment, a round rod 19 is provided on the upper side of the table board 5 , and the round rod 19 is mounted on the table board through the mounting bracket 20 .

In this embodiment, the buttocks supporting mechanism 8 includes:

The support plate 21 is embedded on the upper side of the seat plate 3, and the upper surface of the support plate 21 is flush with the upper surface of the seat plate 3;

The cylinder 22, the telescopic end is connected with the lower side of the support plate 21;

The cylinder mounting frame 23 is connected with the support feet 24 of the seat, and the shell end of the cylinder 22 is mounted on the cylinder mounting frame 23 .

In the present embodiment, the lower end of the foot 24 of the seat is provided with a locking universal wheel 25 , and the upper end of the seat back 2 is provided with a handle 26 .

To sum up, when the seat for hemiplegic patients is used, the table board 5 is pulled out and removed from the chute, the sliding rod 9 and the limit plate 10 are pulled out and removed from the seat plate 3, and the patient sits on the seat. Then insert the table board 5 into the chute, so that the first groove 7 is close to the patient's chest, and use the second set screw 14 to fix the table board 5, through the cushion 1 and the table board 5 The first groove 7 limits the patient's torso to prevent the patient from leaning in the sitting position. Insert the sliding rod 9 into the seat plate 3 so that the second groove 11 on the limiting board 10 is aligned with the patient's knee, fix the sliding rod 9 and the limiting board 10 by turning the first set screw 12, and use the second The grooves 11 limit the position of the patient's knee. The patient's arm is placed on the second sponge pad 18 on the table board 5, and the patient's hands are lifted up to prevent the shoulder from falling and retreating. If the ulnar nerve is damaged by compression, the patient can hold the round rod 19 in his hand to avoid the patient's forearm hanging forward. After the patient sits on the chair in one sitting position for a period of time, it is necessary to change the sitting posture of the patient to avoid the occurrence of bedsores. At this time, the driving motor 16 is started, and the driving motor 16 drives the rotating shaft 15 and the cushion 1 to rotate through the reducer 17, Push the upper end of the patient's torso to move forward, so that the center of gravity of the patient moves forward, and at the same time activate the air cylinder 22, the telescopic end of the air cylinder 22 extends to drive the support plate 21 to move up, hold up the patient's buttocks, and cooperate with the knee limit mechanism to adjust the patient's knee. The limit is so that the patient can get up, and it is convenient for the patient to change the sitting posture.

Various embodiments of the present invention have been described above, and the foregoing descriptions are exemplary, not exhaustive, and not limiting of the disclosed embodiments. Numerous modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims (7)

1. A sitting posture correcting chair for hemiplegic patients, comprising:

the backrest is vertically arranged on the front side of the seat backrest, the lower end of the backrest is rotatably connected with the seat plate, and a driving mechanism is arranged on one side of the lower end of the backrest;

the table plate is arranged on one side, close to each other, of the two armrests of the seat in a sliding mode, a first groove is formed in one end, close to the back cushion, of the table plate, and the shape of the first groove is matched with the shape of the chest outline of a patient;

the hip supporting mechanism is embedded in the seat board and can upwards support the hip of the patient;

still include knee stop gear, include:

one end of the sliding rod penetrates through the seat plate and is in sliding fit with the seat plate;

the limiting plate is connected with the other end of the sliding rod, two second grooves are formed in one side, close to the seat plate, of the limiting plate, the shapes of the second grooves are matched with the shapes of the knees of the patient, and sponge layers are arranged in the second grooves;

a first spongy cushion is arranged on the front side of the back cushion, and the thickness of the upper end of the first spongy cushion is larger than that of the lower end of the first spongy cushion;

the buttock-supporting mechanism includes:

the supporting plate is embedded on the upper side of the seat plate, and the upper surface of the supporting plate is flush with the upper surface of the seat plate;

the telescopic end of the cylinder is connected with the lower side of the supporting plate;

the air cylinder mounting frame is connected with the support legs of the seat, and the shell end of the air cylinder is mounted on the air cylinder mounting frame;

when the patient needs to change the sitting posture, the back cushion is rotated, the upper end of the back cushion moves forwards to push the upper body of the patient to tilt forwards, the gravity center moves forwards, and meanwhile, the hip supporting mechanism supports the hip of the patient, so that the patient can get up.

2. A chair for correcting the sitting posture of a hemiplegic patient according to claim 1, wherein a first set screw is provided at one side of said seat plate, capable of fixing said sliding bar inside said seat plate.

3. The sitting posture correcting chair for the hemiplegic patient as claimed in claim 1, wherein one side of the two armrests close to each other is provided with a sliding groove, the table plate is slidably disposed in the sliding groove, and one side of the armrests is provided with a second set screw capable of fixing the table plate in the sliding groove.

4. A chair for correcting the sitting posture of a hemiplegic patient according to claim 1, wherein a rotation shaft is provided to the lower end of the back cushion, and the driving mechanism comprises:

the driving motor is arranged on one side of the seat plate;

and the input end of the speed reducer is connected with the output end of the driving motor, and the output end of the speed reducer is connected with the rotating shaft.

5. The sitting posture correcting chair for hemiplegic patients as claimed in claim 1, wherein a second sponge cushion is arranged on the upper side of the table plate.

6. A sitting posture correcting chair for hemiplegic patients according to claim 1, wherein a round bar is provided on the upper side of said table, and said round bar is mounted on said table by means of a mounting frame.

7. A sitting posture correcting chair for hemiplegic patients according to claim 1, wherein the lower ends of the legs of the chair are provided with universal wheels with locks, and the upper end of the backrest of the chair is provided with a handle.

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