CN110584959A

CN110584959A - Walking stick and acoustic control system are assisted to gait freezes

Info

Publication number: CN110584959A
Application number: CN201910880540.6A
Authority: CN
Inventors: 张利丽; 王晓平; 董靖德
Original assignee: Nanjing Brain Hospital
Current assignee: Nanjing Brain Hospital
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2019-12-20

Abstract

The invention discloses a freezing gait auxiliary crutch and a sound control system. The bottom end of the main crank is fixed with a screw, the bottom end of the screw is provided with a pressure sensor, and the pressure sensor is connected with the control module. The bottom end of the screw rod is in threaded connection with a threaded sleeve, and a buffer spring is arranged inside the threaded sleeve. The sound control system designed by the invention comprises a control module and a voice module, wherein a pressure sensor transmits a pressure signal to the control module, a PLC (programmable logic controller) controls the opening of the voice module, and the voice module sends out a voice signal, such as password voice of 'one, two, one' and the like or walking guide, so that the voice module gives auditory impact to a patient and assists walking, and can stimulate the patient to take a step more quickly; meanwhile, the design of the buffer spring can reduce the reaction force of the crutch on the arm of the patient when leaning on the crutch, reduce the uncomfortable feeling of the arm, reduce the vibration feeling generated by the collision of the crutch and the ground due to the buffer function, and relieve the body fatigue.

Description

Walking stick and acoustic control system are assisted to gait freezes

Technical Field

The invention relates to the field of a frozen gait auxiliary crutch, in particular to a frozen gait auxiliary crutch and a sound control system.

Background

The frozen gait is a sudden gait disorder, which is characterized in that effective steps cannot be generated within a short time, starting cannot be started during starting, stepping instability and breaking steps during turning are often realized, the walking is usually only continued for several seconds, and patients often need to try for many times to temporarily overcome the disorder to form effective steps, and the symptoms are usually seen in the advanced stage of Parkinson's disease, Parkinson's superposition syndrome and the like.

In the prior art, a frozen gait symptom patient needs to use a walking stick when walking, but the walking cannot be started frequently, and for the frozen gait symptom, the existing drug therapy sometimes cannot well relieve the symptom, so that the daily life of the patient is influenced, the potential safety hazard is caused, and the nursing burden is increased for family members;

meanwhile, most of the existing walking sticks are composed of a handle and a main crutch, when the walking sticks walk, the acting force of the walking sticks on the arms of patients causes discomfort of the arms, and the walking sticks collide with the ground to generate vibration, so that the body fatigue is caused.

Disclosure of Invention

In order to solve the defects mentioned in the background technology, the invention aims to provide a frozen gait auxiliary crutch and a voice control system, the voice control system designed by the invention comprises a control module and a voice module, a pressure sensor transmits a pressure signal to the control module, a PLC controller controls the starting of the voice module, and the voice module sends out a voice signal, such as password voice of 'one, two, one' and the like or walking guide, so that the auditory impact is given to a patient to assist walking, and the patient can be stimulated to take a step more quickly;

meanwhile, the design of the buffer spring can reduce the reaction force of the crutch on the arm of the patient when leaning on the crutch, reduce the uncomfortable feeling of the arm, reduce the vibration feeling generated by the collision of the crutch and the ground due to the buffer function, and relieve the body fatigue.

The purpose of the invention can be realized by the following technical scheme:

a walking stick for assisting a frozen gait comprises a handle, wherein one side of the bottom end of the handle is provided with a groove matched with fingers, the side end of the groove is provided with a connecting rod fixed at the bottom end of the handle, and the bottom end of the connecting rod is provided with a supporting rod.

A first cavity is formed in the handle, a battery is installed in the first cavity, and a plug is installed at the side end of the first cavity.

The support rod is internally provided with a second cavity, the inside of the second cavity is respectively provided with a control module and a voice module, the bottom end of the support rod is fixedly provided with a telescopic rod, and the side end of the telescopic rod is provided with a plurality of connecting holes distributed in an array manner.

The bottom end of the supporting rod is provided with a main crutch, the top of the main crutch is provided with a third cavity, one side of the third cavity, which is close to the top, is provided with a threaded hole, and a fastening bolt is connected in the threaded hole in a threaded manner.

The bottom end of the main crank is fixedly provided with a screw, the bottom end of the screw is provided with a fourth cavity, a pressure sensor is arranged in the fourth cavity, and the pressure sensor is connected with the control module.

The screw rod bottom threaded connection has the thread bush, and thread bush bottom is opened there is spacing hole, and thread bush bottom is equipped with the supporting pad, and the supporting pad upper end is equipped with and spacing hole sliding connection's adaptation pole, and adaptation pole upper end is equipped with the connecting plate.

The connecting plate is arranged in the threaded sleeve, and a buffer spring is arranged inside the threaded sleeve.

Furthermore, the plug is matched and fixedly connected with the connecting groove at the side end of the handle through a connecting bulge arranged at the side end.

Furthermore, the third cavity and the telescopic rod are in clearance fit.

Further, the fastening bolts and the connecting holes are concentrically distributed.

Further, the buffer spring is arranged between the pressure sensor and the connecting plate.

Further, when the buffer spring is in a maximum compression state, the upper end surface of the supporting pad is contacted with the bottom end surface of the threaded sleeve.

The acoustic control system of the walking stick is assisted by freezing gait, and comprises a control module and a voice module which are arranged in the second cavity, wherein the control module comprises a PLC (programmable logic controller), and a pressure sensor arranged in the fourth cavity transmits a pressure signal to the PLC.

Furthermore, the control module and the voice module are connected with a battery.

The invention has the beneficial effects that:

1. the voice control system is arranged in the crutch and comprises a control module and a voice module, wherein a pressure sensor arranged at the bottom end of a main crutch transmits a pressure signal to the control module, when the pressure reaches a threshold value set by a PLC (programmable logic controller), the PLC controls the voice module to be started, and the voice module sends a voice signal, such as password voice of 'one, two, one' and the like or walking guide, so that auditory impact is given to a patient, walking is assisted, and the patient can be stimulated to take a step more quickly;

2. according to the walking stick, the supporting pad is arranged at the bottom end of the main stick, the buffer spring is arranged at the upper end of the supporting pad, a patient walks by leaning on the stick, and the buffer spring is designed to reduce the reaction force of the walking stick on the arm of the patient when leaning on the stick, so that the discomfort of the arm is reduced; meanwhile, the buffer function can reduce the vibration sense generated by the collision between the crutch and the ground, and reduce the body fatigue.

Drawings

The invention will be further described with reference to the accompanying drawings.

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

FIG. 2 is a schematic view of the handle grip and support bar of the present invention;

FIG. 3 is a cross-sectional view of the handle grip and support pole of the present invention;

FIG. 4 is an exploded view of the main crutch configuration of the present invention;

FIG. 5 is a schematic cross-sectional view of the main crutch configuration of the present invention;

FIG. 6 is an enlarged schematic view taken at A of FIG. 4 in accordance with the present invention;

FIG. 7 is an enlarged schematic view of the invention at B of FIG. 5;

fig. 8 is a flow chart of the operation of the voice control system of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

A freezing gait auxiliary crutch and a sound control system are shown in figures 1 and 2 and comprise a handle 1, wherein one side of the bottom end of the handle 1 is provided with a groove 11 matched with fingers, so that the walking crutch is convenient to grip. The side end of the groove 11 is provided with a connecting rod 12 fixed at the bottom end of the handle 1, and the bottom end of the connecting rod 12 is provided with a supporting rod 2.

As shown in fig. 2 and 3, a first cavity 13 is formed inside the handle grip 1, and the battery 3 is mounted in the first cavity 13. The end plug 14 is installed at the side end of the first cavity 13, and the end plug 14 is matched and fixedly connected with the connecting groove at the side end of the handle 1 through the connecting protrusion 1401 arranged at the side end.

The inside second cavity 21 that has opened of bracing piece 2, inside control module 4 and the voice module 5 of installing respectively of second cavity 21, control module 4 includes the PLC controller, and control module 4, voice module 5 all are connected with battery 3, and battery 3 is its power supply. The bottom end of the support rod 2 is fixed with a telescopic rod 22, and the side end of the telescopic rod 22 is provided with a plurality of connecting holes 2201 distributed in an array.

As shown in fig. 1, 4 and 5, the bottom end of the support rod 2 is provided with a main crutch 6, the top of the main crutch 6 is provided with a third cavity 61 which is in clearance fit with the telescopic rod 22, one side of the third cavity 61 close to the top is provided with a threaded hole 6101, the threaded hole 6101 is internally threaded connected with a fastening bolt 62, the fastening bolt 62 and the connecting hole 2201 are concentrically distributed, the fastening bolt 62 is connected with different connecting holes 2201, and then the fastening bolt 62 is screwed, so that the overall height of the main crutch 6 can be adjusted, and the overall height of the crutch suitable for a patient can be adjusted.

As shown in fig. 4, 5, 6 and 7, a screw 63 is fixed at the bottom end of the main crank 6, a fourth cavity 6301 is opened at the bottom end of the screw 63, a pressure sensor 7 is installed in the fourth cavity 6301, and the pressure sensor 7 is connected with the control module 4, so that the pressure sensor 7 can transmit a pressure signal to the PLC controller conveniently.

Threaded sleeve 64 is connected with to screw 63 bottom screw thread, and threaded sleeve 64 bottom is opened has spacing hole 6401, and threaded sleeve 64 bottom is equipped with the supporting pad 65 with ground contact, and the supporting pad 65 upper end is equipped with the adaptation pole 6501 with spacing hole 6401 sliding connection, and adaptation pole 6501 upper end is equipped with connecting plate 6502, and connecting plate 6502 sets up in threaded sleeve 64.

The threaded sleeve 64 is internally provided with a buffer spring 66, the buffer spring 66 is arranged between the pressure sensor 7 and the connecting plate 6502, and the pressure sensor 7 is subjected to pressure when the buffer spring 66 is compressed.

When the buffer spring 66 is in the maximum compression state, the upper end surface of the support pad 65 contacts with the bottom end surface of the threaded sleeve 64, and the support pad 65 is prevented from colliding with the threaded sleeve 64.

A voice control system comprises a control module 4 and a voice module 5 which are arranged in a second cavity 21, wherein the control module 4 comprises a PLC (programmable logic controller), a pressure sensor 7 arranged in a fourth cavity 6301 transmits a pressure signal to the PLC, when the pressure reaches a threshold value set by the PLC, the PLC controls the voice module 5 to be started, and the voice module 5 sends a voice signal, such as password voice of 'one or two one' and the like or walking guide, so that auditory impact is given to a patient to assist walking;

when the pressure is lower than the threshold value set by the PLC controller, the patient starts to walk at the moment, and the PLC controller controls the voice module 5 to be closed.

Before use, the main crutch is connected with different connecting holes 2201 through the fastening bolt 62, and then the fastening bolt 62 is screwed, so that the overall height of the main crutch 6 is adjusted, and the overall height of the crutch suitable for a patient is convenient to adjust.

When the crutch is used, a patient walks by leaning on the crutch, and the design of the buffer spring 66 can reduce the reaction force of the crutch on the arm of the patient when leaning on the crutch, so that the discomfort of the arm is reduced; meanwhile, the buffer function can reduce the vibration sense generated by the collision between the crutch and the ground, and reduce the body fatigue.

When a patient generates a frozen gait, the patient cannot walk, the patient leans on the crutch with both hands at the moment, the buffer spring 66 is in a maximum compression state, the pressure sensor 7 receives the pressure of the buffer spring 66, the pressure sensor 7 transmits a pressure signal to the PLC, and the PLC controls the voice module to generate a voice signal to stimulate the patient and achieve the purpose of assisting walking.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential 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, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims

1. A walking stick assisting in freezing gait comprises a handle (1) and is characterized in that a groove (11) matched with fingers is formed in one side of the bottom end of the handle (1), a connecting rod (12) fixed to the bottom end of the handle (1) is arranged at the side end of the groove (11), and a supporting rod (2) is mounted at the bottom end of the connecting rod (12);

a first cavity (13) is formed in the handle (1), a battery (3) is installed in the first cavity (13), and a plug (14) is installed at the side end of the first cavity (13);

a second cavity (21) is formed in the supporting rod (2), a control module (4) and a voice module (5) are respectively installed in the second cavity (21), a telescopic rod (22) is fixed at the bottom end of the supporting rod (2), and a plurality of connecting holes (2201) distributed in an array are formed in the side end of the telescopic rod (22);

the bottom end of the support rod (2) is provided with a main crank (6), the top of the main crank (6) is provided with a third cavity (61), one side of the third cavity (61) close to the top is provided with a threaded hole (6101), and the threaded hole (6101) is internally threaded with a fastening bolt (62);

a screw rod (63) is fixed at the bottom end of the main crutch (6), a fourth cavity (6301) is formed in the bottom end of the screw rod (63), a pressure sensor (7) is installed in the fourth cavity (6301), and the pressure sensor (7) is connected with the control module (4);

the bottom end of the screw rod (63) is in threaded connection with a threaded sleeve (64), a limiting hole (6401) is formed in the bottom end of the threaded sleeve (64), a supporting pad (65) is arranged at the bottom end of the threaded sleeve (64), an adapting rod (6501) in sliding connection with the limiting hole (6401) is arranged at the upper end of the supporting pad (65), and a connecting plate (6502) is arranged at the upper end of the adapting rod (6501);

the connecting plate (6502) is arranged in the threaded sleeve (64), and a buffer spring (66) is arranged inside the threaded sleeve (64).

2. The walking stick as claimed in claim 1, wherein the plug (14) is fixedly connected with the connecting protrusion (1401) arranged at the side end of the handle bar (1) through the connecting groove at the side end of the handle bar.

3. The frozen gait assistive crutch of claim 1, characterized in that the third cavity (61) and the telescoping rod (22) are in a clearance fit.

4. The frozen gait assistive crutch of claim 1, characterized in that the fastening bolt (62) and the attachment hole (2201) are concentrically distributed.

5. The frozen gait assistive crutch of claim 1, characterized in that the buffer spring (66) is disposed between the pressure sensor (7) and the connecting plate (6502).

6. The frozen gait assistive crutch of claim 1, characterized in that an upper end surface of the support pad (65) and a lower end surface of the threaded sleeve (64) are in contact when the cushioning spring (66) is in a state of maximum compression.

7. The voice-controlled system of a walking stick with frozen gait assistance according to claim 1, characterized by comprising a control module (4) and a voice module (5) arranged in the second cavity (21), the control module (4) comprising a PLC controller, and a pressure sensor (7) arranged in the fourth cavity (6301) transmitting a pressure signal to the PLC controller.

8. The voice-controlled system of a walking stick with frozen gait assistance according to claim 7, characterized in that the control module (4) and the voice module (5) are connected with a battery (3).