KR102337525B1 - Shoes for fall accident prevention and walk correcting - Google Patents

Abstract

body part; an outsole unit coupled to a lower portion of the main body and receiving a sensor module therein; The insole is seated on the upper surface of the insole, and a motion estimation unit for measuring the movement of the foot according to the walking motion is installed; and a short-distance communication module disposed on any one of the main body and the outsole, for transmitting and receiving wireless signals.

Description

SHOES FOR FALL ACCIDENT PREVENTION AND WALK CORRECTING}

The present invention relates to a shoe that measures a gait motion and gait state of a user using a sensor and provides correction information on a fall and gait motion to the user through this.

Recently, the number of people with physical disabilities has increased due to the aging of the population and the occurrence of various accidents. In addition, the risk of a fall accident may increase if the snow that fell in winter freezes and forms an icy road due to seasonal factors. This can provide sufficient friction to the shoe to prevent falls to some extent. However, when a fall accident occurs, there is a problem in that it cannot function, such as notifying a guardian, a medical institution, and the like. In addition, there is a need for a user to further correct this by monitoring whether his/her walking motion is correct while wearing the shoe, whether the shoe worn according to the walking motion is appropriate, and the like.

Looking at the prior literature, various shoes have been proposed and published to solve this problem, but there were problems in that errors in prediction and detection of fall risk were frequent and reliability was low. In addition, the prior art has various problems, such as a high cost in order to select a suitable shoe along with correction for one's own gait motion.

Republic of Korea Public Utility Model No. 20-2018-0002406 Republic of Korea Patent Registration No. 10-1244389 (Registered on March 11, 2013) Republic of Korea Patent Registration No. 10-1179618 (Registered on August 29, 2012)

The embodiment of the present invention has been devised to solve the above problems, and it is possible to accurately measure the movement of the foot according to the gait motion, and for preventing a fall accident and for correcting the gait that can provide high reliability for the fall determination We want to provide shoes.

In addition, it is intended to provide a corrective effect on the user's walking motion by providing shoes suitable for the user's walking motion. In addition, even in the case of a fall accident, it is possible to immediately notify a medical institution or the like. In addition, we aim to provide footwear that can improve product productivity and secure price competitiveness.

An embodiment of the present invention to solve the above problems, the body portion; an outsole unit coupled to a lower portion of the main body and receiving a sensor module therein; The insole is seated on the upper surface of the insole, and a motion estimation unit for measuring the movement of the foot according to the walking motion is installed; and a short-distance communication module disposed on any one of the main body and the outsole, for transmitting and receiving wireless signals.

It is preferable that the insole part has a shape corresponding to the sole of the user's sole, and the motion estimation part is formed on a lower surface of the insole part.

The motion estimation unit may include: a first sensor area in which the front of the sole of the user's foot is located; a second sensor area where the back of the sole is located; and a third sensor region in which the arch portion of the sole is not located between the first sensor region and the second sensor region, wherein at least one pressure sensor is provided in each of the first sensor region to the third sensor region It is preferable to place

It is preferable that a posture detecting sensor unit for detecting a change in the user's posture is disposed on the lower surface of the insole in response to the location where the user's big toe is located.

The sensor module is disposed on the printed circuit board, and the sensor module includes: an acceleration sensor for measuring a change in speed in three axes (X-axis, Y-axis, and Z-axis) direction with respect to the movement of the user's foot; and a gyro sensor for measuring a change in angular velocity in a three-axis direction.

The sensor module, the motion estimation unit and the posture detection sensor unit each calculates the signals received to determine whether the user has fallen; it is preferable to further include a fall determination unit.

According to the problem solving means of the present invention as described above, various effects including the following items can be expected. However, the present invention is not established only when exhibiting all of the following effects.

The shoe for preventing a fall accident and correcting a gait according to an embodiment of the present invention can accurately measure a movement of a foot according to a gait motion, and can provide high reliability for a fall determination.

In addition, it is possible to provide a corrective effect on the user's walking motion by providing shoes suitable for the user's walking motion. In addition, even when a fall accident occurs, it is possible to immediately notify medical institutions, etc. In addition, it is possible to provide a shoe capable of improving product productivity and securing price competitiveness.

1 is a perspective view of a fall accident prevention and gait correction shoe according to an embodiment of the present invention.
Fig. 2 shows the relationship between components for the orthodontic shoe of Fig. 1;
Figure 3 is an exploded perspective view of the orthodontic shoe of Figure 1;
Figure 4 is a bottom perspective view of the insole of Figure 3;

Hereinafter, in the description of the present invention, if it is determined that the subject matter of the present invention may be unnecessarily obscured as it is obvious to those skilled in the art with respect to related known functions, the detailed description thereof will be omitted. The terminology used in the present application is only used to describe specific embodiments and is not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise.

In the present application, terms such as "comprise" or "have" are intended to designate that a feature, number, step, operation, component, part, or a combination thereof described in the specification exists, but one or more other features It should be understood that this does not preclude the existence or addition of numbers, steps, operations, components, parts, or combinations thereof.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings.

1 is a perspective view of a shoe for preventing a fall accident and gait correction according to an embodiment of the present invention, FIG. 2 is a view showing the relationship between the components for the orthodontic shoe of FIG. 1, FIG. 3 is 1 is an exploded perspective view of the orthodontic shoe, and FIG. 4 is a bottom perspective view of the insole of FIG. 3 .

1 to 4, the fall accident prevention and gait correction shoe 1000 according to an embodiment of the present invention includes a body part 100, an outsole part 200, a sensor module 700, and an insole part. 300 , a motion estimation unit 500 , a posture detection sensor unit 600 , a short-range communication module 400 , a fall determination unit 800 , a power supply unit (not shown), and the like.

The shoes 1000 may include, for example, sneakers, shoes, sneakers, canvas shoes, sandals, slippers, and the like. The body part 100 is formed in a shape that wraps the foot, and protects the user's feet by mitigating external shocks and the like. The body part 100 is formed of a material such as synthetic material or leather. Alternatively, the main body 100 may be formed of a mesh material for elasticity and breathability according to wear. In addition, the main body 100 may have a plurality of through-holes through which a shoelace in the form of a lace is penetrated. The body part 100 has an opening at the bottom, and the body part 100 is combined with the outsole part 200 to complete the overall shape of the shoe 1000 .

The outsole unit 200 is coupled to the lower portion of the body unit 100 and the sensor module 700 is accommodated therein. To this end, the storage space unit 210 in which the sensor module 700 is accommodated is formed in the outsole unit 200 . The shoe 1000 according to an embodiment of the present invention may detect a fall event in which the user falls from a high position or falls due to an accident, such as carelessness in the course of daily walking. The sensor module 700 provides one piece of information to be considered when determining whether a user has fallen. Specifically, the sensor module 700 is disposed on the printed circuit board 710, and the sensor module 700 measures the speed change in the three-axis (X-axis, Y-axis and Z-axis) direction with respect to the movement of the user's foot. It includes an acceleration sensor 720 and a gyro sensor 730 that measures the angular velocity change in the three-axis direction. The sensor module 700 may be disposed in the shoe 1000 and may be electrically connected to a battery-type power supply unit to receive power.

Here, the storage space is formed where the center of gravity with respect to the user's foot is located. Through this, the sensor module 700 can accurately measure the movement of the user's foot. The storage space unit 210 may be in the form of a seating groove formed at a central position of the outsole unit 200 . The sensor module 700 may have a structure that is fitted to the seating groove in the reverse direction to cover the seating groove.

The outsole unit 200 is made of a synthetic resin material (for example, polyurethane, etc.) excellent in shock absorption, lightness, durability, cushion recovery, etc., and a function to prevent slipping is formed on the bottom surface in contact with the ground. .

The insole unit 300 is seated on the upper surface of the outsole unit 200, and a motion estimation unit 500 for measuring the movement of the foot according to the walking motion is installed. The insole unit 300 may have a shape corresponding to the user's sole. As a result, even when an external impact is applied while the user wears the shoe 1000 , the user can relieve it through the insole 300 . Here, the motion estimation unit 500 is formed on the lower surface of the insole unit 300 . The motion estimation unit 500 includes a first sensor area 510 where the front of the sole of the user is located, a second sensor area 520 where the back of the sole is located, and the first sensor area 510 and the second sensor area ( 520), a third sensor area 530 in which the arch part of the sole is not located, and at least one pressure sensor 550 in the first sensor area 510 to the third sensor area 530, respectively. are placed

The motion estimation unit 500 may measure the pressure at each position through the plurality of pressure sensors 550 and estimate the movement of the foot in the walking motion through the pressure distribution map applied to the insole unit 300 through this. The pressure distribution may be expressed through a difference in color depending on the strength of the pressure, and the like. Here, the pressure sensor 550 may be implemented in any one of known conventional means.

The first sensor area 510 to the third sensor area 530 may be formed on the lower surface of the insole unit 300 . In the first sensor region 510 according to an embodiment, one pressure sensor 550 may be disposed in each of four equally divided regions. In addition, three pressure sensors 550 may be disposed in the second sensor area 520 in a triangular shape, for example. The first sensor area 510 is a portion in which the load due to the user's weight is intensively distributed in the second sensor area 520 . Meanwhile, in the third sensor region 530 , the pressure sensor 550 is disposed at a portion to which the load by the sole is transmitted. When the third sensor area 530 is divided into an inner area and an outer area, the pressure sensor 550 is disposed in the outer area.

The motion estimation unit 500 may monitor the user's gait motion by estimating the motion of the foot. Also, the motion estimation unit 500 may sense a bad gait that is repeatedly generated in the gait of the user through the pressure distribution map. On the other hand, the first sensor area 510 to the third sensor area 530 may be separately formed in the form of a pocket on the lower surface of the insole unit 300 . Alternatively, the first sensor area 510 to the third sensor area 530 may be formed separately in the form of a detachable attachment surface on the lower surface of the insole unit 300 . Here, the pressure sensor 550 may be electrically connected to the above-described power supply unit to receive power.

In addition, the posture detection sensor unit 600 may collect biometric information according to the movement of the user's foot. To this end, it is preferable that a posture detecting sensor unit 600 for detecting a change in the user's posture is disposed on the lower surface of the insole unit 300 in response to the location where the user's big toe is located. The posture detection sensor unit 600 may be, for example, a biosensor. The biosensor is a thin patch type and can measure a user's heart rate and respiration rate. When the measurement signal through the biosensor is weak, the posture detection sensor unit 600 may amplify it.

The posture detection sensor unit 600 may generate a fall waveform by extracting a signal related to a fall when the user's bio-signal is rapidly changed due to a fall or the like. The posture detection sensor unit 600 may generate a fall waveform, for example, at regular time intervals. Here, the posture detection sensor unit 600 may be electrically connected to the above-described power supply unit to receive power.

The position of the posture detection sensor unit 600 may vary according to the user's personal information. The posture detection sensor unit 600 is detachable and can be attached by changing the position of the toes according to the user.

The shoe 1000 according to an embodiment of the present invention may further include a fall determination unit 800 to more accurately determine whether a fall has occurred. The fall determination unit 800 may more accurately determine whether the user has fallen by calculating signals received from the sensor module 700 , the motion estimation unit 500 , and the posture detection sensor unit 600 , respectively. For example, even if a fall signal is received through the posture detecting sensor unit 600, if a sudden change in the movement of the foot is not measured through the sensor module 700, the fall determination unit 800 may determine that it is a fall. can't

The fall determination unit 800 may determine a fall when the sensor module 700 , the motion estimation unit 500 , and the posture detection sensor unit 600 each receive a fall signal. In addition, when the fall signal is repeatedly received a plurality of times through the posture detection sensor unit 600 , the fall determination unit 800 may determine that it is a fall risk and generate a caution signal corresponding to caution. Also, when the caution signal continues for a predetermined time, the fall determination unit 800 may generate a warning signal corresponding to the warning. Here, the caution signal and the warning signal may be transmitted to a preset receiving unit (guardian, etc.) through the short-distance communication module 400 . On the other hand, the fall determination unit 800 may provide the fall or not as more detailed information such as a fall probability, a fall grade, and the like.

The shoe 1000 according to an embodiment of the present invention can conveniently utilize information according to various wireless signals transmitted through the short-distance communication module 400 through a dedicated app. The short-distance communication module 400 is disposed in any one of the body unit 100 and the outsole unit 200, and transmits and receives wireless signals. The short-distance communication module 400 is electrically connected to the sensor module 700 , the motion estimation unit 500 , the posture detection sensor unit 600 , and the fall determination unit 800 . The short-range communication module 400 may transmit/receive a signal using a wireless communication network such as Wi-Fi, Bluetooth, or Zigbee. Here, the wireless signal may be transmitted to, for example, the user's terminal 2000, for example, a smart phone. In this case, the user may transmit the same wireless signal to the smartphone of the guardian designated in advance through the dedicated app, the designated server of the emergency institution, and the like.

Here, the short-range communication module 400 may be electrically connected to the above-described power supply unit to receive power. On the other hand, the short-distance communication module 400 is located particularly in the rear heel portion of the body portion 100, the heel portion may be formed in a pocket structure. In addition, the sensor module 700 may further include a GPS sensor 740 capable of providing the user's location information. The GPS sensor 740 may provide the user's location coordinates in real time.

As described above, according to an embodiment of the present invention, it is possible to accurately measure the movement of the foot according to the gait motion, and it is possible to provide high reliability for the fall determination. In addition, by providing the shoes 1000 suitable for the user's walking motion, it is possible to provide a correction effect for the user's walking motion. In addition, the user's guardian, emergency agencies, etc. can immediately recognize the user's fall accident.

The shoe for preventing a fall accident and correcting a gait according to an embodiment of the present invention can accurately measure a movement of a foot according to a gait motion, and can provide high reliability for a fall determination.

In the above, preferred embodiments of the present invention have been exemplarily described, but the scope of the present invention is not limited to such specific embodiments, and can be appropriately changed within the scope described in the claims.

100: body part 200: sole part
300: insole 400: short-distance communication module
500: motion estimation unit 510: first sensor area
520: second sensor area 530: third sensor area
550: pressure sensor 600: posture detection sensor unit
700: sensor module 710: printed circuit board
720: accelerometer 730: gyro sensor
740: GPS sensor 800: fall determination unit
1000: shoes 2000: terminal

Claims (6)

body part;
an outsole unit coupled to a lower portion of the main body and receiving a sensor module therein;
The insole is seated on the upper surface of the insole, and a motion estimation unit for measuring the movement of the foot according to the walking motion is installed; and
and a short-distance communication module disposed on any one of the body part and the outsole part, and transmitting and receiving a wireless signal;
On the lower surface of the insole part, a posture detecting sensor unit for detecting a change in the user's posture is disposed in response to the location where the user's big toe is located,
The posture detection sensor unit is detachable in a thin patch type, and is a biosensor that measures a user's heart rate and respiration rate, and the posture sensor unit generates a fall waveform according to fluctuations in biosignals,
The sensor module includes an acceleration sensor and a gyro sensor,
Fall accident prevention and gait correction shoes comprising a; a fall determination unit for determining whether the user fell by calculating the signals received from the sensor module, the motion estimation unit, and the posture detection sensor unit, respectively.
According to claim 1,
The insole portion has a shape corresponding to the sole of the user's foot,
The motion estimation unit is formed on the lower surface of the insole for preventing fall accidents and correcting gait.
According to claim 1,
The motion estimation unit
a first sensor area in which the front of the user's sole is located;
a second sensor area where the back of the sole is located; and
Between the first sensor area and the second sensor area, a third sensor area in which the arch part of the sole is not located;
At least one pressure sensor is disposed in the first sensor area to the third sensor area, respectively. Fall accident prevention and gait correction shoes.
delete According to claim 1,
The sensor module is disposed on the printed circuit board,
The sensor module includes: an acceleration sensor for measuring the speed change in the three-axis (X-axis, Y-axis, and Z-axis) direction with respect to the movement of the user's foot; and
A gyro sensor that measures angular velocity changes in three directions; Fall accident prevention and gait correction shoes including.
delete

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