JP2005095231A - Standing-up assist - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To attach an assist to an ordinary bed for assisting a standing-up action of a person with lowered walking function. <P>SOLUTION: A front part of a seat part is attached rotationally to a support erected on a base frame to provide a space opened to the back side in the lower surface of the seat part, and the rotational seat pat is constituted to be vertically rotationally operated by an operating means. A pedal member is rotationally operably attached to the support or a base frame, and the seat part in the horizontal state is constituted, at least, upward rotatably by the rotational operation of the pedal member actuated by the operating means which is formed by attaching an operating rod between the pedal member and the seat part. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a rising assist device that assists a rising operation of a person using a bed.

  Conventionally, caregivers who care for persons with physical disabilities or the elderly have often suffered from low back pain, also called occupational illness. One of the causes is that the person who needs assistance rises up from the bed or supports the upper body, lifts it up, and moves to a wheelchair or the like to assist. That is, in order to raise a heavy healer who is in an unstable state from the bed and lift it up, he first moves the healer to the end of the bed, raises the upper body and sits down. The arm is placed on the shoulder of the helper who is in the middle, the caregiver receives the total weight of the caregiver, and the caregiver is standing up by stretching the waist and knees. This is because. In this middle and lower back assistance operation, the caregiver often has to accept the healer in an unnatural posture, and further, it was lifted from that state, which was the cause of chronic low back pain It is.

  In addition, there are many people who can walk slowly on their own if they can stand up once. However, there are many people who are unable to stand up from the end sitting position at the side edge of the bed, and it is not possible to get up when there is no assistance because assistance is required to get up. In some cases, the gait function significantly deteriorated as the condition continued.

  Therefore, as a device that assists rising from the bed, a rotatable gripping portion is provided at one end of the side rail mounted on the bed, and this rotating gripping portion is directed outward so that Some are used as clues. However, since this type of side rail depends on the arm strength of the caregiver, it could not be expected to reduce the burden on the caregiver. In addition, in order to stand up by the caregiver himself, the caregiver himself required a certain level of strength.

As an improvement measure, a part of the gantry constituting the bed or at least a part of the floor part on the gantry is cut out, and an elevating device is provided in the notched part, and a medical person sits on the elevating device. From the above, it has been proposed that the elevating device is moved up and down to make it easy for the medical practitioner to stand up. However, in this improvement measure, a part of the bed is cut out and a lifting device is provided in the cut-out part, and there is a drawback that sheets and air mats generally used in the bed cannot be used. In addition, the bed that can be raised is configured such that the floor plate of the waist and the feet rises with the back raised, and it can be easily imagined that a complicated configuration is required to attach the lifting device.
Japanese Patent Laid-Open No. 11-276532

  Therefore, in view of the above-described problems, the problem to be solved by the present invention is to configure a device that assists the rising operation of which the rising operation has become difficult to attach to a general bed.

In the present invention, in order to solve the above-described problems, the rising assist device is configured as follows.
According to the first aspect of the present invention, a space opened to the rear side is provided on the lower surface of the seat portion by attaching the front portion of the seat portion so as to be rotatable on a support column erected on the base frame. It is characterized in that the free seat portion can be turned up and down by the operating means.
According to a second aspect of the present invention, a low friction plate is provided on the contact surface with the lower surface of the seat, or a roller that can be fixed to the side of the floor of the bed and rolls along the lower surface of the seat. An actuating means is provided, and when the floor portion is raised and lowered by the bed raising / lowering mechanism, the floor portion or the roller acts to lift or lower the seat portion.
According to the invention of claim 3, the petal member is attached to the support column or the base frame so as to be rotatable, and the operating means is formed by attaching an actuating rod between the petal member and the seat portion. A certain seat portion is configured to be rotatable at least upward.
The invention according to claim 4 is characterized in that the seat portion, the support column, the seat portion, and the mounting portion for the operating means are arranged in the downward projection direction of the seat portion.
The invention according to claim 5 is configured such that the operating rod is configured to be extendable by nesting a pipe, and is configured to be freely rotatable up and down in accordance with the floor of the bed when the bed height is changed. It is characterized by.
The invention of claim 6 is characterized in that a pair of left and right petal members are spaced apart from each other, thereby providing a space for a user to enter between the petal members.
The invention according to claim 7 is provided with a grip portion so that at least a space through which the user's lower limb can pass is formed between the grip portion, the seat portion, and the column, and is positioned on both the left and right sides of the front portion of the seat portion, The left and right grips are configured to open upward in a front view.

The rising assist device of the present invention has the following effects.
In the first aspect of the present invention, the seat portion is rotatably attached to the support column provided upright on the base frame. And this seat part is comprised by the operation means so that upward rotation is possible. Therefore, when the user seated on the seat rises, the seat is rotated upward by the operating means, so that the user's buttocks can be pushed upward, and assistance such as a person who does not remain in the standing motion is possible. It has become. In addition, since the seat portion, the support column, and the base frame are in a state where the rear side of the lower surface of the seat portion is opened in a side view, it can be easily installed so that the floor portion of the bed enters this space.
According to the second aspect of the present invention, by using the bed raising / lowering mechanism, the seat portion is pushed up or down by raising and lowering the bed floor portion, thereby associating the attachment portion with the column in the front portion of the seat portion. It is configured to be rotatable with an end. Therefore, the user can easily stand up by pushing up the buttocks by turning the seat upward while supporting the body with both feet.
According to the third aspect of the present invention, the seat portion is configured to rotate by stepping on the petal member. Therefore, even a bed without a lifting mechanism can be used.
In the invention of claim 4, since the attachment part is arranged in the downward projection direction of the seat part, it is possible to prevent the clothes, the nightclothes and the like from being caught. Moreover, when changing from the supine posture to the end sitting posture, the attachment portion is not touched and it is safe.
In the invention of claim 5, since the operating rod is configured to be extendable, when the height of the bed floor is changed by the bed height adjustment function, the seat is also rotated in accordance with the floor. Even if the bed is raised or lowered by mistake, the rising assist device itself is not damaged.
In the invention of claim 6, by arranging the petal members on both the left and right sides, any one of the petal members can be operated. Further, since the interval between the petal members is wide, there is no risk of stepping on the petal member by mistake. Furthermore, when the caregiver operates, the petal member is located on the outside, so that it is easy to operate.
In the invention of claim 7, a grip portion is provided with a sufficient interval through which the user's lower body can pass, and the grip portion can be firmly gripped at the left and right front portions in the end sitting position, It is configured to stand up easily. Furthermore, each gripping part is open upward from below in front view, so that it is easy to sit on the gripping part when inverting the body, etc., and enough assistance to stand up and walk with your own power while resting Can be.

  By attaching the front part of the seat part so that it can rotate on the column erected on the base frame, a space opened to the rear side is provided on the lower surface of the seat part so that the floor of the bed enters this space It is configured to be installable. Then, by configuring the pivotable seat portion so that it can be pivoted up and down by an appropriate operating means, the user's buttocks that have taken the end-sitting position on the seat portion can be pushed upward. Therefore, it is possible to assist a user who has become difficult to get up and to get out of bed. In addition, the caregiver's labor is greatly improved because it is not necessary to support the whole body weight when assisting a person with reduced walking ability.

Next, a stand-up assisting device according to the present invention will be described with reference to the drawings.
FIG. 1 is an overall perspective view of a rising assist device according to the present invention.
FIG. 2 is an overall side view thereof.
FIG. 3 is an overall front view thereof.
FIG. 4 is an overall plan view thereof.
FIG. 5 is an overall sectional side view thereof.
FIG. 6 is an overall side sectional view showing the action of the extendable operating rod.
FIG. 7 is an overall side sectional view showing the operation of the operating means.
FIG. 8 is a side sectional view showing another method for attaching the petal member.
FIG. 9 is a front view showing another support structure.
FIG. 10 is a side view showing the state of attachment to the bed.
FIG. 11 is an explanatory view showing a state when the bed is raised.
FIG. 12 is explanatory drawing (1) which shows the usage method of a stand-up auxiliary | assistance apparatus.
FIG. 13 is explanatory drawing (2) which shows the usage method of a stand-up auxiliary | assistance apparatus.
FIG. 14 is an explanatory view showing another operating means.
FIG. 15 is an explanatory view showing the operating state of the operating means.
FIG. 16 is an explanatory view showing how to use the gripping part.

  The stand-up assisting device 1 includes a base frame 2 installed on the floor, a support column 3 installed on the base frame 2, a seat portion 4 rotatably supported by the support column 3, and the seat portion 4. It is mainly comprised from the action | operation means 5 which rotates.

First, the base frame 2 will be described. The base frame 2 is formed in a substantially U-shape with the front opened in a plan view by fixing a horizontal pipe 7 to the rear part of the vertical pipes 6 and 6 separated from each other on the left and right.
.. Are fixed to the four corners of the base frame 2, and installation members 9, 9,... Are fixed to the mounting plates 8, 8,. ing. In addition, if the thing provided with suction cups 9a, 9a, ... integrally as this installation member 9 is used, the base frame 2 can be installed stably. Furthermore, by fixing the reinforcing pipes 10, 10,... Between the left and right vertical pipes 6, 6, and fixing the plate 11 on the reinforcing pipes 10, 10,. The plate 11 may be configured such that the user's weight can be hung on the plate 11.
Further, cylindrical members 12 and 12 are fixed to the rear portions of the vertical pipes 6 and 6 and the contact members 13 and 13 bent in a crank shape are fixed to the base frame 2. ing. If the contact member 13 is rotated and fixed so as to contact the frame F of the bed B, the rear portion of the base frame 2 can be used without being lifted. Further, the plates 14 and 14 are fixed to the rear portion of the base frame 2, and the roller members 15 and 15 are supported on the plates 14 and 14 without being in contact with the floor surface. If the roller members 15 and 15 are provided in this way, it can be configured to be easily moved by lifting the front portion of the base frame 2.

  Next, a support column 3 serving as a mounting member for the seat portion 4 is erected on the rear portion of the base frame 2. The support column 3 is composed of inner pipes 17 and 17 and outer pipes 18 and 18 that are fitted on the inner pipes 17 and 17 respectively, and is attached to the support cylinders 16 and 16 fixed to the base frame 2. The inner pipes 17 and 17 are inserted and fixed by screwing. The outer pipes 18 and 18 are each provided with a hole portion (not shown), and nut members 19 and 19 are fixed so as to coincide with the axial center of the hole portion. The inner pipe 17 is provided with a plurality of holes (not shown) in the height direction, and the ends of bolt members (not shown) that are screwed onto the nut members 19 are formed in the holes. The height can be adjusted by fitting. A reinforcing pipe 20 is fixed to the right and left outer pipes 18 and 18 at appropriate positions. Further, the upper portions of the outer pipes 18 and 18 are curved in an arc shape inwardly, and a plate 21 to which a bearing 21a is fixed is fixed to an end portion thereof.

The seat portion 4 is rotatably supported on the bearings 21a and 21a of the plates 21 and 21 fixed to the support column 3. The seat portion 4 is formed by attaching a seat 23 having a good cushioning property to the inside of a pipe 22 bent in a rectangular shape in plan view. Further, L-shaped bent plates 24, 24 are fixed in the vicinity of both side portions on the front side of the lower surface of the seat portion 4, and a supporting boss 24a and a rotation hole 24b are provided on the plate 24, respectively.
And this seat part 4 is rotatably attached to the support | pillar 3 by inserting the pins 25 and 25 into the bearings 21a and 21a of the support | pillar 3, and the support boss | hubs 24a and 24a. As described above, the upper portion of the support column 3 is bent in an arc shape, and the four corners of the pipe 22 of the seat portion 4 are also curved in an arc shape, so that the seat B is placed on the seat portion 4 from the supine position on the bed B. The part that touches the user M when the posture is changed to the end sitting position, that is, the upper part of the support column 3 and the front both sides of the seat part 4 are formed in an arc shape, and the support 3 and the seat part 4 are attached to the lower surface of the seat part 4. It can arrange so that a part may be concealed, and it can constitute so that a user's M clothes may not be caught, a pain, etc. may occur.

Next, the actuating means 5 for operating the seat part 4 to rotate up and down will be described. First, the operating means 5 includes petal members 27 and 27 pivotally supported by pins 26 and 26 on brackets 7a, 7a,... Fixed to the horizontal pipe 7. The operating rods 28 and 28 are connected between the rear end portions of the petal members 27 and 27 and the rotation holes 24 b and 24 b provided in the seat portion 4.
More specifically, the petal member 27 has a cylindrical body 27b fixed to the rear end of the pipe 27a and a petal plate 27c fixed to the front end. If the pipe 27a on the side of the petal plate 27c is bent outward to form a wide space between the left and right petal members 27, 27, the user M's foot can be placed in a wide space. Thus, the petal plate 27c is not stepped on and can be used safely. In addition, when there is a caregiver, the petal operation of the caregiver becomes easy.
The operating rod 28 is provided with bearing portions 29a and 29b at both ends of the pipe 29, one of which is provided in the cylindrical body 27b of the petal member 27 and the other of which is provided in the rotation hole 24b of the seat portion 4 respectively. 30 is rotatably attached.

  According to the actuating means 5 configured as described above, when any one of the petal members 27 is stepped in the direction of the arrow C in FIG. 7, the actuating rod 28 is pushed upward, and the rotation hole 24b of the seat portion 4 is also pushed up. . At this time, since the bearings 21a and 21a located in front of the rotation hole 24b serve as a rotation base end, the rear portion of the seat 4 rotates in the direction of the arrow D in FIG. Then, when the foot is removed from the petal member 27, the petal member 27 is restored by the weight of the seat part 4, and the seat part 4 is rotated downward to the horizontal state or the floor surface of the bed B.

The operating rod 28 can also be configured as shown in the drawing. The operating rod 28 is constituted by an inner pipe 31 and an outer pipe 32 in which pipes are nested. The outer pipe 32 is provided with a plurality of hole portions 32a, 32a,. A pin 33 is inserted into one of 32a. The operating rod 28 configured in this way is shortest when the inner pipe 31 is in contact with the pin 33 at the end, and can be extended from this shortest state. In addition, what is necessary is just to select the hole part 32a, 32a, ... which penetrates the pin 33, the position where the seat part 4 becomes a horizontal state according to height adjustment of the support | pillar 3.
By using the operating rod 28 configured as described above, when the height is adjusted in the bed B having a generally widely used height adjusting function, the floor of the bed B is raised (sixth). The inner pipe 31 of the operating rod 28 is automatically pulled out in the direction indicated by the arrow B in FIG. 6 and the seat portion 4 is also rotated upward in accordance with the direction indicated by the arrow A in FIG. (See FIGS. 6 and 11).
In order to adjust the length of the operating rod 28, a pin 33 and a plurality of holes 32a, 32a,... Are used. Alternatively, an adjustment member that can be changed in length by a female screw may be inserted.
Further, by attaching the petal members 27 and 27 as shown in FIG. 8, it can be configured to be used without adjusting the operating rod 28 when adjusting the height of the seat portion 4. This is a structure in which brackets 34 and 34 are fixed at appropriate positions of the reinforcing pipe 20 fixed between the outer pipes 18 and 18 of the columns 3 and 3, and petal members 27 and 27 are pivotally attached to the brackets 34 and 34. It is. With this configuration, the bracket 34 for mounting the petal member 27, the mounting portion for the seat 4 and the support column 3, the mounting portion for the seat 4 and the operating rod 28, and the operating rod 28 and the petal member 27 Since the height can be adjusted without changing the respective distances from the mounting portions, it is not necessary to adjust the operating rod 28.

  Furthermore, as shown in FIG. 9, one support column 3 may be erected in a state of being positioned substantially in the middle between the left and right sides of the base frame 2. If comprised in this way, as above-mentioned, it can comprise so that it may not become a hindrance at the time of a user's attitude | position change, without curving the support | pillar 3 upper part toward an inner side. In addition, the same code | symbol is attached | subjected to what has taken the structure similar to what was mentioned above in drawing.

Next, a method of using the rising assist device 1 configured as described above will be described.
First, the rising assist device 1 is installed and used such that the floor portion of the bed B is in contact with the lower surface of the seat portion 4. Further, the contact members 13, 13 provided on the base frame 2 are brought into contact with the frame F of the bed B. By installing in this way, this apparatus can be used in a stable state (see FIG. 10).
Then, the user M raises his / her body from the supine posture on the bed B, and takes an end-sitting posture so as to sit on the seat 4 of the present apparatus 1 located on the floor surface of the bed B (see FIG. 12). .
Next, when the petal plate 27c is stepped on with one foot in the direction of arrow E in the figure, the actuating means 5 is actuated, and the seat 4 rotates in the direction of the arrow in the figure, that is, upward. By rotating the seat 4 upward, the buttocks of the user M can be pushed upward, so that the user M can easily stand up (see FIG. 13).
At this time, if a side rail or the like in the bed B is gripped, it is possible to stand up more safely and easily.
If you can stand up, you can lift your foot from the petal plate 27c and move to a desired location.

If the apparatus 1 is used as described above, the force that the user M steps on the petal plate 27c assists in pushing up the buttocks, so that even a person who has become difficult to stand alone can get up. Can be easily done.
Further, if the operating rod 28 is configured in a nested manner, the seat 4 can be rotated upward in accordance with the rise of the floor of the bed B without damaging the apparatus 1 even when the height of the bed B is changed. Move (see FIG. 11). Therefore, when sleeping on the bed B, when the bed is rested and rested, the floor is raised slightly or the seat is raised upward (see FIG. 6). There is nothing to get in the way.

Next, the operating means 5 described above is operated by the user M or a caregiver, but the lifting mechanism is provided so that the height of the floor portion can be adjusted to the bed B which is generally used at present. The actuating means 5 for rotating the seat portion 4 using this elevating mechanism will be described.
As shown in FIGS. 14 and 15, the actuating means 5 does not use the petal member 27 and the actuating rod 28 but includes a low friction plate 35 on the floor of the bed B or on the lower surface of the seat 4. It is a thing. In addition, about the structure of the base frame 2, the support | pillar 3, and the seat part 4, it is set as the structure substantially the same as the above-mentioned.
And when operating the raising / lowering mechanism of the bed B by this plate 35, it acts so that a floor part lifts the seat part 4 by a raise of a floor part, and the attachment part of the seat part 4 and the support | pillar 3 is used as a base end. The seat 4 is rotated upward. At this time, since the low-friction material is used so as not to generate much friction between the seat portion 4 or the floor portion serving as a contact surface with the plate 35, the seat portion 4 is smoothly rotated.
Further, as a different from the plate 35, for example, an operating means 5 in which one end portion is a shaft portion 36 that can be fixed to the side rail mounting hole and a bracket 38 on which the roller member 37 is supported is fixed to the other end portion. It is good. In this operating means 5 as well, as described above, the roller member 37 acts to push up the seat portion 4 by raising the floor portion, and the seat portion 4 can be rotated. Furthermore, by setting the roller member 37 to roll in the pipe 22 of the seat 4, that is, in the downward projection direction of the seat 4, it is possible to prevent the clothes and the nightwear from being caught.
Therefore, when it is set as the action | operation means 5 using the raising / lowering mechanism comprised in the bed B in this way, the user M can stand up firmly with both feet. 14 and 15 show the actuating means 5 including the plate 35 and the roller member 37 at the same time. However, as described above, any one of the actuating means 5 can be used to mount the seat 4. It can be rotated. Furthermore, there is no problem even if the function recovery training by the rising action can be performed in accordance with the physical condition of the user by using together with the operating means 5 having the petal member 27.

  Next, in the above-described standing assistance device 1, the case where the side rail attached to the bed B is used after the user M takes the end sitting position has been described. However, as described below, the grip portion 39 is provided. In this way, it is possible to make it easier to get up.

First, support bosses 40 are fixed to the front end portion of the vertical pipe of the base frame 2. The support boss 40 is provided with a screw portion 40a.
Support pipes 41 and 41 are inserted into the support bosses 40 and 40, respectively, and are fixed by bolt members 42 and 42 screwed into the screw portions 40a and 40a. Although not shown in the drawing, a plurality of holes are formed in the upper portion of the support pipe 41. Further, a substantially P-shaped gripping member 43, 43 is externally fitted to the support pipe 41 in a side view, and a nut member 44 fixed on an empty rear portion (not shown) provided below the gripping member 43, 43. Bolt members 45, 45 are screwed into 44, and bolt member 45, 45 tip portions are inserted through the holes so that the height can be adjusted.
The grip members 43, 43 are provided with a sufficient space between the seat portion 4 and the grip member 43 in a side view, and the user M takes an end-sitting posture on the seat portion 4 from the bed B. At this time, it is preferable that the lower body of the user M is sufficiently passed.

In this way, by providing the rising assist device 1 with the grip portions 39 and 39 configured as described above, the grip portions 39 and 39 in the front portion where force can be easily applied when starting up are gripped. It is possible to stand up more easily than the embodiment.
Also, as shown in FIG. 16, when the upper parts of the gripping members 43, 43 are opened in front view, the body direction is changed when standing up or returning to the bed B, so that the gripping members 43, 43 It can also be used to sit on, and can take a breath and perform the following actions, making it safer to use. At this time, the weight of the user M is placed on the plate 11 and the contact member 13 is in contact with the frame F of the bed B, so that the apparatus 1 is difficult to fall. Needless to say.

  The stand-up assist device configured as described above can be used for a chair other than the bed, for example, and can be used very effectively for a person who can walk when he / she stands up. In addition, when it is used for care, the burden on the caregiver's waist can be greatly reduced.

Overall perspective view of a stand-up assisting device according to the present invention The whole side view The whole front view Overall plan view The whole side sectional view Whole side sectional view showing the action of the extendable operating rod Overall side sectional view showing the action of the actuating means Side sectional view showing another mounting method for petal member Front view showing another strut structure Side view showing the state of attachment to the bed Explanatory drawing which shows the state at the time of raising a bed Explanatory drawing (1) which shows the usage method of a stand-up auxiliary device Explanatory drawing (2) which shows the usage method of a stand-up auxiliary device Explanatory drawing which shows another action | operation means Explanatory drawing showing the operating state of the operating means Explanatory drawing showing how to use grip

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Standing assistance apparatus 2 Base frame 3 Support | pillar 4 Seat part 5 Actuating means 27 Petal member 28 Actuation rod 35 Grip part 39 Grip member

Claims (7)

  By attaching the front part of the seat part so as to be rotatable on a column erected on the base frame, a space opened to the rear side is provided on the lower surface of the seat part, and the rotatable seat part is actuated. A rising assist device characterized in that it can be turned up and down by means of.   An operating means comprising a low friction plate on the contact surface with the lower surface of the seat, or a roller that can be fixed to the side of the floor of the bed and rolls along the lower surface of the seat is provided. 2. The stand-up assisting device according to claim 1, wherein when the floor portion is moved up and down by the elevating mechanism, the floor portion or the roller acts to lift or lower the seat portion.   A petal member is attached to the support column or the base frame so that the petal member can be pivoted, and an actuating means having an actuating rod attached between the petal member and the seat is used to rotate at least the seat part in a horizontal state by rotating the petal member. The start-up assisting device according to claim 1, which is configured to be movable.   4. The stand-up assisting device according to claim 1, wherein the seat portion, the support column, and the mounting portion of the seat portion and the actuating means are disposed in a downward projection direction of the seat portion.   4. The working rod is constructed by nesting a pipe into a telescopic working rod, and can be freely rotated up and down in accordance with the floor of the bed when the height of the bed is changed. The rise assist device described.   6. The stand-up assisting device according to claim 3, wherein a space for allowing a user to enter is provided between the petal members by disposing a pair of left and right petal members at a predetermined interval.   A space through which at least the user's lower limb can pass is formed between the grip part, the seat part, and the support column, and the grip part is provided on both the left and right sides of the front of the seat part. The rising assist device according to any one of claims 1 to 6, characterized in that the upper part is open at the top.