JP2017051388A - Bathing assistance system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a bathing assistance system, when a helper assists bathing of an assistance receiver, reducing a burden of the helper and enabling the assistance receiver to safely take a bath, and configured to get out of the way when a healthy person takes a bath.SOLUTION: The bathing assistance system comprises a seat device and a frame device. The seat device includes a pedestal including a footrest part connected to a side face of a seat part, and a lifting/lowering mechanism for lifting/lowering the pedestal. The pedestal is configured to travel. The frame device is placed on the upper faces of a pair of side walls of a bathtub, and includes a pedestal support member that is laid across laterally between the pair of side walls, for supporting the pedestal when the pedestal travels from outside the bathtub to an upper side of the bathtub. The pedestal support member can be taken in/out by a storage mechanism.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a bathing assistance system, and more specifically, a bathing assistance system that can transfer a person being assisted while sitting on the seat to the side of the bathtub, and allows safe bathing without transferring from the seat. About.

  For the bathing of elderly people who are difficult to walk on their own, persons with physical disabilities, etc., it requires a lot of assistance, and back pain including tight waist is serious, and bathing assistance at home is difficult. is there. Then, the apparatus of patent document 1 is proposed as a method which a caregiver can take a bath easily in the state which made the caregiver seated on the chair part.

The device described in Patent Document 1 can transfer a person who needs care without sitting at a remodeling cost of a general household bathroom, etc. while sitting on a chair part near the bathtub, and A transfer device that can be bathed without being transferred from the chair is described.
The transfer device includes a first rail portion and a second rail portion, and the first rail portion and the second rail portion are in a connected state, and the lifting mechanism portion is slid between the first rail portion and the second rail portion by sliding. It can be handed over. The first rail portion travels together with the carriage on the rail portion that supports the lift chair unit so as to be movable in the width direction of the seat plate. The second rail portion is provided on the bathtub side, and the first rail portion is And dissociation is possible. The lift chair unit has a chair portion and a lift mechanism portion that supports the chair portion so as to be liftable.

Japanese Patent Laying-Open No. 2015-58054

  However, according to the apparatus described in Patent Document 1, the chair portion is supported by only two rails on the bathtub side. For this reason, there is a risk that the two rails bend. Moreover, even if a strong rail is used, when a healthy person uses a bathtub, the two rails may get in the way.

  Therefore, as a result of earnest research, the present inventors pay attention to the gantry device placed on the upper part of the pair of side walls of the bathtub, and when it is possible to store the pedestal support member at a time other than when the person being taken is bathing, The inventors have found that these problems can be solved, and have completed the present invention.

  This invention reduces the burden on the caregiver when the caregiver assists the person being taken by the bather, allows the caregiver to take a safe bath, and does not interfere with the healthy person taking a bath. The purpose is to provide a bathing assistance system.

  The invention described in claim 1 is a bathing assistance system having a seating device and a gantry device, wherein the seating device has a footrest portion connected to a side surface of a seat portion having a rectangular seat surface in plan view. A pedestal capable of traveling, and an elevating mechanism that raises and lowers the pedestal, and the gantry device is placed on top of a pair of side walls of the bathtub, and the pedestal travels from outside the bathtub to the top of the bathtub. A bathing assistance system comprising: a pedestal support member that supports the pedestal so as to cross between the pair of side walls; and a storage mechanism that stores the pedestal support member.

The seating device has a pedestal and a lifting mechanism.
The pedestal has a footrest connected to the seat. The seat has a rectangular seat surface in plan view. The footrest part is connected to the seat part downward from the side face of the seat part. The footrest is a member for placing a foot when the person being assisted sits down. The type of the footrest is not particularly limited. Examples include plate-like cloth-like ones.
The travel means is not particularly limited regarding the travel of the pedestal. The thing by a roller, the thing by a motor drive, etc. are mentioned. Further, the traveling of the pedestal may be a traveling of a seating device including the pedestal in addition to the traveling of the pedestal alone.
The raising / lowering mechanism part raises / lowers the base. That is, the seat portion and the footrest portion are lifted and lowered simultaneously by the lifting mechanism portion. The raising / lowering means by the raising / lowering mechanism part is not particularly limited, and examples thereof include raising / lowering by motor driving and driving by handle. It is also possible to provide a plurality of lifting mechanism sections and to change the lifting speed of the lifting mechanism sections.

The gantry device is placed on the upper part of the side wall of the bathtub, and supports the seating device when the person being taken by the person takes a bath. The bathtub has a rectangular shape in plan view having four side walls and a bottom (bottom wall). A pair of side walls refers to two side walls having a long length among the four side walls. The gantry device is placed on top of the pair of side walls of the bathtub.
The gantry device includes a pedestal support member and a storage mechanism.
The pedestal support member is a member that supports the pedestal when the pedestal travels from the outside of the bathtub to the top of the bathtub. That is, the person being assisted is seated on the pedestal and transferred to the side of the side wall of the bathtub, and when the pedestal starts to move to the gantry device, until the pedestal is placed on the top of the pedestal support member, It is a member which supports a base. The pedestal support member is provided so as to cross between the pair of side walls. The pedestal support member is not particularly limited as long as it can be stored by the storage mechanism, and examples thereof include a pipe shutter, a roller shutter, and a panel shutter.
The storage mechanism is a member that stores the pedestal support member. The storage method of the pedestal support member is not particularly limited, and examples thereof include those driven by a motor, those driven by a handle, and those using a restoring force such as a spring.

  According to a second aspect of the present invention, the elevating mechanism section includes a plurality of cylindrical winding drums spaced apart in the width direction of the pedestal, and the pedestals are connected by wires extending from the winding drum. The bathing assistance system according to claim 1, wherein the pedestal positioned in the bathtub is inclined with respect to a length direction of the bathtub by controlling a drawing amount of the wire per unit time.

  Invention of Claim 3 is a bathing assistance system of Claim 1 or Claim 2 which has an angle adjustment mechanism part which enables adjustment of the angle formed by the said seat part and a footrest part.

  An angle adjustment mechanism part adjusts a formation angle by a seat part and a footrest part, and it does not ask | require in particular about the method of adjusting an angle. The connection part of a seat part and a footrest part is comprised rotatably, and after adjusting to a predetermined angle, the method of fixing with a pin, the method of using the bracket which can adjust an angle, etc. are mentioned.

According to the first aspect of the present invention, when the caregiver assists the person being taken by the person being bathed, the person being assisted can move by the moving part of the pedestal, thereby reducing the burden on the caregiver. it can.
In addition, a pedestal support member is placed on the top of the pair of side walls of the bathtub in the gantry device, and is provided so as to cross between the pair of side walls. For this reason, even if the person being assisted is moved by the moving part of the pedestal, the person being assisted is supported by the pedestal support member and can be safely bathed.

  According to the second aspect of the present invention, the elevating mechanism portion can move the pedestal up and down by the wires connected to the respective winding drums in association with the rotation of the handle. At this time, when the pedestal is positioned in the bathtub, the amount of wire drawn per unit time is controlled so that the pedestal is inclined with respect to the length direction of the bathtub. Thereby, the body of the person being assisted can be inclined and bathed. With this posture, the person being assisted can bathe comfortably.

  According to the third aspect of the present invention, the angle adjustment mechanism that enables adjustment of the angle formed by the seat and the footrest is provided. Thereby, when transferring the person being assisted to the bathtub, the inclination of the footrest part can be adjusted by the angle adjusting mechanism part, and the person being assisted can be kept substantially horizontal. As a result, the height from the bathtub to the seat surface of the pedestal can be kept low, and the person being assisted can be transferred more safely.

It is a perspective view which shows a state when the base apparatus in the bathing assistance system which concerns on the Example of this invention has mounted in the trolley | bogie for movement. It is a perspective view which shows the connection structure of the seat part and board | plate material of a base apparatus in the bathing assistance system which concerns on the Example of this invention. It is a schematic diagram which shows the structure of the seat part raising / lowering apparatus of the base apparatus in the bathing assistance system which concerns on the Example of this invention. It is a perspective view which shows the state which removed the roller shutter and the roller shutter wire from the mount apparatus in the bathing assistance system which concerns on the Example of this invention. It is a perspective view which shows a state when the mount apparatus in the bathing assistance system which concerns on the Example of this invention has mounted in the bathtub. It is a schematic diagram which shows the bathing method of the care receiver in the bathing assistance system which concerns on the Example of this invention.

Examples of the present invention will be specifically described below.
In this embodiment, the bathing assistance system includes a seating device 10 and a gantry device 20. As shown in FIG. 1, the seating device 10 is placed on a moving carriage 100, and at this time, the person being assisted is seated on a seat having a seat surface 11. At this time, the foot of the person being assisted is placed on the footrest 12.
As shown in FIGS. 4 and 5, the gantry device 20 is placed on the upper surface of the side wall of the substantially rectangular bathtub 110 in plan view. The gantry device 20 includes a roller shutter 21 including a plurality of rollers 21A, and a wire 22 that connects the rollers 21A and functions as a shutter. The roller shutter 21 is opened and closed by moving the wire 22 with the upper pulley 23a, the roller shutter moving guide 24a, the first wire direction changing pulley 24b, and the second wire direction changing pulley 24c.

The seating device 10 has a seat portion including a rectangular seat surface 11 and a backrest portion 13 in plan view. Further, on both side surfaces of the seat portion, there is a seating device moving roller built-in portion 14 in which a seating device moving roller 14a is built. And the rectangular board | plate material 12a is attached so that angle adjustment is possible toward the downward direction from the side edge of the seat part, ie, the side edge of the seat surface 11, and the front-end | tip part of this board | plate material 12a (namely, plate material 12a hung down to the seat part) The footrest portion 12 is fixed to the lower end portion.
In FIG. 2, the attachment structure of the board | plate material 12a of a seat part and a footrest part is shown. The seat portion and the plate material 12a are connected by two hinges 12b. And the angle adjustment part 12c by which the through-hole was formed in the edge part of the side surface of a seat part and the side surface of a board | plate material is provided, and angle adjustment is enabled by inserting the angle adjustment pin 12d in the angle adjustment part 12c.
The angle adjustment is performed by selecting one of two angles, one in which the plate member 12a extends downward from the seat surface 11 substantially perpendicularly to the seat surface 11, and one in which the plate member 12a is in a substantially horizontal state. is there.

  A seating device moving roller 14 a for moving the seating device 10 is built in the seating device moving roller built-in portion 14. That is, one seating device moving roller 14 a is provided inside the pair of seating device moving rollers 14 of the seating device 10 so that the seating device 10 can be moved. That is, the seating device 10 has two seating device moving rollers 14a. The seating device moving roller 14a is formed by inserting a plurality (two or more) of cylindrical rubber or resin wheel members having a predetermined length on a cylindrical metal shaft having a predetermined diameter. . That is, the seating device 10 is placed on the moving carriage 100 by four or more wheel members. Thereby, even if it is a case where the load added when seating on the seating apparatus 10 is large, a seating apparatus can be used safely. As will be described later, when the seating device 10 abuts against the stopper 26b, the two seating device moving rollers 14a are positioned on the upper surface of the gantry body 20A, that is, above the recess. It is provided so as to have a sufficient separation length.

The seating device 10 is provided with a lifting device that lifts and lowers the seat and the footrest 12. That is, the lifting device lifts and lowers the seat surface 11, the footrest portion 12, and the backrest portion 13. As shown in FIG. 3, the lifting device includes a seat lifting handle 15, four winding cylinders 15 c interlocked by rotating the seat lifting handle 15, and a lifting pulley provided on the side of the seat. 15e.
The seat raising / lowering handle 15 is provided with a seat raising / lowering handle sprocket 15a. Then, the winding drum rotating sprocket 15b rotates in conjunction with the rotation of the seat raising / lowering handle 15 via the chain. The winding drum rotating sprocket 15b has a shaft having a predetermined length, and winding drums 15c are attached to four positions of the shaft. That is, four winding drums 15c are attached to the shaft of the winding drum rotating sprocket 15b.
The winding drum 15c is a substantially columnar member, and exerts the function of the winding drum 15c by the power of the winding drum rotating sprocket 15b, that is, the rotation of the seat lifting / lowering handle 15. The base end of each wire is fixed to the winding drum 15c. The seat raising / lowering wires fixed to the winding drum 15c extend to the raising / lowering pulleys 15e attached to both side surfaces of the seating portion 15d via the seat raising / lowering wire guiding pulley 15d. The tip of the wire is fixed by a seat lifting / lowering wire fixing member 15f provided in the seating device moving roller built-in portion 14.
Among the four winding drums 15c, the lifting pulley 15e on the front side (the one closer to the plate member 12a) among the lifting pulleys 15e attached to both side surfaces of the seat portion (hereinafter referred to as “front lifting pulley 15e”) The pulling amount / winding amount per unit time of the seat lifting / lowering wires in the two winding drums 15c from which the seat lifting / lowering wires that engage with each other extend are the same. In other words, the diameters of the two winding drums 15c from which the seat raising / lowering wires engaged with the front raising / lowering pulley 15e extend are the same.
Further, among the lifting pulleys 15e attached to both side surfaces of the seat portion, the lifting pulley 15e on the rear side (the one closer to the winding drum 15c) (hereinafter referred to as “rear lifting pulley 15e”) is related. The pulling amount / winding amount per unit time of the seat raising / lowering wires in the two winding drums 15c to which the mating seat raising / lowering wires extend is the same. That is, the diameters of the two winding drums 15c from which the seat raising / lowering wires that engage with the rear raising / lowering pulley 15e extend are the same.
And the diameter of the two winding cylinders 15c from which the seat raising / lowering wire engaging with the front raising / lowering pulley 15e extends is the same as the diameter of the two winding cylinders 15c from which the seat raising / lowering wire engaging with the rear raising / lowering pulley 15e extends. It is larger than the diameter of the two winding drums 15c. That is, the pulling amount / winding amount per unit time of the seat raising / lowering wire in the two winding drums 15c extending from the seat raising / lowering wire engaged with the front raising / lowering pulley 15e is the rear raising / lowering pulley. The pulling amount / winding amount per unit time of the seat raising / lowering wire in the two winding drums 15c from which the seat raising / lowering wire engaged with 15e extends.

As shown in FIGS. 4 and 5, the gantry device 20 includes a gantry body 20 </ b> A. The gantry body 20A is provided with a pair of concave portions having a U-shaped cross section. The pair of recesses have a bottom surface, a top surface, and a side surface, and have an inverted L-shaped rail member on the outer edge of the bottom surface. The upper surface of the recess functions as a roller shutter movement guide 24a. Therefore, a slide rail is formed by the upper surface of the rail member, the lower surface of the roller shutter movement guide 24a, and the side surface of the recess. A roller shutter 21 composed of a plurality of rollers 21A is slidably sandwiched between the slide rails, so that the roller shutter 21 is provided so as to cross the pair of side walls of the bathtub. The height from the upper surface of the rail member to the lower surface of the roller shutter movement guide 24a is substantially equal to the diameter of the roller shaft of the roller 21A. Both ends of the roller shafts of the plurality of rollers 21A are connected to the roller shutter wire 22, respectively. That is, the roller 21A is a metal roller shaft covered with a rubber or plastic roller cover, and this roller shaft is connected by two roller shutter wires 22, of which one roller shutter wire 22 is connected. Is connected to one end of the roller shaft, and the other roller shutter wire 22 is connected to the other end of the roller 21A.
The roller shutter movement guide 24a extends from the front end to the rear end of the recess, and is inclined so that the lower surface of the roller shutter movement guide 24a faces upward as it approaches a second wire direction changing pulley 24c (described later). It has been.
The rail member extends from the front end side of the recess toward the rear end. A region formed by the recess and the rail member is a cavity where only the roller shutter wire 22 exists.
The gantry device 20 has two upper pulleys 23a, two first wire direction changing pulleys 24b, and two second wire direction changing pulleys 24c. One upper pulley 23a is disposed above the pair of recesses of the gantry body 20A, and the two upper pulleys 23a are connected by a shaft having a circular cross section disposed so as to cross the pair of side walls of the bathtub. Yes. One first wire direction changing pulley 24b is disposed at each of the tip ends of the pair of recesses of the gantry body 20A. The second wire direction changing pulley 24c is 1 below each of the positions below the upper pulley 23a and passing through the center of the second wire direction changing pulley 24c on the horizontal line passing through the center of the first wire direction changing pulley 24b. One is arranged.
The upper pulley 23a, the first wire direction changing pulley 24b, and the second wire direction changing pulley 24c in the gantry body 20A pass through the center in the width direction of the gantry body 20A and are based on the symmetry axis in the direction orthogonal to the width direction. Arranged so as to be line symmetric.

The roller shutter wire 22 passes through the pair of slide rails from the upper pulley 23a via the bent portion of the roller shutter movement guide 24a, and the direction in which the wire extends is changed by the first wire direction changing pulley 24b. It passes through the space formed by the member and the recess, and is arranged so as to return to the upper pulley 23a via the second wire direction changing pulley 24c. The roller shutter constituted by the plurality of rollers 21 is movable by the roller shutter wire 22 so as to be positioned between the slide rail and the upper pulley 23a and the rear end of the roller shutter moving guide 24a.
In addition, the roller shutter stop plate 25 extends across the pair of side walls of the bathtub so that the roller shutter 21 does not move beyond a predetermined height between the upper pulley 23a and the rear end of the roller shutter movement guide 24a. Provided. The roller shutter stop plate 25 is a plate material fixed at a predetermined height position and having a predetermined thickness.
The roller shutter wire 22 advances by rotating the upper pulley 23 a by the handle 23. The traveling direction of the roller shutter wire 22 is determined by the rotation direction of the handle 23.

When the person being assisted is transferred to the bathtub for bathing, the seating device 10 passes over the roller shutter. When the seating device moving roller of the seating device 10 is positioned on the upper surface of the gantry body 20A, that is, above the recess, the gantry body 20A has a circular shape in plan view in order to restrict the movement of the seating device 10. The seating device fixing pin insertion hole 26a and an L-shaped stopper 26b in front view are provided. The movement of the seating device 10 is restricted by sandwiching the seating device 10 between the seating device fixing pin inserted into the seating device fixing pin insertion hole 26a and the stopper 26b.
When the seating device 10 comes into contact with the stopper 26b, the stopper 26b is provided at a predetermined position so that the seating device moving roller 14a of the seating device can be positioned on the upper surface of the gantry body 20A, that is, above the recess. .

  As shown in FIG. 1, a moving carriage 100 on which a seating device 10 is placed is used for a person being assisted to move from an assistance bed or the like to a bathtub, and includes four wheels 101 and two wheels. A stopper 103 for restricting movement of the moving rod 102 and the seating device 10 is provided. The height of the carriage surface of the movement carriage 100 is set in advance so that the line connecting the pedestal face of the movement carriage 100 and the upper part of the roller shutter 21 when the gantry device 20 is placed on the bathtub 110 is horizontal. It has been adjusted.

Next, a method for bathing the person being assisted using this bathing assistance system will be described with reference to FIG.
First, as shown in FIG. 6A, the person being assisted is seated on the seating surface of the seating device 10 with the plate member 12 a suspended. Then, the person being assisted is placed on the footrest 12. Then, the assistant moves the seating device 10 to the side wall of the bathtub 110 using the moving carriage 100 with the moving rod 102.
After the seating device 10 moves to the side wall of the bathtub 110, as shown in FIG. 6B, the plate 12a is leveled, and the angle adjusting pin 12d is inserted into the angle adjusting unit 12c to fix the plate 12a. Thereafter, it is confirmed that the roller shutter 21 is disposed on the slide rail. When the roller shutter 21 is not disposed on the slide rail, the roller shutter is moved by the handle 23 so that the roller shutter 21 is disposed on the slide rail. At this time, the roller shutter 21 moves to the slide rail along the roller shutter movement guide 24a.
Thereafter, the seating device moving roller 14a is rotated by pushing the seating device 10 from the side surface, and the seating device 10 is moved so that the seating device 10 contacts the stopper 26b (FIG. 6C). At this time, the height of the carriage surface of the movement carriage 100 is such that the line connecting the pedestal face of the movement carriage 100 and the upper part of the roller shutter 21 when the gantry device 20 is placed on the bathtub 110 is horizontal. Therefore, the seating device 10 can easily move on the pipe shutter of the gantry device 20. Further, when the seating device 10 comes into contact with the stopper 26b, the seating device moving roller 14a of the seating device 10 is positioned on the upper surface of the gantry body 20A, that is, above the recess. For this reason, a gap is formed between the seating device 10 and the roller shutter.
Then, the handle 23 is rotated, and the roller shutter 21 is moved so that the roller shutter is positioned between the upper pulley 23a and the rear end of the roller shutter movement guide 24a. By the movement of the roller shutter 21, the obstacle is removed between the seat and footrest 12 and the bathtub 110, and the seat and footrest 12 can be lowered into the bathtub 110.
Thereafter, the seat raising / lowering handle 15 is rotated, the seat and the footrest 12 are lowered, and the person being assisted is bathed. At this time, the pulling amount / winding amount per unit time of the four seat lifting / lowering wires due to the rotation of the seat lifting / lowering handle 15 differs depending on the mounting position of the lifting pulley 15e with which the wires are engaged. The seating surface 11 is inclined with respect to the length direction of the bathtub so that the assistant tilts backward, so that the assistant can comfortably bathe.
When finishing the bathing of the person being assisted, the description will be omitted because it is only necessary to go back to the previous procedure.

  The present invention is useful for an assistance system technology that reduces the burden on the caregiver, allows the care recipient to take a safe bath, and does not get in the way when a healthy person takes a bath.

10 seating device,
20 Mounting device,
11 Seat,
12 Footrest,
12b hinge,
12c angle adjustment part,
12d angle adjustment pin,
14a Seating device moving roller,
15 Seat lift handle,
15c winding drum,
21 roller shutter,
23 Handle 110 Bathtub.

  The present invention relates to a bathing assistance system, and more specifically, a bathing assistance system that can transfer a person being assisted while sitting on the seat to the side of the bathtub, and allows safe bathing without transferring from the seat. About.

  For the bathing of elderly people who are difficult to walk on their own, persons with physical disabilities, etc., it requires a lot of assistance, and back pain including tight waist is serious, and bathing assistance at home is difficult. is there. Then, the apparatus of patent document 1 is proposed as a method which a caregiver can take a bath easily in the state which made the caregiver seated on the chair part.

The device described in Patent Document 1 can transfer a person who needs care without sitting at a remodeling cost of a general household bathroom, etc. while sitting on a chair part near the bathtub, and A transfer device that can be bathed without being transferred from the chair is described.
The transfer device includes a first rail portion and a second rail portion, and the first rail portion and the second rail portion are in a connected state, and the lifting mechanism portion is slid between the first rail portion and the second rail portion by sliding. It can be handed over. The first rail portion travels together with the carriage on the rail portion that supports the lift chair unit so as to be movable in the width direction of the seat plate. The second rail portion is provided on the bathtub side, and the first rail portion is And dissociation is possible. The lift chair unit has a chair portion and a lift mechanism portion that supports the chair portion so as to be liftable.

Japanese Patent Laying-Open No. 2015-58054

  However, according to the apparatus described in Patent Document 1, the chair portion is supported by only two rails on the bathtub side. For this reason, there is a risk that the two rails bend. Moreover, even if a strong rail is used, when a healthy person uses a bathtub, the two rails may get in the way.

  Therefore, as a result of earnest research, the present inventors pay attention to the gantry device placed on the upper part of the pair of side walls of the bathtub, and when it is possible to store the pedestal support member at a time other than when the person being taken is bathing, The inventors have found that these problems can be solved, and have completed the present invention.

  This invention reduces the burden on the caregiver when the caregiver assists the person being taken by the bather, allows the caregiver to take a safe bath, and does not interfere with the healthy person taking a bath. The purpose is to provide a bathing assistance system.

The invention described in claim 1 is a bathing assistance system having a seating device and a gantry device, wherein the seating device has a footrest portion connected to a side surface of a seat portion having a rectangular seat surface in plan view. And a pedestal that can be moved and moved by a moving roller, and an elevating mechanism that elevates and lowers the pedestal using elevating wires, and the gantry device is placed on top of a pair of side walls of the bathtub. A pedestal support member that supports the pedestal when the pedestal travels from the outside of the bathtub to the upper portion of the bathtub, and a storage mechanism portion that stores the pedestal support member, and is disposed above the pair of side walls. The mounted gantry device has a pair of slide rails extending in the extending direction of the side wall, and the pedestal support member is slidably supported by the slide rails and includes a plurality of rollers connected by wires. Roller shutter When the roller shutter is disposed on the slide rail, the plurality of rollers lie between the pair of side walls, and the seating device is allowed to travel on these rollers to advance the wire. When the roller shutter is stored in the storage mechanism, the pedestal is a bathing assistance system that can be moved up and down by the lifting wire .

The seating device has a pedestal and a lifting mechanism.
The pedestal has a footrest connected to the seat. The seat has a rectangular seat surface in plan view. The footrest part is connected to the seat part downward from the side face of the seat part. The footrest is a member for placing a foot when the person being assisted sits down. The type of the footrest is not particularly limited. Examples include plate-like cloth-like ones.
The travel means is not particularly limited regarding the travel of the pedestal. The thing by a roller, the thing by a motor drive, etc. are mentioned. Further, the traveling of the pedestal may be a traveling of a seating device including the pedestal in addition to the traveling of the pedestal alone.
The raising / lowering mechanism part raises / lowers the base. That is, the seat portion and the footrest portion are lifted and lowered simultaneously by the lifting mechanism portion. The raising / lowering means by the raising / lowering mechanism part is not particularly limited, and examples thereof include raising / lowering by motor driving and driving by handle. It is also possible to provide a plurality of lifting mechanism sections and to change the lifting speed of the lifting mechanism sections.

The gantry device is placed on the upper part of the side wall of the bathtub, and supports the seating device when the person being taken by the person takes a bath. The bathtub has a rectangular shape in plan view having four side walls and a bottom (bottom wall). A pair of side walls refers to two side walls having a long length among the four side walls. The gantry device is placed on top of the pair of side walls of the bathtub.
The gantry device includes a pedestal support member and a storage mechanism.
The pedestal support member is a member that supports the pedestal when the pedestal travels from the outside of the bathtub to the top of the bathtub. That is, the person being assisted is seated on the pedestal and transferred to the side of the side wall of the bathtub, and when the pedestal starts to move to the gantry device, until the pedestal is placed on the top of the pedestal support member, It is a member which supports a base. The pedestal support member is provided so as to cross between the pair of side walls. The pedestal support member is not particularly limited as long as it can be stored by the storage mechanism, and examples thereof include a pipe shutter, a roller shutter, and a panel shutter.
The storage mechanism is a member that stores the pedestal support member. The storage method of the pedestal support member is not particularly limited, and examples thereof include those driven by a motor, those driven by a handle, and those using a restoring force such as a spring.

According to a second aspect of the present invention, in the lifting mechanism unit, a plurality of winding drums fixed to one shaft are provided apart from each other in the width direction of the pedestal, and the lifting wires extending from the winding drums, respectively. The pedestal is connected by the control unit, and the pull-out amount of the lift wire connected to the front pulley of the pedestal is controlled to be smaller than the pull-out amount of the lift wire connected to the rear pulley of the pedestal, 2. The bathing assistance system according to claim 1, wherein the pedestal located in the bathtub is inclined so that the front side is high and the rear side is low .

According to the first aspect of the present invention, when the assistant assists the person being taken by the attendant, the attendant can be moved by the moving portion of the pedestal, and the burden on the assistant can be reduced. it can.
In addition, a pedestal support member is placed on the top of the pair of side walls of the bathtub in the gantry device, and is provided so as to cross between the pair of side walls. For this reason, even if the person being assisted is moved by the moving part of the pedestal, the person being assisted is supported by the pedestal support member and can be safely bathed.

According to the second aspect of the present invention, the elevating mechanism portion can move the pedestal up and down by the wires connected to the respective winding drums in association with the rotation of the handle. When the pedestal is located in the bathtub, the amount of wire drawn per unit time is controlled so that the pedestal is inclined with respect to the length direction of the bathtub. Thereby, the body of the person being assisted can be inclined and bathed. With this posture, the person being assisted can bathe comfortably.

It is a perspective view which shows a state when the base apparatus in the bathing assistance system which concerns on the Example of this invention has mounted in the trolley | bogie for movement. It is a perspective view which shows the connection structure of the seat part and board | plate material of a base apparatus in the bathing assistance system which concerns on the Example of this invention. It is a schematic diagram which shows the structure of the seat part raising / lowering apparatus of the base apparatus in the bathing assistance system which concerns on the Example of this invention. It is a perspective view which shows the state which removed the roller shutter and the roller shutter wire from the mount apparatus in the bathing assistance system which concerns on the Example of this invention. It is a perspective view which shows a state when the mount apparatus in the bathing assistance system which concerns on the Example of this invention has mounted in the bathtub. It is a schematic diagram which shows the bathing method of the care receiver in the bathing assistance system which concerns on the Example of this invention.

Examples of the present invention will be specifically described below.
In this embodiment, bathing aid system has a seating unit 10 and the gantry device 20. As shown in FIG. 1, the seating device 10 is placed on a moving carriage 100, and at this time, the person being assisted is seated on a seat having a seat surface 11. At this time, the foot of the person being assisted is placed on the footrest 12.
4, as shown in FIG. 5, the gantry device 20 is placed on the upper surface of the side wall substantially rectangular tub 110 in plan view has. The gantry device 20 includes a roller shutter 21 including a plurality of rollers 21A, and a wire 22 that connects the rollers 21A and functions as a shutter. The roller shutter 21 is opened and closed by moving the wire 22 with the upper pulley 23a, the roller shutter moving guide 24a, the first wire direction changing pulley 24b, and the second wire direction changing pulley 24c.

The seating device 10 has a seat portion including a rectangular seat surface 11 and a backrest portion 13 in plan view. Further, on both side surfaces of the seat portion, there is a seating device moving roller built-in portion 14 in which a seating device moving roller 14a is built. And the rectangular board | plate material 12a is attached so that angle adjustment is possible toward the downward direction from the side edge of the seat part, ie, the side edge of the seat surface 11, and the front-end | tip part of this board | plate material 12a (namely, the board | plate material 12a suspended in the seat part) The footrest portion 12 is fixed to the lower end portion.
In FIG. 2, the attachment structure of the board | plate material 12a of a seat part and a footrest part is shown. The seat portion and the plate material 12a are connected by two hinges 12b. And the angle adjustment part 12c by which the through-hole was formed in the edge part of the side surface of a seat part and the side surface of a board | plate material is provided, and angle adjustment is enabled by inserting the angle adjustment pin 12d in the angle adjustment part 12c.
The angle adjustment is performed by selecting one of two angles, one in which the plate member 12a extends downward from the seat surface 11 substantially perpendicularly to the seat surface 11, and one in which the plate member 12a is in a substantially horizontal state. is there.

A seating device moving roller 14 a for moving the seating device 10 is built in the seating device moving roller built-in portion 14. That is, one seating device moving roller 14 a is provided inside the pair of seating device moving rollers 14 of the seating device 10 so that the seating device 10 can be moved. That is, the seating device 10 has two seating device moving rollers 14a. The seating device moving roller 14a is formed by inserting a plurality (two or more ) of cylindrical rubber or resin wheel members having a predetermined length into a cylindrical metal shaft having a predetermined diameter. That is, the seating device 10 is placed on the moving carriage 100 by four or more wheel members. Thereby, even if it is a case where the load added when seating on the seating apparatus 10 is large, a seating apparatus can be used safely. As will be described later, when the seating device 10 abuts against the stopper 26b, the two seating device moving rollers 14a are positioned on the upper surface of the gantry body 20A, that is, above the recess. It is provided so as to have a sufficient separation length.

The seating device 10 is provided with a lifting device that lifts and lowers the seat and the footrest 12. That is, the lifting device lifts and lowers the seat surface 11, the footrest portion 12, and the backrest portion 13. As shown in FIG. 3, the lifting device includes a seat lifting handle 15, four winding cylinders 15 c interlocked by rotating the seat lifting handle 15, and a lifting pulley provided on the side of the seat. 15e.
The seat raising / lowering handle 15 is provided with a seat raising / lowering handle sprocket 15a. Then, the winding drum rotating sprocket 15b rotates in conjunction with the rotation of the seat raising / lowering handle 15 via the chain. Winding drum rotating sprocket 15 b has an axis of a predetermined length, winding drum 15c is attached at four positions of the shaft. That is, four winding drums 15c are attached to the shaft of the winding drum rotating sprocket 15b.
The winding drum 15c is a substantially columnar member, and exerts the function of the winding drum 15c by the power of the winding drum rotating sprocket 15b, that is, the rotation of the seat lifting / lowering handle 15. The base end of each wire is fixed to the winding drum 15c. The seat raising / lowering wires fixed to the winding drum 15c extend to the raising / lowering pulleys 15e attached to both side surfaces of the seating portion 15d via the seat raising / lowering wire guiding pulley 15d. The tip of the wire is fixed by a seat lifting / lowering wire fixing member 15f provided in the seating device moving roller built-in portion 14.
Among the four winding drums 15c, the lifting pulley 15e on the front side (the one closer to the plate member 12a) among the lifting pulleys 15e attached to both side surfaces of the seat portion (hereinafter referred to as “front lifting pulley 15e”) The pulling amount / winding amount per unit time of the seat lifting / lowering wires in the two winding drums 15c from which the seat lifting / lowering wires that engage with each other extend are the same. In other words, the diameters of the two winding drums 15c from which the seat raising / lowering wires engaged with the front raising / lowering pulley 15e extend are the same.
Further, among the lifting pulleys 15e attached to both side surfaces of the seat portion, the lifting pulley 15e on the rear side (the one closer to the winding drum 15c) (hereinafter referred to as “rear lifting pulley 15e”) is related. The pulling amount / winding amount per unit time of the seat raising / lowering wires in the two winding drums 15c to which the mating seat raising / lowering wires extend is the same. That is, the diameters of the two winding drums 15c from which the seat raising / lowering wires that engage with the rear raising / lowering pulley 15e extend are the same.
And the diameter of the two winding cylinders 15c from which the seat raising / lowering wire engaging with the front raising / lowering pulley 15e extends is the same as the diameter of the two winding cylinders 15c from which the seat raising / lowering wire engaging with the rear raising / lowering pulley 15e extends. It is larger than the diameter of the two winding drums 15c. That is, the pulling amount / winding amount per unit time of the seat raising / lowering wire in the two winding drums 15c extending from the seat raising / lowering wire engaged with the front raising / lowering pulley 15e is the rear raising / lowering pulley. The pulling amount / winding amount per unit time of the seat raising / lowering wire in the two winding drums 15c from which the seat raising / lowering wire engaged with 15e extends.

As shown in FIGS. 4 and 5, the gantry device 20 includes a gantry body 20 </ b> A. The gantry body 20A is provided with a pair of concave portions having a U-shaped cross section. The pair of recesses have a bottom surface, a top surface, and a side surface, and have an inverted L-shaped rail member on the outer edge of the bottom surface. The upper surface of the recess functions as a roller shutter movement guide 24a. Therefore, a slide rail is formed by the upper surface of the rail member, the lower surface of the roller shutter movement guide 24a, and the side surface of the recess. A roller shutter 21 composed of a plurality of rollers 21A is slidably sandwiched between the slide rails, so that the roller shutter 21 is provided so as to cross the pair of side walls of the bathtub. The height from the upper surface of the rail member to the lower surface of the roller shutter movement guide 24a is substantially equal to the diameter of the roller shaft of the roller 21A. Both ends of the roller shafts of the plurality of rollers 21A are connected to the roller shutter wire 22, respectively. That is, the roller 21A is a metal roller shaft covered with a rubber or plastic roller cover, and this roller shaft is connected by two roller shutter wires 22, of which one roller shutter wire 22 is connected. Is connected to one end of the roller shaft, and the other roller shutter wire 22 is connected to the other end of the roller 21A.
The roller shutter movement guide 24a extends from the front end to the rear end of the recess, and is inclined so that the lower surface of the roller shutter movement guide 24a faces upward as it approaches a second wire direction changing pulley 24c (described later). It has been.
The rail member extends from the front end side of the recess toward the rear end. A region formed by the recess and the rail member is a cavity where only the roller shutter wire 22 exists.
The gantry device 20 has two upper pulleys 23a, two first wire direction changing pulleys 24b, and two second wire direction changing pulleys 24c. One upper pulley 23a is disposed above the pair of recesses of the gantry body 20A, and the two upper pulleys 23a are connected by a shaft having a circular cross section disposed so as to cross the pair of side walls of the bathtub. Yes. One first wire direction changing pulley 24b is disposed at each of the tip ends of the pair of recesses of the gantry body 20A. The second wire direction changing pulley 24c is 1 below each of the positions below the upper pulley 23a and passing through the center of the second wire direction changing pulley 24c on the horizontal line passing through the center of the first wire direction changing pulley 24b. One is arranged.
The upper pulley 23a, the first wire direction changing pulley 24b, and the second wire direction changing pulley 24c in the gantry body 20A pass through the center in the width direction of the gantry body 20A and are based on the symmetry axis in the direction orthogonal to the width direction. Arranged so as to be line symmetric.

The roller shutter wire 22 passes through the pair of slide rails from the upper pulley 23a via the bent portion of the roller shutter movement guide 24a, and the direction in which the wire extends is changed by the first wire direction changing pulley 24b. It passes through the space formed by the member and the recess, and is arranged so as to return to the upper pulley 23a via the second wire direction changing pulley 24c. The roller shutter constituted by the plurality of rollers 21 is movable by the roller shutter wire 22 so as to be positioned between the slide rail and the upper pulley 23a and the rear end of the roller shutter moving guide 24a.
In addition, the roller shutter stop plate 25 extends across the pair of side walls of the bathtub so that the roller shutter 21 does not move beyond a predetermined height between the upper pulley 23a and the rear end of the roller shutter movement guide 24a. Provided. The roller shutter stop plate 25 is a plate material fixed at a predetermined height position and having a predetermined thickness.
The roller shutter wire 22 advances by rotating the upper pulley 23 a by the handle 23. The traveling direction of the roller shutter wire 22 is determined by the rotation direction of the handle 23.

When the person being assisted is transferred to the bathtub for bathing, the seating device 10 passes over the roller shutter. When the seating device moving roller of the seating device 10 is positioned on the upper surface of the gantry body 20A, that is, above the recess, the gantry body 20A has a circular shape in plan view in order to restrict the movement of the seating device 10. The seating device fixing pin insertion hole 26a and an L-shaped stopper 26b in front view are provided. The movement of the seating device 10 is restricted by sandwiching the seating device 10 between the seating device fixing pin inserted into the seating device fixing pin insertion hole 26a and the stopper 26b.
When the seating device 10 comes into contact with the stopper 26b, the stopper 26b is provided at a predetermined position so that the seating device moving roller 14a of the seating device can be positioned on the upper surface of the gantry body 20A, that is, above the recess. .

  As shown in FIG. 1, a moving carriage 100 on which a seating device 10 is placed is used for a person being assisted to move from an assistance bed or the like to a bathtub, and includes four wheels 101 and two wheels. A stopper 103 for restricting movement of the moving rod 102 and the seating device 10 is provided. The height of the carriage surface of the movement carriage 100 is set in advance so that the line connecting the pedestal face of the movement carriage 100 and the upper part of the roller shutter 21 when the gantry device 20 is placed on the bathtub 110 is horizontal. It has been adjusted.

Next, a method for bathing the person being assisted using this bathing assistance system will be described with reference to FIG.
First, as shown in FIG. 6A, the person being assisted is seated on the seating surface of the seating device 10 with the plate member 12 a suspended. Then, the person being assisted is placed on the footrest 12. Then, the assistant moves the seating device 10 to the side wall of the bathtub 110 using the moving carriage 100 with the moving rod 102.
After the seating device 10 moves to the side wall of the bathtub 110, as shown in FIG. 6B, the plate 12a is leveled, and the angle adjusting pin 12d is inserted into the angle adjusting unit 12c to fix the plate 12a. Thereafter, it is confirmed that the roller shutter 21 is disposed on the slide rail. When the roller shutter 21 is not disposed on the slide rail, the roller shutter is moved by the handle 23 so that the roller shutter 21 is disposed on the slide rail. At this time, the roller shutter 21 moves to the slide rail along the roller shutter movement guide 24a.
Thereafter, the seating device moving roller 14a is rotated by pushing the seating device 10 from the side surface, and the seating device 10 is moved so that the seating device 10 contacts the stopper 26b (FIG. 6C). At this time, the height of the carriage surface of the movement carriage 100 is such that the line connecting the pedestal face of the movement carriage 100 and the upper part of the roller shutter 21 when the gantry device 20 is placed on the bathtub 110 is horizontal. Therefore, the seating device 10 can easily move on the pipe shutter of the gantry device 20. Further, when the seating device 10 comes into contact with the stopper 26b, the seating device moving roller 14a of the seating device 10 is positioned on the upper surface of the gantry body 20A, that is, above the recess. For this reason, a gap is formed between the seating device 10 and the roller shutter.
Then, the handle 23 is rotated, and the roller shutter 21 is moved so that the roller shutter is positioned between the upper pulley 23a and the rear end of the roller shutter movement guide 24a. By the movement of the roller shutter 21, the obstacle is removed between the seat and footrest 12 and the bathtub 110, and the seat and footrest 12 can be lowered into the bathtub 110.
Thereafter, the seat raising / lowering handle 15 is rotated, the seat and the footrest 12 are lowered, and the person being assisted is bathed. At this time, the withdrawal-amount / winding amount per unit time of the four seat lift wire by the rotation of the seat lifting handle 15 depends on the mounting position of the elevating pulley 15e of the wire is engaged, the The seating surface 11 is inclined with respect to the length direction of the bathtub so that the assistant tilts backward, so that the assistant can comfortably bathe.
When finishing the bathing of the person being assisted, the description will be omitted because it is only necessary to go back to the previous procedure.

  The present invention is useful for an assistance system technology that reduces the burden on the caregiver, allows the care recipient to take a safe bath, and does not get in the way when a healthy person takes a bath.

10 seating device,
20 Mounting device,
11 Seat,
12 Footrest,
12b hinge,
12c angle adjustment part,
12d angle adjustment pin,
14a Seating device moving roller,
15 Seat lift handle,
15c winding drum,
21 roller shutter,
23 Handle 110 Bathtub.

Claims (3)

A bathing assistance system having a seating device and a gantry device,
The seating device is
A travelable pedestal having a footrest connected to a side surface of a seat having a rectangular seat surface in plan view;
An elevating mechanism for elevating the pedestal,
The gantry device is placed on top of a pair of side walls of the bathtub,
A pedestal support member provided so as to cross between the pair of side walls, supporting the pedestal when the pedestal travels from outside the bathtub to the top of the bathtub;
A bathing assistance system comprising: a storage mechanism section for storing the pedestal support member. The lifting mechanism is provided with a plurality of cylindrical winding drums spaced apart in the width direction of the pedestal,
The pedestal is connected by a wire extending from the winding drum,
The bathing assistance system according to claim 1, wherein the pedestal located in the bathtub is inclined with respect to a length direction of the bathtub by controlling a drawing amount of the wire per unit time.   The bathing assistance system according to claim 1, further comprising an angle adjustment mechanism that enables adjustment of an angle formed by the seat and the footrest.

Images