WO2014192353A1

WO2014192353A1 - Posture aid

Info

Publication number: WO2014192353A1
Application number: PCT/JP2014/055558
Authority: WO
Inventors: 太郎深澤; 忠明根本; 雄飛小山; 祐一朗高橋
Original assignee: 株式会社吉田製作所
Priority date: 2013-05-31
Filing date: 2014-03-05
Publication date: 2014-12-04
Also published as: JP2014233405A; JP6096057B2

Abstract

This posture aid (1), which is for supporting the head and back of a user seated in a chair, is provided with: a bottom frame (10) disposed overlapping the front surface or back surface of the back board of a chair; a top frame (20) foldably linked to the bottom frame (10); and a cover (50) attached to the bottom frame (10) and the top frame (20). A plurality of belts (40) are provided to the bottom frame, and the bottom frame (10) and top frame (20) can be attached/detached from the back board by means of the belts (40). By means of such a configuration, easier carrying is possible in the state of the bottom frame (10) and top frame (20) being folded up.

Description

Postural assistance

The present invention relates to a posture support tool for stabilizing the posture of a user sitting on a chair.

When performing dental treatment of a patient seated in a wheelchair, it is necessary to stabilize the back and head of the patient disposed above the back plate of the wheelchair.
The position support tool for stabilizing the posture of a patient seated in a wheelchair includes a lower frame attached to a back plate, an upper frame foldably connected to the lower frame, a lower frame, and an upper frame. Some have a cover placed on a frame (see, for example, Patent Document 1).

The patient's back and head can be supported by inserting the above-mentioned position assisting tool between the patient's back and the wheelchair backplate with the lower frame and the upper frame open.

JP 2012-157390 A

When transporting the above-described conventional body posture assisting tool, the lower frame and the upper frame can be folded to make the whole compact. And the body posture assistance tool is housed in a case or a housing bag so that the lower frame body and the upper frame body are not opened, and the body posture assistance tool is easily held. In such a conventional body posture assistance tool, there is a problem that a case and a storage bag are required at the time of transportation, and the operation of storing in the case and the storage bag is complicated.

This invention solves the above-mentioned problem, and makes it a subject to provide the posture support tool which can make it easy to convey in the state which folded the lower frame and the upper frame.

In order to solve the above-mentioned problems, the present invention is a body posture assisting tool for supporting the back and head of a user seated on a chair, and is a lower part disposed on the front or rear surface of the back plate of the chair. A frame, an upper frame foldably connected to the lower frame, and a cover attached to the lower frame and the upper frame, the lower frame and the upper frame A plurality of belts are provided on at least one of the belts, and the lower frame body and the upper frame body can be attached to and detached from the back plate by the belts.

In this configuration, since the lower frame body and the upper frame body are attached to the back plate by the plurality of belts, the body position assisting tool can be stabilized with respect to the back plate.
In addition, when comprised so that a some belt may be attached to a backplate above the armrest part of a chair, it becomes easy to attach a belt to a backplate.

When carrying the posture assisting device of the present invention, the lower frame and the upper frame are opened by tying the lower frame and the upper frame with a belt in a state where the lower frame and the upper frame are folded. Can be prevented. Further, since other belts can be used as shoulder straps or hand straps, it is easy to hold the posture assisting tool.

In the posture assisting device described above, the cover has elasticity, and a pillow is detachably attached to the front surface of the cover, and when the lower frame body and the upper frame body are folded, the cover It is desirable that the pillow can be accommodated therebetween.

In this configuration, when the lower frame and the upper frame are folded while the pillow is attached to the cover, the pillow can be accommodated between the covers by extending a part of the cover. Therefore, the posture assisting tool can be transported without removing the pillow from the cover. Moreover, since it can prevent that a lower frame and an upper frame open by a belt, it can prevent that a pillow falls from between covers.

In the body posture assistance tool described above, a lock member fixed to the lower frame body and the upper frame body may be provided. The lock member is connected to one of the lower frame body and the upper frame body so as to be rotatable about a vertical axis, and to the other of the lower frame body and the upper frame body. And a fitting portion that is detachably fitted, and an engagement groove that is engaged with a protrusion formed on the lower frame or the upper frame, and the locking member is the lower frame or The protrusion and the engagement groove can be engaged and disengaged by moving in the vertical direction with respect to the upper frame.

In this configuration, the lower frame and the upper frame can be kept open by fixing the lock member to the lower frame and the upper frame. In addition, since the locking member cannot be rotated by engaging the engaging groove of the locking member with the protrusion, the locking member can be reliably fixed to the lower frame and the upper frame. .

In the posture assisting tool described above, the lower frame includes a pair of left and right side frames and a lower frame connecting the lower ends of the both side frames, and the lower frame is curved so as to protrude rearward. It is desirable to be a flat plate.

In this configuration, the thickness of the lower end frame decreases in the front-rear direction, and the lower end frame is curved so as to follow the back of the user. Therefore, the posture assisting tool is provided between the back of the user and the back plate of the chair. The pressure at which the lower end frame is pressed against the user's back when inserting the can be reduced.

In the body posture assistance tool, the cover includes a lower bag body that covers the lower frame body, and an upper bag body that covers the upper frame body, and the openings of the lower bag body and the upper bag body It is desirable that the upper and lower sides face each other on the rear surface side of the cover.

In this configuration, when the cover is placed on the lower frame body and the upper frame body, the cover is folded so that the front surface of the cover overlaps with the fold between the opening of the lower bag body and the opening of the upper bag body. Further, the lower frame body and the upper frame body are folded, and the tip end portion of the lower frame body is inserted into the opening portion of the lower bag body, and the tip portion of the upper frame body is inserted into the opening portion of the upper bag body. Thereafter, the cover can be easily mounted on the lower frame and the upper frame by opening the lower frame and the upper frame.
In addition, the cover cannot be removed from the lower frame and the upper frame when the lower frame and the upper frame are open. Can be prevented.

In the body posture assistance tool described above, it is desirable to provide a see-through region in which at least the upper part of the cover can be seen through from the rear side to the front side.

In this configuration, the posture of the user sitting on the chair can be seen from the rear of the chair through the see-through region of the cover. For example, when treating a user seated on a chair, the user can be ascertained from the back of the chair, so that the safety of the treatment can be improved.
The see-through region can be formed by, for example, a mesh-like region, a transparent region, or a region in which a plurality of holes or grooves are opened. Moreover, when a see-through | perspective area | region has air permeability like the area | region where a mesh-shaped area | region or a hole or a groove | channel opened, it can prevent that a user's back part gets steamed. In addition, you may provide a see-through | perspective area | region in the whole cover.

The postural assistance device of the present invention can be stabilized on the back plate of the chair by a plurality of belts. In addition, while keeping the lower frame and upper frame closed by belts, other belts can be used as shoulder straps or straps for carrying, so the lower and upper frames can be folded. It is easy to carry.

It is the side view which showed the use condition of the body posture assistance tool of this embodiment. It is a perspective view of the body posture assistance tool of this embodiment. It is the figure which showed the body posture assistance tool of this embodiment, (a) is a front view, (b) is the figure which looked at the lower frame from the downward direction. It is the side view which showed the body posture assistance tool of this embodiment. It is the figure which showed the lock member of this embodiment, (a) is the figure which looked at the lock member from upper direction, (b) looked at the state before the protrusion part of a lock member engaged with an engaging groove from the front. FIG. 4C is a view of the state in which the protrusion of the lock member is engaged with the engagement groove as viewed from the front. In the body posture assistance tool of this embodiment, it is explanatory drawing which showed the aspect which covers a lower frame and an upper frame. In the body posture assistance tool of this embodiment, it is the side view which showed the state which closed the lower frame and the upper frame. In the body posture assistance tool of this embodiment, it is the sectional side view which showed the state in which the pillow was accommodated between the covers.

Embodiments of the present invention will be described in detail with reference to the drawings as appropriate.
In the present embodiment, as shown in FIG. 1, a posture assisting tool 1 for stabilizing the posture of the patient M when performing dental treatment of the patient M seated on the wheelchair 2 will be described.

The postural assistance tool 1 includes a lower frame body 10 attached to the back plate 3 of the wheelchair 2 and an upper frame body 20 that is foldably connected to the lower frame body 10. The body posture assisting tool 1 includes two lock members 30 and 30 (see FIG. 2) provided on the upper frame 20 and two

belts

40 and 40 provided on the lower frame 10. . Further, the body posture assistance tool 1 includes a cover 50 attached to the lower frame body 10 and the upper frame body 20, and a pillow 60 attached to the cover 50.

The body position assisting tool 1 is inserted between the back Mb of the patient M and the back plate 3 of the wheelchair 2 with the lower frame 10 and the upper frame 20 opened, and the lower frame is formed by the two

belts

40 and 40. 10 is attached to the back plate 3. Thereby, the back part Mb and the head Ma of the patient M can be supported by the upper part of the cover 50 and the pillow 60.

As shown in FIG. 3A, the lower frame 10 includes a pair of left and right side frames 11, 11 and a lower end frame 12 that connects lower ends of the left and right side frames 11, 11. Yes. The left and right side frames 11, 11 are arranged perpendicular to the lower end frame 12.
The side frame 11 is a metal pipe. The width of the left and right side frames 11 and 11 is slightly smaller than the width of the back plate 3 (see FIG. 1) of the wheelchair 2.

The lower end frame 12 is a flat plate whose thickness in the front-rear direction is smaller than that of the side frame 11 as shown in FIG. Both end portions of the lower end frame 12 are fixed to the front surfaces of the lower end portions of the left and right side frames 11 and 11 by fixing means such as rivets and bolts (see FIG. 3A).

The lower end frame 12 is curved in an arc shape so that the middle portion in the left-right direction protrudes backward. That is, the lower end frame 12 is curved so as to follow the back Mb (see FIG. 1) of the patient M. The lower end frame 12 is curved so as not to protrude rearward from the left and right side frames 11, 11. The lower end frame 12 is fitted with a urethane protective pad 12a made of urethane.

As shown in FIG. 3A, the upper frame body 20 is formed by bending a metal pipe, and includes a pair of left and right side frames 21, 21 and upper ends of the left and right side frames 21, 21. An upper end frame 22 that connects the two is formed. The left and right side frames 21, 21 are arranged perpendicular to the upper end frame 22. A cylindrical protective pad 22a made of urethane is externally fitted to the upper end frame 22.
In the present embodiment, the upper frame body 20 is formed by bending a pipe. However, both ends of the upper end frame 22 are fixed to the upper end portions of the left and right side frames 21 and 21, such as rivets and bolts. It may be fixed by means.

The width of the left and right side frames 21, 21 of the upper frame 20 is the same as the width of the left and right side frames 11, 11 of the lower frame 10.
The lower ends of the left and right side frames 21, 21 of the upper frame 20 are arranged in front of the upper ends of the left and right side frames 11, 11 of the lower frame 10, as shown in FIG. 4).

A plate-like connecting member 70 is fixed to the upper ends of the left and right side frames 11 and 11 of the lower frame 10 by fixing means such as rivets and bolts. Lower ends of the left and right side frames 21 and 21 of the upper frame 20 are pivotally supported on the connecting member 70 so as to be rotatable. Thereby, the upper frame 20 is tiltable in the front-rear direction with respect to the lower frame 10 (see FIG. 7).

By tilting the upper frame body 20 with respect to the lower frame body 10, the lower frame body 10 and the upper frame body 20 can be opened and closed as shown in FIG. When the lower frame 10 and the upper frame 20 are folded in half, the front sides of the lower frame 10 and the upper frame 20 are folded over.
Further, in a state where the lower frame body 10 and the upper frame body 20 are opened, a rectangular frame body is formed by the lower frame body 10 and the upper frame body 20 as shown in FIG.

When the lower frame body 10 and the upper frame body 20 are opened, the lower portions of the left and right side frames 21 and 21 of the upper frame body 20 are at the upper ends of the left and right side frames 11 and 11 of the lower frame body 10. By abutting from the front, it is possible to prevent the upper frame body 20 from tilting backward from the lower frame body 10 (see FIG. 4).

The lock member 30 is a member for preventing the lower frame body 10 and the upper frame body 20 from being closed as shown in FIG. The

lock members

30 and 30 are attached to the lower portions of the left and right side frames 21 and 21 of the upper frame 20.

As shown in FIG. 5A, the lock member 30 is fitted to the turning portion 31 fitted to the side frame 21 of the upper frame 20 and the side frame 11 of the lower frame 10. The joint part 32 and the protrusion piece 33 provided in the outer surface of the fitting part 32 are provided. Further, as shown in FIG. 5B, the lock member 30 includes a positioning groove 34 formed in the rotating portion 31 and an engaging groove 35 that is engaged with the protruding portion 21 a of the upper frame body 20. I have.

The rotation part 31 is a substantially semicircular part fitted to the outer peripheral surface of the side frame 21 of the upper frame 20 as shown in FIG. The rotating portion 31 is rotatable around the axis of the side frame 21 (up and down in the vertical direction) while being fitted to the side frame 21 of the upper frame body 20, and is attached to the side frame 21. On the other hand, it is movable up and down.

The fitting portion 32 is formed substantially continuously with the side portion of the rotating portion 31 and is a substantially semicircular portion that is fitted to the outer peripheral surface of the side frame 11 of the lower frame body 10.
The fitting part 32 can be attached to and detached from the side frame 11 by turning the turning part 31 about the axis of the side frame 21 of the upper frame body 20.

As shown in FIG. 2, with the lower frame body 10 and the upper frame body 20 opened, the fitting portions 32 and 32 (see FIG. 5A) of the two

lock members

30 and 30 are connected to the lower frame body 10. By fitting the left and right side frames 11, 11, both

lock members

30, 30 can be fixed to the lower frame body 10 and the upper frame body 20. Thereby, since the lower frame 10 and the upper frame 20 are fixed, the lower frame 10 and the upper frame 20 can be kept open.

The protruding piece 33 is a plate-like portion protruding from the outer peripheral surface of the fitting portion 32 as shown in FIG. When the lock member 30 is rotated and moved up and down, the lock member 30 can be easily operated by pressing the finger of the person to be operated against the protruding piece 33.

As shown in FIG. 5 (b), a positioning groove 34 is opened at an intermediate portion in the vertical direction of the rotating portion 31. When the rotating part 31 is fitted to the side frame 21 of the upper frame body 20, the protrusion 21 a provided on the outer peripheral surface of the side frame 21 is disposed in the positioning groove 34, thereby the lock member 30 is It can be positioned at the lower end of the side frame 21.
In addition, although the projection part 21a is a head part of the volt | bolt attached to the outer peripheral surface of the side frame 21 of the upper frame 20, the structure of the projection part 21a is not limited.

Also, a concave engagement groove 35 that is engaged with the protrusion 21a is formed at the upper edge of the positioning groove 34. As shown in FIG. 5C, the engaging groove 35 is configured to engage with the protruding portion 21 a by pushing down the lock member 30 with respect to the side frame 11. In a state where the protrusion 21 a is engaged with the engagement groove 35, the rotation part 31 can no longer rotate with respect to the side frame 11, and the lock member 30 is fixed to the side frame 21.

The two

belts

40 and 40 are belt-like members for attaching the lower frame 10 to the back plate 3 of the wheelchair 2 as shown in FIG. As shown in FIG. 3A, both ends of the belt 40 are attached to the upper parts of the left and right side frames 11, 11 of the lower frame 10. The belt 40 is detachably attached to the side frame 11 using a snap button, but the attachment method is not limited.

The two

belts

40, 40 are arranged with an interval in the vertical direction. As shown in FIG. 1, the upper and

lower belts

40, 40 are arranged above the armrest 4 when the lower frame 10 is overlapped on the front surface of the back plate 3 of the wheelchair 2.

As shown in FIG. 3A, the belt 40 is divided at an intermediate portion in the left-right direction and is connected by a plug-in type buckle 41.
As shown in FIG. 1, when attaching the body posture assisting tool 1 to the back plate 3 of the wheelchair 2, the lower frame 10 is overlapped on the front surface of the back plate 3, and the

buckles

41 and 41 of the upper and

lower belts

40 and 40 are attached. The back plate 3 is connected on the rear side. In this way, the lower frame 10 can be attached to the front surface of the back plate 3 by binding the upper and

lower belts

40, 40 to the back plate 3.

The cover 50 includes a lower bag body 51 that covers the lower frame body 10 and an upper bag body 52 that covers the upper frame body 20, as shown in FIG. The lower bag body 51 and the upper bag body 52 are continuously formed on the front side as shown in FIG. The

openings

51 a and 52 a of the lower bag body 51 and the upper bag body 52 face each other vertically on the rear surface side of the cover 50.

The cover 50 is formed in a bag shape by a mesh sheet having elasticity as shown in FIG. The cover 50 has transparency that can be seen through in the front-rear direction. That is, a see-through region is formed in the entire cover 50.

A belt positioning portion 53 is formed between the lower bag body 51 and the upper bag body 52. The belt positioning portion 53 is a belt-like portion formed across the left and right edge portions of the cover 50. By arranging the belt positioning portion 53 between the upper and

lower belts

40, 40, the upper and

lower belts

40, 40 are positioned.

When the cover 50 is put on the lower frame body 10 and the upper frame body 20, as shown in FIG. 6, the cover is formed with a crease between the opening portion 51a of the lower bag body 51 and the opening portion 52a of the upper bag body 52. The cover 50 is folded in two so that the front side of the 50 is folded.
Further, the lower frame 10 and the upper frame 20 are folded, the lower end of the lower frame 10 is inserted into the opening 51a of the lower bag 51, and the upper end of the upper frame 20 is opened to the opening of the upper bag 52. Insert into 52a.
After that, as shown in FIG. 2, the cover 50 can be attached to the lower frame body 10 and the upper frame body 20 by opening the lower frame body 10 and the upper frame body 20.

Note that the cover 50 cannot be removed from the lower frame body 10 and the upper frame body 20 in a state where the lower frame body 10 and the upper frame body 20 are opened. Therefore, it is possible to prevent the cover 50 from being detached from the lower frame body 10 and the upper frame body 20 when the posture assisting tool 1 is used.

The pillow 60 includes a urethane main body 61 and a pillow belt 62 attached to the main body 61.
In the main body 61, the urethane material of the surface layer is soft with low resilience to the internal urethane material. Thus, by making the main body 61 into a double structure with urethane materials having different hardnesses, the main body 61 is suitable for supporting the head Ma and the cervical spine Mc of the patient M as shown in FIG. It is hard.

Further, the main body 61 projects forward as it goes from the upper part to the lower part, and has a substantially trapezoidal side section. Further, the front surface of the main body 61 is curved so that the central portion is recessed. The main body 61 having such a shape can stably support the head Ma and the cervical vertebra Mc of the patient M.

As shown in FIG. 2, the pillow belt 62 is attached to the rear surface of the main body 61. The body portion 61 can be attached to the front surface of the cover 50 by fitting the pillow belt 62 to the upper frame 20 from the outside of the cover 50.
Further, by moving the pillow belt 62 in the vertical direction with respect to the upper frame body 20, the mounting height of the main body 61 can be easily adjusted.
In addition, although the main-body part 61 is attached to the cover 50 with the pillow belt 62, you may attach the main-body part 61 to the cover 50 using a hook-and-loop fastener.

When carrying the body posture assisting tool 1, the lower frame body 10 and the upper frame body 20 are folded with the pillow 60 attached to the cover 50 (see FIG. 7). Accordingly, as shown in FIG. 8, the cover 50 is folded together with the lower frame body 10 and the upper frame body 20, and the main body 61 is sandwiched between the covers 50. At this time, since the cover 50 is pushed and extended by the main body 61, the main body 61 of the pillow 60 can be accommodated between the covers 50.

Next, as shown in FIG. 7, the lower belt 40 is stretched over the rear surface side of the upper frame 20 to connect the buckle 41. In this way, the lower frame 10 and the upper frame 20 can be kept closed by binding the lower frame 10 and the upper frame 20 with the lower belt 40. Thereby, it can prevent that the main-body part 61 of the pillow 60 falls from between the covers 50. FIG.
Then, the posture assisting device 1 can be carried using the upper belt 40 as a strap for shoulder or handbag.

When attaching the body posture assistance tool 1 to the back plate 3 (see FIG. 1) of the wheelchair 2, the lower frame body 10 and the upper frame body 20 are opened as shown in FIG. In this state, the left and right lock members 30 are fitted to the left and right side frames 11 of the lower frame 10. Thereby, the lower frame 10 and the upper frame 20 can be kept open.

Subsequently, as shown in FIG. 1, the body position assisting tool 1 is inserted between the back Mb of the patient M and the back plate 3 of the wheelchair 2. At this time, it inserts between the back part Mb and the backplate 3 from the lower end frame 12 (refer FIG. 2) of the lower frame 10. FIG.
As shown in FIG. 3B, the lower end frame 12 has a reduced thickness in the front-rear direction and is curved along the back Mb of the patient M (see FIG. 1). Accordingly, as shown in FIG. 1, the pressure at which the lower end frame 12 (see FIG. 2) is pressed against the back Mb of the patient M when the postural assistance tool 1 is inserted between the back Mb of the patient M and the back plate 3. Can be reduced.

After the lower frame 10 is overlaid on the front surface of the back plate 3, the

buckles

41 and 41 of the upper and

lower belts

40 and 40 are connected on the rear surface side of the back plate 3. In this way, the lower frame 10 is attached to the front surface of the back plate 3 by binding the upper and

lower belts

40, 40 to the back plate 3. Thereby, the body posture assistance tool 1 is fixed to the back plate 3.
Furthermore, the mounting height of the main body 61 of the pillow 60 is adjusted to correspond to the head Ma and the cervical spine Mc of the patient M.

The posture assisting tool 1 as described above can be stabilized with respect to the back plate 3 of the wheelchair 2 by means of two upper and

lower belts

40, 40 as shown in FIG.
Further, when the posture assisting tool 1 is transported, the lower frame 40 and the upper frame 20 are prevented from being opened by the lower belt 40, and the upper belt 40 is used as a shoulder strap or a hand strap. Therefore, the lower frame body 10 and the upper frame body 20 are easily transported in a folded state.

Moreover, since the posture of the patient M seated on the wheelchair 2 can be seen from the back of the wheelchair 2 through the cover 50, the state of the patient M can be grasped from the back of the wheelchair 2 at the time of treatment, and the safety of treatment is improved. be able to.
Further, since the cover 50 is formed of a breathable mesh sheet, the back Mb of the patient M can be prevented from being steamed.

The embodiment of the present invention has been described above, but the present invention is not limited to the above-described embodiment, and can be appropriately changed without departing from the spirit of the present invention.
For example, in the present embodiment, as shown in FIG. 1, the entire cover 50 is provided with a see-through region. However, in order to see the head Ma of the patient M from the rear of the wheelchair 2, at least the upper part of the cover 50 is seen through. It suffices if an area is provided.

In the cover 50 of the present embodiment, the see-through region is formed by a mesh-like sheet, but the configuration is not limited.
For example, the see-through region may be formed by a transparent sheet made of polyvinyl chloride. Further, the see-through region may be formed by a sheet having a plurality of holes and grooves. Further, the see-through region may be formed by arranging a plurality of belt-like sheets or a plurality of strings in parallel or in a lattice shape.

In the present embodiment, the lower frame body 10 is superimposed on the front surface of the back plate 3 of the wheelchair 2, but the lower frame body 10 may be stacked and fixed on the rear surface of the back plate 3.

In the present embodiment, the upper and

lower belts

40, 40 are provided on the lower frame 10, but two or more belts 40 may be provided. Further, the plurality of belts 40 may be provided on the upper frame body 20, or may be provided on both the lower frame body 10 and the upper frame body 20.

In this embodiment, as shown in FIG. 3A, the two lock members 30 are provided on the upper frame 20, but the shape and number of the lock members 30 are not limited. Further, the lock member 30 may be provided on the lower frame 10.

Further, the cover 50 of the present embodiment is formed with the lower bag body 51 and the upper bag body 52, but the cover 50 is constituted by one bag body and a fastener is provided on the outer peripheral edge of the cover 50. An opening may be provided on the outer peripheral edge of the cover 50.

Further, in the present embodiment, the lower frame body 10 and the upper frame body 20 are formed of a metal material. However, if the strength can be sufficiently ensured, the lower frame body 10 and the upper frame body 20 as a whole. Alternatively, a resin material such as carbon may be used in part.

DESCRIPTION OF SYMBOLS 1 Position assistance tool 2 Wheelchair 3 Back board 4 Armrest part 10 Lower frame 11 Side frame 12 Lower frame 20 Upper frame 21 Side frame 21a Protrusion part 22 Upper frame 30 Lock member 31 Turning part 32 Fitting part 33 Projection Piece 34 Positioning groove 35 Engaging groove 40 Belt 41 Buckle 50 Cover 51 Lower bag 51a Opening 52 Upper bag 52a Opening 60 Pillow 61 Main body 62 Pillow belt 70 Connecting member M Patient (user)
Ma head Mb back Mc cervical spine

Claims

A posture support tool for supporting the back and head of a user seated on a chair,
A lower frame disposed on the front or rear surface of the back plate of the chair;
An upper frame that is foldably connected to the lower frame;
A cover attached to the lower frame and the upper frame,
A plurality of belts are provided on at least one of the lower frame and the upper frame,
The posture assisting tool, wherein the lower frame and the upper frame are detachably attached to the back plate by the belts.
The cover has elasticity,
A pillow is detachably attached to the front of the cover,
The body posture assistance tool according to claim 1, wherein the pillow can be accommodated between the covers when the lower frame body and the upper frame body are folded.
A locking member is provided to be fixed to the lower frame and the upper frame;
The locking member is
A rotating part connected to one of the lower frame and the upper frame so as to be rotatable about a vertical axis;
A fitting portion detachably fitted to the other of the lower frame and the upper frame;
An engaging groove engaged with a protrusion formed on the lower frame or the upper frame,
2. The first aspect of the invention is characterized in that the protrusion and the engagement groove can be freely engaged and disengaged by moving the lock member in the vertical direction with respect to the lower frame or the upper frame. Or the body posture assistance tool of Claim 2.
The lower frame is
A pair of left and right side frames;
A lower end frame that connects lower end portions of the both side frame, and
The body position assisting device according to claim 1 or 2, wherein the lower end frame is a flat plate curved so as to protrude rearward.
The cover is
A lower bag that covers the lower frame;
An upper bag body that covers the upper frame body,
The body position assisting device according to claim 1 or 2, wherein the openings of the lower bag body and the upper bag body face each other vertically on the rear surface side of the cover. .
The body position assisting device according to claim 1 or 2, wherein a see-through region in which the front side can be seen through from the rear side is provided at least in the upper part of the cover.