KR20240030526A - Auxiliary device for bed movement of wheelchair patients - Google Patents

Abstract

This technology relates to an auxiliary device for bed movement that helps patients using wheelchairs to easily move to the bed on their own. More specifically, it is placed in the space under the bed so that it can be opened and closed, and the outer surface is equipped with a drive motor provided on the bed. It includes a case that is coupled to each other and receives the power necessary for movement, and at least one cushion body provided on the upper part of the case, wherein a first gear rotatably coupled to the drive motor is inserted into the outer surface of the case. An insertion groove is formed in the longitudinal direction, and a second gear that engages with the first gear is formed on the bottom of the insertion groove.

Description

Auxiliary device for bed movement of wheelchair patients}

This technology relates to an assistive device for bed movement that helps patients using wheelchairs easily move to bed on their own.

In general, users such as disabled people, patients, elderly people, etc. who have difficulty moving or have poor lower extremity function use wheelchairs for convenience of life.

By using a wheelchair, these users can move to the desired location without the help of others. The wheelchair itself includes an electric wheelchair, a height-adjustable wheelchair, a wheelchair that can go up and down stairs, and a wheelchair that can be used as a bed when the backrest is laid down. Although research and development are being actively conducted and convenience is increasing, it is still inconvenient for users to move from a wheelchair to a bed.

To solve this problem, 'Bed with conveyor belt, wheelchair and disabled assistance system employing the same', which is domestic patent publication no. 10-2012-0114559 (publication date: October 17, 2012), is disclosed as a prior art. .

Looking at the configuration of the prior art described above through FIGS. 1 and 2, a main frame, a conveyor belt to which bedding is attached and installed to reciprocate in the longitudinal direction on the main frame, and a conveyor belt provided so that the user can support it As such, a bed is disclosed that includes a handle that moves with the conveyor belt and at least one switch for driving the conveyor belt, and includes an operating unit that moves with the conveyor belt.

Through this, when a user using a wheelchair wants to move to the bed, the backrest 720 of the wheelchair 700 is folded in the direction of the bed to form a bridge, and at the same time, when the user lies back and grasps the bed handle 10, the conveyor ( Through the movement of 100), the handle moves toward the bedside and moves the user to the bed in a pulling manner.

However, this prior art has a problem in that it is not practical because it is not easy to fold the waist back according to the user's conditions, which limits its use.

Domestic Published Patent No. 10-2012-0114559 (Publication date: 2012.10.17.) Domestic Published Patent No. 10-2021-0072653 (Publication Date: 2021.06.17.) Domestic Published Patent No. 10-2012-0046581 (Publication date: 2012.05.10.)

In order to solve the above-described conventional problems, the purpose of the present invention is to provide an auxiliary device for bed movement that allows the user to easily move from a wheelchair to a bed without interfering with the user's physical condition.

As a technical problem to solve the above-described conventional problems, the auxiliary device for bed movement of a patient using a wheelchair according to the present invention is placed in the space (S) under the bed (10) so that it can be opened and closed, but the outer surface is attached to the bed (10). It includes a case 100 that is tooth-coupled with the provided drive motor 11 and receives the power necessary for movement, and at least one cushion body 200 provided on the upper part of the case 100, wherein the case (100) An insertion groove 110 into which the first gear 13 rotatably coupled to the drive motor 11 is inserted is formed in the longitudinal direction on the outer surface, and the first gear 110 is formed on the bottom surface of the insertion groove 110. It is characterized in that a second gear 111 is formed that engages the gear 13 with each other.

In addition, the cushion body 200 includes a first cushion 210 fixedly installed on the case 100 and a second cushion 220 installed to be able to be raised and lowered on the case 100, and the second cushion (220) is preferably lifted up and down by a lifting cylinder (120) inside the case (100).

In addition, it is preferable that a lead-in groove 130 is further formed on the outer surface of the case 100, and a third cushion 230 is further provided inside the lead-in groove 130.

In addition, the case 100 further includes a switch 140 and a piezoelectric sensor 150, where the switch 140 is provided on one or both sides of the case 100, and the piezoelectric sensor 150 is It is preferable that at least one cushion 220 is provided inside the cushion 220 in the longitudinal direction.

According to the present invention, unlike in the past, any user who can use a wheelchair by himself can easily stand up, sit on the cushion, and move in the direction of the bed with the help of an auxiliary device pulled out from the outside of the bed, regardless of physical requirements. will be implemented.

In addition, unlike in the past, through the lifting and lowering of the second cushion by the lifting cylinder, even a user who has difficulty standing up on his own can easily stand up, sit on the first cushion, and move to the bed by taking advantage of the rising force of the second cushion. effect is realized.

Figures 1 and 2 are diagrams showing the state of use of the prior art.
Figure 3 is a diagram showing an assistive device for moving a bed for a patient using a wheelchair according to the present invention.
Figures 4 and 5 are diagrams showing the state of use of the assistive device for moving a bed for a patient using a wheelchair according to the present invention.
Figures 6 and 7 are diagrams showing the operational relationship of the assistive device for moving a bed for a patient using a wheelchair according to the present invention.

Hereinafter, various embodiments will be described in more detail with reference to the attached drawings. The embodiments described herein may be modified in various ways. Specific embodiments may be depicted in the drawings and described in detail in the detailed description. However, the specific embodiments disclosed in the attached drawings are only intended to facilitate understanding of the various embodiments. Therefore, the technical idea is not limited to the specific embodiments disclosed in the attached drawings, and it should be understood that all equivalents or substitutes included in the spirit and technical scope of the invention are included.

Terms containing ordinal numbers, such as first, second, etc., may be used to describe various components, but these components are not limited by the above-mentioned terms. The above-mentioned terms are used only for the purpose of distinguishing one component from another.

In this specification, terms such as “comprise” or “have” are intended to indicate the presence of features, numbers, steps, operations, components, parts, or combinations thereof described in the specification, but are not intended to indicate the presence of one or more other features. It should be understood that this does not exclude in advance the possibility of the existence or addition of elements, numbers, steps, operations, components, parts, or combinations thereof. When a component is said to be "connected" or "connected" to another component, it is understood that it may be directly connected to or connected to the other component, but that other components may exist in between. It should be. On the other hand, when it is mentioned that a component is “directly connected” or “directly connected” to another component, it should be understood that there are no other components in between.

In addition, when describing the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description thereof is abbreviated or omitted.

Hereinafter, with reference to the attached drawings, an auxiliary device for moving a bed for a patient using a wheelchair according to the present invention (hereinafter simply referred to as an 'auxiliary device') will be described in detail.

Prior to the description, the bed 10 described below refers to a typical bed 10 used in hospitals, etc., and detailed description is omitted so as not to obscure the gist of the present invention.

However, in the present invention, the lower part of the bed 10 is further provided with a drive motor 11 that provides power to move the auxiliary device 1, and the drive motor 11 controls the angle of the bed 10, etc. It can be controlled by an adjustable control panel (not shown).

First, as shown in FIGS. 3 to 5, the auxiliary device 1 according to the present invention largely includes a case 100 and a cushion body 200.

In more detail, the case 100 is molded to have the shape of a hollow box using a synthetic resin material, and has at least one door (not shown) that can be opened and closed on the outer surface, and wheels that can be moved and fixed at the bottom. Many are provided.

An insertion groove 110 is formed in the longitudinal direction on the outer surface of the case 100, and at the inner bottom of the insertion groove 110 is a disk-shaped first gear 13 rotatably coupled to the drive motor 11 and teeth ( A second gear 111 that engages is formed in the longitudinal direction.

Through this, when the first gear 13 rotates in the forward (clockwise) or reverse direction, the case 100 installed in the space (S) under the bed 10 moves to the corresponding bed ( 10) It is exposed to the outside through one side or the other.

A cushion body 200, which will be described later, is installed on the upper part of the case 100, and the cushion body 200 is combined with the rod of the lifting cylinder 120 provided inside the case 100 to increase the elongation of the rod. Allows you to ascend and descend.

In addition, an inlet groove 130 may be formed on the outer surface of the case 100 to temporarily support the legs according to the physical condition of the user using the wheelchair, and a cushion body 200 is formed inside the inlet groove 130. A third cushion 230 is provided so that the user's knees, etc. can be supported.

In addition, the cushion body 200 is used as a support tool for the user of the wheelchair 20 to move to the bed 10 and is configured to allow the user to move to the bed 10 while temporarily sitting on it. It includes first to third cushions 230, and the first to third cushions 230 refer to elastic cushions made of cotton, springs, etc.

For example, as shown, the first cushion 210 is fixedly installed on the upper surface of the case 100 so that the user can place it with his hand or sit on it.

In addition, the second cushion 220 is installed on the upper surface of the case 100 in parallel with the first cushion 210, and the lower part is combined with the rod of the elevating cylinder 120 penetrating the case 100 through control of the control panel. It has a lifting structure.

Meanwhile, the elevation of the second cushion 220 is controlled by the switch 140 provided in the case 100 and a plurality of piezoelectric sensors 150 provided in the longitudinal direction of the second cushion 220, the detailed description of which will be explained in more detail in the operational relationship of the present invention described below.

In addition, the third cushion 230 is provided on the inner surface of the above-described inlet groove 130 to support the user's legs, etc.

Hereinafter, the operational relationship of the auxiliary device 1 according to the present invention will be described in detail with reference to the attached drawings.

First, as shown in FIG. 6, the user moving through the wheelchair 20 controls the rotation direction of the drive motor 11 through the control panel provided at the bedside portion of the bed 10 so that the case 100 moves to the bed. (10) Operate so that it can be exposed to the outside through either one side or the other side.

When the case 100 is exposed to the outside, the user touches at least one of the first cushion 210 or the second cushion 220 provided on the top of the case 100 with one or both hands, as shown. You can stand up with force, and this will be explained using standing up while holding on to the first cushion 210 as an example.

At this time, before the user gets up from the wheelchair 20, it is desirable to fix the wheels using the brakes provided on the wheelchair 20 and at the same time fold the footrests to prevent any obstacles from acting on the user in the process of getting up.

The user stands up with the first cushion 210 provided on the upper surface of the case 100, rotates 180 degrees with the healthy leg as the axis, and assumes a sitting posture with the buttocks placed on the first cushion 210. .

At this time, the user stands up or rotates the knee on the side of the leg that is in an uncomfortable state across the third cushion 230 provided in the inlet groove 130, depending on the physical condition (for example, with one leg in a cast, etc.). It is desirable to do this to assist in previous preliminary actions.

Finally, the user sitting on the first cushion 210 uses his healthy hand to move his buttocks completely toward the bed 10, and after moving, he controls the control panel to move the case 100 exposed to the outside. The drive motor 11 is rotated in the reverse direction so that it can be inserted into the space S of the bed 10.

Meanwhile, as shown in FIG. 7, in the case of a user who has difficulty standing up of his own free will due to dementia, paralysis, etc. in the above-described operational relationship, the second cushion is moved by the elevating cylinder 120 by operating the control panel. It is also possible to raise (220) to receive auxiliary force for standing up.

In this process, the user uses the rising second cushion 220 by placing his or her hand on it, or, if necessary, inserts the second cushion 220 between the armpits of the healthy side, similar to how a caregiver supports the second cushion. It is also possible to stand up using the rising power of (220).

To this end, when the user pushes the switch 140 formed on at least one side or both sides of the case 100 to the ON state while supporting the second cushion 220 between the hands or armpits, the lifting cylinder (120) The rod rises, and along with this, the second cushion 220 rises to provide force for the user to stand up, and when the user assumes a posture of sitting on the first cushion 210, the lifting cylinder ( The rod of 120 is lowered so that the second cushion 220 returns to its original position.

At this time, it is preferable that the lowering of the lifting cylinder 120 takes an electrical action that automatically lowers when the weight detected by the plurality of piezoelectric sensors 150 provided inside the second cushion 220 is relieved for a certain period of time. do.

As described above, the auxiliary device (1) according to the present invention is different from the conventional one, so that any user who can use the wheelchair (20) alone can use the auxiliary device (1) pulled out from the bed (10) regardless of physical requirements. With the help of this, the effect of being able to easily stand up, sit on the cushion 200, and move in the direction of the corresponding bed 10 is realized.

In addition, unlike in the past, even a user who has difficulty standing up on his own can easily stand up using the rising force of the second cushion 220 through the lifting and lowering of the second cushion 220 by the lifting cylinder 120. The effect of being able to move to the bed 10 by sitting on the cushion 210 is implemented.

As described above, the present invention has been described with specific details such as specific components and limited embodiments and drawings, but this is only provided to facilitate a more general understanding of the present invention, and the present invention is not limited to the above embodiments. , those skilled in the art can make various modifications and variations from this description.

Therefore, the spirit of the present invention should not be limited to the described embodiments, and the scope of the patent claims described later as well as all things that are equivalent or equivalent to the scope of this patent claim shall fall within the scope of the spirit of the present invention. .

1: Assistive device for bed movement of a patient using a wheelchair according to the present invention
100: case
110: Insertion groove 111: Second gear
120: Elevating cylinder 130: Inlet groove
140: switch 150: piezoelectric sensor
200: Cushion body
210: first cushion 220: second cushion
230: Third cushion
10: bed
11: Drive motor 13: First gear
20: Wheelchair
S: space

Claims (4)

A case (100) disposed in the space (S) under the bed (10) so that it can be opened and closed, but whose outer surface is in contact with the drive motor (11) provided in the bed (10) to receive the power necessary for movement; and
Including at least one cushion body 200 provided on the upper part of the case 100,
On the outer surface of the case 100, an insertion groove 110 is formed in the longitudinal direction into which the first gear 13 rotatably coupled to the drive motor 11 is inserted, and on the bottom surface of the insertion groove 110 is the An assistive device for moving a bed for a wheelchair patient, characterized in that the first gear (13) and the second gear (111) are tooth-coupled with each other.
According to paragraph 1,
The cushion body 200 is
A first cushion 210 fixed to the case 100; and
Includes a second cushion 220 installed to be able to be lifted up and down on the case 100,
The second cushion 220 is
An assistive device for moving a bed for a patient using a wheelchair, characterized in that the case (100) is raised and lowered by a lifting cylinder (120) inside the case (100).
According to claim 1 or 2,
An inlet groove 130 is further formed on the outer surface of the case 100,
An assistive device for moving a bed for a patient using a wheelchair, characterized in that a third cushion (230) is further provided inside the inlet groove (130).
According to paragraph 2,
The case 100 further includes a switch 140 and a piezoelectric sensor 150,
The switch 140 is provided on one or both sides of the case 100,
An assistive device for bed movement of a patient using a wheelchair, characterized in that at least one piezoelectric sensor (150) is provided inside the second cushion (220) in the longitudinal direction.

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