KR101248685B1 - Apparatus for preventing bedsore - Google Patents

Abstract

PURPOSE: An apparatus for preventing a bedsore is provided to lift a breathable sheet in order to ventilate the pressurized area in the body of a patient periodically or when the patient wants, thereby preventing a bedsore. CONSTITUTION: An apparatus for preventing a bedsore includes a frame(10), a sheet, multiple linear actuators, a hollow and horizontal fixing shaft(21), a hollow and horizontal rotating shaft(22), a hollow and vertical fixing shaft(23), a hollow and vertical rotating shaft(24), multiple fixing units(30), multiple first connecting bars(31), and multiple second connecting bars(32). The mesh-type sheet is installed at the upper side of the frame. The linear actuators move the frame up and down. The horizontal fixing shaft is longitudinally installed at one of the left and the right side of the upper side of the frame. The horizontal rotating shaft is longitudinally installed at the other of the left and the right side of the upper side of the frame. The vertical fixing shaft is transversely installed at one of the front and the rear side of the upper side of the frame. The vertical rotating shaft is transversely installed at the other of the front and the rear side of the upper side of the frame. A cylindrical groove is formed on the side of the fixing unit. One end of the first connecting bar is fixed to be inserted into the fixing unit, and the other end of the first connecting bar is forcibly fit inside the horizontal fixing shaft or the vertical fixing shaft. One end of the second connecting bar is rotatably inserted into the fixing unit, and the other end of the second connecting bar is forcibly fit inside the horizontal rotating shaft or the vertical rotating shaft.

Description

Bed restraint protection device {Apparatus for preventing bedsore}

The present invention relates to an apparatus for preventing bedsores, and more particularly, to allow ventilation to body parts in contact with the upper surface of the bed by periodically raising and lowering the sheet having excellent breathability while being mounted on a bed for a patient having poor mobility. In addition, the present invention relates to a device for preventing bedsores that facilitates blood circulation to provide a comfortable environment to a patient.

In general, a patient who is uncomfortable with a bed stays in bed for a long time. When such a long time is in bed, the part of the body that is in contact with the bed is pressed by the weight, and blood circulation in the blood vessels or skin is not made smoothly. This is easy to occur.

As described above, in order to prevent bedsores in a patient with uncomfortable behavior, there is a inconvenience that the patient's posture must be changed at any time.

As a representative method to solve this problem, the Republic of Korea Publication No. 10-2011-0030283 (published on March 23, 2011) is to prevent the bedsores of the patient by using two air pockets to alternately float under the patient. There is a feature that can be tilted to both sides.

However, there is a problem that the posture change of the patient is extremely limited, and the patient may experience discomfort such as leaving the patient when changing the posture.

In order to solve the problems as described above, the present invention provides a lifting means that is convenient for operation to lift the breathable seat periodically or if desired by the patient to allow ventilation to the body compression site of the patient An object of the present invention is to provide a device for preventing bedsores.

It is also an object of the present invention to provide a device for preventing bedsores that allows a caregiver to simply unfold a sheet or give a proper tension.

In addition, an object of the present invention is to provide a device for preventing bedsores such that the seat is easy to install, the operation of the device is simple, and the convenience is remarkably increased, such as the size can be adjusted according to the size of the patient's body or space. There is this.

In addition, an object of the present invention is to provide a device for preventing bedsores, which is easy to manufacture by taking a simple structure and the device is not complicated, to significantly reduce the occurrence of failure during use.

In addition, it is an object of the present invention to provide an apparatus for preventing bedsores, so that the effect of the prevention of bedsores is prominent because it can use a breathable material.

As a means for solving the above problems, the device for preventing bedsores of the present invention,

frame,

A sheet in the form of net installed on the upper part of the frame and

It is provided in the lower portion of the frame, characterized in that it comprises a plurality of linear actuators for raising and lowering the frame.

In addition, the hollow horizontal fixed shaft is installed in the longitudinal direction on one side of the left and right both sides of the frame,

Hollow horizontal rotating shaft installed in the longitudinal direction on the other side of the left and right sides of the upper frame,

Hollow longitudinal fixed shaft which is installed in the width direction on one of the front and rear sides of the upper part of the frame,

Hollow vertical rotating shaft installed in the width direction on the other side of the front and rear sides of the upper part of the frame,

A plurality of fasteners formed on the top of the frame and provided with a cylindrical groove on the side,

A plurality of first connection bars having a circular cross section, one end of which is inserted and fixed to the fixture, and the other end of which is forcibly fitted into the horizontal fixed shaft or the vertical fixed shaft;

The cross-section is circular, one end is rotatably inserted into the fixture, the other end is characterized in that it further comprises a plurality of second connecting bars forcibly fitted in the horizontal rotating shaft or vertical rotating shaft do.

In addition, an eccentric portion, the center axis of which is eccentric, is further provided in the middle of the longitudinal direction of the first connection bar and the second connection bar.

One end is coupled to both ends of the seat fixing shaft and the seat fixing shaft installed parallel to each of the horizontal and vertical fixing shafts and the horizontal and vertical rotating shafts, and the other end is rotatably coupled to the eccentric portion of the first or second connecting bar. It is characterized in that it further comprises a sheet fixing means consisting of a connecting member.

In addition, the ratchet portion is further provided in the middle of the length direction of the second connection bar.

A pair of pawls that are rotatably coupled by self-weight or elastic means to the ratchet portion of the second connecting bar coupled to one side of the horizontal and longitudinal rotating shafts;

It is characterized in that it further comprises a release lever which is located between the ratchet portion and the pair of poles, and has a cam for selectively lifting and lowering the pair of poles by rotation to separate or engage from the ratchet.

In addition, it has a pawl coupled to the ratchet portion of the second connecting bar coupled to the other side of the horizontal and vertical rotation shaft, the winding is configured to be caught when rotating in the direction of winding the sheet, and to be released when rotating in the direction of unwinding the sheet. It further comprises a lever.

Through the problem solving means as described above, the present inventors depressive device,

Easy to operate lifting means can lift the breathable seat periodically or if the patient wants, so that the pressure on the body of the patient can be ventilated to prevent bedsores,

Caregiver can easily unfold the sheet or give proper tension for easy care of the patient.

The seat is easy to install, the device is easy to operate, the size can be adjusted according to the patient's body size or the size of the space, and the convenience is outstanding compared to the prior art,

The device is not complicated and has a simple structure, making it easy to manufacture and significantly reducing the occurrence of breakdowns during use, resulting in low production and maintenance costs.

Since the breathable material in the form of a net can be used conveniently, there is an advantage that the effect of preventing bedsores is noticeable.

1 is a plan view schematically showing a device for preventing bedsores according to the present invention.
Figure 2 is a side view schematically showing a device for preventing bedsores according to the present invention.
Figure 3 is an enlarged view (part A enlarged view of Figure 1) showing a first connecting bar of the device for preventing bedsores according to the present invention.
4 is an enlarged view (part B enlarged view of FIG. 1) showing a second connection bar of the device for preventing bedsores according to the present invention.
Figure 5 is a view showing the shaft, the first and second connecting bar and seat fixing means and the coupling relationship of the device for preventing bedsores according to the present invention.
Figure 6 is a view showing the shaft, the first and second connection bar and seat fixing means and the operation of the decubitus prevention device according to the present invention.
7 is a view showing the ratchet portion, the pawl portion and the release lever and the coupling relationship of the device for preventing bedsores according to the present invention.
8 is an enlarged view (part C enlarged view of FIG. 1) showing the length adjusting means of the device for preventing bedsores according to the present invention.
9 is a view showing a separate frame form of the device for preventing bedsores according to the present invention.
10 is a view showing a seat fixing shaft of the device for preventing bedsores according to the present invention.
11 to 13 is a view showing an embodiment installed on the actual bed of the bed restraint device according to the invention.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of the device for preventing bedsores according to the present invention will be described in detail.

The device for preventing bedsores according to the present invention is particularly invented for a patient who is inconvenient to move. The device is provided with a means for elevating a seat as well as a means for simply mounting a seat and pulling a seat. .

Bed restraint device according to the present invention can be used in addition to the patient bed, the sheet used in the present invention is made of a mesh form, in use the sheet is placed on top of the mat or mattress of the bed.

1 is a plan view schematically showing a device for preventing bedsores according to the present invention, Figure 2 is a side view schematically showing a device for preventing bedsores according to the present invention, Figure 3 is a first connection of the device for preventing bedsores according to the invention 1 is an enlarged view (part A enlarged view of FIG. 1), FIG. 4 is an enlarged view (part B enlarged view of FIG. 1) showing a second connection bar of the device for preventing bedsores according to the present invention, and FIG. Fig. 6 shows a shaft, first and second connection bars and seat fixing means and a coupling relationship of the device for preventing bedsores according to the present invention. And a seat fixing means and an operation process thereof, FIG. 7 is a view illustrating a ratchet portion, a pawl portion and a release lever and a coupling relationship of the apparatus for preventing bedsores according to the present invention, and FIG. Length adjustment of the device for prevention Figure 1 is an enlarged view (part C enlarged view of Figure 1), Figure 9 is a view showing a separate frame form of the device for preventing bedsores according to the present invention, Figure 10 is a sheet of the device for preventing bedsores according to the invention 11 is a view showing a fixed shaft, Figures 11 to 13 is a view showing an embodiment installed on the actual bed of the bed restraint device according to the invention.

As shown in the figure, the device for preventing bedsores in accordance with the present invention frame 10, horizontal fixed shaft 21, horizontal rotary shaft 22, vertical fixed shaft 23, vertical rotary shaft 24, fixture ( 30), including the first connecting bar 31, the second connecting bar 32, seat fixing means, pawls 50, 50 ', release lever 51, winding lever 60, length adjustment means do.

As described in detail by dividing each component of the apparatus for preventing bedsores according to the present invention as described above, first, the frame 10 is provided with a plurality of linear actuators 13 to raise and lower the frame. More specifically, the frame 10 is made up of four beams each of two in the horizontal and vertical directions in accordance with the size of the bed to be installed, or separated into four parts for the length adjustment by the length adjustment means described later in the upper portion At the time of observation (see FIG. 1) may be provided in the corner portion of the device for preventing bedsores in accordance with the present invention in the form of a rectangle, the four linear actuators (Linear Actuator 13) is installed below the frame 10 It is further provided, the upper end of the linear actuator 13 is hinged to the frame 10 and itself is detachably fixed to the body such as a bed to adjust the length when operating the linear actuator 13 It is configured to be able to adjust the height of the frame 10 through this, as well as to operate each linear actuator 13 separately The inclination of the frame 10 thereby may be adjusted.

Here, the frame 10 is placed on top of the bed (bed frame) to be installed.

The linear actuator 13 is controlled to operate through a control unit (not shown), and is configured to input an operation time in advance through a remote controller communicating with the control unit to operate the linear actuator 13 at regular intervals. As the frame 10 is raised and lowered, ventilation is periodically made to the lower part of the patient's body to prevent bedsores.

And the upper portion of the frame 10 is provided with a means for pulling tension in the front and rear and left and right directions to the seat, which firstly has a horizontal fixed shaft which is installed in one of the left and right sides of the frame 10 in the longitudinal direction (21), the horizontal rotation shaft 22 is installed in the longitudinal direction on the other side of the left and right both sides of the frame 10, the vertical fixed shaft 23 is installed in the width direction on one side of the front and rear both sides of the frame 10, A vertical rotation shaft 24 is installed on the other side of the front and rear sides of the upper portion of the frame 10 in the width direction.

The shaft is formed in the form of a hollow cylinder, that is, a tube, the fixed shaft (21, 23) is a portion to which one end of the seat is fixed, the rotating shaft (22, 24) is rotated to wind the sheet to give tension Part.

Defining the relevant terms here, the shaft refers to the horizontal fixed shaft 21, the horizontal rotary shaft 22, the vertical fixed shaft 23 and the vertical rotary shaft 24, the fixed shaft and the horizontal fixed shaft 21 It refers to the longitudinal fixed shaft 23, and the rotary shaft refers to the horizontal rotary shaft 22 and the longitudinal rotary shaft 24.

As a means for supporting the shaft, a plurality of fasteners 30 and a plurality of first and second connecting bars 31 and 32 are provided, and the fasteners 30 are located at both ends of each shaft and are positioned outside the frame 10. And a cylindrical groove formed at a side (side facing toward the shaft) formed at an upper end of the upper side), and the first connecting bar 31 has the fixed shafts 21 and 23 and the fastener 30 as shown in FIG. 3. A cross-section is formed as a member provided between the circumference is provided with an eccentric portion (31 ') having a central axis eccentric in the middle of the longitudinal direction and one end is fixed to the bolt penetrated into the cylindrical groove of the fixture 30 And the other end is coupled to the inside of the horizontal fixed shaft 21 or the vertical fixed shaft 23 of the shaft, and is preferably forcibly fitted therein. Therefore, the fixed shafts 21 and 23 cannot be rotated.

As shown in FIG. 4, the second connecting bar 32 is a member provided between the rotary shafts 22 and 24 and the fixture 30, and has a circular cross section, and has a central axis in the middle of the longitudinal direction. Eccentric eccentric portion 32 'and ratchet portion 33 are provided, one end is rotatably inserted into the fixture 30, the other end of the horizontal rotating shaft 22 or longitudinal rotating shaft 24 It is coupled internally and is preferably forced fit therein.

The shaft is provided with a seat fixing means as a means for fixing the seat, as shown in Figure 5 (FIG. 5 is applied to the fixed shaft), the seat fixing means is a shaft (21, 22, 23, One end is coupled to both ends of the seat fixing shaft 41 and the seat fixing shaft 41 which are installed in parallel with each other, and the other end is the eccentric portion 31 'of the first or second connecting bars 31 and 32. It comprises a connecting member 42 rotatably coupled to (32 ').

Specifically, as shown in FIG. 5, since the eccentric part 32 ′ is configured to be eccentric to the outside of the frame 10, the eccentric part 32 ′ is coupled to the eccentric part 32 ′ to center the central axis of the eccentric part 32 ′. When the seat fixing shaft 41 is coupled to one end to the connecting member 42 rotating in the upper direction, as shown in Figure 6, the interval with the shaft is gradually narrowed to be in contact with each other, using this feature When the end of the seat is wound on the seat fixing shaft 41 and passed between the seat fixing shaft 41 and the shaft, and the sheet is pulled, the seat fixing shaft 41 rotates upwards to press-fix the sheet due to the eccentricity. The sheet is fixed by referring to FIG.

As shown in FIG. 7, the ratchet portion 33 of the second connecting bar 32 coupled to one side of the rotary shafts 22 and 24 is rotated by self-weight or elastic means (not shown). A pair of pole parts 50 and 50 'is provided, and the pair of pole parts 50 and 50' are installed to be rotatable after installing a separate bracket or the like on the frame 10, and self-weight or elastic means. In the state where the end is lowered by the elastic force by the lower end coupled to the ratchet part 33, it is preferable to determine the shape and direction of the ratchet part 33 so that the ratchet part 33 cannot be rotated.

In addition, as shown in FIG. 7, a release lever 51 is provided to release the coupling between the ratchet portion 33 and the pawl portions 50 and 50 ′, and the release lever 51 is a ratchet portion 33. ) And a cam (C) positioned between the pawls (50, 50 ') to selectively lift and lower the pawls (50, 50') by rotation to separate or engage the ratchet (33). Rotating) raises the end portions of the pole parts 50 and 50 'in direct contact with the cam C, thereby releasing the coupling with the ratchet part 33.

That is, when the release lever 51 is rotated and positioned at the right side as shown in FIG. 7A, the cam C of the release lever 51 pushes up the one pole part 50 and the one pole part 50 and the ratchet part 33. ) Is released and the other pole part 50 'and the ratchet part 33 are coupled to each other so that rotation is possible in the direction of the arrow shown in the ratchet part 33. As shown in FIG. 7B, the release lever 51 is rotated. In the case where the two pole parts 50 and 50 'are positioned between the two pole parts 50 and 50', both the ratchet parts 33 are coupled to the ratchet part 33 so that the ratchet part 33 cannot be rotated in both directions. When the release lever 51 is rotated and positioned at the left side, the cam C of the release lever 51 pushes the other pole portion 50 'up so that the engagement of the other pole portion 50' and the ratchet portion 33 is prevented. One side pole part 50 and the ratchet part 33 are released and the rotation is possible in the direction of the arrow shown in the ratchet part 33.

Therefore, the user rotates the release lever 51 to control the rotation direction of the ratchet part 33 as necessary.

The winding lever 60 is wound around the ratchet portion 33 of the second connecting bar 32 which is coupled to the other side of the rotary shafts 22 and 24 (opposite side with the pole portions 50 and 50 'and the release lever 51). The winding lever 60 is a lever installed to wind the seat on the rotating shaft, and has a pole therein and is locked when rotating in the winding direction of the seat, and unwinding and idling when rotating in the unwinding direction of the seat. It is configured to be able to do so (this is not a typical ratchet mechanism).

Fixture 30 in the present invention is fixedly coupled to the upper end (upper surface) of the frame 10, as shown in Figures 1, 2 and 8, in the present invention is further provided with a length adjusting means, this length Adjusting means for adjusting the length of each shaft, as shown in Figure 8, consisting of a length adjusting member 70 and the female screw portion 72, the length adjusting member 70 in the middle of each shaft The male screw portion 71 is located at both ends and the spiral direction is different from each other, and the outer peripheral portion of the middle is a member formed with a groove for inserting the tool (g), the female screw portion 72 is the number of the length adjusting member 70 It is a thread formed inside the hollow part of the shaft for screwing with the bare part.

Due to such a configuration, when the length adjusting member 70 is rotated in one direction, the shafts on both sides of the length adjusting member 70 move in a direction close to each other, and the shaft length is shortened. (70) The shafts on both sides move in a direction away from each other, and the shaft length becomes long.

As an application example for the length adjusting means, a male screw portion is provided on the outer periphery of the shaft side of the first connecting bar 31 and the second connecting bar 32 in place of the length adjusting means, and a female screw portion is provided inside the hollow portion of the shaft. The length may be adjusted by rotating the first and second connection bars 31 and 32 during installation.

In order to adjust the length in this way, as shown in FIG. 9, the frame 10 to which the fixture 30 is fixedly coupled may be manufactured in a divided form into four parts as described above, wherein the present invention respectively. Located in the corner of the bed restraint device according to the fixture 30, the first and second connecting bars (31, 32) are placed to support the end of the shaft. Therefore, the device for preventing bedsores according to the present invention has the advantage that it can be installed in response to a variety of bed sizes can be adjusted in length in the front and rear and left and right directions.

And the frame 10 of the bedsore prevention device according to the invention is preferably placed on top of the bed frame when mounted on the bed.

As shown in FIG. 10, the shaft 80 is provided with a protrusion 80 inclined symmetrically about the length adjusting member 70, so that the protrusion 80 is pressed by the seat fixing shaft 41. The sheet is configured to be able to be stretched laterally (unfolded).

In addition, as shown in Figure 6 (b), the upper surface of the shaft is provided with a groove for the seat fixing shaft 90 is preferably configured to prevent the separation of the seat fixing shaft 41 is seated.

And because of the configuration as described above, in the present invention can be used to directly install a breathable sheet in the form of a net without a separate mattress (of course, the general patient seat can also be used), through which can prevent bedsores There is a characteristic.

10: frame
21: horizontal fixed shaft 22: horizontal rotating shaft
23: vertical fixed shaft 24: vertical rotating shaft
30: fixture 31: first connecting bar
32: second connecting bar 31 ', 32': eccentric
33: ratchet part
41: seat fixing shaft 42: connecting member
50: pole 51: release lever
60: winding lever
70: length adjusting member 71: male thread portion
72: female thread
80: protrusion 90: groove for seat fixing shaft

Claims (5)

frame,
A sheet in the form of net installed on the upper part of the frame,
A plurality of linear actuators provided at a lower portion of the frame to raise and lower the frame;
Hollow horizontal fixed shaft installed in one of the left and right sides of the frame in the longitudinal direction,
Hollow horizontal rotating shaft installed in the longitudinal direction on the other side of the left and right sides of the upper frame,
Hollow longitudinal fixed shaft which is installed in the width direction on one of the front and rear sides of the upper part of the frame,
Hollow vertical rotating shaft installed in the width direction on the other side of the front and rear sides of the upper part of the frame,
A plurality of fasteners formed on the top of the frame and provided with a cylindrical groove on the side,
A plurality of first connection bars having a circular cross section, one end of which is inserted and fixed to the fixture, and the other end of which is forcibly fitted into the horizontal fixed shaft or the vertical fixed shaft;
The cross section is circular, one end is rotatably inserted into the fixture, the other end is characterized in that it comprises a plurality of second connecting bars that are forcibly fitted in the horizontal rotating shaft or vertical rotating shaft
Bed restraint prevention device

The method according to claim 1,
In the middle of the longitudinal direction of the first connecting bar and the second connecting bar is further provided with an eccentric portion, the central axis is eccentric,
One end is coupled to both ends of the seat fixing shaft and the seat fixing shaft installed parallel to each of the horizontal and vertical fixing shafts and the horizontal and vertical rotating shafts, and the other end is rotatably coupled to the eccentric portion of the first or second connecting bar. Characterized in that it further comprises a sheet fixing means consisting of a connecting member
Bed restraint prevention device
The method according to claim 2,
A ratchet part is further provided in the middle of the length direction of the second connection bar.
A pair of pawls that are rotatably coupled by self-weight or elastic means to the ratchet portion of the second connecting bar coupled to one side of the horizontal and longitudinal rotating shafts;
And a release lever disposed between the ratchet portion and the pair of pole portions and provided with a cam for selectively lifting and lowering the pair of pole portions through rotation to separate or engage the ratchet portion.
Bed restraint prevention device
The method according to claim 3,
And a pawl coupled to the ratchet portion of the second connecting bar coupled to the other side of the horizontal and vertical rotating shafts, the winding lever being engaged when rotating in the winding direction of the seat and being released when rotating in the unwinding direction of the seat. Characterized in that further comprises
Bed restraint prevention device
delete

Images