Pressure-ulcer prevention mat

Abstract

The present disclosure provides a pressure-ulcer prevention mat. The pressure-ulcer prevention mat may comprise: a base panel including a central region, a first region formed on one side adjacent to the central region, and a second region formed on the other side adjacent to the central region; a plurality of central air cells formed in the central region, each having a hollow space into which external air is introduced through a central flow path; a plurality of first air cells formed in the first region, each having a hollow space into which external air is introduced through a first flow path; and a plurality of second air cells formed in the second region, each having a hollow space into which external air is introduced through a second flow path, wherein the central flow path, the first flow path, and the second flow path are independently separated from one another.

Description

Bedsore prevention mat

[0001] The present disclosure relates to a mat for preventing bedsores.

[0002]

[0003] In general, in the case of people with disabilities, the elderly, and patients before and after surgery who spend a lot of time in bed and sitting, the pelvic left-right balance may be broken due to incorrect posture and lifestyle habits, or the muscle mass around the buttocks and sacrum may decrease due to a long-term sitting lifestyle, which may cause pelvic asymmetry and bedsores, and this may cause pain around the sacrum and perineum.

[0004] To prevent bedsores, bedsore prevention mats are used to reduce or disperse pressure on the skin surface under pressure. Typically, conventional bedsore prevention mats have multiple air cells connected to a single path without any specific area, or are arranged with equal size and spacing.

[0005] However, in cases of pelvic asymmetry and pressure ulcers, the height of the air cells needs to be adjusted according to the user's gluteal and thigh muscle mass, as well as pain or sensitivity around the sacrum and perineum. Therefore, a pressure ulcer prevention mat with adjustable air cell heights, divided into various sections, is needed.

[0006] The above-described information disclosed in the background technology of this invention is only intended to improve understanding of the background of the present invention, and therefore may include information that does not constitute prior art.

[0007]

[0008] The present disclosure provides a bedsore prevention mat to solve the above problems.

[0009] However, the technical problems to be solved by the present invention are not limited to the problems described above, and other problems not mentioned can be clearly understood by those skilled in the art from the description of the invention described below.

[0010]

[0011] According to one embodiment of the present invention for solving the above technical problem, a bedsore prevention mat comprises: a base panel including a central region, a first region formed on one side adjacent to the central region, and a second region formed on the other side adjacent to the central region; a plurality of central air cells formed in the central region and having a hollow through which external air is introduced through a central passage; a plurality of first air cells formed in the first region and having a hollow through which external air is introduced through the first passage; and a plurality of second air cells formed in the second region and having a hollow through which external air is introduced through the second passage, wherein the central passage, the first passage, and the second passage can be independently separated from each other.

[0012] According to one embodiment of the present invention, the central region may include a horizontal region in which a portion of a plurality of central air cells are arranged in a horizontal direction, and a vertical region in which a portion of a plurality of central air cells are arranged in a vertical direction perpendicular to the horizontal direction.

[0013] According to one embodiment of the present invention, the vertical region includes a first vertical region arranged on one side in the vertical direction from the horizontal region, and a second vertical region arranged on the other side in the vertical direction from the horizontal region, and the number of the plurality of center air cells arranged in the first vertical region may be different from the number of the plurality of center air cells arranged in the second vertical region.

[0014] According to one embodiment of the present invention, the first region includes a first front region arranged forward with respect to a virtual horizontal axis, and a first rear region arranged rearward of the horizontal axis, and the number of the plurality of first air cells arranged in the first front region may be different from the number of the plurality of first air cells arranged in the first rear region.

[0015] According to one embodiment of the present invention, the second region includes a second front region arranged forward with respect to a virtual horizontal axis, and a second rear region arranged rearward with respect to the horizontal axis, and the number of the plurality of second air cells arranged in the second front region may be different from the number of the plurality of second air cells arranged in the second rear region.

[0016] According to one embodiment of the present invention, a plurality of central air cells may be arranged symmetrically around a virtual vertical axis, and a plurality of first air cells and a plurality of second air cells may be arranged symmetrically around the virtual vertical axis.

[0017] According to one embodiment of the present invention, a central passage may be formed on one side of a base panel to connect a plurality of central air cells and to have a central inlet through which air is introduced or discharged, a first passage may be formed on one side of a base panel to connect a plurality of first air cells and to have a first inlet through which air is introduced or discharged, and a second passage may be formed on one side of a base panel to connect a plurality of second air cells and to have a second inlet through which air is introduced or discharged.

[0018] According to one embodiment of the present invention, the device may include a central valve provided at a central inlet and opening or closing a central flow path; a first valve provided at a first inlet and opening or closing a first flow path; and a second valve provided at a second inlet and opening or closing a second flow path.

[0019] According to one embodiment of the present invention, the height of the plurality of first air cells may be the same as the height of the plurality of second air cells, and the height of the plurality of center air cells may be smaller than the height of the plurality of first air cells and the height of the plurality of second air cells.

[0020] According to one embodiment of the present invention, the plurality of central air cells can be arranged so as not to protrude outwardly from the plurality of first air cells and the plurality of second air cells in the height direction.

[0021] According to one embodiment of the present invention, each of the plurality of central air cells may be formed to have a smaller volume than each of the plurality of first air cells and each of the plurality of second air cells.

[0022] According to one embodiment of the present invention, at least one of the plurality of central air cells, the plurality of first air cells, and the plurality of second air cells may be formed such that a cross-sectional area increases from the bottom to the top.

[0023] According to one embodiment of the present invention, the plurality of central air cells may be formed so that their cross-sectional areas decrease from the bottom to the top, and the plurality of first air cells and the plurality of second air cells may be formed so that their cross-sectional areas increase from the bottom to the top.

[0024] According to one embodiment of the present invention, the plurality of center air cells may include a plurality of upper center air cells protruding above the base panel and one or more lower center air cells protruding below the base panel, the plurality of first air cells may include a plurality of upper first air cells protruding above the base panel and one or more lower first air cells protruding below the base panel, and the plurality of second air cells may include a plurality of upper second air cells protruding above the base panel and one or more lower second air cells protruding below the base panel.

[0025] According to one embodiment of the present invention, a plurality of upper central air cells may be individually formed at a predetermined interval, a plurality of upper first air cells may be individually formed at a predetermined interval, and a plurality of upper second air cells may be individually formed at a predetermined interval.

[0026] According to one embodiment of the present invention, the spacing between the plurality of upper center air cells and the plurality of upper first air cells or the spacing between the plurality of upper center air cells and the plurality of upper second air cells may be formed to be equal to or greater than the spacing between the plurality of upper center air cells.

[0027] According to one embodiment of the present invention, one or more lower center air cells may be connected to a plurality of upper center air cells and have a flat bottom surface, one or more lower first air cells may be connected to a plurality of upper first air cells and have a flat bottom surface, and one or more lower second air cells may be connected to a plurality of upper second air cells and have a flat bottom surface.

[0028] According to one embodiment of the present invention, the device may include a central elastic member that is provided inside a plurality of central air cells and is elastically deformable; a first elastic member that is provided inside a plurality of first air cells and is elastically deformable; and a second elastic member that is provided inside a plurality of second air cells and is elastically deformable.

[0029] According to one embodiment of the present invention, at least one of the central elastic member, the first elastic member, and the second elastic member may include a recessed portion recessed inwardly at an upper end.

[0030] According to one embodiment of the present invention, the central elastic member may include a central base portion disposed in one or more lower central air cells, and a plurality of central protrusions protruding from the central base portion and inserted into each of the plurality of upper central air cells, the first elastic member may include a first base portion disposed in one or more lower first air cells, and a plurality of first protrusions protruding from the first base portion and inserted into each of the plurality of upper first air cells, and the second elastic member may include a second base portion disposed in one or more lower second air cells, and a plurality of second protrusions protruding from the second base portion and inserted into each of the plurality of upper second air cells.

[0031]

[0032] According to some embodiments of the present invention, the air cell supporting the body is divided into three regions, and the heights of the regions can be adjusted independently of each other.

[0033] According to some embodiments of the present invention, a plurality of air cells are divided into three regions to individually support the sacrum and perineum, the left buttocks and thigh, and the right buttocks and thigh, and their heights can be adjusted independently of each other.

[0034] According to some embodiments of the present invention, the height of the central region is formed lower than the heights of the left and right regions, thereby providing a stable seating feeling and preventing falling due to left and right shaking.

[0035] However, the effects that can be obtained through the present invention are not limited to the effects described above, and other technical effects not mentioned can be clearly understood by those skilled in the art from the description of the invention described below.

[0036]

[0037] The following drawings attached to this specification illustrate preferred embodiments of the present invention, and together with the detailed description of the invention described below, serve to further understand the technical idea of ​​the present invention, and therefore, the present invention should not be interpreted as being limited to matters described in such drawings.

[0038] FIG. 1 is a perspective view showing an example of a bedsore prevention mat according to one embodiment of the present disclosure.

[0039] FIG. 2 and FIG. 3 are plan views showing examples of a bedsore prevention mat according to one embodiment of the present disclosure.

[0040] FIG. 4 is a plan view showing an example of a central region in a bedsore prevention mat according to one embodiment of the present disclosure.

[0041] FIG. 5 is a plan view showing examples of a first region and a second region in a bedsore prevention mat according to one embodiment of the present disclosure.

[0042] FIG. 6 is a bottom view showing an example of a bedsore prevention mat according to one embodiment of the present disclosure.

[0043] Fig. 7 is a cross-sectional view showing an example of the AA area of ​​Fig. 3.

[0044] FIG. 8 is a cross-sectional view showing an example of a center air cell and a first air cell in a bedsore prevention mat according to one embodiment of the present disclosure.

[0045] FIG. 9 is a cross-sectional view showing an example of a bedsore prevention mat according to one embodiment of the present disclosure being placed on the ground.

[0046] Fig. 10 is a cross-sectional view showing an example of an elastic member provided by cutting the AA area of ​​Fig. 3.

[0047] Fig. 11 is a cross-sectional view showing an example of an elastic member provided by cutting the BB area of ​​Fig. 3.

[0048] Fig. 12 is a cross-sectional view showing an example in which a depression is formed in an elastic member by cutting the AA area of ​​Fig. 3.

[0049] FIG. 13 and FIG. 14 are plan views showing examples of bedsore prevention mats according to other embodiments of the present disclosure.

[0050]

[0051] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the attached drawings. Prior to this, terms or words used in this specification and claims should not be interpreted as limited to their typical or dictionary meanings, and should be interpreted with meanings and concepts that conform to the technical spirit of the present invention based on the principle that the inventor can appropriately define the concept of a term to best explain his or her own invention. Therefore, the embodiments described in this specification and the configurations illustrated in the drawings are only some of the most preferred embodiments of the present invention and do not represent all of the technical spirit of the present invention. Therefore, it should be understood that various equivalents and modified examples may exist as substitutes for them at the time of filing this application.

[0052] Additionally, when used herein, the terms "comprise", "include" and / or "comprising", "including" specify the presence of stated features, numbers, steps, operations, elements, elements and / or groups thereof, but do not preclude the presence or addition of one or more other features, numbers, operations, elements, elements and / or groups thereof.

[0053] Additionally, to facilitate understanding of the invention, the attached drawings are not drawn to scale and some components may be exaggerated in size. Furthermore, identical components may be assigned the same reference numbers in different embodiments.

[0054] The statement that two compared objects are "identical" means "substantially identical." Therefore, "substantially identical" may include deviations considered low in the art, such as deviations of less than 5%. Furthermore, uniformity of a parameter over a given region may imply uniformity on average.

[0055] Although terms like "first" and "second" are used to describe various components, these components are not limited by these terms. These terms are used merely to distinguish one component from another, and unless otherwise specified, a "first" component may also be a "second" component.

[0056] Throughout the specification, unless otherwise specifically stated, each element may be singular or plural.

[0057] Any configuration being placed "on (or under)" or "above (or below)" a component may mean not only that any configuration is placed in contact with the upper surface (or lower surface) of said component, but also that other configurations may intervene between said component and any configuration placed on (or below) said component.

[0058] Additionally, when it is described that a component is "connected," "coupled," or "connected" to another component, it should be understood that the components may be directly connected or connected to one another, but that other components may also be "interposed" between the components, or that each component may be "connected," "coupled," or "connected" through another component. Furthermore, when it is said that a part is electrically coupled to another part, this includes not only cases where they are directly connected, but also cases where they are connected with another element in between.

[0059] When reference is made throughout the specification to "A and / or B," this means A, B, or A and B, unless otherwise stated. In other words, "and / or" includes all or any combination of the listed items. When reference is made to "C through D," this means C or more and D or less, unless otherwise stated.

[0060] The terminology used herein is for the purpose of describing embodiments of the present disclosure and is not intended to be limiting of the present disclosure.

[0061] FIG. 1 is a perspective view showing an example of a bedsore prevention mat according to one embodiment of the present disclosure, and FIGS. 2 and 3 are plan views showing examples of bedsore prevention mats according to one embodiment of the present disclosure. In addition, FIG. 4 is a plan view showing an example of a central region in a bedsore prevention mat according to one embodiment of the present disclosure, and FIG. 5 is a plan view showing examples of a first region and a second region in a bedsore prevention mat according to one embodiment of the present disclosure.

[0062] Referring to FIGS. 1 to 5, a bedsore prevention mat (100) according to one embodiment of the present disclosure may include a base panel (200) and a plurality of air cells protruding from the base panel (200).

[0063] The base panel (200) may be formed in the shape of a square plate, and may include a central region (200), a first region (220) formed on one side adjacent to the central region (200), and a second region (230) formed on the other side adjacent to the central region (200). That is, the first region (220) and the second region (230) may be formed on both sides of the central region (200), and the first region (220) and the second region (230) may be formed to surround the central region (200). Of course, the shape of the base panel (200) as a square plate is only one example, and may also be formed in a circular or polygonal shape.

[0064] The plurality of air cells may include a plurality of central air cells (310) formed in the central region (200), a plurality of first air cells (410) formed in the first region (220), and a plurality of second air cells (510) formed in the second region (230).

[0065] A plurality of central air cells (310) may be formed to be connected to each other through a central passage (320) formed in the base panel (200) and have a hollow space through which external air is introduced through the central passage (320). In addition, a plurality of first air cells (410) may be formed to be connected to each other through a first passage (420) formed in the base panel (200) and have a hollow space through which external air is introduced through the first passage (420). In addition, a plurality of second air cells (510) may be formed to be connected to each other through a second passage (520) formed in the base panel (200) and have a hollow space through which external air is introduced through the second passage (520).

[0066] Here, the central air passage (320), the first air passage (420), and the second air passage (520) are independently separated from each other, so that air can be individually introduced or exhausted into the plurality of central air cells (310), the plurality of first air cells (410), and the plurality of second air cells (510). Through this, the heights of the plurality of central air cells (310) arranged in the central region (200), the plurality of first air cells (410) arranged in the first region (220), and the plurality of second air cells (510) arranged in the second region (230) can be individually adjusted.

[0067] The central passage (320) connects a plurality of central air cells (310), and a central inlet (321) through which air is introduced or discharged is formed on one side of the base panel (200), and a central valve (330) may be provided at the central inlet (321) to open or close the central passage (320). In addition, the first passage (420) connects a plurality of first air cells (410), and a first inlet (421) through which air is introduced or discharged is formed on one side of the base panel (200), and a first valve (430) may be provided at the first inlet (421) to open or close the first passage (420). In addition, the second flow path (520) connects a plurality of second air cells (510), a second inlet (521) through which air is introduced or discharged is formed on one side of the base panel (200), and a second valve (530) may be provided at the second inlet (521) to open or close the second flow path (520).

[0068] Here, as illustrated in FIG. 2, a first valve (430) and a second valve (530) are provided on both sides of a central valve (330) and are arranged to face the same direction, thereby enabling easier operation by the user. Of course, the positions of the central valve (330), the first valve (430), and the second valve (530) are not limited thereto, and may be formed to face different directions.

[0069] With this configuration, the user can operate the central valve (330) to open the central valve to allow air to flow into or out of the plurality of central air cells (310), and can operate the central valve (330) to close the central valve to maintain the state in which air is flowed into or out of the plurality of central air cells (310). In addition, the user can operate the first valve (430) to open the central valve to allow air to flow into or out of the plurality of first air cells (410), and can operate the first valve (430) to close the central valve to maintain the state in which air is flowed into or out of the plurality of first air cells (410). In addition, the user can operate the second valve (530) to open the central valve to allow air to flow into or out of the plurality of second air cells (510), and can operate the second valve (530) to close the central valve to maintain the state in which air is flowed into or out of the plurality of second air cells (510).

[0070] Accordingly, by manipulating the opening and closing of the center valve (330), the first valve (430), and the second valve (530), the heights of the plurality of center air cells (310), the plurality of first air cells (410), and the plurality of second air cells (510) can be individually adjusted.

[0071] In one embodiment, when a user sits on the bedsore prevention mat (100), the user's sacrum and perineum may be settled in the central region (200), the user's left buttocks and left thigh may be settled in the first region (220), and the user's right buttocks and right thigh may be settled in the second region (230). In a case where it is necessary to minimize stimulation to the user's perineum, the central valve (330) may be opened to discharge air from the plurality of central air cells (310) to the outside, and the central valve (330) may be closed to minimize the height of the plurality of central air cells (310). When the user sits in this state, the user's left buttocks and left thigh may be settled in the first region (220), and the user's right buttocks and right thigh may be settled in the second region (230). However, the plurality of central air cells (310) may have minimized heights so as not to contact the user's sacrum and perineum or may contact them with minimal pressure so as not to stimulate the perineum.

[0072] In this way, the heights of the plurality of central air cells (310), the plurality of first air cells (410), and the plurality of second air cells (510) can be adjusted to a desired height according to the user's needs, thereby further improving the convenience of use.

[0073] In one embodiment, the distance from the central air cell (310) to the first air cell (410) or the second air cell (510) may be formed to be equal to or greater than the distance between the central air cells (310), so as to be divided into a central region (200), a first region (220), and a second region (230).

[0074] For example, referring to FIG. 3, in the horizontal direction, the gap (G2) between the central air cell (310) and the first air cell (410) and the gap (G3) between the central air cell (310) and the second air cell (510) may be formed to be larger than the gap (G1) between the central air cells (310). In addition, in the vertical direction, the gap between the central air cell (310) and the first air cell (410) and the gap between the central air cell (310) and the second air cell (510) may be formed to be larger than the gap between the central air cells (310). In addition, the minimum gap between the central air cell (310) and the first air cell (410) and the minimum gap between the central air cell (310) and the second air cell (510) may be formed to be larger than the gap between the central air cells (310).

[0075] In this way, as a relatively large gap is formed between the central air cell (310) and the first air cell (410) and the second air cell (510), a central flow path (320) can be further formed, thereby improving the speed of air inflow or discharge into the central air cell (310).

[0076] Of course, it is not limited thereto, and the gap between the central air cell (310) and the first air cell (410) and the gap between the central air cell (310) and the second air cell (510) in the horizontal and vertical directions may be formed to be the same as the gap between the central air cells (310). In addition, the minimum gap between the central air cell (310) and the first air cell (410) and the minimum gap between the central air cell (310) and the second air cell (510) may be formed to be the same as the gap between the central air cells (310).

[0077] As an example, referring to FIG. 4, the central region (200) may include a horizontal region (211) in which a portion of a plurality of central air cells (310) are arranged in a horizontal direction, and a vertical region (212) in which a portion of a plurality of central air cells (310) are arranged in a vertical direction perpendicular to the horizontal direction. Here, the plurality of central air cells (310) formed in the horizontal region (211) may support the user's sacrum, and the plurality of central air cells (310) formed in the vertical region (212) may support the user's perineum. Since the user's body is symmetrical left and right, the plurality of central air cells (310) may be arranged symmetrically around an imaginary vertical axis (Y).

[0078] And, the vertical region (212) may include a first vertical region (212a) arranged on one side of the vertical direction (212) from the horizontal region, and a second vertical region (212b) arranged on the other side of the vertical direction from the horizontal region (211). That is, a part of the vertical region (212) may be arranged on the front side of one side of the horizontal region (211) to form the first vertical region (212a), and the remaining part of the vertical region (212) may be arranged on the rear side of the other side of the horizontal region (211) to form the second vertical region (212b).

[0079] Here, the number of the plurality of central air cells (310) arranged in the first vertical region (212a) may be different from the number of the plurality of central air cells (310) arranged in the second vertical region (212b). In one embodiment, the number of the plurality of central air cells (310) arranged in the first vertical region (212a) may be greater than the number of the plurality of central air cells (310) arranged in the second vertical region (212b). Of course, the present invention is not limited thereto, and the number of the plurality of central air cells (310) arranged in the first vertical region (212a) may be smaller than the number of the plurality of central air cells (310) arranged in the second vertical region (212b), or may be formed in the same number.

[0080] As an example, referring to FIG. 5, the first region (220) may include a first front region (221) positioned forward with respect to an imaginary horizontal axis (X) and a first rear region (222) positioned rearward of the horizontal axis (X). In addition, the number of the plurality of first air cells (410) positioned in the first front region (221) may be different from the number of the plurality of first air cells (410) positioned in the first rear region (222).

[0081] In one embodiment, the number of the plurality of first air cells (410) arranged in the first rear region (222) may be greater than the number of the plurality of first air cells (410) arranged in the first front region (221). At this time, the added first air cells (410) may be arranged in a horizontal direction. That is, when a user sits, the user's left buttocks rests on the first rear region (222) and the user's left thigh rests on the first front region (221). Therefore, more first air cells (410) may be arranged so that the first rear region (222) where the left buttocks rests can support a relatively wide area.

[0082] And, since the left buttock is formed larger in the right direction compared to the left thigh, the first air cells (410) can be further arranged correspondingly. That is, the plurality of first air cells (410) arranged in the first rear region (222) and the plurality of first air cells (410) arranged in the first front region (221) can be arranged in a form that is symmetrical with respect to the imaginary horizontal axis (X), and the first air cells (410) arranged in the first rear region (222) can be further arranged in the right direction.

[0083] Of course, it is not limited to this, and the number of the plurality of first air cells (410) arranged in the first front region (221) may be formed to be greater than or equal to the number of the plurality of first air cells (410) arranged in the first rear region (222).

[0084] In addition, the second region (230) may include a second front region (231) positioned forward with respect to the virtual horizontal axis (X) as the center, and a second rear region (232) positioned rearward of the horizontal axis (X). In addition, the number of the plurality of second air cells (510) positioned in the second front region (231) may be different from the number of the plurality of second air cells (510) positioned in the second rear region (232).

[0085] In one embodiment, the number of the plurality of second air cells (510) arranged in the second rear region (232) may be greater than the number of the plurality of second air cells (510) arranged in the second front region (231). At this time, the added second air cells (510) may be arranged in a horizontal direction. That is, when a user sits, the user's right buttocks is placed in the second rear region (232) and the user's right thigh is placed in the second front region (231). Therefore, more second air cells (510) may be arranged so that the second rear region (232) where the right buttocks is placed can support a relatively wide area.

[0086] And, since the right buttock is formed larger in the left direction compared to the right thigh, the second air cells (510) can be further arranged correspondingly. That is, the plurality of second air cells (510) arranged in the second rear region (232) and the plurality of second air cells (510) arranged in the second front region (231) are arranged in a symmetrical form with the second air cells (510) arranged in the second rear region (232) being further arranged in the left direction with the second air cells (510) arranged in the second rear region (232) being symmetrical with respect to the imaginary horizontal axis (X).

[0087] Of course, it is not limited to this, and the number of the plurality of second air cells (510) arranged in the second front region (231) may be formed to be greater than or equal to the number of the plurality of second air cells (510) arranged in the second rear region (232).

[0088] And, since the user's body is symmetrical left and right, the plurality of first air cells (410) and the plurality of second air cells (510) can be arranged symmetrically with respect to each other with the virtual vertical axis (Y) as the center.

[0089] Fig. 6 is a bottom view showing an example of a bedsore prevention mat according to an embodiment of the present disclosure. In addition, Fig. 7 is a cross-sectional view showing an example of area AA of Fig. 3, and Fig. 8 is a cross-sectional view showing an example of a central air cell and a first air cell in a bedsore prevention mat according to an embodiment of the present disclosure. In addition, Fig. 9 is a cross-sectional view showing an example of a bedsore prevention mat according to an embodiment of the present disclosure being placed on the ground.

[0090] Referring to FIGS. 6 to 9, the height (H20) of the first air cell (410) is the same as the height of the second air cell (510), and the height (H10) of the central air cell (310) can be formed to be smaller than the height (H20) of the first air cell (410) and the height of the second air cell (510).

[0091] In addition, the central air cell (310) may be positioned so as not to protrude outwardly from the first air cell (410) and the second air cell (510) in the height direction. That is, the central air cell (310) may be positioned between the first air cell (410) and the second air cell (510) in the width direction, and may also be positioned between them in the height direction. Since the central air cell (310) is a relatively sensitive area where the user's perineum is seated, it may be formed to be lower than the heights of the first air cell (410) and the second air cell (510) so as to transmit as little stimulation as possible.

[0092] In addition, since the central air cell (310) is positioned so as not to protrude outwardly from the first air cell (410) and the second air cell (510) in the height direction, the bottom surface (312a) of the central air cell (310) can be positioned higher than the bottom surface (412a) of the first air cell (410) and the bottom surface (512a) of the second air cell (510). With this configuration, when a user sits on the bedsore prevention mat, as illustrated in FIG. 9, the bottom surface (312a) of the central air cell (310) can be in close contact with the ground or the chair, and the first air cell (410) and the second air cell (510) can be in close contact with both thighs of the user. Through this, the user can be supported more stably while sitting on the bedsore prevention mat, thereby preventing the user from falling.

[0093] The central air cell (310) may be formed to have a smaller volume than the first air cell (410) and the second air cell (510). Since the central air cell (310) is a relatively sensitive area where the user's perineum is positioned, it may be formed to discharge air more quickly than the areas of the first air cell (410) and the second air cell (510).

[0094] At least one of the central air cell (310), the first air cell (410), and the second air cell (510) may be formed such that its cross-sectional area increases from the bottom to the top. If the shape of the air cell is formed such that its cross-sectional area increases from the bottom to the top, the surface area on which the user's body rests becomes relatively larger, and thus the pressure applied to the body may be relatively reduced.

[0095] In addition, when the air inside the air cell is discharged to change the shape to fit the body while the user sits on the bedsore prevention mat, the pressure is applied over a relatively large area, so that the deformation is possible more quickly and thus the body pressure can be better distributed.

[0096] In one embodiment, the first air cell (410) may be formed so that the width (W22) of the lower portion is smaller than the width (W21) of the upper portion, and the cross-sectional area increases from the lower portion to the upper portion. The second air cell (510) may also be formed in the same manner as the first air cell (410). That is, the first air cell (410) and the second air cell (510), on which the thigh and buttocks are secured, may be formed so that the cross-sectional area increases from the lower portion to the upper portion in order to distribute body pressure.

[0097] In addition, the central air cell (310) may be formed so that the width (W12) of the lower portion is larger than the width (W11) of the upper portion, and the cross-sectional area thereof becomes smaller from the lower portion to the upper portion. That is, the central air cell (310) on which the perineum is to be placed may be formed so that the cross-sectional area thereof becomes smaller from the lower portion to the upper portion in order to minimize contact with the body. Of course, the present invention is not limited thereto, and the central air cell (310) may also be formed so that the cross-sectional area thereof becomes larger from the lower portion to the upper portion.

[0098] The base panel (200) can be formed by combining an upper panel having a plurality of upper air cells and a lower panel having lower air cells formed in communication with the plurality of upper air cells. In one embodiment, the upper panel and the lower panel can be manufactured by thermally deforming a thermoplastic polyurethane film in a molding device. Of course, the present invention is not limited thereto, and can also be manufactured through injection molding, etc.

[0099] In one embodiment, the center air cell (310) may include an upper center air cell (311) protruding above the base panel (200) and a lower center air cell (312) protruding below the base panel (200).

[0100] Here, a plurality of upper center air cells (311) can be individually formed at a predetermined interval. That is, a plurality of upper center air cells (311) can be individually formed so that their heights can be individually changed depending on the shape of the body being seated.

[0101] The lower center air cell (312) is connected to a plurality of upper center air cells (311), and the bottom surface (312a) can be formed flat. That is, the lower center air cell (312) is configured to protrude downward from the base panel (200) and be placed on the ground or a chair, etc., and the bottom surface (312a) can be formed flat so as to stably support the body.

[0102] In addition, the height (H12) of the lower center air cell (312) can be formed to be smaller than the height (H11) of the upper center air cell (311). In this form, the height of the center of gravity can be formed to be lower, thereby supporting the body more stably.

[0103] The first air cell (410) may include an upper first air cell (411) protruding from the upper portion of the base panel (200) and a lower first air cell (412) protruding from the lower portion of the base panel (200).

[0104] Here, a plurality of upper first air cells (411) can be individually formed at a predetermined interval. That is, a plurality of upper first air cells (411) can be individually formed so that their heights can be individually changed depending on the shape of the body being seated.

[0105] The lower first air cell (412) is connected to a plurality of upper first air cells (411), and the bottom surface (412a) can be formed flat. That is, the lower first air cell (412) is configured to protrude downward from the base panel (200) and be placed on the ground or a chair, etc., and the bottom surface (412a) can be formed flat so as to stably support the body.

[0106] In addition, the height (H22) of the lower first air cell (412) can be formed to be smaller than the height (H21) of the upper first air cell (411). In this form, the height of the center of gravity can be formed to be lower, thereby supporting the body more stably.

[0107] The second air cell (510) may include an upper second air cell (511) protruding from the upper portion of the base panel (200) and a lower second air cell (512) protruding from the lower portion of the base panel (200).

[0108] Here, a plurality of upper second air cells (511) can be individually formed at a predetermined interval. That is, a plurality of upper second air cells (511) can be individually formed so that their heights can be individually changed depending on the shape of the body being seated.

[0109] The lower second air cell (512) is connected to a plurality of upper second air cells (511), and the bottom surface (512a) can be formed flat. That is, the lower second air cell (512) is configured to protrude downward from the base panel (200) and be placed on the ground or a chair, etc., and the bottom surface (512a) can be formed flat so as to stably support the body.

[0110] In addition, the height of the lower second air cell (512) can be formed to be smaller than the height of the upper second air cell (511). In this form, the height of the center of gravity can be formed lower, thereby supporting the body more stably.

[0111] The height of the lower second air cell (512) may be formed to be the same as the height (H22) of the lower first air cell (412), and the height of the upper second air cell (511) may be formed to be the same as the height (H21) of the upper first air cell (411). Through this, heights that are symmetrical left and right around the central air cell (310) may be formed, thereby supporting the body more stably.

[0112] Fig. 10 is a cross-sectional view showing an example of an elastic member provided by cutting along the AA area of ​​Fig. 3, Fig. 11 is a cross-sectional view showing an example of an elastic member provided by cutting along the BB area of ​​Fig. 3, and Fig. 12 is a cross-sectional view showing an example of a recessed portion formed in the elastic member by cutting along the AA area of ​​Fig. 3.

[0113] Referring to FIGS. 10 to 12, a bedsore prevention mat according to one embodiment of the present disclosure may include a central elastic member (340) provided inside a central air cell (310) and elastically deformable, a first elastic member (440) provided inside a first air cell (410) and elastically deformable, and a second elastic member (540) provided inside a second air cell (510) and elastically deformable.

[0114] Here, the elastic member can be compressed together with the air cell and deformed to lower its height when the air cell is pressurized and the air is discharged to the outside. Then, when the external force is removed, the elastic member elastically returns to form a back pressure inside the air cell, and as air is introduced into the air cell due to the back pressure, the air cell can return to its original height. Through this, the height of the air cell can be adjusted by opening and closing the valve without using a separate air injection device. In one embodiment, the elastic member can be composed of polyurethane foam. Of course, it is not limited thereto, and can be composed of a high-density molded foam with elasticity.

[0115] In one embodiment, the central elastic member (340) may include a central base portion (341) disposed in the lower central air cell (312), and a plurality of central protrusions (342) protruding from the central base portion (341) and inserted into the plurality of upper central air cells (311), respectively. The central base portion (341) may be formed in a shape corresponding to the shape of the lower central air cell (312) and may be disposed inside the lower central air cell (312). In addition, the plurality of central protrusions (342) may individually protrude from the central base portion (341) and be inserted into the upper central air cells (311), respectively.

[0116] The upper end of the plurality of central protrusions (342) may further include a recessed portion (343) that is sunken inward. The uppermost end of the upper central air cell (311) is the part that first comes into contact with the user's body, and if it comes into contact with relatively strong pressure, the user may feel discomfort. Therefore, by forming the recessed portion (343) at the upper end of the central protrusion (342), the uppermost end of the upper central air cell (311) can be supported by air, thereby minimizing irritation to the user's body.

[0117] In addition, the recessed portion (343) can guide the upper center air cell (311) to sink to the center without collapsing to the left and right when it is extruded. That is, when a user sits on the bedsore prevention mat, the end of the upper center air cell (311) sinks into the recessed portion (343), and when a load is applied with the recessed portion (343) as the center, the upper center air cell (311) can sink to the center.

[0118] The first elastic member (440) may include a first base portion (441) disposed in the lower first air cell (412), and a plurality of first protrusions (442) protruding from the first base portion (441) and inserted into each of the plurality of upper first air cells (411). The first base portion (441) may be formed in a shape corresponding to the shape of the lower first air cell (412) and may be disposed inside the lower first air cell (412). In addition, the plurality of first protrusions (442) may individually protrude from the first base portion (441) and be inserted into each of the upper first air cells (411).

[0119] The upper end of the plurality of first protrusions (442) may further include a recessed portion (443) that is sunken inward. The uppermost end of the upper first air cell (411) is the part that first comes into contact with the user's body, and if it comes into contact with a relatively strong pressure, the user may feel discomfort. Therefore, by forming the recessed portion (443) at the upper end of the first protrusion (442), the uppermost end of the upper first air cell (411) can be supported by air, thereby minimizing irritation to the user's body.

[0120] In addition, the recessed portion (443) can guide the upper first air cell (411) to sink to the center without collapsing to the left and right when it is extruded. That is, when a user sits on the bedsore prevention mat, the end of the upper first air cell (411) sinks into the recessed portion (443), and when a load is applied with the recessed portion (443) as the center, the upper first air cell (411) can sink to the center.

[0121] The second elastic member (540) may include a second base portion (541) disposed in the lower second air cell (512), and a plurality of second protrusions (542) protruding from the second base portion (541) and inserted into each of the plurality of upper second air cells (511). The second base portion (541) may be formed in a shape corresponding to the shape of the lower second air cell (512) and may be disposed inside the lower second air cell (512). In addition, the plurality of second protrusions (542) may individually protrude from the second base portion (541) and be inserted into each of the upper second air cells (511).

[0122] The upper end of the plurality of second protrusions (542) may further include a recessed portion (543) that is sunken inward. The uppermost end of the upper second air cell (511) is the part that first comes into contact with the user's body, and if it comes into contact with a relatively strong pressure, the user may feel discomfort. Therefore, by forming the recessed portion (543) at the upper end of the second protrusion (542), the uppermost end of the upper second air cell (511) can be supported by air, thereby minimizing irritation to the user's body.

[0123] In addition, the recessed portion (543) can guide the upper second air cell (511) to sink to the center without collapsing to the left and right when it is extruded. That is, when a user sits on the bedsore prevention mat, the end of the upper second air cell (511) sinks into the recessed portion (543), and when a load is applied with the recessed portion (543) as the center, the upper second air cell (511) can sink to the center.

[0124] FIG. 13 and FIG. 14 are plan views showing examples of bedsore prevention mats according to other embodiments of the present disclosure.

[0125] Referring to FIGS. 13 and 14, a bedsore prevention mat (101, 102) according to another embodiment of the present disclosure may include a base panel (200) and a plurality of air cells protruding from the base panel (200).

[0126] The base panel (200) may be formed in a rectangular flat plate shape and may include a central region (200) and a peripheral region (220a) formed around the central region (200). Here, the central region (200) may be the same as the central region (200) of the bedsore prevention mat (100) described with reference to FIG. 2. In addition, the peripheral region (220a) may be formed by connecting the first region (220) and the second region (230) of the bedsore prevention mat (100) described with reference to FIG. 2 to each other.

[0127] With this configuration, the height of the plurality of central air cells (310) arranged in the central region (200) can be adjusted by controlling the inflow of air through the central valve (330) provided at the central inlet (321) of the central flow path (320). In addition, the height of the plurality of air cells (410a) arranged in the peripheral region (220a) can be adjusted by controlling the inflow of air through the valve (430a) provided at the inlet (421a) of the flow path (420a).

[0128] Here, the plurality of air cells (410a) include the first air cell (410) and the second air cell (510) of the bedsore prevention mat (100) described with reference to FIG. 2, and the flow path (420a) may be in a form in which the first flow path (420) and the second flow path (520) are connected to each other.

[0129] Referring to Fig. 13, the inlet (421a) of the flow path (420a) can be positioned adjacent to the central inlet (321) of the central flow path (320). Through this, the valve (430a) and the central valve (330) are positioned adjacent to each other and facing the same direction, so that the user can operate them more easily.

[0130] Alternatively, referring to FIG. 14, the inlet (421b) of the flow path (420b) may be arranged in the opposite direction to the central inlet (321) of the central flow path (320). That is, the inlet (421b) of the flow path (420b) may be located at the center of the flow path arranged on the left side of the central region (200) and the flow path arranged on the right side. Through this, the air supplied to or discharged from the plurality of air cells arranged on the left side of the central region (200) and the plurality of air cells arranged on the right side can be more uniformly controlled.

[0131] Although the present invention has been described above with reference to limited embodiments and drawings, the present invention is not limited thereto, and it is obvious that various modifications and variations are possible within the scope of the technical idea of ​​the present invention and the equivalent scope of the patent claims to be described below by a person having ordinary skill in the art to which the present invention pertains.

Claims

1. A base panel including a central region, a first region formed on one side adjacent to the central region, and a second region formed on the other side adjacent to the central region; A plurality of central air cells formed in the central region and having a hollow space through which external air is introduced through a central passage; A plurality of first air cells formed in the first region and having a hollow space through which external air is introduced through the first passage; and It comprises a plurality of second air cells formed in the second region and having a hollow space through which external air is introduced through the second passage, A bedsore prevention mat, wherein the central euro, the first euro, and the second euro are independently separated from each other.

2. In paragraph 1, The above central area is, A horizontal region in which some of the plurality of central air cells are arranged in a horizontal direction; and A vertical region in which a portion of the plurality of center air cells are arranged in a vertical direction perpendicular to the horizontal direction. A bedsore prevention mat, including:

3. In paragraph 2, The above vertical area is, A first vertical region arranged on one side of the vertical direction from the horizontal region; and Including a second vertical region arranged on the other side of the vertical direction from the horizontal region, A bedsore prevention mat, wherein the number of the plurality of central air cells arranged in the first vertical region is different from the number of the plurality of central air cells arranged in the second vertical region.

4. In paragraph 1, The above first area is, A first frontal region positioned forward around an imaginary horizontal axis; and Including a first rear region arranged rearward of the above horizontal axis, A bedsore prevention mat, wherein the number of the plurality of first air cells arranged in the first front area is different from the number of the plurality of first air cells arranged in the first rear area.

5. In paragraph 1, The second area above is, A second frontal region positioned forward around the virtual horizontal axis; and Includes a second rear region positioned rearward with the horizontal axis as the center, A bedsore prevention mat, wherein the number of the plurality of second air cells arranged in the second front area is different from the number of the plurality of second air cells arranged in the second rear area.

6. In paragraph 1, The above plurality of central air cells are arranged symmetrically around a virtual vertical axis, A bedsore prevention mat, wherein the plurality of first air cells and the plurality of second air cells are arranged symmetrically with respect to the virtual vertical axis.

7. In paragraph 1, The above central duct connects the plurality of central air cells, and a central inlet through which air is introduced or discharged is formed on one side of the base panel, The first euro connects the plurality of first air cells, and a first inlet for introducing or discharging air is formed on one side of the base panel. The second euro is a bedsore prevention mat that connects the plurality of second air cells and has a second inlet through which air is introduced or discharged formed on one side of the base panel.

8. In paragraph 7, A central valve provided at the central inlet and opening or closing the central flow path; A first valve provided at the first inlet and opening or closing the first flow path; and A second valve provided at the second inlet and opening or closing the second flow path A bedsore prevention mat, including:

9. In paragraph 1, The height of the plurality of first air cells is the same as the height of the plurality of second air cells, A bedsore prevention mat, wherein the height of the plurality of central air cells is smaller than the height of the plurality of first air cells and the height of the plurality of second air cells.

10. In paragraph 9, The above plurality of central air cells are, A bedsore prevention mat arranged so as not to protrude outwardly from the plurality of first air cells and the plurality of second air cells in the height direction.

11. In paragraph 1, Each of the above plurality of central air cells, A bedsore prevention mat formed with a smaller volume than each of the plurality of first air cells and each of the plurality of second air cells.

12. In paragraph 1, At least one of the plurality of central air cells, the plurality of first air cells, and the plurality of second air cells, A mat for preventing bedsores, formed so that the cross-sectional area increases from the bottom to the top.

13. In paragraph 1, The above plurality of central air cells are formed so that their cross-sectional areas become smaller from the bottom to the top, A bedsore prevention mat, wherein the plurality of first air cells and the plurality of second air cells are formed such that their cross-sectional areas increase from the bottom to the top.

14. In paragraph 1, The plurality of center air cells include a plurality of upper center air cells protruding above the base panel and one or more lower center air cells protruding below the base panel, The plurality of first air cells include a plurality of upper first air cells protruding from the upper portion of the base panel, and one or more lower first air cells protruding from the lower portion of the base panel. A bedsore prevention mat, wherein the plurality of second air cells include a plurality of upper second air cells protruding from the upper portion of the base panel and one or more lower second air cells protruding from the lower portion of the base panel.

15. In paragraph 14, The above plurality of upper center air cells are individually formed at a predetermined interval, The above plurality of upper first air cells are individually formed at a predetermined interval, A bedsore prevention mat in which the plurality of upper second air cells are individually formed at a predetermined interval.

16. In paragraph 15, The spacing between the plurality of upper center air cells and the plurality of upper first air cells or the spacing between the plurality of upper center air cells and the plurality of upper second air cells is A bedsore prevention mat formed to be equal to or greater than the spacing between the plurality of upper center air cells.

17. In paragraph 14, The one or more lower center air cells are connected to the plurality of upper center air cells and have a flat bottom surface, The one or more lower first air cells are connected to the plurality of upper first air cells and have a flat bottom surface, A bedsore prevention mat, wherein the one or more lower second air cells are connected to the plurality of upper second air cells and have a flat bottom surface.

18. In paragraph 14, A central elastic member provided inside the plurality of central air cells and elastically deformable; A first elastic member provided inside the plurality of first air cells and elastically deformable; and A second elastic member provided inside the plurality of second air cells and elastically deformable A bedsore prevention mat, including:

19. In paragraph 18, At least one of the central elastic member, the first elastic member, and the second elastic member, A recessed area that is sunken inward from the upper end A bedsore prevention mat, including:

20. In paragraph 18, The above-mentioned central elastic member includes a central base portion arranged in the one or more lower central air cells, and a plurality of central protrusions protruding from the central base portion and inserted into each of the plurality of upper central air cells. The first elastic member includes a first base portion arranged in the one or more lower first air cells, and a plurality of first protrusions protruding from the first base portion and inserted into each of the plurality of upper first air cells. A bedsore prevention mat, wherein the second elastic member comprises a second base portion arranged in the one or more lower second air cells, and a plurality of second protrusions protruding from the second base portion and inserted into each of the plurality of upper second air cells.

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