JP2003310670A - Overlay mattress - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an overlay mattress composed so as to comfort to an evaluation standard of a bedsore countermeasure. <P>SOLUTION: Portions abutting on shoulders (a shoulder blade periphery) and a lumbar (a sacred bone periphery) of a human body are thickened in comparison with other portions, and they are respectively provided with a shoulder swelling part 1a and a lumbar swelling part 1b. A soft raw material 6 with a thickness set at 30-70 mm, apparent density of 10-100 kg/m<SP>3</SP>, and compressive hardness of 10-400 N is used. Machining for adjusting repulsion can be applied to the shoulder swelling part 1a and the lumbar swelling part 1b. An outer material 5 can cover all of a top face, side face and bottom face of the soft raw material 6, or it can cover one parts of the top face, side face and bottom face. Alternatively it may cover just the top face and side face. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an overlay mattress configured so as to meet the evaluation criteria for measures against pressure ulcers (bed sores).

[0002]

2. Description of the Related Art At present, as the number of hospitalized patients such as bedridden increases as the aging society advances, the number of patients at high risk of pressure ulcer development is increasing. It has been thought that measures such as prevention of pressure ulcer outbreaks and appropriate measures from the early onset of disease should be taken as a matter of course, but it is considered to be more important in the future. Therefore, recently, evaluation criteria for evaluating whether or not pressure ulcer countermeasures have been taken for each medical institution have been established. One of such evaluation criteria is
"There is a system in place to properly select and use a body pressure-dispersion type mattress necessary for pressure ulcer control, depending on the patient's condition."

[0003]

However, at present, no body pressure-dispersion type mattress satisfying the above-mentioned evaluation criteria is found, and there is a demand for development of a mattress having pressure ulcer countermeasures. The present invention has been proposed from such a background, and an object of the present invention is to provide an overlay mattress that contributes to bedsore measures as a structure that meets the evaluation criteria for measures against pressure ulcers.

[0004]

In order to solve the above-mentioned problems, according to the present invention, in claim 1, a size corresponding to the bottom of a bed or the like is provided, and the size of the basic mattress in the bed or the like is larger than that of the material of the basic mattress. A low-resilience soft material is covered with a waterproof outer material, and the shoulder or waist of the human body is thicker than other places and placed on a basic mattress such as a bed. Disclosed is an overlay mattress adapted for use. Further, in the present invention, according to claim 2, a soft material having a size corresponding to a bottom of a bed or the like and having a low resilience compared to a material of a basic mattress in the bed or the like is used as a waterproof and stretchable outer material. Disclosed is an overlay mattress which is configured to be covered, has a thickness corresponding to a shoulder or a waist of a human body as compared with other locations, and is placed on a basic mattress such as a bed for use. Further, in the present invention, in claim 3, the soft material has a thickness of 3
Disclosed is an overlay mattress composed of a 0 mm to 70 mm foamable material. According to the present invention, in claim 4, the soft material has an apparent density of 10 kg / m ^3.
To 100 kg / m ^3, compression hardness discloses overlay mattress constructed with expandable material 10N～400N. The present invention also discloses, in claim 5, an overlay mattress in which the foamable material is provided with a mechanical process for adjusting the resilience. Further, the present invention discloses, in claim 6, an overlay mattress in which the mechanical processing is applied to a portion of the foamable material which corresponds to a shoulder or a waist of a human body.

According to the first aspect, the body pressure applied to the back and waist of the user can be received at the thick portion of the soft material and can be suitably dispersed without bottoming out, so that the pressure ulcer can be prevented. can do. By covering the soft material with a waterproof surface material, it is possible to prevent invasion of moisture, dirt, and the like from the outside into the soft material, and contribute to the prevention of infection. Easy to clean.

According to claim 2, the soft material can be covered with a stretchable waterproof surface material without slack, and moisture and dirt from the outside can be prevented from entering the soft material. It can contribute to infection prevention and is easy to clean by wiping.

According to claim 3, the soft material has a thickness of 30.
mm to 70 mm, and by applying a body pressure, the thickness corresponding to the back and waist of the user is increased.
There is no bottoming out and no loss of pressure ulcer prevention.

According to claim 4, the soft material has an apparent density of 10 kg / m ^{3 to} 100 kg / m ³ and a compression hardness of 10
By using the foaming material of N to 400N, the bottoming does not occur, the feeling of pressure on the user's back, waist, etc. is suppressed, and the body pressure dispersibility can be exerted, preventing pressure ulcers. The effect of is brought about.

According to the fifth aspect, by imparting mechanical processing to the soft material, it is possible to more effectively disperse the body pressure and contribute to the prevention of pressure ulcers.

According to claim 6, in the soft material,
Of the user's body, mechanical processing for adjusting the resilience is applied to the thickened areas around the scapula and the sacrum where the body pressure is applied, so that the body pressure can be effectively dispersed. it can.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION One embodiment of an overlay mattress according to the present invention will be shown below and described with reference to the accompanying drawings. An overlay mattress 1 is shown in FIG. This overlay mattress 1
It is used by placing it on the basic mattress 3 of the bed apparatus 2, and has a size corresponding to the basic mattress 3 and other parts other than the parts corresponding to the shoulder part (around the scapula) and the waist part (around the sacrum) of the human body. Thicker than
Each has a shoulder bulge 1a and a waist bulge 1b.

The basic mattress 3 is formed by wrapping a well-known hard cotton core material 4 with a stretchable and waterproof outer material 5 (see FIG. 2). That is, the hard cotton-based core material 4 is formed by, for example, subjecting a random web formed of elastic crimped staples to needle processing, processing the random web into a flat plate shape and forming into a corrugated plate shape, and heat treatment. In addition to forming and holding, the heat-treated web is sewn in the longitudinal direction via an elastic cloth member. The crimped staple can be made of, for example, polyester, polyethylene, polypropylene fibers or composite fibers thereof.

The overlay mattress 1 is constructed by wrapping a flexible material 6 having a predetermined thickness (described later) in a stretchable waterproof material 5. That is, a urethane foam material can be used as the soft material 6, the thickness is set to, for example, 30 mm to 70 mm, and the apparent density is 10 kg / m ^{3 to} 100 kg /
m ³ and compression hardness of 10N to 400N are used. The apparent density is 10 kg / m ^{3 to} 100 kg /
m ^3, compressive hardness urethane foam material 10N~400N actually, when a user uses, it does not arrive bottom course, is suppressed tightness the user back, receives the like to the waist, pressure sores It can be kept below the body pressure at which it develops.
In addition, the shoulder bulge 1 against the shoulder of the human body (around the scapula)
a, the bulging part 1b of the lumbar region around the lumbar region (around the sacrum) has a shape that is continuous and gently raised with the other parts of the soft material 6, and the maximum thickness is the set thickness 3
It is assumed that it exceeds 0 mm to 70 mm. Foam rubber may be used as the soft material 6.

Further, in the overlay mattress 1, a machine for adjusting resilience to a shoulder bulge 1a corresponding to the periphery of the user's scapula and a waist bulge 1b corresponding to the periphery of the sacrum. You may make it process mechanically. Examples of such mechanical processing include concavo-convex processing (profile processing), press punching, hollowing, and hot press processing. By performing such processing,
It relieves the resilience at that location, receives the body pressure from around the scapula and around the sacrum of the human body, and appropriately disperses the body pressure.

A well-known waterproof sheet material having elasticity is used for the outer material 5, and detailed description thereof will be omitted. In this case, the outer material 5 may cover the upper surface, the side surface, and the bottom surface of the soft material 6 entirely, or may cover the upper surface, the side surface, and a part of the bottom surface. Further, it is sufficient to cover only the upper surface and the side surface.

Overlay mattress 1 as described above
According to the above, the overlay mattress 1 is placed on the basic mattress 3 and used. In this case, the overlay mattress 1 has a thickness of 30 mm to 70 mm,
An apparent density of ^{10kg / m 3 ~100kg / m 3} , compression hardness is used as a stuffing softness material 6 of the low resilience of 10N～400N, moreover overlay mattress 1, scapula peripheral consuming body pressure Shoulder bulge 1 corresponding to
a, the bulging part 1b of the lumbar region corresponding to the periphery of the sacrum has a shape that gently rises beyond the set thickness of 30 mm to 70 mm, so that it does not bottom out and hangs on the user's back. The body pressure can be appropriately dispersed, and pressure ulcer can be prevented. The flexible material 6 can be covered with the outer material 5, which is a waterproof sheet material that also has elasticity, without slack, and blocks moisture and dirt from entering the flexible material 6 from the outside. It can contribute to infection prevention and is easy to clean by wiping.

Further, the overlay mattress 1
Of the shoulder bulge 1 corresponding to the vicinity of the scapula of the user's body
a or a soft material 6 forming the waist bulge 1b corresponding to the periphery of the sacrum, which has been subjected to mechanical processing such as profile processing for adjusting resilience, press punching, punching, hot press processing, etc. In this case, the resilience at that portion can be further alleviated, the body pressure from around the scapula or the sacrum of the human body can be received, and the body pressure can be dispersed appropriately.

[0018]

EFFECTS OF THE INVENTION According to the present invention, (1) the body pressure applied to the user's back or waist can be received at the thick portion of the soft material, and can be suitably dispersed without bottoming out, Can prevent pressure ulcers. The soft material is covered with a waterproof outer material,
Invasion of moisture, dirt and the like from the outside into the soft material can be blocked to contribute to infection prevention, and cleaning such as wiping is easy. (2) The soft material can be covered with a stretchable waterproof outer material without slack, and it can prevent the invasion of moisture, dirt, etc. from the outside into the soft material and contribute to the prevention of infection. It is possible and easy to clean by wiping. (3) The soft material has a thickness of 30 mm to 70 mm, more pressure is applied to the body, and the parts corresponding to the user's back and waist are made thicker so that it does not bottom out and prevents pressure ulcers. There is no loss in the effect of. (4) Apparent density of soft material is 10 kg / m ³ to 10
By using a foamable material having a compression hardness of 0 kg / m ³ and a compression hardness of 10 N to 400 N, bottoming does not occur,
The pressure on the user's back, waist, etc. is suppressed, the body pressure can be dispersed, and the pressure ulcer is prevented. (5) By imparting mechanical processing to the soft material,
It is possible to more effectively disperse the body pressure and contribute to the prevention of pressure ulcers. (6) Since the soft material is machined to adjust the resilience in the thick part of the user's body around the scapula and the sacrum where body pressure is applied, it is effective. Body pressure can be dispersed in the.

[0019]

[Brief description of drawings]

FIG. 1 is an external perspective view showing an example of a bed apparatus on which an overlay mattress according to the present invention is placed.

FIG. 2 is a perspective view showing a configuration in which a part of the overlay mattress shown in FIG. 1 is cut away.

FIG. 3 shows an overlay mattress according to the present invention,
FIG.

[Explanation of symbols]

1 Overlay mattress 1a Shoulder bulge 1b Waist bulge 2 Bed device 3 Basic mattress 4 Hard cotton core 5 Outer material 6 Soft material

Claims (6)

[Claims] 1. A shoulder of a human body having a size corresponding to a bottom of a bed or the like, and a soft material having a low resilience compared to a material of a basic mattress in the bed or the like is covered with a waterproof outer material. The overlay mattress is characterized in that the part corresponding to the upper part or the lower back is made thicker than other parts, and is placed on a basic mattress such as a bed for use. 2. A soft material having a size corresponding to a bottom of a bed or the like and having a low resilience compared to a material of a basic mattress in the bed or the like is covered with a waterproof and stretchable outer material, An overlay mattress characterized in that the shoulder or waist of the human body is thicker than other places and is placed on a basic mattress such as a bed for use. 3. The soft material has a thickness of 30 mm to 70 mm.
mm foamable material.
Or the overlay mattress described in 2. 4. The apparent density of the soft material is 10 k.
g / m ^{3 to} 100 kg / m ³ , compression hardness of 10 N to 400
The overlay mattress according to claim 1, wherein the overlay mattress is made of N foamable material. 5. The foamable material is provided with mechanical processing for adjusting resilience.
Or the overlay mattress described in 4. 6. The overlay mattress according to claim 5, wherein the mechanical processing is applied to a portion of the foamable material that corresponds to a shoulder or a waist of a human body.