JP2002102303A - Medical air mat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air mat, with which a body fluid can positively move and circulate in an original moving direction in a laying state even in the case of a long-term bedridden patient. SOLUTION: Relating to an air mat 1, which can be expanded and shrunk by changing an air pressure, this air mat is partitioned into cylindrical chambers 2, in which the pressure can be independently changed, each of chambers is positioned to be orthogonal to a patent laying on the mat 1, and pressure- reduced chambers 2a and 2b successively move from the foot side of the patient to the neck at a fixed interval.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a medical air mat which promotes the return of venous blood and lymph from a patient and can prevent or improve problems associated with long-term bed rest such as rash.

[0002]

2. Description of the Related Art If a patient is forced to stay in a bed for a long time in a state where his or her position change is impaired, the patient's own weight continues to be applied to a specific site, and the pressure exceeds the blood pressure at that site. Some parts are left out of the circulation. Originally, not only cells in the human body are in direct contact with capillaries, but hemoglobin does not escape from blood vessels. Therefore, the lymph fluid is responsible for gas exchange, nutrient replenishment, and waste collection of cells away from the blood vessels. Therefore, it causes humiliation or muscle pain at the site, and the effect on the patient's health condition is extremely large.

[0003] For this reason, there has been a conventional device in which the pressure in the air mat is partially adjusted so that the adjustment rhythm does not have a monotonous effect, but has an effect similar to the massage effect (Japanese Patent Publication No. Hei 8 (1996)). -24700 publication). However, if the patient's repositioning does not go as intended, efficient replacement of body fluids cannot be expected simply by reducing the pressure at the point where pressure continues to be the same as or lower than the pressure supporting the weight.

[0004]

In order to make the flow of body fluid closer to the ideal, it is necessary for the body fluid of the whole body including the affected part to move in the direction in which it should originally move. Focusing on this, the present invention provides a medical air mat that can prevent or improve various problems that occur in long-term bed rest of a patient whose posture change is not free. Because of the body weight, the pressure in the bed where the body fluid continues to be expelled is reduced, and the patient's body fluid moves from the high pressure area and penetrates between tissues for a while, and the body fluid is originally An object of the present invention is to provide an air mat that can positively move and recirculate in a direction to be moved.

[0005]

According to the present invention, in an air mat which can be expanded and contracted by a change in air pressure, the air mat is divided into a cylindrical chamber which can independently change the pressure, and the chamber is mounted on the mat. The above problem was solved by arranging the patient so as to be perpendicular to the patient lying on the floor and moving the decompressed chamber sequentially from the foot side of the patient to the neck at regular intervals.

The width and thickness of the cylindrical chamber constituting the mat are not particularly limited, but the width is preferably 2.5 to 6 cm, particularly preferably about 3 to 5 cm, and the thickness is 4 to 20 cm, particularly 5
It is preferably about 15 cm. Further, the width of the moving decompression portion is preferably about 2.5 to 12 cm, particularly preferably about 2.5 to 8 cm.

The decompressed chamber may be moved at regular intervals from the patient's head to the neck, and in this case, the width of the moving decompressed portion is 2.5. ~ 12
cm, particularly preferably about 2.5 to 6 cm.

[0008] The body tissue whose blood flow has completely stopped is 5-6.
It is said that over time, severe necrosis with severe pain begins. However, a general healthy body that can change its position on its own is 5
Does not cause acne even if sleeping for ~ 6 hours or more. This is because the body position is appropriately changed by the user, and accordingly, the body fluid in the part released from the compression from the weight is replaced.

Therefore, in the present invention, the moving speed of the decompressed chamber is not particularly limited, but the movement of the position of the decompressed chamber is
It is carried out within 5 hours, preferably within 2 hours, at intervals of about 120 to 20 minutes, and the speed at which the decompressed chamber moves from the feet to the neck is within 12 hours, especially within 6 hours. preferable.

[0010] The air pressure in each chamber of the mat is applied by a pump.
It may be controlled mechanically. It is preferable to release air from the room at regular intervals to reduce the pressure so that the depressurized chamber is at least 2 cm lower than the thickness of the non-depressurized chamber.

[0011]

Next, an example of the present invention will be described with reference to the drawings. As shown in FIG. 1, the air mat 1 of the present invention is partitioned into a cylindrical chamber 2 which can independently change the pressure, and the chamber 2 is positioned so as to be orthogonal to a patient lying on the mat. The decompressed chamber 2a is sequentially moved at a fixed interval from the patient's foot to the neck.

This movement stops immediately before the neck position, and the lower chamber is sequentially depressurized again. Therefore, the mark 1 is marked on the mat 1 so that the position of the patient's neck can be specified.
(In this example, a colored striped pattern) is provided.
In this example, the decompressed chamber 2b also moves from the head to the neck.

The mat 1 has a length of 200 cm, a width of 100 cm, and a thickness of 10 cm. The chamber 2 partitioned by a partition has a rectangular column shape having a cross section of 4 cm and a thickness of 10 cm. Each chamber 2 is connected to an external pressurizing device by a pipe 4. The pressurizing device is an electric pump that compresses air,
A primary pressurized chamber for storing the compressed and pressurized air;
It consists of a secondary pressurizing chamber that can pressurize and decompress each individual.

The secondary pressurizing chamber and each pipe 4 are connected, and the decompressed chamber 2a moves toward the neck every 20 to 60 minutes, and the movement from the step to the neck is completed in about 5 hours. Then, the movement of the decompressed chamber 2a is resumed from the foot to the neck again. In the head, the decompressed chamber 2b
Are set so as to be about 20 minutes apart.

By using such an air mat, even a long-term bedridden patient is naturally encouraged to return venous blood and lymph, and can spend time without causing rash.

[0016]

According to the present invention, a place where the pressure is lower than the surrounding area is formed on a mat laid on the body of a long-term bedridden patient, the whole body fluid of the patient flows into the place, and the place is moved according to the mechanism of body fluid circulation. It is like that. As described above, the present invention does not aim to improve the conventional "increase / decrease of pressure", but an incomplete system of the human body in which interstitial fluid flows in from the surroundings and is collected. While
It enables the patient to recreate the condition one step closer than before, and the pressure-free area moves to actively encourage the return of the patient's bodily fluids. It has the effect of effectively improving "maintaining poor infiltration of bodily fluids", which is considered to be a rather fundamental cause of serious physical lesions.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing a use state of an example of the present invention.

[Explanation of symbols]

 1 mat 2 chamber 2a, 2b decompressed chamber 3 mark 4 pipe

Claims (4)

[Claims] 1. An air mat which can be inflated and contracted by a change in air pressure, the air mat being partitioned into a cylindrical chamber capable of independently changing pressure, the chamber being positioned so as to be orthogonal to a patient lying on the mat. And the decompressed chamber
An air mat for medical use, wherein the air mat moves sequentially at regular intervals from a patient's foot to a neck. 2. The cylindrical chamber has a width of 2.5 to 6 cm, a thickness of 4 to 20 cm, and a moving decompression portion has a width of 2.5 to 12 cm.
2. The air mat of claim 1 in cm. 3. The air mat according to claim 1, wherein the decompressed chamber moves at regular intervals from the head side of the patient to the neck. 4. The mat according to any one of claims 1 to 3, wherein the decompressed chamber is at least 2 cm lower than the thickness of the non-depressurized chamber.